Modified or moded phpBB sessions.php with SID removal MOD

by Ricky on February 01, 2004, 07:52:12 AM
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Ricky
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Well.. Here I am posting the premodified sessions.php as requested by many people..

Kindly visit THE SID REMOVAL INFO for more detail
NOTE: The follwoing file only contains the follwoing mode which is the most effective and easiest mode for SID removal..
Code:
#


includes/sessions.php




$SID = 'sid=' . $session_id;




if ( $userdata['session_user_id'] != ANONYMOUS ){
   $SID = 'sid=' . $session_id;
} else {
   $SID = '';
}


Now moded file..
Code:
<?php
/***************************************************************************
 *                                sessions.php
 *                            -------------------
 *   begin                &#58; Saturday, Feb 13, 2001
 *   copyright            &#58; &#40;C&#41; 2001 The phpBB Group
 *   email                &#58; support@phpbb.com
 *
 *   $Id&#58; sessions.php,v 1.58.2.10 2003/04/05 12&#58;04&#58;33 acydburn Exp $
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   &#40;at your option&#41; any later version.
 *
 ***************************************************************************/

//
// Adds/updates a new session to the database for the given userid.
// Returns the new session ID on success.
//
function session_begin&#40;$user_id, $user_ip, $page_id, $auto_create = 0, $enable_autologin = 0&#41;
&#123;
	global $db, $board_config;
	global $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $SID;

	$cookiename = $board_config['cookie_name'&#93;;
	$cookiepath = $board_config['cookie_path'&#93;;
	$cookiedomain = $board_config['cookie_domain'&#93;;
	$cookiesecure = $board_config['cookie_secure'&#93;;

	if &#40; isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_sid'&#93;&#41; || isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_data'&#93;&#41; &#41;
	&#123;
		$session_id = isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_sid'&#93;&#41; ? $HTTP_COOKIE_VARS[$cookiename . '_sid'&#93; &#58; '';
		$sessiondata = isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_data'&#93;&#41; ? unserialize&#40;stripslashes&#40;$HTTP_COOKIE_VARS[$cookiename . '_data'&#93;&#41;&#41; &#58; array&#40;&#41;;
		$sessionmethod = SESSION_METHOD_COOKIE;
	&#125;
	else
	&#123;
		$sessiondata = array&#40;&#41;;
		$session_id = &#40; isset&#40;$HTTP_GET_VARS['sid'&#93;&#41; &#41; ? $HTTP_GET_VARS['sid'&#93; &#58; '';
		$sessionmethod = SESSION_METHOD_GET;
	&#125;

	$last_visit = 0;
	$current_time = time&#40;&#41;;
	$expiry_time = $current_time - $board_config['session_length'&#93;;

	//
	// Try and pull the last time stored in a cookie, if it exists
	//
	$sql = "SELECT * 
		FROM " . USERS_TABLE . " 
		WHERE user_id = $user_id";
	if &#40; !&#40;$result = $db->sql_query&#40;$sql&#41;&#41; &#41;
	&#123;
		message_die&#40;CRITICAL_ERROR, 'Could not obtain lastvisit data from user table', '', __LINE__, __FILE__, $sql&#41;;
	&#125;

	$userdata = $db->sql_fetchrow&#40;$result&#41;;

	if &#40; $user_id != ANONYMOUS &#41;
	&#123;
		$auto_login_key = $userdata['user_password'&#93;;

		if &#40; $auto_create &#41;
		&#123;
			if &#40; isset&#40;$sessiondata['autologinid'&#93;&#41; && $userdata['user_active'&#93; &#41;
			&#123;
				// We have to login automagically
				if&#40; $sessiondata['autologinid'&#93; == $auto_login_key &#41;
				&#123;
					// autologinid matches password
					$login = 1;
					$enable_autologin = 1;
				&#125;
				else
				&#123;
					// No match; don't login, set as anonymous user
					$login = 0; 
					$enable_autologin = 0; 
					$user_id = $userdata['user_id'&#93; = ANONYMOUS;
				&#125;
			&#125;
			else
			&#123;
				// Autologin is not set. Don't login, set as anonymous user
				$login = 0;
				$enable_autologin = 0;
				$user_id = $userdata['user_id'&#93; = ANONYMOUS;
			&#125;
		&#125;
		else
		&#123;
			$login = 1;
		&#125;
	&#125;
	else
	&#123;
		$login = 0;
		$enable_autologin = 0;
	&#125;

	//
	// Initial ban check against user id, IP and email address
	//
	preg_match&#40;'/&#40;..&#41;&#40;..&#41;&#40;..&#41;&#40;..&#41;/', $user_ip, $user_ip_parts&#41;;

	$sql = "SELECT ban_ip, ban_userid, ban_email 
		FROM " . BANLIST_TABLE . " 
		WHERE ban_ip IN &#40;'" . $user_ip_parts[1&#93; . $user_ip_parts[2&#93; . $user_ip_parts[3&#93; . $user_ip_parts[4&#93; . "', '" . $user_ip_parts[1&#93; . $user_ip_parts[2&#93; . $user_ip_parts[3&#93; . "ff', '" . $user_ip_parts[1&#93; . $user_ip_parts[2&#93; . "ffff', '" . $user_ip_parts[1&#93; . "ffffff'&#41;
			OR ban_userid = $user_id";
	if &#40; $user_id != ANONYMOUS &#41;
	&#123;
		$sql .= " OR ban_email LIKE '" . str_replace&#40;"\'", "''", $userdata['user_email'&#93;&#41; . "' 
			OR ban_email LIKE '" . substr&#40;str_replace&#40;"\'", "''", $userdata['user_email'&#93;&#41;, strpos&#40;str_replace&#40;"\'", "''", $userdata['user_email'&#93;&#41;, "@"&#41;&#41; . "'";
	&#125;
	if &#40; !&#40;$result = $db->sql_query&#40;$sql&#41;&#41; &#41;
	&#123;
		message_die&#40;CRITICAL_ERROR, 'Could not obtain ban information', '', __LINE__, __FILE__, $sql&#41;;
	&#125;

	if &#40; $ban_info = $db->sql_fetchrow&#40;$result&#41; &#41;
	&#123;
		if &#40; $ban_info['ban_ip'&#93; || $ban_info['ban_userid'&#93; || $ban_info['ban_email'&#93; &#41;
		&#123;
			message_die&#40;CRITICAL_MESSAGE, 'You_been_banned'&#41;;
		&#125;
	&#125;

	//
	// Create or update the session
	//
	$sql = "UPDATE " . SESSIONS_TABLE . "
		SET session_user_id = $user_id, session_start = $current_time, session_time = $current_time, session_page = $page_id, session_logged_in = $login
		WHERE session_id = '" . $session_id . "' 
			AND session_ip = '$user_ip'";
	if &#40; !$db->sql_query&#40;$sql&#41; || !$db->sql_affectedrows&#40;&#41; &#41;
	&#123;
		$session_id = md5&#40;uniqid&#40;$user_ip&#41;&#41;;

		$sql = "INSERT INTO " . SESSIONS_TABLE . "
			&#40;session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in&#41;
			VALUES &#40;'$session_id', $user_id, $current_time, $current_time, '$user_ip', $page_id, $login&#41;";
		if &#40; !$db->sql_query&#40;$sql&#41; &#41;
		&#123;
			message_die&#40;CRITICAL_ERROR, 'Error creating new session', '', __LINE__, __FILE__, $sql&#41;;
		&#125;
	&#125;

	if &#40; $user_id != ANONYMOUS &#41;
	&#123;// &#40; $userdata['user_session_time'&#93; > $expiry_time && $auto_create &#41; ? $userdata['user_lastvisit'&#93; &#58; &#40; 
		$last_visit = &#40; $userdata['user_session_time'&#93; > 0 &#41; ? $userdata['user_session_time'&#93; &#58; $current_time; 

		$sql = "UPDATE " . USERS_TABLE . " 
			SET user_session_time = $current_time, user_session_page = $page_id, user_lastvisit = $last_visit
			WHERE user_id = $user_id";
		if &#40; !$db->sql_query&#40;$sql&#41; &#41;
		&#123;
			message_die&#40;CRITICAL_ERROR, 'Error updating last visit time', '', __LINE__, __FILE__, $sql&#41;;
		&#125;

		$userdata['user_lastvisit'&#93; = $last_visit;

		$sessiondata['autologinid'&#93; = &#40; $enable_autologin && $sessionmethod == SESSION_METHOD_COOKIE &#41; ? $auto_login_key &#58; '';
		$sessiondata['userid'&#93; = $user_id;
	&#125;

	$userdata['session_id'&#93; = $session_id;
	$userdata['session_ip'&#93; = $user_ip;
	$userdata['session_user_id'&#93; = $user_id;
	$userdata['session_logged_in'&#93; = $login;
	$userdata['session_page'&#93; = $page_id;
	$userdata['session_start'&#93; = $current_time;
	$userdata['session_time'&#93; = $current_time;

	setcookie&#40;$cookiename . '_data', serialize&#40;$sessiondata&#41;, $current_time + 31536000, $cookiepath, $cookiedomain, $cookiesecure&#41;;
	setcookie&#40;$cookiename . '_sid', $session_id, 0, $cookiepath, $cookiedomain, $cookiesecure&#41;;

	if &#40; $userdata['session_user_id'&#93; != ANONYMOUS &#41;&#123; 
   $SID = 'sid=' . $session_id; 
&#125; else &#123; 
   $SID = ''; 
&#125; 

	return $userdata;
&#125;

//
// Checks for a given user session, tidies session table and updates user
// sessions at each page refresh
//
function session_pagestart&#40;$user_ip, $thispage_id&#41;
&#123;
	global $db, $lang, $board_config;
	global $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $SID;

	$cookiename = $board_config['cookie_name'&#93;;
	$cookiepath = $board_config['cookie_path'&#93;;
	$cookiedomain = $board_config['cookie_domain'&#93;;
	$cookiesecure = $board_config['cookie_secure'&#93;;

	$current_time = time&#40;&#41;;
	unset&#40;$userdata&#41;;

	if &#40; isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_sid'&#93;&#41; || isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_data'&#93;&#41; &#41;
	&#123;
		$sessiondata = isset&#40; $HTTP_COOKIE_VARS[$cookiename . '_data'&#93; &#41; ? unserialize&#40;stripslashes&#40;$HTTP_COOKIE_VARS[$cookiename . '_data'&#93;&#41;&#41; &#58; array&#40;&#41;;
		$session_id = isset&#40; $HTTP_COOKIE_VARS[$cookiename . '_sid'&#93; &#41; ? $HTTP_COOKIE_VARS[$cookiename . '_sid'&#93; &#58; '';
		$sessionmethod = SESSION_METHOD_COOKIE;
	&#125;
	else
	&#123;
		$sessiondata = array&#40;&#41;;
		$session_id = &#40; isset&#40;$HTTP_GET_VARS['sid'&#93;&#41; &#41; ? $HTTP_GET_VARS['sid'&#93; &#58; '';
		$sessionmethod = SESSION_METHOD_GET;
	&#125;
  $user_id = &#40; isset&#40;$sessiondata['userid'&#93;&#41; &#41; ? intval&#40;$sessiondata['userid'&#93;&#41; &#58; ANONYMOUS; 

    if&#40;$user_id != ANONYMOUS&#41; 
    &#123; 

	//
	// Does a session exist?
	//
	if &#40; !empty&#40;$session_id&#41; &#41;
	&#123;
		//
		// session_id exists so go ahead and attempt to grab all
		// data in preparation
		//
		$sql = "SELECT u.*, s.*
			FROM " . SESSIONS_TABLE . " s, " . USERS_TABLE . " u
			WHERE s.session_id = '$session_id'
				AND u.user_id = s.session_user_id";
		if &#40; !&#40;$result = $db->sql_query&#40;$sql&#41;&#41; &#41;
		&#123;
			message_die&#40;CRITICAL_ERROR, 'Error doing DB query userdata row fetch', '', __LINE__, __FILE__, $sql&#41;;
		&#125;

		$userdata = $db->sql_fetchrow&#40;$result&#41;;

		//
		// Did the session exist in the DB?
		//
		if &#40; isset&#40;$userdata['user_id'&#93;&#41; &#41;
		&#123;
			//
			// Do not check IP assuming equivalence, if IPv4 we'll check only first 24
			// bits ... I've been told &#40;by vHiker&#41; this should alleviate problems with 
			// load balanced et al proxies while retaining some reliance on IP security.
			//
			$ip_check_s = substr&#40;$userdata['session_ip'&#93;, 0, 6&#41;;
			$ip_check_u = substr&#40;$user_ip, 0, 6&#41;;

			if &#40;$ip_check_s == $ip_check_u&#41;
			&#123;
				$SID = &#40;$sessionmethod == SESSION_METHOD_GET || defined&#40;'IN_ADMIN'&#41;&#41; ? 'sid=' . $session_id &#58; '';

				//
				// Only update session DB a minute or so after last update
				//
				if &#40; $current_time - $userdata['session_time'&#93; > 60 &#41;
				&#123;
					$sql = "UPDATE " . SESSIONS_TABLE . " 
						SET session_time = $current_time, session_page = $thispage_id 
						WHERE session_id = '" . $userdata['session_id'&#93; . "'";
					if &#40; !$db->sql_query&#40;$sql&#41; &#41;
					&#123;
						message_die&#40;CRITICAL_ERROR, 'Error updating sessions table', '', __LINE__, __FILE__, $sql&#41;;
					&#125;

					if &#40; $userdata['user_id'&#93; != ANONYMOUS &#41;
					&#123;
						$sql = "UPDATE " . USERS_TABLE . " 
							SET user_session_time = $current_time, user_session_page = $thispage_id 
							WHERE user_id = " . $userdata['user_id'&#93;;
						if &#40; !$db->sql_query&#40;$sql&#41; &#41;
						&#123;
							message_die&#40;CRITICAL_ERROR, 'Error updating sessions table', '', __LINE__, __FILE__, $sql&#41;;
						&#125;
					&#125;

					//
					// Delete expired sessions
					//
					$expiry_time = $current_time - $board_config['session_length'&#93;;
					$sql = "DELETE FROM " . SESSIONS_TABLE . " 
						WHERE session_time < $expiry_time 
							AND session_id <> '$session_id'";
					if &#40; !$db->sql_query&#40;$sql&#41; &#41;
					&#123;
						message_die&#40;CRITICAL_ERROR, 'Error clearing sessions table', '', __LINE__, __FILE__, $sql&#41;;
					&#125;

					setcookie&#40;$cookiename . '_data', serialize&#40;$sessiondata&#41;, $current_time + 31536000, $cookiepath, $cookiedomain, $cookiesecure&#41;;
					setcookie&#40;$cookiename . '_sid', $session_id, 0, $cookiepath, $cookiedomain, $cookiesecure&#41;;
				&#125;

				return $userdata;
  &#125; 
    else 
    &#123; 
       $userdata['session_id'&#93; = ''; 
       $userdata['session_ip'&#93; = ''; 
       $userdata['session_user_id'&#93; = $user_id; 
       $userdata['session_logged_in'&#93; = 0; 
       $userdata['session_page'&#93; = ''; 
       $userdata['session_start'&#93; = ''; 
       $userdata['session_time'&#93; = ''; 

    &#125; 
			&#125;
		&#125;
	&#125;

	//
	// If we reach here then no &#40;valid&#41; session exists. So we'll create a new one,
	// using the cookie user_id if available to pull basic user prefs.
	//
	

	if &#40; !&#40;$userdata = session_begin&#40;$user_id, $user_ip, $thispage_id, TRUE&#41;&#41; &#41;
	&#123;
		message_die&#40;CRITICAL_ERROR, 'Error creating user session', '', __LINE__, __FILE__, $sql&#41;;
	&#125;

	return $userdata;

&#125;

//
// session_end closes out a session
// deleting the corresponding entry
// in the sessions table
//
function session_end&#40;$session_id, $user_id&#41;
&#123;
	global $db, $lang, $board_config;
	global $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $SID;

	$cookiename = $board_config['cookie_name'&#93;;
	$cookiepath = $board_config['cookie_path'&#93;;
	$cookiedomain = $board_config['cookie_domain'&#93;;
	$cookiesecure = $board_config['cookie_secure'&#93;;

	$current_time = time&#40;&#41;;

	//
	// Pull cookiedata or grab the URI propagated sid
	//
	if &#40; isset&#40;$HTTP_COOKIE_VARS[$cookiename . '_sid'&#93;&#41; &#41;
	&#123;
		$session_id = isset&#40; $HTTP_COOKIE_VARS[$cookiename . '_sid'&#93; &#41; ? $HTTP_COOKIE_VARS[$cookiename . '_sid'&#93; &#58; '';
		$sessionmethod = SESSION_METHOD_COOKIE;
	&#125;
	else
	&#123;
		$session_id = &#40; isset&#40;$HTTP_GET_VARS['sid'&#93;&#41; &#41; ? $HTTP_GET_VARS['sid'&#93; &#58; '';
		$sessionmethod = SESSION_METHOD_GET;
	&#125;
  if&#40;isset&#40;$session_id&#41;&#41; 
    &#123; 

	//
	// Delete existing session
	//
	$sql = "DELETE FROM " . SESSIONS_TABLE . " 
		WHERE session_id = '$session_id' 
			AND session_user_id = $user_id";
	if &#40; !$db->sql_query&#40;$sql&#41; &#41;
	&#123;
		message_die&#40;CRITICAL_ERROR, 'Error removing user session', '', __LINE__, __FILE__, $sql&#41;;
	&#125;

	setcookie&#40;$cookiename . '_data', '', $current_time - 31536000, $cookiepath, $cookiedomain, $cookiesecure&#41;;
	setcookie&#40;$cookiename . '_sid', '', $current_time - 31536000, $cookiepath, $cookiedomain, $cookiesecure&#41;;
        &#125;
	return true;
&#125;

//
// Append $SID to a url. Borrowed from phplib and modified. This is an
// extra routine utilised by the session code above and acts as a wrapper
// around every single URL and form action. If you replace the session
// code you must include this routine, even if it's empty.
//
function append_sid&#40;$url, $non_html_amp = false&#41;
&#123;
	global $SID;

	if &#40; !empty&#40;$SID&#41; && !preg_match&#40;'#sid=#', $url&#41; &#41;
	&#123;
		$url .= &#40; &#40; strpos&#40;$url, '?'&#41; != false &#41; ?  &#40; &#40; $non_html_amp &#41; ? '&' &#58; '&amp;' &#41; &#58; '?' &#41; . $SID;
	&#125;

	return $url;
&#125;

?>

Just replace this with your existing includes/sessions.php and you are fine..
Logged
christuser
Guest
«Reply #1 on: April 18, 2004, 11:25:52 AM »
Thanks for the Mod (the sessions.php) bit i have a problem, after i added this mod, the last visit (in the memberlists.php output) is empty. (There is the word "never", but i need a date).

Any Idea?

Kind Regards Adrian
Logged
Ricky
Yoindian Shayar
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Gender: Male
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4 days, 3 hours and 56 minutes.

Posts: 2455
Member Since: Dec 2003


View Profile
«Reply #2 on: April 19, 2004, 06:54:39 AM »
Well. may be you are using a mod.. ie. last visit is not over here in this forum in the member list..
Logged
christuser
Guest
«Reply #3 on: April 19, 2004, 07:35:26 AM »
Yes, i found the error, it was really a mod... and the bad thing was: Google indexed all what i want, but the users with IE partially didn't see the site.
Know it works!
Thanks for the great mod
Logged
SeanIM
Guest
«Reply #4 on: May 25, 2005, 06:27:35 PM »
Hi there, I've done the sessions mod, and the mod_rewrite mod, everything looks good, with ONE exception sad5

I can't log into my admin panel now, it lets me type in admin/pass over and over, and I know it's right as I had it reset and send me a new pass, but I still cant' get in sad5

Any suggestions or help in fixing this would be greatly appreciated. Usual Smile

.
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SeanIM
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«Reply #5 on: June 07, 2005, 07:58:19 AM »
Quote from: "SeanIM"
Hi there, I've done the sessions mod, and the mod_rewrite mod, everything looks good, with ONE exception sad5

I can't log into my admin panel now, it lets me type in admin/pass over and over, and I know it's right as I had it reset and send me a new pass, but I still cant' get in sad5

Any suggestions or help in fixing this would be greatly appreciated. Usual Smile

.


anyone?Huh??
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