/**
* prefs.php
*
- * Copyright (c) 1999-2001 The SquirrelMail Development Team
+ * 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
*/
global $prefs_are_cached, $prefs_cache;
-if (!session_is_registered('prefs_are_cached')) {
+
+if ( !session_is_registered('prefs_are_cached') ||
+ !isset( $prefs_cache) ||
+ !is_array( $prefs_cache) ||
+ substr( phpversion(), 0, 3 ) == '4.1' ) {
$prefs_are_cached = false;
$prefs_cache = array();
}
if ($prefs_are_cached) {
return;
}
+
+ session_unregister('prefs_cache');
+ session_unregister('prefs_are_cached');
+
+ /* Calculate the filename for the user's preference file */
+ $filename = getHashedFile($username, $data_dir, "$username.pref");
- $filename = $data_dir . $username . '.pref';
+ /* A call to checkForPrefs here should take eliminate the need for */
+ /* this to be called throughout the rest of the SquirrelMail code. */
+ checkForPrefs($data_dir, $username, $filename);
+ /* Make sure that the preference file now DOES exist. */
if (!file_exists($filename)) {
- printf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename);
+ echo sprintf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename) . "<br>\n";
exit;
}
}
fclose($file);
- session_unregister('prefs_cache');
+ $prefs_are_cached = true;
+
session_register('prefs_cache');
-
- $prefs_are_cached = true;
- session_unregister('prefs_are_cached');
session_register('prefs_are_cached');
}
function savePrefValues($data_dir, $username) {
global $prefs_cache;
- $file = fopen($data_dir . $username . '.pref', 'w');
+ $filename = getHashedFile($username, $data_dir, "$username.pref");
+
+ $file = fopen($filename, 'w');
foreach ($prefs_cache as $Key => $Value) {
if (isset($Value)) {
fwrite($file, $Key . '=' . $Value . "\n");
/**
* Check for a preferences file. If one can not be found, create it.
*/
-function checkForPrefs($data_dir, $username) {
- $filename = $data_dir . $username . '.pref';
- if (!file_exists($filename) ) {
- if (!copy($data_dir . 'default_pref', $filename)) {
- echo _("Error opening ") . $filename;
+function checkForPrefs($data_dir, $username, $filename = '') {
+ /* First, make sure we have the filename. */
+ if ($filename == '') {
+ $filename = getHashedFile($username, $data_dir, '$username.pref');
+ }
+
+ /* Then, check if the file exists. */
+ if (!@file_exists($filename) ) {
+ /* First, check the $data_dir for the default preference file. */
+ $default_pref = $data_dir . 'default_pref';
+
+ /* If it is not there, check the internal data directory. */
+ if (!@file_exists($default_pref)) {
+ $default_pref = '../data/default_pref';
+ }
+
+ /* Otherwise, report an error. */
+ if (!file_exists($default_pref)) {
+ echo _("Error opening ") . $default_pref . "<br>\n";
+ echo _("Default preference file not found!") . "<br>\n";
+ echo _("Please contact your system administrator and report this error.") . "<br>\n";
+ exit;
+ } else if (!@copy($default_pref, $filename)) {
+ echo _("Error opening ") . $default_pref . '<br>';
+ echo _("Could not create initial preference file!") . "<br>\n";
+ echo _("Please contact your system administrator and report this error.") . "<br>\n";
exit;
}
}
* Write the User Signature.
*/
function setSig($data_dir, $username, $value) {
- $file = fopen($data_dir . $username . '.sig', 'w');
+ $filename = getHashedFile($username, $data_dir, "$username.sig");
+ $file = fopen($filename, 'w');
fwrite($file, $value);
fclose($file);
}
* Get the signature.
*/
function getSig($data_dir, $username) {
- $filename = $data_dir . $username . '.sig';
+ #$filename = $data_dir . $username . '.sig';
+ $filename = getHashedFile($username, $data_dir, "$username.sig");
$sig = '';
if (file_exists($filename)) {
$file = fopen($filename, 'r');
return $sig;
}
+function getHashedFile($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."), $real_hash_dir) . '<br>' .
+ _("Could not create hashed directory structure!") . "<br>\n" .
+ _("Please contact your system administrator and report this error.") . "<br>\n";
+ exit;
+ }
+ }
+ }
+
+ /* And return that directory. */
+ return ($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);
+}
+
?>
projects / squirrelmail.git / blobdiff