154 lines
No EOL
4 KiB
PHP
154 lines
No EOL
4 KiB
PHP
<?php
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/**
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* prefs.php
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*
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* Copyright (c) 1999-2001 The Squirrelmail Development Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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*
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* This contains functions for manipulating user preferences
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*
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* $Id$
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*/
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global $prefs_are_cached, $prefs_cache;
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if (!session_is_registered('prefs_are_cached')) {
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$prefs_are_cached = false;
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$prefs_cache = array();
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}
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function cachePrefValues($data_dir, $username) {
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global $prefs_are_cached, $prefs_cache;
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if ($prefs_are_cached)
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return;
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$filename = $data_dir . $username . '.pref';
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if (!file_exists($filename)) {
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printf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename);
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exit;
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}
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$file = fopen($filename, 'r');
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/** read in all the preferences **/
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$highlight_num = 0;
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while (! feof($file)) {
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$pref = trim(fgets($file, 1024));
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$equalsAt = strpos($pref, '=');
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if ($equalsAt > 0) {
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$Key = substr($pref, 0, $equalsAt);
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$Value = substr($pref, $equalsAt + 1);
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if (substr($Key, 0, 9) == 'highlight') {
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$Key = 'highlight' . $highlight_num;
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$highlight_num ++;
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}
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if ($Value != '') {
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$prefs_cache[$Key] = $Value;
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}
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}
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}
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fclose($file);
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session_unregister('prefs_cache');
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session_register('prefs_cache');
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$prefs_are_cached = true;
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session_unregister('prefs_are_cached');
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session_register('prefs_are_cached');
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}
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/** returns the value for $string **/
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function getPref($data_dir, $username, $string, $default = '') {
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global $prefs_cache;
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cachePrefValues($data_dir, $username);
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if (isset($prefs_cache[$string]))
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return $prefs_cache[$string];
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else
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return $default;
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}
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function savePrefValues($data_dir, $username) {
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global $prefs_cache;
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$file = fopen($data_dir . $username . '.pref', 'w');
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foreach ($prefs_cache as $Key => $Value) {
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if (isset($Value)) {
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fwrite($file, $Key . '=' . $Value . "\n");
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}
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}
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fclose($file);
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}
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function removePref($data_dir, $username, $string) {
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global $prefs_cache;
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cachePrefValues($data_dir, $username);
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if (isset($prefs_cache[$string])) {
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unset($prefs_cache[$string]);
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}
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savePrefValues($data_dir, $username);
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}
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/** sets the pref, $string, to $set_to **/
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function setPref($data_dir, $username, $string, $set_to) {
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global $prefs_cache;
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cachePrefValues($data_dir, $username);
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if (isset($prefs_cache[$string]) && $prefs_cache[$string] == $set_to)
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return;
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if ($set_to === '') {
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removePref($data_dir, $username, $string);
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return;
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}
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$prefs_cache[$string] = $set_to;
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savePrefValues($data_dir, $username);
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}
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/** This checks if there is a pref file, if there isn't, it will
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create it. **/
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function checkForPrefs($data_dir, $username) {
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$filename = $data_dir . $username . '.pref';
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if (!file_exists($filename) ) {
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if (!copy($data_dir . 'default_pref', $filename)) {
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echo _("Error opening ") . $filename;
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exit;
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}
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}
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}
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/** Writes the Signature **/
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function setSig($data_dir, $username, $string) {
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$file = fopen($data_dir . $username . '.sig', 'w');
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fwrite($file, $string);
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fclose($file);
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}
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/** Gets the signature **/
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function getSig($data_dir, $username) {
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$filename = $data_dir . $username . '.sig';
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$sig = '';
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if (file_exists($filename)) {
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$file = fopen($filename, 'r');
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while (!feof($file)) {
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$sig .= fgets($file, 1024);
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}
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fclose($file);
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}
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return $sig;
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}
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?>
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