Add autoconfigure feature for Kolab users

CalDavSynchronizer/CalDavSynchronizer.csproj

@@ -901,6 +901,8 @@
   </ItemGroup>
   <ItemGroup>
     <Content Include="LICENSE.txt" />
+    <None Include="Resources\TasklistReadWrite.ico" />
+    <None Include="Resources\TasklistReadOnly.ico" />
     <Resource Include="Resources\ProfileLogos\logo_kolab.png" />
     <Resource Include="Resources\ProfileLogos\logo_swisscom.png" />
     <Resource Include="Resources\ProfileLogos\logo_iCloud.png" />
@@ -940,6 +942,10 @@
     <Resource Include="Resources\Import.png" />
     <Resource Include="Resources\ClearCache.png" />
     <None Include="Resources\ApplicationLogoLarge.png" />
+    <None Include="Resources\AddressbookReadOnly.ico" />
+    <None Include="Resources\AddressbookReadWrite.ico" />
+    <None Include="Resources\CalendarReadOnly.ico" />
+    <None Include="Resources\CalendarReadWrite.ico" />
     <Content Include="Resources\LogoBanner.bmp" />
     <Resource Include="Resources\ExpandAll.png" />
     <Resource Include="Resources\ProfileLogos\logo_nextcloud.png" />
@@ -1090,7 +1096,7 @@
     </ManifestKeyFile>
   </PropertyGroup>
   <PropertyGroup>
-    <ManifestCertificateThumbprint>99D12A4419EA17C4DB056A34FEDAFDC1A576A921</ManifestCertificateThumbprint>
+    <ManifestCertificateThumbprint>1420A545B90CAFB4925D2F952464AA1F36A0AA27</ManifestCertificateThumbprint>
   </PropertyGroup>
   <!-- Include the build rules for a C# project. -->
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

CalDavSynchronizer/Contracts/GeneralOption.cs

@@ -49,6 +49,7 @@ public class GeneralOptions
     public int ThresholdForProgressDisplay { get; set; }
     public int MaxSucessiveWarnings { get; set; }
     public string CultureName { get; set; }
+    public bool AutoconfigureKolab { get; set; }
 
     public GeneralOptions Clone()
     {

CalDavSynchronizer/DataAccess/AddressBookData.cs

@@ -24,11 +24,13 @@ public class AddressBookData
   {
     public Uri Uri { get; }
     public string Name { get; }
+    public bool ReadOnly { get; }
 
-    public AddressBookData (Uri uri, string name)
+    public AddressBookData (Uri uri, string name, bool readOnly = false)
     {
       Uri = uri;
       Name = name;
+      ReadOnly = readOnly;
     }
   }
 }

CalDavSynchronizer/DataAccess/CalDavDataAccess.cs

@@ -150,6 +150,11 @@ public async Task<CalDavResources> GetUserResourcesNoThrow (bool useWellKnownUrl
           XmlNode homeSetNode = calendarHomeSetProperties.XmlDocument.SelectSingleNode ("/D:multistatus/D:response/D:propstat/D:prop/C:calendar-home-set", calendarHomeSetProperties.XmlNamespaceManager);
           if (homeSetNode != null && homeSetNode.HasChildNodes)
           {
+            // https://tools.ietf.org/html/rfc6638#section-9.2
+            XmlNode scheduleDefaultCalendarNode = calendarHomeSetProperties.XmlDocument.SelectSingleNode("/D:multistatus/D:response/D:propstat/D:prop/C:schedule-default-calendar-URL", calendarHomeSetProperties.XmlNamespaceManager);
+            String scheduleDefaultCalendarPath = scheduleDefaultCalendarNode == null ? "" :
+              scheduleDefaultCalendarNode.InnerText.EndsWith("/") ? scheduleDefaultCalendarNode.InnerText : scheduleDefaultCalendarNode.InnerText + "/";
+            bool isFirstCalendar = true;
             foreach (XmlNode homeSetNodeHref in homeSetNode.ChildNodes)
             {  
               if (!string.IsNullOrEmpty (homeSetNodeHref.InnerText))
@@ -182,16 +187,20 @@ public async Task<CalDavResources> GetUserResourcesNoThrow (bool useWellKnownUrl
                       if (supportedComponentsNode != null)
                       {
                         var path = urlNode.InnerText.EndsWith ("/") ? urlNode.InnerText : urlNode.InnerText + "/";
+                        var uri = new Uri(calendarDocument.DocumentUri, path);
+                        bool ro = await IsReadOnly(uri);
 
                         if (supportedComponentsNode.InnerXml.Contains ("VEVENT"))
                         {
+                          bool isDefault = (scheduleDefaultCalendarNode != null && scheduleDefaultCalendarPath == path || scheduleDefaultCalendarNode == null && isFirstCalendar);
+                          isFirstCalendar = false;
                           var displayName = string.IsNullOrEmpty (displayNameNode.InnerText) ? "Default Calendar" : displayNameNode.InnerText;
-                          calendars.Add (new CalendarData (new Uri (calendarDocument.DocumentUri, path), displayName, calendarColor));
+                          calendars.Add (new CalendarData (uri, displayName, calendarColor, ro, isDefault));
                         }
                         if (supportedComponentsNode.InnerXml.Contains ("VTODO"))
                         {
                           var displayName = string.IsNullOrEmpty (displayNameNode.InnerText) ? "Default Tasks" : displayNameNode.InnerText;
-                          taskLists.Add (new TaskListData (new Uri (calendarDocument.DocumentUri, path).ToString(), displayName));
+                          taskLists.Add (new TaskListData (uri.ToString(), displayName, ro));
                         }
                       }
                     }
@@ -233,6 +242,7 @@ private Task<XmlDocumentWithNamespaceManager> GetCalendarHomeSet (Uri url)
                         <D:propfind xmlns:D=""DAV:"" xmlns:C=""urn:ietf:params:xml:ns:caldav"">
                           <D:prop>
                             <C:calendar-home-set/>
+                            <C:schedule-default-calendar-URL/>
                           </D:prop>
                         </D:propfind>
                  "

CalDavSynchronizer/DataAccess/CalendarData.cs

@@ -25,12 +25,16 @@ public class CalendarData
     public Uri Uri { get; }
     public string Name { get; }
     public ArgbColor? Color { get; }
+    public bool ReadOnly { get; }
+    public bool IsDefault { get; }
 
-    public CalendarData (Uri uri, string name, ArgbColor? color)
+    public CalendarData (Uri uri, string name, ArgbColor? color, bool readOnly = false, bool isDefault = false)
     {
       Uri = uri;
       Name = name;
       Color = color;
+      ReadOnly = readOnly;
+      IsDefault = isDefault;
     }
   }
 }

CalDavSynchronizer/DataAccess/CardDavDataAccess.cs

@@ -170,7 +170,9 @@ public async Task<IReadOnlyList<AddressBookData>> GetUserAddressBooksNoThrow (bo
                     {
                       var path = urlNode.InnerText.EndsWith ("/") ? urlNode.InnerText : urlNode.InnerText + "/";
                       var displayName = string.IsNullOrEmpty (displayNameNode.InnerText) ? "Default Addressbook" : displayNameNode.InnerText;
-                      addressbooks.Add (new AddressBookData (new Uri (addressBookDocument.DocumentUri, path), displayName));
+                      var uri = new Uri(addressBookDocument.DocumentUri, path);
+                      bool ro = await IsReadOnly(uri);
+                      addressbooks.Add (new AddressBookData (uri, displayName, ro));
                     }
                   }
                 }

CalDavSynchronizer/DataAccess/GeneralOptionsDataAccess.cs

@@ -65,6 +65,7 @@ public class GeneralOptionsDataAccess : IGeneralOptionsDataAccess
     private const string ValueNameMaxSucessiveWarnings = "MaxSucessiveWarnings";
 
     private const string ValueNameCultureName = "CultureName";
+    private const string ValueNameAutoconfigureKolab = "AutoconfigureKolab";
 
     public GeneralOptions LoadOptions ()
     {
@@ -102,7 +103,8 @@ public GeneralOptions LoadOptions ()
                    ShowProgressBar = (int) (key.GetValue (ValueNameShowProgressBar) ?? Convert.ToInt32 (Boolean.Parse (ConfigurationManager.AppSettings["showProgressBar"] ?? bool.TrueString))) != 0,
                    ThresholdForProgressDisplay = (int) (key.GetValue (ValueNameThresholdForProgressDisplay) ?? int.Parse(ConfigurationManager.AppSettings["loadOperationThresholdForProgressDisplay"] ?? "50")),
                    MaxSucessiveWarnings = (int) (key.GetValue (ValueNameMaxSucessiveWarnings) ?? 2),
-                   CultureName = GetCultureName(key)
+                   CultureName = GetCultureName(key),
+                   AutoconfigureKolab = (int)(key.GetValue(ValueNameAutoconfigureKolab) ?? 0) != 0
         };
       }
     }

CalDavSynchronizer/DataAccess/TaskListData.cs

@@ -24,11 +24,13 @@ public class TaskListData
   {
     public string Id { get; }
     public string Name { get; }
+    public bool ReadOnly { get; }
 
-    public TaskListData (string id, string name)
+    public TaskListData (string id, string name, bool readOnly = false)
     {
       Id = id;
       Name = name;
+      ReadOnly = readOnly;
     }
   }
 }

CalDavSynchronizer/DataAccess/WebDavDataAccess.cs

@@ -113,6 +113,48 @@ public async Task<AccessPrivileges> GetPrivileges ()
       return privileges;
     }
 
+    // Only consider resource as read-only if we are sure. That is:
+    // - we can query ACL property
+    // - we see a READ privilage, but no WRITE privilege
+    public async Task<bool> IsReadOnly(Uri resourceUrl)
+    {
+      try
+      {
+        var document = await _webDavClient.ExecuteWebDavRequestAndReadResponse(
+            resourceUrl,
+            "PROPFIND",
+            0,
+            null,
+            null,
+            "application/xml",
+            @"<?xml version='1.0'?>
+                      <D:propfind xmlns:D=""DAV:"" xmlns:C=""urn:ietf:params:xml:ns:caldav"" xmlns:E=""http://apple.com/ns/ical/"">
+                          <D:prop>
+                              <D:acl />
+                          </D:prop>
+                      </D:propfind>
+                 "
+            );
+
+        if (
+          document.XmlDocument.SelectSingleNode("/D:multistatus/D:response/D:propstat/D:prop/D:acl/D:ace/D:grant/D:privilege/D:read", document.XmlNamespaceManager) != null
+          && document.XmlDocument.SelectSingleNode("/D:multistatus/D:response/D:propstat/D:prop/D:acl/D:ace/D:grant/D:privilege/D:write", document.XmlNamespaceManager) == null
+          )
+        {
+          return true;
+        }
+        else
+        {
+          return false;
+        }
+      }
+      catch (Exception x)
+      {
+        s_logger.Error(null, x);
+        return false;
+      }
+    }
+
     protected async Task<string> GetEtag (Uri absoluteEntityUrl)
     {
       var headers = await _webDavClient.ExecuteWebDavRequestAndReturnResponseHeaders (absoluteEntityUrl, "GET", null, null, null, null, null);

CalDavSynchronizer/Globalization/StringResources.de-DE.resx

@@ -1404,4 +1404,31 @@ Andere Protokolle können mittels protocol: address hinzugefügt werden</value>
   <data name="Map Outlook Public flag to default instead of PUBLIC" xml:space="preserve">
     <value>Synchronisiere öffentliche Outlook Termine auf Standard Sichtbarkeit anstelle von PUBLIC</value>
   </data>
+  <data name="Deleted" xml:space="preserve">
+    <value>Gelöscht</value>
+  </data>
+  <data name="local changes made in Outlook and remote changes from the server are merged." xml:space="preserve">
+    <value>Änderungen in Outlook und Änderungen vom Server werden zusammengeführt.</value>
+  </data>
+  <data name="local changes made in Outlook are discarded and replaced by data from the server." xml:space="preserve">
+    <value>Änderungen in Outlook werden verworfen und durch Daten vom Server ersetzt.</value>
+  </data>
+  <data name="Read-only address book" xml:space="preserve">
+    <value>Adressbuch mit Nur-Lese-Zugriff</value>
+  </data>
+  <data name="Read-only calendar" xml:space="preserve">
+    <value>Kalender mit Nur-Lese-Zugriff</value>
+  </data>
+  <data name="Read-only task list" xml:space="preserve">
+    <value>Aufgabenliste mit Nur-Lese-Zugriff</value>
+  </data>
+  <data name="Read-write address book" xml:space="preserve">
+    <value>Adressbuch mit Lese- und Schreibzugriff</value>
+  </data>
+  <data name="Read-write calendar" xml:space="preserve">
+    <value>Kalender mit Lese- und Schreibzugriff</value>
+  </data>
+  <data name="Read-write task list" xml:space="preserve">
+    <value>Aufgabenliste mit Lese- und Schreibzugriff</value>
+  </data>
 </root>

CalDavSynchronizer/Globalization/StringResources.ru-RU.resx

@@ -1342,4 +1342,7 @@
   <data name="Map Outlook Public flag to default instead of PUBLIC" xml:space="preserve">
     <value>Установите флаг общедоступный MS Outlook по умолчанию вместо PUBLIC</value>
   </data>
+  <data name="Deleted" xml:space="preserve">
+    <value>удаленный</value>
+  </data>
 </root>

CalDavSynchronizer/Properties/Resources.resx

@@ -145,4 +145,22 @@
   <data name="ApplicationLogoLarge" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\ApplicationLogoLarge.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
+  <data name="AddressbookReadOnly" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\AddressbookReadOnly.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="AddressbookReadWrite" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\AddressbookReadWrite.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="CalendarReadOnly" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\CalendarReadOnly.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="CalendarReadWrite" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\CalendarReadWrite.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="TasklistReadOnly" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\TasklistReadOnly.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="TasklistReadWrite" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\TasklistReadWrite.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
 </root>