ZP-823 Do not sync suggested contacts folder.

Released under the Affero GNU General Public License (AGPL) version 3.

src/backend/zarafa/mapiprovider.php

@@ -843,6 +843,7 @@ class MAPIProvider {
      * @return SyncFolder
      */
     public function GetFolder($folderprops) {
+
         $folder = new SyncFolder();
 
         $storeprops = $this->getStoreProps();
@@ -851,7 +852,7 @@ class MAPIProvider {
         if (isset($folderprops[PR_SOURCE_KEY]) && !isset($folderprops[PR_ENTRYID]) && !isset($folderprops[PR_CONTAINER_CLASS])) {
             $entryid = mapi_msgstore_entryidfromsourcekey($this->store, $folderprops[PR_SOURCE_KEY]);
             $mapifolder = mapi_msgstore_openentry($this->store, $entryid);
-            $folderprops = mapi_getprops($mapifolder, array(PR_DISPLAY_NAME, PR_PARENT_ENTRYID, PR_ENTRYID, PR_SOURCE_KEY, PR_PARENT_SOURCE_KEY, PR_CONTAINER_CLASS, PR_ATTR_HIDDEN));
+            $folderprops = mapi_getprops($mapifolder, array(PR_DISPLAY_NAME, PR_PARENT_ENTRYID, PR_ENTRYID, PR_SOURCE_KEY, PR_PARENT_SOURCE_KEY, PR_CONTAINER_CLASS, PR_ATTR_HIDDEN, PR_EXTENDED_FOLDER_FLAGS));
             ZLog::Write(LOGLEVEL_DEBUG, "MAPIProvider->GetFolder(): received insuffient of data from ICS. Fetching required data.");
         }
 
@@ -877,6 +878,16 @@ class MAPIProvider {
             return false;
         }
 
+        // ignore suggested contacts folder
+        if (isset($folderprops[PR_CONTAINER_CLASS]) && $folderprops[PR_CONTAINER_CLASS] == "IPF.Contact" && isset($folderprops[PR_EXTENDED_FOLDER_FLAGS])) {
+            // the PR_EXTENDED_FOLDER_FLAGS is a binary value which consists of subproperties. 070403000000 indicates a suggested contacts folder
+            $extendedFlags = bin2hex($folderprops[PR_EXTENDED_FOLDER_FLAGS]);
+            if (substr_count($extendedFlags, "070403000000") > 0) {
+                ZLog::Write(LOGLEVEL_DEBUG, sprintf("MAPIProvider->GetFolder(): folder '%s' should not be synchronized", $folderprops[PR_DISPLAY_NAME]));
+                return false;
+            }
+        }
+
         $folder->serverid = bin2hex($folderprops[PR_SOURCE_KEY]);
         if($folderprops[PR_PARENT_ENTRYID] == $storeprops[PR_IPM_SUBTREE_ENTRYID])
             $folder->parentid = "0";