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-rw-r--r--program/include/rcube_mdb2.php16
-rw-r--r--program/include/session.inc16
2 files changed, 15 insertions, 17 deletions
diff --git a/program/include/rcube_mdb2.php b/program/include/rcube_mdb2.php
index 713ff4255..b1e5fff80 100644
--- a/program/include/rcube_mdb2.php
+++ b/program/include/rcube_mdb2.php
@@ -178,6 +178,17 @@ class rcube_mdb2
/**
+ * Connection state checker
+ *
+ * @param boolean True if in connected state
+ */
+ function is_connected()
+ {
+ return PEAR::isError($this->db_handle) ? false : true;
+ }
+
+
+ /**
* Execute a SQL query
*
* @param string SQL query to execute
@@ -187,6 +198,9 @@ class rcube_mdb2
*/
function query()
{
+ if (!$this->is_connected())
+ return NULL;
+
$params = func_get_args();
$query = array_shift($params);
@@ -360,7 +374,7 @@ class rcube_mdb2
*/
function _fetch_row($result, $mode)
{
- if ($result === FALSE || PEAR::isError($result))
+ if ($result === FALSE || PEAR::isError($result) || !$this->is_connected())
return FALSE;
return $result->fetchRow($mode);
diff --git a/program/include/session.inc b/program/include/session.inc
index 983d01587..d75b303b3 100644
--- a/program/include/session.inc
+++ b/program/include/session.inc
@@ -39,10 +39,6 @@ function rcube_sess_read($key)
$DB = rcmail::get_instance()->get_dbh();
- if ($DB->is_error()) {
- return false;
- }
-
$sql_result = $DB->query(
"SELECT vars, ip, " . $DB->unixtimestamp('changed') . " AS changed
FROM " . get_table_name('session') . "
@@ -66,10 +62,6 @@ function rcube_sess_write($key, $vars)
{
$DB = rcmail::get_instance()->get_dbh();
- if ($DB->is_error()) {
- return false;
- }
-
$sql_result = $DB->query(
"SELECT 1 FROM " . get_table_name('session') . "
WHERE sess_id=?",
@@ -105,10 +97,6 @@ function rcube_sess_destroy($key)
$rcmail = rcmail::get_instance();
$DB = $rcmail->get_dbh();
- if ($DB->is_error()) {
- return false;
- }
-
$DB->query("DELETE FROM " . get_table_name('session') . " WHERE sess_id=?", $key);
return true;
@@ -121,10 +109,6 @@ function rcube_sess_gc($maxlifetime)
$rcmail = rcmail::get_instance();
$DB = $rcmail->get_dbh();
- if ($DB->is_error()) {
- return false;
- }
-
// just delete all expired sessions
$DB->query("DELETE FROM " . get_table_name('session') . "
WHERE changed < " . $DB->fromunixtime(time() - $maxlifetime));