<?php
/***************************************************************************
- * Copyright (C) 2003-2006 Polytechnique.org *
+ * Copyright (C) 2003-2007 Polytechnique.org *
* http://opensource.polytechnique.org/ *
* *
* This program is free software; you can redistribute it and/or modify *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************/
+define('PL_DO_AUTH', 300);
define('PL_FORBIDDEN', 403);
define('PL_NOT_FOUND', 404);
class Platal
{
- var $__mods;
- var $__hooks;
+ private $__mods;
+ private $__hooks;
- var $ns;
- var $path;
- var $argv;
+ protected $https;
- function Platal()
+ public $ns;
+ public $path;
+ public $argv;
+
+ public function __construct()
{
$modules = func_get_args();
+ if (is_array($modules[0])) {
+ $modules = $modules[0];
+ }
$this->path = trim(Get::_get('n', null), '/');
$this->__mods = array();
array_unshift($modules, 'core');
foreach ($modules as $module) {
+ $module = strtolower($module);
$this->__mods[$module] = $m = PLModule::factory($module);
$this->__hooks += $m->handlers();
}
+
+ global $globals;
+ if ($globals->mode == '') {
+ pl_redirect('index.html');
+ }
}
- function pl_self($n = null)
+ public function pl_self($n = null)
{
if (is_null($n))
return $this->path;
return join('/', array_slice($this->argv, 0, $n));
}
- function find_hook()
+ protected function find_hook()
{
$p = $this->path;
return null;
}
+ $this->https = ($hook['type'] & NO_HTTPS) ? false : true;
$this->argv = explode('/', substr($this->path, strlen($p)));
$this->argv[0] = $p;
return $hook;
}
- function call_hook(&$page)
+ protected function find_nearest_key($key, array &$array)
{
- $hook = $this->find_hook();
+ $keys = array_keys($array);
+ if (in_array($key, $keys)) {
+ return $key;
+ }
- if (is_null($hook)) {
- return PL_NOT_FOUND;
+ if (($pos = strpos($key, '.php')) !== false) {
+ $key = substr($key, 0, $pos);
+ }
+
+ $has_end = in_array("#final#", $keys);
+ if (strlen($key) > 24 && $has_end) {
+ return "#final#";
}
- $args = $this->argv;
- $args[0] = &$page;
+ foreach ($keys as $k) {
+ if ($k == "#final#") {
+ continue;
+ }
+ $lev = levenshtein($key, $k);
- if (strlen($hook['perms']) && $hook['perms'] != Session::v('perms')) {
- return PL_FORBIDDEN;
+ if ((!isset($val) || $lev < $val)
+ && ($lev <= strlen($k)/2 || strpos($k, $key) !== false || strpos($key, $k) !== false)) {
+ $val = $lev;
+ $best = $k;
+ }
+ }
+ if (!isset($best) && $has_end) {
+ return "#final#";
+ } else if (isset($best)) {
+ return $best;
}
+ return null;
+ }
+
+ public function near_hook()
+ {
+ $hooks = array();
+ $leafs = array();
+ foreach ($this->__hooks as $hook=>$handler) {
+ if (!$this->check_perms($handler['perms'])) {
+ continue;
+ }
+ $parts = split('/', $hook);
+ $place =& $hooks;
+ foreach ($parts as $part) {
+ if (!isset($place[$part])) {
+ $place[$part] = array();
+ }
+ $place =& $place[$part];
+ }
+ $leaf = $parts[count($parts)-1];
+ if (!isset($leafs[$leaf])) {
+ $leafs[$leaf] = $hook;
+ } else if (is_array($leafs[$leaf])) {
+ $leafs[$leaf][] = $hook;
+ } else {
+ $leafs[$leaf] = array($hook, $leafs[$leaf]);
+ }
+ $place["#final#"] = array();
+ }
+
+ // search for the nearest full path
+ $p = split('/', $this->path);
+ $place =& $hooks;
+ $link = '';
+ foreach ($p as $k) {
+ if (!isset($ended)) {
+ $key = $this->find_nearest_key($k, $place);
+ } else {
+ $key = $k;
+ }
+ if ($key == "#final#") {
+ if (!array_key_exists($link, $this->__hooks)) {
+ $link = '';
+ break;
+ }
+ $key = $k;
+ $ended = true;
+ }
+ if (!is_null($key)) {
+ if (!empty($link)) {
+ $link .= '/';
+ }
+ $link .= $key;
+ $place =& $place[$key];
+ } else {
+ $link = '';
+ break;
+ }
+ }
+ if ($link == $this->path) {
+ $link = '';
+ }
+ if ($link && levenshtein($link, $this->path) < strlen($link)/3) {
+ return $link;
+ }
+
+ // search for missing namespace (the given name is a leaf)
+ $leaf = array_shift($p);
+ $args = count($p) ? '/' . implode('/', $p) : '';
+ if (isset($leafs[$leaf]) && !is_array($leafs[$leaf]) && $leafs[$leaf] != $this->path) {
+ return $leafs[$leaf] . $args;
+ }
+ unset($val);
+ $best = null;
+ foreach ($leafs as $k=>&$path) {
+ if (is_array($path)) {
+ continue;
+ }
+ $lev = levenshtein($leaf, $k);
+
+ if ((!isset($val) || $lev < $val)
+ && ($lev <= strlen($k)/2 || strpos($k, $leaf) !== false || strpos($leaf, $k) !== false)) {
+ $val = $lev;
+ $best = $path;
+ }
+ }
+ return $best == null ? ( $link ? $link : null ) : $best . $args;
+ }
+
+ protected function check_perms($perms)
+ {
+ if (!$perms) { // No perms, no check
+ return true;
+ }
+ $s_perms = S::v('perms');
+ return $s_perms->hasFlagCombination($perms);
+ }
+
+ private function call_hook(PlatalPage &$page)
+ {
+ $hook = $this->find_hook();
+ if (empty($hook)) {
+ return PL_NOT_FOUND;
+ }
+ global $globals;
+ if ($this->https && !$_SERVER['HTTPS'] && $globals->core->secure_domain) {
+ http_redirect('https://' . $globals->core->secure_domain . $_SERVER['REQUEST_URI']);
+ }
+
+ $args = $this->argv;
+ $args[0] =& $page;
if ($hook['auth'] > S::v('auth', AUTH_PUBLIC)) {
- if ($hook['type'] == DO_AUTH) {
- global $globals;
-
+ if ($hook['type'] & DO_AUTH) {
if (!call_user_func(array($globals->session, 'doAuth'))) {
$this->force_login($page);
}
return PL_FORBIDDEN;
}
}
+ if ($hook['auth'] != AUTH_PUBLIC && !$this->check_perms($hook['perms'])) {
+ return PL_FORBIDDEN;
+ }
- return call_user_func_array($hook['hook'], $args);
+ $val = call_user_func_array($hook['hook'], $args);
+ if ($val & PL_DO_AUTH) {
+ // The handler need a better auth with the current args
+ if (!call_user_func(array($globals->session, 'doAuth'))) {
+ $this->force_login($page);
+ }
+ $val = call_user_func_array($hook['hook'], $args);
+ }
+ return $val;
}
- function force_login(&$page)
+ public function force_login(PlatalPage &$page)
{
+ header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
if (S::logged()) {
- $page->changeTpl('password_prompt_logged.tpl');
+ $page->changeTpl('core/password_prompt_logged.tpl');
$page->addJsLink('do_challenge_response_logged.js');
} else {
- $page->changeTpl('password_prompt.tpl');
+ $page->changeTpl('core/password_prompt.tpl');
$page->addJsLink('do_challenge_response.js');
- }
+ }
+ $page->assign('platal', $this);
$page->run();
}
- function run()
+ public function run()
{
global $page;
- new_skinned_page('index.tpl');
+ new_skinned_page('platal/index.tpl');
if (empty($this->path)) {
$this->path = 'index';
$page->run();
}
- function on_subscribe($forlife, $uid, $promo, $pass)
+ public function on_subscribe($forlife, $uid, $promo, $pass)
{
$args = func_get_args();
foreach ($this->__mods as $mod) {
}
}
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
?>