J.I Kim

[squirrelmail.git] / functions / file_prefs.php

diff --git a/functions/file_prefs.php b/functions/file_prefs.php
index 329ce954676c9e746e3c83217d028a8b6665a336..812853d280032e83e46f64f40716f55bba768819 100644 (file)
--- a/functions/file_prefs.php
+++ b/functions/file_prefs.php
@@ -3,7 +3,7 @@
 /**
  * file_prefs.php
  *
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
  *
  * This contains functions for manipulating user preferences in files
@@ -49,11 +49,20 @@ function cachePrefValues($data_dir, $username) {
     /* Read in the preferences. */
     $highlight_num = 0;
     while (! feof($file)) {
-        $pref = trim(fgets($file, 1024));
+        $pref = '';
+        /* keep reading a pref until we reach an eol (\n (or \r for macs)) */
+        while($read = fgets($file, 1024))
+        {
+                $pref .= $read;
+                if(strpos($read,"\n") || strpos($read,"\r"))
+                        break;
+        }
+        $pref = trim($pref);
         $equalsAt = strpos($pref, '=');
         if ($equalsAt > 0) {
             $key = substr($pref, 0, $equalsAt);
             $value = substr($pref, $equalsAt + 1);
+            /* this is to 'rescue' old-style highlighting rules. */
             if (substr($key, 0, 9) == 'highlight') {
                 $key = 'highlight' . $highlight_num;
                 $highlight_num ++;
@@ -77,16 +86,19 @@ function cachePrefValues($data_dir, $username) {
  */
 function getPref($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;
+    $result = do_hook_function('get_pref_override',array($username,$string));
+    if (!$result) {
+       cachePrefValues($data_dir, $username);
+       if (isset($prefs_cache[$string])) {
+           $result = $prefs_cache[$string];
+       } else {
+           $result = do_hook_function('get_pref', array($username,$string));
+           if (!$result) {         
+               $result = $default;
+           }
+       }
     }
-
     return ($result);
 }
 
@@ -99,10 +111,10 @@ function savePrefValues($data_dir, $username) {
     $filename = getHashedFile($username, $data_dir, "$username.pref");
 
     /* Open the file for writing, or else display an error to the user. */
-    if(!$file = @fopen($filename, 'w'))
+    if(!$file = @fopen($filename.'.tmp', 'w'))
     {
         include_once(SM_PATH . 'functions/display_messages.php');
-        logout_error( sprintf( _("Preference file, %s, could not be opened. Contact your system administrator to resolve this issue."), $filename) );
+        logout_error( sprintf( _("Preference file, %s, could not be opened. Contact your system administrator to resolve this issue."), $filename.'.tmp') );
         exit;
     }
     foreach ($prefs_cache as $Key => $Value) {
@@ -176,9 +188,9 @@ function checkForPrefs($data_dir, $username, $filename = '') {
 
         /* Otherwise, report an error. */
         $errTitle = sprintf( _("Error opening %s"), $default_pref );
-        if (!file_exists($default_pref)) {
+        if (!is_readable($default_pref)) {
             $errString = $errTitle . "<br>\n" .
-                         _("Default preference file not found!") . "<br>\n" .
+                         _("Default preference file not found or not readable!") . "<br>\n" .
                          _("Please contact your system administrator and report this error.") . "<br>\n";
             include_once(SM_PATH . 'functions/display_messages.php' );
             logout_error( $errString, $errTitle );