update .gitignore

Fix a typo about anniversary

.github/workflows/cicd.yml

@@ -5,6 +5,7 @@ permissions:
   pull-requests: write
 
 env:
+  RUST_VERSION: "1.92"
   CARGO_TERM_COLOR: always
 
 jobs:
@@ -12,7 +13,9 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-      - run: rustup update
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
       - name: Checkout sources
         uses: actions/checkout@v4
       - run: cargo check
@@ -21,7 +24,9 @@ jobs:
     name: Test Suite
     runs-on: ubuntu-latest
     steps:
-      - run: rustup update
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
       - name: Checkout sources
         uses: actions/checkout@v4
       - run: cargo test --all-features --verbose --workspace
@@ -30,7 +35,9 @@ jobs:
     name: Test Coverage
     runs-on: ubuntu-latest
     steps:
-      - run: rustup update
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
       - name: Install tarpaulin
         run: cargo install cargo-tarpaulin
 
@@ -44,8 +51,10 @@ jobs:
     name: Lints
     runs-on: ubuntu-latest
     steps:
-      - run: rustup update
-      - run: rustup component add rustfmt clippy
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
+          components: rustfmt, clippy
 
       - name: Checkout sources
         uses: actions/checkout@v4

.github/workflows/docker-publish.yml

@@ -2,7 +2,10 @@ name: Docker
 
 on:
   push:
-    branches: ["main"]
+    branches:
+      - main
+      - dev
+      - feat/*
   release:
     types: ["published"]
 
@@ -26,12 +29,12 @@ jobs:
 
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+        uses: docker/setup-buildx-action@v3
 
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -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}}
@@ -54,7 +58,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        uses: docker/build-push-action@v5
         with:
           context: .
           platforms: linux/arm64,linux/amd64

.github/workflows/docs.yml

@@ -17,6 +17,8 @@ jobs:
         with:
           python-version: 3.x
 
+      - run: rustup update
+
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
 
       - name: Set up build cache

.gitignore

@@ -3,7 +3,7 @@ crates/*/target
 # For libraries ignore Cargo.lock
 crates/*/Cargo.lock
 
-db.sqlite3*
+**/*.sqlite3*
 config.toml
 principals.toml
 
@@ -16,3 +16,5 @@ site
 # Frontend
 **/node_modules
 **/.vite
+
+**/*.snap.new

.sqlx/query-053c17f3b54ae3e153137926115486eb19a801bd73a74230bcf72a9a7254824a.json

@@ -0,0 +1,38 @@
+{
+  "db_name": "SQLite",
+  "query": "\n                SELECT principal, cal_id, id, (deleted_at IS NOT NULL) AS \"deleted: bool\"\n                    FROM calendarobjects\n                    WHERE (principal, cal_id, id) NOT IN (\n                        SELECT DISTINCT principal, cal_id, object_id FROM calendarobjectchangelog\n                    )\n                ;\n                ",
+  "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": "deleted: bool",
+        "ordinal": 3,
+        "type_info": "Integer"
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "053c17f3b54ae3e153137926115486eb19a801bd73a74230bcf72a9a7254824a"
+}

.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-3a29efff3d3f6e1e05595d1a2d095af5fc963572c90bd10a6616af78757f8c39.json

@@ -0,0 +1,32 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT id, uid, ics FROM calendarobjects\n                WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL\n                    AND (last_occurence IS NULL OR ? IS NULL OR last_occurence >= date(?))\n                    AND (first_occurence IS NULL OR ? IS NULL OR first_occurence <= date(?))\n            ",
+  "describe": {
+    "columns": [
+      {
+        "name": "id",
+        "ordinal": 0,
+        "type_info": "Text"
+      },
+      {
+        "name": "uid",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "ics",
+        "ordinal": 2,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 6
+    },
+    "nullable": [
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "3a29efff3d3f6e1e05595d1a2d095af5fc963572c90bd10a6616af78757f8c39"
+}

.sqlx/query-3e1cca532372e891ab3e604ecb79311d8cd64108d4f238db4c79e9467a3b6d2e.json

@@ -1,12 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "REPLACE INTO calendarobjects (principal, cal_id, id, ics, first_occurence, last_occurence, etag, object_type) VALUES (?, ?, ?, ?, date(?), date(?), ?, ?)",
-  "describe": {
-    "columns": [],
-    "parameters": {
-      "Right": 8
-    },
-    "nullable": []
-  },
-  "hash": "3e1cca532372e891ab3e604ecb79311d8cd64108d4f238db4c79e9467a3b6d2e"
-}

.sqlx/query-4a05eda4e23e8652312548b179a1cc16f43768074ab9e7ab7b7783395384984e.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE birthday_calendars SET principal = ?, id = ?, displayname = ?, description = ?, \"order\" = ?, color = ?, timezone_id = ?, push_topic = ?\n                WHERE (principal, id) = (?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 10
+    },
+    "nullable": []
+  },
+  "hash": "4a05eda4e23e8652312548b179a1cc16f43768074ab9e7ab7b7783395384984e"
+}

.sqlx/query-505ebe8e64ac709b230dce7150240965e45442aca6c5f3b3115738ef508939ed.json

@@ -1,6 +1,6 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, ics FROM calendarobjects WHERE (principal, cal_id, id) = (?, ?, ?) AND ((deleted_at IS NULL) OR ?)",
+  "query": "SELECT id, uid, ics FROM calendarobjects WHERE (principal, cal_id, id) = (?, ?, ?) AND ((deleted_at IS NULL) OR ?)",
   "describe": {
     "columns": [
       {
@@ -9,18 +9,24 @@
         "type_info": "Text"
       },
       {
-        "name": "ics",
+        "name": "uid",
         "ordinal": 1,
         "type_info": "Text"
+      },
+      {
+        "name": "ics",
+        "ordinal": 2,
+        "type_info": "Text"
       }
     ],
     "parameters": {
       "Right": 4
     },
     "nullable": [
+      false,
       false,
       false
     ]
   },
-  "hash": "543838c030550cb09d1af08adfeade8b7ce3575d92fddbc6e9582d141bc9e49d"
+  "hash": "505ebe8e64ac709b230dce7150240965e45442aca6c5f3b3115738ef508939ed"
 }

.sqlx/query-525fc4eab8a0f3eacff7e3c78ce809943f817abf8c8f9ae50073924bccdea2dc.json

@@ -0,0 +1,74 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT principal, id, displayname, description, \"order\", color, timezone_id, deleted_at, addr_synctoken, push_topic\n                FROM birthday_calendars\n                INNER JOIN (\n                    SELECT principal AS addr_principal,\n                        id AS addr_id,\n                        synctoken AS addr_synctoken\n                    FROM addressbooks\n                    ) ON (principal, id) = (addr_principal, addr_id)\n                WHERE (principal, id) = (?, ?)\n                AND ((deleted_at IS NULL) OR ?)\n            ",
+  "describe": {
+    "columns": [
+      {
+        "name": "principal",
+        "ordinal": 0,
+        "type_info": "Text"
+      },
+      {
+        "name": "id",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "displayname",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "description",
+        "ordinal": 3,
+        "type_info": "Text"
+      },
+      {
+        "name": "order",
+        "ordinal": 4,
+        "type_info": "Integer"
+      },
+      {
+        "name": "color",
+        "ordinal": 5,
+        "type_info": "Text"
+      },
+      {
+        "name": "timezone_id",
+        "ordinal": 6,
+        "type_info": "Text"
+      },
+      {
+        "name": "deleted_at",
+        "ordinal": 7,
+        "type_info": "Datetime"
+      },
+      {
+        "name": "addr_synctoken",
+        "ordinal": 8,
+        "type_info": "Integer"
+      },
+      {
+        "name": "push_topic",
+        "ordinal": 9,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 3
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      true,
+      false,
+      true,
+      true,
+      true,
+      false,
+      false
+    ]
+  },
+  "hash": "525fc4eab8a0f3eacff7e3c78ce809943f817abf8c8f9ae50073924bccdea2dc"
+}

.sqlx/query-583069cbeba5285c63c2b95e989669d3faed66a75fbfc7cd93e5f64b778f45ab.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "REPLACE INTO davpush_subscriptions (id, topic, expiration, push_resource, public_key, public_key_type, auth_secret) VALUES (?, ?, ?, ?, ?, ?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 7
+    },
+    "nullable": []
+  },
+  "hash": "583069cbeba5285c63c2b95e989669d3faed66a75fbfc7cd93e5f64b778f45ab"
+}

.sqlx/query-6327bee90e5df01536a0ddb15adcc37af3027f6902aa3786365c5ab2fbf06bda.json

@@ -1,12 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "INSERT INTO calendarobjects (principal, cal_id, id, ics, first_occurence, last_occurence, etag, object_type) VALUES (?, ?, ?, ?, date(?), date(?), ?, ?)",
-  "describe": {
-    "columns": [],
-    "parameters": {
-      "Right": 8
-    },
-    "nullable": []
-  },
-  "hash": "6327bee90e5df01536a0ddb15adcc37af3027f6902aa3786365c5ab2fbf06bda"
-}

.sqlx/query-66d57f2c99ef37b383a478aff99110e1efbc7ce9332f10da4fa69f7594fb7455.json

@@ -0,0 +1,74 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT principal, id, displayname, description, \"order\", color, timezone_id, deleted_at, addr_synctoken, push_topic\n                FROM birthday_calendars\n                INNER JOIN (\n                    SELECT principal AS addr_principal,\n                        id AS addr_id,\n                        synctoken AS addr_synctoken\n                    FROM addressbooks\n                    ) ON (principal, id) = (addr_principal, addr_id)\n                WHERE principal = ?\n                AND (\n                    (deleted_at IS NULL AND NOT ?) -- not deleted, want not deleted\n                    OR (deleted_at IS NOT NULL AND ?) -- deleted, want deleted\n                )\n            ",
+  "describe": {
+    "columns": [
+      {
+        "name": "principal",
+        "ordinal": 0,
+        "type_info": "Text"
+      },
+      {
+        "name": "id",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "displayname",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "description",
+        "ordinal": 3,
+        "type_info": "Text"
+      },
+      {
+        "name": "order",
+        "ordinal": 4,
+        "type_info": "Integer"
+      },
+      {
+        "name": "color",
+        "ordinal": 5,
+        "type_info": "Text"
+      },
+      {
+        "name": "timezone_id",
+        "ordinal": 6,
+        "type_info": "Text"
+      },
+      {
+        "name": "deleted_at",
+        "ordinal": 7,
+        "type_info": "Datetime"
+      },
+      {
+        "name": "addr_synctoken",
+        "ordinal": 8,
+        "type_info": "Integer"
+      },
+      {
+        "name": "push_topic",
+        "ordinal": 9,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 3
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      true,
+      false,
+      true,
+      true,
+      true,
+      false,
+      false
+    ]
+  },
+  "hash": "66d57f2c99ef37b383a478aff99110e1efbc7ce9332f10da4fa69f7594fb7455"
+}

.sqlx/query-6c039308ad2ec29570ab492d7a0e85fb79c0a4d3b882b74ff1c2786c12324896.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE birthday_calendars SET deleted_at = NULL WHERE (principal, id) = (?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "6c039308ad2ec29570ab492d7a0e85fb79c0a4d3b882b74ff1c2786c12324896"
+}

.sqlx/query-6d08d3a014743da9b445ab012437ec11f81fd86d3b02fc1df07a036c6b47ace2.json

@@ -1,12 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "INSERT OR REPLACE INTO davpush_subscriptions (id, topic, expiration, push_resource, public_key, public_key_type, auth_secret) VALUES (?, ?, ?, ?, ?, ?, ?)",
-  "describe": {
-    "columns": [],
-    "parameters": {
-      "Right": 7
-    },
-    "nullable": []
-  },
-  "hash": "6d08d3a014743da9b445ab012437ec11f81fd86d3b02fc1df07a036c6b47ace2"
-}

.sqlx/query-72c7c67f4952ad669ecd54d96bbcb717815081f74575f0a65987163faf9fe30a.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "INSERT INTO birthday_calendars (principal, id, displayname, description, \"order\", color, push_topic)\n                VALUES (?, ?, ?, ?, ?, ?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 7
+    },
+    "nullable": []
+  },
+  "hash": "72c7c67f4952ad669ecd54d96bbcb717815081f74575f0a65987163faf9fe30a"
+}

.sqlx/query-804ed2a4a7032e9605d1871297498f5a96de0fc816ce660c705fb28318be0d42.json

@@ -1,6 +1,6 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, ics FROM calendarobjects WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL",
+  "query": "SELECT id, uid, ics FROM calendarobjects WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL",
   "describe": {
     "columns": [
       {
@@ -9,18 +9,24 @@
         "type_info": "Text"
       },
       {
-        "name": "ics",
+        "name": "uid",
         "ordinal": 1,
         "type_info": "Text"
+      },
+      {
+        "name": "ics",
+        "ordinal": 2,
+        "type_info": "Text"
       }
     ],
     "parameters": {
       "Right": 2
     },
     "nullable": [
+      false,
       false,
       false
     ]
   },
-  "hash": "54c9c0e36a52e6963f11c6aa27f13aafb4204b8aa34b664fd825bd447db80e86"
+  "hash": "804ed2a4a7032e9605d1871297498f5a96de0fc816ce660c705fb28318be0d42"
 }

.sqlx/query-83f0aaf406785e323ac12019ac24f603c53125a1b2326f324c1e2d7b6c690adc.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE birthday_calendars SET deleted_at = datetime() WHERE (principal, id) = (?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "83f0aaf406785e323ac12019ac24f603c53125a1b2326f324c1e2d7b6c690adc"
+}

.sqlx/query-a68a1b96189b854a7ba2a3cd866ba583af5ad84bc1cd8b20cb805e9ce3bad820.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "REPLACE INTO calendarobjects (principal, cal_id, id, uid, ics, first_occurence, last_occurence, etag, object_type) VALUES (?, ?, ?, ?, ?, date(?), date(?), ?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 9
+    },
+    "nullable": []
+  },
+  "hash": "a68a1b96189b854a7ba2a3cd866ba583af5ad84bc1cd8b20cb805e9ce3bad820"
+}

.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"
+}

.sqlx/query-c138b1143ac04af4930266ffae0990e82005911c11a683ad565e92335e085f4d.json

@@ -0,0 +1,38 @@
+{
+  "db_name": "SQLite",
+  "query": "\n                SELECT principal, addressbook_id, id, (deleted_at IS NOT NULL) AS \"deleted: bool\"\n                    FROM addressobjects\n                    WHERE (principal, addressbook_id, id) NOT IN (\n                        SELECT DISTINCT principal, addressbook_id, object_id FROM addressobjectchangelog\n                    )\n                ;\n                ",
+  "describe": {
+    "columns": [
+      {
+        "name": "principal",
+        "ordinal": 0,
+        "type_info": "Text"
+      },
+      {
+        "name": "addressbook_id",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "id",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "deleted: bool",
+        "ordinal": 3,
+        "type_info": "Integer"
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "c138b1143ac04af4930266ffae0990e82005911c11a683ad565e92335e085f4d"
+}

.sqlx/query-c550dbf3d5ce7069f28d767ea9045e477ef8d29d6186851760757a06dec42339.json

@@ -1,26 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "SELECT id, ics FROM calendarobjects\n                WHERE principal = ? AND cal_id = ? AND deleted_at IS NULL\n                    AND (last_occurence IS NULL OR ? IS NULL OR last_occurence >= date(?))\n                    AND (first_occurence IS NULL OR ? IS NULL OR first_occurence <= date(?))\n            ",
-  "describe": {
-    "columns": [
-      {
-        "name": "id",
-        "ordinal": 0,
-        "type_info": "Text"
-      },
-      {
-        "name": "ics",
-        "ordinal": 1,
-        "type_info": "Text"
-      }
-    ],
-    "parameters": {
-      "Right": 6
-    },
-    "nullable": [
-      false,
-      false
-    ]
-  },
-  "hash": "c550dbf3d5ce7069f28d767ea9045e477ef8d29d6186851760757a06dec42339"
-}

.sqlx/query-cadc4ac16b7ac22b71c91ab36ad9dbb1dec943798d795fcbc811f4c651fea02a.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "DELETE FROM birthday_calendars WHERE (principal, id) = (?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "cadc4ac16b7ac22b71c91ab36ad9dbb1dec943798d795fcbc811f4c651fea02a"
+}

.sqlx/query-d498a758ed707408b00b7d2675250ea739a681ce1f009f05e97f2e101bd7e556.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "INSERT INTO calendarobjects (principal, cal_id, id, uid, ics, first_occurence, last_occurence, etag, object_type) VALUES (?, ?, ?, ?, ?, date(?), date(?), ?, ?)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 9
+    },
+    "nullable": []
+  },
+  "hash": "d498a758ed707408b00b7d2675250ea739a681ce1f009f05e97f2e101bd7e556"
+}

Cargo.toml

@@ -2,7 +2,8 @@
 members = ["crates/*"]
 
 [workspace.package]
-version = "0.9.12"
+version = "0.12.3"
+rust-version = "1.92"
 edition = "2024"
 description = "A CalDAV server"
 documentation = "https://lennart-k.github.io/rustical/"
@@ -12,6 +13,7 @@ license = "AGPL-3.0-or-later"
 [package]
 name = "rustical"
 version.workspace = true
+rust-version.workspace = true
 edition.workspace = true
 description.workspace = true
 repository.workspace = true
@@ -30,13 +32,29 @@ opentelemetry = [
   "dep:tracing-opentelemetry",
 ]
 
-
 [profile.dev]
 debug = 0
 
+[lib]
+doc = true
+name = "rustical"
+path = "src/lib.rs"
+test = true
+
 [workspace.dependencies]
-matchit = "0.8"
-uuid = { version = "1.11", features = ["v4", "fast-rng"] }
+rustical_dav = { path = "./crates/dav/", features = ["ical"] }
+rustical_dav_push = { path = "./crates/dav_push/" }
+rustical_store = { path = "./crates/store/" }
+rustical_store_sqlite = { path = "./crates/store_sqlite/" }
+rustical_caldav = { path = "./crates/caldav/" }
+rustical_carddav = { path = "./crates/carddav/" }
+rustical_frontend = { path = "./crates/frontend/" }
+rustical_xml = { path = "./crates/xml/" }
+rustical_oidc = { path = "./crates/oidc/" }
+rustical_ical = { path = "./crates/ical/" }
+
+matchit = "0.9"
+uuid = { version = "1.19", features = ["v4", "fast-rng"] }
 async-trait = "0.1"
 axum = "0.8"
 tracing = { version = "0.1", features = ["async-await"] }
@@ -47,12 +65,11 @@ password-auth = { version = "1.0", features = ["argon2", "pbkdf2"] }
 pbkdf2 = { version = "0.12", features = ["simple"] }
 rand_core = { version = "0.9", features = ["std"] }
 chrono = { version = "0.4", features = ["serde"] }
-regex = "1.10"
-lazy_static = "1.5"
+regex = "1.12"
 rstest = "0.26"
 rstest_reuse = "0.7"
 sha2 = "0.10"
-tokio = { version = "1", features = [
+tokio = { version = "1.48", features = [
   "net",
   "tracing",
   "macros",
@@ -62,15 +79,15 @@ tokio = { version = "1", features = [
 url = "2.5"
 base64 = "0.22"
 thiserror = "2.0"
-quick-xml = { version = "0.38" }
-rust-embed = "8.5"
+quick-xml = { version = "0.39" }
+rust-embed = "8.9"
 tower-sessions = "0.14"
-futures-core = "0.3.31"
-hex = { version = "0.4.3", features = ["serde"] }
+futures-core = "0.3"
+hex = { version = "0.4", features = ["serde"] }
 mime_guess = "2.0"
 itertools = "0.14"
 log = "0.4"
-derive_more = { version = "2.0", features = [
+derive_more = { version = "2.1", features = [
   "from",
   "try_into",
   "into",
@@ -78,8 +95,8 @@ derive_more = { version = "2.0", features = [
   "constructor",
   "display",
 ] }
-askama = { version = "0.14", features = ["serde_json"] }
-askama_web = { version = "0.14.0", features = ["axum-0.8"] }
+askama = { version = "0.15", features = ["serde_json"] }
+askama_web = { version = "0.15", features = ["axum-0.8"] }
 sqlx = { version = "0.8", default-features = false, features = [
   "sqlx-sqlite",
   "uuid",
@@ -90,17 +107,13 @@ sqlx = { version = "0.8", default-features = false, features = [
   "migrate",
   "json",
 ] }
-http = "1.3"
+http = "1.4"
 headers = "0.4"
 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 = [
-  "generator",
-  "serde",
-  "chrono-tz",
-] }
+caldata = { version = "0.14.0", features = ["chrono-tz", "vtimezones-rs"] }
 toml = "0.9"
 tower = "0.5"
 tower-http = { version = "0.6", features = [
@@ -109,29 +122,19 @@ tower-http = { version = "0.6", features = [
   "catch-panic",
 ] }
 percent-encoding = "2.3"
-rustical_dav = { path = "./crates/dav/" }
-rustical_dav_push = { path = "./crates/dav_push/" }
-rustical_store = { path = "./crates/store/" }
-rustical_store_sqlite = { path = "./crates/store_sqlite/" }
-rustical_caldav = { path = "./crates/caldav/" }
-rustical_carddav = { path = "./crates/carddav/" }
-rustical_frontend = { path = "./crates/frontend/" }
-rustical_xml = { path = "./crates/xml/" }
-rustical_oidc = { path = "./crates/oidc/" }
-rustical_ical = { path = "./crates/ical/" }
 chrono-tz = "0.10"
 chrono-humanize = "0.2"
 rand = "0.9"
-axum-extra = { version = "0.10", features = ["typed-header"] }
+axum-extra = { version = "0.12", features = ["typed-header"] }
 rrule = "0.14"
 argon2 = "0.5"
-rpassword = "7.3"
+rpassword = "7.4"
 password-hash = { version = "0.5" }
 syn = { version = "2.0", features = ["full"] }
 quote = "1.0"
 proc-macro2 = "1.0"
 heck = "0.5"
-darling = "0.21"
+darling = "0.23"
 reqwest = { version = "0.12", features = [
   "rustls-tls",
   "charset",
@@ -139,28 +142,38 @@ reqwest = { version = "0.12", features = [
 ], default-features = false }
 openidconnect = "4.0"
 clap = { version = "4.5", features = ["derive", "env"] }
-matchit-serde = { git = "https://github.com/lennart-k/matchit-serde", rev = "f0591d13" }
-vtimezones-rs = "0.2"
+matchit-serde = { git = "https://github.com/lennart-k/matchit-serde", rev = "e18e65d7" }
+vtimezones-rs = "0.3"
 ece = { version = "2.3", default-features = false, features = [
   "backend-openssl",
 ] }
 openssl = { version = "0.10", features = ["vendored"] }
 async-std = { version = "1.13", features = ["attributes"] }
+similar-asserts = "1.7"
+insta = { version = "1.44", features = ["filters"] }
+criterion = { version = "0.8", features = ["async_tokio"] }
+
+[dev-dependencies]
+rstest.workspace = true
+rustical_store_sqlite = { workspace = true, features = ["test"] }
+insta.workspace = true
+similar-asserts.workspace = true
 
 [dependencies]
-rustical_store = { workspace = true }
-rustical_store_sqlite = { workspace = true }
-rustical_caldav = { workspace = true }
+rustical_store.workspace = true
+rustical_store_sqlite.workspace = true
+rustical_caldav.workspace = true
 rustical_carddav.workspace = true
-rustical_frontend = { workspace = true }
-toml = { workspace = true }
-serde = { workspace = true }
-tokio = { workspace = true }
-tracing = { workspace = true }
-anyhow = { workspace = true }
+rustical_frontend.workspace = true
+caldata.workspace = true
+toml.workspace = true
+serde.workspace = true
+tokio.workspace = true
+tracing.workspace = true
+anyhow.workspace = true
 clap.workspace = true
-sqlx = { workspace = true }
-async-trait = { workspace = true }
+sqlx.workspace = true
+async-trait.workspace = true
 uuid.workspace = true
 axum.workspace = true
 

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM rust:1.90-alpine AS chef
+FROM --platform=$BUILDPLATFORM rust:1.92-alpine AS chef
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
@@ -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
@@ -47,3 +47,5 @@ ENV RUSTICAL_DATA_STORE__SQLITE__DB_URL=/var/lib/rustical/db.sqlite3
 LABEL org.opencontainers.image.authors="Lennart K github.com/lennart-k"
 LABEL org.opencontainers.image.licenses="AGPL-3.0-or-later"
 EXPOSE 4000
+
+HEALTHCHECK --interval=30s --timeout=30s --start-period=3s --retries=3 CMD ["/usr/local/bin/rustical", "health"]

README.md

@@ -1,3 +1,6 @@
+[![license](https://img.shields.io/github/license/lennart-k/rustical)](https://raw.githubusercontent.com/lennart-k/rustical/main/LICENSE)
+[![Coverage Status](https://coveralls.io/repos/github/lennart-k/rustical/badge.svg?branch=main)](https://coveralls.io/github/lennart-k/rustical?branch=main)
+
 # RustiCal
 
 a CalDAV/CardDAV server
@@ -21,6 +24,7 @@ a CalDAV/CardDAV server
 - Apple configuration profiles (skip copy-pasting passwords and instead generate the configuration in the frontend)
 - **OpenID Connect** support (with option to disable password login)
 - Group-based **sharing**
+- Partial [RFC 7809](https://datatracker.ietf.org/doc/html/rfc7809) support. RustiCal will accept timezones by reference and handle omitted timezones in objects.
 
 ## Getting Started
 

about.toml

@@ -9,5 +9,7 @@ accepted = [
   "AGPL-3.0",
   "GPL-3.0",
   "MPL-2.0",
+  "AGPL-3.0-or-later",
+  "GPL-3.0-or-later",
 ]
 workarounds = ["ring", "chrono", "rustls"]

crates/caldav/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "rustical_caldav"
 version.workspace = true
+rust-version.workspace = true
 edition.workspace = true
 description.workspace = true
 repository.workspace = true
@@ -12,27 +13,28 @@ rustical_store_sqlite = { workspace = true, features = ["test"] }
 rstest.workspace = true
 async-std.workspace = true
 serde_json.workspace = true
+insta.workspace = true
 
 [dependencies]
 axum.workspace = true
 axum-extra.workspace = true
 tower.workspace = true
-async-trait = { workspace = true }
-thiserror = { workspace = true }
-quick-xml = { workspace = true }
-tracing = { workspace = true }
-futures-util = { workspace = true }
-derive_more = { workspace = true }
-base64 = { workspace = true }
-serde = { workspace = true }
-tokio = { workspace = true }
-url = { workspace = true }
-rustical_dav = { workspace = true }
-rustical_store = { workspace = true }
-chrono = { workspace = true }
-chrono-tz = { workspace = true }
-sha2 = { workspace = true }
-ical.workspace = true
+async-trait.workspace = true
+thiserror.workspace = true
+quick-xml.workspace = true
+tracing.workspace = true
+futures-util.workspace = true
+derive_more.workspace = true
+base64.workspace = true
+serde.workspace = true
+tokio.workspace = true
+url.workspace = true
+rustical_dav = { workspace = true, features = ["ical"] }
+rustical_store.workspace = true
+chrono.workspace = true
+chrono-tz.workspace = true
+sha2.workspace = true
+caldata.workspace = true
 percent-encoding.workspace = true
 rustical_xml.workspace = true
 uuid.workspace = true
@@ -44,3 +46,4 @@ tower-http.workspace = true
 strum.workspace = true
 strum_macros.workspace = true
 vtimezones-rs.workspace = true
+similar-asserts.workspace = true

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

@@ -3,14 +3,13 @@ use crate::calendar::CalendarResourceService;
 use axum::body::Body;
 use axum::extract::State;
 use axum::{extract::Path, response::Response};
+use caldata::component::IcalCalendar;
+use caldata::generator::Emitter;
+use caldata::parser::ContentLine;
 use headers::{ContentType, HeaderMapExt};
 use http::{HeaderValue, Method, StatusCode, header};
-use ical::generator::{Emitter, IcalCalendarBuilder};
-use ical::property::Property;
 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;
 
@@ -32,79 +31,49 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
         return Err(crate::Error::Unauthorized);
     }
 
-    let mut timezones = HashMap::new();
-    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("4.0")
-        .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: None,
+            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: None,
+            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: None,
+            params: vec![].into(),
         });
     }
 
-    for object in &objects {
-        vtimezones.extend(object.get_vtimezones());
-        match object.get_data() {
-            CalendarObjectComponent::Event(
-                EventObject {
-                    event,
-                    timezones: object_timezones,
-                    ..
-                },
-                overrides,
-            ) => {
-                timezones.extend(object_timezones);
-                ical_calendar_builder = ical_calendar_builder.add_event(event.clone());
-                for _override in overrides {
-                    ical_calendar_builder =
-                        ical_calendar_builder.add_event(_override.event.clone());
-                }
-            }
-            CalendarObjectComponent::Todo(todo, overrides) => {
-                ical_calendar_builder = ical_calendar_builder.add_todo(todo.clone());
-                for _override in overrides {
-                    ical_calendar_builder = ical_calendar_builder.add_todo(_override.clone());
-                }
-            }
-            CalendarObjectComponent::Journal(journal, overrides) => {
-                ical_calendar_builder = ical_calendar_builder.add_journal(journal.clone());
-                for _override in overrides {
-                    ical_calendar_builder = ical_calendar_builder.add_journal(_override.clone());
-                }
-            }
-        }
-    }
-
-    for vtimezone in vtimezones.into_values() {
-        ical_calendar_builder = ical_calendar_builder.add_tz(vtimezone.to_owned());
-    }
-
-    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();
-    hdrs.typed_insert(ContentType::from_str("text/calendar").unwrap());
+    hdrs.typed_insert(ContentType::from_str("text/calendar; charset=utf-8").unwrap());
 
     let filename = format!("{}_{}.ics", calendar.principal, calendar.id);
     let filename = utf8_percent_encode(&filename, CONTROLS);
@@ -118,6 +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

@@ -4,17 +4,14 @@ use axum::{
     extract::{Path, State},
     response::{IntoResponse, Response},
 };
+use caldata::component::{Component, ComponentMut};
+use caldata::{IcalParser, parser::ParserOptions};
 use http::StatusCode;
-use ical::{
-    generator::Emitter,
-    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))]
@@ -29,34 +26,32 @@ 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 = 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
         .get_property("X-WR-CALNAME")
-        .and_then(|prop| prop.value.to_owned());
+        .and_then(|prop| prop.value.clone());
     let description = cal
         .get_property("X-WR-CALDESC")
-        .and_then(|prop| prop.value.to_owned());
+        .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.to_owned());
+        .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(&ParserOptions::default(), None).unwrap();
+
     // Make sure timezone is valid
     if let Some(timezone_id) = timezone_id.as_ref() {
         assert!(
@@ -64,8 +59,7 @@ 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 +71,10 @@ 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(CalendarObject::from_ics)
-        .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 +82,7 @@ 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

@@ -1,10 +1,13 @@
+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 caldata::IcalParser;
 use http::{Method, StatusCode};
-use ical::IcalParser;
 use rustical_dav::xml::HrefElement;
 use rustical_ical::CalendarObjectType;
 use rustical_store::auth::Principal;
@@ -79,30 +82,38 @@ pub async fn route_mkcalendar<C: CalendarStore, S: SubscriptionStore>(
         _ => unreachable!("We never call with another method"),
     };
 
-    if let Some("") = request.displayname.as_deref() {
-        request.displayname = None
+    if request.displayname.as_deref() == Some("") {
+        request.displayname = None;
     }
 
     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(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(rustical_dav::Error::BadRequest(
-                "No timezone data provided".to_owned(),
+            .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"),
         ))?;
-        let timezone: chrono_tz::Tz = timezone
-            .try_into()
-            .map_err(|_| rustical_dav::Error::BadRequest("No timezone data provided".to_owned()))?;
 
         Some(timezone.name().to_owned())
     } else {
@@ -110,8 +121,8 @@ pub async fn route_mkcalendar<C: CalendarStore, S: SubscriptionStore>(
     };
 
     let calendar = Calendar {
-        id: cal_id.to_owned(),
-        principal: principal.to_owned(),
+        id: cal_id.clone(),
+        principal: principal.clone(),
         meta: CalendarMetadata {
             order: request.calendar_order.unwrap_or(0),
             displayname: request.displayname,
@@ -123,14 +134,16 @@ pub async fn route_mkcalendar<C: CalendarStore, S: SubscriptionStore>(
         synctoken: 0,
         subscription_url: request.source.map(|href| href.href),
         push_topic: uuid::Uuid::new_v4().to_string(),
-        components: request
-            .supported_calendar_component_set
-            .map(Into::into)
-            .unwrap_or(vec![
+        components: request.supported_calendar_component_set.map_or_else(
+            || {
+                vec![
                     CalendarObjectType::Event,
                     CalendarObjectType::Todo,
                     CalendarObjectType::Journal,
-            ]),
+                ]
+            },
+            Into::into,
+        ),
     };
 
     cal_store.insert_calendar(calendar).await?;

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

@@ -49,12 +49,12 @@ pub async fn route_post<C: CalendarStore, S: SubscriptionStore>(
     };
 
     let subscription = Subscription {
-        id: sub_id.to_owned(),
+        id: sub_id.clone(),
         push_resource: request
             .subscription
             .web_push_subscription
             .push_resource
-            .to_owned(),
+            .clone(),
         topic: calendar_resource.cal.push_topic,
         expiration: expires.naive_local(),
         public_key: request

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

@@ -4,10 +4,10 @@ use rustical_ical::CalendarObject;
 use rustical_store::CalendarStore;
 use rustical_xml::XmlDeserialize;
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 #[allow(dead_code)]
 // <!ELEMENT calendar-query ((DAV:allprop | DAV:propname | DAV:prop)?, href+)>
-pub(crate) struct CalendarMultigetRequest {
+pub struct CalendarMultigetRequest {
     #[xml(ty = "untagged")]
     pub(crate) prop: PropfindType<CalendarObjectPropWrapperName>,
     #[xml(flatten)]
@@ -21,26 +21,26 @@ 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![];
 
     for href in &cal_query.href {
-        if let Some(filename) = href.strip_prefix(path) {
-            let filename = filename.trim_start_matches("/");
+        if let Ok(href) = percent_encoding::percent_decode_str(href).decode_utf8()
+            && let Some(filename) = href.strip_prefix(path)
+        {
+            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),
-                    Err(rustical_store::Error::NotFound) => not_found.push(href.to_owned()),
+                    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()),
-                };
+                }
             } else {
-                not_found.push(href.to_owned());
-                continue;
+                not_found.push(href.to_string());
             }
         } else {
             not_found.push(href.to_owned());
-            continue;
         }
     }
 

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

@@ -0,0 +1,424 @@
+use crate::calendar::methods::report::calendar_query::{
+    TimeRangeElement,
+    prop_filter::{PropFilterElement, PropFilterable},
+};
+use caldata::{
+    component::{
+        CalendarInnerData, Component, IcalAlarm, IcalCalendarObject, IcalEvent, IcalTimeZone,
+        IcalTodo,
+    },
+    parser::ContentLine,
+};
+use rustical_xml::XmlDeserialize;
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[allow(dead_code)]
+// https://datatracker.ietf.org/doc/html/rfc4791#section-9.7.1
+pub struct CompFilterElement {
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    pub(crate) is_not_defined: Option<()>,
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    pub(crate) time_range: Option<TimeRangeElement>,
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
+    pub(crate) prop_filter: Vec<PropFilterElement>,
+    #[allow(clippy::use_self)]
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
+    pub(crate) comp_filter: Vec<CompFilterElement>,
+
+    #[xml(ty = "attr")]
+    pub(crate) name: String,
+}
+
+pub trait CompFilterable: PropFilterable + Sized {
+    fn get_comp_name(&self) -> &'static str;
+
+    fn match_time_range(&self, time_range: &TimeRangeElement) -> bool;
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool;
+
+    // https://datatracker.ietf.org/doc/html/rfc4791#section-9.7.1
+    // The scope of the
+    // CALDAV:comp-filter XML element is the calendar object when used as
+    // a child of the CALDAV:filter XML element.  The scope of the
+    // CALDAV:comp-filter XML element is the enclosing calendar component
+    // when used as a child of another CALDAV:comp-filter XML element
+    fn matches(&self, comp_filter: &CompFilterElement) -> bool {
+        let name_matches = self.get_comp_name() == comp_filter.name;
+        match (comp_filter.is_not_defined.is_some(), name_matches) {
+            // We are the component that's not supposed to be defined
+            (true, true)
+            // We don't match
+            | (false, false) => return false,
+            // We shall not be and indeed we aren't
+            (true, false) => return true,
+            _ => {}
+        }
+
+        if let Some(time_range) = comp_filter.time_range.as_ref()
+            && !self.match_time_range(time_range)
+        {
+            return false;
+        }
+
+        for prop_filter in &comp_filter.prop_filter {
+            if !prop_filter.match_component(self) {
+                return false;
+            }
+        }
+
+        comp_filter
+            .comp_filter
+            .iter()
+            .all(|filter| self.match_subcomponents(filter))
+    }
+}
+
+impl CompFilterable for CalendarInnerData {
+    fn get_comp_name(&self) -> &'static str {
+        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 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 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 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 {
+        // VCALENDAR has no concept of time range
+        false
+    }
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        let mut matches = self
+            .get_vtimezones()
+            .values()
+            .map(|tz| tz.matches(comp_filter))
+            .chain([self.get_inner().matches(comp_filter)]);
+
+        if comp_filter.is_not_defined.is_some() {
+            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 ContentLine> {
+        Component::get_named_properties(self, name)
+    }
+}
+
+impl CompFilterable for IcalTimeZone {
+    fn get_comp_name(&self) -> &'static str {
+        Component::get_comp_name(self)
+    }
+    fn match_time_range(&self, _time_range: &TimeRangeElement) -> bool {
+        false
+    }
+
+    fn match_subcomponents(&self, comp_filter: &CompFilterElement) -> bool {
+        // VTIMEZONE has no subcomponents
+        comp_filter.is_not_defined.is_some()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use chrono::{TimeZone, Utc};
+    use rustical_dav::xml::{MatchType, NegateCondition, TextCollation, TextMatchElement};
+    use rustical_ical::{CalendarObject, UtcDateTime};
+
+    use crate::calendar::methods::report::calendar_query::{
+        CompFilterElement, CompFilterable, PropFilterElement, TimeRangeElement,
+    };
+
+    const ICS: &str = r"BEGIN:VCALENDAR
+CALSCALE:GREGORIAN
+VERSION:2.0
+PRODID:me
+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";
+
+    #[test]
+    fn test_comp_filter_matching() {
+        let object = CalendarObject::from_ics(ICS.to_string()).unwrap();
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: Some(()),
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![],
+            comp_filter: vec![],
+        };
+        assert!(
+            !object.get_inner().matches(&comp_filter),
+            "filter: wants no VCALENDAR"
+        );
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: None,
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![],
+            comp_filter: vec![CompFilterElement {
+                name: "VTODO".to_string(),
+                is_not_defined: None,
+                time_range: None,
+                prop_filter: vec![],
+                comp_filter: vec![],
+            }],
+        };
+        assert!(
+            !object.get_inner().matches(&comp_filter),
+            "filter matches VTODO"
+        );
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: None,
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![],
+            comp_filter: vec![CompFilterElement {
+                name: "VEVENT".to_string(),
+                is_not_defined: None,
+                time_range: None,
+                prop_filter: vec![],
+                comp_filter: vec![],
+            }],
+        };
+        assert!(
+            object.get_inner().matches(&comp_filter),
+            "filter matches VEVENT"
+        );
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: None,
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![
+                PropFilterElement {
+                    is_not_defined: None,
+                    name: "VERSION".to_string(),
+                    time_range: None,
+                    text_match: Some(TextMatchElement {
+                        match_type: MatchType::Contains,
+                        needle: "2.0".to_string(),
+                        collation: TextCollation::default(),
+                        negate_condition: NegateCondition::default(),
+                    }),
+                    param_filter: vec![],
+                },
+                PropFilterElement {
+                    is_not_defined: Some(()),
+                    name: "STUFF".to_string(),
+                    time_range: None,
+                    text_match: None,
+                    param_filter: vec![],
+                },
+            ],
+            comp_filter: vec![CompFilterElement {
+                name: "VEVENT".to_string(),
+                is_not_defined: None,
+                time_range: None,
+                prop_filter: vec![PropFilterElement {
+                    is_not_defined: None,
+                    name: "SUMMARY".to_string(),
+                    time_range: None,
+                    text_match: Some(TextMatchElement {
+                        match_type: MatchType::Contains,
+                        collation: TextCollation::default(),
+                        negate_condition: NegateCondition(false),
+                        needle: "weekly".to_string(),
+                    }),
+                    param_filter: vec![],
+                }],
+                comp_filter: vec![],
+            }],
+        };
+        assert!(
+            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()).unwrap();
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: None,
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![],
+            comp_filter: vec![CompFilterElement {
+                name: "VEVENT".to_string(),
+                is_not_defined: None,
+                time_range: Some(TimeRangeElement {
+                    start: Some(UtcDateTime(
+                        Utc.with_ymd_and_hms(2025, 4, 1, 0, 0, 0).unwrap(),
+                    )),
+                    end: Some(UtcDateTime(
+                        Utc.with_ymd_and_hms(2025, 8, 1, 0, 0, 0).unwrap(),
+                    )),
+                }),
+                prop_filter: vec![],
+                comp_filter: vec![],
+            }],
+        };
+        assert!(
+            object.get_inner().matches(&comp_filter),
+            "event should lie in time range"
+        );
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: None,
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![],
+            comp_filter: vec![CompFilterElement {
+                name: "VEVENT".to_string(),
+                is_not_defined: None,
+                time_range: Some(TimeRangeElement {
+                    start: Some(UtcDateTime(
+                        Utc.with_ymd_and_hms(2024, 4, 1, 0, 0, 0).unwrap(),
+                    )),
+                    end: Some(UtcDateTime(
+                        Utc.with_ymd_and_hms(2024, 8, 1, 0, 0, 0).unwrap(),
+                    )),
+                }),
+                prop_filter: vec![],
+                comp_filter: vec![],
+            }],
+        };
+        assert!(
+            !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()).unwrap();
+
+        let comp_filter = CompFilterElement {
+            is_not_defined: None,
+            name: "VCALENDAR".to_string(),
+            time_range: None,
+            prop_filter: vec![],
+            comp_filter: vec![CompFilterElement {
+                name: "VTIMEZONE".to_string(),
+                is_not_defined: None,
+                time_range: None,
+                prop_filter: vec![PropFilterElement {
+                    is_not_defined: None,
+                    name: "TZID".to_string(),
+                    time_range: None,
+                    text_match: Some(TextMatchElement {
+                        match_type: MatchType::Contains,
+                        collation: TextCollation::AsciiCasemap,
+                        negate_condition: NegateCondition::default(),
+                        needle: "Europe/Berlin".to_string(),
+                    }),
+                    param_filter: vec![],
+                }],
+                comp_filter: vec![],
+            }],
+        };
+        assert!(
+            object.get_inner().matches(&comp_filter),
+            "Timezone should be Europe/Berlin"
+        );
+    }
+}

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

@@ -1,20 +1,21 @@
+use super::comp_filter::{CompFilterElement, CompFilterable};
 use crate::calendar_object::CalendarObjectPropWrapperName;
-use rustical_dav::xml::PropfindType;
-use rustical_ical::{CalendarObject, UtcDateTime};
+use caldata::{component::IcalCalendarObject, parser::ContentLine};
+use rustical_dav::xml::{PropfindType, TextMatchElement};
+use rustical_ical::UtcDateTime;
 use rustical_store::calendar_store::CalendarQuery;
-use rustical_xml::XmlDeserialize;
-use std::ops::Deref;
+use rustical_xml::{XmlDeserialize, XmlRootTag};
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 #[allow(dead_code)]
-pub(crate) struct TimeRangeElement {
+pub struct TimeRangeElement {
     #[xml(ty = "attr")]
     pub(crate) start: Option<UtcDateTime>,
     #[xml(ty = "attr")]
     pub(crate) end: Option<UtcDateTime>,
 }
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 #[allow(dead_code)]
 // https://www.rfc-editor.org/rfc/rfc4791#section-9.7.3
 pub struct ParamFilterElement {
@@ -27,131 +28,44 @@ pub struct ParamFilterElement {
     pub(crate) name: String,
 }
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
-#[allow(dead_code)]
-pub struct TextMatchElement {
-    #[xml(ty = "attr")]
-    pub(crate) collation: String,
-    #[xml(ty = "attr")]
-    // "yes" or "no", default: "no"
-    pub(crate) negate_condition: Option<String>,
-}
-
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
-#[allow(dead_code)]
-// https://www.rfc-editor.org/rfc/rfc4791#section-9.7.2
-pub(crate) struct PropFilterElement {
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
-    pub(crate) is_not_defined: Option<()>,
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
-    pub(crate) time_range: Option<TimeRangeElement>,
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
-    pub(crate) text_match: Option<TextMatchElement>,
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
-    pub(crate) param_filter: Vec<ParamFilterElement>,
-
-    #[xml(ty = "attr")]
-    pub(crate) name: String,
-}
-
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
-#[allow(dead_code)]
-// https://datatracker.ietf.org/doc/html/rfc4791#section-9.7.1
-pub(crate) struct CompFilterElement {
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
-    pub(crate) is_not_defined: Option<()>,
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
-    pub(crate) time_range: Option<TimeRangeElement>,
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
-    pub(crate) prop_filter: Vec<PropFilterElement>,
-    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
-    pub(crate) comp_filter: Vec<CompFilterElement>,
-
-    #[xml(ty = "attr")]
-    pub(crate) name: String,
-}
-
-impl CompFilterElement {
-    // match the VCALENDAR part
-    pub fn matches_root(&self, cal_object: &CalendarObject) -> bool {
-        let comp_vcal = self.name == "VCALENDAR";
-        match (self.is_not_defined, comp_vcal) {
-            // Client wants VCALENDAR to not exist but we are a VCALENDAR
-            (Some(()), true) => return false,
-            // Client is asking for something different than a vcalendar
-            (None, false) => return false,
-            _ => {}
+impl ParamFilterElement {
+    #[must_use]
+    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.time_range.is_some() {
-            // <time-range> should be applied on VEVENT/VTODO but not on VCALENDAR
+        if self.is_not_defined.is_some() {
             return false;
         }
 
-        // TODO: Implement prop-filter at some point
-
-        // Apply sub-comp-filters on VEVENT/VTODO/VJOURNAL component
-        if self
-            .comp_filter
-            .iter()
-            .all(|filter| filter.matches(cal_object))
-        {
+        let Some(text_match) = self.text_match.as_ref() else {
             return true;
-        }
-
-        false
-    }
-
-    // match the VEVENT/VTODO/VJOURNAL part
-    pub fn matches(&self, cal_object: &CalendarObject) -> bool {
-        let comp_name_matches = self.name == cal_object.get_component_name();
-        match (self.is_not_defined, comp_name_matches) {
-            // Client wants VCALENDAR to not exist but we are a VCALENDAR
-            (Some(()), true) => return false,
-            // Client is asking for something different than a vcalendar
-            (None, false) => return false,
-            _ => {}
         };
-
-        // TODO: Implement prop-filter (and comp-filter?) at some point
-
-        if let Some(time_range) = &self.time_range {
-            if let Some(start) = &time_range.start
-                && let Some(last_occurence) = cal_object.get_last_occurence().unwrap_or(None)
-                && start.deref() > &last_occurence.utc()
-            {
-                return false;
-            }
-            if let Some(end) = &time_range.end
-                && let Some(first_occurence) = cal_object.get_first_occurence().unwrap_or(None)
-                && end.deref() < &first_occurence.utc()
-            {
-                return false;
-            }
-        }
-        true
+        text_match.match_text(param)
     }
 }
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, XmlRootTag, Clone, Debug, PartialEq)]
+#[xml(root = "filter", ns = "rustical_dav::namespace::NS_CALDAV")]
 #[allow(dead_code)]
 // https://datatracker.ietf.org/doc/html/rfc4791#section-9.7
-pub(crate) struct FilterElement {
+pub struct FilterElement {
     // This comp-filter matches on VCALENDAR
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     pub(crate) comp_filter: CompFilterElement,
 }
 
 impl FilterElement {
-    pub fn matches(&self, cal_object: &CalendarObject) -> bool {
-        self.comp_filter.matches_root(cal_object)
+    #[must_use]
+    pub fn matches(&self, cal_object: &IcalCalendarObject) -> bool {
+        cal_object.matches(&self.comp_filter)
     }
 }
 
 impl From<&FilterElement> for CalendarQuery {
     fn from(value: &FilterElement) -> Self {
         let comp_filter_vcalendar = &value.comp_filter;
-        for comp_filter in comp_filter_vcalendar.comp_filter.iter() {
+        for comp_filter in &comp_filter_vcalendar.comp_filter {
             // A calendar object cannot contain both VEVENT and VTODO, so we only have to handle
             // whatever we get first
             if matches!(comp_filter.name.as_str(), "VEVENT" | "VTODO")
@@ -159,13 +73,13 @@ impl From<&FilterElement> for CalendarQuery {
             {
                 let start = time_range.start.as_ref().map(|start| start.date_naive());
                 let end = time_range.end.as_ref().map(|end| end.date_naive());
-                return CalendarQuery {
+                return Self {
                     time_start: start,
                     time_end: end,
                 };
             }
         }
-        Default::default()
+        Self::default()
     }
 }
 
@@ -185,10 +99,48 @@ pub struct CalendarQueryRequest {
 
 impl From<&CalendarQueryRequest> for CalendarQuery {
     fn from(value: &CalendarQueryRequest) -> Self {
-        value
-            .filter
-            .as_ref()
-            .map(CalendarQuery::from)
-            .unwrap_or_default()
+        value.filter.as_ref().map(Self::from).unwrap_or_default()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::calendar::methods::report::calendar_query::{
+        CompFilterElement, FilterElement, TimeRangeElement,
+    };
+    use chrono::{NaiveDate, TimeZone, Utc};
+    use rustical_ical::UtcDateTime;
+    use rustical_store::calendar_store::CalendarQuery;
+
+    #[test]
+    fn test_filter_element_calendar_query() {
+        let filter = FilterElement {
+            comp_filter: CompFilterElement {
+                name: "VCALENDAR".to_string(),
+                is_not_defined: None,
+                time_range: None,
+                prop_filter: vec![],
+                comp_filter: vec![CompFilterElement {
+                    name: "VEVENT".to_string(),
+                    is_not_defined: None,
+                    time_range: Some(TimeRangeElement {
+                        start: Some(UtcDateTime(
+                            Utc.with_ymd_and_hms(2024, 4, 1, 0, 0, 0).unwrap(),
+                        )),
+                        end: Some(UtcDateTime(
+                            Utc.with_ymd_and_hms(2024, 8, 1, 0, 0, 0).unwrap(),
+                        )),
+                    }),
+                    prop_filter: vec![],
+                    comp_filter: vec![],
+                }],
+            },
+        };
+        let derived_query: CalendarQuery = (&filter).into();
+        let query = CalendarQuery {
+            time_start: Some(NaiveDate::from_ymd_opt(2024, 4, 1).unwrap()),
+            time_end: Some(NaiveDate::from_ymd_opt(2024, 8, 1).unwrap()),
+        };
+        assert_eq!(derived_query, query);
     }
 }

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

@@ -2,39 +2,46 @@ use crate::Error;
 use rustical_ical::CalendarObject;
 use rustical_store::CalendarStore;
 
+mod comp_filter;
 mod elements;
-pub(crate) use elements::*;
+mod prop_filter;
+#[cfg(test)]
+mod tests;
+#[allow(unused_imports)]
+pub use comp_filter::{CompFilterElement, CompFilterable};
+pub use elements::*;
+#[allow(unused_imports)]
+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)
 }
 
 #[cfg(test)]
-mod tests {
-    use rustical_dav::xml::PropElement;
-    use rustical_xml::XmlDocument;
-
-    use crate::{
-        calendar::methods::report::{
-            ReportRequest,
-            calendar_query::{
-                CalendarQueryRequest, CompFilterElement, FilterElement, ParamFilterElement,
-                PropFilterElement, TextMatchElement,
-            },
-        },
-        calendar_object::{CalendarObjectPropName, CalendarObjectPropWrapperName},
+mod xml_tests {
+    use super::{
+        CalendarQueryRequest, FilterElement, ParamFilterElement, comp_filter::CompFilterElement,
+        prop_filter::PropFilterElement,
     };
+    use crate::{
+        calendar::methods::report::ReportRequest,
+        calendar_object::{CalendarData, CalendarObjectPropName, CalendarObjectPropWrapperName},
+    };
+    use rustical_dav::xml::{
+        MatchType, NegateCondition, PropElement, TextCollation, TextMatchElement,
+    };
+    use rustical_xml::XmlDocument;
 
     #[test]
     fn calendar_query_7_8_7() {
@@ -76,7 +83,7 @@ mod tests {
                             CalendarObjectPropName::Getetag,
                         ),
                         CalendarObjectPropWrapperName::CalendarObject(
-                            CalendarObjectPropName::CalendarData(Default::default())
+                            CalendarObjectPropName::CalendarData(CalendarData::default())
                         ),
                     ],
                     vec![]
@@ -90,16 +97,20 @@ mod tests {
                             prop_filter: vec![PropFilterElement {
                                 name: "ATTENDEE".to_owned(),
                                 text_match: Some(TextMatchElement {
-                                    collation: "i;ascii-casemap".to_owned(),
-                                    negate_condition: None
+                                    match_type: MatchType::Contains,
+                                    collation: TextCollation::AsciiCasemap,
+                                    negate_condition: NegateCondition(false),
+                                    needle: "mailto:lisa@example.com".to_string()
                                 }),
                                 is_not_defined: None,
                                 param_filter: vec![ParamFilterElement {
                                     is_not_defined: None,
                                     name: "PARTSTAT".to_owned(),
                                     text_match: Some(TextMatchElement {
-                                        collation: "i;ascii-casemap".to_owned(),
-                                        negate_condition: None
+                                        match_type: MatchType::Contains,
+                                        collation: TextCollation::AsciiCasemap,
+                                        negate_condition: NegateCondition(false),
+                                        needle: "NEEDS-ACTION".to_string()
                                     }),
                                 }],
                                 time_range: None
@@ -115,6 +126,6 @@ mod tests {
                 timezone: None,
                 timezone_id: None
             }
-        )
+        );
     }
 }

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

@@ -0,0 +1,77 @@
+use super::{ParamFilterElement, TimeRangeElement};
+use caldata::{parser::ContentLine, types::CalDateTime};
+use rustical_dav::xml::TextMatchElement;
+use rustical_ical::UtcDateTime;
+use rustical_xml::XmlDeserialize;
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+#[allow(dead_code)]
+// https://www.rfc-editor.org/rfc/rfc4791#section-9.7.2
+pub struct PropFilterElement {
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    pub(crate) is_not_defined: Option<()>,
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    pub(crate) time_range: Option<TimeRangeElement>,
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    pub(crate) text_match: Option<TextMatchElement>,
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
+    pub(crate) param_filter: Vec<ParamFilterElement>,
+
+    #[xml(ty = "attr")]
+    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: &ContentLine) -> bool {
+        if let Some(TimeRangeElement { start, end }) = &self.time_range {
+            // TODO: Respect timezones
+            let Ok(timestamp) = CalDateTime::parse_prop(property, None) else {
+                return false;
+            };
+            let timestamp = timestamp.utc();
+            if let Some(UtcDateTime(start)) = start
+                && start > &timestamp
+            {
+                return false;
+            }
+            if let Some(UtcDateTime(end)) = end
+                && end < &timestamp
+            {
+                return false;
+            }
+            return true;
+        }
+
+        if let Some(text_match) = &self.text_match
+            && !text_match.match_property(property)
+        {
+            return false;
+        }
+
+        if !self
+            .param_filter
+            .iter()
+            .all(|param_filter| param_filter.match_property(property))
+        {
+            return false;
+        }
+
+        true
+    }
+
+    pub fn match_component(&self, comp: &impl PropFilterable) -> bool {
+        let mut properties = comp.get_named_properties(&self.name);
+        if self.is_not_defined.is_some() {
+            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.any(|prop| self.match_property(prop))
+    }
+}

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

@@ -0,0 +1,83 @@
+use super::FilterElement;
+use rstest::rstest;
+use rustical_ical::CalendarObject;
+use rustical_xml::XmlDocument;
+
+const ICS_1: &str = r"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:DC6C50A017428C5216A2F1CD@example.com
+X-ABC-GUID:E1CX5Dr-0007ym-Hz@example.com
+END:VEVENT
+END:VCALENDAR
+";
+
+const FILTER_1: &str = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+<C:filter xmlns:C="urn:ietf:params:xml:ns:caldav">
+    <C:comp-filter name="VCALENDAR">
+        <C:comp-filter name="VEVENT">
+            <C:prop-filter name="ATTENDEE">
+                <C:text-match collation="i;ascii-casemap">mailto:lisa@example.com</C:text-match>
+                <C:param-filter name="PARTSTAT">
+                    <C:text-match collation="i;ascii-casemap">NEEDS-ACTION</C:text-match>
+                </C:param-filter>
+            </C:prop-filter>
+        </C:comp-filter>
+    </C:comp-filter>
+</C:filter>
+"#;
+
+const FILTER_2: &str = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+<C:filter xmlns:C="urn:ietf:params:xml:ns:caldav">
+    <C:comp-filter name="VCALENDAR">
+        <C:comp-filter name="VEVENT">
+            <C:prop-filter name="ATTENDEE">
+                <C:text-match collation="i;ascii-casemap">mailto:lisa@example.com</C:text-match>
+                <C:param-filter name="PARTSTAT">
+                    <C:text-match collation="i;ascii-casemap">ACCEPTED</C:text-match>
+                </C:param-filter>
+            </C:prop-filter>
+        </C:comp-filter>
+    </C:comp-filter>
+</C:filter>
+"#;
+
+#[rstest]
+#[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()).unwrap();
+    let filter = FilterElement::parse_str(filter).unwrap();
+    assert_eq!(matches, filter.matches(obj.get_inner()));
+}

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

@@ -27,7 +27,7 @@ use sync_collection::handle_sync_collection;
 use tracing::instrument;
 
 mod calendar_multiget;
-mod calendar_query;
+pub mod calendar_query;
 mod sync_collection;
 
 #[derive(XmlDeserialize, XmlDocument, Clone, Debug, PartialEq)]
@@ -41,17 +41,17 @@ pub(crate) enum ReportRequest {
 }
 
 impl ReportRequest {
-    fn props(&self) -> &PropfindType<CalendarObjectPropWrapperName> {
+    const fn props(&self) -> &PropfindType<CalendarObjectPropWrapperName> {
         match &self {
-            ReportRequest::CalendarMultiget(CalendarMultigetRequest { prop, .. }) => prop,
-            ReportRequest::CalendarQuery(CalendarQueryRequest { prop, .. }) => prop,
-            ReportRequest::SyncCollection(SyncCollectionRequest { prop, .. }) => prop,
+            Self::CalendarMultiget(CalendarMultigetRequest { prop, .. })
+            | Self::CalendarQuery(CalendarQueryRequest { prop, .. })
+            | Self::SyncCollection(SyncCollectionRequest { prop, .. }) => prop,
         }
     }
 }
 
 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 }
@@ -184,7 +185,7 @@ mod tests {
                     "/caldav/user/user/6f787542-5256-401a-8db97003260da/ae7a998fdfd1d84a20391168962c62b".to_owned()
                 ]
             })
-        )
+        );
     }
 
     #[test]
@@ -241,7 +242,7 @@ mod tests {
                 timezone: None,
                 timezone_id: None,
             })
-        )
+        );
     }
 
     #[test]
@@ -269,6 +270,6 @@ mod tests {
                     "/caldav/user/user/6f787542-5256-401a-8db97003260da/ae7a998fdfd1d84a20391168962c62b".to_owned()
                 ]
             })
-        )
+        );
     }
 }

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/prop.rs

@@ -1,15 +1,16 @@
 use derive_more::derive::{From, Into};
+use rustical_dav::xml::TextCollation;
 use rustical_ical::CalendarObjectType;
 use rustical_xml::{XmlDeserialize, XmlSerialize};
 use strum_macros::VariantArray;
 
-#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, From, Into)]
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq, From, Into)]
 pub struct SupportedCalendarComponent {
     #[xml(ty = "attr")]
     pub name: CalendarObjectType,
 }
 
-#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq)]
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq)]
 pub struct SupportedCalendarComponentSet {
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV", flatten)]
     pub comp: Vec<SupportedCalendarComponent>,
@@ -36,7 +37,30 @@ impl From<SupportedCalendarComponentSet> for Vec<CalendarObjectType> {
     }
 }
 
-#[derive(Debug, Clone, XmlSerialize, PartialEq)]
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq, From, Into)]
+pub struct SupportedCollation(#[xml(ty = "text")] pub TextCollation);
+
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq)]
+pub struct SupportedCollationSet(
+    #[xml(
+        ns = "rustical_dav::namespace::NS_CALDAV",
+        flatten,
+        rename = "supported-collation"
+    )]
+    pub Vec<SupportedCollation>,
+);
+
+impl Default for SupportedCollationSet {
+    fn default() -> Self {
+        Self(vec![
+            SupportedCollation(TextCollation::AsciiCasemap),
+            SupportedCollation(TextCollation::UnicodeCasemap),
+            SupportedCollation(TextCollation::Octet),
+        ])
+    }
+}
+
+#[derive(Debug, Clone, XmlSerialize, PartialEq, Eq)]
 pub struct CalendarData {
     #[xml(ty = "attr")]
     content_type: String,
@@ -53,13 +77,13 @@ impl Default for CalendarData {
     }
 }
 
-#[derive(Debug, Clone, XmlSerialize, Default, PartialEq)]
+#[derive(Debug, Clone, XmlSerialize, Default, PartialEq, Eq)]
 pub struct SupportedCalendarData {
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     calendar_data: CalendarData,
 }
 
-#[derive(Debug, Clone, XmlSerialize, PartialEq, VariantArray)]
+#[derive(Debug, Clone, XmlSerialize, PartialEq, Eq, VariantArray)]
 pub enum ReportMethod {
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     CalendarQuery,

crates/caldav/src/calendar/resource.rs

@@ -1,9 +1,10 @@
 use super::prop::{SupportedCalendarComponentSet, SupportedCalendarData};
 use crate::Error;
-use crate::calendar::prop::ReportMethod;
+use crate::calendar::prop::{ReportMethod, SupportedCollationSet};
+use caldata::IcalParser;
+use caldata::types::CalDateTime;
 use chrono::{DateTime, Utc};
 use derive_more::derive::{From, Into};
-use ical::IcalParser;
 use rustical_dav::extensions::{
     CommonPropertiesExtension, CommonPropertiesProp, SyncTokenExtension, SyncTokenExtensionProp,
 };
@@ -11,14 +12,14 @@ 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};
 use rustical_xml::{XmlDeserialize, XmlSerialize};
 use serde::Deserialize;
+use std::borrow::Cow;
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "CalendarPropName")]
 pub enum CalendarProp {
     // CalDAV (RFC 4791)
@@ -39,7 +40,9 @@ pub enum CalendarProp {
     SupportedCalendarComponentSet(SupportedCalendarComponentSet),
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV", skip_deserializing)]
     SupportedCalendarData(SupportedCalendarData),
-    #[xml(ns = "rustical_dav::namespace::NS_DAV")]
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV", skip_deserializing)]
+    SupportedCollationSet(SupportedCollationSet),
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     MaxResourceSize(i64),
     #[xml(skip_deserializing)]
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]
@@ -54,7 +57,7 @@ pub enum CalendarProp {
     MaxDateTime(String),
 }
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "CalendarPropWrapperName", untagged)]
 pub enum CalendarPropWrapper {
     Calendar(CalendarProp),
@@ -70,8 +73,8 @@ pub struct CalendarResource {
 }
 
 impl ResourceName for CalendarResource {
-    fn get_name(&self) -> String {
-        self.cal.id.to_owned()
+    fn get_name(&self) -> Cow<'_, str> {
+        Cow::from(&self.cal.id)
     }
 }
 
@@ -89,7 +92,7 @@ impl SyncTokenExtension for CalendarResource {
 
 impl DavPushExtension for CalendarResource {
     fn get_topic(&self) -> String {
-        self.cal.push_topic.to_owned()
+        self.cal.push_topic.clone()
     }
 }
 
@@ -135,7 +138,9 @@ impl Resource for CalendarResource {
                 }
                 CalendarPropName::CalendarTimezone => {
                     CalendarProp::CalendarTimezone(self.cal.timezone_id.as_ref().and_then(|tzid| {
-                        vtimezones_rs::VTIMEZONES.get(tzid).map(|tz| tz.to_string())
+                        vtimezones_rs::VTIMEZONES
+                            .get(tzid)
+                            .map(|tz| (*tz).to_string())
                     }))
                 }
                 // chrono_tz uses the IANA database
@@ -154,13 +159,16 @@ impl Resource for CalendarResource {
                 CalendarPropName::SupportedCalendarData => {
                     CalendarProp::SupportedCalendarData(SupportedCalendarData::default())
                 }
-                CalendarPropName::MaxResourceSize => CalendarProp::MaxResourceSize(10000000),
+                CalendarPropName::SupportedCollationSet => {
+                    CalendarProp::SupportedCollationSet(SupportedCollationSet::default())
+                }
+                CalendarPropName::MaxResourceSize => CalendarProp::MaxResourceSize(10_000_000),
                 CalendarPropName::SupportedReportSet => {
                     CalendarProp::SupportedReportSet(SupportedReportSet::all())
                 }
-                CalendarPropName::Source => CalendarProp::Source(
-                    self.cal.subscription_url.to_owned().map(HrefElement::from),
-                ),
+                CalendarPropName::Source => {
+                    CalendarProp::Source(self.cal.subscription_url.clone().map(HrefElement::from))
+                }
                 CalendarPropName::MinDateTime => {
                     CalendarProp::MinDateTime(CalDateTime::from(DateTime::<Utc>::MIN_UTC).format())
                 }
@@ -181,9 +189,6 @@ impl Resource for CalendarResource {
     }
 
     fn set_prop(&mut self, prop: Self::Prop) -> Result<(), rustical_dav::Error> {
-        if self.read_only {
-            return Err(rustical_dav::Error::PropReadOnly);
-        }
         match prop {
             CalendarPropWrapper::Calendar(prop) => match prop {
                 CalendarProp::CalendarColor(color) => {
@@ -197,33 +202,30 @@ 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(rustical_dav::Error::BadRequest(
+                            .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(),
                                 )
                             })?;
 
-                        let timezone =
-                            calendar
-                                .timezones
-                                .first()
-                                .ok_or(rustical_dav::Error::BadRequest(
-                                    "No timezone data provided".to_owned(),
-                                ))?;
-                        let timezone: chrono_tz::Tz = timezone.try_into().map_err(|_| {
+                        let timezone = calendar.vtimezones.values().next().ok_or_else(|| {
+                            rustical_dav::Error::BadRequest("No timezone data provided".to_owned())
+                        })?;
+                        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(())
                 }
-                CalendarProp::TimezoneServiceSet(_) => Err(rustical_dav::Error::PropReadOnly),
                 CalendarProp::CalendarTimezoneId(timezone_id) => {
                     if let Some(tzid) = &timezone_id
                         && !vtimezones_rs::VTIMEZONES.contains_key(tzid)
@@ -243,13 +245,14 @@ impl Resource for CalendarResource {
                     self.cal.components = comp_set.into();
                     Ok(())
                 }
-                CalendarProp::SupportedCalendarData(_) => Err(rustical_dav::Error::PropReadOnly),
-                CalendarProp::MaxResourceSize(_) => Err(rustical_dav::Error::PropReadOnly),
-                CalendarProp::SupportedReportSet(_) => Err(rustical_dav::Error::PropReadOnly),
-                // Converting between a calendar subscription calendar and a normal one would be weird
-                CalendarProp::Source(_) => Err(rustical_dav::Error::PropReadOnly),
-                CalendarProp::MinDateTime(_) => Err(rustical_dav::Error::PropReadOnly),
-                CalendarProp::MaxDateTime(_) => Err(rustical_dav::Error::PropReadOnly),
+                CalendarProp::TimezoneServiceSet(_)
+                | CalendarProp::SupportedCalendarData(_)
+                | CalendarProp::SupportedCollationSet(_)
+                | CalendarProp::MaxResourceSize(_)
+                | CalendarProp::SupportedReportSet(_)
+                | CalendarProp::Source(_)
+                | CalendarProp::MinDateTime(_)
+                | CalendarProp::MaxDateTime(_) => Err(rustical_dav::Error::PropReadOnly),
             },
             CalendarPropWrapper::SyncToken(prop) => SyncTokenExtension::set_prop(self, prop),
             CalendarPropWrapper::DavPush(prop) => DavPushExtension::set_prop(self, prop),
@@ -258,9 +261,6 @@ impl Resource for CalendarResource {
     }
 
     fn remove_prop(&mut self, prop: &CalendarPropWrapperName) -> Result<(), rustical_dav::Error> {
-        if self.read_only {
-            return Err(rustical_dav::Error::PropReadOnly);
-        }
         match prop {
             CalendarPropWrapperName::Calendar(prop) => match prop {
                 CalendarPropName::CalendarColor => {
@@ -275,7 +275,6 @@ impl Resource for CalendarResource {
                     self.cal.timezone_id = None;
                     Ok(())
                 }
-                CalendarPropName::TimezoneServiceSet => Err(rustical_dav::Error::PropReadOnly),
                 CalendarPropName::CalendarOrder => {
                     self.cal.meta.order = 0;
                     Ok(())
@@ -283,13 +282,14 @@ impl Resource for CalendarResource {
                 CalendarPropName::SupportedCalendarComponentSet => {
                     Err(rustical_dav::Error::PropReadOnly)
                 }
-                CalendarPropName::SupportedCalendarData => Err(rustical_dav::Error::PropReadOnly),
-                CalendarPropName::MaxResourceSize => Err(rustical_dav::Error::PropReadOnly),
-                CalendarPropName::SupportedReportSet => Err(rustical_dav::Error::PropReadOnly),
-                // Converting a calendar subscription calendar into a normal one would be weird
-                CalendarPropName::Source => Err(rustical_dav::Error::PropReadOnly),
-                CalendarPropName::MinDateTime => Err(rustical_dav::Error::PropReadOnly),
-                CalendarPropName::MaxDateTime => Err(rustical_dav::Error::PropReadOnly),
+                CalendarPropName::TimezoneServiceSet
+                | CalendarPropName::SupportedCalendarData
+                | CalendarPropName::SupportedCollationSet
+                | CalendarPropName::MaxResourceSize
+                | CalendarPropName::SupportedReportSet
+                | CalendarPropName::Source
+                | CalendarPropName::MinDateTime
+                | CalendarPropName::MaxDateTime => Err(rustical_dav::Error::PropReadOnly),
             },
             CalendarPropWrapperName::SyncToken(prop) => SyncTokenExtension::remove_prop(self, prop),
             CalendarPropWrapperName::DavPush(prop) => DavPushExtension::remove_prop(self, prop),
@@ -312,16 +312,11 @@ impl Resource for CalendarResource {
     }
 
     fn get_user_privileges(&self, user: &Principal) -> Result<UserPrivilegeSet, Self::Error> {
-        if self.cal.subscription_url.is_some() {
+        if self.cal.subscription_url.is_some() || self.read_only {
             return Ok(UserPrivilegeSet::owner_write_properties(
                 user.is_principal(&self.cal.principal),
             ));
         }
-        if self.read_only {
-            return Ok(UserPrivilegeSet::owner_read(
-                user.is_principal(&self.cal.principal),
-            ));
-        }
 
         Ok(UserPrivilegeSet::owner_only(
             user.is_principal(&self.cal.principal),

crates/caldav/src/calendar/service.rs

@@ -6,7 +6,7 @@ use crate::calendar::methods::report::route_report_calendar;
 use crate::calendar::resource::CalendarResource;
 use crate::calendar_object::CalendarObjectResourceService;
 use crate::calendar_object::resource::CalendarObjectResource;
-use crate::{CalDavPrincipalUri, Error};
+use crate::{CalDavConfig, CalDavPrincipalUri, Error};
 use async_trait::async_trait;
 use axum::Router;
 use axum::extract::Request;
@@ -23,6 +23,7 @@ use tower::Service;
 pub struct CalendarResourceService<C: CalendarStore, S: SubscriptionStore> {
     pub(crate) cal_store: Arc<C>,
     pub(crate) sub_store: Arc<S>,
+    pub(crate) config: Arc<CalDavConfig>,
 }
 
 impl<C: CalendarStore, S: SubscriptionStore> Clone for CalendarResourceService<C, S> {
@@ -30,15 +31,17 @@ impl<C: CalendarStore, S: SubscriptionStore> Clone for CalendarResourceService<C
         Self {
             cal_store: self.cal_store.clone(),
             sub_store: self.sub_store.clone(),
+            config: self.config.clone(),
         }
     }
 }
 
 impl<C: CalendarStore, S: SubscriptionStore> CalendarResourceService<C, S> {
-    pub fn new(cal_store: Arc<C>, sub_store: Arc<S>) -> Self {
+    pub const fn new(cal_store: Arc<C>, sub_store: Arc<S>, config: Arc<CalDavConfig>) -> Self {
         Self {
             cal_store,
             sub_store,
+            config,
         }
     }
 }
@@ -78,8 +81,9 @@ 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 +95,7 @@ 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(())
     }
@@ -111,7 +115,8 @@ impl<C: CalendarStore, S: SubscriptionStore> ResourceService for CalendarResourc
         Router::new()
             .nest(
                 "/{object_id}",
-                CalendarObjectResourceService::new(self.cal_store.clone()).axum_router(),
+                CalendarObjectResourceService::new(self.cal_store.clone(), self.config.clone())
+                    .axum_router(),
             )
             .route_service("/", self.axum_service())
     }

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

@@ -0,0 +1,200 @@
+---
+source: crates/caldav/src/calendar/tests.rs
+expression: output
+---
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns="DAV:">
+    <href>/caldav/principal/user/calendar/</href>
+    <propstat>
+        <prop xmlns="DAV:">
+            <calendar-timezone xmlns="urn:ietf:params:xml:ns:caldav">BEGIN:VCALENDAR
+PRODID:-//github.com/lennart-k/vzic-rs//RustiCal Calendar server//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:Europe/Berlin
+LAST-MODIFIED:20260124T185655Z
+X-LIC-LOCATION:Europe/Berlin
+X-PROLEPTIC-TZNAME:LMT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+005328
+TZOFFSETTO:+0100
+DTSTART:18930401T000000
+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
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19161001T010000
+RDATE:19421102T030000
+RDATE:19431004T030000
+RDATE:19441002T030000
+RDATE:19451118T030000
+RDATE:19461007T030000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19170416T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=3MO;UNTIL=19180415T010000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19170917T030000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=3MO;UNTIL=19180916T010000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19440403T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1MO;UNTIL=19450402T010000Z
+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
+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
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19810329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19961027T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
+</calendar-timezone>
+            <timezone-service-set xmlns="urn:ietf:params:xml:ns:caldav">
+                <href xmlns="DAV:">https://www.iana.org/time-zones</href>
+            </timezone-service-set>
+            <calendar-timezone-id xmlns="urn:ietf:params:xml:ns:caldav">Europe/Berlin</calendar-timezone-id>
+            <calendar-order xmlns="http://apple.com/ns/ical/">0</calendar-order>
+            <supported-calendar-component-set xmlns="urn:ietf:params:xml:ns:caldav">
+                <comp xmlns="urn:ietf:params:xml:ns:caldav" name="VEVENT"/>
+                <comp xmlns="urn:ietf:params:xml:ns:caldav" name="VTODO"/>
+            </supported-calendar-component-set>
+            <supported-calendar-data xmlns="urn:ietf:params:xml:ns:caldav">
+                <calendar-data xmlns="urn:ietf:params:xml:ns:caldav" content-type="text/calendar" version="2.0"/>
+            </supported-calendar-data>
+            <supported-collation-set xmlns="urn:ietf:params:xml:ns:caldav">
+                <supported-collation xmlns="urn:ietf:params:xml:ns:caldav">i;ascii-casemap</supported-collation>
+                <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="urn:ietf:params:xml:ns:caldav">10000000</max-resource-size>
+            <supported-report-set xmlns="DAV:">
+                <supported-report xmlns="DAV:">
+                    <report xmlns="DAV:">
+                        <calendar-query xmlns="urn:ietf:params:xml:ns:caldav"/>
+                    </report>
+                </supported-report>
+                <supported-report xmlns="DAV:">
+                    <report xmlns="DAV:">
+                        <calendar-multiget xmlns="urn:ietf:params:xml:ns:caldav"/>
+                    </report>
+                </supported-report>
+                <supported-report xmlns="DAV:">
+                    <report xmlns="DAV:">
+                        <sync-collection xmlns="DAV:"/>
+                    </report>
+                </supported-report>
+            </supported-report-set>
+            <min-date-time xmlns="urn:ietf:params:xml:ns:caldav">-2621430101T000000Z</min-date-time>
+            <max-date-time xmlns="urn:ietf:params:xml:ns:caldav">+2621421231T235959Z</max-date-time>
+            <sync-token xmlns="DAV:">github.com/lennart-k/rustical/ns/12</sync-token>
+            <getctag xmlns="http://calendarserver.org/ns/">github.com/lennart-k/rustical/ns/12</getctag>
+            <transports xmlns="https://bitfire.at/webdav-push">
+                <web-push xmlns="https://bitfire.at/webdav-push"/>
+            </transports>
+            <topic xmlns="https://bitfire.at/webdav-push">b28b41e9-8801-4fc5-ae29-8efb5fadeb36</topic>
+            <supported-triggers xmlns="https://bitfire.at/webdav-push">
+                <content-update xmlns="https://bitfire.at/webdav-push">
+                    <depth xmlns="DAV:">1</depth>
+                </content-update>
+                <property-update xmlns="https://bitfire.at/webdav-push">
+                    <depth xmlns="DAV:">1</depth>
+                </property-update>
+            </supported-triggers>
+            <resourcetype xmlns="DAV:">
+                <collection xmlns="DAV:"/>
+                <calendar xmlns="urn:ietf:params:xml:ns:caldav"/>
+            </resourcetype>
+            <displayname xmlns="DAV:">Calendar</displayname>
+            <current-user-principal xmlns="DAV:">
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </current-user-principal>
+            <current-user-privilege-set xmlns="DAV:">
+                <privilege>
+                    <read/>
+                </privilege>
+                <privilege>
+                    <write-properties/>
+                </privilege>
+                <privilege>
+                    <read-acl/>
+                </privilege>
+                <privilege>
+                    <read-current-user-privilege-set/>
+                </privilege>
+            </current-user-privilege-set>
+            <owner xmlns="DAV:">
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </owner>
+        </prop>
+        <status xmlns="DAV:">HTTP/1.1 200 OK</status>
+    </propstat>
+</response>

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

@@ -0,0 +1,37 @@
+---
+source: crates/caldav/src/calendar/tests.rs
+expression: output
+---
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns="DAV:">
+    <href>/caldav/principal/user/calendar/</href>
+    <propstat>
+        <prop xmlns="DAV:">
+            <calendar-color xmlns="http://apple.com/ns/ical/"/>
+            <calendar-description xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <calendar-timezone xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <timezone-service-set xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <calendar-timezone-id xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <calendar-order xmlns="http://apple.com/ns/ical/"/>
+            <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="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"/>
+            <max-date-time xmlns="urn:ietf:params:xml:ns:caldav"/>
+            <sync-token xmlns="DAV:"/>
+            <getctag xmlns="http://calendarserver.org/ns/"/>
+            <transports xmlns="https://bitfire.at/webdav-push"/>
+            <topic xmlns="https://bitfire.at/webdav-push"/>
+            <supported-triggers xmlns="https://bitfire.at/webdav-push"/>
+            <resourcetype xmlns="DAV:"/>
+            <displayname xmlns="DAV:"/>
+            <current-user-principal xmlns="DAV:"/>
+            <current-user-privilege-set xmlns="DAV:"/>
+            <owner xmlns="DAV:"/>
+        </prop>
+        <status xmlns="DAV:">HTTP/1.1 200 OK</status>
+    </propstat>
+</response>

crates/caldav/src/calendar/test_files/propfind.outputs

@@ -1,222 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<response 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">
-    <href>/caldav/principal/user/calendar/</href>
-    <propstat>
-        <prop>
-            <calendar-color xmlns="http://apple.com/ns/ical/"/>
-            <calendar-description xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <calendar-timezone xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <timezone-service-set xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <calendar-timezone-id xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <calendar-order xmlns="http://apple.com/ns/ical/"/>
-            <supported-calendar-component-set xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <supported-calendar-data xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <max-resource-size xmlns="DAV:"/>
-            <supported-report-set xmlns="DAV:"/>
-            <source xmlns="http://calendarserver.org/ns/"/>
-            <min-date-time xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <max-date-time xmlns="urn:ietf:params:xml:ns:caldav"/>
-            <sync-token xmlns="DAV:"/>
-            <getctag xmlns="http://calendarserver.org/ns/"/>
-            <transports xmlns="https://bitfire.at/webdav-push"/>
-            <topic xmlns="https://bitfire.at/webdav-push"/>
-            <supported-triggers xmlns="https://bitfire.at/webdav-push"/>
-            <resourcetype xmlns="DAV:"/>
-            <displayname xmlns="DAV:"/>
-            <current-user-principal xmlns="DAV:"/>
-            <current-user-privilege-set xmlns="DAV:"/>
-            <owner xmlns="DAV:"/>
-        </prop>
-        <status>HTTP/1.1 200 OK</status>
-    </propstat>
-</response>
-
-
-<?xml version="1.0" encoding="utf-8"?>
-<response 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">
-    <href>/caldav/principal/user/calendar/</href>
-    <propstat>
-        <prop>
-            <CAL:calendar-timezone>BEGIN:VCALENDAR
-PRODID:-//github.com/lennart-k/vzic-rs//RustiCal Calendar server//EN
-VERSION:2.0
-BEGIN:VTIMEZONE
-TZID:Europe/Berlin
-LAST-MODIFIED:20250723T190331Z
-X-LIC-LOCATION:Europe/Berlin
-X-PROLEPTIC-TZNAME:LMT
-BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+005328
-TZOFFSETTO:+0100
-DTSTART:18930401T000000
-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
-END:DAYLIGHT
-BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19161001T010000
-RDATE:19421102T030000
-RDATE:19431004T030000
-RDATE:19441002T030000
-RDATE:19451118T030000
-RDATE:19461007T030000
-END:STANDARD
-BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19170416T020000
-RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=3MO;UNTIL=19180415T010000Z
-END:DAYLIGHT
-BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19170917T030000
-RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=3MO;UNTIL=19180916T010000Z
-END:STANDARD
-BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19440403T020000
-RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1MO;UNTIL=19450402T010000Z
-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
-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
-END:STANDARD
-BEGIN:DAYLIGHT
-TZNAME:CEST
-TZOFFSETFROM:+0100
-TZOFFSETTO:+0200
-DTSTART:19810329T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-END:DAYLIGHT
-BEGIN:STANDARD
-TZNAME:CET
-TZOFFSETFROM:+0200
-TZOFFSETTO:+0100
-DTSTART:19961027T030000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
-END:STANDARD
-END:VTIMEZONE
-END:VCALENDAR
-</CAL:calendar-timezone>
-            <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>
-            <calendar-order xmlns="http://apple.com/ns/ical/">0</calendar-order>
-            <CAL:supported-calendar-component-set>
-                <CAL:comp name="VEVENT"/>
-                <CAL:comp name="VTODO"/>
-            </CAL:supported-calendar-component-set>
-            <CAL:supported-calendar-data>
-                <CAL:calendar-data content-type="text/calendar" version="2.0"/>
-            </CAL:supported-calendar-data>
-            <max-resource-size>10000000</max-resource-size>
-            <supported-report-set>
-                <supported-report>
-                    <report>
-                        <CAL:calendar-query/>
-                    </report>
-                </supported-report>
-                <supported-report>
-                    <report>
-                        <CAL:calendar-multiget/>
-                    </report>
-                </supported-report>
-                <supported-report>
-                    <report>
-                        <sync-collection/>
-                    </report>
-                </supported-report>
-            </supported-report-set>
-            <CAL:min-date-time>-2621430101T000000Z</CAL:min-date-time>
-            <CAL:max-date-time>+2621421231T235959Z</CAL:max-date-time>
-            <sync-token>github.com/lennart-k/rustical/ns/12</sync-token>
-            <CS:getctag>github.com/lennart-k/rustical/ns/12</CS:getctag>
-            <PUSH:transports>
-                <PUSH:web-push/>
-            </PUSH:transports>
-            <PUSH:topic>b28b41e9-8801-4fc5-ae29-8efb5fadeb36</PUSH:topic>
-            <PUSH:supported-triggers>
-                <PUSH:content-update>
-                    <depth>1</depth>
-                </PUSH:content-update>
-                <PUSH:property-update>
-                    <depth>1</depth>
-                </PUSH:property-update>
-            </PUSH:supported-triggers>
-            <resourcetype>
-                <collection/>
-                <CAL:calendar/>
-            </resourcetype>
-            <displayname>Calendar</displayname>
-            <current-user-principal>
-                <href>/caldav/principal/user/</href>
-            </current-user-principal>
-            <current-user-privilege-set>
-                <privilege>
-                    <read/>
-                </privilege>
-                <privilege>
-                    <read-acl/>
-                </privilege>
-                <privilege>
-                    <read-current-user-privilege-set/>
-                </privilege>
-            </current-user-privilege-set>
-            <owner>
-                <href>/caldav/principal/user/</href>
-            </owner>
-        </prop>
-        <status>HTTP/1.1 200 OK</status>
-    </propstat>
-</response>

crates/caldav/src/calendar/tests.rs

@@ -14,14 +14,9 @@ async fn test_propfind() {
         from_str(include_str!("./test_files/propfind.principals.json")).unwrap();
     let resources: Vec<CalendarResource> =
         from_str(include_str!("./test_files/propfind.resources.json")).unwrap();
-    let outputs: Vec<_> = include_str!("./test_files/propfind.outputs")
-        .trim()
-        .split("\n\n")
-        .collect();
 
     for principal in principals {
-        for ((request, resource), &expected_output) in requests.iter().zip(&resources).zip(&outputs)
-        {
+        for (request, resource) in requests.iter().zip(&resources) {
             let propfind = CalendarResource::parse_propfind(request).unwrap();
 
             let response = resource
@@ -33,15 +28,12 @@ async fn test_propfind() {
                     &principal,
                 )
                 .unwrap();
-            let expected_output = expected_output.trim();
             let output = response
                 .serialize_to_string()
                 .unwrap()
                 .trim()
                 .replace("\r\n", "\n");
-            println!("{output}");
-            println!("{}, {} \n\n\n", output.len(), expected_output.len());
-            assert_eq!(output, expected_output);
+            insta::assert_snapshot!(output);
         }
     }
 }

crates/caldav/src/calendar_object/methods.rs

@@ -5,13 +5,14 @@ use axum::body::Body;
 use axum::extract::{Path, State};
 use axum::response::{IntoResponse, Response};
 use axum_extra::TypedHeader;
+use caldata::parser::ParserOptions;
 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, error, instrument};
+use tracing::{instrument, warn};
 
 #[instrument(skip(cal_store))]
 pub async fn get_event<C: CalendarStore>(
@@ -20,7 +21,10 @@ pub async fn get_event<C: CalendarStore>(
         calendar_id,
         object_id,
     }): Path<CalendarObjectPathComponents>,
-    State(CalendarObjectResourceService { cal_store }): State<CalendarObjectResourceService<C>>,
+    State(CalendarObjectResourceService {
+        cal_store,
+        config: _,
+    }): State<CalendarObjectResourceService<C>>,
     user: Principal,
     method: Method,
 ) -> Result<Response, Error> {
@@ -42,7 +46,7 @@ pub async fn get_event<C: CalendarStore>(
     let mut resp = Response::builder().status(StatusCode::OK);
     let hdrs = resp.headers_mut().unwrap();
     hdrs.typed_insert(ETag::from_str(&event.get_etag()).unwrap());
-    hdrs.typed_insert(ContentType::from_str("text/calendar").unwrap());
+    hdrs.typed_insert(ContentType::from_str("text/calendar; charset=utf-8").unwrap());
     if matches!(method, Method::HEAD) {
         Ok(resp.body(Body::empty()).unwrap())
     } else {
@@ -57,7 +61,9 @@ pub async fn put_event<C: CalendarStore>(
         calendar_id,
         object_id,
     }): Path<CalendarObjectPathComponents>,
-    State(CalendarObjectResourceService { cal_store }): State<CalendarObjectResourceService<C>>,
+    State(CalendarObjectResourceService { cal_store, config }): State<
+        CalendarObjectResourceService<C>,
+    >,
     user: Principal,
     mut if_none_match: Option<TypedHeader<IfNoneMatch>>,
     header_map: HeaderMap,
@@ -73,29 +79,49 @@ 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 object = match CalendarObject::from_ics(body.clone()) {
-        Ok(obj) => obj,
-        Err(_) => {
-            debug!("invalid calendar data:\n{body}");
+    let object = match CalendarObject::import(
+        &body,
+        Some(ParserOptions {
+            rfc7809: config.rfc7809,
+        }),
+    ) {
+        Ok(object) => object,
+        Err(err) => {
+            warn!("invalid calendar data:\n{body}");
+            warn!("{err}");
             return Err(Error::PreconditionFailed(Precondition::ValidCalendarData));
         }
     };
-    if object.get_id() != object_id {
-        error!(
-            "Calendar object UID and file name not matching: UID={}, filename={}",
-            object.get_id(),
-            object_id
-        );
-        return Err(Error::PreconditionFailed(Precondition::MatchingUid));
-    }
+    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

@@ -1,8 +1,8 @@
 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, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "CalendarObjectPropName")]
 pub enum CalendarObjectProp {
     // WebDAV (RFC 2518)
@@ -17,7 +17,7 @@ pub enum CalendarObjectProp {
     CalendarData(String),
 }
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "CalendarObjectPropWrapperName", untagged)]
 pub enum CalendarObjectPropWrapper {
     CalendarObject(CalendarObjectProp),
@@ -25,7 +25,7 @@ pub enum CalendarObjectPropWrapper {
 }
 
 #[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq, Hash)]
-pub(crate) struct ExpandElement {
+pub struct ExpandElement {
     #[xml(ty = "attr")]
     pub(crate) start: UtcDateTime,
     #[xml(ty = "attr")]
@@ -35,7 +35,9 @@ pub(crate) 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

@@ -1,5 +1,9 @@
-use super::prop::*;
+use super::prop::{
+    CalendarData, CalendarObjectProp, CalendarObjectPropName, CalendarObjectPropWrapper,
+    CalendarObjectPropWrapperName,
+};
 use crate::Error;
+use caldata::generator::Emitter;
 use derive_more::derive::{From, Into};
 use rustical_dav::{
     extensions::CommonPropertiesExtension,
@@ -9,16 +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) -> String {
-        format!("{}.ics", self.object.get_id())
+    fn get_name(&self) -> Cow<'_, str> {
+        Cow::from(format!("{}.ics", self.object_id))
     }
 }
 
@@ -48,14 +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(
+                        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()),
-                            )?
-                        } else {
-                            self.object.get_ics().to_owned()
-                        })
+                                    )
+                                    .generate()
+                            },
+                        ))
                     }
                     CalendarObjectPropName::Getcontenttype => {
                         CalendarObjectProp::Getcontenttype("text/calendar;charset=utf-8")

crates/caldav/src/calendar_object/service.rs

@@ -1,5 +1,5 @@
 use crate::{
-    CalDavPrincipalUri, Error,
+    CalDavConfig, CalDavPrincipalUri, Error,
     calendar_object::{
         methods::{get_event, put_event},
         resource::CalendarObjectResource,
@@ -24,19 +24,21 @@ pub struct CalendarObjectPathComponents {
 
 pub struct CalendarObjectResourceService<C: CalendarStore> {
     pub(crate) cal_store: Arc<C>,
+    pub(crate) config: Arc<CalDavConfig>,
 }
 
 impl<C: CalendarStore> Clone for CalendarObjectResourceService<C> {
     fn clone(&self) -> Self {
         Self {
             cal_store: self.cal_store.clone(),
+            config: self.config.clone(),
         }
     }
 }
 
 impl<C: CalendarStore> CalendarObjectResourceService<C> {
-    pub fn new(cal_store: Arc<C>) -> Self {
-        Self { cal_store }
+    pub const fn new(cal_store: Arc<C>, config: Arc<CalDavConfig>) -> Self {
+        Self { cal_store, config }
     }
 }
 
@@ -66,6 +68,7 @@ impl<C: CalendarStore> ResourceService for CalendarObjectResourceService<C> {
             .await?;
         Ok(CalendarObjectResource {
             object,
+            object_id: object_id.to_owned(),
             principal: principal.to_owned(),
         })
     }
@@ -106,9 +109,8 @@ where
     D: Deserializer<'de>,
 {
     let name: String = Deserialize::deserialize(deserializer)?;
-    if let Some(object_id) = name.strip_suffix(".ics") {
-        Ok(object_id.to_owned())
-    } else {
-        Err(serde::de::Error::custom("Missing .ics extension"))
-    }
+    name.strip_suffix(".ics").map_or_else(
+        || Err(serde::de::Error::custom("Missing .ics extension")),
+        |object_id| Ok(object_id.to_owned()),
+    )
 }

crates/caldav/src/error.rs

@@ -12,8 +12,9 @@ pub enum Precondition {
     #[error("valid-calendar-data")]
     #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
     ValidCalendarData,
-    #[error("matching-uid")]
-    MatchingUid,
+    #[error("calendar-timezone")]
+    #[xml(ns = "rustical_dav::namespace::NS_CALDAV")]
+    CalendarTimezone(&'static str),
 }
 
 impl IntoResponse for Precondition {
@@ -25,7 +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()
     }
@@ -54,41 +55,40 @@ pub enum Error {
     #[error(transparent)]
     XmlDecodeError(#[from] rustical_xml::XmlError),
 
-    #[error(transparent)]
-    IcalError(#[from] rustical_ical::Error),
-
     #[error(transparent)]
     PreconditionFailed(Precondition),
 }
 
 impl Error {
+    #[must_use]
     pub fn status_code(&self) -> StatusCode {
         match self {
-            Error::StoreError(err) => match err {
+            Self::StoreError(err) => match err {
                 rustical_store::Error::NotFound => StatusCode::NOT_FOUND,
                 rustical_store::Error::AlreadyExists => StatusCode::CONFLICT,
                 rustical_store::Error::ReadOnly => StatusCode::FORBIDDEN,
                 _ => StatusCode::INTERNAL_SERVER_ERROR,
             },
-            Error::ChronoParseError(_) => StatusCode::INTERNAL_SERVER_ERROR,
-            Error::DavError(err) => StatusCode::try_from(err.status_code().as_u16())
+            Self::DavError(err) => StatusCode::try_from(err.status_code().as_u16())
                 .expect("Just converting between versions"),
-            Error::Unauthorized => StatusCode::UNAUTHORIZED,
-            Error::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
-            Error::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
-            Error::NotFound => StatusCode::NOT_FOUND,
-            Error::IcalError(err) => err.status_code(),
-            Error::PreconditionFailed(_err) => StatusCode::PRECONDITION_FAILED,
+            Self::Unauthorized => StatusCode::UNAUTHORIZED,
+            Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
+            Self::ChronoParseError(_) | Self::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
+            Self::NotFound => StatusCode::NOT_FOUND,
+            // 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/caldav/src/lib.rs

@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic, clippy::nursery)]
+#![allow(clippy::missing_errors_doc, clippy::missing_panics_doc)]
 use axum::{Extension, Router};
 use derive_more::Constructor;
 use principal::PrincipalResourceService;
@@ -6,6 +8,7 @@ use rustical_dav::resources::RootResourceService;
 use rustical_store::auth::middleware::AuthenticationLayer;
 use rustical_store::auth::{AuthenticationProvider, Principal};
 use rustical_store::{CalendarStore, SubscriptionStore};
+use serde::{Deserialize, Serialize};
 use std::sync::Arc;
 
 pub mod calendar;
@@ -32,17 +35,36 @@ pub fn caldav_router<AP: AuthenticationProvider, C: CalendarStore, S: Subscripti
     store: Arc<C>,
     subscription_store: Arc<S>,
     simplified_home_set: bool,
+    config: Arc<CalDavConfig>,
 ) -> Router {
     Router::new().nest(
         prefix,
         RootResourceService::<_, Principal, CalDavPrincipalUri>::new(PrincipalResourceService {
             auth_provider: auth_provider.clone(),
-            sub_store: subscription_store.clone(),
-            cal_store: store.clone(),
+            sub_store: subscription_store,
+            cal_store: store,
             simplified_home_set,
+            config,
         })
         .axum_router()
         .layer(AuthenticationLayer::new(auth_provider))
         .layer(Extension(CalDavPrincipalUri(prefix))),
     )
 }
+
+const fn default_true() -> bool {
+    true
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+#[serde(deny_unknown_fields, default)]
+pub struct CalDavConfig {
+    #[serde(default = "default_true")]
+    rfc7809: bool,
+}
+
+impl Default for CalDavConfig {
+    fn default() -> Self {
+        Self { rfc7809: true }
+    }
+}

crates/caldav/src/principal/mod.rs

@@ -6,6 +6,7 @@ use rustical_dav::xml::{
     GroupMemberSet, GroupMembership, Resourcetype, ResourcetypeInner, SupportedReportSet,
 };
 use rustical_store::auth::Principal;
+use std::borrow::Cow;
 
 mod service;
 pub use service::*;
@@ -23,8 +24,8 @@ pub struct PrincipalResource {
 }
 
 impl ResourceName for PrincipalResource {
-    fn get_name(&self) -> String {
-        self.principal.id.to_owned()
+    fn get_name(&self) -> Cow<'_, str> {
+        Cow::from(&self.principal.id)
     }
 }
 
@@ -56,7 +57,7 @@ impl Resource for PrincipalResource {
             PrincipalPropWrapperName::Principal(prop) => {
                 PrincipalPropWrapper::Principal(match prop {
                     PrincipalPropName::CalendarUserType => {
-                        PrincipalProp::CalendarUserType(self.principal.principal_type.to_owned())
+                        PrincipalProp::CalendarUserType(self.principal.principal_type.clone())
                     }
                     PrincipalPropName::PrincipalUrl => {
                         PrincipalProp::PrincipalUrl(principal_url.into())

crates/caldav/src/principal/prop.rs

@@ -6,7 +6,7 @@ use rustical_store::auth::PrincipalType;
 use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
 use strum_macros::VariantArray;
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName, Debug)]
 #[xml(unit_variants_ident = "PrincipalPropName")]
 pub enum PrincipalProp {
     // Scheduling Extensions to CalDAV (RFC 6638)
@@ -34,17 +34,17 @@ pub enum PrincipalProp {
     CalendarHomeSet(CalendarHomeSet),
 }
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, Debug)]
 pub struct CalendarHomeSet(#[xml(ty = "untagged", flatten)] pub Vec<HrefElement>);
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName, Debug)]
 #[xml(unit_variants_ident = "PrincipalPropWrapperName", untagged)]
 pub enum PrincipalPropWrapper {
     Principal(PrincipalProp),
     Common(CommonPropertiesProp),
 }
 
-#[derive(XmlSerialize, PartialEq, Clone, VariantArray)]
+#[derive(XmlSerialize, PartialEq, Eq, Debug, Clone, VariantArray)]
 pub enum ReportMethod {
     // We don't actually support principal-match
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]

crates/caldav/src/principal/service.rs

@@ -1,7 +1,7 @@
 use crate::calendar::CalendarResourceService;
 use crate::calendar::resource::CalendarResource;
 use crate::principal::PrincipalResource;
-use crate::{CalDavPrincipalUri, Error};
+use crate::{CalDavConfig, CalDavPrincipalUri, Error};
 use async_trait::async_trait;
 use axum::Router;
 use rustical_dav::resource::{AxumMethods, ResourceService};
@@ -20,6 +20,7 @@ pub struct PrincipalResourceService<
     pub(crate) cal_store: Arc<CS>,
     // If true only return the principal as the calendar home set, otherwise also groups
     pub(crate) simplified_home_set: bool,
+    pub(crate) config: Arc<CalDavConfig>,
 }
 
 impl<AP: AuthenticationProvider, S: SubscriptionStore, CS: CalendarStore> Clone
@@ -31,6 +32,7 @@ impl<AP: AuthenticationProvider, S: SubscriptionStore, CS: CalendarStore> Clone
             sub_store: self.sub_store.clone(),
             cal_store: self.cal_store.clone(),
             simplified_home_set: self.simplified_home_set,
+            config: self.config.clone(),
         }
     }
 }
@@ -84,7 +86,11 @@ impl<AP: AuthenticationProvider, S: SubscriptionStore, CS: CalendarStore> Resour
         Router::new()
             .nest(
                 "/{calendar_id}",
-                CalendarResourceService::new(self.cal_store.clone(), self.sub_store.clone())
+                CalendarResourceService::new(
+                    self.cal_store.clone(),
+                    self.sub_store.clone(),
+                    self.config.clone(),
+                )
                 .axum_router(),
             )
             .route_service("/", self.axum_service())

crates/caldav/src/principal/snapshots/rustical_caldav__principal__tests__propfind-2.snap

@@ -0,0 +1,136 @@
+---
+source: crates/caldav/src/principal/tests.rs
+expression: response
+---
+ResponseElement {
+    href: "/caldav/principal/user/",
+    status: None,
+    propstat: [
+        Normal(
+            PropstatElement {
+                prop: PropTagWrapper(
+                    [
+                        Principal(
+                            CalendarUserType(
+                                Individual,
+                            ),
+                        ),
+                        Principal(
+                            CalendarUserAddressSet(
+                                HrefElement {
+                                    href: "/caldav/principal/user/",
+                                },
+                            ),
+                        ),
+                        Principal(
+                            PrincipalUrl(
+                                HrefElement {
+                                    href: "/caldav/principal/user/",
+                                },
+                            ),
+                        ),
+                        Principal(
+                            GroupMembership(
+                                GroupMembership(
+                                    [
+                                        HrefElement {
+                                            href: "/caldav/principal/group/",
+                                        },
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Principal(
+                            GroupMemberSet(
+                                GroupMemberSet(
+                                    [],
+                                ),
+                            ),
+                        ),
+                        Principal(
+                            AlternateUriSet,
+                        ),
+                        Principal(
+                            SupportedReportSet(
+                                SupportedReportSet {
+                                    supported_report: [
+                                        ReportWrapper {
+                                            report: PrincipalMatch,
+                                        },
+                                    ],
+                                },
+                            ),
+                        ),
+                        Principal(
+                            CalendarHomeSet(
+                                CalendarHomeSet(
+                                    [
+                                        HrefElement {
+                                            href: "/caldav/principal/group/",
+                                        },
+                                        HrefElement {
+                                            href: "/caldav/principal/user/",
+                                        },
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Common(
+                            Resourcetype(
+                                Resourcetype(
+                                    [
+                                        ResourcetypeInner(
+                                            Some(
+                                                Namespace("DAV:"),
+                                            ),
+                                            "collection",
+                                        ),
+                                        ResourcetypeInner(
+                                            Some(
+                                                Namespace("DAV:"),
+                                            ),
+                                            "principal",
+                                        ),
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Common(
+                            Displayname(
+                                Some(
+                                    "user",
+                                ),
+                            ),
+                        ),
+                        Common(
+                            CurrentUserPrincipal(
+                                HrefElement {
+                                    href: "/caldav/principal/user/",
+                                },
+                            ),
+                        ),
+                        Common(
+                            CurrentUserPrivilegeSet(
+                                UserPrivilegeSet {
+                                    privileges: {
+                                        All,
+                                    },
+                                },
+                            ),
+                        ),
+                        Common(
+                            Owner(
+                                Some(
+                                    HrefElement {
+                                        href: "/caldav/principal/user/",
+                                    },
+                                ),
+                            ),
+                        ),
+                    ],
+                ),
+                status: 200,
+            },
+        ),
+    ],
+}

crates/caldav/src/principal/snapshots/rustical_caldav__principal__tests__propfind-3.snap

@@ -0,0 +1,53 @@
+---
+source: crates/caldav/src/principal/tests.rs
+expression: response.serialize_to_string().unwrap()
+---
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns="DAV:">
+    <href>/caldav/principal/user/</href>
+    <propstat>
+        <prop xmlns="DAV:">
+            <calendar-user-type xmlns="urn:ietf:params:xml:ns:caldav">INDIVIDUAL</calendar-user-type>
+            <calendar-user-address-set xmlns="urn:ietf:params:xml:ns:caldav">
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </calendar-user-address-set>
+            <principal-URL xmlns="DAV:">
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </principal-URL>
+            <group-membership xmlns="DAV:">
+                <href xmlns="DAV:">/caldav/principal/group/</href>
+            </group-membership>
+            <group-member-set xmlns="DAV:">
+            </group-member-set>
+            <alternate-URI-set xmlns="DAV:"/>
+            <supported-report-set xmlns="DAV:">
+                <supported-report xmlns="DAV:">
+                    <report xmlns="DAV:">
+                        <principal-match xmlns="DAV:"/>
+                    </report>
+                </supported-report>
+            </supported-report-set>
+            <calendar-home-set xmlns="urn:ietf:params:xml:ns:caldav">
+                <href xmlns="DAV:">/caldav/principal/group/</href>
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </calendar-home-set>
+            <resourcetype xmlns="DAV:">
+                <collection xmlns="DAV:"/>
+                <principal xmlns="DAV:"/>
+            </resourcetype>
+            <displayname xmlns="DAV:">user</displayname>
+            <current-user-principal xmlns="DAV:">
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </current-user-principal>
+            <current-user-privilege-set xmlns="DAV:">
+                <privilege>
+                    <all/>
+                </privilege>
+            </current-user-privilege-set>
+            <owner xmlns="DAV:">
+                <href xmlns="DAV:">/caldav/principal/user/</href>
+            </owner>
+        </prop>
+        <status xmlns="DAV:">HTTP/1.1 200 OK</status>
+    </propstat>
+</response>

crates/caldav/src/principal/snapshots/rustical_caldav__principal__tests__propfind.snap

@@ -0,0 +1,8 @@
+---
+source: crates/caldav/src/principal/tests.rs
+expression: propfind
+---
+PropfindElement {
+    prop: Allprop,
+    include: None,
+}

crates/caldav/src/principal/tests.rs

@@ -1,5 +1,3 @@
-use std::sync::Arc;
-
 use crate::{
     CalDavPrincipalUri,
     principal::{PrincipalResource, PrincipalResourceService},
@@ -7,32 +5,29 @@ use crate::{
 use rstest::rstest;
 use rustical_dav::resource::{Resource, ResourceService};
 use rustical_store::auth::{Principal, PrincipalType::Individual};
-use rustical_store_sqlite::{
-    SqliteStore,
-    calendar_store::SqliteCalendarStore,
-    principal_store::SqlitePrincipalStore,
-    tests::{get_test_calendar_store, get_test_principal_store, get_test_subscription_store},
-};
+use rustical_store_sqlite::tests::{TestStoreContext, test_store_context};
 use rustical_xml::XmlSerializeRoot;
+use std::sync::Arc;
 
 #[rstest]
 #[tokio::test]
 async fn test_principal_resource(
-    #[from(get_test_calendar_store)]
     #[future]
-    cal_store: SqliteCalendarStore,
-    #[from(get_test_principal_store)]
-    #[future]
-    auth_provider: SqlitePrincipalStore,
-    #[from(get_test_subscription_store)]
-    #[future]
-    sub_store: SqliteStore,
+    #[from(test_store_context)]
+    context: TestStoreContext,
 ) {
+    let TestStoreContext {
+        cal_store,
+        sub_store,
+        principal_store: auth_provider,
+        ..
+    } = context.await;
     let service = PrincipalResourceService {
-        cal_store: Arc::new(cal_store.await),
-        sub_store: Arc::new(sub_store.await),
-        auth_provider: Arc::new(auth_provider.await),
+        cal_store: Arc::new(cal_store),
+        sub_store: Arc::new(sub_store),
+        auth_provider: Arc::new(auth_provider),
         simplified_home_set: false,
+        config: Default::default(),
     };
 
     // We don't have any calendars here
@@ -64,6 +59,8 @@ async fn test_propfind() {
     )
     .unwrap();
 
+    insta::assert_debug_snapshot!(propfind);
+
     let principal = Principal {
         id: "user".to_string(),
         displayname: None,
@@ -88,5 +85,6 @@ async fn test_propfind() {
         )
         .unwrap();
 
-    let _output = response.serialize_to_string().unwrap();
+    insta::assert_debug_snapshot!(response);
+    insta::assert_snapshot!(response.serialize_to_string().unwrap());
 }

crates/carddav/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "rustical_carddav"
 version.workspace = true
+rust-version.workspace = true
 edition.workspace = true
 description.workspace = true
 repository.workspace = true
@@ -11,19 +12,19 @@ publish = false
 axum.workspace = true
 axum-extra.workspace = true
 tower.workspace = true
-async-trait = { workspace = true }
-thiserror = { workspace = true }
-quick-xml = { workspace = true }
-tracing = { workspace = true }
-futures-util = { workspace = true }
-derive_more = { workspace = true }
-base64 = { workspace = true }
-serde = { workspace = true }
-tokio = { workspace = true }
-url = { workspace = true }
-rustical_dav = { workspace = true }
-rustical_store = { workspace = true }
-chrono = { workspace = true }
+async-trait.workspace = true
+thiserror.workspace = true
+quick-xml.workspace = true
+tracing.workspace = true
+futures-util.workspace = true
+derive_more.workspace = true
+base64.workspace = true
+serde.workspace = true
+tokio.workspace = true
+url.workspace = true
+rustical_dav = { workspace = true, features = ["ical"] }
+rustical_store.workspace = true
+chrono.workspace = true
 rustical_xml.workspace = true
 uuid.workspace = true
 rustical_dav_push.workspace = true
@@ -31,6 +32,10 @@ rustical_ical.workspace = true
 http.workspace = true
 tower-http.workspace = true
 percent-encoding.workspace = true
-ical.workspace = true
+caldata.workspace = true
 strum.workspace = true
 strum_macros.workspace = true
+rstest.workspace = true
+
+[dev-dependencies]
+insta.workspace = true

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;
@@ -50,7 +51,7 @@ pub async fn get_object<AS: AddressbookStore>(
     let mut resp = Response::builder().status(StatusCode::OK);
     let hdrs = resp.headers_mut().unwrap();
     hdrs.typed_insert(ETag::from_str(&object.get_etag()).unwrap());
-    hdrs.typed_insert(ContentType::from_str("text/vcard").unwrap());
+    hdrs.typed_insert(ContentType::from_str("text/vcard; charset=utf-8").unwrap());
     if matches!(method, Method::HEAD) {
         Ok(resp.body(Body::empty()).unwrap())
     } else {
@@ -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/prop.rs

@@ -1,7 +1,7 @@
 use rustical_dav::extensions::CommonPropertiesProp;
 use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "AddressObjectPropName")]
 pub enum AddressObjectProp {
     // WebDAV (RFC 2518)
@@ -15,7 +15,7 @@ pub enum AddressObjectProp {
     AddressData(String),
 }
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName)]
 #[xml(unit_variants_ident = "AddressObjectPropWrapperName", untagged)]
 pub enum AddressObjectPropWrapper {
     AddressObject(AddressObjectProp),

crates/carddav/src/address_object/resource.rs

@@ -1,3 +1,5 @@
+use std::borrow::Cow;
+
 use crate::{
     Error,
     address_object::{
@@ -5,6 +7,7 @@ use crate::{
         AddressObjectPropWrapperName,
     },
 };
+use caldata::property::VcardFNProperty;
 use derive_more::derive::{From, Into};
 use rustical_dav::{
     extensions::CommonPropertiesExtension,
@@ -19,11 +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) -> String {
-        format!("{}.vcf", self.object.get_id())
+    fn get_name(&self) -> Cow<'_, str> {
+        Cow::from(format!("{}.vcf", self.object_id))
     }
 }
 
@@ -67,7 +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(),
         })
     }
@@ -98,9 +99,8 @@ where
     D: Deserializer<'de>,
 {
     let name: String = Deserialize::deserialize(deserializer)?;
-    if let Some(object_id) = name.strip_suffix(".vcf") {
-        Ok(object_id.to_owned())
-    } else {
-        Err(serde::de::Error::custom("Missing .vcf extension"))
-    }
+    name.strip_suffix(".vcf").map_or_else(
+        || Err(serde::de::Error::custom("Missing .vcf extension")),
+        |object_id| Ok(object_id.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;
@@ -40,13 +39,13 @@ 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");
 
     let mut resp = Response::builder().status(StatusCode::OK);
     let hdrs = resp.headers_mut().unwrap();
-    hdrs.typed_insert(ContentType::from_str("text/vcard").unwrap());
+    hdrs.typed_insert(ContentType::from_str("text/vcard; charset=utf-8").unwrap());
     let filename = format!("{principal}_{addressbook_id}.vcf");
     let filename = utf8_percent_encode(&filename, CONTROLS);
     hdrs.insert(

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

@@ -1,16 +1,15 @@
-use std::io::BufReader;
-
 use crate::Error;
 use crate::addressbook::AddressbookResourceService;
 use axum::{
     extract::{Path, State},
     response::{IntoResponse, Response},
 };
-use http::StatusCode;
-use ical::{
-    parser::{Component, ComponentMut, vcard},
-    property::Property,
+use caldata::{
+    VcardParser,
+    component::{Component, ComponentMut},
+    parser::{ContentLine, ParserOptions},
 };
+use http::StatusCode;
 use rustical_store::{Addressbook, AddressbookStore, SubscriptionStore, auth::Principal};
 use tracing::instrument;
 
@@ -25,7 +24,7 @@ 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 = VcardParser::from_slice(body.as_bytes());
 
     let mut objects = vec![];
     for res in parser {
@@ -33,15 +32,16 @@ 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: None,
+                params: vec![].into(),
             });
-            card = card_mut.verify().unwrap();
+            card = card_mut.build(&ParserOptions::default(), 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/mkcol.rs

@@ -8,7 +8,7 @@ use rustical_store::{Addressbook, AddressbookStore, SubscriptionStore, auth::Pri
 use rustical_xml::{XmlDeserialize, XmlDocument, XmlRootTag};
 use tracing::instrument;
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 pub struct Resourcetype {
     #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
     addressbook: Option<()>,
@@ -16,7 +16,7 @@ pub struct Resourcetype {
     collection: Option<()>,
 }
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 pub struct MkcolAddressbookProp {
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]
     resourcetype: Option<Resourcetype>,
@@ -27,7 +27,7 @@ pub struct MkcolAddressbookProp {
     description: Option<String>,
 }
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 pub struct PropElement<T: XmlDeserialize> {
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]
     prop: T,
@@ -53,13 +53,13 @@ pub async fn route_mkcol<AS: AddressbookStore, S: SubscriptionStore>(
     }
 
     let mut request = MkcolRequest::parse_str(&body)?.set.prop;
-    if let Some("") = request.displayname.as_deref() {
-        request.displayname = None
+    if request.displayname.as_deref() == Some("") {
+        request.displayname = None;
     }
 
     let addressbook = Addressbook {
-        id: addressbook_id.to_owned(),
-        principal: principal.to_owned(),
+        id: addressbook_id.clone(),
+        principal: principal.clone(),
         displayname: request.displayname,
         description: request.description,
         deleted_at: None,
@@ -127,6 +127,6 @@ mod tests {
                     }
                 }
             }
-        )
+        );
     }
 }

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

@@ -45,12 +45,12 @@ pub async fn route_post<AS: AddressbookStore, S: SubscriptionStore>(
     };
 
     let subscription = Subscription {
-        id: sub_id.to_owned(),
+        id: sub_id.clone(),
         push_resource: request
             .subscription
             .web_push_subscription
             .push_resource
-            .to_owned(),
+            .clone(),
         topic: addressbook_resource.0.push_topic,
         expiration: expires.naive_local(),
         public_key: request

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

@@ -13,7 +13,7 @@ use rustical_ical::AddressObject;
 use rustical_store::{AddressbookStore, auth::Principal};
 use rustical_xml::XmlDeserialize;
 
-#[derive(XmlDeserialize, Clone, Debug, PartialEq)]
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
 #[allow(dead_code)]
 #[xml(ns = "rustical_dav::namespace::NS_DAV")]
 pub struct AddressbookMultigetRequest {
@@ -29,29 +29,29 @@ 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![];
 
     for href in &addressbook_multiget.href {
-        if let Some(filename) = href.strip_prefix(path) {
-            let filename = filename.trim_start_matches("/");
+        if let Ok(href) = percent_encoding::percent_decode_str(href).decode_utf8()
+            && let Some(filename) = href.strip_prefix(path)
+        {
+            let filename = filename.trim_start_matches('/');
             if let Some(object_id) = filename.strip_suffix(".vcf") {
                 match store
                     .get_object(principal, addressbook_id, object_id, false)
                     .await
                 {
-                    Ok(object) => result.push(object),
-                    Err(rustical_store::Error::NotFound) => not_found.push(href.to_owned()),
+                    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()),
-                };
+                }
             } else {
-                not_found.push(href.to_owned());
-                continue;
+                not_found.push(href.to_string());
             }
         } else {
             not_found.push(href.to_owned());
-            continue;
         }
     }
 
@@ -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

@@ -0,0 +1,139 @@
+use crate::{
+    address_object::AddressObjectPropWrapperName,
+    addressbook::methods::report::addressbook_query::PropFilterElement,
+};
+use caldata::parser::ContentLine;
+use derive_more::{From, Into};
+use rustical_dav::xml::{PropfindType, TextMatchElement};
+use rustical_ical::{AddressObject, UtcDateTime};
+use rustical_xml::{ValueDeserialize, XmlDeserialize, XmlRootTag};
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+#[allow(dead_code)]
+pub struct TimeRangeElement {
+    #[xml(ty = "attr")]
+    pub(crate) start: Option<UtcDateTime>,
+    #[xml(ty = "attr")]
+    pub(crate) end: Option<UtcDateTime>,
+}
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+#[allow(dead_code)]
+// https://www.rfc-editor.org/rfc/rfc4791#section-9.7.3
+pub struct ParamFilterElement {
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    pub(crate) is_not_defined: Option<()>,
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    pub(crate) text_match: Option<TextMatchElement>,
+
+    #[xml(ty = "attr")]
+    pub(crate) name: String,
+}
+
+impl ParamFilterElement {
+    #[must_use]
+    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() {
+            return false;
+        }
+
+        let Some(text_match) = self.text_match.as_ref() else {
+            return true;
+        };
+        text_match.match_text(param)
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Default, From, Into)]
+pub struct Allof(pub bool);
+
+impl ValueDeserialize for Allof {
+    fn deserialize(val: &str) -> Result<Self, rustical_xml::XmlError> {
+        Ok(Self(match val {
+            "allof" => true,
+            "anyof" => false,
+            _ => {
+                return Err(rustical_xml::XmlError::InvalidVariant(format!(
+                    "Invalid test parameter: {val}"
+                )));
+            }
+        }))
+    }
+}
+
+//  <!ELEMENT filter (prop-filter*)>
+//  <!ATTLIST filter test (anyof | allof) "anyof">
+//  <!-- test value:
+//              anyof logical OR for prop-filter matches
+//              allof logical AND for prop-filter matches -->
+#[derive(XmlDeserialize, XmlRootTag, Clone, Debug, PartialEq, Eq)]
+#[xml(root = "filter", ns = "rustical_dav::namespace::NS_CARDDAV")]
+#[allow(dead_code)]
+pub struct FilterElement {
+    #[xml(ty = "attr", default = "Default::default")]
+    pub test: Allof,
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV", flatten)]
+    pub(crate) prop_filter: Vec<PropFilterElement>,
+}
+
+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
+            .iter()
+            .map(|prop_filter| prop_filter.match_component(addr_object));
+        if allof {
+            results.all(|x| x)
+        } else {
+            results.any(|x| x)
+        }
+    }
+}
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+#[allow(dead_code)]
+//  <!ELEMENT addressbook-query ((DAV:allprop |
+//                                  DAV:propname |
+//                                  DAV:prop)?, filter, limit?)>
+pub struct AddressbookQueryRequest {
+    #[xml(ty = "untagged")]
+    pub prop: PropfindType<AddressObjectPropWrapperName>,
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    pub(crate) filter: FilterElement,
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    pub(crate) limit: Option<LimitElement>,
+}
+
+// https://datatracker.ietf.org/doc/html/rfc5323#section-5.17
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+pub struct LimitElement {
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    pub nresults: NresultsElement,
+}
+
+impl From<u64> for LimitElement {
+    fn from(value: u64) -> Self {
+        Self {
+            nresults: NresultsElement(value),
+        }
+    }
+}
+
+impl From<LimitElement> for u64 {
+    fn from(value: LimitElement) -> Self {
+        value.nresults.0
+    }
+}
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+pub struct NresultsElement(#[xml(ty = "text")] pub u64);

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

@@ -0,0 +1,22 @@
+use crate::Error;
+mod elements;
+mod prop_filter;
+pub use elements::*;
+#[allow(unused_imports)]
+pub use prop_filter::{PropFilterElement, PropFilterable};
+use rustical_ical::AddressObject;
+use rustical_store::AddressbookStore;
+
+#[cfg(test)]
+mod tests;
+
+pub async fn get_objects_addressbook_query<AS: AddressbookStore>(
+    addr_query: &AddressbookQueryRequest,
+    principal: &str,
+    addressbook_id: &str,
+    store: &AS,
+) -> Result<Vec<(String, AddressObject)>, Error> {
+    let mut objects = store.get_objects(principal, addressbook_id).await?;
+    objects.retain(|(_id, object)| addr_query.filter.matches(object));
+    Ok(objects)
+}

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

@@ -0,0 +1,77 @@
+use super::{Allof, ParamFilterElement};
+use caldata::{component::Component, parser::ContentLine};
+use rustical_dav::xml::TextMatchElement;
+use rustical_ical::AddressObject;
+use rustical_xml::XmlDeserialize;
+
+#[derive(XmlDeserialize, Clone, Debug, PartialEq, Eq)]
+#[allow(dead_code)]
+//  <!ELEMENT prop-filter (is-not-defined |
+//                          (text-match*, param-filter*))>
+//
+//  <!ATTLIST prop-filter name CDATA #REQUIRED
+//                          test (anyof | allof) "anyof">
+//  <!-- name value: a vCard property name (e.g., "NICKNAME")
+//      test value:
+//          anyof logical OR for text-match/param-filter matches
+//          allof logical AND for text-match/param-filter matches -->
+pub struct PropFilterElement {
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    pub(crate) is_not_defined: Option<()>,
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV", flatten)]
+    pub(crate) text_match: Vec<TextMatchElement>,
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV", flatten)]
+    pub(crate) param_filter: Vec<ParamFilterElement>,
+    #[xml(ty = "attr", default = "Default::default")]
+    pub test: Allof,
+
+    #[xml(ty = "attr")]
+    pub(crate) name: String,
+}
+
+impl PropFilterElement {
+    #[must_use]
+    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
+            .iter()
+            .map(|text_match| text_match.match_property(property));
+
+        let param_matches = self
+            .param_filter
+            .iter()
+            .map(|param_filter| param_filter.match_property(property));
+        let mut matches = text_matches.chain(param_matches);
+
+        if allof {
+            matches.all(|a| a)
+        } else {
+            matches.any(|a| a)
+        }
+    }
+
+    pub fn match_component(&self, comp: &impl PropFilterable) -> bool {
+        let mut properties = comp.get_named_properties(&self.name);
+        if self.is_not_defined.is_some() {
+            return properties.next().is_none();
+        }
+
+        // The filter matches when one property instance matches
+        properties.any(|prop| self.match_property(prop))
+    }
+}
+
+pub trait PropFilterable {
+    fn get_named_properties<'a>(&'a self, name: &'a str) -> impl Iterator<Item = &'a ContentLine>;
+}
+
+impl PropFilterable for AddressObject {
+    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

@@ -0,0 +1,70 @@
+use super::FilterElement;
+use rstest::rstest;
+use rustical_ical::AddressObject;
+use rustical_xml::XmlDocument;
+
+const VCF_1: &str = r"BEGIN:VCARD
+VERSION:4.0
+FN:Simon Perreault
+N:Perreault;Simon;;;ing. jr,M.Sc.
+BDAY:--0203
+GENDER:M
+EMAIL;TYPE=work:simon.perreault@viagenie.ca
+END:VCARD";
+
+const VCF_2: &str = r"BEGIN:VCARD
+VERSION:4.0
+N:Gump;Forrest;;Mr.;
+FN:Forrest Gump
+ORG:Bubba Gump Shrimp Co.
+TITLE:Shrimp Man
+PHOTO;MEDIATYPE=image/gif:http://www.example.com/dir_photos/my_photo.gif
+TEL;TYPE=work,voice;VALUE=uri:tel:+1-111-555-1212
+TEL;TYPE=home,voice;VALUE=uri:tel:+1-404-555-1212
+ADR;TYPE=WORK;PREF=1;LABEL=100 Waters Edge\\nBaytown\\, LA 30314\\nUnited S
+ tates of America:;;100 Waters Edge;Baytown;LA;30314;United States of Ameri
+ ca
+ADR;TYPE=HOME;LABEL=42 Plantation St.\\nBaytown\\, LA 30314\\nUnited States
+  of America:;;42 Plantation St.;Baytown;LA;30314;United States of America
+EMAIL:forrestgump@example.com
+REV:20080424T195243Z
+x-qq:21588891
+UID:890a9da4-bb6d-4afb-9f32-b5eff6494a53
+END:VCARD
+";
+
+const FILTER_1: &str = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+<C:filter xmlns:C="urn:ietf:params:xml:ns:carddav">
+    <C:prop-filter name="EMAIL" test="allof">
+        <C:text-match collation="i;ascii-casemap">simon.perreault@viagenie.ca</C:text-match>
+        <C:param-filter name="TYPE">
+            <C:text-match match-type="equals" collation="i;unicode-casemap">WORK</C:text-match>
+        </C:param-filter>
+    </C:prop-filter>
+</C:filter>
+"#;
+
+const FILTER_2: &str = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+<C:filter xmlns:C="urn:ietf:params:xml:ns:carddav">
+    <C:prop-filter name="EMAIL" test="anyof">
+        <C:text-match collation="i;ascii-casemap">forrestgump@example.com</C:text-match>
+        <C:param-filter name="TYPE">
+            <C:text-match match-type="equals" collation="i;ascii-casemap">WORK</C:text-match>
+        </C:param-filter>
+    </C:prop-filter>
+</C:filter>
+"#;
+
+#[rstest]
+#[case(VCF_1, FILTER_1, true)]
+#[case(VCF_2, FILTER_1, false)]
+#[case(VCF_1, FILTER_2, true)]
+#[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(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

@@ -1,6 +1,14 @@
 use crate::{
-    CardDavPrincipalUri, Error, address_object::AddressObjectPropWrapperName,
-    addressbook::AddressbookResourceService,
+    CardDavPrincipalUri, Error,
+    address_object::{
+        AddressObjectPropWrapper, AddressObjectPropWrapperName, resource::AddressObjectResource,
+    },
+    addressbook::{
+        AddressbookResourceService,
+        methods::report::addressbook_query::{
+            AddressbookQueryRequest, get_objects_addressbook_query,
+        },
+    },
 };
 use addressbook_multiget::{AddressbookMultigetRequest, handle_addressbook_multiget};
 use axum::{
@@ -8,32 +16,82 @@ use axum::{
     extract::{OriginalUri, Path, State},
     response::IntoResponse,
 };
-use rustical_dav::xml::{PropfindType, sync_collection::SyncCollectionRequest};
+use http::StatusCode;
+use rustical_dav::{
+    resource::{PrincipalUri, Resource},
+    xml::{
+        MultistatusElement, PropfindType, multistatus::ResponseElement,
+        sync_collection::SyncCollectionRequest,
+    },
+};
+use rustical_ical::AddressObject;
 use rustical_store::{AddressbookStore, SubscriptionStore, auth::Principal};
 use rustical_xml::{XmlDeserialize, XmlDocument};
 use sync_collection::handle_sync_collection;
 use tracing::instrument;
 
 mod addressbook_multiget;
+mod addressbook_query;
 mod sync_collection;
 
 #[derive(XmlDeserialize, XmlDocument, Clone, Debug, PartialEq)]
 pub(crate) enum ReportRequest {
     #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
     AddressbookMultiget(AddressbookMultigetRequest),
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
+    AddressbookQuery(AddressbookQueryRequest),
     #[xml(ns = "rustical_dav::namespace::NS_DAV")]
     SyncCollection(SyncCollectionRequest<AddressObjectPropWrapperName>),
 }
 
 impl ReportRequest {
-    fn props(&self) -> &PropfindType<AddressObjectPropWrapperName> {
+    const fn props(&self) -> &PropfindType<AddressObjectPropWrapperName> {
         match self {
-            ReportRequest::AddressbookMultiget(AddressbookMultigetRequest { prop, .. }) => prop,
-            ReportRequest::SyncCollection(SyncCollectionRequest { prop, .. }) => prop,
+            Self::AddressbookMultiget(AddressbookMultigetRequest { prop, .. })
+            | Self::SyncCollection(SyncCollectionRequest { prop, .. })
+            | Self::AddressbookQuery(AddressbookQueryRequest { prop, .. }) => prop,
         }
     }
 }
 
+fn objects_response(
+    objects: Vec<(String, AddressObject)>,
+    not_found: Vec<String>,
+    path: &str,
+    principal: &str,
+    puri: &impl PrincipalUri,
+    user: &Principal,
+    prop: &PropfindType<AddressObjectPropWrapperName>,
+) -> Result<MultistatusElement<AddressObjectPropWrapper, String>, Error> {
+    let mut responses = Vec::new();
+    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)?,
+        );
+    }
+
+    let not_found_responses = not_found
+        .into_iter()
+        .map(|path| ResponseElement {
+            href: path,
+            status: Some(StatusCode::NOT_FOUND),
+            ..Default::default()
+        })
+        .collect();
+
+    Ok(MultistatusElement {
+        responses,
+        member_responses: not_found_responses,
+        ..Default::default()
+    })
+}
+
 #[instrument(skip(addr_store))]
 pub async fn route_report_addressbook<AS: AddressbookStore, S: SubscriptionStore>(
     Path((principal, addressbook_id)): Path<(String, String)>,
@@ -75,13 +133,36 @@ pub async fn route_report_addressbook<AS: AddressbookStore, S: SubscriptionStore
             )
             .await?
         }
+        ReportRequest::AddressbookQuery(addr_query) => {
+            let objects = get_objects_addressbook_query(
+                addr_query,
+                &principal,
+                &addressbook_id,
+                addr_store.as_ref(),
+            )
+            .await?;
+            objects_response(
+                objects,
+                vec![],
+                uri.path(),
+                &principal,
+                &puri,
+                &user,
+                &addr_query.prop,
+            )?
+        }
     })
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::address_object::AddressObjectPropName;
+    use crate::{
+        address_object::AddressObjectPropName,
+        addressbook::methods::report::addressbook_query::{
+            Allof, FilterElement, LimitElement, NresultsElement, PropFilterElement,
+        },
+    };
     use rustical_dav::xml::{PropElement, sync_collection::SyncLevel};
 
     #[test]
@@ -101,7 +182,7 @@ mod tests {
         assert_eq!(
             report_request,
             ReportRequest::SyncCollection(SyncCollectionRequest {
-                sync_token: "".to_owned(),
+                sync_token: String::new(),
                 sync_level: SyncLevel::One,
                 prop: rustical_dav::xml::PropfindType::Prop(PropElement(
                     vec![AddressObjectPropWrapperName::AddressObject(
@@ -111,7 +192,7 @@ mod tests {
                 )),
                 limit: None
             })
-        )
+        );
     }
 
     #[test]
@@ -142,6 +223,52 @@ mod tests {
                     "/carddav/user/user/6f787542-5256-401a-8db97003260da/ae7a998fdfd1d84a20391168962c62b".to_owned()
                 ]
             })
+        );
+    }
+
+    #[test]
+    fn test_xml_addressbook_query() {
+        let report_request = ReportRequest::parse_str(
+            r#"
+            <?xml version="1.0" encoding="utf-8"?>
+                <card:addressbook-query xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:d="DAV:">
+                <d:prop>
+                    <d:getetag/>
+                </d:prop>
+                <card:filter>
+                    <card:prop-filter name="FN"/>
+                </card:filter>
+                <card:limit>
+                    <card:nresults>100</card:nresults>
+                </card:limit>
+            </card:addressbook-query>
+        "#,
         )
+        .unwrap();
+
+        assert_eq!(
+            report_request,
+            ReportRequest::AddressbookQuery(AddressbookQueryRequest {
+                prop: rustical_dav::xml::PropfindType::Prop(PropElement(
+                    vec![AddressObjectPropWrapperName::AddressObject(
+                        AddressObjectPropName::Getetag
+                    ),],
+                    vec![]
+                )),
+                filter: FilterElement {
+                    test: Allof::default(),
+                    prop_filter: vec![PropFilterElement {
+                        name: "FN".to_owned(),
+                        is_not_defined: None,
+                        text_match: vec![],
+                        param_filter: vec![],
+                        test: Allof::default()
+                    }],
+                },
+                limit: Some(LimitElement {
+                    nresults: NresultsElement(100)
+                })
+            })
+        );
     }
 }

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/mod.rs

@@ -3,3 +3,5 @@ pub mod prop;
 pub mod resource;
 mod service;
 pub use service::*;
+#[cfg(test)]
+pub mod tests;

crates/carddav/src/addressbook/prop.rs

@@ -1,12 +1,13 @@
+use derive_more::{From, Into};
 use rustical_dav::{
     extensions::{CommonPropertiesProp, SyncTokenExtensionProp},
-    xml::SupportedReportSet,
+    xml::{SupportedReportSet, TextCollation},
 };
 use rustical_dav_push::DavPushExtensionProp;
 use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
 use strum_macros::VariantArray;
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName, Debug)]
 #[xml(unit_variants_ident = "AddressbookPropName")]
 pub enum AddressbookProp {
     // CardDAV (RFC 6352)
@@ -14,13 +15,15 @@ pub enum AddressbookProp {
     AddressbookDescription(Option<String>),
     #[xml(ns = "rustical_dav::namespace::NS_CARDDAV", skip_deserializing)]
     SupportedAddressData(SupportedAddressData),
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV", skip_deserializing)]
+    SupportedCollationSet(SupportedCollationSet),
     #[xml(ns = "rustical_dav::namespace::NS_DAV", skip_deserializing)]
     SupportedReportSet(SupportedReportSet<ReportMethod>),
-    #[xml(ns = "rustical_dav::namespace::NS_DAV")]
+    #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
     MaxResourceSize(i64),
 }
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName, Debug)]
 #[xml(unit_variants_ident = "AddressbookPropWrapperName", untagged)]
 pub enum AddressbookPropWrapper {
     Addressbook(AddressbookProp),
@@ -29,7 +32,7 @@ pub enum AddressbookPropWrapper {
     Common(CommonPropertiesProp),
 }
 
-#[derive(Debug, Clone, XmlSerialize, PartialEq)]
+#[derive(Debug, Clone, XmlSerialize, PartialEq, Eq)]
 pub struct AddressDataType {
     #[xml(ty = "attr")]
     pub content_type: &'static str,
@@ -37,7 +40,7 @@ pub struct AddressDataType {
     pub version: &'static str,
 }
 
-#[derive(Debug, Clone, XmlSerialize, PartialEq)]
+#[derive(Debug, Clone, XmlSerialize, PartialEq, Eq)]
 pub struct SupportedAddressData {
     #[xml(ns = "rustical_dav::namespace::NS_CARDDAV", flatten)]
     address_data_type: &'static [AddressDataType],
@@ -60,7 +63,30 @@ impl Default for SupportedAddressData {
     }
 }
 
-#[derive(Debug, Clone, XmlSerialize, PartialEq, VariantArray)]
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq, From, Into)]
+pub struct SupportedCollation(#[xml(ty = "text")] pub TextCollation);
+
+#[derive(Debug, Clone, XmlSerialize, XmlDeserialize, PartialEq, Eq)]
+pub struct SupportedCollationSet(
+    #[xml(
+        ns = "rustical_dav::namespace::NS_CARDDAV",
+        flatten,
+        rename = "supported-collation"
+    )]
+    pub Vec<SupportedCollation>,
+);
+
+impl Default for SupportedCollationSet {
+    fn default() -> Self {
+        Self(vec![
+            SupportedCollation(TextCollation::AsciiCasemap),
+            SupportedCollation(TextCollation::UnicodeCasemap),
+            SupportedCollation(TextCollation::Octet),
+        ])
+    }
+}
+
+#[derive(Debug, Clone, XmlSerialize, PartialEq, Eq, VariantArray)]
 pub enum ReportMethod {
     #[xml(ns = "rustical_dav::namespace::NS_CARDDAV")]
     AddressbookMultiget,

crates/carddav/src/addressbook/resource.rs

@@ -2,6 +2,7 @@ use super::prop::SupportedAddressData;
 use crate::Error;
 use crate::addressbook::prop::{
     AddressbookProp, AddressbookPropName, AddressbookPropWrapper, AddressbookPropWrapperName,
+    SupportedCollationSet,
 };
 use derive_more::derive::{From, Into};
 use rustical_dav::extensions::{CommonPropertiesExtension, SyncTokenExtension};
@@ -11,13 +12,14 @@ use rustical_dav::xml::{Resourcetype, ResourcetypeInner, SupportedReportSet};
 use rustical_dav_push::DavPushExtension;
 use rustical_store::Addressbook;
 use rustical_store::auth::Principal;
+use std::borrow::Cow;
 
 #[derive(Clone, Debug, From, Into)]
 pub struct AddressbookResource(pub(crate) Addressbook);
 
 impl ResourceName for AddressbookResource {
-    fn get_name(&self) -> String {
-        self.0.id.to_owned()
+    fn get_name(&self) -> Cow<'_, str> {
+        Cow::from(&self.0.id)
     }
 }
 
@@ -29,7 +31,7 @@ impl SyncTokenExtension for AddressbookResource {
 
 impl DavPushExtension for AddressbookResource {
     fn get_topic(&self) -> String {
-        self.0.push_topic.to_owned()
+        self.0.push_topic.clone()
     }
 }
 
@@ -59,13 +61,16 @@ impl Resource for AddressbookResource {
             AddressbookPropWrapperName::Addressbook(prop) => {
                 AddressbookPropWrapper::Addressbook(match prop {
                     AddressbookPropName::MaxResourceSize => {
-                        AddressbookProp::MaxResourceSize(10000000)
+                        AddressbookProp::MaxResourceSize(10_000_000)
+                    }
+                    AddressbookPropName::SupportedCollationSet => {
+                        AddressbookProp::SupportedCollationSet(SupportedCollationSet::default())
                     }
                     AddressbookPropName::SupportedReportSet => {
                         AddressbookProp::SupportedReportSet(SupportedReportSet::all())
                     }
                     AddressbookPropName::AddressbookDescription => {
-                        AddressbookProp::AddressbookDescription(self.0.description.to_owned())
+                        AddressbookProp::AddressbookDescription(self.0.description.clone())
                     }
                     AddressbookPropName::SupportedAddressData => {
                         AddressbookProp::SupportedAddressData(SupportedAddressData::default())
@@ -92,9 +97,12 @@ impl Resource for AddressbookResource {
                     self.0.description = description;
                     Ok(())
                 }
-                AddressbookProp::MaxResourceSize(_) => Err(rustical_dav::Error::PropReadOnly),
-                AddressbookProp::SupportedReportSet(_) => Err(rustical_dav::Error::PropReadOnly),
-                AddressbookProp::SupportedAddressData(_) => Err(rustical_dav::Error::PropReadOnly),
+                AddressbookProp::MaxResourceSize(_)
+                | AddressbookProp::SupportedCollationSet(_)
+                | AddressbookProp::SupportedReportSet(_)
+                | AddressbookProp::SupportedAddressData(_) => {
+                    Err(rustical_dav::Error::PropReadOnly)
+                }
             },
             AddressbookPropWrapper::SyncToken(prop) => SyncTokenExtension::set_prop(self, prop),
             AddressbookPropWrapper::DavPush(prop) => DavPushExtension::set_prop(self, prop),
@@ -112,9 +120,12 @@ impl Resource for AddressbookResource {
                     self.0.description = None;
                     Ok(())
                 }
-                AddressbookPropName::MaxResourceSize => Err(rustical_dav::Error::PropReadOnly),
-                AddressbookPropName::SupportedReportSet => Err(rustical_dav::Error::PropReadOnly),
-                AddressbookPropName::SupportedAddressData => Err(rustical_dav::Error::PropReadOnly),
+                AddressbookPropName::MaxResourceSize
+                | AddressbookPropName::SupportedCollationSet
+                | AddressbookPropName::SupportedReportSet
+                | AddressbookPropName::SupportedAddressData => {
+                    Err(rustical_dav::Error::PropReadOnly)
+                }
             },
             AddressbookPropWrapperName::SyncToken(prop) => {
                 SyncTokenExtension::remove_prop(self, prop)

crates/carddav/src/addressbook/service.rs

@@ -26,7 +26,7 @@ pub struct AddressbookResourceService<AS: AddressbookStore, S: SubscriptionStore
 }
 
 impl<A: AddressbookStore, S: SubscriptionStore> AddressbookResourceService<A, S> {
-    pub fn new(addr_store: Arc<A>, sub_store: Arc<S>) -> Self {
+    pub const fn new(addr_store: Arc<A>, sub_store: Arc<S>) -> Self {
         Self {
             addr_store,
             sub_store,
@@ -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/addressbook/snapshots/rustical_carddav__addressbook__tests__propfind-2.snap

@@ -0,0 +1,168 @@
+---
+source: crates/carddav/src/addressbook/tests.rs
+expression: response
+---
+ResponseElement {
+    href: "/carddav/principal/user/yeet/",
+    status: None,
+    propstat: [
+        Normal(
+            PropstatElement {
+                prop: PropTagWrapper(
+                    [
+                        Addressbook(
+                            AddressbookDescription(
+                                None,
+                            ),
+                        ),
+                        Addressbook(
+                            SupportedAddressData(
+                                SupportedAddressData {
+                                    address_data_type: [
+                                        AddressDataType {
+                                            content_type: "text/vcard",
+                                            version: "3.0",
+                                        },
+                                        AddressDataType {
+                                            content_type: "text/vcard",
+                                            version: "4.0",
+                                        },
+                                    ],
+                                },
+                            ),
+                        ),
+                        Addressbook(
+                            SupportedCollationSet(
+                                SupportedCollationSet(
+                                    [
+                                        SupportedCollation(
+                                            AsciiCasemap,
+                                        ),
+                                        SupportedCollation(
+                                            UnicodeCasemap,
+                                        ),
+                                        SupportedCollation(
+                                            Octet,
+                                        ),
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Addressbook(
+                            SupportedReportSet(
+                                SupportedReportSet {
+                                    supported_report: [
+                                        ReportWrapper {
+                                            report: AddressbookMultiget,
+                                        },
+                                        ReportWrapper {
+                                            report: SyncCollection,
+                                        },
+                                    ],
+                                },
+                            ),
+                        ),
+                        Addressbook(
+                            MaxResourceSize(
+                                10000000,
+                            ),
+                        ),
+                        SyncToken(
+                            SyncToken(
+                                "github.com/lennart-k/rustical/ns/0",
+                            ),
+                        ),
+                        SyncToken(
+                            Getctag(
+                                "github.com/lennart-k/rustical/ns/0",
+                            ),
+                        ),
+                        DavPush(
+                            Transports(
+                                Transports {
+                                    transports: [
+                                        WebPush,
+                                    ],
+                                },
+                            ),
+                        ),
+                        DavPush(
+                            Topic(
+                                "asdasd",
+                            ),
+                        ),
+                        DavPush(
+                            SupportedTriggers(
+                                SupportedTriggers(
+                                    [
+                                        ContentUpdate(
+                                            ContentUpdate(
+                                                One,
+                                            ),
+                                        ),
+                                        PropertyUpdate(
+                                            PropertyUpdate(
+                                                One,
+                                            ),
+                                        ),
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Common(
+                            Resourcetype(
+                                Resourcetype(
+                                    [
+                                        ResourcetypeInner(
+                                            Some(
+                                                Namespace("DAV:"),
+                                            ),
+                                            "collection",
+                                        ),
+                                        ResourcetypeInner(
+                                            Some(
+                                                Namespace("urn:ietf:params:xml:ns:carddav"),
+                                            ),
+                                            "addressbook",
+                                        ),
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Common(
+                            Displayname(
+                                None,
+                            ),
+                        ),
+                        Common(
+                            CurrentUserPrincipal(
+                                HrefElement {
+                                    href: "/carddav/principal/user/",
+                                },
+                            ),
+                        ),
+                        Common(
+                            CurrentUserPrivilegeSet(
+                                UserPrivilegeSet {
+                                    privileges: {
+                                        All,
+                                    },
+                                },
+                            ),
+                        ),
+                        Common(
+                            Owner(
+                                Some(
+                                    HrefElement {
+                                        href: "/carddav/principal/user/",
+                                    },
+                                ),
+                            ),
+                        ),
+                    ],
+                ),
+                status: 200,
+            },
+        ),
+    ],
+}

crates/carddav/src/addressbook/snapshots/rustical_carddav__addressbook__tests__propfind-3.snap

@@ -0,0 +1,64 @@
+---
+source: crates/carddav/src/addressbook/tests.rs
+expression: response.serialize_to_string().unwrap()
+---
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns="DAV:">
+    <href>/carddav/principal/user/yeet/</href>
+    <propstat>
+        <prop xmlns="DAV:">
+            <supported-address-data xmlns="urn:ietf:params:xml:ns:carddav">
+                <address-data-type xmlns="urn:ietf:params:xml:ns:carddav" content-type="text/vcard" version="3.0"/>
+                <address-data-type xmlns="urn:ietf:params:xml:ns:carddav" content-type="text/vcard" version="4.0"/>
+            </supported-address-data>
+            <supported-collation-set xmlns="urn:ietf:params:xml:ns:carddav">
+                <supported-collation xmlns="urn:ietf:params:xml:ns:carddav">i;ascii-casemap</supported-collation>
+                <supported-collation xmlns="urn:ietf:params:xml:ns:carddav">i;unicode-casemap</supported-collation>
+                <supported-collation xmlns="urn:ietf:params:xml:ns:carddav">i;octet</supported-collation>
+            </supported-collation-set>
+            <supported-report-set xmlns="DAV:">
+                <supported-report xmlns="DAV:">
+                    <report xmlns="DAV:">
+                        <addressbook-multiget xmlns="urn:ietf:params:xml:ns:carddav"/>
+                    </report>
+                </supported-report>
+                <supported-report xmlns="DAV:">
+                    <report xmlns="DAV:">
+                        <sync-collection xmlns="DAV:"/>
+                    </report>
+                </supported-report>
+            </supported-report-set>
+            <max-resource-size xmlns="urn:ietf:params:xml:ns:carddav">10000000</max-resource-size>
+            <sync-token xmlns="DAV:">github.com/lennart-k/rustical/ns/0</sync-token>
+            <getctag xmlns="http://calendarserver.org/ns/">github.com/lennart-k/rustical/ns/0</getctag>
+            <transports xmlns="https://bitfire.at/webdav-push">
+                <web-push xmlns="https://bitfire.at/webdav-push"/>
+            </transports>
+            <topic xmlns="https://bitfire.at/webdav-push">asdasd</topic>
+            <supported-triggers xmlns="https://bitfire.at/webdav-push">
+                <content-update xmlns="https://bitfire.at/webdav-push">
+                    <depth xmlns="DAV:">1</depth>
+                </content-update>
+                <property-update xmlns="https://bitfire.at/webdav-push">
+                    <depth xmlns="DAV:">1</depth>
+                </property-update>
+            </supported-triggers>
+            <resourcetype xmlns="DAV:">
+                <collection xmlns="DAV:"/>
+                <addressbook xmlns="urn:ietf:params:xml:ns:carddav"/>
+            </resourcetype>
+            <current-user-principal xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/user/</href>
+            </current-user-principal>
+            <current-user-privilege-set xmlns="DAV:">
+                <privilege>
+                    <all/>
+                </privilege>
+            </current-user-privilege-set>
+            <owner xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/user/</href>
+            </owner>
+        </prop>
+        <status xmlns="DAV:">HTTP/1.1 200 OK</status>
+    </propstat>
+</response>

crates/carddav/src/addressbook/snapshots/rustical_carddav__addressbook__tests__propfind.snap

@@ -0,0 +1,8 @@
+---
+source: crates/carddav/src/addressbook/tests.rs
+expression: propfind
+---
+PropfindElement {
+    prop: Allprop,
+    include: None,
+}

crates/carddav/src/addressbook/tests.rs

@@ -0,0 +1,49 @@
+use crate::{CardDavPrincipalUri, addressbook::resource::AddressbookResource};
+use rustical_dav::resource::Resource;
+use rustical_store::{Addressbook, auth::Principal};
+use rustical_xml::XmlSerializeRoot;
+
+#[test]
+fn test_propfind() {
+    let propfind = AddressbookResource::parse_propfind(
+        r#"<?xml version="1.0" encoding="UTF-8"?><propfind xmlns="DAV:"><allprop/></propfind>"#,
+    )
+    .unwrap();
+
+    insta::assert_debug_snapshot!(propfind);
+
+    let principal = Principal {
+        id: "user".to_string(),
+        displayname: None,
+        principal_type: rustical_store::auth::PrincipalType::Individual,
+        password: None,
+        memberships: vec!["group".to_string()],
+    };
+
+    let addressbook = Addressbook {
+        id: "yeet".to_string(),
+        principal: "user".to_string(),
+        displayname: None,
+        description: None,
+        deleted_at: None,
+        synctoken: 0,
+        push_topic: "asdasd".to_string(),
+    };
+
+    let resource = AddressbookResource(addressbook.clone());
+    let response = resource
+        .propfind(
+            &format!(
+                "/carddav/principal/{}/{}",
+                addressbook.principal, addressbook.id
+            ),
+            &propfind.prop,
+            propfind.include.as_ref(),
+            &CardDavPrincipalUri("/carddav"),
+            &principal,
+        )
+        .unwrap();
+
+    insta::assert_debug_snapshot!(response);
+    insta::assert_snapshot!(response.serialize_to_string().unwrap());
+}

crates/carddav/src/error.rs

@@ -1,6 +1,5 @@
 use axum::response::IntoResponse;
 use http::StatusCode;
-use tracing::error;
 
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
@@ -24,27 +23,23 @@ pub enum Error {
 
     #[error(transparent)]
     XmlDecodeError(#[from] rustical_xml::XmlError),
-
-    #[error(transparent)]
-    IcalError(#[from] rustical_ical::Error),
 }
 
 impl Error {
-    pub fn status_code(&self) -> StatusCode {
+    #[must_use]
+    pub const fn status_code(&self) -> StatusCode {
         match self {
-            Error::StoreError(err) => match err {
+            Self::StoreError(err) => match err {
                 rustical_store::Error::NotFound => StatusCode::NOT_FOUND,
                 rustical_store::Error::AlreadyExists => StatusCode::CONFLICT,
                 rustical_store::Error::ReadOnly => StatusCode::FORBIDDEN,
                 _ => StatusCode::INTERNAL_SERVER_ERROR,
             },
-            Error::ChronoParseError(_) => StatusCode::INTERNAL_SERVER_ERROR,
-            Error::DavError(err) => err.status_code(),
-            Error::Unauthorized => StatusCode::UNAUTHORIZED,
-            Error::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
-            Error::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
-            Error::NotFound => StatusCode::NOT_FOUND,
-            Self::IcalError(err) => err.status_code(),
+            Self::DavError(err) => err.status_code(),
+            Self::Unauthorized => StatusCode::UNAUTHORIZED,
+            Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
+            Self::ChronoParseError(_) | Self::NotImplemented => StatusCode::INTERNAL_SERVER_ERROR,
+            Self::NotFound => StatusCode::NOT_FOUND,
         }
     }
 }

crates/carddav/src/lib.rs

@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic, clippy::nursery)]
+#![allow(clippy::missing_errors_doc, clippy::missing_panics_doc)]
 use axum::response::Redirect;
 use axum::routing::any;
 use axum::{Extension, Router};
@@ -36,17 +38,12 @@ pub fn carddav_router<AP: AuthenticationProvider, A: AddressbookStore, S: Subscr
     store: Arc<A>,
     subscription_store: Arc<S>,
 ) -> Router {
-    let principal_service = PrincipalResourceService::new(
-        store.clone(),
-        auth_provider.clone(),
-        subscription_store.clone(),
-    );
+    let principal_service =
+        PrincipalResourceService::new(store, auth_provider.clone(), subscription_store);
     Router::new()
         .nest(
             prefix,
-            RootResourceService::<_, Principal, CardDavPrincipalUri>::new(
-                principal_service.clone(),
-            )
+            RootResourceService::<_, Principal, CardDavPrincipalUri>::new(principal_service)
                 .axum_router()
                 .layer(AuthenticationLayer::new(auth_provider))
                 .layer(Extension(CardDavPrincipalUri(prefix))),

crates/carddav/src/principal/mod.rs

@@ -1,3 +1,5 @@
+use std::borrow::Cow;
+
 use crate::Error;
 use rustical_dav::extensions::CommonPropertiesExtension;
 use rustical_dav::privileges::UserPrivilegeSet;
@@ -11,16 +13,18 @@ mod service;
 pub use service::*;
 mod prop;
 pub use prop::*;
+#[cfg(test)]
+pub mod tests;
 
 #[derive(Debug, Clone)]
 pub struct PrincipalResource {
-    principal: Principal,
-    members: Vec<String>,
+    pub principal: Principal,
+    pub members: Vec<String>,
 }
 
 impl ResourceName for PrincipalResource {
-    fn get_name(&self) -> String {
-        self.principal.id.to_owned()
+    fn get_name(&self) -> Cow<'_, str> {
+        Cow::from(&self.principal.id)
     }
 }
 

crates/carddav/src/principal/prop.rs

@@ -4,7 +4,7 @@ use rustical_dav::{
 };
 use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName, Debug)]
 #[xml(unit_variants_ident = "PrincipalPropName")]
 pub enum PrincipalProp {
     // WebDAV Access Control (RFC 3744)
@@ -27,10 +27,10 @@ pub enum PrincipalProp {
     PrincipalAddress(Option<HrefElement>),
 }
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, Debug)]
 pub struct AddressbookHomeSet(#[xml(ty = "untagged", flatten)] pub Vec<HrefElement>);
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, EnumVariants, PropName)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Clone, EnumVariants, PropName, Debug)]
 #[xml(unit_variants_ident = "PrincipalPropWrapperName", untagged)]
 pub enum PrincipalPropWrapper {
     Principal(PrincipalProp),

crates/carddav/src/principal/service.rs

@@ -34,7 +34,7 @@ impl<A: AddressbookStore, AP: AuthenticationProvider, S: SubscriptionStore> Clon
 impl<A: AddressbookStore, AP: AuthenticationProvider, S: SubscriptionStore>
     PrincipalResourceService<A, AP, S>
 {
-    pub fn new(addr_store: Arc<A>, auth_provider: Arc<AP>, sub_store: Arc<S>) -> Self {
+    pub const fn new(addr_store: Arc<A>, auth_provider: Arc<AP>, sub_store: Arc<S>) -> Self {
         Self {
             addr_store,
             auth_provider,

crates/carddav/src/principal/snapshots/rustical_carddav__principal__tests__propfind-2.snap

@@ -0,0 +1,125 @@
+---
+source: crates/carddav/src/principal/tests.rs
+expression: response
+---
+ResponseElement {
+    href: "/carddav/principal/user/",
+    status: None,
+    propstat: [
+        Normal(
+            PropstatElement {
+                prop: PropTagWrapper(
+                    [
+                        Principal(
+                            PrincipalUrl(
+                                HrefElement {
+                                    href: "/carddav/principal/user/",
+                                },
+                            ),
+                        ),
+                        Principal(
+                            GroupMembership(
+                                GroupMembership(
+                                    [
+                                        HrefElement {
+                                            href: "/carddav/principal/group/",
+                                        },
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Principal(
+                            GroupMemberSet(
+                                GroupMemberSet(
+                                    [],
+                                ),
+                            ),
+                        ),
+                        Principal(
+                            AlternateUriSet,
+                        ),
+                        Principal(
+                            PrincipalCollectionSet(
+                                HrefElement {
+                                    href: "/carddav/principal/",
+                                },
+                            ),
+                        ),
+                        Principal(
+                            AddressbookHomeSet(
+                                AddressbookHomeSet(
+                                    [
+                                        HrefElement {
+                                            href: "/carddav/principal/group/",
+                                        },
+                                        HrefElement {
+                                            href: "/carddav/principal/user/",
+                                        },
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Principal(
+                            PrincipalAddress(
+                                None,
+                            ),
+                        ),
+                        Common(
+                            Resourcetype(
+                                Resourcetype(
+                                    [
+                                        ResourcetypeInner(
+                                            Some(
+                                                Namespace("DAV:"),
+                                            ),
+                                            "collection",
+                                        ),
+                                        ResourcetypeInner(
+                                            Some(
+                                                Namespace("DAV:"),
+                                            ),
+                                            "principal",
+                                        ),
+                                    ],
+                                ),
+                            ),
+                        ),
+                        Common(
+                            Displayname(
+                                Some(
+                                    "user",
+                                ),
+                            ),
+                        ),
+                        Common(
+                            CurrentUserPrincipal(
+                                HrefElement {
+                                    href: "/carddav/principal/user/",
+                                },
+                            ),
+                        ),
+                        Common(
+                            CurrentUserPrivilegeSet(
+                                UserPrivilegeSet {
+                                    privileges: {
+                                        All,
+                                    },
+                                },
+                            ),
+                        ),
+                        Common(
+                            Owner(
+                                Some(
+                                    HrefElement {
+                                        href: "/carddav/principal/user/",
+                                    },
+                                ),
+                            ),
+                        ),
+                    ],
+                ),
+                status: 200,
+            },
+        ),
+    ],
+}

crates/carddav/src/principal/snapshots/rustical_carddav__principal__tests__propfind-3.snap

@@ -0,0 +1,45 @@
+---
+source: crates/carddav/src/principal/tests.rs
+expression: response.serialize_to_string().unwrap()
+---
+<?xml version="1.0" encoding="utf-8"?>
+<response xmlns="DAV:">
+    <href>/carddav/principal/user/</href>
+    <propstat>
+        <prop xmlns="DAV:">
+            <principal-URL xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/user/</href>
+            </principal-URL>
+            <group-membership xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/group/</href>
+            </group-membership>
+            <group-member-set xmlns="DAV:">
+            </group-member-set>
+            <alternate-URI-set xmlns="DAV:"/>
+            <principal-collection-set xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/</href>
+            </principal-collection-set>
+            <addressbook-home-set xmlns="urn:ietf:params:xml:ns:carddav">
+                <href xmlns="DAV:">/carddav/principal/group/</href>
+                <href xmlns="DAV:">/carddav/principal/user/</href>
+            </addressbook-home-set>
+            <resourcetype xmlns="DAV:">
+                <collection xmlns="DAV:"/>
+                <principal xmlns="DAV:"/>
+            </resourcetype>
+            <displayname xmlns="DAV:">user</displayname>
+            <current-user-principal xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/user/</href>
+            </current-user-principal>
+            <current-user-privilege-set xmlns="DAV:">
+                <privilege>
+                    <all/>
+                </privilege>
+            </current-user-privilege-set>
+            <owner xmlns="DAV:">
+                <href xmlns="DAV:">/carddav/principal/user/</href>
+            </owner>
+        </prop>
+        <status xmlns="DAV:">HTTP/1.1 200 OK</status>
+    </propstat>
+</response>

crates/carddav/src/principal/snapshots/rustical_carddav__principal__tests__propfind.snap

@@ -0,0 +1,8 @@
+---
+source: crates/carddav/src/principal/tests.rs
+expression: propfind
+---
+PropfindElement {
+    prop: Allprop,
+    include: None,
+}

crates/carddav/src/principal/tests.rs

@@ -0,0 +1,41 @@
+use rustical_dav::resource::Resource;
+use rustical_store::auth::Principal;
+use rustical_xml::XmlSerializeRoot;
+
+use crate::{CardDavPrincipalUri, principal::PrincipalResource};
+
+#[test]
+fn test_propfind() {
+    let propfind = PrincipalResource::parse_propfind(
+        r#"<?xml version="1.0" encoding="UTF-8"?><propfind xmlns="DAV:"><allprop/></propfind>"#,
+    )
+    .unwrap();
+
+    insta::assert_debug_snapshot!(propfind);
+
+    let principal = Principal {
+        id: "user".to_string(),
+        displayname: None,
+        principal_type: rustical_store::auth::PrincipalType::Individual,
+        password: None,
+        memberships: vec!["group".to_string()],
+    };
+
+    let resource = PrincipalResource {
+        principal: principal.clone(),
+        members: vec![],
+    };
+
+    let response = resource
+        .propfind(
+            &format!("/carddav/principal/{}", principal.id),
+            &propfind.prop,
+            propfind.include.as_ref(),
+            &CardDavPrincipalUri("/carddav"),
+            &principal,
+        )
+        .unwrap();
+
+    insta::assert_debug_snapshot!(response);
+    insta::assert_snapshot!(response.serialize_to_string().unwrap());
+}

crates/dav/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "rustical_dav"
 version.workspace = true
+rust-version.workspace = true
 edition.workspace = true
 description.workspace = true
 repository.workspace = true
@@ -11,7 +12,6 @@ publish = false
 axum.workspace = true
 tower.workspace = true
 axum-extra.workspace = true
-
 rustical_xml.workspace = true
 async-trait.workspace = true
 futures-util.workspace = true
@@ -28,3 +28,7 @@ headers.workspace = true
 strum.workspace = true
 matchit.workspace = true
 matchit-serde.workspace = true
+caldata = { workspace = true, optional = true }
+
+[features]
+ical = ["dep:caldata"]

crates/dav/src/error.rs

@@ -35,9 +35,9 @@ pub enum Error {
 }
 
 impl Error {
-    pub fn status_code(&self) -> StatusCode {
+    #[must_use]
+    pub const fn status_code(&self) -> StatusCode {
         match self {
-            Self::InternalError => StatusCode::INTERNAL_SERVER_ERROR,
             Self::NotFound => StatusCode::NOT_FOUND,
             Self::BadRequest(_) => StatusCode::BAD_REQUEST,
             Self::Unauthorized => StatusCode::UNAUTHORIZED,
@@ -50,25 +50,24 @@ impl Error {
                 | XmlError::InvalidValue(_) => StatusCode::UNPROCESSABLE_ENTITY,
                 _ => StatusCode::BAD_REQUEST,
             },
-            Error::PropReadOnly => StatusCode::CONFLICT,
-            Error::PreconditionFailed => StatusCode::PRECONDITION_FAILED,
-            Self::IOError(_) => StatusCode::INTERNAL_SERVER_ERROR,
-            Self::Forbidden => StatusCode::FORBIDDEN,
+            Self::PropReadOnly => StatusCode::CONFLICT,
+            Self::InternalError | Self::IOError(_) => StatusCode::INTERNAL_SERVER_ERROR,
+            // 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}");
         }
 
         let mut resp = axum::response::Response::builder().status(self.status_code());
-        if matches!(&self, &Error::Unauthorized) {
+        if matches!(&self, &Self::Unauthorized) {
             resp.headers_mut()
                 .expect("This must always work")
                 .insert("WWW-Authenticate", "Basic".parse().unwrap());

crates/dav/src/extensions/common.rs

@@ -6,7 +6,7 @@ use crate::{
 };
 use rustical_xml::{EnumVariants, PropName, XmlDeserialize, XmlSerialize};
 
-#[derive(XmlDeserialize, XmlSerialize, PartialEq, Clone, PropName, EnumVariants)]
+#[derive(XmlDeserialize, XmlSerialize, PartialEq, Eq, Debug, Clone, PropName, EnumVariants)]
 #[xml(unit_variants_ident = "CommonPropertiesPropName")]
 pub enum CommonPropertiesProp {
     // WebDAV (RFC 2518)
@@ -39,9 +39,9 @@ pub trait CommonPropertiesExtension: Resource {
             CommonPropertiesPropName::Resourcetype => {
                 CommonPropertiesProp::Resourcetype(self.get_resourcetype())
             }
-            CommonPropertiesPropName::Displayname => {
-                CommonPropertiesProp::Displayname(self.get_displayname().map(|s| s.to_string()))
-            }
+            CommonPropertiesPropName::Displayname => CommonPropertiesProp::Displayname(
+                self.get_displayname().map(std::string::ToString::to_string),
+            ),
             CommonPropertiesPropName::CurrentUserPrincipal => {
                 CommonPropertiesProp::CurrentUserPrincipal(
                     principal_uri.principal_uri(principal.get_id()).into(),