-<?
- /**
- ** prefs.php
- **
- ** This contains functions for manipulating user preferences
- **/
-
- /** returns the value for $string **/
- function getPref($username, $string) {
- $filename = "../data/$username.pref";
- $file = fopen($filename, "r");
-
- /** read in all the preferences **/
- for ($i=0; !feof($file); $i++) {
- $pref = fgets($file, 1024);
- if (substr($pref, 0, strpos($pref, "=")) == $string) {
- fclose($file);
- return trim(substr($pref, strpos($pref, "=")+1));
- }
- }
- fclose($file);
- return "";
- }
-
- /** sets the pref, $string, to $set_to **/
- function setPref($username, $string, $set_to) {
- $filename = "../data/$username.pref";
- $found = false;
- if (!file_exists($filename)) {
- echo "Preference file, $filename, does not exist. Log out, and log back in to create a default preference file.<BR>";
- exit;
- }
- $file = fopen($filename, "r");
-
- /** read in all the preferences **/
- for ($i=0; !feof($file); $i++) {
- $pref[$i] = fgets($file, 1024);
- if (substr($pref[$i], 0, strpos($pref[$i], "=")) == $string) {
- $found = true;
- $pos = $i;
- }
- }
- fclose($file);
-
- $file = fopen($filename, "w");
- if ($found == true) {
- for ($i=0; $i < count($pref); $i++) {
- if ($i == $pos) {
- fwrite($file, "$string=$set_to\n", 1024);
- } else {
- fwrite($file, "$pref[$i]", 1024);
+<?php
+
+/**
+ * prefs.php
+ *
+ * Copyright (c) 1999-2004 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This contains functions for manipulating user preferences
+ *
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+/** Include global.php */
+require_once(SM_PATH . 'functions/global.php');
+
+sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION );
+sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION );
+
+if ( !sqsession_is_registered('prefs_are_cached') ||
+ !isset( $prefs_cache) ||
+ !is_array( $prefs_cache)
+ ) {
+ $prefs_are_cached = false;
+ $prefs_cache = array();
+}
+
+if (isset($prefs_backend) && file_exists(SM_PATH . $prefs_backend)) {
+ require_once(SM_PATH . $prefs_backend);
+} elseif (isset($prefs_dsn) && !empty($prefs_dsn)) {
+ require_once(SM_PATH . 'functions/db_prefs.php');
+} else {
+ require_once(SM_PATH . 'functions/file_prefs.php');
+}
+
+/* Hashing functions */
+
+/**
+ * Given a username and datafilename, this will return the path to the
+ * hashed location of that datafile.
+ *
+ * @param string username the username of the current user
+ * @param string dir the squirrelmail datadir
+ * @param string datafile the name of the file to open
+ * @param bool hash_seach default true
+ * @return string the hashed location of datafile
+ */
+function getHashedFile($username, $dir, $datafile, $hash_search = true) {
+ global $dir_hash_level;
+
+ /* 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, 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($result)) {
+ /* First check the base directory, the most common location. */
+ if (@file_exists("$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", $result);
+ break;
+ }
}
- }
- } else {
- for ($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;
+}
+
?>
\ No newline at end of file
projects / squirrelmail.git / blobdiff