X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fprefs.php;h=047e1de68d3cbad607e9053553ace507afee0e1a;hb=e15e2f96b1c1dd49e8be30f46be684391ee47b1d;hp=210e9e3cdee59da7dd3cdd73a5270660d10c180b;hpb=2d367c687f9813a45a3d2f1911036cfc0425fdd0;p=squirrelmail.git
diff --git a/functions/prefs.php b/functions/prefs.php
index 210e9e3c..047e1de6 100644
--- a/functions/prefs.php
+++ b/functions/prefs.php
@@ -1,149 +1,116 @@
0) {
- $Key = substr($pref, 0, $equalsAt);
- $Value = substr($pref, $equalsAt + 1);
- if (substr($Key, 0, 9) == 'highlight') {
- $Key = 'highlight' . $highlight_num;
- $highlight_num ++;
- }
-
- if ($Value != '') {
- $prefs_cache[$Key] = $Value;
- }
- }
- }
- fclose($file);
-
- session_unregister('prefs_cache');
- session_register('prefs_cache');
-
- $prefs_are_cached = true;
- session_unregister('prefs_are_cached');
- session_register('prefs_are_cached');
- }
-
-
- /** returns the value for $string **/
- function getPref($data_dir, $username, $string, $default = '') {
- global $prefs_cache;
-
- cachePrefValues($data_dir, $username);
-
- if (isset($prefs_cache[$string]))
- return $prefs_cache[$string];
- else
- return $default;
- }
-
-
- function savePrefValues($data_dir, $username) {
- global $prefs_cache;
-
- $file = fopen($data_dir . $username . '.pref', 'w');
- foreach ($prefs_cache as $Key => $Value) {
- if (isset($Value)) {
- fwrite($file, $Key . '=' . $Value . "\n");
- }
- }
- fclose($file);
- }
-
-
- function removePref($data_dir, $username, $string) {
- global $prefs_cache;
-
- cachePrefValues($data_dir, $username);
-
- if (isset($prefs_cache[$string])) {
- unset($prefs_cache[$string]);
- }
-
- savePrefValues($data_dir, $username);
- }
-
- /** sets the pref, $string, to $set_to **/
- function setPref($data_dir, $username, $string, $set_to) {
- global $prefs_cache;
-
- cachePrefValues($data_dir, $username);
- if (isset($prefs_cache[$string]) && $prefs_cache[$string] == $set_to)
- return;
- if ($set_to === '') {
- removePref($data_dir, $username, $string);
- return;
- }
- $prefs_cache[$string] = $set_to;
- savePrefValues($data_dir, $username);
- }
-
-
- /** This checks if there is a pref file, if there isn't, it will
- create it. **/
- function checkForPrefs($data_dir, $username) {
- $filename = $data_dir . $username . '.pref';
- if (!file_exists($filename)) {
- if (!copy($data_dir . 'default_pref', $filename)) {
- echo _("Error opening ") . $filename;
- exit;
- }
- }
- }
-
-
- /** Writes the Signature **/
- function setSig($data_dir, $username, $string) {
- $file = fopen($data_dir . $username . '.sig', 'w');
- fwrite($file, $string);
- fclose($file);
- }
-
-
-
- /** Gets the signature **/
- function getSig($data_dir, $username) {
- $filename = $data_dir . $username . '.sig';
- $sig = '';
- if (file_exists($filename)) {
- $file = fopen($filename, 'r');
- while (!feof($file)) {
- $sig .= fgets($file, 1024);
- }
- fclose($file);
- }
- return $sig;
- }
+
+/**
+ * prefs.php
+ *
+ * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This contains functions for manipulating user preferences
+ *
+ * $Id$
+ */
+
+global $prefs_are_cached, $prefs_cache;
+
+if ( !session_is_registered('prefs_are_cached') ||
+ !isset( $prefs_cache) ||
+ !is_array( $prefs_cache) ||
+ substr( phpversion(), 0, 3 ) == '4.1' ||
+ substr( phpversion(), 0, 3 ) == '4.2' ) {
+ $prefs_are_cached = false;
+ $prefs_cache = array();
+}
+
+if (isset($prefs_dsn) && !empty($prefs_dsn)) {
+ require_once('../functions/db_prefs.php');
+} else {
+ require_once('../functions/file_prefs.php');
+}
+
+/* Hashing functions */
+
+function getHashedFile($username, $dir, $datafile, $hash_search = true) {
+ global $dir_hash_level;
+
+ /* Remove trailing slash from $dir if found */
+ if (substr($dir, -1) == '/') {
+ $dir = substr($dir, 0, strlen($dir) - 1);
+ }
+
+ /* Compute the hash for this user and extract the hash directories. */
+ $hash_dirs = computeHashDirs($username);
+
+ /* 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. */
+ $result = "$real_hash_dir/$datafile";
+
+ /* Check for this file in the real hash directory. */
+ if ($hash_search && !@file_exists($result)) {
+ /* First check the base directory, the most common location. */
+ if (@file_exists("$dir/$datafile")) {
+ rename("$dir/$datafile", $result);
+
+ /* Then check the full range of possible hash directories. */
+ } else {
+ $check_hash_dir = $dir;
+ for ($h = 0; $h < 4; ++$h) {
+ $check_hash_dir .= '/' . $hash_dirs[$h];
+ if (@is_readable("$check_hash_dir/$datafile")) {
+ rename("$check_hash_dir/$datafile", $result);
+ break;
+ }
+ }
+ }
+ }
+
+ /* Return the full hashed datafile path. */
+ return ($result);
+}
+
+function getHashedDir($username, $dir, $hash_dirs = '') {
+ global $dir_hash_level;
+
+ /* Remove trailing slash from $dir if found */
+ if (substr($dir, -1) == '/') {
+ $dir = substr($dir, 0, strlen($dir) - 1);
+ }
+
+ /* If necessary, populate the hash dir variable. */
+ if ($hash_dirs == '') {
+ $hash_dirs = computeHashDirs($username);
+ }
+
+ /* Make sure the full hash directory exists. */
+ $real_hash_dir = $dir;
+ for ($h = 0; $h < $dir_hash_level; ++$h) {
+ $real_hash_dir .= '/' . $hash_dirs[$h];
+ if (!@is_dir($real_hash_dir)) {
+ if (!@mkdir($real_hash_dir, 0770)) {
+ echo sprintf(_("Error creating directory %s."), $real_hash_dir) . '
' .
+ _("Could not create hashed directory structure!") . "
\n" .
+ _("Please contact your system administrator and report this error.") . "
\n";
+ exit;
+ }
+ }
+ }
+
+ /* And return that directory. */
+ return ($real_hash_dir);
+}
+
+function computeHashDirs($username) {
+ /* Compute the hash for this user and extract the hash directories. */
+ $hash = base_convert(crc32($username), 10, 16);
+ $hash_dirs = array();
+ for ($h = 0; $h < 4; ++ $h) {
+ $hash_dirs[] = substr($hash, $h, 1);
+ }
+
+ /* Return our array of hash directories. */
+ return ($hash_dirs);
+}
+
?>