<?php
- /**
- ** prefs.php
- **
- ** This contains functions for manipulating user preferences
- **
- ** $Id$
- **/
- $prefs_php = true;
+ /**
+ * 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;
+ $prefs_cache = array();
+ }
+ function cachePrefValues($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 all 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;
+ $highlight_num ++;
+ }
+
+ if ($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');
+ }
+
+
/** 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"), $filename);
- exit;
- }
+ function getPref($data_dir, $username, $string, $default = '') {
+ global $prefs_cache;
- $file = fopen($filename, "r");
+ cachePrefValues($data_dir, $username);
- /** read in all the preferences **/
- for ($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($file);
- return "";
+ if (isset($prefs_cache[$string]))
+ return $prefs_cache[$string];
+ else
+ return $default;
}
- function removePref($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) {
- $i--;
- }
+ function savePrefValues($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);
+ }
- 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($htl)) {
- for ($i=0; $i < count($hlt); $i++) {
- fwrite($file, "highlight$i=$hlt[$i]");
- }
+ function removePref($data_dir, $username, $string) {
+ global $prefs_cache;
+
+ cachePrefValues($data_dir, $username);
+
+ if (isset($prefs_cache[$string])) {
+ unset($prefs_cache[$string]);
}
- fclose($file);
+
+ savePrefValues($data_dir, $username);
}
/** 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;
+ global $prefs_cache;
+
+ cachePrefValues($data_dir, $username);
+ if (isset($prefs_cache[$string]) && $prefs_cache[$string] == $set_to)
+ return;
+ if ($set_to === '') {
+ removePref($data_dir, $username, $string);
+ return;
}
- $file = fopen($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);
+ $prefs_cache[$string] = $set_to;
+ savePrefValues($data_dir, $username);
}
-
-
/** This checks if there is a pref file, if there isn't, it will
create it. **/
function checkForPrefs($data_dir, $username) {
- $filename = "$data_dir$username.pref";
+ $filename = $data_dir . $username . '.pref';
if (!file_exists($filename)) {
- if (!copy("$data_dir" . "default_pref", $filename)) {
- echo _("Error opening ") ."$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");
+ $file = fopen($data_dir . $username . '.sig', 'w');
fwrite($file, $string);
fclose($file);
}
/** Gets the signature **/
function getSig($data_dir, $username) {
- $filename = "$data_dir$username.sig";
+ $filename = $data_dir . $username . '.sig';
+ $sig = '';
if (file_exists($filename)) {
- $file = fopen($filename, "r");
- $sig = "";
+ $file = fopen($filename, 'r');
while (!feof($file)) {
$sig .= fgets($file, 1024);
}
projects / squirrelmail.git / blobdiff