clippy appeasement

ical-rs overhaul

.github/workflows/docker-publish.yml

@@ -2,7 +2,10 @@ name: Docker
 
 on:
   push:
-    branches: ["main"]
+    branches:
+      - main
+      - dev
+      - feat/*
   release:
     types: ["published"]
 
@@ -45,7 +48,8 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            type=ref,event=branch
+            ${{ github.ref_name == 'main' && 'type=ref,event=branch' || '' }}
+            type=ref,event=branch,prefix=br-
             type=ref,event=pr
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}

.gitignore

@@ -16,3 +16,5 @@ site
 # Frontend
 **/node_modules
 **/.vite
+
+**/*.snap.new

.sqlx/query-146e23ae4e0eaae4d65ac7563c67d4f295ccc2534dcc4b3bd710de773ed137f9.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "DELETE FROM calendarobjectchangelog WHERE (principal, cal_id, object_id) = (?, ?, ?);",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 3
+    },
+    "nullable": []
+  },
+  "hash": "146e23ae4e0eaae4d65ac7563c67d4f295ccc2534dcc4b3bd710de773ed137f9"
+}

.sqlx/query-354decac84758c88280f60fbf0f93dddc6c7ff92ac7b8ba44049d31df3c680e3.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE calendarobjects SET ics = ? WHERE (principal, cal_id, id) = (?, ?, ?);",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 4
+    },
+    "nullable": []
+  },
+  "hash": "354decac84758c88280f60fbf0f93dddc6c7ff92ac7b8ba44049d31df3c680e3"
+}

.sqlx/query-bdaa4bee8b01d0e3773e34672ed4805d1e71d24888f2227045afd90bf080fc23.json

@@ -0,0 +1,38 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT principal, cal_id, id, ics FROM calendarobjects WHERE ics LIKE '%VERSION:4.0%';",
+  "describe": {
+    "columns": [
+      {
+        "name": "principal",
+        "ordinal": 0,
+        "type_info": "Text"
+      },
+      {
+        "name": "cal_id",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "id",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "ics",
+        "ordinal": 3,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "bdaa4bee8b01d0e3773e34672ed4805d1e71d24888f2227045afd90bf080fc23"
+}

Cargo.toml

@@ -2,7 +2,7 @@
 members = ["crates/*"]
 
 [workspace.package]
-version = "0.11.9"
+version = "0.12.0"
 rust-version = "1.92"
 edition = "2024"
 description = "A CalDAV server"
@@ -73,7 +73,7 @@ tokio = { version = "1.48", features = [
 url = "2.5"
 base64 = "0.22"
 thiserror = "2.0"
-quick-xml = { version = "0.38" }
+quick-xml = { version = "0.39" }
 rust-embed = "8.9"
 tower-sessions = "0.14"
 futures-core = "0.3"
@@ -107,7 +107,7 @@ strum = "0.27"
 strum_macros = "0.27"
 serde_json = { version = "1.0", features = ["raw_value"] }
 sqlx-sqlite = { version = "0.8", features = ["bundled"] }
-ical = { git = "https://github.com/lennart-k/ical-rs", features = [
+ical = { git = "https://github.com/lennart-k/ical-rs", rev = "f1ad6456fd6cbd1e6da095297febddd2cfe61422", features = [
   "chrono-tz",
 ] }
 toml = "0.9"
@@ -153,6 +153,7 @@ criterion = { version = "0.8", features = ["async_tokio"] }
 rstest.workspace = true
 rustical_store_sqlite = { workspace = true, features = ["test"] }
 insta.workspace = true
+similar-asserts.workspace = true
 
 [dependencies]
 rustical_store.workspace = true
@@ -160,6 +161,7 @@ rustical_store_sqlite.workspace = true
 rustical_caldav.workspace = true
 rustical_carddav.workspace = true
 rustical_frontend.workspace = true
+ical.workspace = true
 toml.workspace = true
 serde.workspace = true
 tokio.workspace = true

Dockerfile

@@ -36,7 +36,7 @@ COPY --from=planner /rustical/recipe.json recipe.json
 RUN cargo chef cook --release --target "$(cat /tmp/rust_target)"
 
 COPY . .
-RUN cargo install --target "$(cat /tmp/rust_target)" --path .
+RUN cargo install --locked --target "$(cat /tmp/rust_target)" --path .
 
 FROM scratch
 COPY --from=builder /usr/local/cargo/bin/rustical /usr/local/bin/rustical

crates/caldav/src/calendar/methods/get.rs

@@ -5,13 +5,11 @@ use axum::extract::State;
 use axum::{extract::Path, response::Response};
 use headers::{ContentType, HeaderMapExt};
 use http::{HeaderValue, Method, StatusCode, header};
-use ical::builder::calendar::IcalCalendarBuilder;
+use ical::component::IcalCalendar;
 use ical::generator::Emitter;
-use ical::property::Property;
+use ical::property::ContentLine;
 use percent_encoding::{CONTROLS, utf8_percent_encode};
-use rustical_ical::{CalendarObjectComponent, EventObject};
 use rustical_store::{CalendarStore, SubscriptionStore, auth::Principal};
-use std::collections::HashMap;
 use std::str::FromStr;
 use tracing::instrument;
 
@@ -33,60 +31,45 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
         return Err(crate::Error::Unauthorized);
     }
 
-    let mut vtimezones = HashMap::new();
-    let objects = cal_store.get_objects(&principal, &calendar_id).await?;
+    let objects = cal_store
+        .get_objects(&principal, &calendar_id)
+        .await?
+        .into_iter()
+        .map(|(_, object)| object.into())
+        .collect();
+
+    let mut props = vec![];
 
-    let mut ical_calendar_builder = IcalCalendarBuilder::version("2.0")
-        .gregorian()
-        .prodid("RustiCal");
     if let Some(displayname) = calendar.meta.displayname {
-        ical_calendar_builder = ical_calendar_builder.set(Property {
+        props.push(ContentLine {
             name: "X-WR-CALNAME".to_owned(),
             value: Some(displayname),
-            params: vec![],
+            params: vec![].into(),
         });
     }
     if let Some(description) = calendar.meta.description {
-        ical_calendar_builder = ical_calendar_builder.set(Property {
+        props.push(ContentLine {
             name: "X-WR-CALDESC".to_owned(),
             value: Some(description),
-            params: vec![],
+            params: vec![].into(),
+        });
+    }
+    if let Some(color) = calendar.meta.color {
+        props.push(ContentLine {
+            name: "X-WR-CALCOLOR".to_owned(),
+            value: Some(color),
+            params: vec![].into(),
         });
     }
     if let Some(timezone_id) = calendar.timezone_id {
-        ical_calendar_builder = ical_calendar_builder.set(Property {
+        props.push(ContentLine {
             name: "X-WR-TIMEZONE".to_owned(),
             value: Some(timezone_id),
-            params: vec![],
+            params: vec![].into(),
         });
     }
 
-    for object in &objects {
-        vtimezones.extend(object.get_vtimezones());
-        match object.get_data() {
-            CalendarObjectComponent::Event(EventObject { event, .. }, overrides) => {
-                ical_calendar_builder = ical_calendar_builder
-                    .add_event(event.clone())
-                    .add_events(overrides.iter().map(|ev| ev.event.clone()));
-            }
-            CalendarObjectComponent::Todo(todo, overrides) => {
-                ical_calendar_builder = ical_calendar_builder
-                    .add_todo(todo.clone())
-                    .add_todos(overrides.iter().cloned());
-            }
-            CalendarObjectComponent::Journal(journal, overrides) => {
-                ical_calendar_builder = ical_calendar_builder
-                    .add_journal(journal.clone())
-                    .add_journals(overrides.iter().cloned());
-            }
-        }
-    }
-
-    ical_calendar_builder = ical_calendar_builder.add_timezones(vtimezones.into_values().cloned());
-
-    let ical_calendar = ical_calendar_builder
-        .build()
-        .map_err(|parser_error| Error::IcalError(parser_error.into()))?;
+    let export_calendar = IcalCalendar::from_objects("RustiCal Export".to_owned(), objects, props);
 
     let mut resp = Response::builder().status(StatusCode::OK);
     let hdrs = resp.headers_mut().unwrap();
@@ -104,6 +87,6 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
     if matches!(method, Method::HEAD) {
         Ok(resp.body(Body::empty()).unwrap())
     } else {
-        Ok(resp.body(Body::new(ical_calendar.generate())).unwrap())
+        Ok(resp.body(Body::new(export_calendar.generate())).unwrap())
     }
 }

crates/caldav/src/calendar/methods/import.rs

@@ -5,16 +5,12 @@ use axum::{
     response::{IntoResponse, Response},
 };
 use http::StatusCode;
-use ical::{
-    generator::Emitter,
-    parser::{Component, ComponentMut},
-};
+use ical::parser::{Component, ComponentMut};
 use rustical_dav::header::Overwrite;
-use rustical_ical::{CalendarObject, CalendarObjectType};
+use rustical_ical::CalendarObjectType;
 use rustical_store::{
     Calendar, CalendarMetadata, CalendarStore, SubscriptionStore, auth::Principal,
 };
-use std::io::BufReader;
 use tracing::instrument;
 
 #[instrument(skip(resource_service))]
@@ -29,18 +25,11 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
         return Err(Error::Unauthorized);
     }
 
-    let mut parser = ical::IcalParser::new(BufReader::new(body.as_bytes()));
-    let mut cal = parser
-        .next()
-        .expect("input must contain calendar")
-        .unwrap()
-        .mutable();
-    if parser.next().is_some() {
-        return Err(rustical_ical::Error::InvalidData(
-            "multiple calendars, only one allowed".to_owned(),
-        )
-        .into());
-    }
+    let parser = ical::IcalParser::from_slice(body.as_bytes());
+    let mut cal = match parser.expect_one() {
+        Ok(cal) => cal.mutable(),
+        Err(err) => return Ok((StatusCode::BAD_REQUEST, err.to_string()).into_response()),
+    };
 
     // Extract calendar metadata
     let displayname = cal
@@ -49,14 +38,19 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
     let description = cal
         .get_property("X-WR-CALDESC")
         .and_then(|prop| prop.value.clone());
+    let color = cal
+        .get_property("X-WR-CALCOLOR")
+        .and_then(|prop| prop.value.clone());
     let timezone_id = cal
         .get_property("X-WR-TIMEZONE")
         .and_then(|prop| prop.value.clone());
     // These properties should not appear in the expanded calendar objects
     cal.remove_property("X-WR-CALNAME");
     cal.remove_property("X-WR-CALDESC");
+    cal.remove_property("X-WR-CALCOLOR");
     cal.remove_property("X-WR-TIMEZONE");
-    let cal = cal.verify().unwrap();
+    let cal = cal.build(None).unwrap();
+
     // Make sure timezone is valid
     if let Some(timezone_id) = timezone_id.as_ref() {
         assert!(
@@ -64,8 +58,7 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
             "Invalid calendar timezone id"
         );
     }
-
-    // Extract necessary component types
+    // // Extract necessary component types
     let mut cal_components = vec![];
     if !cal.events.is_empty() {
         cal_components.push(CalendarObjectType::Event);
@@ -77,13 +70,10 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
         cal_components.push(CalendarObjectType::Todo);
     }
 
-    let expanded_cals = cal.expand_calendar();
-    // Janky way to convert between IcalCalendar and CalendarObject
-    let objects = expanded_cals
-        .into_iter()
-        .map(|cal| cal.generate())
-        .map(|ics| CalendarObject::from_ics(ics, None))
-        .collect::<Result<Vec<_>, _>>()?;
+    let objects = match cal.into_objects() {
+        Ok(objects) => objects.into_iter().map(Into::into).collect(),
+        Err(err) => return Ok((StatusCode::BAD_REQUEST, err.to_string()).into_response()),
+    };
     let new_cal = Calendar {
         principal,
         id: cal_id,
@@ -91,7 +81,7 @@ pub async fn route_import<C: CalendarStore, S: SubscriptionStore>(
             displayname,
             order: 0,
             description,
-            color: None,
+            color,
         },
         timezone_id,
         deleted_at: None,

crates/caldav/src/calendar/methods/mkcalendar.rs

@@ -1,6 +1,9 @@
+use std::str::FromStr;
+
 use crate::Error;
 use crate::calendar::CalendarResourceService;
 use crate::calendar::prop::SupportedCalendarComponentSet;
+use crate::error::Precondition;
 use axum::extract::{Path, State};
 use axum::response::{IntoResponse, Response};
 use http::{Method, StatusCode};
@@ -84,20 +87,33 @@ pub async fn route_mkcalendar<C: CalendarStore, S: SubscriptionStore>(
     }
 
     let timezone_id = if let Some(tzid) = request.calendar_timezone_id {
+        if chrono_tz::Tz::from_str(&tzid).is_err() {
+            return Err(Error::PreconditionFailed(Precondition::CalendarTimezone(
+                "Invalid timezone ID in calendar-timezone-id",
+            )));
+        }
         Some(tzid)
     } else if let Some(tz) = request.calendar_timezone {
-        // TODO: Proper error (calendar-timezone precondition)
-        let calendar = IcalParser::new(tz.as_bytes())
+        let calendar = IcalParser::from_slice(tz.as_bytes())
             .next()
-            .ok_or_else(|| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?
-            .map_err(|_| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?;
+            .ok_or(Error::PreconditionFailed(Precondition::CalendarTimezone(
+                "No timezone data provided",
+            )))?
+            .map_err(|_| {
+                Error::PreconditionFailed(Precondition::CalendarTimezone("Error parsing timezone"))
+            })?;
 
-        let timezone = calendar.timezones.first().ok_or_else(|| {
-            rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
-        })?;
-        let timezone: chrono_tz::Tz = timezone
-            .try_into()
-            .map_err(|_| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?;
+        let timezone = calendar
+            .vtimezones
+            .values()
+            .next()
+            .ok_or(Error::PreconditionFailed(Precondition::CalendarTimezone(
+                "No timezone data provided",
+            )))?;
+        let timezone: Option<chrono_tz::Tz> = timezone.into();
+        let timezone = timezone.ok_or(Error::PreconditionFailed(
+            Precondition::CalendarTimezone("No timezone data provided"),
+        ))?;
 
         Some(timezone.name().to_owned())
     } else {

crates/caldav/src/calendar/methods/report/calendar_multiget.rs

@@ -21,7 +21,7 @@ pub async fn get_objects_calendar_multiget<C: CalendarStore>(
     principal: &str,
     cal_id: &str,
     store: &C,
-) -> Result<(Vec<CalendarObject>, Vec<String>), Error> {
+) -> Result<(Vec<(String, CalendarObject)>, Vec<String>), Error> {
     let mut result = vec![];
     let mut not_found = vec![];
 
@@ -32,7 +32,7 @@ pub async fn get_objects_calendar_multiget<C: CalendarStore>(
             let filename = filename.trim_start_matches('/');
             if let Some(object_id) = filename.strip_suffix(".ics") {
                 match store.get_object(principal, cal_id, object_id, false).await {
-                    Ok(object) => result.push(object),
+                    Ok(object) => result.push((object_id.to_owned(), object)),
                     Err(rustical_store::Error::NotFound) => not_found.push(href.to_string()),
                     Err(err) => return Err(err.into()),
                 }

crates/caldav/src/calendar/methods/report/calendar_query/comp_filter.rs

@@ -2,8 +2,10 @@ use crate::calendar::methods::report::calendar_query::{
     TimeRangeElement,
     prop_filter::{PropFilterElement, PropFilterable},
 };
-use ical::parser::ical::component::IcalTimeZone;
-use rustical_ical::{CalendarObject, CalendarObjectComponent, CalendarObjectType};
+use ical::{
+    component::{CalendarInnerData, IcalAlarm, IcalCalendarObject, IcalEvent, IcalTodo},
+    parser::{Component, ical::component::IcalTimeZone},
+};
 use rustical_xml::XmlDeserialize;
 
 #[derive(XmlDeserialize, Clone, Debug, PartialEq)]
@@ -68,9 +70,98 @@ pub trait CompFilterable: PropFilterable + Sized {
     }
 }
 
-impl CompFilterable for CalendarObject {
+impl CompFilterable for CalendarInnerData {
     fn get_comp_name(&self) -> &'static str {
-        "VCALENDAR"
+        match self {
+            Self::Event(main, _) => main.get_comp_name(),
+            Self::Journal(main, _) => main.get_comp_name(),
+            Self::Todo(main, _) => main.get_comp_name(),
+        }
+    }
+
+    fn match_time_range(&self, time_range: &TimeRangeElement) -> bool {
+        if let Some(start) = &time_range.start
+            && let Some(last_end) = self.get_last_occurence()
+            && start.to_utc() > last_end.utc()
+        {
+            return false;
+        }
+        if let Some(end) = &time_range.end
+            && let Some(first_start) = self.get_first_occurence()
+            && end.to_utc() < first_start.utc()
+        {
+            return false;
+        }
+        true
+    }
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        match self {
+            Self::Event(main, overrides) => std::iter::once(main)
+                .chain(overrides.iter())
+                .flat_map(IcalEvent::get_alarms)
+                .any(|alarm| alarm.matches(comp_filter)),
+            Self::Todo(main, overrides) => std::iter::once(main)
+                .chain(overrides.iter())
+                .flat_map(IcalTodo::get_alarms)
+                .any(|alarm| alarm.matches(comp_filter)),
+            // VJOURNAL has no subcomponents
+            Self::Journal(_, _) => comp_filter.is_not_defined.is_some(),
+        }
+    }
+}
+
+impl PropFilterable for IcalAlarm {
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a ical::property::ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
+impl CompFilterable for IcalAlarm {
+    fn get_comp_name(&self) -> &'static str {
+        Component::get_comp_name(self)
+    }
+
+    fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
+        true
+    }
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        comp_filter.is_not_defined.is_some()
+    }
+}
+
+impl PropFilterable for CalendarInnerData {
+    #[allow(refining_impl_trait)]
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> Box<dyn Iterator<Item = &'a ical::property::ContentLine> + 'a> {
+        // TODO: If we were pedantic, we would have to do recurrence expansion first
+        // and take into account the overrides :(
+        match self {
+            Self::Event(main, _) => Box::new(main.get_named_properties(name)),
+            Self::Todo(main, _) => Box::new(main.get_named_properties(name)),
+            Self::Journal(main, _) => Box::new(main.get_named_properties(name)),
+        }
+    }
+}
+
+impl PropFilterable for IcalCalendarObject {
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a ical::property::ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
+impl CompFilterable for IcalCalendarObject {
+    fn get_comp_name(&self) -> &'static str {
+        Component::get_comp_name(self)
     }
 
     fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
@@ -83,54 +174,36 @@ impl CompFilterable for CalendarObject {
             .get_vtimezones()
             .values()
             .map(|tz| tz.matches(comp_filter))
-            .chain([self.get_data().matches(comp_filter)]);
+            .chain([self.get_inner().matches(comp_filter)]);
 
         if comp_filter.is_not_defined.is_some() {
-            matches.all(|x| x)
+            matches.all(|x| !x)
         } else {
             matches.any(|x| x)
         }
     }
 }
 
+impl PropFilterable for IcalTimeZone {
+    fn get_named_properties<'a>(
+        &'a self,
+        name: &'a str,
+    ) -> impl Iterator<Item = &'a ical::property::ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
 impl CompFilterable for IcalTimeZone {
     fn get_comp_name(&self) -> &'static str {
-        "VTIMEZONE"
+        Component::get_comp_name(self)
     }
-
     fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
         false
     }
 
-    fn match_subcomponents(&self, _comp_filter: &CompFilterElement) -> bool {
-        true
-    }
-}
-
-impl CompFilterable for CalendarObjectComponent {
-    fn get_comp_name(&self) -> &'static str {
-        CalendarObjectType::from(self).as_str()
-    }
-
-    fn match_time_range(&self, time_range: &TimeRangeElement) -> bool {
-        if let Some(start) = &time_range.start
-            && let Some(last_occurence) = self.get_last_occurence().unwrap_or(None)
-            && **start > last_occurence.utc()
-        {
-            return false;
-        }
-        if let Some(end) = &time_range.end
-            && let Some(first_occurence) = self.get_first_occurence().unwrap_or(None)
-            && **end < first_occurence.utc()
-        {
-            return false;
-        }
-        true
-    }
-
-    fn match_subcomponents(&self, _comp_filter: &CompFilterElement) -> bool {
-        // TODO: Properly check subcomponents
-        true
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        // VTIMEZONE has no subcomponents
+        comp_filter.is_not_defined.is_some()
     }
 }
 
@@ -147,6 +220,7 @@ mod tests {
     const ICS: &str = r"BEGIN:VCALENDAR
 CALSCALE:GREGORIAN
 VERSION:2.0
+PRODID:me
 BEGIN:VTIMEZONE
 TZID:Europe/Berlin
 X-LIC-LOCATION:Europe/Berlin
@@ -166,7 +240,7 @@ END:VCALENDAR";
 
     #[test]
     fn test_comp_filter_matching() {
-        let object = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();
 
         let comp_filter = CompFilterElement {
             is_not_defined: Some(()),
@@ -175,7 +249,10 @@ END:VCALENDAR";
             prop_filter: vec![],
             comp_filter: vec![],
         };
-        assert!(!object.matches(&comp_filter), "filter: wants no VCALENDAR");
+        assert!(
+            !object.get_inner().matches(&comp_filter),
+            "filter: wants no VCALENDAR"
+        );
 
         let comp_filter = CompFilterElement {
             is_not_defined: None,
@@ -190,7 +267,10 @@ END:VCALENDAR";
                 comp_filter: vec![],
             }],
         };
-        assert!(!object.matches(&comp_filter), "filter matches VTODO");
+        assert!(
+            !object.get_inner().matches(&comp_filter),
+            "filter matches VTODO"
+        );
 
         let comp_filter = CompFilterElement {
             is_not_defined: None,
@@ -205,7 +285,10 @@ END:VCALENDAR";
                 comp_filter: vec![],
             }],
         };
-        assert!(object.matches(&comp_filter), "filter matches VEVENT");
+        assert!(
+            object.get_inner().matches(&comp_filter),
+            "filter matches VEVENT"
+        );
 
         let comp_filter = CompFilterElement {
             is_not_defined: None,
@@ -252,13 +335,13 @@ END:VCALENDAR";
             }],
         };
         assert!(
-            object.matches(&comp_filter),
+            object.get_inner().matches(&comp_filter),
             "Some prop filters on VCALENDAR and VEVENT"
         );
     }
     #[test]
     fn test_comp_filter_time_range() {
-        let object = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();
 
         let comp_filter = CompFilterElement {
             is_not_defined: None,
@@ -281,7 +364,7 @@ END:VCALENDAR";
             }],
         };
         assert!(
-            object.matches(&comp_filter),
+            object.get_inner().matches(&comp_filter),
             "event should lie in time range"
         );
 
@@ -306,14 +389,14 @@ END:VCALENDAR";
             }],
         };
         assert!(
-            !object.matches(&comp_filter),
+            !object.get_inner().matches(&comp_filter),
             "event should not lie in time range"
         );
     }
 
     #[test]
     fn test_match_timezone() {
-        let object = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();
 
         let comp_filter = CompFilterElement {
             is_not_defined: None,
@@ -340,7 +423,7 @@ END:VCALENDAR";
             }],
         };
         assert!(
-            object.matches(&comp_filter),
+            object.get_inner().matches(&comp_filter),
             "Timezone should be Europe/Berlin"
         );
     }

crates/caldav/src/calendar/methods/report/calendar_query/elements.rs

@@ -1,8 +1,8 @@
 use super::comp_filter::{CompFilterElement, CompFilterable};
 use crate::calendar_object::CalendarObjectPropWrapperName;
-use ical::property::Property;
+use ical::{component::IcalCalendarObject, property::ContentLine};
 use rustical_dav::xml::{PropfindType, TextMatchElement};
-use rustical_ical::{CalendarObject, UtcDateTime};
+use rustical_ical::UtcDateTime;
 use rustical_store::calendar_store::CalendarQuery;
 use rustical_xml::{XmlDeserialize, XmlRootTag};
 
@@ -30,8 +30,8 @@ pub struct ParamFilterElement {
 
 impl ParamFilterElement {
     #[must_use]
-    pub fn match_property(&self, prop: &Property) -> bool {
-        let Some(param) = prop.get_param(&self.name) else {
+    pub fn match_property(&self, prop: &ContentLine) -> bool {
+        let Some(param) = prop.params.get_param(&self.name) else {
             return self.is_not_defined.is_some();
         };
         if self.is_not_defined.is_some() {
@@ -57,7 +57,7 @@ pub struct FilterElement {
 
 impl FilterElement {
     #[must_use]
-    pub fn matches(&self, cal_object: &CalendarObject) -> bool {
+    pub fn matches(&self, cal_object: &IcalCalendarObject) -> bool {
         cal_object.matches(&self.comp_filter)
     }
 }

crates/caldav/src/calendar/methods/report/calendar_query/mod.rs

@@ -11,19 +11,19 @@ mod tests;
 pub use comp_filter::{CompFilterElement, CompFilterable};
 pub use elements::*;
 #[allow(unused_imports)]
-pub use prop_filter::{PropFilterElement, PropFilterable};
+pub use prop_filter::PropFilterElement;
 
 pub async fn get_objects_calendar_query<C: CalendarStore>(
     cal_query: &CalendarQueryRequest,
     principal: &str,
     cal_id: &str,
     store: &C,
-) -> Result<Vec<CalendarObject>, Error> {
+) -> Result<Vec<(String, CalendarObject)>, Error> {
     let mut objects = store
         .calendar_query(principal, cal_id, cal_query.into())
         .await?;
     if let Some(filter) = &cal_query.filter {
-        objects.retain(|object| filter.matches(object));
+        objects.retain(|(_id, object)| filter.matches(object.get_inner()));
     }
     Ok(objects)
 }

crates/caldav/src/calendar/methods/report/calendar_query/prop_filter.rs

@@ -1,16 +1,8 @@
 use super::{ParamFilterElement, TimeRangeElement};
-use ical::{
-    generator::{IcalCalendar, IcalEvent},
-    parser::{
-        Component,
-        ical::component::{IcalJournal, IcalTimeZone, IcalTodo},
-    },
-    property::Property,
-};
+use ical::{property::ContentLine, types::CalDateTime};
 use rustical_dav::xml::TextMatchElement;
-use rustical_ical::{CalDateTime, CalendarObject, CalendarObjectComponent, UtcDateTime};
+use rustical_ical::UtcDateTime;
 use rustical_xml::XmlDeserialize;
-use std::collections::HashMap;
 
 #[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 #[allow(dead_code)]
@@ -29,12 +21,16 @@ pub struct PropFilterElement {
     pub(crate) name: String,
 }
 
+pub trait PropFilterable {
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine>;
+}
+
 impl PropFilterElement {
     #[must_use]
-    pub fn match_property(&self, property: &Property) -> bool {
+    pub fn match_property(&self, property: &ContentLine) -> bool {
         if let Some(TimeRangeElement { start, end }) = &self.time_range {
             // TODO: Respect timezones
-            let Ok(timestamp) = CalDateTime::parse_prop(property, &HashMap::default()) else {
+            let Ok(timestamp) = CalDateTime::parse_prop(property, None) else {
                 return false;
             };
             let timestamp = timestamp.utc();
@@ -69,63 +65,13 @@ impl PropFilterElement {
     }
 
     pub fn match_component(&self, comp: &impl PropFilterable) -> bool {
-        let properties = comp.get_named_properties(&self.name);
+        let mut properties = comp.get_named_properties(&self.name);
         if self.is_not_defined.is_some() {
-            return properties.is_empty();
+            return properties.next().is_none();
         }
 
         // The filter matches when one property instance matches
         // Example where this matters: We have multiple attendees and want to match one
-        properties.iter().any(|prop| self.match_property(prop))
-    }
-}
-
-pub trait PropFilterable {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property>;
-}
-
-impl PropFilterable for CalendarObject {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Self::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalEvent {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalTodo {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalJournal {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalCalendar {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for IcalTimeZone {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        Component::get_named_properties(self, name)
-    }
-}
-
-impl PropFilterable for CalendarObjectComponent {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        match self {
-            Self::Event(event, _) => PropFilterable::get_named_properties(&event.event, name),
-            Self::Todo(todo, _) => PropFilterable::get_named_properties(todo, name),
-            Self::Journal(journal, _) => PropFilterable::get_named_properties(journal, name),
-        }
+        properties.any(|prop| self.match_property(prop))
     }
 }

crates/caldav/src/calendar/methods/report/calendar_query/tests.rs

@@ -77,7 +77,7 @@ const FILTER_2: &str = r#"
 #[case(ICS_1, FILTER_1, true)]
 #[case(ICS_1, FILTER_2, false)]
 fn yeet(#[case] ics: &str, #[case] filter: &str, #[case] matches: bool) {
-    let obj = CalendarObject::from_ics(ics.to_owned(), None).unwrap();
+    let obj = CalendarObject::from_ics(ics.to_owned()).unwrap();
     let filter = FilterElement::parse_str(filter).unwrap();
-    assert_eq!(matches, filter.matches(&obj));
+    assert_eq!(matches, filter.matches(obj.get_inner()));
 }

crates/caldav/src/calendar/methods/report/mod.rs

@@ -51,7 +51,7 @@ impl ReportRequest {
 }
 
 fn objects_response(
-    objects: Vec<CalendarObject>,
+    objects: Vec<(String, CalendarObject)>,
     not_found: Vec<String>,
     path: &str,
     principal: &str,
@@ -60,11 +60,12 @@ fn objects_response(
     prop: &PropfindType<CalendarObjectPropWrapperName>,
 ) -> Result<MultistatusElement<CalendarObjectPropWrapper, String>, Error> {
     let mut responses = Vec::new();
-    for object in objects {
-        let path = format!("{}/{}.ics", path, object.get_id());
+    for (object_id, object) in objects {
+        let path = format!("{path}/{object_id}.ics");
         responses.push(
             CalendarObjectResource {
                 object,
+                object_id,
                 principal: principal.to_owned(),
             }
             .propfind(&path, prop, None, puri, user)?,
@@ -174,7 +175,7 @@ mod tests {
                 prop: rustical_dav::xml::PropfindType::Prop(PropElement(vec![
                     CalendarObjectPropWrapperName::CalendarObject(CalendarObjectPropName::Getetag),
                     CalendarObjectPropWrapperName::CalendarObject(CalendarObjectPropName::CalendarData(
-                        CalendarData { comp: None, expand: Some(ExpandElement {
+                        CalendarData { comp: None, prop: None, expand: Some(ExpandElement {
                         start: <UtcDateTime as ValueDeserialize>::deserialize("20250426T220000Z").unwrap(),
                         end: <UtcDateTime as ValueDeserialize>::deserialize("20250503T220000Z").unwrap(),
                     }), limit_recurrence_set: None, limit_freebusy_set: None }

crates/caldav/src/calendar/methods/report/sync_collection.rs

@@ -32,11 +32,12 @@ pub async fn handle_sync_collection<C: CalendarStore>(
         .await?;
 
     let mut responses = Vec::new();
-    for object in new_objects {
-        let path = format!("{}/{}.ics", path, object.get_id());
+    for (object_id, object) in new_objects {
+        let path = format!("{}/{}.ics", path, &object_id);
         responses.push(
             CalendarObjectResource {
                 object,
+                object_id,
                 principal: principal.to_owned(),
             }
             .propfind(&path, &sync_collection.prop, None, puri, user)?,

crates/caldav/src/calendar/resource.rs

@@ -4,6 +4,7 @@ use crate::calendar::prop::{ReportMethod, SupportedCollationSet};
 use chrono::{DateTime, Utc};
 use derive_more::derive::{From, Into};
 use ical::IcalParser;
+use ical::types::CalDateTime;
 use rustical_dav::extensions::{
     CommonPropertiesExtension, CommonPropertiesProp, SyncTokenExtension, SyncTokenExtensionProp,
 };
@@ -11,7 +12,6 @@ use rustical_dav::privileges::UserPrivilegeSet;
 use rustical_dav::resource::{PrincipalUri, Resource, ResourceName};
 use rustical_dav::xml::{HrefElement, Resourcetype, ResourcetypeInner, SupportedReportSet};
 use rustical_dav_push::{DavPushExtension, DavPushExtensionProp};
-use rustical_ical::CalDateTime;
 use rustical_store::Calendar;
 use rustical_store::auth::Principal;
 use rustical_xml::{EnumVariants, PropName};
@@ -42,7 +42,7 @@ pub enum CalendarProp {
     SupportedCalendarData(SupportedCalendarData),
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV", skip_deserializing)]
     SupportedCollationSet(SupportedCollationSet),
-    #[xml(ns = "rustical_dav::namespace::NS_DAV")]
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     MaxResourceSize(i64),
     #[xml(skip_deserializing)]
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]
@@ -202,7 +202,7 @@ impl Resource for CalendarResource {
                 CalendarProp::CalendarTimezone(timezone) => {
                     if let Some(tz) = timezone {
                         // TODO: Proper error (calendar-timezone precondition)
-                        let calendar = IcalParser::new(tz.as_bytes())
+                        let calendar = IcalParser::from_slice(tz.as_bytes())
                             .next()
                             .ok_or_else(|| {
                                 rustical_dav::Error::BadRequest(
@@ -215,13 +215,13 @@ impl Resource for CalendarResource {
                                 )
                             })?;
 
-                        let timezone = calendar.timezones.first().ok_or_else(|| {
+                        let timezone = calendar.vtimezones.values().next().ok_or_else(|| {
                             rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
                         })?;
-                        let timezone: chrono_tz::Tz = timezone.try_into().map_err(|_| {
+                        let timezone: Option<chrono_tz::Tz> = timezone.into();
+                        let timezone = timezone.ok_or_else(|| {
                             rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
                         })?;
-
                         self.cal.timezone_id = Some(timezone.name().to_owned());
                     }
                     Ok(())

crates/caldav/src/calendar/service.rs

@@ -78,8 +78,9 @@ impl<C: CalendarStore, S: SubscriptionStore> ResourceService for CalendarResourc
             .get_objects(principal, cal_id)
             .await?
             .into_iter()
-            .map(|object| CalendarObjectResource {
+            .map(|(object_id, object)| CalendarObjectResource {
                 object,
+                object_id,
                 principal: principal.to_owned(),
             })
             .collect())
@@ -91,7 +92,7 @@ impl<C: CalendarStore, S: SubscriptionStore> ResourceService for CalendarResourc
         file: Self::Resource,
     ) -> Result<(), Self::Error> {
         self.cal_store
-            .update_calendar(principal.to_owned(), cal_id.to_owned(), file.into())
+            .update_calendar(principal, cal_id, file.into())
             .await?;
         Ok(())
     }

crates/caldav/src/calendar/snapshots/rustical_caldav__calendar__tests__propfind-2.snap

@@ -135,7 +135,7 @@ END:VCALENDAR
                 <supported-collation xmlns="urn:ietf:params:xml:ns:caldav">i;unicode-casemap</supported-collation>
                 <supported-collation xmlns="urn:ietf:params:xml:ns:caldav">i;octet</supported-collation>
             </supported-collation-set>
-            <max-resource-size xmlns="DAV:">10000000</max-resource-size>
+            <max-resource-size xmlns="urn:ietf:params:xml:ns:caldav">10000000</max-resource-size>
             <supported-report-set xmlns="DAV:">
                 <supported-report xmlns="DAV:">
                     <report xmlns="DAV:">

crates/caldav/src/calendar/snapshots/rustical_caldav__calendar__tests__propfind.snap

@@ -16,7 +16,7 @@ expression: output
             <supported-calendar-component-set xmlns="urn:ietf:params:xml:ns:caldav"/>
             <supported-calendar-data xmlns="urn:ietf:params:xml:ns:caldav"/>
             <supported-collation-set xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <max-resource-size xmlns="DAV:"/>
+            <max-resource-size xmlns="urn:ietf:params:xml:ns:caldav"/>
             <supported-report-set xmlns="DAV:"/>
             <source xmlns="http://calendarserver.org/ns/"/>
             <min-date-time xmlns="urn:ietf:params:xml:ns:caldav"/>

crates/caldav/src/calendar_object/methods.rs

@@ -6,12 +6,12 @@ use axum::extract::{Path, State};
 use axum::response::{IntoResponse, Response};
 use axum_extra::TypedHeader;
 use headers::{ContentType, ETag, HeaderMapExt, IfNoneMatch};
-use http::{HeaderMap, Method, StatusCode};
+use http::{HeaderMap, HeaderValue, Method, StatusCode};
 use rustical_ical::CalendarObject;
 use rustical_store::CalendarStore;
 use rustical_store::auth::Principal;
 use std::str::FromStr;
-use tracing::{debug, instrument};
+use tracing::{instrument, warn};
 
 #[instrument(skip(cal_store))]
 pub async fn get_event<C: CalendarStore>(
@@ -73,18 +73,44 @@ pub async fn put_event<C: CalendarStore>(
     }
 
     let overwrite = if let Some(TypedHeader(if_none_match)) = if_none_match {
-        if_none_match == IfNoneMatch::any()
+        // TODO: Put into transaction?
+        let existing = match cal_store
+            .get_object(&principal, &calendar_id, &object_id, false)
+            .await
+        {
+            Ok(existing) => Some(existing),
+            Err(rustical_store::Error::NotFound) => None,
+            Err(err) => Err(err)?,
+        };
+        existing.is_none_or(|existing| {
+            if_none_match.precondition_passes(
+                &existing
+                    .get_etag()
+                    .parse()
+                    .expect("We only generate valid ETags"),
+            )
+        })
     } else {
         true
     };
 
-    let Ok(object) = CalendarObject::from_ics(body.clone(), Some(object_id)) else {
-        debug!("invalid calendar data:\n{body}");
-        return Err(Error::PreconditionFailed(Precondition::ValidCalendarData));
+    let object = match CalendarObject::from_ics(body.clone()) {
+        Ok(object) => object,
+        Err(err) => {
+            warn!("invalid calendar data:\n{body}");
+            warn!("{err}");
+            return Err(Error::PreconditionFailed(Precondition::ValidCalendarData));
+        }
     };
+    let etag = object.get_etag();
     cal_store
-        .put_object(principal, calendar_id, object, overwrite)
+        .put_object(&principal, &calendar_id, &object_id, object, overwrite)
         .await?;
 
-    Ok(StatusCode::CREATED.into_response())
+    let mut headers = HeaderMap::new();
+    headers.insert(
+        "ETag",
+        HeaderValue::from_str(&etag).expect("Contains no invalid characters"),
+    );
+    Ok((StatusCode::CREATED, headers).into_response())
 }

crates/caldav/src/calendar_object/prop.rs

@@ -1,6 +1,6 @@
 use rustical_dav::extensions::CommonPropertiesProp;
 use rustical_ical::UtcDateTime;
-use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
+use rustical_xml::{EnumVariants, PropName, Unparsed, XmlDeserialize, XmlSerialize};
 
 #[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "CalendarObjectPropName")]
@@ -35,7 +35,9 @@ pub struct ExpandElement {
 #[derive(XmlDeserialize, Clone, Debug, PartialEq, Default, Eq, Hash)]
 pub struct CalendarData {
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
-    pub(crate) comp: Option<()>,
+    pub(crate) comp: Option<Unparsed>,
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    pub(crate) prop: Option<Unparsed>,
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     pub(crate) expand: Option<ExpandElement>,
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]

crates/caldav/src/calendar_object/resource.rs

@@ -1,11 +1,10 @@
-use std::borrow::Cow;
-
 use super::prop::{
     CalendarData, CalendarObjectProp, CalendarObjectPropName, CalendarObjectPropWrapper,
     CalendarObjectPropWrapperName,
 };
 use crate::Error;
 use derive_more::derive::{From, Into};
+use ical::generator::Emitter;
 use rustical_dav::{
     extensions::CommonPropertiesExtension,
     privileges::UserPrivilegeSet,
@@ -14,16 +13,18 @@ use rustical_dav::{
 };
 use rustical_ical::CalendarObject;
 use rustical_store::auth::Principal;
+use std::borrow::Cow;
 
 #[derive(Clone, From, Into)]
 pub struct CalendarObjectResource {
     pub object: CalendarObject,
+    pub object_id: String,
     pub principal: String,
 }
 
 impl ResourceName for CalendarObjectResource {
     fn get_name(&self) -> Cow<'_, str> {
-        Cow::from(format!("{}.ics", self.object.get_id()))
+        Cow::from(format!("{}.ics", self.object_id))
     }
 }
 
@@ -53,14 +54,18 @@ impl Resource for CalendarObjectResource {
                         CalendarObjectProp::Getetag(self.object.get_etag())
                     }
                     CalendarObjectPropName::CalendarData(CalendarData { expand, .. }) => {
-                        CalendarObjectProp::CalendarData(if let Some(expand) = expand.as_ref() {
-                            self.object.expand_recurrence(
-                                Some(expand.start.to_utc()),
-                                Some(expand.end.to_utc()),
-                            )?
-                        } else {
-                            self.object.get_ics().to_owned()
-                        })
+                        CalendarObjectProp::CalendarData(expand.as_ref().map_or_else(
+                            || self.object.get_ics().to_owned(),
+                            |expand| {
+                                self.object
+                                    .get_inner()
+                                    .expand_recurrence(
+                                        Some(expand.start.to_utc()),
+                                        Some(expand.end.to_utc()),
+                                    )
+                                    .generate()
+                            },
+                        ))
                     }
                     CalendarObjectPropName::Getcontenttype => {
                         CalendarObjectProp::Getcontenttype("text/calendar;charset=utf-8")

crates/caldav/src/calendar_object/service.rs

@@ -66,6 +66,7 @@ impl<C: CalendarStore> ResourceService for CalendarObjectResourceService<C> {
             .await?;
         Ok(CalendarObjectResource {
             object,
+            object_id: object_id.to_owned(),
             principal: principal.to_owned(),
         })
     }

crates/caldav/src/error.rs

@@ -12,6 +12,9 @@ pub enum Precondition {
     #[error("valid-calendar-data")]
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     ValidCalendarData,
+    #[error("calendar-timezone")]
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    CalendarTimezone(&'static str),
 }
 
 impl IntoResponse for Precondition {
@@ -23,7 +26,7 @@ impl IntoResponse for Precondition {
         if let Err(err) = error.serialize_root(&mut writer) {
             return rustical_dav::Error::from(err).into_response();
         }
-        let mut res = Response::builder().status(StatusCode::PRECONDITION_FAILED);
+        let mut res = Response::builder().status(StatusCode::FORBIDDEN);
         res.headers_mut().unwrap().typed_insert(ContentType::xml());
         res.body(Body::from(output)).unwrap()
     }
@@ -52,9 +55,6 @@ pub enum Error {
     #[error(transparent)]
     XmlDecodeError(#[from] rustical_xml::XmlError),
 
-    #[error(transparent)]
-    IcalError(#[from] rustical_ical::Error),
-
     #[error(transparent)]
     PreconditionFailed(Precondition),
 }
@@ -75,18 +75,20 @@ impl Error {
             Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
             Self::ChronoParseError(_) | Self::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
             Self::NotFound => StatusCode::NOT_FOUND,
-            Self::IcalError(err) => err.status_code(),
-            Self::PreconditionFailed(_err) => StatusCode::PRECONDITION_FAILED,
+            // The correct status code for a failed precondition is not PreconditionFailed but
+            // Forbidden (or Conflict):
+            // https://datatracker.ietf.org/doc/html/rfc4791#section-1.3
+            Self::PreconditionFailed(_err) => StatusCode::FORBIDDEN,
         }
     }
 }
 
 impl IntoResponse for Error {
     fn into_response(self) -> axum::response::Response {
-        if matches!(
-            self.status_code(),
-            StatusCode::INTERNAL_SERVER_ERROR | StatusCode::PRECONDITION_FAILED
-        ) {
+        if let Self::PreconditionFailed(precondition) = self {
+            return precondition.into_response();
+        }
+        if matches!(self.status_code(), StatusCode::INTERNAL_SERVER_ERROR) {
             error!("{self}");
         }
         (self.status_code(), self.to_string()).into_response()

crates/carddav/src/address_object/methods.rs

@@ -7,6 +7,7 @@ use axum::extract::{Path, State};
 use axum::response::{IntoResponse, Response};
 use axum_extra::TypedHeader;
 use axum_extra::headers::{ContentType, ETag, HeaderMapExt, IfNoneMatch};
+use http::HeaderValue;
 use http::Method;
 use http::{HeaderMap, StatusCode};
 use rustical_dav::privileges::UserPrivilege;
@@ -81,15 +82,40 @@ pub async fn put_object<AS: AddressbookStore>(
     }
 
     let overwrite = if let Some(TypedHeader(if_none_match)) = if_none_match {
-        if_none_match == IfNoneMatch::any()
+        // TODO: Put into transaction?
+        let existing = match addr_store
+            .get_object(&principal, &addressbook_id, &object_id, false)
+            .await
+        {
+            Ok(existing) => Some(existing),
+            Err(rustical_store::Error::NotFound) => None,
+            Err(err) => Err(err)?,
+        };
+        existing.is_none_or(|existing| {
+            if_none_match.precondition_passes(
+                &existing
+                    .get_etag()
+                    .parse()
+                    .expect("We only generate valid ETags"),
+            )
+        })
     } else {
         true
     };
 
-    let object = AddressObject::from_vcf(object_id, body)?;
+    let object = match AddressObject::from_vcf(body) {
+        Ok(object) => object,
+        Err(err) => return Ok((StatusCode::BAD_REQUEST, err.to_string()).into_response()),
+    };
+    let etag = object.get_etag();
     addr_store
-        .put_object(principal, addressbook_id, object, overwrite)
+        .put_object(&principal, &addressbook_id, &object_id, object, overwrite)
         .await?;
 
-    Ok(StatusCode::CREATED.into_response())
+    let mut headers = HeaderMap::new();
+    headers.insert(
+        "ETag",
+        HeaderValue::from_str(&etag).expect("Contains no invalid characters"),
+    );
+    Ok((StatusCode::CREATED, headers).into_response())
 }

crates/carddav/src/address_object/resource.rs

@@ -8,6 +8,7 @@ use crate::{
     },
 };
 use derive_more::derive::{From, Into};
+use ical::parser::VcardFNProperty;
 use rustical_dav::{
     extensions::CommonPropertiesExtension,
     privileges::UserPrivilegeSet,
@@ -21,11 +22,12 @@ use rustical_store::auth::Principal;
 pub struct AddressObjectResource {
     pub object: AddressObject,
     pub principal: String,
+    pub object_id: String,
 }
 
 impl ResourceName for AddressObjectResource {
     fn get_name(&self) -> Cow<'_, str> {
-        Cow::from(format!("{}.vcf", self.object.get_id()))
+        Cow::from(format!("{}.vcf", self.object_id))
     }
 }
 
@@ -69,7 +71,11 @@ impl Resource for AddressObjectResource {
     }
 
     fn get_displayname(&self) -> Option<&str> {
-        self.object.get_full_name()
+        self.object
+            .get_vcard()
+            .full_name
+            .first()
+            .map(|VcardFNProperty(name, _)| name.as_str())
     }
 
     fn get_owner(&self) -> Option<&str> {

crates/carddav/src/address_object/service.rs

@@ -57,6 +57,7 @@ impl<AS: AddressbookStore> ResourceService for AddressObjectResourceService<AS>
             .await?;
         Ok(AddressObjectResource {
             object,
+            object_id: object_id.to_owned(),
             principal: principal.to_owned(),
         })
     }

crates/carddav/src/addressbook/methods/get.rs

@@ -9,7 +9,6 @@ use http::{HeaderValue, Method, StatusCode, header};
 use percent_encoding::{CONTROLS, utf8_percent_encode};
 use rustical_dav::privileges::UserPrivilege;
 use rustical_dav::resource::Resource;
-use rustical_ical::AddressObject;
 use rustical_store::auth::Principal;
 use rustical_store::{AddressbookStore, SubscriptionStore};
 use std::str::FromStr;
@@ -40,7 +39,7 @@ pub async fn route_get<AS: AddressbookStore, S: SubscriptionStore>(
     let objects = addr_store.get_objects(&principal, &addressbook_id).await?;
     let vcf = objects
         .iter()
-        .map(AddressObject::get_vcf)
+        .map(|(_id, obj)| obj.get_vcf())
         .collect::<Vec<_>>()
         .join("\r\n");
 

crates/carddav/src/addressbook/methods/import.rs

@@ -1,5 +1,3 @@
-use std::io::BufReader;
-
 use crate::Error;
 use crate::addressbook::AddressbookResourceService;
 use axum::{
@@ -9,7 +7,7 @@ use axum::{
 use http::StatusCode;
 use ical::{
     parser::{Component, ComponentMut, vcard},
-    property::Property,
+    property::ContentLine,
 };
 use rustical_store::{Addressbook, AddressbookStore, SubscriptionStore, auth::Principal};
 use tracing::instrument;
@@ -25,7 +23,7 @@ pub async fn route_import<AS: AddressbookStore, S: SubscriptionStore>(
         return Err(Error::Unauthorized);
     }
 
-    let parser = vcard::VcardParser::new(BufReader::new(body.as_bytes()));
+    let parser = vcard::VcardParser::from_slice(body.as_bytes());
 
     let mut objects = vec![];
     for res in parser {
@@ -33,15 +31,16 @@ pub async fn route_import<AS: AddressbookStore, S: SubscriptionStore>(
         let uid = card.get_uid();
         if uid.is_none() {
             let mut card_mut = card.mutable();
-            card_mut.set_property(Property {
+            card_mut.add_content_line(ContentLine {
                 name: "UID".to_owned(),
                 value: Some(uuid::Uuid::new_v4().to_string()),
-                params: vec![],
+                params: vec![].into(),
             });
-            card = card_mut.verify().unwrap();
+            card = card_mut.build(None).unwrap();
         }
-
-        objects.push(card.try_into().unwrap());
+        // TODO: Make nicer
+        let uid = card.get_uid().unwrap();
+        objects.push((uid.to_owned(), card.into()));
     }
 
     if objects.is_empty() {

crates/carddav/src/addressbook/methods/report/addressbook_multiget.rs

@@ -29,7 +29,7 @@ pub async fn get_objects_addressbook_multiget<AS: AddressbookStore>(
     principal: &str,
     addressbook_id: &str,
     store: &AS,
-) -> Result<(Vec<AddressObject>, Vec<String>), Error> {
+) -> Result<(Vec<(String, AddressObject)>, Vec<String>), Error> {
     let mut result = vec![];
     let mut not_found = vec![];
 
@@ -43,7 +43,7 @@ pub async fn get_objects_addressbook_multiget<AS: AddressbookStore>(
                     .get_object(principal, addressbook_id, object_id, false)
                     .await
                 {
-                    Ok(object) => result.push(object),
+                    Ok(object) => result.push((object_id.to_owned(), object)),
                     Err(rustical_store::Error::NotFound) => not_found.push(href.to_string()),
                     Err(err) => return Err(err.into()),
                 }
@@ -74,11 +74,12 @@ pub async fn handle_addressbook_multiget<AS: AddressbookStore>(
             .await?;
 
     let mut responses = Vec::new();
-    for object in objects {
-        let path = format!("{}/{}.vcf", path, object.get_id());
+    for (object_id, object) in objects {
+        let path = format!("{path}/{object_id}.vcf");
         responses.push(
             AddressObjectResource {
                 object,
+                object_id,
                 principal: principal.to_owned(),
             }
             .propfind(&path, prop, None, puri, user)?,

crates/carddav/src/addressbook/methods/report/addressbook_query/elements.rs

@@ -3,7 +3,7 @@ use crate::{
     addressbook::methods::report::addressbook_query::PropFilterElement,
 };
 use derive_more::{From, Into};
-use ical::property::Property;
+use ical::property::ContentLine;
 use rustical_dav::xml::{PropfindType, TextMatchElement};
 use rustical_ical::{AddressObject, UtcDateTime};
 use rustical_xml::{ValueDeserialize, XmlDeserialize, XmlRootTag};
@@ -32,8 +32,8 @@ pub struct ParamFilterElement {
 
 impl ParamFilterElement {
     #[must_use]
-    pub fn match_property(&self, prop: &Property) -> bool {
-        let Some(param) = prop.get_param(&self.name) else {
+    pub fn match_property(&self, prop: &ContentLine) -> bool {
+        let Some(param) = prop.params.get_param(&self.name) else {
             return self.is_not_defined.is_some();
         };
         if self.is_not_defined.is_some() {
@@ -82,6 +82,11 @@ pub struct FilterElement {
 impl FilterElement {
     #[must_use]
     pub fn matches(&self, addr_object: &AddressObject) -> bool {
+        if self.prop_filter.is_empty() {
+            // Filter empty
+            return true;
+        }
+
         let Allof(allof) = self.test;
         let mut results = self
             .prop_filter

crates/carddav/src/addressbook/methods/report/addressbook_query/mod.rs

@@ -15,8 +15,8 @@ pub async fn get_objects_addressbook_query<AS: AddressbookStore>(
     principal: &str,
     addressbook_id: &str,
     store: &AS,
-) -> Result<Vec<AddressObject>, Error> {
+) -> Result<Vec<(String, AddressObject)>, Error> {
     let mut objects = store.get_objects(principal, addressbook_id).await?;
-    objects.retain(|object| addr_query.filter.matches(object));
+    objects.retain(|(_id, object)| addr_query.filter.matches(object));
     Ok(objects)
 }

crates/carddav/src/addressbook/methods/report/addressbook_query/prop_filter.rs

@@ -1,5 +1,5 @@
 use super::{Allof, ParamFilterElement};
-use ical::{parser::Component, property::Property};
+use ical::{parser::Component, property::ContentLine};
 use rustical_dav::xml::TextMatchElement;
 use rustical_ical::AddressObject;
 use rustical_xml::XmlDeserialize;
@@ -31,7 +31,11 @@ pub struct PropFilterElement {
 
 impl PropFilterElement {
     #[must_use]
-    pub fn match_property(&self, property: &Property) -> bool {
+    pub fn match_property(&self, property: &ContentLine) -> bool {
+        if self.param_filter.is_empty() && self.text_match.is_empty() {
+            // Filter empty
+            return true;
+        }
         let Allof(allof) = self.test;
         let text_matches = self
             .text_match
@@ -52,22 +56,22 @@ impl PropFilterElement {
     }
 
     pub fn match_component(&self, comp: &impl PropFilterable) -> bool {
-        let properties = comp.get_named_properties(&self.name);
+        let mut properties = comp.get_named_properties(&self.name);
         if self.is_not_defined.is_some() {
-            return properties.is_empty();
+            return properties.next().is_none();
         }
 
         // The filter matches when one property instance matches
-        properties.iter().any(|prop| self.match_property(prop))
+        properties.any(|prop| self.match_property(prop))
     }
 }
 
 pub trait PropFilterable {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property>;
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine>;
 }
 
 impl PropFilterable for AddressObject {
-    fn get_named_properties(&self, name: &str) -> Vec<&Property> {
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine> {
         self.get_vcard().get_named_properties(name)
     }
 }

crates/carddav/src/addressbook/methods/report/addressbook_query/tests.rs

@@ -64,7 +64,7 @@ const FILTER_2: &str = r#"
 #[case(VCF_2, FILTER_2, true)]
 fn test_filter(#[case] vcf: &str, #[case] filter: &str, #[case] matches: bool) {
     dbg!(vcf);
-    let obj = AddressObject::from_vcf(String::new(), vcf.to_owned()).unwrap();
+    let obj = AddressObject::from_vcf(vcf.to_owned()).unwrap();
     let filter = FilterElement::parse_str(filter).unwrap();
     assert_eq!(matches, filter.matches(&obj));
 }

crates/carddav/src/addressbook/methods/report/mod.rs

@@ -55,7 +55,7 @@ impl ReportRequest {
 }
 
 fn objects_response(
-    objects: Vec<AddressObject>,
+    objects: Vec<(String, AddressObject)>,
     not_found: Vec<String>,
     path: &str,
     principal: &str,
@@ -64,11 +64,12 @@ fn objects_response(
     prop: &PropfindType<AddressObjectPropWrapperName>,
 ) -> Result<MultistatusElement<AddressObjectPropWrapper, String>, Error> {
     let mut responses = Vec::new();
-    for object in objects {
-        let path = format!("{}/{}.vcf", path, object.get_id());
+    for (object_id, object) in objects {
+        let path = format!("{}/{}.vcf", path, &object_id);
         responses.push(
             AddressObjectResource {
                 object,
+                object_id,
                 principal: principal.to_owned(),
             }
             .propfind(&path, prop, None, puri, user)?,

crates/carddav/src/addressbook/methods/report/sync_collection.rs

@@ -32,11 +32,12 @@ pub async fn handle_sync_collection<AS: AddressbookStore>(
         .await?;
 
     let mut responses = Vec::new();
-    for object in new_objects {
-        let path = format!("{}/{}.vcf", path.trim_end_matches('/'), object.get_id());
+    for (object_id, object) in new_objects {
+        let path = format!("{}/{}.vcf", path.trim_end_matches('/'), object_id);
         responses.push(
             AddressObjectResource {
                 object,
+                object_id,
                 principal: principal.to_owned(),
             }
             .propfind(&path, &sync_collection.prop, None, puri, user)?,

crates/carddav/src/addressbook/service.rs

@@ -78,7 +78,8 @@ impl<AS: AddressbookStore, S: SubscriptionStore> ResourceService
             .get_objects(principal, addressbook_id)
             .await?
             .into_iter()
-            .map(|object| AddressObjectResource {
+            .map(|(object_id, object)| AddressObjectResource {
+                object_id,
                 object,
                 principal: principal.to_owned(),
             })
@@ -91,7 +92,7 @@ impl<AS: AddressbookStore, S: SubscriptionStore> ResourceService
         file: Self::Resource,
     ) -> Result<(), Self::Error> {
         self.addr_store
-            .update_addressbook(principal.to_owned(), addressbook_id.to_owned(), file.into())
+            .update_addressbook(principal, addressbook_id, file.into())
             .await?;
         Ok(())
     }

crates/carddav/src/error.rs

@@ -23,9 +23,6 @@ pub enum Error {
 
     #[error(transparent)]
     XmlDecodeError(#[from] rustical_xml::XmlError),
-
-    #[error(transparent)]
-    IcalError(#[from] rustical_ical::Error),
 }
 
 impl Error {
@@ -43,7 +40,6 @@ impl Error {
             Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
             Self::ChronoParseError(_) | Self::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
             Self::NotFound => StatusCode::NOT_FOUND,
-            Self::IcalError(err) => err.status_code(),
         }
     }
 }

crates/dav/src/error.rs

@@ -51,19 +51,18 @@ impl Error {
                 _ => StatusCode::BAD_REQUEST,
             },
             Self::PropReadOnly => StatusCode::CONFLICT,
-            Self::PreconditionFailed => StatusCode::PRECONDITION_FAILED,
             Self::InternalError | Self::IOError(_) => StatusCode::INTERNAL_SERVER_ERROR,
-            Self::Forbidden => StatusCode::FORBIDDEN,
+            // The correct status code for a failed precondition is not PreconditionFailed but
+            // Forbidden (or Conflict):
+            // https://datatracker.ietf.org/doc/html/rfc4791#section-1.3
+            Self::PreconditionFailed | Self::Forbidden => StatusCode::FORBIDDEN,
         }
     }
 }
 
 impl axum::response::IntoResponse for Error {
     fn into_response(self) -> axum::response::Response {
-        if matches!(
-            self.status_code(),
-            StatusCode::INTERNAL_SERVER_ERROR | StatusCode::PRECONDITION_FAILED
-        ) {
+        if matches!(self.status_code(), StatusCode::INTERNAL_SERVER_ERROR) {
             error!("{self}");
         }
 

crates/dav/src/resource/methods/copy.rs

@@ -6,12 +6,15 @@ use axum::{
     extract::{MatchedPath, Path, State},
     response::{IntoResponse, Response},
 };
+use axum_extra::TypedHeader;
+use headers::Host;
 use http::{HeaderMap, StatusCode, Uri};
 use matchit_serde::ParamsDeserializer;
 use serde::Deserialize;
 use tracing::instrument;
 
 #[instrument(skip(path, resource_service,))]
+#[allow(clippy::too_many_arguments)]
 pub async fn axum_route_copy<R: ResourceService>(
     Path(path): Path<R::PathComponents>,
     State(resource_service): State<R>,
@@ -20,6 +23,7 @@ pub async fn axum_route_copy<R: ResourceService>(
     Overwrite(overwrite): Overwrite,
     matched_path: MatchedPath,
     header_map: HeaderMap,
+    TypedHeader(host): TypedHeader<Host>,
 ) -> Result<Response, R::Error> {
     let destination = header_map
         .get("Destination")
@@ -27,7 +31,11 @@ pub async fn axum_route_copy<R: ResourceService>(
         .to_str()
         .map_err(|_| crate::Error::Forbidden)?;
     let destination_uri: Uri = destination.parse().map_err(|_| crate::Error::Forbidden)?;
-    // TODO: Check that host also matches
+    if let Some(authority) = destination_uri.authority()
+        && host != authority.clone().into()
+    {
+        return Err(crate::Error::Forbidden.into());
+    }
     let destination = destination_uri.path();
 
     let mut router = matchit::Router::new();

crates/dav/src/resource/methods/delete.rs

@@ -52,11 +52,11 @@ pub async fn route_delete<R: ResourceService>(
         return Err(Error::Unauthorized.into());
     }
 
-    if let Some(if_match) = if_match {
-        if !resource.satisfies_if_match(&if_match) {
-            // Precondition failed
-            return Err(crate::Error::PreconditionFailed.into());
-        }
+    if let Some(if_match) = if_match
+        && !resource.satisfies_if_match(&if_match)
+    {
+        // Precondition failed
+        return Err(crate::Error::PreconditionFailed.into());
     }
     if let Some(if_none_match) = if_none_match
         && resource.satisfies_if_none_match(&if_none_match)

crates/dav/src/resource/methods/mv.rs

@@ -6,12 +6,15 @@ use axum::{
     extract::{MatchedPath, Path, State},
     response::{IntoResponse, Response},
 };
+use axum_extra::TypedHeader;
+use headers::Host;
 use http::{HeaderMap, StatusCode, Uri};
 use matchit_serde::ParamsDeserializer;
 use serde::Deserialize;
 use tracing::instrument;
 
 #[instrument(skip(path, resource_service,))]
+#[allow(clippy::too_many_arguments)]
 pub async fn axum_route_move<R: ResourceService>(
     Path(path): Path<R::PathComponents>,
     State(resource_service): State<R>,
@@ -20,6 +23,7 @@ pub async fn axum_route_move<R: ResourceService>(
     Overwrite(overwrite): Overwrite,
     matched_path: MatchedPath,
     header_map: HeaderMap,
+    TypedHeader(host): TypedHeader<Host>,
 ) -> Result<Response, R::Error> {
     let destination = header_map
         .get("Destination")
@@ -27,7 +31,11 @@ pub async fn axum_route_move<R: ResourceService>(
         .to_str()
         .map_err(|_| crate::Error::Forbidden)?;
     let destination_uri: Uri = destination.parse().map_err(|_| crate::Error::Forbidden)?;
-    // TODO: Check that host also matches
+    if let Some(authority) = destination_uri.authority()
+        && host != authority.clone().into()
+    {
+        return Err(crate::Error::Forbidden.into());
+    }
     let destination = destination_uri.path();
 
     let mut router = matchit::Router::new();

crates/dav/src/resource/methods/proppatch.rs

@@ -71,6 +71,7 @@ pub async fn axum_route_proppatch<R: ResourceService>(
     route_proppatch(&path, uri.path(), &body, &principal, &resource_service).await
 }
 
+#[allow(clippy::too_many_lines)]
 pub async fn route_proppatch<R: ResourceService>(
     path_components: &R::PathComponents,
     path: &str,
@@ -116,12 +117,14 @@ pub async fn route_proppatch<R: ResourceService>(
                             }
                         }
                         SetPropertyPropWrapper::Invalid(invalid) => {
-                            let propname = invalid.tag_name();
+                            let Unparsed(propns, propname) = invalid;
 
                             if let Some(full_propname) = <R::Resource as Resource>::list_props()
                                 .into_iter()
                                 .find_map(|(ns, tag)| {
-                                    if tag == propname.as_str() {
+                                    if (ns, tag)
+                                        == (propns.as_ref().map(NamespaceOwned::as_ref), &propname)
+                                    {
                                         Some((ns.map(NamespaceOwned::from), tag.to_owned()))
                                     } else {
                                         None
@@ -133,7 +136,7 @@ pub async fn route_proppatch<R: ResourceService>(
                                 // - internal properties
                                 props_conflict.push(full_propname);
                             } else {
-                                props_not_found.push((None, propname));
+                                props_not_found.push((propns, propname));
                             }
                         }
                     }

crates/dav/src/xml/propfind.rs

@@ -45,7 +45,7 @@ impl<PN: XmlDeserialize> XmlDeserialize for PropElement<PN> {
                 // start of a child element
                 Event::Start(start) | Event::Empty(start) => {
                     let empty = matches!(event, Event::Empty(_));
-                    let (ns, name) = reader.resolve_element(start.name());
+                    let (ns, name) = reader.resolver().resolve_element(start.name());
                     let ns = match ns {
                         ResolveResult::Bound(ns) => Some(NamespaceOwned::from(ns)),
                         ResolveResult::Unknown(_ns) => todo!("handle error"),

crates/dav/src/xml/text_match.rs

@@ -1,4 +1,4 @@
-use ical::property::Property;
+use ical::property::ContentLine;
 use rustical_xml::{ValueDeserialize, XmlDeserialize};
 use std::borrow::Cow;
 
@@ -128,7 +128,7 @@ impl TextMatchElement {
         negate_condition.0 ^ matches
     }
     #[must_use]
-    pub fn match_property(&self, property: &Property) -> bool {
+    pub fn match_property(&self, property: &ContentLine) -> bool {
         let text = property.value.as_deref().unwrap_or("");
         self.match_text(text)
     }

crates/ical/Cargo.toml

@@ -21,3 +21,5 @@ rrule.workspace = true
 serde.workspace = true
 sha2.workspace = true
 axum.workspace = true
+rstest.workspace = true
+similar-asserts.workspace = true

crates/ical/src/address_object.rs

@@ -1,59 +1,45 @@
-use crate::{CalDateTime, LOCAL_DATE};
 use crate::{CalendarObject, Error};
-use chrono::Datelike;
-use ical::generator::Emitter;
-use ical::parser::{
-    Component,
-    vcard::{self, component::VcardContact},
+use chrono::{NaiveDate, Utc};
+use ical::component::{
+    CalendarInnerDataBuilder, IcalAlarmBuilder, IcalCalendarObjectBuilder, IcalEventBuilder,
 };
+use ical::generator::Emitter;
+use ical::parser::vcard::{self, component::VcardContact};
+use ical::parser::{
+    Calscale, ComponentMut, IcalCALSCALEProperty, IcalDTENDProperty, IcalDTSTAMPProperty,
+    IcalDTSTARTProperty, IcalPRODIDProperty, IcalRRULEProperty, IcalSUMMARYProperty,
+    IcalUIDProperty, IcalVERSIONProperty, IcalVersion, VcardANNIVERSARYProperty, VcardBDAYProperty,
+    VcardFNProperty,
+};
+use ical::property::ContentLine;
+use ical::types::{CalDate, PartialDate};
 use sha2::{Digest, Sha256};
-use std::{collections::HashMap, io::BufReader};
+use std::collections::HashMap;
+use std::str::FromStr;
 
 #[derive(Debug, Clone)]
 pub struct AddressObject {
-    id: String,
     vcf: String,
     vcard: VcardContact,
 }
 
-impl TryFrom<VcardContact> for AddressObject {
-    type Error = Error;
-
-    fn try_from(vcard: VcardContact) -> Result<Self, Self::Error> {
-        let uid = vcard
-            .get_uid()
-            .ok_or_else(|| Error::InvalidData("missing UID".to_owned()))?
-            .to_owned();
+impl From<VcardContact> for AddressObject {
+    fn from(vcard: VcardContact) -> Self {
         let vcf = vcard.generate();
-        Ok(Self {
-            vcf,
-            vcard,
-            id: uid,
-        })
+        Self { vcf, vcard }
     }
 }
 
 impl AddressObject {
-    pub fn from_vcf(id: String, vcf: String) -> Result<Self, Error> {
-        let mut parser = vcard::VcardParser::new(BufReader::new(vcf.as_bytes()));
-        let vcard = parser.next().ok_or(Error::MissingContact)??;
-        if parser.next().is_some() {
-            return Err(Error::InvalidData(
-                "multiple vcards, only one allowed".to_owned(),
-            ));
-        }
-        Ok(Self { id, vcf, vcard })
-    }
-
-    #[must_use]
-    pub fn get_id(&self) -> &str {
-        &self.id
+    pub fn from_vcf(vcf: String) -> Result<Self, Error> {
+        let parser = vcard::VcardParser::from_slice(vcf.as_bytes());
+        let vcard = parser.expect_one()?;
+        Ok(Self { vcf, vcard })
     }
 
     #[must_use]
     pub fn get_etag(&self) -> String {
         let mut hasher = Sha256::new();
-        hasher.update(self.get_id());
         hasher.update(self.get_vcf());
         format!("\"{:x}\"", hasher.finalize())
     }
@@ -63,121 +49,115 @@ impl AddressObject {
         &self.vcf
     }
 
-    #[must_use]
-    pub fn get_anniversary(&self) -> Option<(CalDateTime, bool)> {
-        let prop = self.vcard.get_property("ANNIVERSARY")?.value.as_deref()?;
-        CalDateTime::parse_vcard(prop).ok()
-    }
+    fn get_significant_date_object(
+        &self,
+        date: &PartialDate,
+        summary_prefix: &str,
+        suffix: &str,
+    ) -> Result<Option<CalendarObject>, Error> {
+        let Some(uid) = self.vcard.get_uid() else {
+            return Ok(None);
+        };
+        let uid = format!("{uid}{suffix}");
+        let year = date.get_year();
+        let year_suffix = year.map(|year| format!(" {year}")).unwrap_or_default();
+        let Some(month) = date.get_month() else {
+            return Ok(None);
+        };
+        let Some(day) = date.get_day() else {
+            return Ok(None);
+        };
+        let Some(dtstart) = NaiveDate::from_ymd_opt(year.unwrap_or(1900), month, day) else {
+            return Ok(None);
+        };
+        let start_date = CalDate(dtstart, ical::types::Timezone::Local);
+        let Some(end_date) = start_date.succ_opt() else {
+            // start_date is MAX_DATE, this should never happen but FAPP also not raise an error
+            return Ok(None);
+        };
+        let Some(VcardFNProperty(fullname, _)) = self.vcard.full_name.first() else {
+            return Ok(None);
+        };
+        let summary = format!("{summary_prefix} {fullname}{year_suffix}");
 
-    #[must_use]
-    pub fn get_birthday(&self) -> Option<(CalDateTime, bool)> {
-        let prop = self.vcard.get_property("BDAY")?.value.as_deref()?;
-        CalDateTime::parse_vcard(prop).ok()
-    }
+        let event = IcalEventBuilder {
+            properties: vec![
+                IcalDTSTAMPProperty(Utc::now().into(), vec![].into()).into(),
+                IcalDTSTARTProperty(start_date.into(), vec![].into()).into(),
+                IcalDTENDProperty(end_date.into(), vec![].into()).into(),
+                IcalUIDProperty(uid, vec![].into()).into(),
+                IcalRRULEProperty(
+                    rrule::RRule::from_str("FREQ=YEARLY").unwrap(),
+                    vec![].into(),
+                )
+                .into(),
+                IcalSUMMARYProperty(summary.clone(), vec![].into()).into(),
+                ContentLine {
+                    name: "TRANSP".to_owned(),
+                    value: Some("TRANSPARENT".to_owned()),
+                    ..Default::default()
+                },
+            ],
+            alarms: vec![IcalAlarmBuilder {
+                properties: vec![
+                    ContentLine {
+                        name: "TRIGGER".to_owned(),
+                        value: Some("-PT0M".to_owned()),
+                        params: vec![("VALUE".to_owned(), vec!["DURATION".to_owned()])].into(),
+                    },
+                    ContentLine {
+                        name: "ACTION".to_owned(),
+                        value: Some("DISPLAY".to_owned()),
+                        ..Default::default()
+                    },
+                    ContentLine {
+                        name: "DESCRIPTION".to_owned(),
+                        value: Some(summary),
+                        ..Default::default()
+                    },
+                ],
+            }],
+        };
 
-    #[must_use]
-    pub fn get_full_name(&self) -> Option<&str> {
-        let prop = self.vcard.get_property("FN")?;
-        prop.value.as_deref()
+        Ok(Some(
+            IcalCalendarObjectBuilder {
+                properties: vec![
+                    IcalVERSIONProperty(IcalVersion::Version2_0, vec![].into()).into(),
+                    IcalCALSCALEProperty(Calscale::Gregorian, vec![].into()).into(),
+                    IcalPRODIDProperty(
+                        "-//github.com/lennart-k/rustical birthday calendar//EN".to_owned(),
+                        vec![].into(),
+                    )
+                    .into(),
+                ],
+                inner: Some(CalendarInnerDataBuilder::Event(vec![event])),
+                vtimezones: HashMap::default(),
+            }
+            .build(None)?
+            .into(),
+        ))
     }
 
     pub fn get_anniversary_object(&self) -> Result<Option<CalendarObject>, Error> {
-        Ok(
-            if let Some((anniversary, contains_year)) = self.get_anniversary() {
-                let Some(fullname) = self.get_full_name() else {
-                    return Ok(None);
-                };
-                let anniversary = anniversary.date();
-                let year = contains_year.then_some(anniversary.year());
-                let anniversary_start = anniversary.format(LOCAL_DATE);
-                let anniversary_end = anniversary
-                    .succ_opt()
-                    .unwrap_or(anniversary)
-                    .format(LOCAL_DATE);
-                let uid = format!("{}-anniversary", self.get_id());
+        let Some(VcardANNIVERSARYProperty(anniversary, _)) = &self.vcard.anniversary else {
+            return Ok(None);
+        };
+        let Some(date) = &anniversary.date else {
+            return Ok(None);
+        };
 
-                let year_suffix = year.map(|year| format!(" ({year})")).unwrap_or_default();
-                Some(CalendarObject::from_ics(
-                    format!(
-                        r"BEGIN:VCALENDAR
-VERSION:2.0
-CALSCALE:GREGORIAN
-PRODID:-//github.com/lennart-k/rustical birthday calendar//EN
-BEGIN:VEVENT
-DTSTART;VALUE=DATE:{anniversary_start}
-DTEND;VALUE=DATE:{anniversary_end}
-UID:{uid}
-RRULE:FREQ=YEARLY
-SUMMARY:💍 {fullname}{year_suffix}
-TRANSP:TRANSPARENT
-BEGIN:VALARM
-TRIGGER;VALUE=DURATION:-PT0M
-ACTION:DISPLAY
-DESCRIPTION:💍 {fullname}{year_suffix}
-END:VALARM
-END:VEVENT
-END:VCALENDAR",
-                    ),
-                    None,
-                )?)
-            } else {
-                None
-            },
-        )
+        self.get_significant_date_object(date, "💍", "-anniversary")
     }
 
     pub fn get_birthday_object(&self) -> Result<Option<CalendarObject>, Error> {
-        Ok(
-            if let Some((birthday, contains_year)) = self.get_birthday() {
-                let Some(fullname) = self.get_full_name() else {
-                    return Ok(None);
-                };
-                let birthday = birthday.date();
-                let year = contains_year.then_some(birthday.year());
-                let birthday_start = birthday.format(LOCAL_DATE);
-                let birthday_end = birthday.succ_opt().unwrap_or(birthday).format(LOCAL_DATE);
-                let uid = format!("{}-birthday", self.get_id());
+        let Some(VcardBDAYProperty(bday, _)) = &self.vcard.birthday else {
+            return Ok(None);
+        };
+        let Some(date) = &bday.date else {
+            return Ok(None);
+        };
 
-                let year_suffix = year.map(|year| format!(" ({year})")).unwrap_or_default();
-                Some(CalendarObject::from_ics(
-                    format!(
-                        r"BEGIN:VCALENDAR
-VERSION:2.0
-CALSCALE:GREGORIAN
-PRODID:-//github.com/lennart-k/rustical birthday calendar//EN
-BEGIN:VEVENT
-DTSTART;VALUE=DATE:{birthday_start}
-DTEND;VALUE=DATE:{birthday_end}
-UID:{uid}
-RRULE:FREQ=YEARLY
-SUMMARY:🎂 {fullname}{year_suffix}
-TRANSP:TRANSPARENT
-BEGIN:VALARM
-TRIGGER;VALUE=DURATION:-PT0M
-ACTION:DISPLAY
-DESCRIPTION:🎂 {fullname}{year_suffix}
-END:VALARM
-END:VEVENT
-END:VCALENDAR",
-                    ),
-                    None,
-                )?)
-            } else {
-                None
-            },
-        )
-    }
-
-    /// Get significant dates associated with this address object
-    pub fn get_significant_dates(&self) -> Result<HashMap<&'static str, CalendarObject>, Error> {
-        let mut out = HashMap::new();
-        if let Some(birthday) = self.get_birthday_object()? {
-            out.insert("birthday", birthday);
-        }
-        if let Some(anniversary) = self.get_anniversary_object()? {
-            out.insert("anniversary", anniversary);
-        }
-        Ok(out)
+        self.get_significant_date_object(date, "🎂", "-birthday")
     }
 
     #[must_use]

crates/ical/src/calendar_object.rs

@@ -0,0 +1,120 @@
+use crate::Error;
+use derive_more::Display;
+use ical::IcalObjectParser;
+use ical::component::CalendarInnerData;
+use ical::component::IcalCalendarObject;
+use ical::generator::Emitter;
+use serde::Deserialize;
+use serde::Serialize;
+use sha2::{Digest, Sha256};
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Display)]
+// specified in https://datatracker.ietf.org/doc/html/rfc5545#section-3.6
+pub enum CalendarObjectType {
+    #[serde(rename = "VEVENT")]
+    Event = 0,
+    #[serde(rename = "VTODO")]
+    Todo = 1,
+    #[serde(rename = "VJOURNAL")]
+    Journal = 2,
+}
+
+impl From<&IcalCalendarObject> for CalendarObjectType {
+    fn from(value: &IcalCalendarObject) -> Self {
+        match value.get_inner() {
+            CalendarInnerData::Event(_, _) => Self::Event,
+            CalendarInnerData::Todo(_, _) => Self::Todo,
+            CalendarInnerData::Journal(_, _) => Self::Journal,
+        }
+    }
+}
+
+impl CalendarObjectType {
+    #[must_use]
+    pub const fn as_str(&self) -> &'static str {
+        match self {
+            Self::Event => "VEVENT",
+            Self::Todo => "VTODO",
+            Self::Journal => "VJOURNAL",
+        }
+    }
+}
+
+impl rustical_xml::ValueSerialize for CalendarObjectType {
+    fn serialize(&self) -> String {
+        self.as_str().to_owned()
+    }
+}
+
+impl rustical_xml::ValueDeserialize for CalendarObjectType {
+    fn deserialize(val: &str) -> std::result::Result<Self, rustical_xml::XmlError> {
+        match <String as rustical_xml::ValueDeserialize>::deserialize(val)?.as_str() {
+            "VEVENT" => Ok(Self::Event),
+            "VTODO" => Ok(Self::Todo),
+            "VJOURNAL" => Ok(Self::Journal),
+            _ => Err(rustical_xml::XmlError::InvalidValue(
+                rustical_xml::ParseValueError::Other(format!(
+                    "Invalid value '{val}', must be VEVENT, VTODO, or VJOURNAL"
+                )),
+            )),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct CalendarObject {
+    inner: IcalCalendarObject,
+    ics: String,
+}
+
+impl CalendarObject {
+    pub fn from_ics(ics: String) -> Result<Self, Error> {
+        let parser = IcalObjectParser::from_slice(ics.as_bytes());
+        let inner = parser.expect_one()?;
+
+        Ok(Self { inner, ics })
+    }
+
+    #[must_use]
+    pub const fn get_inner(&self) -> &IcalCalendarObject {
+        &self.inner
+    }
+
+    #[must_use]
+    pub fn get_uid(&self) -> &str {
+        self.inner.get_uid()
+    }
+
+    #[must_use]
+    pub fn get_etag(&self) -> String {
+        let mut hasher = Sha256::new();
+        hasher.update(self.get_uid());
+        hasher.update(self.get_ics());
+        format!("\"{:x}\"", hasher.finalize())
+    }
+
+    #[must_use]
+    pub fn get_ics(&self) -> &str {
+        &self.ics
+    }
+
+    #[must_use]
+    pub fn get_object_type(&self) -> CalendarObjectType {
+        (&self.inner).into()
+    }
+}
+
+impl From<CalendarObject> for IcalCalendarObject {
+    fn from(value: CalendarObject) -> Self {
+        value.inner
+    }
+}
+
+impl From<IcalCalendarObject> for CalendarObject {
+    fn from(value: IcalCalendarObject) -> Self {
+        Self {
+            ics: value.generate(),
+            inner: value,
+        }
+    }
+}

crates/ical/src/error.rs

@@ -1,42 +0,0 @@
-use axum::{http::StatusCode, response::IntoResponse};
-
-use crate::CalDateTimeError;
-
-#[derive(Debug, thiserror::Error, PartialEq, Eq)]
-pub enum Error {
-    #[error("Invalid ics/vcf input: {0}")]
-    InvalidData(String),
-
-    #[error("Missing calendar")]
-    MissingCalendar,
-
-    #[error("Missing contact")]
-    MissingContact,
-
-    #[error(transparent)]
-    ParserError(#[from] ical::parser::ParserError),
-
-    #[error(transparent)]
-    CalDateTimeError(#[from] CalDateTimeError),
-
-    #[error(transparent)]
-    RRuleError(#[from] rrule::RRuleError),
-}
-
-impl Error {
-    #[must_use]
-    pub const fn status_code(&self) -> StatusCode {
-        match self {
-            Self::InvalidData(_) | Self::MissingCalendar | Self::MissingContact => {
-                StatusCode::BAD_REQUEST
-            }
-            _ => StatusCode::INTERNAL_SERVER_ERROR,
-        }
-    }
-}
-
-impl IntoResponse for Error {
-    fn into_response(self) -> axum::response::Response {
-        (self.status_code(), self.to_string()).into_response()
-    }
-}

crates/ical/src/icalendar/event.rs

@@ -1,268 +0,0 @@
-use crate::CalDateTime;
-use crate::Error;
-use chrono::{DateTime, Duration, Utc};
-use ical::parser::ComponentMut;
-use ical::{generator::IcalEvent, parser::Component, property::Property};
-use rrule::{RRule, RRuleSet};
-use std::{collections::HashMap, str::FromStr};
-
-#[derive(Debug, Clone, Default)]
-pub struct EventObject {
-    pub event: IcalEvent,
-    // If a timezone is None that means that in the VCALENDAR object there's a timezone defined
-    // with that name but its not from the Olson DB
-    pub timezones: HashMap<String, Option<chrono_tz::Tz>>,
-}
-
-impl EventObject {
-    #[must_use]
-    pub fn get_uid(&self) -> &str {
-        self.event.get_uid()
-    }
-
-    pub fn get_dtstart(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(dtstart) = self.event.get_dtstart() {
-            Ok(Some(CalDateTime::parse_prop(dtstart, &self.timezones)?))
-        } else {
-            Ok(None)
-        }
-    }
-
-    pub fn get_dtend(&self) -> Result<Option<CalDateTime>, Error> {
-        if let Some(dtend) = self.event.get_dtend() {
-            Ok(Some(CalDateTime::parse_prop(dtend, &self.timezones)?))
-        } else {
-            Ok(None)
-        }
-    }
-
-    pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        if self.event.get_rrule().is_some() {
-            // TODO: understand recurrence rules
-            return Ok(None);
-        }
-
-        if let Some(dtend) = self.get_dtend()? {
-            return Ok(Some(dtend));
-        }
-
-        let duration = self.event.get_duration().unwrap_or(Duration::days(1));
-
-        let first_occurence = self.get_dtstart()?;
-        Ok(first_occurence.map(|first_occurence| first_occurence + duration))
-    }
-
-    pub fn recurrence_ruleset(&self) -> Result<Option<rrule::RRuleSet>, Error> {
-        let dtstart: DateTime<rrule::Tz> = if let Some(dtstart) = self.get_dtstart()? {
-            if let Some(dtend) = self.get_dtend()? {
-                // DTSTART and DTEND MUST have the same timezone
-                assert_eq!(dtstart.timezone(), dtend.timezone());
-            }
-
-            dtstart
-                .as_datetime()
-                .with_timezone(&dtstart.timezone().into())
-        } else {
-            return Ok(None);
-        };
-
-        let mut rrule_set = RRuleSet::new(dtstart);
-
-        for prop in &self.event.properties {
-            rrule_set = match prop.name.as_str() {
-                "RRULE" => {
-                    let rrule = RRule::from_str(prop.value.as_ref().ok_or_else(|| {
-                        Error::RRuleError(rrule::ParseError::MissingDateGenerationRules.into())
-                    })?)?
-                    .validate(dtstart)
-                    .unwrap();
-                    rrule_set.rrule(rrule)
-                }
-                "RDATE" => {
-                    let rdate = CalDateTime::parse_prop(prop, &self.timezones)?.into();
-                    rrule_set.rdate(rdate)
-                }
-                "EXDATE" => {
-                    let exdate = CalDateTime::parse_prop(prop, &self.timezones)?.into();
-                    rrule_set.exdate(exdate)
-                }
-                _ => rrule_set,
-            }
-        }
-
-        Ok(Some(rrule_set))
-    }
-
-    pub fn expand_recurrence(
-        &self,
-        start: Option<DateTime<Utc>>,
-        end: Option<DateTime<Utc>>,
-        overrides: &[Self],
-    ) -> Result<Vec<IcalEvent>, Error> {
-        let Some(mut rrule_set) = self.recurrence_ruleset()? else {
-            return Ok(vec![self.event.clone()]);
-        };
-
-        if let Some(start) = start {
-            rrule_set = rrule_set.after(start.with_timezone(&rrule::Tz::UTC));
-        }
-        if let Some(end) = end {
-            rrule_set = rrule_set.before(end.with_timezone(&rrule::Tz::UTC));
-        }
-        let mut events = vec![];
-        let dates = rrule_set.all(2048).dates;
-        let dtstart = self.get_dtstart()?.expect("We must have a DTSTART here");
-        let computed_duration = self
-            .get_dtend()?
-            .map(|dtend| dtend.as_datetime().into_owned() - dtstart.as_datetime().as_ref());
-
-        'recurrence: for date in dates {
-            let date = CalDateTime::from(date);
-            let dateformat = if dtstart.is_date() {
-                date.format_date()
-            } else {
-                date.format()
-            };
-
-            for ev_override in overrides {
-                if let Some(override_id) = &ev_override
-                    .event
-                    .get_recurrence_id()
-                    .as_ref()
-                    .expect("overrides have a recurrence id")
-                    .value
-                    && override_id == &dateformat
-                {
-                    // We have an override for this occurence
-                    //
-                    events.push(ev_override.event.clone());
-                    continue 'recurrence;
-                }
-            }
-
-            let mut ev = self.event.clone().mutable();
-            ev.remove_property("RRULE");
-            ev.remove_property("RDATE");
-            ev.remove_property("EXDATE");
-            ev.remove_property("EXRULE");
-            let dtstart_prop = ev
-                .get_property("DTSTART")
-                .expect("We must have a DTSTART here")
-                .clone();
-            ev.remove_property("DTSTART");
-            ev.remove_property("DTEND");
-
-            ev.set_property(Property {
-                name: "RECURRENCE-ID".to_string(),
-                value: Some(dateformat.clone()),
-                params: vec![],
-            });
-            ev.set_property(Property {
-                name: "DTSTART".to_string(),
-                value: Some(dateformat),
-                params: dtstart_prop.params.clone(),
-            });
-            if let Some(duration) = computed_duration {
-                let dtend = date + duration;
-                let dtendformat = if dtstart.is_date() {
-                    dtend.format_date()
-                } else {
-                    dtend.format()
-                };
-                ev.set_property(Property {
-                    name: "DTEND".to_string(),
-                    value: Some(dtendformat),
-                    params: dtstart_prop.params,
-                });
-            }
-            events.push(ev.verify()?);
-        }
-        Ok(events)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::CalendarObject;
-    use ical::generator::Emitter;
-
-    const ICS: &str = r"BEGIN:VCALENDAR
-CALSCALE:GREGORIAN
-VERSION:2.0
-BEGIN:VTIMEZONE
-TZID:Europe/Berlin
-X-LIC-LOCATION:Europe/Berlin
-END:VTIMEZONE
-
-BEGIN:VEVENT
-UID:318ec6503573d9576818daf93dac07317058d95c
-DTSTAMP:20250502T132758Z
-DTSTART;TZID=Europe/Berlin:20250506T090000
-DTEND;TZID=Europe/Berlin:20250506T092500
-SEQUENCE:2
-SUMMARY:weekly stuff
-TRANSP:OPAQUE
-RRULE:FREQ=WEEKLY;COUNT=4;INTERVAL=2;BYDAY=TU,TH,SU
-END:VEVENT
-END:VCALENDAR";
-
-    const EXPANDED: [&str; 4] = [
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250506T090000\r
-DTSTART;TZID=Europe/Berlin:20250506T090000\r
-DTEND;TZID=Europe/Berlin:20250506T092500\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250508T090000\r
-DTSTART;TZID=Europe/Berlin:20250508T090000\r
-DTEND;TZID=Europe/Berlin:20250508T092500\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250511T090000\r
-DTSTART;TZID=Europe/Berlin:20250511T090000\r
-DTEND;TZID=Europe/Berlin:20250511T092500\r
-END:VEVENT\r\n",
-        "BEGIN:VEVENT\r
-UID:318ec6503573d9576818daf93dac07317058d95c\r
-DTSTAMP:20250502T132758Z\r
-SEQUENCE:2\r
-SUMMARY:weekly stuff\r
-TRANSP:OPAQUE\r
-RECURRENCE-ID:20250520T090000\r
-DTSTART;TZID=Europe/Berlin:20250520T090000\r
-DTEND;TZID=Europe/Berlin:20250520T092500\r
-END:VEVENT\r\n",
-    ];
-
-    #[test]
-    fn test_expand_recurrence() {
-        let event = CalendarObject::from_ics(ICS.to_string(), None).unwrap();
-        let crate::CalendarObjectComponent::Event(event, overrides) = event.get_data() else {
-            panic!()
-        };
-
-        let events: Vec<String> = event
-            .expand_recurrence(None, None, overrides)
-            .unwrap()
-            .into_iter()
-            .map(|event| Emitter::generate(&event))
-            .collect();
-        assert_eq!(events.as_slice()[0], EXPANDED[0]);
-        assert_eq!(events.as_slice(), &EXPANDED);
-    }
-}

crates/ical/src/icalendar/mod.rs

@@ -1,5 +0,0 @@
-mod event;
-mod object;
-
-pub use event::*;
-pub use object::*;

crates/ical/src/icalendar/object.rs

@@ -1,339 +0,0 @@
-use super::EventObject;
-use crate::CalDateTime;
-use crate::Error;
-use chrono::DateTime;
-use chrono::Utc;
-use derive_more::Display;
-use ical::generator::{Emitter, IcalCalendar};
-use ical::parser::ical::component::IcalJournal;
-use ical::parser::ical::component::IcalTimeZone;
-use ical::parser::ical::component::IcalTodo;
-use ical::property::Property;
-use serde::Deserialize;
-use serde::Serialize;
-use sha2::{Digest, Sha256};
-use std::{collections::HashMap, io::BufReader};
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Display)]
-// specified in https://datatracker.ietf.org/doc/html/rfc5545#section-3.6
-pub enum CalendarObjectType {
-    #[serde(rename = "VEVENT")]
-    Event = 0,
-    #[serde(rename = "VTODO")]
-    Todo = 1,
-    #[serde(rename = "VJOURNAL")]
-    Journal = 2,
-}
-
-impl CalendarObjectType {
-    #[must_use]
-    pub const fn as_str(&self) -> &'static str {
-        match self {
-            Self::Event => "VEVENT",
-            Self::Todo => "VTODO",
-            Self::Journal => "VJOURNAL",
-        }
-    }
-}
-
-impl rustical_xml::ValueSerialize for CalendarObjectType {
-    fn serialize(&self) -> String {
-        self.as_str().to_owned()
-    }
-}
-
-impl rustical_xml::ValueDeserialize for CalendarObjectType {
-    fn deserialize(val: &str) -> std::result::Result<Self, rustical_xml::XmlError> {
-        match <String as rustical_xml::ValueDeserialize>::deserialize(val)?.as_str() {
-            "VEVENT" => Ok(Self::Event),
-            "VTODO" => Ok(Self::Todo),
-            "VJOURNAL" => Ok(Self::Journal),
-            _ => Err(rustical_xml::XmlError::InvalidValue(
-                rustical_xml::ParseValueError::Other(format!(
-                    "Invalid value '{val}', must be VEVENT, VTODO, or VJOURNAL"
-                )),
-            )),
-        }
-    }
-}
-
-#[derive(Debug, Clone)]
-pub enum CalendarObjectComponent {
-    Event(EventObject, Vec<EventObject>),
-    Todo(IcalTodo, Vec<IcalTodo>),
-    Journal(IcalJournal, Vec<IcalJournal>),
-}
-
-impl CalendarObjectComponent {
-    #[must_use]
-    pub fn get_uid(&self) -> &str {
-        match &self {
-            // We've made sure before that the first component exists and all components share the
-            // same UID
-            Self::Todo(todo, _) => todo.get_uid(),
-            Self::Event(event, _) => event.event.get_uid(),
-            Self::Journal(journal, _) => journal.get_uid(),
-        }
-    }
-}
-
-impl From<&CalendarObjectComponent> for CalendarObjectType {
-    fn from(value: &CalendarObjectComponent) -> Self {
-        match value {
-            CalendarObjectComponent::Event(..) => Self::Event,
-            CalendarObjectComponent::Todo(..) => Self::Todo,
-            CalendarObjectComponent::Journal(..) => Self::Journal,
-        }
-    }
-}
-
-impl CalendarObjectComponent {
-    fn from_events(mut events: Vec<EventObject>) -> Result<Self, Error> {
-        let main_event = events
-            .extract_if(.., |event| event.event.get_recurrence_id().is_none())
-            .next()
-            .expect("there must be one main event");
-        let overrides = events;
-        for event in &overrides {
-            if event.get_uid() != main_event.get_uid() {
-                return Err(Error::InvalidData(
-                    "Calendar object contains multiple UIDs".to_owned(),
-                ));
-            }
-            if event.event.get_recurrence_id().is_none() {
-                return Err(Error::InvalidData(
-                    "Calendar object can only contain one main component".to_owned(),
-                ));
-            }
-        }
-        Ok(Self::Event(main_event, overrides))
-    }
-    fn from_todos(mut todos: Vec<IcalTodo>) -> Result<Self, Error> {
-        let main_todo = todos
-            .extract_if(.., |todo| todo.get_recurrence_id().is_none())
-            .next()
-            .expect("there must be one main event");
-        let overrides = todos;
-        for todo in &overrides {
-            if todo.get_uid() != main_todo.get_uid() {
-                return Err(Error::InvalidData(
-                    "Calendar object contains multiple UIDs".to_owned(),
-                ));
-            }
-            if todo.get_recurrence_id().is_none() {
-                return Err(Error::InvalidData(
-                    "Calendar object can only contain one main component".to_owned(),
-                ));
-            }
-        }
-        Ok(Self::Todo(main_todo, overrides))
-    }
-    fn from_journals(mut journals: Vec<IcalJournal>) -> Result<Self, Error> {
-        let main_journal = journals
-            .extract_if(.., |journal| journal.get_recurrence_id().is_none())
-            .next()
-            .expect("there must be one main event");
-        let overrides = journals;
-        for journal in &overrides {
-            if journal.get_uid() != main_journal.get_uid() {
-                return Err(Error::InvalidData(
-                    "Calendar object contains multiple UIDs".to_owned(),
-                ));
-            }
-            if journal.get_recurrence_id().is_none() {
-                return Err(Error::InvalidData(
-                    "Calendar object can only contain one main component".to_owned(),
-                ));
-            }
-        }
-        Ok(Self::Journal(main_journal, overrides))
-    }
-
-    pub fn get_first_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        match &self {
-            Self::Event(main_event, overrides) => Ok(overrides
-                .iter()
-                .chain(std::iter::once(main_event))
-                .map(super::event::EventObject::get_dtstart)
-                .collect::<Result<Vec<_>, _>>()?
-                .into_iter()
-                .flatten()
-                .min()),
-            _ => Ok(None),
-        }
-    }
-
-    pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        match &self {
-            Self::Event(main_event, overrides) => Ok(overrides
-                .iter()
-                .chain(std::iter::once(main_event))
-                .map(super::event::EventObject::get_last_occurence)
-                .collect::<Result<Vec<_>, _>>()?
-                .into_iter()
-                .flatten()
-                .max()),
-            _ => Ok(None),
-        }
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct CalendarObject {
-    data: CalendarObjectComponent,
-    properties: Vec<Property>,
-    id: String,
-    ics: String,
-    vtimezones: HashMap<String, IcalTimeZone>,
-}
-
-impl CalendarObject {
-    pub fn from_ics(ics: String, id: Option<String>) -> Result<Self, Error> {
-        let mut parser = ical::IcalParser::new(BufReader::new(ics.as_bytes()));
-        let cal = parser.next().ok_or(Error::MissingCalendar)??;
-        if parser.next().is_some() {
-            return Err(Error::InvalidData(
-                "multiple calendars, only one allowed".to_owned(),
-            ));
-        }
-
-        if u8::from(!cal.events.is_empty())
-            + u8::from(!cal.todos.is_empty())
-            + u8::from(!cal.journals.is_empty())
-            + u8::from(!cal.free_busys.is_empty())
-            != 1
-        {
-            // https://datatracker.ietf.org/doc/html/rfc4791#section-4.1
-            return Err(Error::InvalidData(
-                "iCalendar object must have exactly one component type".to_owned(),
-            ));
-        }
-
-        let timezones: HashMap<String, Option<chrono_tz::Tz>> = cal
-            .timezones
-            .clone()
-            .into_iter()
-            .map(|timezone| (timezone.get_tzid().to_owned(), (&timezone).try_into().ok()))
-            .collect();
-
-        let vtimezones = cal
-            .timezones
-            .clone()
-            .into_iter()
-            .map(|timezone| (timezone.get_tzid().to_owned(), timezone))
-            .collect();
-
-        let data = if !cal.events.is_empty() {
-            CalendarObjectComponent::from_events(
-                cal.events
-                    .into_iter()
-                    .map(|event| EventObject {
-                        event,
-                        timezones: timezones.clone(),
-                    })
-                    .collect(),
-            )?
-        } else if !cal.todos.is_empty() {
-            CalendarObjectComponent::from_todos(cal.todos)?
-        } else if !cal.journals.is_empty() {
-            CalendarObjectComponent::from_journals(cal.journals)?
-        } else {
-            return Err(Error::InvalidData(
-                "iCalendar component type not supported :(".to_owned(),
-            ));
-        };
-
-        Ok(Self {
-            id: id.unwrap_or_else(|| data.get_uid().to_owned()),
-            data,
-            properties: cal.properties,
-            ics,
-            vtimezones,
-        })
-    }
-
-    #[must_use]
-    pub const fn get_vtimezones(&self) -> &HashMap<String, IcalTimeZone> {
-        &self.vtimezones
-    }
-
-    #[must_use]
-    pub const fn get_data(&self) -> &CalendarObjectComponent {
-        &self.data
-    }
-
-    #[must_use]
-    pub fn get_uid(&self) -> &str {
-        self.data.get_uid()
-    }
-
-    #[must_use]
-    pub fn get_id(&self) -> &str {
-        &self.id
-    }
-
-    #[must_use]
-    pub fn get_etag(&self) -> String {
-        let mut hasher = Sha256::new();
-        hasher.update(self.get_uid());
-        hasher.update(self.get_ics());
-        format!("\"{:x}\"", hasher.finalize())
-    }
-
-    #[must_use]
-    pub fn get_ics(&self) -> &str {
-        &self.ics
-    }
-
-    #[must_use]
-    pub fn get_component_name(&self) -> &str {
-        self.get_object_type().as_str()
-    }
-
-    #[must_use]
-    pub fn get_object_type(&self) -> CalendarObjectType {
-        (&self.data).into()
-    }
-
-    pub fn get_first_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        self.data.get_first_occurence()
-    }
-
-    pub fn get_last_occurence(&self) -> Result<Option<CalDateTime>, Error> {
-        self.data.get_last_occurence()
-    }
-
-    pub fn expand_recurrence(
-        &self,
-        start: Option<DateTime<Utc>>,
-        end: Option<DateTime<Utc>>,
-    ) -> Result<String, Error> {
-        // Only events can be expanded
-        match &self.data {
-            CalendarObjectComponent::Event(main_event, overrides) => {
-                let cal = IcalCalendar {
-                    properties: self.properties.clone(),
-                    events: main_event.expand_recurrence(start, end, overrides)?,
-                    ..Default::default()
-                };
-                Ok(cal.generate())
-            }
-            _ => Ok(self.get_ics().to_string()),
-        }
-    }
-
-    #[must_use]
-    pub fn get_property(&self, name: &str) -> Option<&Property> {
-        self.properties
-            .iter()
-            .find(|property| property.name == name)
-    }
-
-    #[must_use]
-    pub fn get_named_properties(&self, name: &str) -> Vec<&Property> {
-        self.properties
-            .iter()
-            .filter(|property| property.name == name)
-            .collect()
-    }
-}

crates/ical/src/lib.rs

@@ -1,15 +1,13 @@
 #![warn(clippy::all, clippy::pedantic, clippy::nursery)]
 #![allow(clippy::missing_errors_doc, clippy::missing_panics_doc)]
 mod timestamp;
-mod timezone;
+use ical::parser::ParserError;
 pub use timestamp::*;
-pub use timezone::*;
 
-mod icalendar;
-pub use icalendar::*;
-
-mod error;
-pub use error::Error;
+mod calendar_object;
+pub use calendar_object::*;
 
 mod address_object;
 pub use address_object::AddressObject;
+
+pub type Error = ParserError;

crates/ical/src/timestamp.rs

@@ -1,35 +1,8 @@
-use super::timezone::ICalTimezone;
-use chrono::{DateTime, Datelike, Duration, Local, NaiveDate, NaiveDateTime, NaiveTime, Utc};
-use chrono_tz::Tz;
+use chrono::{DateTime, NaiveDateTime, Utc};
 use derive_more::derive::Deref;
-use ical::property::Property;
 use rustical_xml::{ValueDeserialize, ValueSerialize};
-use std::{borrow::Cow, collections::HashMap, ops::Add, sync::LazyLock};
 
-static RE_VCARD_DATE_MM_DD: LazyLock<regex::Regex> =
-    LazyLock::new(|| regex::Regex::new(r"^--(?<m>\d{2})(?<d>\d{2})$").unwrap());
-
-const LOCAL_DATE_TIME: &str = "%Y%m%dT%H%M%S";
 const UTC_DATE_TIME: &str = "%Y%m%dT%H%M%SZ";
-pub const LOCAL_DATE: &str = "%Y%m%d";
-
-#[derive(Debug, thiserror::Error, PartialEq, Eq)]
-pub enum CalDateTimeError {
-    #[error(
-        "Timezone has X-LIC-LOCATION property to specify a timezone from the Olson database, however its value {0} is invalid"
-    )]
-    InvalidOlson(String),
-    #[error("TZID {0} does not refer to a valid timezone")]
-    InvalidTZID(String),
-    #[error("Timestamp doesn't exist because of gap in local time")]
-    LocalTimeGap,
-    #[error("Datetime string {0} has an invalid format")]
-    InvalidDatetimeFormat(String),
-    #[error("Could not parse datetime {0}")]
-    ParseError(String),
-    #[error("Duration string {0} has an invalid format")]
-    InvalidDurationFormat(String),
-}
 
 #[derive(Debug, Clone, Deref, PartialEq, Eq, Hash)]
 pub struct UtcDateTime(pub DateTime<Utc>);
@@ -54,367 +27,3 @@ impl ValueSerialize for UtcDateTime {
         format!("{}", self.0.format(UTC_DATE_TIME))
     }
 }
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CalDateTime {
-    // Form 1, example: 19980118T230000 -> Local
-    // Form 2, example: 19980119T070000Z -> UTC
-    // Form 3, example: TZID=America/New_York:19980119T020000 -> Olson
-    // https://en.wikipedia.org/wiki/Tz_database
-    DateTime(DateTime<ICalTimezone>),
-    Date(NaiveDate, ICalTimezone),
-}
-
-impl From<CalDateTime> for DateTime<rrule::Tz> {
-    fn from(value: CalDateTime) -> Self {
-        value
-            .as_datetime()
-            .into_owned()
-            .with_timezone(&value.timezone().into())
-    }
-}
-
-impl From<DateTime<rrule::Tz>> for CalDateTime {
-    fn from(value: DateTime<rrule::Tz>) -> Self {
-        Self::DateTime(value.with_timezone(&value.timezone().into()))
-    }
-}
-
-impl PartialOrd for CalDateTime {
-    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        Some(self.cmp(other))
-    }
-}
-
-impl Ord for CalDateTime {
-    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        match (&self, &other) {
-            (Self::DateTime(a), Self::DateTime(b)) => a.cmp(b),
-            (Self::DateTime(a), Self::Date(..)) => a.cmp(&other.as_datetime()),
-            (Self::Date(..), Self::DateTime(b)) => self.as_datetime().as_ref().cmp(b),
-            (Self::Date(..), Self::Date(..)) => self.as_datetime().cmp(&other.as_datetime()),
-        }
-    }
-}
-
-impl From<DateTime<Local>> for CalDateTime {
-    fn from(value: DateTime<Local>) -> Self {
-        Self::DateTime(value.with_timezone(&ICalTimezone::Local))
-    }
-}
-
-impl From<DateTime<Utc>> for CalDateTime {
-    fn from(value: DateTime<Utc>) -> Self {
-        Self::DateTime(value.with_timezone(&ICalTimezone::Olson(chrono_tz::UTC)))
-    }
-}
-
-impl Add<Duration> for CalDateTime {
-    type Output = Self;
-
-    fn add(self, duration: Duration) -> Self::Output {
-        match self {
-            Self::DateTime(datetime) => Self::DateTime(datetime + duration),
-            Self::Date(date, tz) => Self::DateTime(
-                date.and_time(NaiveTime::default())
-                    .and_local_timezone(tz)
-                    .earliest()
-                    .expect("Local timezone has constant offset")
-                    + duration,
-            ),
-        }
-    }
-}
-
-impl CalDateTime {
-    pub fn parse_prop(
-        prop: &Property,
-        timezones: &HashMap<String, Option<chrono_tz::Tz>>,
-    ) -> Result<Self, CalDateTimeError> {
-        let prop_value = prop
-            .value
-            .as_ref()
-            .ok_or_else(|| CalDateTimeError::InvalidDatetimeFormat("empty property".into()))?;
-
-        let timezone = if let Some(tzid) = prop.get_param("TZID") {
-            if let Some(timezone) = timezones.get(tzid) {
-                timezone.to_owned()
-            } else {
-                // TZID refers to timezone that does not exist
-                return Err(CalDateTimeError::InvalidTZID(tzid.to_string()));
-            }
-        } else {
-            // No explicit timezone specified.
-            // This is valid and will be localtime or UTC depending on the value
-            // We will stick to this default as documented in https://github.com/lennart-k/rustical/issues/102
-            None
-        };
-
-        Self::parse(prop_value, timezone)
-    }
-
-    #[must_use]
-    pub fn format(&self) -> String {
-        match self {
-            Self::DateTime(datetime) => match datetime.timezone() {
-                ICalTimezone::Olson(chrono_tz::UTC) => datetime.format(UTC_DATE_TIME).to_string(),
-                _ => datetime.format(LOCAL_DATE_TIME).to_string(),
-            },
-            Self::Date(date, _) => date.format(LOCAL_DATE).to_string(),
-        }
-    }
-
-    #[must_use]
-    pub fn format_date(&self) -> String {
-        match self {
-            Self::DateTime(datetime) => datetime.format(LOCAL_DATE).to_string(),
-            Self::Date(date, _) => date.format(LOCAL_DATE).to_string(),
-        }
-    }
-
-    #[must_use]
-    pub fn date(&self) -> NaiveDate {
-        match self {
-            Self::DateTime(datetime) => datetime.date_naive(),
-            Self::Date(date, _) => date.to_owned(),
-        }
-    }
-
-    #[must_use]
-    pub const fn is_date(&self) -> bool {
-        matches!(&self, Self::Date(_, _))
-    }
-
-    #[must_use]
-    pub fn as_datetime(&self) -> Cow<'_, DateTime<ICalTimezone>> {
-        match self {
-            Self::DateTime(datetime) => Cow::Borrowed(datetime),
-            Self::Date(date, tz) => Cow::Owned(
-                date.and_time(NaiveTime::default())
-                    .and_local_timezone(tz.to_owned())
-                    .earliest()
-                    .expect("Midnight always exists"),
-            ),
-        }
-    }
-
-    pub fn parse(value: &str, timezone: Option<Tz>) -> Result<Self, CalDateTimeError> {
-        if let Ok(datetime) = NaiveDateTime::parse_from_str(value, LOCAL_DATE_TIME) {
-            if let Some(timezone) = timezone {
-                return Ok(Self::DateTime(
-                    datetime
-                        .and_local_timezone(timezone.into())
-                        .earliest()
-                        .ok_or(CalDateTimeError::LocalTimeGap)?,
-                ));
-            }
-            return Ok(Self::DateTime(
-                datetime
-                    .and_local_timezone(ICalTimezone::Local)
-                    .earliest()
-                    .ok_or(CalDateTimeError::LocalTimeGap)?,
-            ));
-        }
-
-        if let Ok(datetime) = NaiveDateTime::parse_from_str(value, UTC_DATE_TIME) {
-            return Ok(datetime.and_utc().into());
-        }
-        let timezone = timezone.map_or(ICalTimezone::Local, ICalTimezone::Olson);
-        if let Ok(date) = NaiveDate::parse_from_str(value, LOCAL_DATE) {
-            return Ok(Self::Date(date, timezone));
-        }
-
-        if let Ok(date) = NaiveDate::parse_from_str(value, "%Y-%m-%d") {
-            return Ok(Self::Date(date, timezone));
-        }
-        if let Ok(date) = NaiveDate::parse_from_str(value, "%Y%m%d") {
-            return Ok(Self::Date(date, timezone));
-        }
-
-        Err(CalDateTimeError::InvalidDatetimeFormat(value.to_string()))
-    }
-
-    // Also returns whether the date contains a year
-    pub fn parse_vcard(value: &str) -> Result<(Self, bool), CalDateTimeError> {
-        if let Ok(datetime) = Self::parse(value, None) {
-            return Ok((datetime, true));
-        }
-
-        if let Some(captures) = RE_VCARD_DATE_MM_DD.captures(value) {
-            // Because 1972 is a leap year
-            let year = 1972;
-            // Cannot fail because of the regex
-            let month = captures.name("m").unwrap().as_str().parse().ok().unwrap();
-            let day = captures.name("d").unwrap().as_str().parse().ok().unwrap();
-
-            return Ok((
-                Self::Date(
-                    NaiveDate::from_ymd_opt(year, month, day)
-                        .ok_or_else(|| CalDateTimeError::ParseError(value.to_string()))?,
-                    ICalTimezone::Local,
-                ),
-                false,
-            ));
-        }
-        Err(CalDateTimeError::InvalidDatetimeFormat(value.to_string()))
-    }
-
-    #[must_use]
-    pub fn utc(&self) -> DateTime<Utc> {
-        self.as_datetime().to_utc()
-    }
-
-    #[must_use]
-    pub fn timezone(&self) -> ICalTimezone {
-        match &self {
-            Self::DateTime(datetime) => datetime.timezone(),
-            Self::Date(_, tz) => tz.to_owned(),
-        }
-    }
-}
-
-impl From<CalDateTime> for DateTime<Utc> {
-    fn from(value: CalDateTime) -> Self {
-        value.utc()
-    }
-}
-
-impl Datelike for CalDateTime {
-    fn year(&self) -> i32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.year(),
-            Self::Date(date, _) => date.year(),
-        }
-    }
-    fn month(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.month(),
-            Self::Date(date, _) => date.month(),
-        }
-    }
-
-    fn month0(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.month0(),
-            Self::Date(date, _) => date.month0(),
-        }
-    }
-    fn day(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.day(),
-            Self::Date(date, _) => date.day(),
-        }
-    }
-    fn day0(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.day0(),
-            Self::Date(date, _) => date.day0(),
-        }
-    }
-    fn ordinal(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.ordinal(),
-            Self::Date(date, _) => date.ordinal(),
-        }
-    }
-    fn ordinal0(&self) -> u32 {
-        match &self {
-            Self::DateTime(datetime) => datetime.ordinal0(),
-            Self::Date(date, _) => date.ordinal0(),
-        }
-    }
-    fn weekday(&self) -> chrono::Weekday {
-        match &self {
-            Self::DateTime(datetime) => datetime.weekday(),
-            Self::Date(date, _) => date.weekday(),
-        }
-    }
-    fn iso_week(&self) -> chrono::IsoWeek {
-        match &self {
-            Self::DateTime(datetime) => datetime.iso_week(),
-            Self::Date(date, _) => date.iso_week(),
-        }
-    }
-    fn with_year(&self, year: i32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_year(year)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_year(year)?, tz.to_owned())),
-        }
-    }
-    fn with_month(&self, month: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_month(month)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_month(month)?, tz.to_owned())),
-        }
-    }
-    fn with_month0(&self, month0: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_month0(month0)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_month0(month0)?, tz.to_owned())),
-        }
-    }
-    fn with_day(&self, day: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_day(day)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_day(day)?, tz.to_owned())),
-        }
-    }
-    fn with_day0(&self, day0: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_day0(day0)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_day0(day0)?, tz.to_owned())),
-        }
-    }
-    fn with_ordinal(&self, ordinal: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_ordinal(ordinal)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_ordinal(ordinal)?, tz.to_owned())),
-        }
-    }
-    fn with_ordinal0(&self, ordinal0: u32) -> Option<Self> {
-        match &self {
-            Self::DateTime(datetime) => Some(Self::DateTime(datetime.with_ordinal0(ordinal0)?)),
-            Self::Date(date, tz) => Some(Self::Date(date.with_ordinal0(ordinal0)?, tz.to_owned())),
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::CalDateTime;
-    use chrono::NaiveDate;
-
-    #[test]
-    fn test_vcard_date() {
-        assert_eq!(
-            CalDateTime::parse_vcard("19850412").unwrap(),
-            (
-                CalDateTime::Date(
-                    NaiveDate::from_ymd_opt(1985, 4, 12).unwrap(),
-                    crate::ICalTimezone::Local
-                ),
-                true
-            )
-        );
-        assert_eq!(
-            CalDateTime::parse_vcard("1985-04-12").unwrap(),
-            (
-                CalDateTime::Date(
-                    NaiveDate::from_ymd_opt(1985, 4, 12).unwrap(),
-                    crate::ICalTimezone::Local
-                ),
-                true
-            )
-        );
-        assert_eq!(
-            CalDateTime::parse_vcard("--0412").unwrap(),
-            (
-                CalDateTime::Date(
-                    NaiveDate::from_ymd_opt(1972, 4, 12).unwrap(),
-                    crate::ICalTimezone::Local
-                ),
-                false
-            )
-        );
-    }
-}

crates/ical/src/timezone.rs

@@ -1,92 +0,0 @@
-use chrono::{Local, NaiveDate, NaiveDateTime, TimeZone};
-use chrono_tz::Tz;
-use derive_more::{Display, From};
-
-#[derive(Debug, Clone, From, PartialEq, Eq)]
-pub enum ICalTimezone {
-    Local,
-    Olson(Tz),
-}
-
-impl From<ICalTimezone> for rrule::Tz {
-    fn from(value: ICalTimezone) -> Self {
-        match value {
-            ICalTimezone::Local => Self::LOCAL,
-            ICalTimezone::Olson(tz) => Self::Tz(tz),
-        }
-    }
-}
-
-impl From<rrule::Tz> for ICalTimezone {
-    fn from(value: rrule::Tz) -> Self {
-        match value {
-            rrule::Tz::Local(_) => Self::Local,
-            rrule::Tz::Tz(tz) => Self::Olson(tz),
-        }
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Display)]
-pub enum CalTimezoneOffset {
-    Local(chrono::FixedOffset),
-    Olson(chrono_tz::TzOffset),
-}
-
-impl chrono::Offset for CalTimezoneOffset {
-    fn fix(&self) -> chrono::FixedOffset {
-        match self {
-            Self::Local(local) => local.fix(),
-            Self::Olson(olson) => olson.fix(),
-        }
-    }
-}
-
-impl TimeZone for ICalTimezone {
-    type Offset = CalTimezoneOffset;
-
-    fn from_offset(offset: &Self::Offset) -> Self {
-        match offset {
-            CalTimezoneOffset::Local(_) => Self::Local,
-            CalTimezoneOffset::Olson(offset) => Self::Olson(Tz::from_offset(offset)),
-        }
-    }
-
-    fn offset_from_local_date(&self, local: &NaiveDate) -> chrono::MappedLocalTime<Self::Offset> {
-        match self {
-            Self::Local => Local
-                .offset_from_local_date(local)
-                .map(CalTimezoneOffset::Local),
-            Self::Olson(tz) => tz
-                .offset_from_local_date(local)
-                .map(CalTimezoneOffset::Olson),
-        }
-    }
-
-    fn offset_from_local_datetime(
-        &self,
-        local: &NaiveDateTime,
-    ) -> chrono::MappedLocalTime<Self::Offset> {
-        match self {
-            Self::Local => Local
-                .offset_from_local_datetime(local)
-                .map(CalTimezoneOffset::Local),
-            Self::Olson(tz) => tz
-                .offset_from_local_datetime(local)
-                .map(CalTimezoneOffset::Olson),
-        }
-    }
-
-    fn offset_from_utc_datetime(&self, utc: &NaiveDateTime) -> Self::Offset {
-        match self {
-            Self::Local => CalTimezoneOffset::Local(Local.offset_from_utc_datetime(utc)),
-            Self::Olson(tz) => CalTimezoneOffset::Olson(tz.offset_from_utc_datetime(utc)),
-        }
-    }
-
-    fn offset_from_utc_date(&self, utc: &NaiveDate) -> Self::Offset {
-        match self {
-            Self::Local => CalTimezoneOffset::Local(Local.offset_from_utc_date(utc)),
-            Self::Olson(tz) => CalTimezoneOffset::Olson(tz.offset_from_utc_date(utc)),
-        }
-    }
-}

crates/ical/tests/test_cal_object.rs

@@ -25,6 +25,6 @@ END:VCALENDAR
 
 #[test]
 fn parse_calendar_object() {
-    let object = CalendarObject::from_ics(MULTI_VEVENT.to_string(), None).unwrap();
-    object.expand_recurrence(None, None).unwrap();
+    let object = CalendarObject::from_ics(MULTI_VEVENT.to_string()).unwrap();
+    object.get_inner().expand_recurrence(None, None);
 }

crates/store/src/addressbook_store.rs

@@ -15,8 +15,8 @@ pub trait AddressbookStore: Send + Sync + 'static {
 
     async fn update_addressbook(
         &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
         addressbook: Addressbook,
     ) -> Result<(), Error>;
     async fn insert_addressbook(&self, addressbook: Addressbook) -> Result<(), Error>;
@@ -33,7 +33,7 @@ pub trait AddressbookStore: Send + Sync + 'static {
         principal: &str,
         addressbook_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<AddressObject>, Vec<String>, i64), Error>;
+    ) -> Result<(Vec<(String, AddressObject)>, Vec<String>, i64), Error>;
 
     async fn addressbook_metadata(
         &self,
@@ -45,7 +45,7 @@ pub trait AddressbookStore: Send + Sync + 'static {
         &self,
         principal: &str,
         addressbook_id: &str,
-    ) -> Result<Vec<AddressObject>, Error>;
+    ) -> Result<Vec<(String, AddressObject)>, Error>;
     async fn get_object(
         &self,
         principal: &str,
@@ -55,8 +55,9 @@ pub trait AddressbookStore: Send + Sync + 'static {
     ) -> Result<AddressObject, Error>;
     async fn put_object(
         &self,
-        principal: String,
-        addressbook_id: String,
+        principal: &str,
+        addressbook_id: &str,
+        object_id: &str,
         object: AddressObject,
         overwrite: bool,
     ) -> Result<(), Error>;
@@ -77,7 +78,7 @@ pub trait AddressbookStore: Send + Sync + 'static {
     async fn import_addressbook(
         &self,
         addressbook: Addressbook,
-        objects: Vec<AddressObject>,
+        objects: Vec<(String, AddressObject)>,
         merge_existing: bool,
     ) -> Result<(), Error>;
 }

crates/store/src/calendar_store.rs

@@ -22,8 +22,8 @@ pub trait CalendarStore: Send + Sync + 'static {
 
     async fn update_calendar(
         &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
         calendar: Calendar,
     ) -> Result<(), Error>;
     async fn insert_calendar(&self, calendar: Calendar) -> Result<(), Error>;
@@ -46,7 +46,7 @@ pub trait CalendarStore: Send + Sync + 'static {
         principal: &str,
         cal_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error>;
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error>;
 
     /// Since the <calendar-query> rules are rather complex this function
     /// is only meant to do some prefiltering
@@ -55,7 +55,7 @@ pub trait CalendarStore: Send + Sync + 'static {
         principal: &str,
         cal_id: &str,
         _query: CalendarQuery,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
         self.get_objects(principal, cal_id).await
     }
 
@@ -69,7 +69,7 @@ pub trait CalendarStore: Send + Sync + 'static {
         &self,
         principal: &str,
         cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error>;
+    ) -> Result<Vec<(String, CalendarObject)>, Error>;
     async fn get_object(
         &self,
         principal: &str,
@@ -79,20 +79,26 @@ pub trait CalendarStore: Send + Sync + 'static {
     ) -> Result<CalendarObject, Error>;
     async fn put_objects(
         &self,
-        principal: String,
-        cal_id: String,
-        objects: Vec<CalendarObject>,
+        principal: &str,
+        cal_id: &str,
+        objects: Vec<(String, CalendarObject)>,
         overwrite: bool,
     ) -> Result<(), Error>;
     async fn put_object(
         &self,
-        principal: String,
-        cal_id: String,
+        principal: &str,
+        cal_id: &str,
+        object_id: &str,
         object: CalendarObject,
         overwrite: bool,
     ) -> Result<(), Error> {
-        self.put_objects(principal, cal_id, vec![object], overwrite)
-            .await
+        self.put_objects(
+            principal,
+            cal_id,
+            vec![(object_id.to_owned(), object)],
+            overwrite,
+        )
+        .await
     }
     async fn delete_object(
         &self,

crates/store/src/combined_calendar_store.rs

@@ -1,5 +1,6 @@
-use crate::CalendarStore;
+use crate::{Calendar, CalendarStore, calendar_store::CalendarQuery};
 use async_trait::async_trait;
+use rustical_ical::CalendarObject;
 use std::{collections::HashMap, sync::Arc};
 
 pub trait PrefixedCalendarStore: CalendarStore {
@@ -51,11 +52,11 @@ impl CalendarStore for CombinedCalendarStore {
 
     async fn update_calendar(
         &self,
-        principal: String,
-        id: String,
-        calendar: crate::Calendar,
+        principal: &str,
+        id: &str,
+        calendar: Calendar,
     ) -> Result<(), crate::Error> {
-        self.store_for_id(&id)
+        self.store_for_id(id)
             .update_calendar(principal, id, calendar)
             .await
     }
@@ -88,7 +89,7 @@ impl CalendarStore for CombinedCalendarStore {
         principal: &str,
         cal_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<rustical_ical::CalendarObject>, Vec<String>, i64), crate::Error> {
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), crate::Error> {
         self.store_for_id(cal_id)
             .sync_changes(principal, cal_id, synctoken)
             .await
@@ -97,7 +98,7 @@ impl CalendarStore for CombinedCalendarStore {
     async fn import_calendar(
         &self,
         calendar: crate::Calendar,
-        objects: Vec<rustical_ical::CalendarObject>,
+        objects: Vec<CalendarObject>,
         merge_existing: bool,
     ) -> Result<(), crate::Error> {
         self.store_for_id(&calendar.id)
@@ -109,8 +110,8 @@ impl CalendarStore for CombinedCalendarStore {
         &self,
         principal: &str,
         cal_id: &str,
-        query: crate::calendar_store::CalendarQuery,
-    ) -> Result<Vec<rustical_ical::CalendarObject>, crate::Error> {
+        query: CalendarQuery,
+    ) -> Result<Vec<(String, CalendarObject)>, crate::Error> {
         self.store_for_id(cal_id)
             .calendar_query(principal, cal_id, query)
             .await
@@ -141,7 +142,7 @@ impl CalendarStore for CombinedCalendarStore {
         &self,
         principal: &str,
         cal_id: &str,
-    ) -> Result<Vec<rustical_ical::CalendarObject>, crate::Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, crate::Error> {
         self.store_for_id(cal_id)
             .get_objects(principal, cal_id)
             .await
@@ -149,12 +150,12 @@ impl CalendarStore for CombinedCalendarStore {
 
     async fn put_objects(
         &self,
-        principal: String,
-        cal_id: String,
-        objects: Vec<rustical_ical::CalendarObject>,
+        principal: &str,
+        cal_id: &str,
+        objects: Vec<(String, CalendarObject)>,
         overwrite: bool,
     ) -> Result<(), crate::Error> {
-        self.store_for_id(&cal_id)
+        self.store_for_id(cal_id)
             .put_objects(principal, cal_id, objects, overwrite)
             .await
     }

crates/store/src/error.rs

@@ -26,7 +26,7 @@ pub enum Error {
     Other(#[from] anyhow::Error),
 
     #[error(transparent)]
-    IcalError(#[from] rustical_ical::Error),
+    IcalError(#[from] ical::parser::ParserError),
 }
 
 impl Error {
@@ -36,7 +36,7 @@ impl Error {
             Self::NotFound => StatusCode::NOT_FOUND,
             Self::AlreadyExists => StatusCode::CONFLICT,
             Self::ReadOnly => StatusCode::FORBIDDEN,
-            Self::IcalError(err) => err.status_code(),
+            Self::IcalError(_err) => StatusCode::INTERNAL_SERVER_ERROR,
             Self::InvalidPrincipalType(_) => StatusCode::BAD_REQUEST,
             _ => StatusCode::INTERNAL_SERVER_ERROR,
         }
@@ -52,9 +52,7 @@ impl IntoResponse for Error {
     fn into_response(self) -> axum::response::Response {
         if matches!(
             self.status_code(),
-            StatusCode::INTERNAL_SERVER_ERROR
-                | StatusCode::PRECONDITION_FAILED
-                | StatusCode::CONFLICT
+            StatusCode::INTERNAL_SERVER_ERROR | StatusCode::CONFLICT
         ) {
             error!("{self}");
         }

crates/store_sqlite/Cargo.toml

@@ -20,6 +20,7 @@ rstest.workspace = true
 criterion.workspace = true
 
 [dependencies]
+ical.workspace = true
 tokio.workspace = true
 rustical_store.workspace = true
 async-trait.workspace = true
@@ -36,3 +37,4 @@ pbkdf2.workspace = true
 rustical_ical.workspace = true
 rstest = { workspace = true, optional = true }
 sha2.workspace = true
+regex.workspace = true

crates/store_sqlite/benches/insert_calendar_object.rs

@@ -34,16 +34,19 @@ fn benchmark(c: &mut Criterion) {
         cal_store
     });
 
-    let object = CalendarObject::from_ics(include_str!("ical_event.ics").to_owned(), None).unwrap();
+    let row = (
+        "asd".to_owned(),
+        CalendarObject::from_ics(include_str!("ical_event.ics").to_owned()).unwrap(),
+    );
 
     let batch_size = 1000;
-    let objects: Vec<_> = std::iter::repeat_n(object.clone(), batch_size).collect();
+    let objects: Vec<_> = std::iter::repeat_n(row.clone(), batch_size).collect();
 
     c.bench_function("put_batch", |b| {
         b.to_async(&runtime).iter(async || {
             // yeet
             cal_store
-                .put_objects("user".to_owned(), "okwow".to_owned(), objects.clone(), true)
+                .put_objects("user", "okwow", objects.clone(), true)
                 .await
                 .unwrap();
         });
@@ -54,7 +57,7 @@ fn benchmark(c: &mut Criterion) {
             // yeet
             for _ in 0..1000 {
                 cal_store
-                    .put_object("user".to_owned(), "okwow".to_owned(), object.clone(), true)
+                    .put_object("user", "okwow", &row.0, row.1.clone(), true)
                     .await
                     .unwrap();
             }

crates/store_sqlite/src/addressbook_store/birthday_calendar.rs

@@ -1,14 +1,13 @@
 use crate::addressbook_store::SqliteAddressbookStore;
 use async_trait::async_trait;
 use chrono::NaiveDateTime;
-use rustical_ical::{AddressObject, CalendarObject, CalendarObjectType};
+use rustical_ical::{CalendarObject, CalendarObjectType};
 use rustical_store::{
     Addressbook, AddressbookStore, Calendar, CalendarMetadata, CalendarStore, CollectionMetadata,
     Error, PrefixedCalendarStore,
 };
 use sha2::{Digest, Sha256};
 use sqlx::{Executor, Sqlite};
-use std::collections::HashMap;
 use tracing::instrument;
 
 pub const BIRTHDAYS_PREFIX: &str = "_birthdays_";
@@ -269,17 +268,18 @@ impl CalendarStore for SqliteAddressbookStore {
     #[instrument]
     async fn update_calendar(
         &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
         mut calendar: Calendar,
     ) -> Result<(), Error> {
+        assert_eq!(principal, calendar.principal);
         assert_eq!(id, calendar.id);
         calendar.id = calendar
             .id
             .strip_prefix(BIRTHDAYS_PREFIX)
             .ok_or(Error::NotFound)?
             .to_string();
-        Self::_update_birthday_calendar(&self.db, &principal, &calendar).await
+        Self::_update_birthday_calendar(&self.db, principal, &calendar).await
     }
 
     #[instrument]
@@ -324,19 +324,35 @@ impl CalendarStore for SqliteAddressbookStore {
         principal: &str,
         cal_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error> {
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error> {
         let cal_id = cal_id
             .strip_prefix(BIRTHDAYS_PREFIX)
             .ok_or(Error::NotFound)?;
         let (objects, deleted_objects, new_synctoken) =
             AddressbookStore::sync_changes(self, principal, cal_id, synctoken).await?;
-        let objects: Result<Vec<Option<CalendarObject>>, rustical_ical::Error> = objects
-            .iter()
-            .map(AddressObject::get_birthday_object)
-            .collect();
-        let objects = objects?.into_iter().flatten().collect();
 
-        Ok((objects, deleted_objects, new_synctoken))
+        let mut out_objects = vec![];
+
+        for (object_id, object) in objects {
+            if let Some(birthday) = object.get_birthday_object()? {
+                out_objects.push((format!("{object_id}-birthday"), birthday));
+            }
+            if let Some(anniversary) = object.get_anniversary_object()? {
+                out_objects.push((format!("{object_id}-anniversayr"), anniversary));
+            }
+        }
+
+        let deleted_objects = deleted_objects
+            .into_iter()
+            .flat_map(|object_id| {
+                [
+                    format!("{object_id}-birthday"),
+                    format!("{object_id}-anniversary"),
+                ]
+            })
+            .collect();
+
+        Ok((out_objects, deleted_objects, new_synctoken))
     }
 
     #[instrument]
@@ -356,21 +372,19 @@ impl CalendarStore for SqliteAddressbookStore {
         &self,
         principal: &str,
         cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
+        let mut objects = vec![];
         let cal_id = cal_id
             .strip_prefix(BIRTHDAYS_PREFIX)
             .ok_or(Error::NotFound)?;
-        let objects: Result<Vec<HashMap<&'static str, CalendarObject>>, rustical_ical::Error> =
-            AddressbookStore::get_objects(self, principal, cal_id)
-                .await?
-                .iter()
-                .map(AddressObject::get_significant_dates)
-                .collect();
-        let objects = objects?
-            .into_iter()
-            .flat_map(HashMap::into_values)
-            .collect();
-
+        for (object_id, object) in AddressbookStore::get_objects(self, principal, cal_id).await? {
+            if let Some(birthday) = object.get_birthday_object()? {
+                objects.push((format!("{object_id}-birthday"), birthday));
+            }
+            if let Some(anniversary) = object.get_anniversary_object()? {
+                objects.push((format!("{object_id}-anniversayr"), anniversary));
+            }
+        }
         Ok(objects)
     }
 
@@ -386,19 +400,22 @@ impl CalendarStore for SqliteAddressbookStore {
             .strip_prefix(BIRTHDAYS_PREFIX)
             .ok_or(Error::NotFound)?;
         let (addressobject_id, date_type) = object_id.rsplit_once('-').ok_or(Error::NotFound)?;
-        AddressbookStore::get_object(self, principal, cal_id, addressobject_id, show_deleted)
-            .await?
-            .get_significant_dates()?
-            .remove(date_type)
-            .ok_or(Error::NotFound)
+        let obj =
+            AddressbookStore::get_object(self, principal, cal_id, addressobject_id, show_deleted)
+                .await?;
+        match date_type {
+            "birthday" => Ok(obj.get_birthday_object()?.ok_or(Error::NotFound)?),
+            "anniversary" => Ok(obj.get_anniversary_object()?.ok_or(Error::NotFound)?),
+            _ => Err(Error::NotFound),
+        }
     }
 
     #[instrument]
     async fn put_objects(
         &self,
-        _principal: String,
-        _cal_id: String,
-        _objects: Vec<CalendarObject>,
+        _principal: &str,
+        _cal_id: &str,
+        _objects: Vec<(String, CalendarObject)>,
         _overwrite: bool,
     ) -> Result<(), Error> {
         Err(Error::ReadOnly)

crates/store_sqlite/src/addressbook_store/mod.rs

@@ -2,6 +2,7 @@ use super::ChangeOperation;
 use crate::BEGIN_IMMEDIATE;
 use async_trait::async_trait;
 use derive_more::derive::Constructor;
+use ical::parser::ParserError;
 use rustical_ical::AddressObject;
 use rustical_store::{
     Addressbook, AddressbookStore, CollectionMetadata, CollectionOperation,
@@ -9,7 +10,7 @@ use rustical_store::{
 };
 use sqlx::{Acquire, Executor, Sqlite, SqlitePool, Transaction};
 use tokio::sync::mpsc::Sender;
-use tracing::{error_span, instrument, warn};
+use tracing::{error, error_span, instrument, warn};
 
 pub mod birthday_calendar;
 
@@ -18,12 +19,18 @@ struct AddressObjectRow {
     id: String,
     vcf: String,
 }
+impl From<AddressObjectRow> for (String, Result<AddressObject, ParserError>) {
+    fn from(row: AddressObjectRow) -> Self {
+        let result = AddressObject::from_vcf(row.vcf);
+        (row.id, result)
+    }
+}
 
-impl TryFrom<AddressObjectRow> for AddressObject {
+impl TryFrom<AddressObjectRow> for (String, AddressObject) {
     type Error = rustical_store::Error;
 
     fn try_from(value: AddressObjectRow) -> Result<Self, Self::Error> {
-        Ok(Self::from_vcf(value.id, value.vcf)?)
+        Ok((value.id, AddressObject::from_vcf(value.vcf)?))
     }
 }
 
@@ -31,6 +38,7 @@ impl TryFrom<AddressObjectRow> for AddressObject {
 pub struct SqliteAddressbookStore {
     db: SqlitePool,
     sender: Sender<CollectionOperation>,
+    skip_broken: bool,
 }
 
 impl SqliteAddressbookStore {
@@ -88,6 +96,36 @@ impl SqliteAddressbookStore {
         Ok(())
     }
 
+    #[allow(clippy::missing_panics_doc)]
+    pub async fn validate_objects(&self, principal: &str) -> Result<(), Error> {
+        let mut success = true;
+        for addressbook in self.get_addressbooks(principal).await? {
+            for (object_id, res) in Self::_get_objects(&self.db, principal, &addressbook.id).await?
+            {
+                if let Err(err) = res {
+                    warn!(
+                        "Invalid address object found at {principal}/{addr_id}/{object_id}.vcf. Error: {err}",
+                        addr_id = addressbook.id
+                    );
+                    success = false;
+                }
+            }
+        }
+        if !success {
+            if self.skip_broken {
+                error!(
+                    "Not all address objects are valid. Since data_store.sqlite.skip_broken=true they will be hidden. You are still advised to manually remove or repair the object. If you need help feel free to open up an issue on GitHub."
+                );
+            } else {
+                error!(
+                    "Not all address objects are valid. Since data_store.sqlite.skip_broken=false this causes a panic. Remove or repair the broken objects manually or set data_store.sqlite.skip_broken=false as a temporary solution to ignore the error. If you need help feel free to open up an issue on GitHub."
+                );
+                panic!();
+            }
+        }
+        Ok(())
+    }
+
     // Logs an operation to an address object
     async fn log_object_operation(
         tx: &mut Transaction<'_, Sqlite>,
@@ -134,7 +172,7 @@ impl SqliteAddressbookStore {
         if let Err(err) = self.sender.try_send(CollectionOperation { topic, data }) {
             error_span!(
                 "Error trying to send addressbook update notification:",
-                err = format!("{err:?}"),
+                err = format!("{err}"),
             );
         }
     }
@@ -290,7 +328,7 @@ impl SqliteAddressbookStore {
         principal: &str,
         addressbook_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<AddressObject>, Vec<String>, i64), rustical_store::Error> {
+    ) -> Result<(Vec<(String, AddressObject)>, Vec<String>, i64), rustical_store::Error> {
         struct Row {
             object_id: String,
             synctoken: i64,
@@ -318,7 +356,7 @@ impl SqliteAddressbookStore {
         for Row { object_id, .. } in changes {
             match Self::_get_object(&mut *conn, principal, addressbook_id, &object_id, false).await
             {
-                Ok(object) => objects.push(object),
+                Ok(object) => objects.push((object_id, object)),
                 Err(rustical_store::Error::NotFound) => deleted_objects.push(object_id),
                 Err(err) => return Err(err),
             }
@@ -353,8 +391,8 @@ impl SqliteAddressbookStore {
         executor: E,
         principal: &str,
         addressbook_id: &str,
-    ) -> Result<Vec<AddressObject>, rustical_store::Error> {
-        sqlx::query_as!(
+    ) -> Result<impl Iterator<Item = (String, Result<AddressObject, ParserError>)>, Error> {
+        Ok(sqlx::query_as!(
             AddressObjectRow,
             "SELECT id, vcf FROM addressobjects WHERE principal = ? AND addressbook_id = ? AND deleted_at IS NULL",
             principal,
@@ -363,8 +401,8 @@ impl SqliteAddressbookStore {
         .fetch_all(executor)
         .await.map_err(crate::Error::from)?
         .into_iter()
-        .map(std::convert::TryInto::try_into)
-        .collect()
+        .map(Into::into)
+        )
     }
 
     async fn _get_object<'e, E: Executor<'e, Database = Sqlite>>(
@@ -374,7 +412,7 @@ impl SqliteAddressbookStore {
         object_id: &str,
         show_deleted: bool,
     ) -> Result<AddressObject, rustical_store::Error> {
-        sqlx::query_as!(
+        let (id, object) = sqlx::query_as!(
             AddressObjectRow,
             "SELECT id, vcf FROM addressobjects WHERE (principal, addressbook_id, id) = (?, ?, ?) AND ((deleted_at IS NULL) OR ?)",
             principal,
@@ -385,17 +423,20 @@ impl SqliteAddressbookStore {
         .fetch_one(executor)
         .await
         .map_err(crate::Error::from)?
-        .try_into()
+        .try_into()?;
+        assert_eq!(id, object_id);
+        Ok(object)
     }
 
     async fn _put_object<'e, E: Executor<'e, Database = Sqlite>>(
         executor: E,
         principal: &str,
         addressbook_id: &str,
+        object_id: &str,
         object: &AddressObject,
         overwrite: bool,
     ) -> Result<(), rustical_store::Error> {
-        let (object_id, vcf) = (object.get_id(), object.get_vcf());
+        let vcf = object.get_vcf();
 
         (if overwrite {
             sqlx::query!(
@@ -500,11 +541,13 @@ impl AddressbookStore for SqliteAddressbookStore {
     #[instrument]
     async fn update_addressbook(
         &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
         addressbook: Addressbook,
     ) -> Result<(), rustical_store::Error> {
-        Self::_update_addressbook(&self.db, &principal, &id, &addressbook).await
+        assert_eq!(principal, &addressbook.principal);
+        assert_eq!(id, &addressbook.id);
+        Self::_update_addressbook(&self.db, principal, id, &addressbook).await
     }
 
     #[instrument]
@@ -569,7 +612,7 @@ impl AddressbookStore for SqliteAddressbookStore {
         principal: &str,
         addressbook_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<AddressObject>, Vec<String>, i64), rustical_store::Error> {
+    ) -> Result<(Vec<(String, AddressObject)>, Vec<String>, i64), rustical_store::Error> {
         Self::_sync_changes(&self.db, principal, addressbook_id, synctoken).await
     }
 
@@ -601,8 +644,17 @@ impl AddressbookStore for SqliteAddressbookStore {
         &self,
         principal: &str,
         addressbook_id: &str,
-    ) -> Result<Vec<AddressObject>, rustical_store::Error> {
-        Self::_get_objects(&self.db, principal, addressbook_id).await
+    ) -> Result<Vec<(String, AddressObject)>, rustical_store::Error> {
+        let objects = Self::_get_objects(&self.db, principal, addressbook_id).await?;
+        if self.skip_broken {
+            Ok(objects
+                .filter_map(|(id, res)| Some((id, res.ok()?)))
+                .collect())
+        } else {
+            Ok(objects
+                .map(|(id, res)| res.map(|obj| (id, obj)))
+                .collect::<Result<Vec<_>, _>>()?)
+        }
     }
 
     #[instrument]
@@ -619,8 +671,9 @@ impl AddressbookStore for SqliteAddressbookStore {
     #[instrument]
     async fn put_object(
         &self,
-        principal: String,
-        addressbook_id: String,
+        principal: &str,
+        addressbook_id: &str,
+        object_id: &str,
         object: AddressObject,
         overwrite: bool,
     ) -> Result<(), rustical_store::Error> {
@@ -630,15 +683,21 @@ impl AddressbookStore for SqliteAddressbookStore {
             .await
             .map_err(crate::Error::from)?;
 
-        let object_id = object.get_id().to_owned();
-
-        Self::_put_object(&mut *tx, &principal, &addressbook_id, &object, overwrite).await?;
+        Self::_put_object(
+            &mut *tx,
+            principal,
+            addressbook_id,
+            object_id,
+            &object,
+            overwrite,
+        )
+        .await?;
 
         let sync_token = Self::log_object_operation(
             &mut tx,
-            &principal,
-            &addressbook_id,
-            &object_id,
+            principal,
+            addressbook_id,
+            object_id,
             ChangeOperation::Add,
         )
         .await
@@ -648,7 +707,7 @@ impl AddressbookStore for SqliteAddressbookStore {
 
         self.send_push_notification(
             CollectionOperationInfo::Content { sync_token },
-            self.get_addressbook(&principal, &addressbook_id, false)
+            self.get_addressbook(principal, addressbook_id, false)
                 .await?
                 .push_topic,
         );
@@ -733,7 +792,7 @@ impl AddressbookStore for SqliteAddressbookStore {
     async fn import_addressbook(
         &self,
         addressbook: Addressbook,
-        objects: Vec<AddressObject>,
+        objects: Vec<(String, AddressObject)>,
         merge_existing: bool,
     ) -> Result<(), Error> {
         let mut tx = self
@@ -758,11 +817,12 @@ impl AddressbookStore for SqliteAddressbookStore {
         }
 
         let mut sync_token = None;
-        for object in objects {
+        for (object_id, object) in objects {
             Self::_put_object(
                 &mut *tx,
                 &addressbook.principal,
                 &addressbook.id,
+                &object_id,
                 &object,
                 false,
             )
@@ -773,7 +833,7 @@ impl AddressbookStore for SqliteAddressbookStore {
                     &mut tx,
                     &addressbook.principal,
                     &addressbook.id,
-                    object.get_id(),
+                    &object_id,
                     ChangeOperation::Add,
                 )
                 .await?,

crates/store_sqlite/src/calendar_store.rs

@@ -3,7 +3,10 @@ use crate::BEGIN_IMMEDIATE;
 use async_trait::async_trait;
 use chrono::TimeDelta;
 use derive_more::derive::Constructor;
-use rustical_ical::{CalDateTime, CalendarObject, CalendarObjectType};
+use ical::parser::ParserError;
+use ical::types::CalDateTime;
+use regex::Regex;
+use rustical_ical::{CalendarObject, CalendarObjectType};
 use rustical_store::calendar_store::CalendarQuery;
 use rustical_store::synctoken::format_synctoken;
 use rustical_store::{Calendar, CalendarMetadata, CalendarStore, CollectionMetadata, Error};
@@ -11,7 +14,7 @@ use rustical_store::{CollectionOperation, CollectionOperationInfo};
 use sqlx::types::chrono::NaiveDateTime;
 use sqlx::{Acquire, Executor, Sqlite, SqlitePool, Transaction};
 use tokio::sync::mpsc::Sender;
-use tracing::{error_span, instrument, warn};
+use tracing::{error, error_span, instrument, warn};
 
 #[derive(Debug, Clone)]
 struct CalendarObjectRow {
@@ -20,21 +23,37 @@ struct CalendarObjectRow {
     uid: String,
 }
 
-impl TryFrom<CalendarObjectRow> for CalendarObject {
+impl From<CalendarObjectRow> for (String, Result<CalendarObject, ParserError>) {
+    fn from(row: CalendarObjectRow) -> Self {
+        let result = CalendarObject::from_ics(row.ics).inspect(|object| {
+            if object.get_uid() != row.uid {
+                warn!(
+                    "Calendar object {}.ics: UID={} and row uid={} do not match",
+                    row.id,
+                    object.get_uid(),
+                    row.uid
+                );
+            }
+        });
+
+        (row.id, result)
+    }
+}
+
+impl TryFrom<CalendarObjectRow> for (String, CalendarObject) {
     type Error = rustical_store::Error;
 
-    fn try_from(value: CalendarObjectRow) -> Result<Self, Self::Error> {
-        let object = Self::from_ics(value.ics, Some(value.id))?;
-        if object.get_uid() != value.uid {
-            return Err(rustical_store::Error::IcalError(
-                rustical_ical::Error::InvalidData(format!(
-                    "uid={} and UID={} don't match",
-                    value.uid,
-                    object.get_uid()
-                )),
-            ));
+    fn try_from(row: CalendarObjectRow) -> Result<Self, Self::Error> {
+        let object = CalendarObject::from_ics(row.ics)?;
+        if object.get_uid() != row.uid {
+            warn!(
+                "Calendar object {}.ics: UID={} and row uid={} do not match",
+                row.id,
+                object.get_uid(),
+                row.uid
+            );
         }
-        Ok(object)
+        Ok((row.id, object))
     }
 }
 
@@ -91,6 +110,7 @@ impl From<CalendarRow> for Calendar {
 pub struct SqliteCalendarStore {
     db: SqlitePool,
     sender: Sender<CollectionOperation>,
+    skip_broken: bool,
 }
 
 impl SqliteCalendarStore {
@@ -140,11 +160,117 @@ impl SqliteCalendarStore {
         if let Err(err) = self.sender.try_send(CollectionOperation { topic, data }) {
             error_span!(
                 "Error trying to send calendar update notification:",
-                err = format!("{err:?}"),
+                err = format!("{err}"),
             );
         }
     }
 
+    #[allow(clippy::missing_panics_doc)]
+    pub async fn validate_objects(&self, principal: &str) -> Result<(), Error> {
+        let mut success = true;
+        for calendar in self.get_calendars(principal).await? {
+            for (object_id, res) in Self::_get_objects(&self.db, principal, &calendar.id).await? {
+                if let Err(err) = res {
+                    warn!(
+                        "Invalid calendar object found at {principal}/{cal_id}/{object_id}.ics. Error: {err}",
+                        cal_id = calendar.id
+                    );
+                    success = false;
+                }
+            }
+        }
+        if !success {
+            if self.skip_broken {
+                error!(
+                    "Not all calendar objects are valid. Since data_store.sqlite.skip_broken=true they will be hidden. You are still advised to manually remove or repair the object. If you need help feel free to open up an issue on GitHub."
+                );
+            } else {
+                error!(
+                    "Not all calendar objects are valid. Since data_store.sqlite.skip_broken=false this causes a panic. Remove or repair the broken objects manually or set data_store.sqlite.skip_broken=false as a temporary solution to ignore the error. If you need help feel free to open up an issue on GitHub."
+                );
+                panic!();
+            }
+        }
+        Ok(())
+    }
+
+    /// In the past exports generated objects with invalid VERSION:4.0
+    /// This repair sets them to VERSION:2.0
+    #[allow(clippy::missing_panics_doc)]
+    pub async fn repair_invalid_version_4_0(&self) -> Result<(), Error> {
+        struct Row {
+            principal: String,
+            cal_id: String,
+            id: String,
+            ics: String,
+        }
+
+        let mut tx = self
+            .db
+            .begin_with(BEGIN_IMMEDIATE)
+            .await
+            .map_err(crate::Error::from)?;
+
+        #[allow(clippy::missing_panics_doc)]
+        let version_pattern = Regex::new(r"(?mi)^VERSION:4.0").unwrap();
+
+        let repairs: Vec<Row> = sqlx::query_as!(
+            Row,
+            r#"SELECT principal, cal_id, id, ics FROM calendarobjects WHERE ics LIKE '%VERSION:4.0%';"#
+        )
+        .fetch_all(&mut *tx)
+        .await
+        .map_err(crate::Error::from)?
+            .into_iter()
+            .filter_map(|mut row| {
+                version_pattern.find(&row.ics)?;
+                let new_ics = version_pattern.replace(&row.ics, "VERSION:2.0");
+                // Safeguard that we really only changed the version
+                assert_eq!(row.ics.len(), new_ics.len());
+                row.ics = new_ics.to_string();
+                Some(row)
+            })
+            .collect();
+
+        if repairs.is_empty() {
+            return Ok(());
+        }
+        warn!(
+            "Found {} calendar objects with invalid VERSION:4.0. Repairing by setting to VERSION:2.0",
+            repairs.len()
+        );
+
+        for repair in &repairs {
+            // calendarobjectchangelog is used by sync-collection to fetch changes
+            // By deleting entries we will later regenerate new entries such that clients will notice
+            // the objects have changed
+            warn!(
+                "Repairing VERSION for {}/{}/{}.ics",
+                repair.principal, repair.cal_id, repair.id
+            );
+            sqlx::query!(
+                "DELETE FROM calendarobjectchangelog WHERE (principal, cal_id, object_id) = (?, ?, ?);",
+                repair.principal, repair.cal_id, repair.id
+            ).execute(&mut *tx).await
+            .map_err(crate::Error::from)?;
+
+            sqlx::query!(
+                "UPDATE calendarobjects SET ics = ? WHERE (principal, cal_id, id) = (?, ?, ?);",
+                repair.ics,
+                repair.principal,
+                repair.cal_id,
+                repair.id
+            )
+            .execute(&mut *tx)
+            .await
+            .map_err(crate::Error::from)?;
+        }
+
+        tx.commit().await.map_err(crate::Error::from)?;
+
+        Ok(())
+    }
+
     // Commit "orphaned" objects to the changelog table
     pub async fn repair_orphans(&self) -> Result<(), Error> {
         struct Row {
@@ -279,8 +405,8 @@ impl SqliteCalendarStore {
 
     async fn _update_calendar<'e, E: Executor<'e, Database = Sqlite>>(
         executor: E,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
         calendar: Calendar,
     ) -> Result<(), Error> {
         let comp_event = calendar.components.contains(&CalendarObjectType::Event);
@@ -378,8 +504,8 @@ impl SqliteCalendarStore {
         executor: E,
         principal: &str,
         cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error> {
-        sqlx::query_as!(
+    ) -> Result<impl Iterator<Item = (String, Result<CalendarObject, ParserError>)>, Error> {
+        Ok(sqlx::query_as!(
             CalendarObjectRow,
             "SELECT id, uid, ics FROM calendarobjects WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL",
             principal,
@@ -388,8 +514,8 @@ impl SqliteCalendarStore {
         .fetch_all(executor)
         .await.map_err(crate::Error::from)?
         .into_iter()
-        .map(std::convert::TryInto::try_into)
-        .collect()
+        .map(Into::into)
+        )
     }
 
     async fn _calendar_query<'e, E: Executor<'e, Database = Sqlite>>(
@@ -397,14 +523,14 @@ impl SqliteCalendarStore {
         principal: &str,
         cal_id: &str,
         query: CalendarQuery,
-    ) -> Result<Vec<CalendarObject>, Error> {
+    ) -> Result<impl Iterator<Item = (String, Result<CalendarObject, ParserError>)>, Error> {
         // We extend our query interval by one day in each direction since we really don't want to
         // miss any objects because of timezone differences
         // I've previously tried NaiveDate::MIN,MAX, but it seems like sqlite cannot handle these
         let start = query.time_start.map(|start| start - TimeDelta::days(1));
         let end = query.time_end.map(|end| end + TimeDelta::days(1));
 
-        sqlx::query_as!(
+        Ok(sqlx::query_as!(
             CalendarObjectRow,
             r"SELECT id, uid, ics FROM calendarobjects
                 WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL
@@ -422,8 +548,7 @@ impl SqliteCalendarStore {
         .await
         .map_err(crate::Error::from)?
         .into_iter()
-        .map(std::convert::TryInto::try_into)
-        .collect()
+        .map(Into::into))
     }
 
     async fn _get_object<'e, E: Executor<'e, Database = Sqlite>>(
@@ -433,7 +558,7 @@ impl SqliteCalendarStore {
         object_id: &str,
         show_deleted: bool,
     ) -> Result<CalendarObject, Error> {
-        sqlx::query_as!(
+        let (row_id, object) = sqlx::query_as!(
             CalendarObjectRow,
             "SELECT id, uid, ics FROM calendarobjects WHERE (principal, cal_id, id) = (?, ?, ?) AND ((deleted_at IS NULL) OR ?)",
             principal,
@@ -444,7 +569,9 @@ impl SqliteCalendarStore {
         .fetch_one(executor)
         .await
         .map_err(crate::Error::from)?
-        .try_into()
+        .try_into()?;
+        assert_eq!(object_id, row_id);
+        Ok(object)
     }
 
     #[instrument]
@@ -452,23 +579,24 @@ impl SqliteCalendarStore {
         executor: E,
         principal: &str,
         cal_id: &str,
+        object_id: &str,
         object: &CalendarObject,
         overwrite: bool,
     ) -> Result<(), Error> {
-        let (object_id, uid, ics) = (object.get_id(), object.get_uid(), object.get_ics());
+        let (uid, ics) = (object.get_uid(), object.get_ics());
 
         let first_occurence = object
+            .get_inner()
+            .get_inner()
             .get_first_occurence()
-            .ok()
-            .flatten()
             .as_ref()
-            .map(CalDateTime::date);
+            .map(CalDateTime::date_floor);
         let last_occurence = object
+            .get_inner()
+            .get_inner()
             .get_last_occurence()
-            .ok()
-            .flatten()
             .as_ref()
-            .map(CalDateTime::date);
+            .map(CalDateTime::date_ceil);
         let etag = object.get_etag();
         let object_type = object.get_object_type() as u8;
 
@@ -560,7 +688,8 @@ impl SqliteCalendarStore {
         principal: &str,
         cal_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error> {
+        skip_broken: bool,
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error> {
         struct Row {
             object_id: String,
             synctoken: i64,
@@ -587,8 +716,10 @@ impl SqliteCalendarStore {
 
         for Row { object_id, .. } in changes {
             match Self::_get_object(&mut *conn, principal, cal_id, &object_id, false).await {
-                Ok(object) => objects.push(object),
+                Ok(object) => objects.push((object_id, object)),
                 Err(rustical_store::Error::NotFound) => deleted_objects.push(object_id),
+                // Skip broken object
+                Err(rustical_store::Error::IcalError(_)) if skip_broken => (),
                 Err(err) => return Err(err),
             }
         }
@@ -627,8 +758,8 @@ impl CalendarStore for SqliteCalendarStore {
     #[instrument]
     async fn update_calendar(
         &self,
-        principal: String,
-        id: String,
+        principal: &str,
+        id: &str,
         calendar: Calendar,
     ) -> Result<(), Error> {
         Self::_update_calendar(&self.db, principal, id, calendar).await
@@ -696,14 +827,23 @@ impl CalendarStore for SqliteCalendarStore {
 
         let mut sync_token = None;
         for object in objects {
-            Self::_put_object(&mut *tx, &calendar.principal, &calendar.id, &object, false).await?;
+            let object_id = object.get_uid();
+            Self::_put_object(
+                &mut *tx,
+                &calendar.principal,
+                &calendar.id,
+                object_id,
+                &object,
+                false,
+            )
+            .await?;
 
             sync_token = Some(
                 Self::log_object_operation(
                     &mut tx,
                     &calendar.principal,
                     &calendar.id,
-                    object.get_id(),
+                    object_id,
                     ChangeOperation::Add,
                 )
                 .await?,
@@ -729,8 +869,17 @@ impl CalendarStore for SqliteCalendarStore {
         principal: &str,
         cal_id: &str,
         query: CalendarQuery,
-    ) -> Result<Vec<CalendarObject>, Error> {
-        Self::_calendar_query(&self.db, principal, cal_id, query).await
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
+        let objects = Self::_calendar_query(&self.db, principal, cal_id, query).await?;
+        if self.skip_broken {
+            Ok(objects
+                .filter_map(|(id, res)| Some((id, res.ok()?)))
+                .collect())
+        } else {
+            Ok(objects
+                .map(|(id, res)| res.map(|obj| (id, obj)))
+                .collect::<Result<Vec<_>, _>>()?)
+        }
     }
 
     async fn calendar_metadata(
@@ -760,8 +909,17 @@ impl CalendarStore for SqliteCalendarStore {
         &self,
         principal: &str,
         cal_id: &str,
-    ) -> Result<Vec<CalendarObject>, Error> {
-        Self::_get_objects(&self.db, principal, cal_id).await
+    ) -> Result<Vec<(String, CalendarObject)>, Error> {
+        let objects = Self::_get_objects(&self.db, principal, cal_id).await?;
+        if self.skip_broken {
+            Ok(objects
+                .filter_map(|(id, res)| Some((id, res.ok()?)))
+                .collect())
+        } else {
+            Ok(objects
+                .map(|(id, res)| res.map(|obj| (id, obj)))
+                .collect::<Result<Vec<_>, _>>()?)
+        }
     }
 
     #[instrument]
@@ -778,9 +936,9 @@ impl CalendarStore for SqliteCalendarStore {
     #[instrument]
     async fn put_objects(
         &self,
-        principal: String,
-        cal_id: String,
-        objects: Vec<CalendarObject>,
+        principal: &str,
+        cal_id: &str,
+        objects: Vec<(String, CalendarObject)>,
         overwrite: bool,
     ) -> Result<(), Error> {
         let mut tx = self
@@ -789,25 +947,25 @@ impl CalendarStore for SqliteCalendarStore {
             .await
             .map_err(crate::Error::from)?;
 
-        let calendar = Self::_get_calendar(&mut *tx, &principal, &cal_id, true).await?;
+        let calendar = Self::_get_calendar(&mut *tx, principal, cal_id, true).await?;
         if calendar.subscription_url.is_some() {
             // We cannot commit an object to a subscription calendar
             return Err(Error::ReadOnly);
         }
 
         let mut sync_token = None;
-        for object in objects {
+        for (object_id, object) in objects {
             sync_token = Some(
                 Self::log_object_operation(
                     &mut tx,
-                    &principal,
-                    &cal_id,
-                    object.get_id(),
+                    principal,
+                    cal_id,
+                    &object_id,
                     ChangeOperation::Add,
                 )
                 .await?,
             );
-            Self::_put_object(&mut *tx, &principal, &cal_id, &object, overwrite).await?;
+            Self::_put_object(&mut *tx, principal, cal_id, &object_id, &object, overwrite).await?;
         }
 
         tx.commit().await.map_err(crate::Error::from)?;
@@ -815,9 +973,7 @@ impl CalendarStore for SqliteCalendarStore {
         if let Some(sync_token) = sync_token {
             self.send_push_notification(
                 CollectionOperationInfo::Content { sync_token },
-                self.get_calendar(&principal, &cal_id, true)
-                    .await?
-                    .push_topic,
+                self.get_calendar(principal, cal_id, true).await?.push_topic,
             );
         }
         Ok(())
@@ -885,8 +1041,8 @@ impl CalendarStore for SqliteCalendarStore {
         principal: &str,
         cal_id: &str,
         synctoken: i64,
-    ) -> Result<(Vec<CalendarObject>, Vec<String>, i64), Error> {
-        Self::_sync_changes(&self.db, principal, cal_id, synctoken).await
+    ) -> Result<(Vec<(String, CalendarObject)>, Vec<String>, i64), Error> {
+        Self::_sync_changes(&self.db, principal, cal_id, synctoken, self.skip_broken).await
     }
 
     fn is_read_only(&self, _cal_id: &str) -> bool {

crates/store_sqlite/src/error.rs

@@ -18,7 +18,7 @@ impl From<sqlx::Error> for Error {
             sqlx::Error::RowNotFound => Self::StoreError(rustical_store::Error::NotFound),
             sqlx::Error::Database(err) => {
                 if err.is_unique_violation() {
-                    warn!("{err:?}");
+                    warn!("{err}");
                     Self::StoreError(rustical_store::Error::AlreadyExists)
                 } else {
                     Self::SqlxError(sqlx::Error::Database(err))

crates/store_sqlite/src/tests/mod.rs

@@ -52,8 +52,8 @@ pub async fn test_store_context() -> TestStoreContext {
     let db = get_test_db().await;
     TestStoreContext {
         db: db.clone(),
-        addr_store: SqliteAddressbookStore::new(db.clone(), send_addr),
-        cal_store: SqliteCalendarStore::new(db.clone(), send_cal),
+        addr_store: SqliteAddressbookStore::new(db.clone(), send_addr, false),
+        cal_store: SqliteCalendarStore::new(db.clone(), send_cal, false),
         principal_store: SqlitePrincipalStore::new(db.clone()),
         sub_store: SqliteStore::new(db),
     }

crates/xml/derive/src/xml_struct/mod.rs

@@ -136,7 +136,7 @@ impl NamedStruct {
                         #(#builder_field_inits),*
                     };
 
-                    let (ns, name) = reader.resolve_element(start.name());
+                    let (ns, name) = reader.resolver().resolve_element(start.name());
                     #(#tagname_field_branches);*
                     #(#namespace_field_branches);*
 
@@ -161,7 +161,7 @@ impl NamedStruct {
                                 // start of a child element
                                 Event::Start(start) | Event::Empty(start) => {
                                     let empty = matches!(event, Event::Empty(_));
-                                    let (ns, name) = reader.resolve_element(start.name());
+                                    let (ns, name) = reader.resolver().resolve_element(start.name());
                                     match (ns, name.as_ref()) {
                                         #(#named_field_branches),*
                                         #(#untagged_field_branches),*

crates/xml/src/de.rs

@@ -42,7 +42,7 @@ impl<T: XmlRootTag + XmlDeserialize> XmlDocument for T {
             match event {
                 Event::Decl(_) | Event::Comment(_) => { /*  ignore this */ }
                 Event::Start(start) | Event::Empty(start) => {
-                    let (ns, name) = reader.resolve_element(start.name());
+                    let (ns, name) = reader.resolver().resolve_element(start.name());
                     let matches = match (Self::root_ns(), &ns, name) {
                         // Wrong tag
                         (_, _, name) if name.as_ref() != Self::root_tag().as_bytes() => false,

crates/xml/src/namespace.rs

@@ -1,6 +1,6 @@
 use quick_xml::name::Namespace;
 
-#[derive(Debug, Clone, Default, PartialEq, Eq)]
+#[derive(Debug, Clone, Default, PartialEq, Eq, Hash)]
 pub struct NamespaceOwned(pub Vec<u8>);
 
 impl<'a> From<Namespace<'a>> for NamespaceOwned {

crates/xml/src/unparsed.rs

@@ -1,18 +1,21 @@
 use std::io::BufRead;
 
-use quick_xml::events::BytesStart;
+use quick_xml::{events::BytesStart, name::ResolveResult};
 
-use crate::{XmlDeserialize, XmlError};
+use crate::{NamespaceOwned, XmlDeserialize, XmlError};
 
-// TODO: actually implement
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct Unparsed(BytesStart<'static>);
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Unparsed(pub Option<NamespaceOwned>, pub String);
 
 impl Unparsed {
     #[must_use]
-    pub fn tag_name(&self) -> String {
-        // TODO: respect namespace?
-        String::from_utf8_lossy(self.0.local_name().as_ref()).to_string()
+    pub const fn ns(&self) -> Option<&NamespaceOwned> {
+        self.0.as_ref()
+    }
+
+    #[must_use]
+    pub const fn tag_name(&self) -> &str {
+        self.1.as_str()
     }
 }
 
@@ -27,6 +30,12 @@ impl XmlDeserialize for Unparsed {
             let mut buf = vec![];
             reader.read_to_end_into(start.name(), &mut buf)?;
         }
-        Ok(Self(start.to_owned()))
+        let (ns, tag_name) = reader.resolver().resolve_element(start.name());
+        let ns: Option<NamespaceOwned> = match ns {
+            ResolveResult::Bound(ns) => Some(ns.into()),
+            ResolveResult::Unbound | ResolveResult::Unknown(_) => None,
+        };
+        let tag_name = String::from_utf8_lossy(tag_name.as_ref()).to_string();
+        Ok(Self(ns, tag_name))
     }
 }

docs/developers/rfcs/rfc4791.md

@@ -0,0 +1,253 @@
+# RFC 4791 (CalDAV)
+
+## ☑ 1. Introduction
+
+### ☑ 1.1 Notational Conventions
+
+### ☑ 1.2 XML Namespaces and Processing
+
+### ☐ 1.3 Method Preconditions and Postconditions
+
+## ☐ 2. Requirements Overview
+
+- [x] MUST support iCalendar [RFC2445] as a media type for the calendar
+      object resource format;
+
+- [ ] MUST support WebDAV Class 1 [RFC2518] (note that [rfc2518bis]
+      describes clarifications to [RFC2518] that aid interoperability);
+
+- [x] MUST support WebDAV ACL [RFC3744] with the additional privilege
+      defined in Section 6.1 of this document;
+
+- [x] MUST support transport over TLS [RFC2246] as defined in [RFC2818]
+      (note that [RFC2246] has been obsoleted by [RFC4346]);
+
+- [x] MUST support ETags [RFC2616] with additional requirements
+      specified in Section 5.3.4 of this document;
+
+- [ ] MUST support all calendaring reports defined in Section 7 of this
+      document; and
+
+- [x] MUST advertise support on all calendar collections and calendar
+      object resources for the calendaring reports in the DAV:supported-
+      report-set property, as defined in Versioning Extensions to WebDAV
+      [RFC3253].
+
+   In addition, a server:
+
+- [x] SHOULD support the MKCALENDAR method defined in Section 5.3.1 of
+      this document.
+
+## ☑ 3. Calendaring Data Model
+
+### ☑ 3.1 Calendar Server
+
+### ☑ 3.2 Recurrence and the Data Model
+
+## ☑ 4. Calendar Resources
+
+### ☑ 4.1 Calendar Object Resources
+
+### ☑ 4.2 Calendar Collection
+
+## ☐ 5. Calendar Access Feature
+
+### ☑ 5.1 Calendar Access Support
+
+#### ☑ 5.1.1 Example: Using OPTIONS for the Discovery of Calendar Access Support
+
+### ☑ 5.2 Calendar Collection Properties
+
+#### ☑ 5.2.1 CALDAV:calendar-description Property
+
+#### ☑ 5.2.2 CALDAV:calendar-timezone Property
+
+#### ☑ 5.2.3 CALDAV:supported-calendar-component-set Property
+
+#### ☑ 5.2.4 CALDAV:supported-calendar-data Property
+
+#### ☑ 5.2.5 CALDAV:max-resource-size Property
+
+#### ☑ 5.2.6 CALDAV:min-date-time Property
+
+#### ☑ 5.2.7 CALDAV:max-date-time Property
+
+#### ☐ 5.2.8 CALDAV:max-instances Property (Maybe set this :))
+
+#### ☑ 5.2.9 CALDAV:max-attendees-per-instance Property (does not apply)
+
+#### ☑ 5.2.10 Additional Precondition for PROPPATCH
+
+### ☑ 5.3 Creating Resources
+
+#### ☑ 5.3.1 MKCALENDAR Method
+
+##### ☑ 5.3.1.1 Status Codes
+
+##### ☑ 5.3.1.2 Example: Successful MKCALENDAR Request
+
+- Example fails because of the tzid is not in the Olson database, but that's okay
+
+#### ☑ 5.3.2 Creating Calendar Object Resources
+
+##### ☐ 5.3.2.1 Additional Preconditions for PUT, COPY, and MOVE
+
+### ☑ 5.3.3 Non-Standard Components, Properties, and Parameters
+
+### ☑ 5.3.4 Calendar Object Resource Entity Tag
+
+## ☐ 6. Calendaring Access Control
+
+### ☐ 6.1 Calendaring Privilege
+
+#### ☐ 6.1.1 CALDAV:read-free-busy Privilege
+
+### ☑ 6.2 Additional Principal Property
+
+#### ☑ 6.2.1 CALDAV:calendar-home-set Property
+
+## ☐ 7. Calendaring Reports
+
+- [ ] `DAV:expand-property`
+
+### ☑ 7.1 REPORT Method
+
+### ☑ 7.2 Ordinary Collections
+
+### ☑ 7.3 Date and Floating Time
+
+### ☑ 7.4 Time Range Filtering
+
+### ☑ 7.5 Searching Text: Collations
+
+#### ☑ 7.5.1 CALDAV:supported-collation-set Property
+
+### ☐ 7.6 Partial Retrieval
+
+### ☑ 7.7 Non-Standard Components, Properties, and Parameters
+
+### ☑ 7.8 CALDAV:calendar-query REPORT
+
+#### ☐ 7.8.1 Example: Partial Retrieval of Events by Time Range
+
+#### ☐ 7.8.2 Example: Partial Retrieval of Recurring Events
+
+#### ☐ 7.8.3 Example: Expanded Retrieval of Recurring Events
+
+#### ☐ 7.8.4 Example: Partial Retrieval of Stored Free Busy Components
+
+#### ☐ 7.8.5 Example: Retrieval of To-Dos by Alarm Time Range
+
+#### ☐ 7.8.6 Example: Retrieval of Event by UID
+
+#### ☐ 7.8.7 Example: Retrieval of Events by PARTSTAT
+
+#### ☐ 7.8.8 Example: Retrieval of Events Only
+
+#### ☐ 7.8.9 Example: Retrieval of All Pending To-Dos
+
+#### ☐ 7.8.10 Example: Attempt to Query Unsupported Property
+
+### ☐ 7.9 CALDAV:calendar-multiget REPORT
+
+#### ☐ 7.9.1 Example: Successful CALDAV:calendar-multiget REPORT
+
+### ☐ 7.10 CALDAV:free-busy-query REPORT
+
+#### ☐ 7.10.1 Example: Successful CALDAV:free-busy-query REPORT
+
+## ☐ 8. Guidelines
+
+### ☐ 8.1 Client-to-Client Interoperability
+
+### ☐ 8.2 Synchronization Operations
+
+#### ☐ 8.2.1 Use of Reports
+
+##### ☐ 8.2.1.1 Restrict the Time Range
+
+##### ☐ 8.2.1.2 Synchronize by Time Range
+
+##### ☐ 8.2.1.3 Synchronization Process
+
+#### ☐ 8.2.2 Restrict the Properties Returned
+
+### ☐ 8.3 Use of Locking
+
+### ☐ 8.4 Finding Calendars
+
+### ☐ 8.5 Storing and Using Attachments
+
+#### ☐ 8.5.1 Inline Attachments
+
+#### ☐ 8.5.2 External Attachments
+
+### ☐ 8.6 Storing and Using Alarms
+
+## ☐ 9. XML Element Definitions
+
+### ☐ 9.1 CALDAV:calendar XML Element
+
+### ☐ 9.2 CALDAV:mkcalendar XML Element
+
+### ☐ 9.3 CALDAV:mkcalendar-response XML Element
+
+### ☐ 9.4 CALDAV:supported-collation XML Element
+
+### ☐ 9.5 CALDAV:calendar-query XML Element
+
+### ☐ 9.6 CALDAV:calendar-data XML Element
+
+#### ☐ 9.6.1 CALDAV:comp XML Element
+
+#### ☐ 9.6.2 CALDAV:allcomp XML Element
+
+#### ☐ 9.6.3 CALDAV:allprop XML Element
+
+#### ☐ 9.6.4 CALDAV:prop XML Element
+
+#### ☐ 9.6.5 CALDAV:expand XML Element
+
+#### ☐ 9.6.6 CALDAV:limit-recurrence-set XML Element
+
+#### ☐ 9.6.7 CALDAV:limit-freebusy-set XML Element
+
+### ☐ 9.7 CALDAV:filter XML Element
+
+#### ☐ 9.7.1 CALDAV:comp-filter XML Element
+
+#### ☐ 9.7.2 CALDAV:prop-filter XML Element
+
+#### ☐ 9.7.3 CALDAV:param-filter XML Element
+
+#### ☐ 9.7.4 CALDAV:is-not-defined XML Element
+
+#### ☐ 9.7.5 CALDAV:text-match XML Element
+
+### ☐ 9.8 CALDAV:timezone XML Element
+
+### ☐ 9.9 CALDAV:time-range XML Element
+
+### ☐ 9.10 CALDAV:calendar-multiget XML Element
+
+### ☐ 9.11 CALDAV:free-busy-query XML Element
+
+## ☐ 10. Internationalization Considerations
+
+## ☐ 11. Security Considerations
+
+## ☐ 12. IANA Considerations
+
+### ☐ 12.1 Namespace Registration
+
+## ☐ 13. Acknowledgements
+
+## ☐ 14. References
+
+### ☐ 14.1 Normative References
+
+### ☐ 14.2 Informative References
+
+## ☐ A. CalDAV Method Privilege Table (Normative)
+
+## ☐ B. Calendar Collections Used in the Examples

docs/developers/rfcs/rfc6352.md

@@ -0,0 +1,175 @@
+# RFC 6352 (CardDAV)
+
+## ☑ 1. Introduction and Overview
+
+## ☑ 2. Conventions
+
+## ☐ 3. Requirements Overview
+
+## ☑ 4. Address Book Data Model
+
+### ☑ 4.1 Address Book Server
+
+## ☐ 5. Address Book Resources
+
+### ☐ 5.1 Address Object Resources
+
+- vCard objects MUST have a unique UID
+  - Right now the uniqueness is not enforced in store_sqlite :(
+
+#### ☐ 5.1.1 Data Type Conversion
+
+Again, the client can use content negotiation to
+   request that data be returned in a specific media type by specifying
+   appropriate attributes on the CARDDAV:address-data XML element used
+   in the request body (see Section 10.4).
+
+- [ ] Accept address-data attributes
+
+#### ☐ 5.1.1.1 Additional Precondition for GET
+
+- Make sure that Accept header matches content type
+
+### ☐ 5.2 Address Book Collections
+
+## ☑ 6. Address Book Feature
+
+### ☑ 6.1 Address Book Support
+
+#### ☑ 6.1.1 Example: Using OPTIONS for the Discovery of Support for CardDAV
+
+### ☐ 6.2 Address Book Properties
+
+#### ☑ 6.2.1 CARDDAV:addressbook-description Property
+
+#### ☑ 6.2.2 CARDDAV:supported-address-data Property
+
+#### ☑ 6.2.3 CARDDAV:max-resource-size Property
+
+### ☐ 6.3 Creating Resources
+
+#### ☑ 6.3.1 Extended MKCOL Method
+
+##### ☑ 6.3.1.1 Example - Successful MKCOL Request
+
+#### ☐ 6.3.2 Creating Address Object Resources
+
+- [x] If-None-Match support
+
+##### ☐ 6.3.2.1 Additional Preconditions for PUT, COPY, and MOVE
+
+- [ ] Make sure UID is unique
+
+##### ☑ 6.3.2.2 Non-Standard vCard Properties and Parameters
+
+##### ☑ 6.3.2.3 Address Object Resource Entity Tag
+
+## ☑ 7. Address Book Access Control
+
+### ☑ 7.1 Additional Principal Properties
+
+#### ☑ 7.1.1 CARDDAV:addressbook-home-set Property
+
+#### ☑ 7.1.2 CARDDAV:principal-address Property
+
+## ☐ 8. Address Book Reports
+
+### ☐ 8.1 REPORT Method
+
+- [ ] DAV:expand-property REPORT
+
+### ☑ 8.2 Ordinary Collections
+
+### ☑ 8.3 Searching Text: Collations
+
+#### ☑ 8.3.1 CARDDAV:supported-collation-set Property
+
+### ☐ 8.4 Partial Retrieval (Optional)
+
+### ☑ 8.5 Non-Standard Properties and Parameters
+
+### ☑ 8.6 CARDDAV:addressbook-query Report
+
+#### ☐ 8.6.1 Limiting Results
+
+#### ☑ 8.6.2 Truncation of Results (does not apply)
+
+#### ☐ 8.6.3 Example: Partial Retrieval of vCards Matching NICKNAME
+
+#### ☐ 8.6.4 Example: Partial Retrieval of vCards Matching a Full Name or Email Address
+
+#### ☐ 8.6.5 Example: Truncated Results
+
+### ☐ 8.7 CARDDAV:addressbook-multiget Report
+
+#### ☑ 8.7.1 Example: CARDDAV:addressbook-multiget Report
+
+#### ☐ 8.7.2 Example: CARDDAV:addressbook-multiget Report
+
+- [ ] Check for content-type of requested data
+
+    ```
+    <C:address-data content-type='text/vcard' version='4.0'/>
+    ```
+
+## ☑ 9. Client Guidelines
+
+### ☑ 9.1 Restrict the Properties Returned
+
+### ☑ 9.2 Avoiding Lost Updates
+
+### ☑ 9.3 Client Configuration
+
+### ☐ 9.4 Finding Other Users' Address Books
+
+- [ ] Implement DAV:principal-property-search REPORT [RFC3744]
+
+## ☑ 10. XML Element Definitions
+
+### ☑ 10.1 CARDDAV:addressbook XML Element
+
+### ☑ 10.2 CARDDAV:supported-collation XML Element
+
+### ☑ 10.3 CARDDAV:addressbook-query XML Element
+
+### ☑ 10.4 CARDDAV:address-data XML Element
+
+- [ ] Support content-type and version
+
+#### ☐ 10.4.1 CARDDAV:allprop XML Element (does not apply, is for vCard props)
+
+#### ☐ 10.4.2 CARDDAV:prop XML Element (does not apply, is for vCard props)
+
+### ☑ 10.5 CARDDAV:filter XML Element
+
+#### ☑ 10.5.1 CARDDAV:prop-filter XML Element
+
+#### ☑ 10.5.2 CARDDAV:param-filter XML Element
+
+#### ☑ 10.5.3 CARDDAV:is-not-defined XML Element
+
+#### ☑ 10.5.4 CARDDAV:text-match XML Element
+
+### ☑ 10.6 CARDDAV:limit XML Element
+
+#### ☑ 10.6.1 CARDDAV:nresults XML Element
+
+### ☑ 10.7 CARDDAV:addressbook-multiget XML Element
+
+## ☑ 11. Service Discovery via SRV Records
+
+## ☑ 12. Internationalization Considerations
+
+## ☑ 13. Security Considerations
+
+## ☑ 14. IANA Consideration
+
+### ☑ 14.1 Namespace Registration
+
+## ☑ 15. Acknowledgments
+
+## ☑ 16. References
+
+### ☑ 16.1 Normative References
+
+### ☑ 16.2 Informative References

mkdocs.yml

@@ -75,7 +75,9 @@ nav:
   - OpenID Connect: setup/oidc.md
   - Developers:
       - developers/index.md
-      - Relevant RFCs: developers/rfcs.md
+      - Relevant RFCs:
+          - developers/rfcs.md
+          - RFC 6352: developers/rfcs/rfc6352.md
       - Frontend: developers/frontend.md
       - Debugging: developers/debugging.md
   - Cargo docs: /rustical/_crate/rustical/

src/commands/mod.rs

@@ -17,6 +17,8 @@ pub fn cmd_gen_config(_args: GenConfigArgs) -> anyhow::Result<()> {
         http: HttpConfig::default(),
         data_store: DataStoreConfig::Sqlite(SqliteDataStoreConfig {
             db_url: "/var/lib/rustical/db.sqlite3".to_owned(),
+            run_repairs: true,
+            skip_broken: true,
         }),
         tracing: TracingConfig::default(),
         frontend: FrontendConfig {

src/config.rs

@@ -26,6 +26,10 @@ impl Default for HttpConfig {
 #[serde(deny_unknown_fields)]
 pub struct SqliteDataStoreConfig {
     pub db_url: String,
+    #[serde(default = "default_true")]
+    pub run_repairs: bool,
+    #[serde(default = "default_true")]
+    pub skip_broken: bool,
 }
 
 #[derive(Debug, Deserialize, Serialize)]

src/integration_tests/caldav/calendar.rs

@@ -8,7 +8,7 @@ use rustical_store::{CalendarMetadata, CalendarStore};
 use rustical_store_sqlite::tests::{TestStoreContext, test_store_context};
 use tower::ServiceExt;
 
-fn mkcalendar_template(
+pub fn mkcalendar_template(
     CalendarMetadata {
         displayname,
         order: _order,
@@ -29,12 +29,34 @@ fn mkcalendar_template(
             <displayname>{displayname}</displayname>
             <CAL:calendar-description>{description}</CAL:calendar-description>
             <n0:calendar-color xmlns:n0="http://apple.com/ns/ical/">{color}</n0:calendar-color>
-            <CAL:calendar-timezone-id>Europe/Berlin</CAL:calendar-timezone-id>
             <CAL:supported-calendar-component-set>
                 <CAL:comp name="VEVENT"/>
                 <CAL:comp name="VTODO"/>
                 <CAL:comp name="VJOURNAL"/>
             </CAL:supported-calendar-component-set>
+            <CAL:calendar-timezone><![CDATA[BEGIN:VCALENDAR
+PRODID:-//Example Corp.//CalDAV Client//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:US/Eastern
+LAST-MODIFIED:19870101T000000Z
+BEGIN:STANDARD
+DTSTART:19671029T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+TZNAME:Eastern Standard Time (US & Canada)
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:19870405T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+TZNAME:Eastern Daylight Time (US & Canada)
+END:DAYLIGHT
+END:VTIMEZONE
+END:VCALENDAR
+]]></CAL:calendar-timezone>
         </prop>
     </set>
 </CAL:mkcalendar>
@@ -209,3 +231,106 @@ async fn test_caldav_calendar(
         Err(rustical_store::Error::NotFound)
     ));
 }
+
+#[rstest]
+#[tokio::test]
+async fn test_rfc4791_5_3_2(
+    #[from(test_store_context)]
+    #[future]
+    context: TestStoreContext,
+) {
+    let context = context.await;
+    let app = get_app(context.clone());
+
+    let calendar_meta = CalendarMetadata {
+        displayname: Some("Calendar".to_string()),
+        description: Some("Description".to_string()),
+        color: Some("#00FF00".to_string()),
+        order: 0,
+    };
+    let (principal, cal_id) = ("user", "calendar");
+    let url = format!("/caldav/principal/{principal}/{cal_id}");
+
+    let request_template = || {
+        Request::builder()
+            .method("MKCALENDAR")
+            .uri(&url)
+            .body(Body::from(mkcalendar_template(&calendar_meta)))
+            .unwrap()
+    };
+
+    // Try with correct credentials
+    let mut request = request_template();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+
+    let ical = r"BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VEVENT
+UID:20010712T182145Z-123401@example.com
+DTSTAMP:20060712T182145Z
+DTSTART:20060714T170000Z
+DTEND:20060715T040000Z
+SUMMARY:Bastille Day Party
+END:VEVENT
+END:VCALENDAR";
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/qwue23489.ics"))
+        .header("If-None-Match", "*")
+        .header("Content-Type", "text/calendar")
+        .body(Body::from(ical))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/qwue23489.ics"))
+        .header("If-None-Match", "*")
+        .header("Content-Type", "text/calendar")
+        .body(Body::from(ical))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CONFLICT);
+
+    let mut request = Request::builder()
+        .method("REPORT")
+        .uri(&url)
+        .header("Depth", "infinity")
+        .header("Content-Type", "text/xml; charset=\"utf-8\"")
+        .body(Body::from(format!(
+            r#"
+            <?xml version="1.0" encoding="utf-8" ?>
+            <C:calendar-multiget xmlns:D="DAV:"
+                                    xmlns:C="urn:ietf:params:xml:ns:caldav">
+                <D:prop>
+                    <D:getetag/>
+                </D:prop>
+                <D:href>{url}/qwue23489.ics</D:href>
+                <D:href>/home/bernard/addressbook/vcf1.vcf</D:href>
+            </C:calendar-multiget>
+        "#
+        )))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::MULTI_STATUS);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!("multiget_body", body);
+}

src/integration_tests/caldav/calendar_import.rs

@@ -0,0 +1,98 @@
+use crate::integration_tests::{ResponseExtractString, get_app};
+use axum::body::Body;
+use axum::extract::Request;
+use headers::{Authorization, HeaderMapExt};
+use http::StatusCode;
+use rstest::rstest;
+use rustical_store_sqlite::tests::{TestStoreContext, test_store_context};
+use tower::ServiceExt;
+
+const ICAL: &str = r"
+BEGIN:VCALENDAR
+PRODID:-//Example Corp.//CalDAV Client//EN
+VERSION:2.0
+BEGIN:VEVENT
+UID:1@example.com
+SUMMARY:One-off Meeting
+DTSTAMP:20041210T183904Z
+DTSTART:20041207T120000Z
+DTEND:20041207T130000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:2@example.com
+SUMMARY:Weekly Meeting
+DTSTAMP:20041210T183838Z
+DTSTART:20041206T120000Z
+DTEND:20041206T130000Z
+RRULE:FREQ=WEEKLY
+END:VEVENT
+BEGIN:VEVENT
+UID:2@example.com
+SUMMARY:Weekly Meeting
+RECURRENCE-ID:20041213T120000Z
+DTSTAMP:20041210T183838Z
+DTSTART:20041213T130000Z
+DTEND:20041213T140000Z
+END:VEVENT
+END:VCALENDAR
+";
+
+#[rstest]
+#[case(0, ICAL)]
+#[case(1, include_str!("resources/rfc4791_appb.ics"))]
+#[tokio::test]
+async fn test_import(
+    #[from(test_store_context)]
+    #[future]
+    context: TestStoreContext,
+    #[case] case: usize,
+    #[case] ical: &'static str,
+) {
+    let context = context.await;
+    let app = get_app(context.clone());
+
+    let (principal, addr_id) = ("user", "calendar");
+    let url = format!("/caldav/principal/{principal}/{addr_id}");
+
+    let request_template = || {
+        Request::builder()
+            .method("IMPORT")
+            .uri(&url)
+            .body(Body::from(ical))
+            .unwrap()
+    };
+
+    // Try without authentication
+    let request = request_template();
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
+
+    // Try with correct credentials
+    let mut request = request_template();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::OK);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!(format!("{case}_import_body"), body);
+
+    let mut request = Request::builder()
+        .method("GET")
+        .uri(&url)
+        .body(Body::empty())
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::OK);
+    let body = response.extract_string().await;
+    insta::with_settings!({
+        filters => vec![
+            (r"UID:.+", "UID:[UID]")
+        ]
+    }, {
+        insta::assert_snapshot!(format!("{case}_get_body"), body);
+    });
+}

src/integration_tests/caldav/calendar_put.rs

@@ -0,0 +1,77 @@
+use axum::body::Body;
+use headers::{Authorization, HeaderMapExt};
+use http::{Request, StatusCode};
+use rstest::rstest;
+use rustical_store::CalendarMetadata;
+use rustical_store_sqlite::tests::{TestStoreContext, test_store_context};
+use tower::ServiceExt;
+
+use crate::integration_tests::{
+    ResponseExtractString, caldav::calendar::mkcalendar_template, get_app,
+};
+
+#[rstest]
+#[tokio::test]
+async fn test_put_invalid(
+    #[from(test_store_context)]
+    #[future]
+    context: TestStoreContext,
+) {
+    let context = context.await;
+    let app = get_app(context.clone());
+
+    let calendar_meta = CalendarMetadata {
+        displayname: Some("Calendar".to_string()),
+        description: Some("Description".to_string()),
+        color: Some("#00FF00".to_string()),
+        order: 0,
+    };
+    let (principal, cal_id) = ("user", "calendar");
+    let url = format!("/caldav/principal/{principal}/{cal_id}");
+
+    let mut request = Request::builder()
+        .method("MKCALENDAR")
+        .uri(&url)
+        .body(Body::from(mkcalendar_template(&calendar_meta)))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+
+    // Invalid calendar data
+    let ical = r"BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VEVENT
+UID:20010712T182145Z-123401@example.com
+DTSTAMP:20060712T182145Z
+DTSTART:20060714T170000Z
+RRULE:UNTIL=123
+DTEND:20060715T040000Z
+SUMMARY:Bastille Day Party
+END:VEVENT
+END:VCALENDAR";
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/qwue23489.ics"))
+        .header("If-None-Match", "*")
+        .header("Content-Type", "text/calendar")
+        .body(Body::from(ical))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::FORBIDDEN);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!(body, @r#"
+    <?xml version="1.0" encoding="utf-8"?>
+    <error xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+        <CAL:valid-calendar-data/>
+    </error>
+    "#);
+}

src/integration_tests/caldav/calendar_report.rs

@@ -0,0 +1,209 @@
+use crate::integration_tests::{ResponseExtractString, get_app};
+use axum::body::Body;
+use axum::extract::Request;
+use headers::{Authorization, HeaderMapExt};
+use http::StatusCode;
+use rstest::rstest;
+use rustical_store_sqlite::tests::{TestStoreContext, test_store_context};
+use tower::ServiceExt;
+
+const ICS_1: &str = include_str!("resources/rfc4791_appb.ics");
+
+const REPORT_7_8_1: &str = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+<C:calendar-query xmlns:D="DAV:"
+                xmlns:C="urn:ietf:params:xml:ns:caldav">
+    <D:prop>
+        <D:getetag/>
+        <C:calendar-data>
+            <C:comp name="VCALENDAR">
+            <C:prop name="VERSION"/>
+            <C:comp name="VEVENT">
+                <C:prop name="SUMMARY"/>
+                <C:prop name="UID"/>
+                <C:prop name="DTSTART"/>
+                <C:prop name="DTEND"/>
+                <C:prop name="DURATION"/>
+                <C:prop name="RRULE"/>
+                <C:prop name="RDATE"/>
+                <C:prop name="EXRULE"/>
+                <C:prop name="EXDATE"/>
+                <C:prop name="RECURRENCE-ID"/>
+            </C:comp>
+            <C:comp name="VTIMEZONE"/>
+            </C:comp>
+        </C:calendar-data>
+    </D:prop>
+    <C:filter>
+    <C:comp-filter name="VCALENDAR">
+        <C:comp-filter name="VEVENT">
+        <C:time-range start="20060104T000000Z"
+                        end="20060105T000000Z"/>
+        </C:comp-filter>
+    </C:comp-filter>
+    </C:filter>
+</C:calendar-query>
+"#;
+
+const REPORT_7_8_2: &str = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+   <C:calendar-query xmlns:D="DAV:"
+                     xmlns:C="urn:ietf:params:xml:ns:caldav">
+     <D:prop>
+       <C:calendar-data>
+         <C:limit-recurrence-set start="20060103T000000Z"
+                                 end="20060105T000000Z"/>
+       </C:calendar-data>
+     </D:prop>
+     <C:filter>
+       <C:comp-filter name="VCALENDAR">
+         <C:comp-filter name="VEVENT">
+           <C:time-range start="20060103T000000Z"
+                         end="20060105T000000Z"/>
+         </C:comp-filter>
+       </C:comp-filter>
+     </C:filter>
+   </C:calendar-query>
+"#;
+
+const REPORT_7_8_3: &str = r#"
+ <?xml version="1.0" encoding="utf-8" ?>
+   <C:calendar-query xmlns:D="DAV:"
+                     xmlns:C="urn:ietf:params:xml:ns:caldav">
+     <D:prop>
+       <C:calendar-data>
+         <C:expand start="20060103T000000Z"
+                   end="20060105T000000Z"/>
+       </C:calendar-data>
+     </D:prop>
+     <C:filter>
+       <C:comp-filter name="VCALENDAR">
+         <C:comp-filter name="VEVENT">
+           <C:time-range start="20060103T000000Z"
+                         end="20060105T000000Z"/>
+         </C:comp-filter>
+       </C:comp-filter>
+     </C:filter>
+   </C:calendar-query>
+"#;
+
+// Adapted from Example 7.8.3 of RFC 4791
+// In the RFC the output is wrong since it returns DTSTART in UTC as local time, e.g.
+// DTSTART:20060103T170000
+// instead of
+// DTSTART:20060103T170000Z
+// In https://datatracker.ietf.org/doc/html/rfc4791#section-9.6.5
+// it is clearly stated that times with timezone information MUST be returned in UTC.
+// Also, the RECURRENCE-ID needs to include the TIMEZONE, which is fixed here by converting it to
+// UTC
+const OUTPUT_7_8_3: &str = r#"<?xml version="1.0" encoding="utf-8"?>
+<multistatus xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <response>
+        <href>/caldav/principal/user/calendar/abcd2.ics</href>
+        <propstat>
+            <prop>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART:20060103T170000Z
+DURATION:PT1H
+SUMMARY:Event #2
+UID:abcd2
+RECURRENCE-ID:20060103T170000Z
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART:20060104T190000Z
+DURATION:PT1H
+RECURRENCE-ID:20060104T170000Z
+SUMMARY:Event #2 bis
+UID:abcd2
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+    <response>
+        <href>/caldav/principal/user/calendar/abcd3.ics</href>
+        <propstat>
+            <prop>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART:20060104T150000Z
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:abcd3
+X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+</multistatus>"#;
+
+#[rstest]
+#[case(0, ICS_1, REPORT_7_8_1, None)]
+#[case(1, ICS_1, REPORT_7_8_2, None)]
+#[case(2, ICS_1, REPORT_7_8_3, Some(OUTPUT_7_8_3))]
+#[tokio::test]
+async fn test_report(
+    #[from(test_store_context)]
+    #[future]
+    context: TestStoreContext,
+    #[case] case: usize,
+    #[case] ics: &'static str,
+    #[case] report: &'static str,
+    #[case] output: Option<&'static str>,
+) {
+    let context = context.await;
+    let app = get_app(context.clone());
+
+    let (principal, addr_id) = ("user", "calendar");
+    let url = format!("/caldav/principal/{principal}/{addr_id}");
+
+    let request_template = || {
+        Request::builder()
+            .method("IMPORT")
+            .uri(&url)
+            .body(Body::from(ics))
+            .unwrap()
+    };
+    // Try with correct credentials
+    let mut request = request_template();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::OK);
+
+    let mut request = Request::builder()
+        .method("REPORT")
+        .uri(&url)
+        .body(Body::from(report))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::MULTI_STATUS);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!(format!("{case}_report_body"), body);
+    if let Some(output) = output {
+        similar_asserts::assert_eq!(output, body.replace('\r', ""));
+    }
+}

src/integration_tests/caldav/mod.rs

@@ -8,6 +8,9 @@ use rustical_store_sqlite::tests::{TestStoreContext, test_store_context};
 use tower::ServiceExt;
 
 mod calendar;
+mod calendar_import;
+mod calendar_put;
+mod calendar_report;
 
 #[rstest]
 #[tokio::test]

src/integration_tests/caldav/resources/rfc4791_appb.ics

@@ -0,0 +1,103 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20060206T001102Z
+DTSTART;TZID=US/Eastern:20060102T100000
+DURATION:PT1H
+SUMMARY:Event #1
+Description:Go Steelers!
+UID:abcd1
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060102T120000
+DURATION:PT1H
+RRULE:FREQ=DAILY;COUNT=5
+SUMMARY:Event #2
+UID:abcd2
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060104T140000
+DURATION:PT1H
+RECURRENCE-ID;TZID=US/Eastern:20060104T120000
+SUMMARY:Event #2 bis
+UID:abcd2
+END:VEVENT
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART;TZID=US/Eastern:20060104T100000
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:abcd3
+X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
+END:VEVENT
+BEGIN:VTODO
+DTSTAMP:20060205T235335Z
+DUE;VALUE=DATE:20060104
+STATUS:NEEDS-ACTION
+SUMMARY:Task #1
+UID:abcd4
+BEGIN:VALARM
+ACTION:AUDIO
+TRIGGER;RELATED=START:-PT10M
+END:VALARM
+END:VTODO
+BEGIN:VTODO
+DTSTAMP:20060205T235300Z
+DUE;VALUE=DATE:20060106
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:NEEDS-ACTION
+SUMMARY:Task #2
+UID:abcd5
+BEGIN:VALARM
+ACTION:AUDIO
+TRIGGER;RELATED=START:-PT10M
+END:VALARM
+END:VTODO
+BEGIN:VTODO
+COMPLETED:20051223T122322Z
+DTSTAMP:20060205T235400Z
+DUE;VALUE=DATE:20051225
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:COMPLETED
+SUMMARY:Task #3
+UID:abcd6
+END:VTODO
+BEGIN:VTODO
+DTSTAMP:20060205T235600Z
+DUE;VALUE=DATE:20060101
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:CANCELLED
+SUMMARY:Task #4
+UID:abcd7
+END:VTODO
+END:VCALENDAR

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__get_body.snap

@@ -4,9 +4,10 @@ expression: body
 ---
 BEGIN:VCALENDAR
 VERSION:2.0
+PRODID:RustiCal Export
 CALSCALE:GREGORIAN
-PRODID:RustiCal
 X-WR-CALNAME:Calendar
 X-WR-CALDESC:Description
-X-WR-TIMEZONE:Europe/Berlin
+X-WR-CALCOLOR:#00FF00
+X-WR-TIMEZONE:US/Eastern
 END:VCALENDAR

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__multiget_body.snap

@@ -0,0 +1,20 @@
+---
+source: src/integration_tests/caldav/calendar.rs
+expression: body
+---
+<?xml version="1.0" encoding="utf-8"?>
+<multistatus xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <response>
+        <href>/caldav/principal/user/calendar/qwue23489.ics</href>
+        <propstat>
+            <prop>
+                <getetag>&quot;aea50382a7775bb9742bfec277382e3a260b6066f503b5f5ae34548d7215ee46&quot;</getetag>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+    <response>
+        <href>/home/bernard/addressbook/vcf1.vcf</href>
+        <status>HTTP/1.1 404 Not Found</status>
+    </response>
+</multistatus>

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar__propfind_body.snap

@@ -14,109 +14,117 @@ expression: body
 PRODID:-//github.com/lennart-k/vzic-rs//RustiCal Calendar server//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:Europe/Berlin
+TZID:America/New_York
 LAST-MODIFIED:20250723T190331Z
-X-LIC-LOCATION:Europe/Berlin
+X-LIC-LOCATION:America/New_York
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+005328
-TZOFFSETTO:+0100
-DTSTART:18930401T000000
+TZNAME:EST
+TZOFFSETFROM:-045602
+TZOFFSETTO:-0500
+DTSTART:18831118T120358
 END:STANDARD
 BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19160430T230000
-RDATE:19400401T020000
-RDATE:19430329T020000
-RDATE:19460414T020000
-RDATE:19470406T030000
-RDATE:19480418T020000
-RDATE:19490410T020000
-RDATE:19800406T020000
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19180331T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU;UNTIL=19200328T070000Z
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19161001T010000
-RDATE:19421102T030000
-RDATE:19431004T030000
-RDATE:19441002T030000
-RDATE:19451118T030000
-RDATE:19461007T030000
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:19181027T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=19201031T060000Z
 END:STANDARD
 BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19170416T020000
-RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=3MO;UNTIL=19180415T010000Z
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19210424T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19410427T070000Z
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19170917T030000
-RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=3MO;UNTIL=19180916T010000Z
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:19210925T020000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU;UNTIL=19410928T060000Z
 END:STANDARD
 BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19440403T020000
-RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1MO;UNTIL=19450402T010000Z
+TZNAME:EWT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19420209T020000
 END:DAYLIGHT
 BEGIN:DAYLIGHT
-TZNAME:CEMT
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0300
-DTSTART:19450524T020000
-RDATE:19470511T030000
-END:DAYLIGHT
-BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0300
-TZOFFSETTO:+0200
-DTSTART:19450924T030000
-RDATE:19470629T030000
+TZNAME:EPT
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0400
+DTSTART:19450814T190000
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0100
-DTSTART:19460101T000000
-RDATE:19800101T000000
-END:STANDARD
-BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19471005T030000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU;UNTIL=19491002T010000Z
-END:STANDARD
-BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19800928T030000
-RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU;UNTIL=19950924T010000Z
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:19450930T020000
 END:STANDARD
 BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19810329T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19460428T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19730429T070000Z
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19961027T030000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:19460929T020000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU;UNTIL=19540926T060000Z
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:19551030T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20061029T060000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19740106T020000
+RDATE:19750223T020000
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19760425T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19860427T070000Z
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19870405T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU;UNTIL=20060402T070000Z
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:20070311T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:20071104T020000
+RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
@@ -124,7 +132,7 @@ END:VCALENDAR
                 <CAL:timezone-service-set>
                     <href>https://www.iana.org/time-zones</href>
                 </CAL:timezone-service-set>
-                <CAL:calendar-timezone-id>Europe/Berlin</CAL:calendar-timezone-id>
+                <CAL:calendar-timezone-id>US/Eastern</CAL:calendar-timezone-id>
                 <calendar-order xmlns="http://apple.com/ns/ical/">0</calendar-order>
                 <CAL:supported-calendar-component-set>
                     <CAL:comp name="VEVENT"/>
@@ -139,7 +147,7 @@ END:VCALENDAR
                     <CAL:supported-collation>i;unicode-casemap</CAL:supported-collation>
                     <CAL:supported-collation>i;octet</CAL:supported-collation>
                 </CAL:supported-collation-set>
-                <max-resource-size>10000000</max-resource-size>
+                <CAL:max-resource-size>10000000</CAL:max-resource-size>
                 <supported-report-set>
                     <supported-report>
                         <report>

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_import__0_get_body.snap

@@ -0,0 +1,32 @@
+---
+source: src/integration_tests/caldav/calendar_import.rs
+expression: body
+---
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:RustiCal Export
+CALSCALE:GREGORIAN
+BEGIN:VEVENT
+UID:[UID]
+SUMMARY:One-off Meeting
+DTSTAMP:20041210T183904Z
+DTSTART:20041207T120000Z
+DTEND:20041207T130000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:[UID]
+SUMMARY:Weekly Meeting
+DTSTAMP:20041210T183838Z
+DTSTART:20041206T120000Z
+DTEND:20041206T130000Z
+RRULE:FREQ=WEEKLY
+END:VEVENT
+BEGIN:VEVENT
+UID:[UID]
+SUMMARY:Weekly Meeting
+RECURRENCE-ID:20041213T120000Z
+DTSTAMP:20041210T183838Z
+DTSTART:20041213T130000Z
+DTEND:20041213T140000Z
+END:VEVENT
+END:VCALENDAR

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_import__0_import_body.snap

@@ -0,0 +1,5 @@
+---
+source: src/integration_tests/caldav/calendar_import.rs
+expression: body
+---
+

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_import__1_get_body.snap

@@ -0,0 +1,108 @@
+---
+source: src/integration_tests/caldav/calendar_import.rs
+expression: body
+---
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:RustiCal Export
+CALSCALE:GREGORIAN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20060206T001102Z
+DTSTART;TZID=US/Eastern:20060102T100000
+DURATION:PT1H
+SUMMARY:Event #1
+DESCRIPTION:Go Steelers!
+UID:[UID]
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060102T120000
+DURATION:PT1H
+RRULE:FREQ=DAILY;COUNT=5
+SUMMARY:Event #2
+UID:[UID]
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060104T140000
+DURATION:PT1H
+RECURRENCE-ID;TZID=US/Eastern:20060104T120000
+SUMMARY:Event #2 bis
+UID:[UID]
+END:VEVENT
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART;TZID=US/Eastern:20060104T100000
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:[UID]
+X-ABC-GUID:[UID]
+END:VEVENT
+BEGIN:VTODO
+DTSTAMP:20060205T235335Z
+DUE;VALUE=DATE:20060104
+STATUS:NEEDS-ACTION
+SUMMARY:Task #1
+UID:[UID]
+BEGIN:VALARM
+ACTION:AUDIO
+TRIGGER;RELATED=START:-PT10M
+END:VALARM
+END:VTODO
+BEGIN:VTODO
+DTSTAMP:20060205T235300Z
+DUE;VALUE=DATE:20060106
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:NEEDS-ACTION
+SUMMARY:Task #2
+UID:[UID]
+BEGIN:VALARM
+ACTION:AUDIO
+TRIGGER;RELATED=START:-PT10M
+END:VALARM
+END:VTODO
+BEGIN:VTODO
+COMPLETED:20051223T122322Z
+DTSTAMP:20060205T235400Z
+DUE;VALUE=DATE:20051225
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:COMPLETED
+SUMMARY:Task #3
+UID:[UID]
+END:VTODO
+BEGIN:VTODO
+DTSTAMP:20060205T235600Z
+DUE;VALUE=DATE:20060101
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:CANCELLED
+SUMMARY:Task #4
+UID:[UID]
+END:VTODO
+END:VCALENDAR

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_import__1_import_body.snap

@@ -0,0 +1,5 @@
+---
+source: src/integration_tests/caldav/calendar_import.rs
+expression: body
+---
+

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_import__get_body.snap

@@ -0,0 +1,107 @@
+---
+source: src/integration_tests/caldav/calendar_import.rs
+expression: body
+---
+BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:RustiCal
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060104T140000
+DURATION:PT1H
+RECURRENCE-ID;TZID=US/Eastern:20060104T120000
+SUMMARY:Event #2 bis
+UID:[UID]
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001102Z
+DTSTART;TZID=US/Eastern:20060102T100000
+DURATION:PT1H
+SUMMARY:Event #1
+Description:Go Steelers!
+UID:[UID]
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060102T120000
+DURATION:PT1H
+RRULE:FREQ=DAILY;COUNT=5
+SUMMARY:Event #2
+UID:[UID]
+END:VEVENT
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART;TZID=US/Eastern:20060104T100000
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:[UID]
+END:VEVENT
+BEGIN:VTODO
+DTSTAMP:20060205T235335Z
+DUE;VALUE=DATE:20060104
+STATUS:NEEDS-ACTION
+SUMMARY:Task #1
+UID:[UID]
+BEGIN:VALARM
+ACTION:AUDIO
+TRIGGER;RELATED=START:-PT10M
+END:VALARM
+END:VTODO
+BEGIN:VTODO
+DTSTAMP:20060205T235300Z
+DUE;VALUE=DATE:20060106
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:NEEDS-ACTION
+SUMMARY:Task #2
+UID:[UID]
+BEGIN:VALARM
+ACTION:AUDIO
+TRIGGER;RELATED=START:-PT10M
+END:VALARM
+END:VTODO
+BEGIN:VTODO
+COMPLETED:20051223T122322Z
+DTSTAMP:20060205T235400Z
+DUE;VALUE=DATE:20051225
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:COMPLETED
+SUMMARY:Task #3
+UID:[UID]
+END:VTODO
+BEGIN:VTODO
+DTSTAMP:20060205T235600Z
+DUE;VALUE=DATE:20060101
+LAST-MODIFIED:20060205T235308Z
+SEQUENCE:1
+STATUS:CANCELLED
+SUMMARY:Task #4
+UID:[UID]
+END:VTODO
+END:VCALENDAR

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_import__import_body.snap

@@ -0,0 +1,5 @@
+---
+source: src/integration_tests/caldav/calendar_import.rs
+expression: body
+---
+

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_report__0_report_body.snap

@@ -0,0 +1,101 @@
+---
+source: src/integration_tests/caldav/calendar_report.rs
+expression: body
+---
+<?xml version="1.0" encoding="utf-8"?>
+<multistatus xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <response>
+        <href>/caldav/principal/user/calendar/abcd2.ics</href>
+        <propstat>
+            <prop>
+                <getetag>&quot;7d80077c5655339885a36b6dbe97336767fb85e6b12c94668bcac100ed971fac&quot;</getetag>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060102T120000
+DURATION:PT1H
+RRULE:FREQ=DAILY;COUNT=5
+SUMMARY:Event #2
+UID:abcd2
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060104T140000
+DURATION:PT1H
+RECURRENCE-ID;TZID=US/Eastern:20060104T120000
+SUMMARY:Event #2 bis
+UID:abcd2
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+    <response>
+        <href>/caldav/principal/user/calendar/abcd3.ics</href>
+        <propstat>
+            <prop>
+                <getetag>&quot;a84fd022dfc742bf8f17ac04fca3aad687e9ae724180185e8e0df11e432dae30&quot;</getetag>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART;TZID=US/Eastern:20060104T100000
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:abcd3
+X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+</multistatus>

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_report__1_report_body.snap

@@ -0,0 +1,99 @@
+---
+source: src/integration_tests/caldav/calendar_report.rs
+expression: body
+---
+<?xml version="1.0" encoding="utf-8"?>
+<multistatus xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <response>
+        <href>/caldav/principal/user/calendar/abcd2.ics</href>
+        <propstat>
+            <prop>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060102T120000
+DURATION:PT1H
+RRULE:FREQ=DAILY;COUNT=5
+SUMMARY:Event #2
+UID:abcd2
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART;TZID=US/Eastern:20060104T140000
+DURATION:PT1H
+RECURRENCE-ID;TZID=US/Eastern:20060104T120000
+SUMMARY:Event #2 bis
+UID:abcd2
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+    <response>
+        <href>/caldav/principal/user/calendar/abcd3.ics</href>
+        <propstat>
+            <prop>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART;TZID=US/Eastern:20060104T100000
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:abcd3
+X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+</multistatus>

src/integration_tests/caldav/snapshots/rustical__integration_tests__caldav__calendar_report__2_report_body.snap

@@ -0,0 +1,63 @@
+---
+source: src/integration_tests/caldav/calendar_report.rs
+expression: body
+---
+<?xml version="1.0" encoding="utf-8"?>
+<multistatus xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <response>
+        <href>/caldav/principal/user/calendar/abcd2.ics</href>
+        <propstat>
+            <prop>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART:20060103T170000Z
+DURATION:PT1H
+SUMMARY:Event #2
+UID:abcd2
+RECURRENCE-ID:20060103T170000Z
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20060206T001121Z
+DTSTART:20060104T190000Z
+DURATION:PT1H
+RECURRENCE-ID:20060104T170000Z
+SUMMARY:Event #2 bis
+UID:abcd2
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+    <response>
+        <href>/caldav/principal/user/calendar/abcd3.ics</href>
+        <propstat>
+            <prop>
+                <CAL:calendar-data>BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VEVENT
+ATTENDEE;PARTSTAT=ACCEPTED;ROLE=CHAIR:mailto:cyrus@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION:mailto:lisa@example.com
+DTSTAMP:20060206T001220Z
+DTSTART:20060104T150000Z
+DURATION:PT1H
+LAST-MODIFIED:20060206T001330Z
+ORGANIZER:mailto:cyrus@example.com
+SEQUENCE:1
+STATUS:TENTATIVE
+SUMMARY:Event #3
+UID:abcd3
+X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
+END:VEVENT
+END:VCALENDAR
+</CAL:calendar-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+</multistatus>

src/integration_tests/carddav/addressbook.rs

@@ -192,3 +192,256 @@ async fn test_carddav_addressbook(
         Err(rustical_store::Error::NotFound)
     ));
 }
+
+#[rstest]
+#[tokio::test]
+async fn test_mkcol_rfc6352_6_3_1_1(
+    #[from(test_store_context)]
+    #[future]
+    context: TestStoreContext,
+) {
+    let context = context.await;
+    let app = get_app(context.clone());
+    let addr_store = context.addr_store;
+
+    let (displayname, description) = (
+        "Lisa's Contacts".to_owned(),
+        "My primary address book.".to_owned(),
+    );
+    let (principal, addr_id) = ("user", "contacts");
+    let url = format!("/carddav/principal/{principal}/{addr_id}");
+
+    let mut request = Request::builder()
+        .method("MKCOL")
+        .uri(&url)
+        .body(Body::from(format!(
+            r#"<?xml version="1.0" encoding="utf-8" ?>
+   <D:mkcol xmlns:D="DAV:"
+                 xmlns:C="urn:ietf:params:xml:ns:carddav">
+     <D:set>
+       <D:prop>
+         <D:resourcetype>
+           <D:collection/>
+           <C:addressbook/>
+         </D:resourcetype>
+         <D:displayname>{displayname}</D:displayname>
+         <C:addressbook-description xml:lang="en"
+   >{description}</C:addressbook-description>
+       </D:prop>
+     </D:set>
+   </D:mkcol>"#
+        )))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!("mkcol_body", body);
+    let saved_addressbook = addr_store
+        .get_addressbook(principal, addr_id, false)
+        .await
+        .unwrap();
+    assert_eq!(
+        (
+            saved_addressbook.displayname.unwrap(),
+            saved_addressbook.description.unwrap()
+        ),
+        (displayname, description)
+    );
+
+    let vcard = r"BEGIN:VCARD
+VERSION:3.0
+FN:Cyrus Daboo
+N:Daboo;Cyrus
+ADR;TYPE=POSTAL:;2822 Email HQ;Suite 2821;RFCVille;PA;15213;USA
+EMAIL;TYPE=INTERNET,PREF:cyrus@example.com
+NICKNAME:me
+NOTE:Example VCard.
+ORG:Self Employed
+TEL;TYPE=WORK,VOICE:412 605 0499
+TEL;TYPE=FAX:412 605 0705
+URL:http://www.example.com
+UID:1234-5678-9000-1
+END:VCARD
+        ";
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/newcard.vcf"))
+        .header("If-None-Match", "*")
+        .header("Content-Type", "text/vcard")
+        .body(Body::from(vcard))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+    let etag = response.headers().get("ETag").unwrap();
+
+    // This should overwrite
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/newcard.vcf"))
+        .header("If-None-Match", "\"somearbitraryetag\"")
+        .header("Content-Type", "text/vcard")
+        .body(Body::from(vcard))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/newcard.vcf"))
+        .header("If-None-Match", etag)
+        .header("Content-Type", "text/vcard")
+        .body(Body::from(vcard))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CONFLICT);
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/newcard.vcf"))
+        .header("If-None-Match", "*")
+        .header("Content-Type", "text/vcard")
+        .body(Body::from(vcard))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CONFLICT);
+}
+
+#[rstest]
+#[tokio::test]
+async fn test_rfc6352_8_7_1(
+    #[from(test_store_context)]
+    #[future]
+    context: TestStoreContext,
+) {
+    let context = context.await;
+    let app = get_app(context.clone());
+    let addr_store = context.addr_store;
+
+    let (displayname, description) = (
+        "Lisa's Contacts".to_owned(),
+        "My primary address book.".to_owned(),
+    );
+    let (principal, addr_id) = ("user", "contacts");
+    let url = format!("/carddav/principal/{principal}/{addr_id}");
+
+    let mut request = Request::builder()
+        .method("MKCOL")
+        .uri(&url)
+        .body(Body::from(format!(
+            r#"<?xml version="1.0" encoding="utf-8" ?>
+   <D:mkcol xmlns:D="DAV:"
+                 xmlns:C="urn:ietf:params:xml:ns:carddav">
+     <D:set>
+       <D:prop>
+         <D:resourcetype>
+           <D:collection/>
+           <C:addressbook/>
+         </D:resourcetype>
+         <D:displayname>{displayname}</D:displayname>
+         <C:addressbook-description xml:lang="en"
+   >{description}</C:addressbook-description>
+       </D:prop>
+     </D:set>
+   </D:mkcol>"#
+        )))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!("mkcol_body", body);
+    let saved_addressbook = addr_store
+        .get_addressbook(principal, addr_id, false)
+        .await
+        .unwrap();
+    assert_eq!(
+        (
+            saved_addressbook.displayname.unwrap(),
+            saved_addressbook.description.unwrap()
+        ),
+        (displayname, description)
+    );
+
+    let vcard = r"BEGIN:VCARD
+VERSION:3.0
+FN:Cyrus Daboo
+N:Daboo;Cyrus
+ADR;TYPE=POSTAL:;2822 Email HQ;Suite 2821;RFCVille;PA;15213;USA
+EMAIL;TYPE=INTERNET,PREF:cyrus@example.com
+NICKNAME:me
+NOTE:Example VCard.
+ORG:Self Employed
+TEL;TYPE=WORK,VOICE:412 605 0499
+TEL;TYPE=FAX:412 605 0705
+URL:http://www.example.com
+UID:1234-5678-9000-1
+END:VCARD
+        ";
+
+    let mut request = Request::builder()
+        .method("PUT")
+        .uri(format!("{url}/newcard.vcf"))
+        .header("If-None-Match", "*")
+        .header("Content-Type", "text/vcard")
+        .body(Body::from(vcard))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::CREATED);
+
+    let mut request = Request::builder()
+        .method("REPORT")
+        .uri(&url)
+        .header("Depth", "infinity")
+        .header("Content-Type", "text/xml; charset=\"utf-8\"")
+        .body(Body::from(format!(
+            r#"
+            <?xml version="1.0" encoding="utf-8" ?>
+            <C:addressbook-multiget xmlns:D="DAV:"
+                                    xmlns:C="urn:ietf:params:xml:ns:carddav">
+                <D:prop>
+                <D:getetag/>
+                <C:address-data>
+                    <C:prop name="VERSION"/>
+                    <C:prop name="UID"/>
+                    <C:prop name="NICKNAME"/>
+                    <C:prop name="EMAIL"/>
+                    <C:prop name="FN"/>
+                </C:address-data>
+                </D:prop>
+                <D:href>{url}/newcard.vcf</D:href>
+                <D:href>/home/bernard/addressbook/vcf1.vcf</D:href>
+            </C:addressbook-multiget>
+        "#
+        )))
+        .unwrap();
+    request
+        .headers_mut()
+        .typed_insert(Authorization::basic("user", "pass"));
+    let response = app.clone().oneshot(request).await.unwrap();
+    assert_eq!(response.status(), StatusCode::MULTI_STATUS);
+    let body = response.extract_string().await;
+    insta::assert_snapshot!("multiget_body", body);
+}

src/integration_tests/carddav/snapshots/rustical__integration_tests__carddav__addressbook__multiget_body.snap

@@ -0,0 +1,35 @@
+---
+source: src/integration_tests/carddav/addressbook.rs
+expression: body
+---
+<?xml version="1.0" encoding="utf-8"?>
+<multistatus xmlns="DAV:" xmlns:CAL="urn:ietf:params:xml:ns:caldav" xmlns:CARD="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:PUSH="https://bitfire.at/webdav-push">
+    <response>
+        <href>/carddav/principal/user/contacts/newcard.vcf</href>
+        <propstat>
+            <prop>
+                <getetag>&quot;ea0bf4a2ce7ef84606a4cf9235776dbc11b3e7ce351ddf35f27cbc0088acca7e&quot;</getetag>
+                <CARD:address-data>BEGIN:VCARD
+VERSION:3.0
+FN:Cyrus Daboo
+N:Daboo;Cyrus
+ADR;TYPE=POSTAL:;2822 Email HQ;Suite 2821;RFCVille;PA;15213;USA
+EMAIL;TYPE=INTERNET,PREF:cyrus@example.com
+NICKNAME:me
+NOTE:Example VCard.
+ORG:Self Employed
+TEL;TYPE=WORK,VOICE:412 605 0499
+TEL;TYPE=FAX:412 605 0705
+URL:http://www.example.com
+UID:1234-5678-9000-1
+END:VCARD
+        </CARD:address-data>
+            </prop>
+            <status>HTTP/1.1 200 OK</status>
+        </propstat>
+    </response>
+    <response>
+        <href>/home/bernard/addressbook/vcf1.vcf</href>
+        <status>HTTP/1.1 404 Not Found</status>
+    </response>
+</multistatus>