composer libs minor version updates

5 files changed, 50 insertions, 22 deletions

diff --git a/vendor/sabre/dav/lib/CalDAV/Backend/PDO.php b/vendor/sabre/dav/lib/CalDAV/Backend/PDO.php
index 0d5df3968..2f48ab982 100644
--- a/vendor/sabre/dav/lib/CalDAV/Backend/PDO.php
+++ b/vendor/sabre/dav/lib/CalDAV/Backend/PDO.php
@@ -948,42 +948,46 @@ SQL;
         }
         list($calendarId, $instanceId) = $calendarId;
 
-        // Current synctoken
-        $stmt = $this->pdo->prepare('SELECT synctoken FROM '.$this->calendarTableName.' WHERE id = ?');
-        $stmt->execute([$calendarId]);
-        $currentToken = $stmt->fetchColumn(0);
-
-        if (is_null($currentToken)) {
-            return null;
-        }
-
         $result = [
-            'syncToken' => $currentToken,
             'added' => [],
             'modified' => [],
             'deleted' => [],
         ];
 
         if ($syncToken) {
-            $query = 'SELECT uri, operation FROM '.$this->calendarChangesTableName.' WHERE synctoken >= ? AND synctoken < ? AND calendarid = ? ORDER BY synctoken';
+            $query = 'SELECT uri, operation, synctoken FROM '.$this->calendarChangesTableName.' WHERE synctoken >= ?  AND calendarid = ? ORDER BY synctoken';
             if ($limit > 0) {
-                $query .= ' LIMIT '.(int) $limit;
+                // Fetch one more raw to detect result truncation
+                $query .= ' LIMIT '.((int) $limit + 1);
             }
 
             // Fetching all changes
             $stmt = $this->pdo->prepare($query);
-            $stmt->execute([$syncToken, $currentToken, $calendarId]);
+            $stmt->execute([$syncToken, $calendarId]);
 
             $changes = [];
 
             // This loop ensures that any duplicates are overwritten, only the
             // last change on a node is relevant.
             while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-                $changes[$row['uri']] = $row['operation'];
+                $changes[$row['uri']] = $row;
             }
+            $currentToken = null;
 
+            $result_count = 0;
             foreach ($changes as $uri => $operation) {
-                switch ($operation) {
+                if (!is_null($limit) && $result_count >= $limit) {
+                    $result['result_truncated'] = true;
+                    break;
+                }
+
+                if (null === $currentToken || $currentToken < $operation['synctoken'] + 1) {
+                    // SyncToken in CalDAV perspective is consistently the next number of the last synced change event in this class.
+                    $currentToken = $operation['synctoken'] + 1;
+                }
+
+                ++$result_count;
+                switch ($operation['operation']) {
                     case 1:
                         $result['added'][] = $uri;
                         break;
@@ -995,7 +999,24 @@ SQL;
                         break;
                 }
             }
+
+            if (!is_null($currentToken)) {
+                $result['syncToken'] = $currentToken;
+            } else {
+                // This means returned value is equivalent to syncToken
+                $result['syncToken'] = $syncToken;
+            }
         } else {
+            // Current synctoken
+            $stmt = $this->pdo->prepare('SELECT synctoken FROM '.$this->calendarTableName.' WHERE id = ?');
+            $stmt->execute([$calendarId]);
+            $currentToken = $stmt->fetchColumn(0);
+
+            if (is_null($currentToken)) {
+                return null;
+            }
+            $result['syncToken'] = $currentToken;
+
             // No synctoken supplied, this is the initial sync.
             $query = 'SELECT uri FROM '.$this->calendarObjectTableName.' WHERE calendarid = ?';
             $stmt = $this->pdo->prepare($query);
diff --git a/vendor/sabre/dav/lib/CalDAV/Calendar.php b/vendor/sabre/dav/lib/CalDAV/Calendar.php
index 9f32e702a..6e989314d 100644
--- a/vendor/sabre/dav/lib/CalDAV/Calendar.php
+++ b/vendor/sabre/dav/lib/CalDAV/Calendar.php
@@ -396,7 +396,8 @@ class Calendar implements ICalendar, DAV\IProperties, DAV\Sync\ISyncCollection,
      *   'deleted' => [
      *      'foo.php.bak',
      *      'old.txt'
-     *   ]
+     *   ],
+     *   'result_truncated' : true
      * ];
      *
      * The syncToken property should reflect the *current* syncToken of the
@@ -406,6 +407,9 @@ class Calendar implements ICalendar, DAV\IProperties, DAV\Sync\ISyncCollection,
      * If the syncToken is specified as null, this is an initial sync, and all
      * members should be reported.
      *
+     * If result is truncated due to server limitation or limit by client,
+     * set result_truncated to true, otherwise set to false or do not add the key.
+     *
      * The modified property is an array of nodenames that have changed since
      * the last token.
      *
@@ -422,12 +426,17 @@ class Calendar implements ICalendar, DAV\IProperties, DAV\Sync\ISyncCollection,
      * should be treated as infinite.
      *
      * If the limit (infinite or not) is higher than you're willing to return,
-     * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
+     * the result should be truncated to fit the limit.
+     * Note that even when the result is truncated, syncToken must be consistent
+     * with the truncated result, not the result before truncation.
+     * (See RFC6578 Section 3.6 for detail)
      *
      * If the syncToken is expired (due to data cleanup) or unknown, you must
      * return null.
      *
      * The limit is 'suggestive'. You are free to ignore it.
+     * TODO: RFC6578 Setion 3.7 says that the server must fail when the server
+     * cannot truncate according to the limit, so it may not be just suggestive.
      *
      * @param string $syncToken
      * @param int    $syncLevel
diff --git a/vendor/sabre/dav/lib/CalDAV/Plugin.php b/vendor/sabre/dav/lib/CalDAV/Plugin.php
index da172049e..98f4f554c 100644
--- a/vendor/sabre/dav/lib/CalDAV/Plugin.php
+++ b/vendor/sabre/dav/lib/CalDAV/Plugin.php
@@ -243,7 +243,7 @@ class Plugin extends DAV\ServerPlugin
      * @param mixed  $report
      * @param mixed  $path
      *
-     * @return bool
+     * @return bool|null
      */
     public function report($reportName, $report, $path)
     {
diff --git a/vendor/sabre/dav/lib/CalDAV/Schedule/Plugin.php b/vendor/sabre/dav/lib/CalDAV/Schedule/Plugin.php
index 38a7ca96f..3cc360f1d 100644
--- a/vendor/sabre/dav/lib/CalDAV/Schedule/Plugin.php
+++ b/vendor/sabre/dav/lib/CalDAV/Schedule/Plugin.php
@@ -735,9 +735,7 @@ class Plugin extends ServerPlugin
 
     /**
      * This method is responsible for parsing a free-busy query request and
-     * returning it's result.
-     *
-     * @return string
+     * returning its result in $response.
      */
     protected function handleFreeBusyRequest(IOutbox $outbox, VObject\Component $vObject, RequestInterface $request, ResponseInterface $response)
     {
diff --git a/vendor/sabre/dav/lib/CalDAV/Subscriptions/Subscription.php b/vendor/sabre/dav/lib/CalDAV/Subscriptions/Subscription.php
index 3be1b609e..8d56e6441 100644
--- a/vendor/sabre/dav/lib/CalDAV/Subscriptions/Subscription.php
+++ b/vendor/sabre/dav/lib/CalDAV/Subscriptions/Subscription.php
@@ -75,7 +75,7 @@ class Subscription extends Collection implements ISubscription, IACL
     /**
      * Returns the last modification time.
      *
-     * @return int
+     * @return int|null
      */
     public function getLastModified()
     {