- }
- } else {
- for ($i=0; $i < count($pref); $i++) {
- fwrite($file, "$pref[$i]", 1024);
- }
- fwrite($file, "$string=$set_to\n", 1024);
- }
-
- fclose($file);
- }
-
- /** This checks if there is a pref file, if there isn't, it will create it. **/
- function checkForPrefs($username) {
- $filename = "../data/$username.pref";
- if (!file_exists($filename)) {
- if (!copy("../data/default_pref", $filename)) {
- echo "Error opening $filename";
- exit;
- }
- }
- return;
- }
+ }
+ }
+
+ /* Return the full hashed datafile path. */
+ return ($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;
+
+ /* 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);
+}
+
+/**
+ * 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);
+ $hash_dirs = array();
+ for ($h = 0; $h < 4; ++ $h) {
+ $hash_dirs[] = substr($hash, $h, 1);
+ }
+
+ /* Return our array of hash directories. */
+ return ($hash_dirs);
+}
+
+/**
+ * FIXME: Undocumented function
+ */
+function checkForJavascript($reset = FALSE)
+{
+ global $data_dir, $username, $javascript_on, $javascript_setting;
+
+ if ( !$reset && sqGetGlobalVar('javascript_on', $javascript_on, SQ_SESSION) )
+ return $javascript_on;
+
+ if ( $reset || !isset($javascript_setting) )
+ $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
+
+ if ( !sqGetGlobalVar('new_js_autodetect_results', $js_autodetect_results) &&
+ !sqGetGlobalVar('js_autodetect_results', $js_autodetect_results) )
+ $js_autodetect_results = SMPREF_JS_OFF;
+
+ if ( $javascript_setting == SMPREF_JS_AUTODETECT )
+ $javascript_on = $js_autodetect_results;
+ else
+ $javascript_on = $javascript_setting;
+
+ sqsession_register($javascript_on, 'javascript_on');
+ return $javascript_on;
+}
+