X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fsession.php;h=8f9d64606c00b3dda205e4e85badcca6316f8571;hb=b9da831138667700d465f15ad50df650ab4da427;hp=6632b7e89a06be014a37dd953eaa51b70eddedae;hpb=77a54c66be1186bb36422104233d207e3f8091f1;p=friendica.git

diff --git a/include/session.php b/include/session.php
index 6632b7e89a..8f9d64606c 100644
--- a/include/session.php
+++ b/include/session.php
@@ -8,62 +8,68 @@ $session_expire = 180000;
 
 if(! function_exists('ref_session_open')) {
 function ref_session_open ($s,$n) {
-  return true;
+	return true;
 }}
 
 if(! function_exists('ref_session_read')) {
 function ref_session_read ($id) {
-  global $session_exists;
-  if(x($id))
-    $r = q("SELECT `data` FROM `session` WHERE `sid`= '%s'", dbesc($id));
-  if(count($r)) {
-    $session_exists = true;
-    return $r[0]['data'];
-  } else {
-    logger("no data for session $id", LOGGER_TRACE);
-  }
-  return '';
+	global $session_exists;
+	if(x($id))
+		$r = q("SELECT `data` FROM `session` WHERE `sid`= '%s'", dbesc($id));
+
+	if(count($r)) {
+		$session_exists = true;
+		return $r[0]['data'];
+	} else {
+		logger("no data for session $id", LOGGER_TRACE);
+	}
+	return '';
 }}
 
 if(! function_exists('ref_session_write')) {
 function ref_session_write ($id,$data) {
-  global $session_exists, $session_expire;
-  if(! $id || ! $data) {
-    return false;
-  }
-
-  $expire = time() + $session_expire;
-  $default_expire = time() + 300;
-
-  if($session_exists)
-    $r = q("UPDATE `session`
-            SET `data` = '%s', `expire` = '%s'
-            WHERE `sid` = '%s'",
-            dbesc($data), dbesc($expire), dbesc($id));
-  else
-    $r = q("INSERT INTO `session`
-            SET `sid` = '%s', `expire` = '%s', `data` = '%s'",
-            dbesc($id), dbesc($default_expire), dbesc($data));
-
-  return true;
+	global $session_exists, $session_expire;
+
+	if(! $id || ! $data) {
+		return false;
+	}
+
+	$expire = time() + $session_expire;
+	$default_expire = time() + 300;
+
+	if($session_exists) {
+		$r = q("UPDATE `session`
+				SET `data` = '%s'
+				WHERE `data` != '%s' AND `sid` = '%s'",
+				dbesc($data), dbesc($data), dbesc($id));
+
+		$r = q("UPDATE `session`
+				SET `expire` = '%s'
+				WHERE `expire` != '%s' AND `sid` = '%s'",
+				dbesc($expire), dbesc($expire), dbesc($id));
+	} else
+		$r = q("INSERT INTO `session`
+				SET `sid` = '%s', `expire` = '%s', `data` = '%s'",
+				dbesc($id), dbesc($default_expire), dbesc($data));
+
+	return true;
 }}
 
 if(! function_exists('ref_session_close')) {
 function ref_session_close() {
-  return true;
+	return true;
 }}
 
 if(! function_exists('ref_session_destroy')) {
 function ref_session_destroy ($id) {
-  q("DELETE FROM `session` WHERE `sid` = '%s'", dbesc($id));
-  return true;
+	q("DELETE FROM `session` WHERE `sid` = '%s'", dbesc($id));
+	return true;
 }}
 
 if(! function_exists('ref_session_gc')) {
 function ref_session_gc($expire) {
-  q("DELETE FROM `session` WHERE `expire` < %d", dbesc(time()));
-  q("OPTIMIZE TABLE `sess_data`");
-  return true;
+	q("DELETE FROM `session` WHERE `expire` < %d", dbesc(time()));
+	return true;
 }}
 
 $gc_probability = 50;
@@ -72,7 +78,7 @@ ini_set('session.gc_probability', $gc_probability);
 ini_set('session.use_only_cookies', 1);
 ini_set('session.cookie_httponly', 1);
 
-
-session_set_save_handler ('ref_session_open', 'ref_session_close',
-                            'ref_session_read', 'ref_session_write',
-                            'ref_session_destroy', 'ref_session_gc');
+if (!get_config('system', 'disable_database_session'))
+	session_set_save_handler('ref_session_open', 'ref_session_close',
+				'ref_session_read', 'ref_session_write',
+				'ref_session_destroy', 'ref_session_gc');