ZP-1196 Catch MAPI_E_INVALID_PARAMETER when a group can not be opened

from the addressbook.

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

tools/gab-sync/lib/kopano.php

@@ -371,7 +371,12 @@ class Kopano extends SyncWorker {
             // is this a group?
             if (array_key_exists($entry[PR_ACCOUNT], $groups)) {
                 $a->type = GABEntry::GROUP;
-                $groupentry = mapi_ab_openentry($addrbook, $entry[PR_ENTRYID]);
+                $groupentry = @mapi_ab_openentry($addrbook, $entry[PR_ENTRYID]);
+                // some groups can not be opened - ZP-1196
+                if (mapi_last_hresult() == MAPI_E_INVALID_PARAMETER) {
+                    $this->Log(sprintf("Kopano->GetGAB(): Ignoring group '%s' as it can not be opened.\n", $entry[PR_ACCOUNT]));
+                    continue;
+                }
                 $grouptable = mapi_folder_getcontentstable($groupentry, MAPI_DEFERRED_ERRORS);
                 $users = mapi_table_queryallrows($grouptable, array(PR_ENTRYID, PR_ACCOUNT, PR_SMTP_ADDRESS));