Add possibility to declare wiki hooks.

[platal.git] / classes / platal.php

diff --git a/classes/platal.php b/classes/platal.php
index 8158367..f0569d6 100644 (file)
--- a/classes/platal.php
+++ b/classes/platal.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   *
@@ -22,8 +22,10 @@
 define('PL_DO_AUTH',   300);
 define('PL_FORBIDDEN', 403);
 define('PL_NOT_FOUND', 404);
+define('PL_WIKI',      500);
+define('PL_WIKI_HOOK', '@@WIKI@@');
 
-class Platal
+abstract class Platal
 {
     private $__mods;
     private $__hooks;
@@ -46,11 +48,11 @@ class Platal
         $sessionclass = PL_SESSION_CLASS;
         $session = new $sessionclass();
         if (!$session->startAvailableAuth()) {
-            Platal::page()->trigError('Données d\'authentification invalide.');
+            Platal::page()->trigError("Données d'authentification invalides.");
         }
 
         $modules    = func_get_args();
-        if (is_array($modules[0])) {
+        if (isset($modules[0]) && is_array($modules[0])) {
             $modules = $modules[0];
         }
         $this->path = trim(Get::_get('n', null), '/');
@@ -62,7 +64,7 @@ class Platal
         foreach ($modules as $module) {
             $module = strtolower($module);
             $this->__mods[$module] = $m = PLModule::factory($module);
-            $this->__hooks += $m->handlers();
+            $this->__hooks = $m->handlers() + $this->__hooks;
         }
 
         if ($globals->mode == '') {
@@ -84,6 +86,14 @@ class Platal
         return join('/', array_slice($this->argv, 0, $n));
     }
 
+    public static function wiki_hook($auth = AUTH_PUBLIC, $perms = 'user', $type = DO_AUTH)
+    {
+        return array('hook'  => PL_WIKI_HOOK,
+                     'auth'  => $auth,
+                     'perms' => $perms,
+                     'type'  => $type);
+    }
+
     protected function find_hook()
     {
         $p = $this->path;
@@ -267,13 +277,18 @@ class Platal
             }
         }
         if ($hook['auth'] != AUTH_PUBLIC && !$this->check_perms($hook['perms'])) {
-            return PL_FORBIDDEN;
+            if (self::notAllowed()) {
+                return PL_FORBIDDEN;
+            }
         }
 
+        if ($hook['hook'] == PL_WIKI_HOOK) {
+            return PL_WIKI;
+        }
         $val = call_user_func_array($hook['hook'], $args);
         if ($val == PL_DO_AUTH) {
             // The handler need a better auth with the current args
-            if (!$session->start($hook['auth'])) {
+            if (!$session->start($session->loggedLevel())) {
                 $this->force_login($page);
             }
             $val = call_user_func_array($hook['hook'], $args);
@@ -281,19 +296,9 @@ class Platal
         return $val;
     }
 
-    public function force_login(PlPage &$page)
-    {
-        header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
-        if (S::logged()) {
-            $page->changeTpl('core/password_prompt_logged.tpl');
-            $page->addJsLink('do_challenge_response_logged.js');
-        } else {
-            $page->changeTpl('core/password_prompt.tpl');
-            $page->addJsLink('do_challenge_response.js');
-        }
-        $page->assign('platal', $this);
-        $page->run();
-    }
+    /** Show the authentication form.
+     */
+    abstract public function force_login(PlPage& $page);
 
     public function run()
     {
@@ -312,22 +317,75 @@ class Platal
           case PL_NOT_FOUND:
             $this->__mods['core']->handler_404($page);
             break;
+
+          case PL_WIKI:
+            return PL_WIKI;
         }
 
         $page->assign('platal', $this);
         $page->run();
     }
 
-    public function on_subscribe($forlife, $uid, $promo, $pass)
+    public function error403()
     {
-        $args = func_get_args();
-        foreach ($this->__mods as $mod) {
-            if (!is_callable($mod, 'on_subscribe'))
-                continue;
-            call_user_func_array(array($mod, 'on_subscribe'), $args);
+        $page =& self::page();
+
+        $this->__mods['core']->handler_403($page);
+        $page->assign('platal', $this);
+        $page->run();
+    }
+
+    public function error404()
+    {
+        $page =& self::page();
+
+        $this->__mods['core']->handler_404($page);
+        $page->assign('platal', $this);
+        $page->run();
+    }
+
+    public static function notAllowed()
+    {
+        if (S::admin()) {
+            self::page()->trigWarning('Tu accèdes à cette page car tu es administrateur du site.');
+            return false;
+        } else {
+            return true;
         }
     }
 
+    public static function load($modname, $include = null)
+    {
+        global $platal;
+        $modname = strtolower($modname);
+        if (isset($platal->__mods[$modname])) {
+            if (is_null($include)) {
+                return;
+            }
+            $platal->__mods[$modname]->load($include);
+        } else {
+            if (is_null($include)) {
+                require_once PLModule::path($modname) . '.php';
+            } else {
+                require_once PLModule::path($modname) . '/' . $include;
+            }
+        }
+    }
+
+       public static function assert($cond, $error, $userfriendly)
+       {
+               global $globals;
+               if ($cond === false) {
+                       header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
+                       $file = fopen($globals->spoolroot . '/spool/tmp/assert_erros', 'a');
+                       fwrite($file, '<pre>' . pl_entities($error) . '</pre>\n');
+                       fclose($file);
+
+                       Platal::page()->kill($userfriendly);
+               }
+       }
+
+
     static public function &page()
     {
         global $platal;