/**
* prefs.php
*
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This contains functions for manipulating user preferences
*
* $Id$
+ * @package squirrelmail
*/
-global $prefs_are_cached, $prefs_cache;
+/** Include global.php */
+require_once(SM_PATH . 'functions/global.php');
-if ( !session_is_registered('prefs_are_cached') ||
+sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION );
+sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION );
+
+$rg = ini_get('register_globals');
+
+/* if php version >= 4.1 OR (4.0 AND $rg = off) */
+if ( !sqsession_is_registered('prefs_are_cached') ||
!isset( $prefs_cache) ||
!is_array( $prefs_cache) ||
- substr( phpversion(), 0, 3 ) == '4.1' ||
- substr( phpversion(), 0, 3 ) == '4.2' ) {
+ check_php_version(4,1) ||
+ empty($rg)
+ ) {
$prefs_are_cached = false;
$prefs_cache = array();
}
/* Hashing functions */
+/**
+ * Given a username and datafilename, this will return the path to the
+ * hashed location of that datafile.
+ *
+ * @param string username the username of the current user
+ * @param string dir the squirrelmail datadir
+ * @param string datafile the name of the file to open
+ * @param bool hash_seach default true
+ * @return string the hashed location of datafile
+ */
function getHashedFile($username, $dir, $datafile, $hash_search = true) {
global $dir_hash_level;
/* First, get and make sure the full hash directory exists. */
$real_hash_dir = getHashedDir($username, $dir, $hash_dirs);
- /* Set the value of our real data file. */
- $result = SM_PATH . "$real_hash_dir/$datafile";
+ /* Set the value of our real data file, after we've removed unwanted characters. */
+ $datafile = str_replace('/', '_', $datafile);
+ $result = "$real_hash_dir/$datafile";
/* Check for this file in the real hash directory. */
if ($hash_search && !@file_exists($result)) {
return ($result);
}
+/**
+ * Helper function for getHashedFile, given a username returns the hashed
+ * dir for that username.
+ *
+ * @param string username the username of the current user
+ * @param string dir the squirrelmail datadir
+ * @param string hash_dirs default ''
+ * @return the path to the hash dir for username
+ */
function getHashedDir($username, $dir, $hash_dirs = '') {
global $dir_hash_level;
return ($real_hash_dir);
}
+/**
+ * Helper function for getHashDir which does the actual hash calculation.
+ *
+ * @param string username the username to calculate the hash dir for
+ * @return array a list of hash dirs for this username
+ */
function computeHashDirs($username) {
/* Compute the hash for this user and extract the hash directories. */
$hash = base_convert(crc32($username), 10, 16);