Rustical (WIP)

a calendar server

Installation

Todo

• CalDAV
  • Support for VEVENT, VTODO, VJOURNAL
  • Proper filtering for REPORT method
    • comp-filter
    • time-range filter
    • good enough to use
    • prop-filter
  • ICS parsing
    • Datetime parsing
  • Implement PROPPATCH
• CardDAV
• Auth (There currently is no authentication at all in place for some routes)
  • static authentication
  • Access control
  • preparation for different principal types (groups)
  • authentication rewrite? (argon2 is very slow for each request)
    • solved through app tokens
  • OIDC support
• Web UI
• Trash bin
  • Hiding calendars instead of deleting them
  • Restore endpoint
• Packaging
  • Ensure cargo install works
  • Docker image
  • Releases
• Locking
• Testing such that I'm confident enough to use it myself :)
• WebDAV sync extension RFC 6578
  • implement getctag see
  • implement WebDAV If header
• Ensure proper routing

Relevant RFCs

• Versioning Extensions to WebDAV: RFC 3253
  • provides the REPORT method
• Calendaring Extensions to WebDAV (CalDAV): RFC 4791
• Scheduling Extensions to CalDAV: RFC 6638
  • not sure yet whether to implement this
• Collection Synchronization WebDAV RFC 6578
  • We need to implement sync-token, etc.
  • This is important for more efficient synchronisation
• iCalendar RFC 2445

Sync-token

• a returned version of a resource is marked with a sync token
• the client can send the sync token to find out about changes after this sync token