X-Git-Url: http://git.vanrenterghem.biz/www.vanrenterghem.biz.git/blobdiff_plain/4b1ce0d83844cfd7c55e75a60ccb239882cd62e3..83ab5456767602f2a9860a7db7247f002ec96945:/phpBB2_old/includes/sessions.php diff --git a/phpBB2_old/includes/sessions.php b/phpBB2_old/includes/sessions.php deleted file mode 100644 index 10a85fd..0000000 --- a/phpBB2_old/includes/sessions.php +++ /dev/null @@ -1,400 +0,0 @@ -sql_query($sql)) ) - { - message_die(CRITICAL_ERROR, 'Could not obtain lastvisit data from user table', '', __LINE__, __FILE__, $sql); - } - - $userdata = $db->sql_fetchrow($result); - - if ( $user_id != ANONYMOUS ) - { - $auto_login_key = $userdata['user_password']; - - if ( $auto_create ) - { - if ( isset($sessiondata['autologinid']) && $userdata['user_active'] ) - { - // We have to login automagically - if( $sessiondata['autologinid'] == $auto_login_key ) - { - // autologinid matches password - $login = 1; - $enable_autologin = 1; - } - else - { - // No match; don't login, set as anonymous user - $login = 0; - $enable_autologin = 0; - $user_id = $userdata['user_id'] = ANONYMOUS; - } - } - else - { - // Autologin is not set. Don't login, set as anonymous user - $login = 0; - $enable_autologin = 0; - $user_id = $userdata['user_id'] = ANONYMOUS; - } - } - else - { - $login = 1; - } - } - else - { - $login = 0; - $enable_autologin = 0; - } - - // - // Initial ban check against user id, IP and email address - // - preg_match('/(..)(..)(..)(..)/', $user_ip, $user_ip_parts); - - $sql = "SELECT ban_ip, ban_userid, ban_email - FROM " . BANLIST_TABLE . " - WHERE ban_ip IN ('" . $user_ip_parts[1] . $user_ip_parts[2] . $user_ip_parts[3] . $user_ip_parts[4] . "', '" . $user_ip_parts[1] . $user_ip_parts[2] . $user_ip_parts[3] . "ff', '" . $user_ip_parts[1] . $user_ip_parts[2] . "ffff', '" . $user_ip_parts[1] . "ffffff') - OR ban_userid = $user_id"; - if ( $user_id != ANONYMOUS ) - { - $sql .= " OR ban_email LIKE '" . str_replace("\'", "''", $userdata['user_email']) . "' - OR ban_email LIKE '" . substr(str_replace("\'", "''", $userdata['user_email']), strpos(str_replace("\'", "''", $userdata['user_email']), "@")) . "'"; - } - if ( !($result = $db->sql_query($sql)) ) - { - message_die(CRITICAL_ERROR, 'Could not obtain ban information', '', __LINE__, __FILE__, $sql); - } - - if ( $ban_info = $db->sql_fetchrow($result) ) - { - if ( $ban_info['ban_ip'] || $ban_info['ban_userid'] || $ban_info['ban_email'] ) - { - message_die(CRITICAL_MESSAGE, 'You_been_banned'); - } - } - - // - // 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 ( !$db->sql_query($sql) || !$db->sql_affectedrows() ) - { - $session_id = md5(uniqid($user_ip)); - - $sql = "INSERT INTO " . SESSIONS_TABLE . " - (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) - VALUES ('$session_id', $user_id, $current_time, $current_time, '$user_ip', $page_id, $login)"; - if ( !$db->sql_query($sql) ) - { - message_die(CRITICAL_ERROR, 'Error creating new session', '', __LINE__, __FILE__, $sql); - } - } - - if ( $user_id != ANONYMOUS ) - {// ( $userdata['user_session_time'] > $expiry_time && $auto_create ) ? $userdata['user_lastvisit'] : ( - $last_visit = ( $userdata['user_session_time'] > 0 ) ? $userdata['user_session_time'] : $current_time; - - $sql = "UPDATE " . USERS_TABLE . " - SET user_session_time = $current_time, user_session_page = $page_id, user_lastvisit = $last_visit - WHERE user_id = $user_id"; - if ( !$db->sql_query($sql) ) - { - message_die(CRITICAL_ERROR, 'Error updating last visit time', '', __LINE__, __FILE__, $sql); - } - - $userdata['user_lastvisit'] = $last_visit; - - $sessiondata['autologinid'] = ( $enable_autologin && $sessionmethod == SESSION_METHOD_COOKIE ) ? $auto_login_key : ''; - $sessiondata['userid'] = $user_id; - } - - $userdata['session_id'] = $session_id; - $userdata['session_ip'] = $user_ip; - $userdata['session_user_id'] = $user_id; - $userdata['session_logged_in'] = $login; - $userdata['session_page'] = $page_id; - $userdata['session_start'] = $current_time; - $userdata['session_time'] = $current_time; - - setcookie($cookiename . '_data', serialize($sessiondata), $current_time + 31536000, $cookiepath, $cookiedomain, $cookiesecure); - setcookie($cookiename . '_sid', $session_id, 0, $cookiepath, $cookiedomain, $cookiesecure); - - $SID = 'sid=' . $session_id; - - return $userdata; -} - -// -// Checks for a given user session, tidies session table and updates user -// sessions at each page refresh -// -function session_pagestart($user_ip, $thispage_id) -{ - global $db, $lang, $board_config; - global $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $SID; - - $cookiename = $board_config['cookie_name']; - $cookiepath = $board_config['cookie_path']; - $cookiedomain = $board_config['cookie_domain']; - $cookiesecure = $board_config['cookie_secure']; - - $current_time = time(); - unset($userdata); - - if ( isset($HTTP_COOKIE_VARS[$cookiename . '_sid']) || isset($HTTP_COOKIE_VARS[$cookiename . '_data']) ) - { - $sessiondata = isset( $HTTP_COOKIE_VARS[$cookiename . '_data'] ) ? unserialize(stripslashes($HTTP_COOKIE_VARS[$cookiename . '_data'])) : array(); - $session_id = isset( $HTTP_COOKIE_VARS[$cookiename . '_sid'] ) ? $HTTP_COOKIE_VARS[$cookiename . '_sid'] : ''; - $sessionmethod = SESSION_METHOD_COOKIE; - } - else - { - $sessiondata = array(); - $session_id = ( isset($HTTP_GET_VARS['sid']) ) ? $HTTP_GET_VARS['sid'] : ''; - $sessionmethod = SESSION_METHOD_GET; - } - - // - if (!preg_match('/^[A-Za-z0-9]*$/', $session_id)) - { - $session_id = ''; - } - - // - // Does a session exist? - // - if ( !empty($session_id) ) - { - // - // 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 ( !($result = $db->sql_query($sql)) ) - { - message_die(CRITICAL_ERROR, 'Error doing DB query userdata row fetch', '', __LINE__, __FILE__, $sql); - } - - $userdata = $db->sql_fetchrow($result); - - // - // Did the session exist in the DB? - // - if ( isset($userdata['user_id']) ) - { - // - // Do not check IP assuming equivalence, if IPv4 we'll check only first 24 - // bits ... I've been told (by vHiker) this should alleviate problems with - // load balanced et al proxies while retaining some reliance on IP security. - // - $ip_check_s = substr($userdata['session_ip'], 0, 6); - $ip_check_u = substr($user_ip, 0, 6); - - if ($ip_check_s == $ip_check_u) - { - $SID = ($sessionmethod == SESSION_METHOD_GET || defined('IN_ADMIN')) ? 'sid=' . $session_id : ''; - - // - // Only update session DB a minute or so after last update - // - if ( $current_time - $userdata['session_time'] > 60 ) - { - $sql = "UPDATE " . SESSIONS_TABLE . " - SET session_time = $current_time, session_page = $thispage_id - WHERE session_id = '" . $userdata['session_id'] . "'"; - if ( !$db->sql_query($sql) ) - { - message_die(CRITICAL_ERROR, 'Error updating sessions table', '', __LINE__, __FILE__, $sql); - } - - if ( $userdata['user_id'] != ANONYMOUS ) - { - $sql = "UPDATE " . USERS_TABLE . " - SET user_session_time = $current_time, user_session_page = $thispage_id - WHERE user_id = " . $userdata['user_id']; - if ( !$db->sql_query($sql) ) - { - message_die(CRITICAL_ERROR, 'Error updating sessions table', '', __LINE__, __FILE__, $sql); - } - } - - // - // Delete expired sessions - // - $expiry_time = $current_time - $board_config['session_length']; - $sql = "DELETE FROM " . SESSIONS_TABLE . " - WHERE session_time < $expiry_time - AND session_id <> '$session_id'"; - if ( !$db->sql_query($sql) ) - { - message_die(CRITICAL_ERROR, 'Error clearing sessions table', '', __LINE__, __FILE__, $sql); - } - - setcookie($cookiename . '_data', serialize($sessiondata), $current_time + 31536000, $cookiepath, $cookiedomain, $cookiesecure); - setcookie($cookiename . '_sid', $session_id, 0, $cookiepath, $cookiedomain, $cookiesecure); - } - - return $userdata; - } - } - } - - // - // If we reach here then no (valid) session exists. So we'll create a new one, - // using the cookie user_id if available to pull basic user prefs. - // - $user_id = ( isset($sessiondata['userid']) ) ? intval($sessiondata['userid']) : ANONYMOUS; - - if ( !($userdata = session_begin($user_id, $user_ip, $thispage_id, TRUE)) ) - { - message_die(CRITICAL_ERROR, 'Error creating user session', '', __LINE__, __FILE__, $sql); - } - - return $userdata; - -} - -// -// session_end closes out a session -// deleting the corresponding entry -// in the sessions table -// -function session_end($session_id, $user_id) -{ - global $db, $lang, $board_config; - global $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $SID; - - $cookiename = $board_config['cookie_name']; - $cookiepath = $board_config['cookie_path']; - $cookiedomain = $board_config['cookie_domain']; - $cookiesecure = $board_config['cookie_secure']; - - $current_time = time(); - - // - // Pull cookiedata or grab the URI propagated sid - // - if ( isset($HTTP_COOKIE_VARS[$cookiename . '_sid']) ) - { - $session_id = isset( $HTTP_COOKIE_VARS[$cookiename . '_sid'] ) ? $HTTP_COOKIE_VARS[$cookiename . '_sid'] : ''; - $sessionmethod = SESSION_METHOD_COOKIE; - } - else - { - $session_id = ( isset($HTTP_GET_VARS['sid']) ) ? $HTTP_GET_VARS['sid'] : ''; - $sessionmethod = SESSION_METHOD_GET; - } - - if (!preg_match('/^[A-Za-z0-9]*$/', $session_id)) - { - return; - } - - // - // Delete existing session - // - $sql = "DELETE FROM " . SESSIONS_TABLE . " - WHERE session_id = '$session_id' - AND session_user_id = $user_id"; - if ( !$db->sql_query($sql) ) - { - message_die(CRITICAL_ERROR, 'Error removing user session', '', __LINE__, __FILE__, $sql); - } - - setcookie($cookiename . '_data', '', $current_time - 31536000, $cookiepath, $cookiedomain, $cookiesecure); - setcookie($cookiename . '_sid', '', $current_time - 31536000, $cookiepath, $cookiedomain, $cookiesecure); - - return true; -} - -// -// Append $SID to a url. Borrowed from phplib and modified. This is an -// extra routine utilised by the session code above and acts as a wrapper -// around every single URL and form action. If you replace the session -// code you must include this routine, even if it's empty. -// -function append_sid($url, $non_html_amp = false) -{ - global $SID; - - if ( !empty($SID) && !preg_match('#sid=#', $url) ) - { - $url .= ( ( strpos($url, '?') != false ) ? ( ( $non_html_amp ) ? '&' : '&' ) : '?' ) . $SID; - } - - return $url; -} - -?> \ No newline at end of file