X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=classes%2Fs.php;h=456736ff3abf1abf692baad597aaf5e171ce33be;hb=88541046480799a8d92eba186f22e22c0c64efb0;hp=ff29982c0e00d375e2ac3adf324ff8f30c977f7a;hpb=7adcbe0e8cd74f157fa10b175208c8efa645cd94;p=platal.git

diff --git a/classes/s.php b/classes/s.php
index ff29982..456736f 100644
--- a/classes/s.php
+++ b/classes/s.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2008 Polytechnique.org                              *
+ *  Copyright (C) 2003-2010 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -56,8 +56,22 @@ class S
 
     public static function i($key, $default = 0)
     {
-        $i = S::v($key, $default);
-        return is_numeric($i) ? intval($i) : $default;
+        $i = to_integer(S::v($key, $default));
+        return $i === false ? $default : $i;
+    }
+
+    public static function t($key, $default = '')
+    {
+        return trim(S::s($key, $default));
+    }
+
+    public static function blank($key, $strict = false)
+    {
+        if (!S::has($key)) {
+            return true;
+        }
+        $var = $strict ? S::s($key) : S::t($key);
+        return empty($var);
     }
 
     public static function l(array $keys)
@@ -81,11 +95,12 @@ class S
     {
         $uid = S::i('uid', $uid);
         if (!S::has('log') || !S::v('log')->isValid($uid)) {
+            global $platal;
             if (S::has('suid')) {
                 $suid = S::v('suid');
-                S::set('log', PlLogger::get(S::i('uid', $uid), $suid['uid']));
+                S::set('log', $platal->buildLogger(S::i('uid', $uid), $suid['uid']));
             } else if (S::has('uid') || $uid) {
-                S::set('log', PlLogger::get(S::i('uid', $uid)));
+                S::set('log', $platal->buildLogger(S::i('uid', $uid)));
             } else {
                 S::set('log', PlLogger::dummy($uid));
             }
@@ -102,17 +117,24 @@ class S
      * move into the php session (and data it helds should be removed from
      * the php session). */
     private static $user = null;
-    public static function &user()
+    public static function &user($forceFetch = false)
     {
-        if (self::$user == null && class_exists('User')) {
-            self::$user = User::getSilentWithValues(S::i('uid'), $_SESSION);
+        if (($forceFetch || self::$user == null) && class_exists('User')) {
+            if (S::has('user') && S::v('user') instanceof User) {
+                self::$user = S::v('user');
+            } else {
+                self::$user = User::getSilentWithValues(S::i('uid'), $_SESSION);
+            }
         }
         return self::$user;
     }
 
-    public static function has_perms()
+    public static function changeSession(array $newSession)
     {
-        return Platal::session()->checkPerms(PERMS_ADMIN);
+        $oldSession = $_SESSION;
+        $_SESSION = $newSession;
+        self::$user = null;
+        return $oldSession;
     }
 
     public static function logged()
@@ -125,6 +147,25 @@ class S
         return S::i('auth', AUTH_PUBLIC) >= Platal::session()->sureLevel();
     }
 
+    public static function admin()
+    {
+        return Platal::session()->checkPerms(PERMS_ADMIN);
+    }
+
+    public static function suid($field = null, $default = null)
+    {
+        if (is_null($field)) {
+            return !S::blank('suid');
+        } else {
+            $suid = S::v('suid', array());
+            if (!empty($suid) && isset($suid[$field])) {
+                return $suid[$field];
+            } else {
+                return $default;
+            }
+        }
+    }
+
     // Anti-XSRF protections.
     public static function has_xsrf_token()
     {
@@ -138,8 +179,14 @@ class S
         }
     }
 
+    public static function hasAuthToken()
+    {
+        return !S::blank('token');
+    }
+
     public static function rssActivated()
     {
+        // XXX: Deprecated, to be replaced by S::hasToken()
         return S::has('core_rss_hash') && S::v('core_rss_hash');
     }
 }