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-rw-r--r--program/include/session.inc87
1 files changed, 38 insertions, 49 deletions
diff --git a/program/include/session.inc b/program/include/session.inc
index ca2b0b4ce..ccca0a920 100644
--- a/program/include/session.inc
+++ b/program/include/session.inc
@@ -38,11 +38,10 @@ function sess_read($key)
{
global $DB, $SESS_CHANGED;
- $sql_result = $DB->query(sprintf("SELECT vars, ip, UNIX_TIMESTAMP(changed) AS changed
- FROM %s
- WHERE sess_id='%s'",
- get_table_name('session'),
- $key));
+ $sql_result = $DB->query("SELECT vars, ip, ".$DB->unixtimestamp('changed')." AS changed
+ FROM ".get_table_name('session')."
+ WHERE sess_id=?",
+ $key);
if ($sql_arr = $DB->fetch_assoc($sql_result))
{
@@ -61,32 +60,29 @@ function sess_write($key, $vars)
{
global $DB;
- $sql_result = $DB->query(sprintf("SELECT 1
- FROM %s
- WHERE sess_id='%s'",
- get_table_name('session'),
- $key));
+ $sql_result = $DB->query("SELECT 1
+ FROM ".get_table_name('session')."
+ WHERE sess_id=?",
+ $key);
if ($DB->num_rows($sql_result))
{
session_decode($vars);
- $DB->query(sprintf("UPDATE %s
- SET vars='%s',
- changed=NOW()
- WHERE sess_id='%s'",
- get_table_name('session'),
- $vars,
- $key));
+ $DB->query("UPDATE ".get_table_name('session')."
+ SET vars=?,
+ changed=NOW()
+ WHERE sess_id=?",
+ $vars,
+ $key);
}
else
{
- $DB->query(sprintf("INSERT INTO %s
- (sess_id, vars, ip, created, changed)
- VALUES ('%s', '%s', '%s', NOW(), NOW())",
- get_table_name('session'),
- $key,
- $vars,
- $_SERVER['REMOTE_ADDR']));
+ $DB->query("INSERT INTO ".get_table_name('session')."
+ (sess_id, vars, ip, created, changed)
+ VALUES (?, ?, ?, NOW(), NOW())",
+ $key,
+ $vars,
+ $_SERVER['REMOTE_ADDR']);
}
return TRUE;
@@ -98,16 +94,14 @@ function sess_destroy($key)
{
global $DB;
- $DB->query(sprintf("DELETE FROM %s
- WHERE sess_id='%s'",
- get_table_name('session'),
- $key));
-
- // also delete session entries in cache table
- $DB->query(sprintf("DELETE FROM %s
- WHERE session_id='%s'",
- get_table_name('cache'),
- $key));
+ // delete session entries in cache table
+ $DB->query("DELETE FROM ".get_table_name('cache')."
+ WHERE session_id=?",
+ $key);
+
+ $DB->query("DELETE FROM ".get_table_name('session')."
+ WHERE sess_id=?",
+ $key);
return TRUE;
}
@@ -119,11 +113,10 @@ function sess_gc($maxlifetime)
global $DB;
// get all expired sessions
- $sql_result = $DB->query(sprintf("SELECT sess_id
- FROM %s
- WHERE UNIX_TIMESTAMP(NOW())-UNIX_TIMESTAMP(created) > %d",
- get_table_name('session'),
- $maxlifetime));
+ $sql_result = $DB->query("SELECT sess_id
+ FROM ".get_table_name('session')."
+ WHERE ".$DB->unixtimestamp('NOW()')."-".$DB->unixtimestamp('created')." > ?",
+ $maxlifetime);
$a_exp_sessions = array();
while ($sql_arr = $DB->fetch_assoc($sql_result))
@@ -132,17 +125,13 @@ function sess_gc($maxlifetime)
if (sizeof($a_exp_sessions))
{
+ // delete session cache records
+ $DB->query("DELETE FROM ".get_table_name('cache')."
+ WHERE session_id IN ('".join("','", $a_exp_sessions)."')");
+
// delete session records
- $DB->query(sprintf("DELETE FROM %s
- WHERE sess_id IN ('%s')",
- get_table_name('session'),
- join("','", $a_exp_sessions)));
-
- // also delete session cache records
- $DB->query(sprintf("DELETE FROM %s
- WHERE session_id IN ('%s')",
- get_table_name('cache'),
- join("','", $a_exp_sessions)));
+ $DB->query("DELETE FROM ".get_table_name('session')."
+ WHERE sess_id IN ('".join("','", $a_exp_sessions)."')");
}
return TRUE;