60c7902b52d9e90e781210a37ff0d5a749b56c37
2 /***************************************************************************
3 * Copyright (C) 2003-2008 Polytechnique.org *
4 * http://opensource.polytechnique.org/ *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the Free Software *
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
20 ***************************************************************************/
22 define('PL_DO_AUTH', 300);
23 define('PL_FORBIDDEN', 403);
24 define('PL_NOT_FOUND', 404);
37 static private $_page = null
;
39 public function __construct()
41 global $platal, $globals, $session;
43 $globalclass = PL_GLOBALS_CLASS
;
44 $globals = new $globalclass();
45 $sessionclass = PL_SESSION_CLASS
;
46 $session = new $sessionclass();
48 $modules = func_get_args();
49 if (is_array($modules[0])) {
50 $modules = $modules[0];
52 $this->path
= trim(Get
::_get('n', null
), '/');
54 $this->__mods
= array();
55 $this->__hooks
= array();
57 array_unshift($modules, 'core');
58 foreach ($modules as $module) {
59 $module = strtolower($module);
60 $this->__mods
[$module] = $m = PLModule
::factory($module);
61 $this->__hooks +
= $m->handlers();
65 if ($globals->mode
== '') {
66 pl_redirect('index.html');
70 public function pl_self($n = null
)
76 return join('/', array_slice($this->argv
, 0, $n +
1));
78 if ($n <= -count($this->argv
))
79 return $this->argv
[0];
81 return join('/', array_slice($this->argv
, 0, $n));
84 protected function find_hook()
89 if (array_key_exists($p, $this->__hooks
))
92 $p = substr($p, 0, strrpos($p, '/'));
95 if (empty($this->__hooks
[$p])) {
99 $hook = $this->__hooks
[$p];
101 if (!is_callable($hook['hook'])) {
105 $this->https
= ($hook['type'] & NO_HTTPS
) ? false
: true
;
106 $this->argv
= explode('/', substr($this->path
, strlen($p)));
112 protected function find_nearest_key($key, array &$array)
114 $keys = array_keys($array);
115 if (in_array($key, $keys)) {
119 if (($pos = strpos($key, '.php')) !== false
) {
120 $key = substr($key, 0, $pos);
123 $has_end = in_array("#final#", $keys);
124 if (strlen($key) > 24 && $has_end) {
128 foreach ($keys as $k) {
129 if ($k == "#final#") {
132 $lev = levenshtein($key, $k);
134 if ((!isset($val) ||
$lev < $val)
135 && ($lev <= strlen($k)/2 ||
strpos($k, $key) !== false ||
strpos($key, $k) !== false
)) {
140 if (!isset($best) && $has_end) {
142 } else if (isset($best)) {
148 public function near_hook()
152 foreach ($this->__hooks
as $hook=>$handler) {
153 if (!$this->check_perms($handler['perms'])) {
156 $parts = split('/', $hook);
158 foreach ($parts as $part) {
159 if (!isset($place[$part])) {
160 $place[$part] = array();
162 $place =& $place[$part];
164 $leaf = $parts[count($parts)-1];
165 if (!isset($leafs[$leaf])) {
166 $leafs[$leaf] = $hook;
167 } else if (is_array($leafs[$leaf])) {
168 $leafs[$leaf][] = $hook;
170 $leafs[$leaf] = array($hook, $leafs[$leaf]);
172 $place["#final#"] = array();
175 // search for the nearest full path
176 $p = split('/', $this->path
);
180 if (!isset($ended)) {
181 $key = $this->find_nearest_key($k, $place);
185 if ($key == "#final#") {
186 if (!array_key_exists($link, $this->__hooks
)) {
193 if (!is_null($key)) {
198 $place =& $place[$key];
204 if ($link == $this->path
) {
207 if ($link && levenshtein($link, $this->path
) < strlen($link)/3) {
211 // search for missing namespace (the given name is a leaf)
212 $leaf = array_shift($p);
213 $args = count($p) ?
'/' . implode('/', $p) : '';
214 if (isset($leafs[$leaf]) && !is_array($leafs[$leaf]) && $leafs[$leaf] != $this->path
) {
215 return $leafs[$leaf] . $args;
219 foreach ($leafs as $k=>&$path) {
220 if (is_array($path)) {
223 $lev = levenshtein($leaf, $k);
225 if ((!isset($val) ||
$lev < $val)
226 && ($lev <= strlen($k)/2 ||
strpos($k, $leaf) !== false ||
strpos($leaf, $k) !== false
)) {
231 return $best == null ?
( $link ?
$link : null
) : $best . $args;
234 protected function check_perms($perms)
236 if (!$perms) { // No perms, no check
239 $s_perms = S
::v('perms');
240 return $s_perms->hasFlagCombination($perms);
243 private function call_hook(PlPage
&$page)
245 $hook = $this->find_hook();
249 global $globals, $session;
250 if ($this->https
&& !$_SERVER['HTTPS'] && $globals->core
->secure_domain
) {
251 http_redirect('https://' . $globals->core
->secure_domain
. $_SERVER['REQUEST_URI']);
257 if ($hook['auth'] > S
::v('auth', AUTH_PUBLIC
)) {
258 if ($hook['type'] & DO_AUTH
) {
259 if (!$session->doAuth()) {
260 $this->force_login($page);
266 if ($hook['auth'] != AUTH_PUBLIC
&& !$this->check_perms($hook['perms'])) {
270 $val = call_user_func_array($hook['hook'], $args);
271 if ($val == PL_DO_AUTH
) {
272 // The handler need a better auth with the current args
273 if (!$session->doAuth()) {
274 $this->force_login($page);
276 $val = call_user_func_array($hook['hook'], $args);
281 public function force_login(PlPage
&$page)
283 header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
285 $page->changeTpl('core/password_prompt_logged.tpl');
286 $page->addJsLink('do_challenge_response_logged.js');
288 $page->changeTpl('core/password_prompt.tpl');
289 $page->addJsLink('do_challenge_response.js');
291 $page->assign('platal', $this);
295 public function run()
297 $page =& self
::page();
299 if (empty($this->path
)) {
300 $this->path
= 'index';
303 $page->assign('platal', $this);
304 switch ($this->call_hook($page)) {
306 $this->__mods
['core']->handler_403($page);
310 $this->__mods
['core']->handler_404($page);
314 $page->assign('platal', $this);
318 public function on_subscribe($forlife, $uid, $promo, $pass)
320 $args = func_get_args();
321 foreach ($this->__mods
as $mod) {
322 if (!is_callable($mod, 'on_subscribe'))
324 call_user_func_array(array($mod, 'on_subscribe'), $args);
328 static public function &page()
330 global $platal, $page;
331 if (is_null(self
::$_page)) {
332 $pageclass = PL_PAGE_CLASS
;
333 $page = new $pageclass();
334 self
::$_page =& $page;
340 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: