<?php
- /**
- ** prefs.php
- **
- ** This contains functions for manipulating user preferences
- **
- ** $Id$
- **/
-
- $prefs_php = true;
-
- /** returns the value for $string **/
- function getPref($data_dir, $username, $string) {
- $filename = "$data_dir$username.pref";
- if (!file_exists($filename)) {
- printf (_("Preference file %s not found. Exiting abnormally"), $filename);
- exit;
- }
-
- $file = fopen($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($file);
- return "";
- }
-
- function removePref($data_dir, $username, $string) {
- $filename = "$data_dir$username.pref";
- $found = false;
- if (!file_exists($filename)) {
- printf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename);
- echo "<br>\n";
- exit;
- }
- $file = fopen($filename, "r");
-
- for ($i=0; !feof($file); $i++) {
- $pref[$i] = fgets($file, 1024);
- if (substr($pref[$i], 0, strpos($pref[$i], "=")) == $string) {
- $i--;
- }
- }
- fclose($file);
-
- for ($i=0,$j=0; $i < count($pref); $i++) {
- if (substr($pref[$i], 0, 9) == "highlight") {
- $hlt[$j] = substr($pref[$i], strpos($pref[$i], "=")+1);
- $j++;
- }
- }
-
- $file = fopen($filename, "w");
- for ($i=0; $i < count($pref); $i++) {
- if (substr($pref[$i], 0, 9) != "highlight") {
- fwrite($file, "$pref[$i]", 1024);
- }
- }
- if (isset($hlt)) {
- for ($i=0; $i < count($hlt); $i++) {
- fwrite($file, "highlight$i=$hlt[$i]");
- }
- }
- fclose($file);
- }
-
- /** sets the pref, $string, to $set_to **/
- function setPref($data_dir, $username, $string, $set_to) {
- $filename = "$data_dir$username.pref";
- $found = false;
- if (!file_exists($filename)) {
- printf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename);
- echo "\n<br>\n";
- 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[$i]", 1024);
- }
- }
- } else {
- for ($i=0; $i < count($pref); $i++) {
- fwrite($file, "$pref[$i]", 1024);
- }
- fwrite($file, "$string=$set_to\n", 1024);
- }
-
- fclose($file);
- }
-
-
+/**
+ * prefs.php
+ *
+ * Copyright (c) 1999-2001 The SquirrelMail Development 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')) {
+ $prefs_are_cached = false;
+ $prefs_cache = array();
+}
+
+/**
+ * Check the preferences into the session cache.
+ */
+function cachePrefValues($data_dir, $username) {
+ global $prefs_are_cached, $prefs_cache;
+
+ if ($prefs_are_cached) {
+ return;
+ }
+
+ $filename = $data_dir . $username . '.pref';
+
+ if (!file_exists($filename)) {
+ printf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename);
+ exit;
+ }
+
+ $file = fopen($filename, 'r');
+
+ /* Read in the preferences. */
+ $highlight_num = 0;
+ while (! feof($file)) {
+ $pref = trim(fgets($file, 1024));
+ $equalsAt = strpos($pref, '=');
+ if ($equalsAt > 0) {
+ $key = substr($pref, 0, $equalsAt);
+ $value = substr($pref, $equalsAt + 1);
+ if (substr($key, 0, 9) == 'highlight') {
+ $key = 'highlight' . $highlight_num;
+ $highlight_num ++;
+ }
- /** This checks if there is a pref file, if there isn't, it will
- create it. **/
- function checkForPrefs($data_dir, $username) {
- $filename = "$data_dir$username.pref";
- if (!file_exists($filename)) {
- if (!copy("$data_dir" . "default_pref", $filename)) {
- echo _("Error opening ") ."$filename";
+ 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');
+}
+
+/**
+ * Return the value for the prefernce given by $string.
+ */
+function getPref($data_dir, $username, $string, $default = '') {
+ global $prefs_cache;
+ $result = '';
+
+ cachePrefValues($data_dir, $username);
+
+ if (isset($prefs_cache[$string])) {
+ $result = $prefs_cache[$string];
+ } else {
+ $result = $default;
+ }
+
+ return ($result);
+}
+
+/**
+ * Save the preferences for this user.
+ */
+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);
+}
+
+/**
+ * Remove a preference for the current user.
+ */
+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);
+}
+
+/**
+ * Set a there preference $string to $value.
+ */
+function setPref($data_dir, $username, $string, $value) {
+ global $prefs_cache;
+
+ cachePrefValues($data_dir, $username);
+ if (isset($prefs_cache[$string]) && ($prefs_cache[$string] == $value)) {
+ return;
+ }
+
+ if ($value === '') {
+ removePref($data_dir, $username, $string);
+ return;
+ }
+
+ $prefs_cache[$string] = $value;
+ savePrefValues($data_dir, $username);
+}
+
+/**
+ * Check for a preferences file. If one can not be found, create it.
+ */
+function checkForPrefs($data_dir, $username) {
+ $filename = $data_dir . $username . '.pref';
+ if (!file_exists($filename) ) {
+ if (!copy($data_dir . 'default_pref', $filename)) {
+ echo _("Error opening ") . $filename;
exit;
- }
- }
- }
-
-
-
- /** Writes the Signature **/
- function setSig($data_dir, $username, $string) {
- $filename = "$data_dir$username.sig";
- $file = fopen($filename, "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($file)) {
+ }
+ }
+}
+
+/**
+ * Write the User Signature.
+ */
+function setSig($data_dir, $username, $value) {
+ $file = fopen($data_dir . $username . '.sig', 'w');
+ fwrite($file, $value);
+ fclose($file);
+}
+
+/**
+ * Get 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 $sig;
- }
+ }
+ fclose($file);
+ }
+ return $sig;
+}
+
?>
projects / squirrelmail.git / blobdiff