X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fprefs.php;h=fb1c0c38c03c302ad9a572e0b028bb15b274401f;hb=d3859daff2362e39ef1fa2497852dd6e88a355e0;hp=e71d4e0531d3ca9872372d3f207296f66925fe3d;hpb=a15af05b1f9650afe3b8d40b493ea62dd6ea6abb;p=squirrelmail.git

diff --git a/functions/prefs.php b/functions/prefs.php
index e71d4e05..fb1c0c38 100644
--- a/functions/prefs.php
+++ b/functions/prefs.php
@@ -3,209 +3,72 @@
 /**
  * prefs.php
  *
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
  *
  * This contains functions for manipulating user preferences
  *
- * $Id$
+ * @version $Id$
+ * @package squirrelmail
  */
 
-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;
-    }
-
-    /* Calculate the filename for the user's preference file */
-    $filename = getHashedFile($username, $data_dir, "$username.pref");
-
-    /* A call to checkForPrefs here should take eliminate the need for
-    /* this to be called throughout the rest of the SquirrelMail code. 
-    checkForPrefs($data_dir, $username, $filename);
-
-    /* Make sure that the preference file now DOES exist. */
-    if (!file_exists($filename)) {
-        printf (_("Preference file, %s, does not exist. Log out, and log back in to create a default preference file."), $filename);
-        exit;
-    }
+/** Include global.php */
+require_once(SM_PATH . 'functions/global.php');
+require_once(SM_PATH . 'functions/plugin.php');
 
-    $file = fopen($filename, 'r');
+sqgetGlobalVar('prefs_cache', $prefs_cache, SQ_SESSION );
+sqgetGlobalVar('prefs_are_cached', $prefs_are_cached, SQ_SESSION );
 
-    /* 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;
-                $highlight_num ++;
-            }
-
-            if ($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;
-   
-    $filename = getHashedFile($username, $data_dir, "$username.pref");
-
-    $file = fopen($filename, '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);
+if ( !sqsession_is_registered('prefs_are_cached') ||
+     !isset( $prefs_cache) ||
+     !is_array( $prefs_cache)
+   ) {
+    $prefs_are_cached = false;
+    $prefs_cache = array();
 }
 
-/**
- * Check for a preferences file. If one can not be found, create it.
- */
-function checkForPrefs($data_dir, $username, $filename = '') {
-    /* First, make sure we have the filename. */
-    if ($filename == '') {
-        $filename = getHashedFile($username, $data_dir, "$username.pref");
-    }
-    
-    /* Then, check if the file exists. */
-    if (!file_exists($filename) ) {
-        if (!copy($data_dir . 'default_pref', $filename)) {
-            echo _("Error opening ") . $filename;
-            exit;
-        }
-    }
+$prefs_backend = do_hook_function('prefs_backend');
+if (isset($prefs_backend) && !empty($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');
 }
 
-/**
- * Write the User Signature.
- */
-function setSig($data_dir, $username, $value) {
-    $filename = getHashedFile($username, $data_dir, "$username.sig");
-    $file = fopen($filename, 'w');
-    fwrite($file, $value);
-    fclose($file);
-}
+/* Hashing functions */
 
 /**
- * Get the signature.
+ * 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 getSig($data_dir, $username) {
-    #$filename = $data_dir . $username . '.sig';
-    $filename = getHashedFile($username, $data_dir, "$username.sig");
-    $sig = '';
-    if (file_exists($filename)) {
-        $file = fopen($filename, 'r');
-        while (!feof($file)) {
-            $sig .= fgets($file, 1024);
-        }
-        fclose($file);
-    }
-    return $sig;
-}
-
 function getHashedFile($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. */
+    /* 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)) {
+    if ($hash_search && !@file_exists($result)) {
         /* First check the base directory, the most common location. */
-        if (file_exists("$dir/$datafile")) {
+        if (@file_exists("$dir/$datafile")) {
             rename("$dir/$datafile", $result);
 
         /* Then check the full range of possible hash directories. */
@@ -220,14 +83,28 @@ function getHashedFile($username, $dir, $datafile, $hash_search = true) {
             }
         }
     }
-     
+
     /* Return the full hashed datafile path. */
     return ($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);
@@ -237,8 +114,13 @@ function getHashedDir($username, $dir, $hash_dirs = '') {
     $real_hash_dir = $dir;
     for ($h = 0; $h < $dir_hash_level; ++$h) {
         $real_hash_dir .= '/' . $hash_dirs[$h];
-        if (!is_dir($real_hash_dir)) {
-            mkdir($real_hash_dir, 0770);
+        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;
+            }
         }
     }
 
@@ -246,6 +128,12 @@ function getHashedDir($username, $dir, $hash_dirs = '') {
     return ($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);
@@ -258,4 +146,30 @@ function computeHashDirs($username) {
     return ($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