From 124b17dcf44d6a9aac34b28ee455bd46738cb4ee Mon Sep 17 00:00:00 2001
From: Klaus Weidenbach <Klaus.Weidenbach@gmx.net>
Date: Fri, 13 Mar 2015 00:16:19 +0100
Subject: Some cleanups.

Fixed dbesc_identifier(), but it is not used yet.
Corrected some other variable names and variable initialization before
using them.
---
 include/session.php | 115 ++++++++++++++++++++++++++++++++--------------------
 1 file changed, 71 insertions(+), 44 deletions(-)

(limited to 'include/session.php')

diff --git a/include/session.php b/include/session.php
index 0e2adb77d..31b3f0614 100644
--- a/include/session.php
+++ b/include/session.php
@@ -1,21 +1,29 @@
-<?php /** @file */
-
-// Session management functions. These provide database storage of PHP
-// session info.
+<?php
+/**
+ * @file include/session.php
+ *
+ * @brief This file includes session related functions.
+ *
+ * Session management functions. These provide database storage of PHP
+ * session info.
+ */
 
 $session_exists = 0;
 $session_expire = 180000;
 
 function new_cookie($time) {
-    $old_sid = session_id();
+	$old_sid = session_id();
 
 // ??? This shouldn't have any effect if called after session_start()
 // We probably need to set the session expiration and change the PHPSESSID cookie.
 
-    session_set_cookie_params($time);
-    session_regenerate_id(false);
+	session_set_cookie_params($time);
+	session_regenerate_id(false);
 
-    q("UPDATE session SET sid = '%s' WHERE sid = '%s'", dbesc(session_id()), dbesc($old_sid));
+	q("UPDATE session SET sid = '%s' WHERE sid = '%s'",
+			dbesc(session_id()),
+			dbesc($old_sid)
+	);
 
 	if (x($_COOKIE, 'jsAvailable')) {
 		if ($time) {
@@ -28,62 +36,72 @@ function new_cookie($time) {
 }
 
 
-function ref_session_open ($s,$n) {
-  return true;
+function ref_session_open ($s, $n) {
+	return true;
 }
 
 
 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'];
-  }
-  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'];
+	}
+
+	return '';
 }
 
 
-function ref_session_write ($id,$data) {
-  global $session_exists, $session_expire;
-  if(! $id || ! $data) { 
-    return false; 
-  }
+function ref_session_write ($id, $data) {
+	global $session_exists, $session_expire;
 
-  $expire = time() + $session_expire;
-  $default_expire = time() + 300;
+	if(! $id || ! $data) {
+		return false;
+	}
 
-  if($session_exists)
-    $r = q("UPDATE `session` 
-            SET `data` = '%s', `expire` = '%s' 
-            WHERE `sid` = '%s'", 
-            dbesc($data), dbesc($expire), dbesc($id));
-  else
-    $r = q("INSERT INTO `session` (sid, expire, data) values ('%s', '%s', '%s')",
-            //SET `sid` = '%s', `expire` = '%s', `data` = '%s'",
-            dbesc($id), dbesc($default_expire), dbesc($data));
+	$expire = time() + $session_expire;
+	$default_expire = time() + 300;
+
+	if($session_exists) {
+		q("UPDATE `session`
+				SET `data` = '%s', `expire` = '%s' WHERE `sid` = '%s'",
+				dbesc($data),
+				dbesc($expire),
+				dbesc($id)
+		);
+	} else {
+		q("INSERT INTO `session` (sid, expire, data) values ('%s', '%s', '%s')",
+				//SET `sid` = '%s', `expire` = '%s', `data` = '%s'",
+				dbesc($id),
+				dbesc($default_expire),
+				dbesc($data)
+		);
+	}
 
-  return true;
+	return true;
 }
 
 
 function ref_session_close() {
-  return true;
+	return true;
 }
 
 
 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;
 }
 
 
 function ref_session_gc($expire) {
-  q("DELETE FROM session WHERE expire < %d", dbesc(time()));
-    if (! get_config('system','innodb'))
-	db_optimizetable('session');
-    return true;
+	q("DELETE FROM session WHERE expire < %d", dbesc(time()));
+	if (! get_config('system', 'innodb'))
+		db_optimizetable('session');
+
+	return true;
 }
 
 $gc_probability = 50;
@@ -92,5 +110,14 @@ 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');
+/*
+ * PHP function which sets our user-level session storage functions.
+ */
+session_set_save_handler(
+		'ref_session_open',
+		'ref_session_close',
+		'ref_session_read',
+		'ref_session_write',
+		'ref_session_destroy',
+		'ref_session_gc'
+);
\ No newline at end of file
-- 
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