开发 Carddav/Caldav 服务器。同步后 iOS 上的事件在客户端消失

Question

我目前正在开发一个 carddav/caldav 服务器。我已经可以在 windows / windows phone / android 上与很多客户交流。现在我尝试与 iOS 同步。地址簿同步工作正常，但日历应用程序行为异常。它同步所有日历和约会并显示它们 correctly.It 甚至将事件的参与者链接到地址簿中的联系人。但是一旦同步完成，日历和约会就会完全消失。有人有提示吗？

我的测试设备是 IPad 2，iOS 8.3 (12F69)。

这里是通讯。我在未经授权的情况下省略了请求 Header。我还必须编辑主机名，但它在所有请求中都是相同的。

我没有回答很多 iOS 询问的属性。但由于所有约会都在短时间内正确显示，因此不需要这些。还有很多不是 caldav 规范的一部分（但仍然放在同一个 xmlns 中？）。

初始Propfind

请求

PROPFIND host:9998/.well-known/caldav HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) accountsd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 0
Connection: keep-alive
Authorization: Basic ZmdoZ2poZ2g6a2dmZ2hqaA==
Content-Length: 181
Brief: t

<?xml version="1.0" encoding="UTF-8"?>
<A:propfind xmlns:A="DAV:">
  <A:prop>
    <A:current-user-principal/>
    <A:principal-URL/>
    <A:resourcetype/>
  </A:prop>
</A:propfind>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 791
Date: Tue, 15 Dec 2015 08:25:22 GMT

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/</d:href>
    <d:propstat>
      <d:prop>
        <d:resourcetype>
          <d:collection/>
        </d:resourcetype>
        <d:current-user-principal>
          <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:current-user-principal>
        <d:principal-url>
          <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:principal-url>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

选项

请求

OPTIONS http://host:9998/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/ HTTP/1.1
Host: host:9998
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Accept-Encoding: gzip, deflate
Accept: */*
Content-Length: 0
Accept-Language: de-de
Connection: keep-alive
User-Agent: iOS/8.3 (12F69) accountsd/1.0

回应

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 0
Date: Tue, 15 Dec 2015 08:25:22 GMT

Propfind（我这里不回答很多属性）

请求

PROPFIND host:9998/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/ HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 0
Connection: keep-alive
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Content-Length: 743
Brief: t

<A:propfind xmlns:A="DAV:">
  <A:prop>
    <B:calendar-home-set xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <B:calendar-user-address-set xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <A:current-user-principal/>
    <A:displayname/>
    <C:dropbox-home-URL xmlns:C="http://calendarserver.org/ns/"/>
    <C:email-address-set xmlns:C="http://calendarserver.org/ns/"/>
    <C:notification-URL xmlns:C="http://calendarserver.org/ns/"/>
    <A:principal-collection-set/>
    <A:principal-URL/>
    <A:resource-id/>
    <B:schedule-inbox-URL xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <B:schedule-outbox-URL xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <A:supported-report-set/>
  </A:prop>
</A:propfind>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 958
Date: Tue, 15 Dec 2015 08:25:48 GMT

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
    <d:propstat>
      <d:prop>
        <d:displayname>Robert Glaser</d:displayname>
        <d:current-user-principal>
          <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:current-user-principal>
        <cal:calendar-home-set>
          <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/</d:href>
        </cal:calendar-home-set>
        <d:principal-url>
          <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:principal-url>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

Propfind

请求

PROPFIND http://host:9998/.well-known/carddav/DEVELOPMENT/principals/Robert%20Glaser/ HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 0
Connection: keep-alive
Authorization: Basic Z2poZ2o6amhqamo=
Content-Length: 439
Brief: t

<?xml version="1.0" encoding="UTF-8"?>
<A:propfind xmlns:A="DAV:">
  <A:prop>
    <D:addressbook-home-set xmlns:D="urn:ietf:params:xml:ns:carddav"/>
    <D:directory-gateway xmlns:D="urn:ietf:params:xml:ns:carddav"/>
    <A:displayname/>
    <C:email-address-set xmlns:C="http://calendarserver.org/ns/"/>
    <A:principal-collection-set/>
    <A:principal-URL/>
    <A:resource-id/>
    <A:supported-report-set/>
  </A:prop>
</A:propfind>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 795
Date: Tue, 15 Dec 2015 08:25:48 GMT

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/carddav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
    <d:propstat>
      <d:prop>
        <d:displayname>Robert Glaser</d:displayname>
        <card:addressbook-home-set>
          <d:href>/.well-known/carddav/DEVELOPMENT/addressbooks/</d:href>
        </card:addressbook-home-set>
        <d:principal-url>
          <d:href>/.well-known/carddav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:principal-url>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

Propfind

请求

PROPFIND http://host:9998/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/ HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 1
Connection: keep-alive
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Content-Length: 2097
Brief: t

<?xml version="1.0" encoding="UTF-8"?>
<A:propfind xmlns:A="DAV:">
  <A:prop>
    <A:add-member/>
    <C:allowed-sharing-modes xmlns:C="http://calendarserver.org/ns/"/>
    <F:autoprovisioned xmlns:F="http://apple.com/ns/ical/"/>
    <E:bulk-requests xmlns:E="http://me.com/_namespace/"/>
    <F:calendar-color xmlns:F="http://apple.com/ns/ical/"/>
    <B:calendar-description xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <B:calendar-free-busy-set xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <F:calendar-order xmlns:F="http://apple.com/ns/ical/"/>
    <B:calendar-timezone xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <A:current-user-privilege-set/>
    <B:default-alarm-vevent-date xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <B:default-alarm-vevent-datetime xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <A:displayname/>
    <C:getctag xmlns:C="http://calendarserver.org/ns/"/>
    <F:language-code xmlns:F="http://apple.com/ns/ical/"/>
    <F:location-code xmlns:F="http://apple.com/ns/ical/"/>
    <A:owner/>
    <C:pre-publish-url xmlns:C="http://calendarserver.org/ns/"/>
    <C:publish-url xmlns:C="http://calendarserver.org/ns/"/>
    <C:push-transports xmlns:C="http://calendarserver.org/ns/"/>
    <C:pushkey xmlns:C="http://calendarserver.org/ns/"/>
    <A:quota-available-bytes/>
    <A:quota-used-bytes/>
    <F:refreshrate xmlns:F="http://apple.com/ns/ical/"/>
    <A:resource-id/>
    <A:resourcetype/>
    <B:schedule-calendar-transp xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <B:schedule-default-calendar-URL xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <C:source xmlns:C="http://calendarserver.org/ns/"/>
    <C:subscribed-strip-alarms xmlns:C="http://calendarserver.org/ns/"/>
    <C:subscribed-strip-attachments xmlns:C="http://calendarserver.org/ns/"/>
    <C:subscribed-strip-todos xmlns:C="http://calendarserver.org/ns/"/>
    <B:supported-calendar-component-set xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <B:supported-calendar-component-sets xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <A:supported-report-set/>
    <A:sync-token/>
  </A:prop>
</A:propfind>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 2984
Date: Tue, 15 Dec 2015 08:25:49 GMT

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/</d:href>
    <d:propstat>
      <d:prop>
        <d:resourcetype>
          <d:collection/>
        </d:resourcetype>
        <cs:getctag/>
        <d:displayname>Robert Glaser</d:displayname>
        <d:current-user-privilege-set>
          <d:privilege>
            <d:all/>
          </d:privilege>
          <d:privilege>
            <d:read/>
          </d:privilege>
          <d:privilege>
            <d:read-acl/>
          </d:privilege>
          <d:privilege>
            <d:write/>
          </d:privilege>
          <d:privilege>
            <d:write-content/>
          </d:privilege>
          <d:privilege>
            <d:read-current-user-privilege-set/>
          </d:privilege>
        </d:current-user-privilege-set>
        <d:owner>
          <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:owner>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/</d:href>
    <d:propstat>
      <d:prop>
        <d:resourcetype>
          <d:collection/>
          <cal:calendar/>
        </d:resourcetype>
        <cs:getctag>669801837942</cs:getctag>
        <d:displayname>Alle Termine</d:displayname>
        <d:supported-report-set>
          <d:supported-report>
            <d:report>
              <cal:calendar-multiget/>
            </d:report>
          </d:supported-report>
          <d:supported-report>
            <d:report>
              <cal:calendar-query/>
            </d:report>
          </d:supported-report>
        </d:supported-report-set>
        <d:current-user-privilege-set>
          <d:privilege>
            <d:all/>
          </d:privilege>
          <d:privilege>
            <d:read/>
          </d:privilege>
          <d:privilege>
            <d:read-acl/>
          </d:privilege>
          <d:privilege>
            <d:write/>
          </d:privilege>
          <d:privilege>
            <d:write-content/>
          </d:privilege>
          <d:privilege>
            <d:read-current-user-privilege-set/>
          </d:privilege>
        </d:current-user-privilege-set>
        <cal:supported-calendar-component-set>
          <cal:comp name="VEVENT"/>
          <cal:comp name="VTIMEZONE"/>
        </cal:supported-calendar-component-set>
        <d:owner>
          <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
        </d:owner>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

Proppatch（未实现

请求

PROPPATCH http://host:9998/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/ HTTP/1.1
Host: host:9998
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Accept-Encoding: gzip, deflate
Content-Type: text/xml
Accept-Language: de-de
Content-Length: 198
Accept: */*
Connection: keep-alive
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0

<?xml version="1.0" encoding="UTF-8"?>
<A:propertyupdate xmlns:A="DAV:"><A:set><A:prop><F:calendar-order xmlns:F="http://apple.com/ns/ical/">0</F:calendar-order></A:prop></A:set></A:propertyupdate>

回应

HTTP/1.1 501 Not Implemented
Server: Apache-Coyote/1.1
Content-Type: text/html;charset=utf-8
Content-Language: en
Content-Length: 1029
Date: Tue, 15 Dec 2015 08:25:49 GMT
Connection: close

<!DOCTYPE html><html><head><title>Apache Tomcat/8.0.24 - Error report</title><style type="text/css">H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}.line {height: 1px; background-color: #525D76; border: none;}</style> </head><body><h1>HTTP Status 501 - </h1><div class="line"></div><p><b>type</b> Status report</p><p><b>message</b> <u></u></p><p><b>description</b> <u>The server does not support the functionality needed to fulfill this request.</u></p><hr class="line"><h3>Apache Tomcat/8.0.24</h3></body></html>

Propfind

请求

PROPFIND http://host:9998/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/ HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 0
Connection: keep-alive
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Content-Length: 267
Brief: t

<?xml version="1.0" encoding="UTF-8"?>
<A:propfind xmlns:A="DAV:">
  <A:prop>
    <B:calendar-user-address-set xmlns:B="urn:ietf:params:xml:ns:caldav"/>
    <A:displayname/>
    <C:email-address-set xmlns:C="http://calendarserver.org/ns/"/>
  </A:prop>
</A:propfind>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 500
Date: Tue, 15 Dec 2015 08:25:49 GMT

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/principals/Robert%20Glaser/</d:href>
    <d:propstat>
      <d:prop>
        <d:displayname>Robert Glaser</d:displayname>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

MKCALENDAR（未实现）

请求

MKCALENDAR http://host:9998/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/B39676BE-F124-475E-9ED2-B8756951DF29/ HTTP/1.1
Host: host:9998
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Accept-Encoding: gzip, deflate
Content-Type: text/xml
Accept-Language: de-de
Content-Length: 1046
Accept: */*
Connection: keep-alive
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0

<?xml version="1.0" encoding="UTF-8"?>
<B:mkcalendar xmlns:B="urn:ietf:params:xml:ns:caldav">
  <A:set xmlns:A="DAV:">
    <A:prop>
      <F:calendar-order xmlns:F="http://apple.com/ns/ical/">0</F:calendar-order>
      <B:calendar-timezone>BEGIN:VCALENDAR&#13;
VERSION:2.0&#13;
CALSCALE:GREGORIAN&#13;
BEGIN:VTIMEZONE&#13;
TZID:Europe/Berlin&#13;
BEGIN:DAYLIGHT&#13;
TZOFFSETFROM:+0100&#13;
TZNAME:MESZ&#13;
TZOFFSETTO:+0200&#13;
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU&#13;
DTSTART:19810329T020000&#13;
END:DAYLIGHT&#13;
BEGIN:STANDARD&#13;
TZOFFSETFROM:+0200&#13;
TZNAME:MEZ&#13;
TZOFFSETTO:+0100&#13;
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU&#13;
DTSTART:19961027T030000&#13;
END:STANDARD&#13;
END:VTIMEZONE&#13;
END:VCALENDAR&#13;
</B:calendar-timezone>
      <A:displayname>Erinnerungen</A:displayname>
      <B:calendar-free-busy-set>
        <NO/>
      </B:calendar-free-busy-set>
      <B:supported-calendar-component-set>
        <B:comp name="VTODO"/>
      </B:supported-calendar-component-set>
    </A:prop>
  </A:set>
</B:mkcalendar>

回应

HTTP/1.1 501 Not Implemented
Server: Apache-Coyote/1.1
Content-Type: text/html;charset=utf-8
Content-Language: en
Content-Length: 1029
Date: Tue, 15 Dec 2015 08:25:49 GMT
Connection: close

<!DOCTYPE html><html><head><title>Apache Tomcat/8.0.24 - Error report</title><style type="text/css">H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}.line {height: 1px; background-color: #525D76; border: none;}</style> </head><body><h1>HTTP Status 501 - </h1><div class="line"></div><p><b>type</b> Status report</p><p><b>message</b> <u></u></p><p><b>description</b> <u>The server does not support the functionality needed to fulfill this request.</u></p><hr class="line"><h3>Apache Tomcat/8.0.24</h3></body></html>

Propfind（在日历上，我不在这里回答同步令牌）

PROPFIND http://host:9998/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/ HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 0
Connection: keep-alive
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Content-Length: 181
Brief: t

<?xml version="1.0" encoding="UTF-8"?>
<A:propfind xmlns:A="DAV:">
  <A:prop>
    <C:getctag xmlns:C="http://calendarserver.org/ns/"/>
    <A:sync-token/>
  </A:prop>
</A:propfind>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Content-Length: 507
Date: Tue, 15 Dec 2015 08:25:51 GMT

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/</d:href>
    <d:propstat>
      <d:prop>
        <cs:getctag>669801837942</cs:getctag>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

Propfind（查找所有约会）

请求

PROPFIND host:9998/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/ HTTP/1.1
Host: host:9998
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0
Accept-Language: de-de
Accept-Encoding: gzip, deflate
Accept: */*
Content-Type: text/xml
Prefer: return=minimal
Depth: 1
Connection: keep-alive
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Content-Length: 145
Brief: t

<?xml version="1.0" encoding="UTF-8"?>
<A:propfind xmlns:A="DAV:">
  <A:prop>
    <A:getcontenttype/>
    <A:getetag/>
  </A:prop>
</A:propfind>

响应（响应中有更多约会，我这里只显示第一个，但它们看起来都一样，只是 href 不同）

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml
Transfer-Encoding: chunked
Date: Tue, 15 Dec 2015 08:25:54 GMT

2000
<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/</d:href>
    <d:propstat>
      <d:prop/>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/0075712608923743A35868DB6A589A31.ics</d:href>
    <d:propstat>
      <d:prop>
        <d:getetag>1241532994</d:getetag>
        <d:getcontenttype>text/calendar</d:getcontenttype>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

报告（下载所有约会，再次忽略其他 href）

请求

REPORT http://host:9998/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/ HTTP/1.1
Host: host:9998
Authorization: Basic bW5iam5ia2tqaHZmOm1oZ2o=
Accept-Encoding: gzip, deflate
Content-Type: text/xml
Accept-Language: de-de
Content-Length: 7677
Accept: */*
Connection: keep-alive
User-Agent: iOS/8.3 (12F69) dataaccessd/1.0

<?xml version="1.0" encoding="UTF-8"?>
<B:calendar-multiget xmlns:B="urn:ietf:params:xml:ns:caldav">
  <A:prop xmlns:A="DAV:">
    <A:getetag/>
    <B:calendar-data/>
    <C:created-by xmlns:C="http://calendarserver.org/ns/"/>
    <C:updated-by xmlns:C="http://calendarserver.org/ns/"/>
    <B:schedule-tag/>
  </A:prop>
  <A:href xmlns:A="DAV:">/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/50EAF942E0AB35A1B81792F7AAB6027E.ics</A:href>
</B:calendar-multiget>

回应

HTTP/1.1 207 Multi-Status
Server: Apache-Coyote/1.1
Allow: OPTIONS, GET, HEAD, DELETE, PROPFIND, PUT, REPORT
DAV: 1, 3, extended-mkcol, addressbook, access-control, calendar-access
MS-Author-Via: DAV
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
Accept-Ranges: bytes
Content-Type: text/xml;charset=utf-8
Date: Tue, 15 Dec 2015 08:25:58 GMT
Content-Length: 58259

<?xml version="1.0" encoding="UTF-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:cal="urn:ietf:params:xml:ns:caldav" xmlns:card="urn:ietf:params:xml:ns:carddav" xmlns:cs="http://calendarserver.org/ns/">
  <d:response>
    <d:href>/.well-known/caldav/DEVELOPMENT/calendars/Robert%20Glaser/Alle%20Termine/50EAF942E0AB35A1B81792F7AAB6027E.ics</d:href>
    <d:propstat>
      <d:prop>
        <d:getetag>1447948122</d:getetag>
        <cal:calendar-data>BEGIN:VCALENDAR&#13;
CALSCALE:GREGORIAN&#13;
VERSION:2.0&#13;
PRODID:-//DE/RND/DAV/CALDAV &#13;
BEGIN:VEVENT&#13;
DTSTAMP:20151215T082555Z&#13;
CLASS:PUBLIC&#13;
DESCRIPTION:&#13;
DTSTART:20151120T070000Z&#13;
DTEND:20151120T073000Z&#13;
SUMMARY:NeuerMehrTeilnehmerTermin&#13;
TRANSP:OPAQUE&#13;
ATTENDEE;CN=Robert Glaser;PARTSTAT=ACCEPTED:mailto:robert.glaser@web.de&#13;
RESOURCES:Audi A6&#13;
UID:50EAF942E0AB35A1B81792F7AAB6027E&#13;
CREATED:20151119T154839Z&#13;
LAST-MODIFIED:20151119T154839Z&#13;
END:VEVENT&#13;
END:VCALENDAR&#13;
</cal:calendar-data>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

在此之后，还有 4 个 REPORT 请求来获取所有约会。之后，在主机的根目录中有一个 propfind 请求，由于 30.000 个字符的限制，我不能 post。我无法回答这个请求，因为它没有到达我的 servlet。

感谢您的帮助。

Answer 1

这是我的笔记：

整个 caldav 服务器在 .well-known 之下很奇怪。 .well-known 路径只是重定向到真实位置。它不应该中断，但有可能。
一般来说，避免在 url 中使用百分比编码是件好事，例如您的主要路径。同样，这应该不是问题，但我已经看到客户出错了。
您的 etags 需要用双引号括起来（也在 d:etag 元素中）。

但我认为真正的罪魁祸首是您既不支持同步令牌也不支持 ctag。没有它们，客户的应该工作正常，但我所看到的现实是有些人不能。我觉得这是最有可能的问题，因为您描述的问题与初始同步后的同步有关。实际上，任何客户端都会使用 ctag（许多现在使用同步令牌）来确定集合中是否有任何更改。

Answer 2

今天，我终于可以修复错误了。在第一个请求中，ios 要求委托人-URL，我回答了委托人-url。为了被 iOS 识别，这个标记名的最后部分必须用大写字母书写。它使用 URL 在同步后向委托人发出一个（我认为毫无意义的）请求。

开发 Carddav/Caldav 服务器。同步后 iOS 上的事件在客户端消失

Developing Carddav/Caldav Server. Events disappear clientside on iOS after syncing

ios

calendar

webdav

caldav

初始Propfind

请求

回应

选项

请求

回应

Propfind（我这里不回答很多属性）

请求

回应

Propfind

请求

回应

Propfind

请求

回应

Proppatch（未实现

请求

回应

Propfind

请求

回应

MKCALENDAR（未实现）

请求

回应

Propfind（在日历上，我不在这里回答同步令牌）

回应

Propfind（查找所有约会）

请求

响应（响应中有更多约会，我这里只显示第一个，但它们看起来都一样，只是 href 不同）

报告（下载所有约会，再次忽略其他 href）

请求

回应