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, $session, $globals;
43 $globalclass = PL_GLOBALS_CLASS
;
44 $globals = new $globalclass();
46 $sessionclass = PL_SESSION_CLASS
;
47 $session = new $sessionclass();
48 if (!$session->startAvailableAuth()) {
49 Platal
::page()->trigError('Données d\'authentification invalide.');
52 $modules = func_get_args();
53 if (isset($modules[0]) && is_array($modules[0])) {
54 $modules = $modules[0];
56 $this->path
= trim(Get
::_get('n', null
), '/');
58 $this->__mods
= array();
59 $this->__hooks
= array();
61 array_unshift($modules, 'core');
62 foreach ($modules as $module) {
63 $module = strtolower($module);
64 $this->__mods
[$module] = $m = PLModule
::factory($module);
65 $this->__hooks
= $m->handlers() +
$this->__hooks
;
68 if ($globals->mode
== '') {
69 pl_redirect('index.html');
73 public function pl_self($n = null
)
79 return join('/', array_slice($this->argv
, 0, $n +
1));
81 if ($n <= -count($this->argv
))
82 return $this->argv
[0];
84 return join('/', array_slice($this->argv
, 0, $n));
87 protected function find_hook()
92 if (array_key_exists($p, $this->__hooks
))
95 $p = substr($p, 0, strrpos($p, '/'));
98 if (empty($this->__hooks
[$p])) {
102 $hook = $this->__hooks
[$p];
104 if (!is_callable($hook['hook'])) {
108 $this->https
= ($hook['type'] & NO_HTTPS
) ? false
: true
;
109 $this->argv
= explode('/', substr($this->path
, strlen($p)));
115 protected function find_nearest_key($key, array &$array)
117 $keys = array_keys($array);
118 if (in_array($key, $keys)) {
122 if (($pos = strpos($key, '.php')) !== false
) {
123 $key = substr($key, 0, $pos);
126 $has_end = in_array("#final#", $keys);
127 if (strlen($key) > 24 && $has_end) {
131 foreach ($keys as $k) {
132 if ($k == "#final#") {
135 $lev = levenshtein($key, $k);
137 if ((!isset($val) ||
$lev < $val)
138 && ($lev <= strlen($k)/2 ||
strpos($k, $key) !== false ||
strpos($key, $k) !== false
)) {
143 if (!isset($best) && $has_end) {
145 } else if (isset($best)) {
151 public function near_hook()
155 foreach ($this->__hooks
as $hook=>$handler) {
156 if (!$this->check_perms($handler['perms'])) {
159 $parts = split('/', $hook);
161 foreach ($parts as $part) {
162 if (!isset($place[$part])) {
163 $place[$part] = array();
165 $place =& $place[$part];
167 $leaf = $parts[count($parts)-1];
168 if (!isset($leafs[$leaf])) {
169 $leafs[$leaf] = $hook;
170 } else if (is_array($leafs[$leaf])) {
171 $leafs[$leaf][] = $hook;
173 $leafs[$leaf] = array($hook, $leafs[$leaf]);
175 $place["#final#"] = array();
178 // search for the nearest full path
179 $p = split('/', $this->path
);
183 if (!isset($ended)) {
184 $key = $this->find_nearest_key($k, $place);
188 if ($key == "#final#") {
189 if (!array_key_exists($link, $this->__hooks
)) {
196 if (!is_null($key)) {
201 $place =& $place[$key];
207 if ($link == $this->path
) {
210 if ($link && levenshtein($link, $this->path
) < strlen($link)/3) {
214 // search for missing namespace (the given name is a leaf)
215 $leaf = array_shift($p);
216 $args = count($p) ?
'/' . implode('/', $p) : '';
217 if (isset($leafs[$leaf]) && !is_array($leafs[$leaf]) && $leafs[$leaf] != $this->path
) {
218 return $leafs[$leaf] . $args;
222 foreach ($leafs as $k=>&$path) {
223 if (is_array($path)) {
226 $lev = levenshtein($leaf, $k);
228 if ((!isset($val) ||
$lev < $val)
229 && ($lev <= strlen($k)/2 ||
strpos($k, $leaf) !== false ||
strpos($leaf, $k) !== false
)) {
234 return $best == null ?
( $link ?
$link : null
) : $best . $args;
237 protected function check_perms($perms)
239 if (!$perms) { // No perms, no check
242 $s_perms = S
::v('perms');
243 return $s_perms->hasFlagCombination($perms);
246 private function call_hook(PlPage
&$page)
248 $hook = $this->find_hook();
252 global $globals, $session;
253 if ($this->https
&& !@$_SERVER['HTTPS'] && $globals->core
->secure_domain
) {
254 http_redirect('https://' . $globals->core
->secure_domain
. $_SERVER['REQUEST_URI']);
260 if ($hook['auth'] > S
::v('auth', AUTH_PUBLIC
)) {
261 if ($hook['type'] & DO_AUTH
) {
262 if (!$session->start($hook['auth'])) {
263 $this->force_login($page);
269 if ($hook['auth'] != AUTH_PUBLIC
&& !$this->check_perms($hook['perms'])) {
271 $page->trigWarning('Tu accèdes à cette page car tu es administrateur du site.');
277 $val = call_user_func_array($hook['hook'], $args);
278 if ($val == PL_DO_AUTH
) {
279 // The handler need a better auth with the current args
280 if (!$session->start($session->loggedLevel())) {
281 $this->force_login($page);
283 $val = call_user_func_array($hook['hook'], $args);
288 /** Show the authentication form.
290 abstract public function force_login(PlPage
& $page);
292 public function run()
294 $page =& self
::page();
296 if (empty($this->path
)) {
297 $this->path
= 'index';
300 $page->assign('platal', $this);
301 switch ($this->call_hook($page)) {
303 $this->__mods
['core']->handler_403($page);
307 $this->__mods
['core']->handler_404($page);
311 $page->assign('platal', $this);
315 public function error403()
317 $page =& self
::page();
319 $this->__mods
['core']->handler_403($page);
320 $page->assign('platal', $this);
324 public function error404()
326 $page =& self
::page();
328 $this->__mods
['core']->handler_404($page);
329 $page->assign('platal', $this);
333 public static function load($modname, $include = null
)
336 $modname = strtolower($modname);
337 if (isset($platal->__mods
[$modname])) {
338 if (is_null($include)) {
341 $platal->__mods
[$modname]->load($include);
343 if (is_null($include)) {
344 require_once PLModule
::path($modname) . '.php';
346 require_once PLModule
::path($modname) . '/' . $include;
351 static public function &page()
354 if (is_null(self
::$_page)) {
355 $pageclass = PL_PAGE_CLASS
;
356 self
::$_page = new $pageclass();
361 static public function &session()
367 static public function &globals()
374 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: