Start work on returning CalDAV published calendars

1 files changed, 28 insertions, 0 deletions

diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php
index 8c651251106..b1d85e09808 100644
--- a/apps/dav/lib/CalDAV/CalDavBackend.php
+++ b/apps/dav/lib/CalDAV/CalDavBackend.php
@@ -1514,6 +1514,34 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	}
 
 	/**
+	 * @param string $token
+	 * @param string secret
+	 * @return int | boolean
+	 *
+	 * Function to get the ressource we're insteressed in. Most probably to put somewhere else.
+	 */
+	public function getResourceIdFromToken($token, $secret) {
+		$query = $this->db->getQueryBuilder();
+ 		$result = $query->select('resourceid')
+ 			->from('dav_shares')
+ 			->where($query->expr()->eq('access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
+ 			->execute();
+
+		$publications = [];
+		while($row = $result->fetch()) {
+			$publications[] = $row['resourceid'];
+		}
+
+		$i = 0;
+		$found = false;
+		while ($i < count($publications) && !$found) {
+			$found = md5($secret.$publications[$i]) === $token;
+			if (!$found) $i++;
+		}
+		return ($found) ? $publications[$i] : false;
+	 }
+
+	/**
 	 * @param int $resourceId
 	 * @param array $acl
 	 * @return array