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1 | <?php |
2 | /*************************************************************************** |
5ddeb07c |
3 | * Copyright (C) 2003-2007 Polytechnique.org * |
b62f8858 |
4 | * http://opensource.polytechnique.org/ * |
5 | * * |
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. * |
10 | * * |
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. * |
15 | * * |
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 * |
18 | * Foundation, Inc., * |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
20 | ***************************************************************************/ |
21 | |
a0f05027 |
22 | define('PL_DO_AUTH', 300); |
b62f8858 |
23 | define('PL_FORBIDDEN', 403); |
24 | define('PL_NOT_FOUND', 404); |
25 | |
26 | class Platal |
27 | { |
2b1ee50b |
28 | private $__mods; |
29 | private $__hooks; |
b62f8858 |
30 | |
2b1ee50b |
31 | public $ns; |
32 | public $path; |
33 | public $argv; |
b62f8858 |
34 | |
2b1ee50b |
35 | public function __construct() |
b62f8858 |
36 | { |
e77c7ea2 |
37 | $modules = func_get_args(); |
2b1ee50b |
38 | if (is_array($modules[0])) { |
39 | $modules = $modules[0]; |
40 | } |
27472b85 |
41 | $this->path = trim(Get::_get('n', null), '/'); |
b62f8858 |
42 | |
43 | $this->__mods = array(); |
44 | $this->__hooks = array(); |
b62f8858 |
45 | |
5de0b7e1 |
46 | array_unshift($modules, 'core'); |
e77c7ea2 |
47 | foreach ($modules as $module) { |
c807f50d |
48 | $this->__mods[$module] = $m = PLModule::factory($module); |
b62f8858 |
49 | $this->__hooks += $m->handlers(); |
b62f8858 |
50 | } |
b62f8858 |
51 | } |
52 | |
2b1ee50b |
53 | public function pl_self($n = null) |
d1ebc57a |
54 | { |
55 | if (is_null($n)) |
56 | return $this->path; |
57 | |
58 | if ($n >= 0) |
59 | return join('/', array_slice($this->argv, 0, $n + 1)); |
60 | |
61 | if ($n <= -count($this->argv)) |
62 | return $this->argv[0]; |
63 | |
64 | return join('/', array_slice($this->argv, 0, $n)); |
65 | } |
66 | |
2b1ee50b |
67 | protected function find_hook() |
b62f8858 |
68 | { |
69 | $p = $this->path; |
70 | |
4a5fb34b |
71 | while ($p) { |
b62f8858 |
72 | if (array_key_exists($p, $this->__hooks)) |
73 | break; |
74 | |
75 | $p = substr($p, 0, strrpos($p, '/')); |
76 | } |
7c6e0aff |
77 | |
b62f8858 |
78 | if (empty($this->__hooks[$p])) { |
7c6e0aff |
79 | return null; |
b62f8858 |
80 | } |
81 | |
15a094c0 |
82 | $hook = $this->__hooks[$p]; |
83 | |
84 | if (!is_callable($hook['hook'])) { |
7c6e0aff |
85 | return null; |
86 | } |
87 | |
88 | $this->argv = explode('/', substr($this->path, strlen($p))); |
89 | $this->argv[0] = $p; |
90 | |
91 | return $hook; |
92 | } |
93 | |
2b1ee50b |
94 | protected function find_nearest_key($key, array &$array) |
409de7a7 |
95 | { |
0d602b8f |
96 | $keys = array_keys($array); |
409de7a7 |
97 | if (in_array($key, $keys)) { |
98 | return $key; |
99 | } |
0d602b8f |
100 | |
338a5934 |
101 | if (($pos = strpos($key, '.php')) !== false) { |
102 | $key = substr($key, 0, $pos); |
103 | } |
104 | |
0d602b8f |
105 | $has_end = in_array("#final#", $keys); |
106 | if (strlen($key) > 24 && $has_end) { |
107 | return "#final#"; |
108 | } |
109 | |
409de7a7 |
110 | foreach ($keys as $k) { |
0d602b8f |
111 | if ($k == "#final#") { |
112 | continue; |
113 | } |
951db8e3 |
114 | $lev = levenshtein($key, $k); |
0d602b8f |
115 | if ((!isset($val) || $lev < $val) && $lev <= (strlen($k)*2)/3) { |
951db8e3 |
116 | $val = $lev; |
117 | $best = $k; |
409de7a7 |
118 | } |
119 | } |
0d602b8f |
120 | if (!isset($best) && $has_end) { |
409de7a7 |
121 | return "#final#"; |
951db8e3 |
122 | } else { |
123 | return $best; |
409de7a7 |
124 | } |
125 | return null; |
126 | } |
127 | |
02838718 |
128 | public function near_hook() |
409de7a7 |
129 | { |
130 | $hooks = array(); |
131 | foreach ($this->__hooks as $hook=>$handler) { |
0d602b8f |
132 | if (!empty($handler['perms']) && $handler['perms'] != S::v('perms')) { |
133 | continue; |
134 | } |
409de7a7 |
135 | $parts = split('/', $hook); |
136 | $place =& $hooks; |
137 | foreach ($parts as $part) { |
138 | if (!isset($place[$part])) { |
139 | $place[$part] = array(); |
140 | } |
141 | $place =& $place[$part]; |
142 | } |
143 | $place["#final#"] = array(); |
144 | } |
145 | |
146 | $p = split('/', $this->path); |
147 | $place =& $hooks; |
148 | $link = ''; |
409de7a7 |
149 | foreach ($p as $k) { |
0d602b8f |
150 | if (!isset($ended)) { |
409de7a7 |
151 | $key = $this->find_nearest_key($k, $place); |
6b8d257b |
152 | } else { |
153 | $key = $k; |
409de7a7 |
154 | } |
6b8d257b |
155 | if ($key == "#final#") { |
6b8d257b |
156 | if (!array_key_exists($link, $this->__hooks)) { |
157 | return null; |
158 | } |
0d602b8f |
159 | $key = $k; |
160 | $ended = true; |
409de7a7 |
161 | } |
162 | if (!is_null($key)) { |
163 | if (!empty($link)) { |
164 | $link .= '/'; |
165 | } |
166 | $link .= $key; |
167 | $place =& $place[$key]; |
168 | } else { |
169 | return null; |
170 | } |
171 | } |
338a5934 |
172 | if ($link != $this->path) { |
173 | return $link; |
174 | } |
175 | return null; |
409de7a7 |
176 | } |
177 | |
bf517daf |
178 | protected function check_perms($perms) |
179 | { |
180 | if (!$perms) { // No perms, no check |
181 | return true; |
182 | } |
183 | $s_perms = S::v('perms'); |
184 | |
185 | // hook perms syntax is |
186 | $perms = explode(',', $perms); |
187 | foreach ($perms as $perm) |
188 | { |
189 | $ok = true; |
190 | $rights = explode(':', $perm); |
191 | foreach ($rights as $right) { |
192 | if (($right{0} == '!' && $s_perms->hasFlag(substr($right, 1))) || !$s_perms->hasFlag($right)) { |
193 | $ok = false; |
194 | } |
195 | } |
196 | if ($ok) { |
197 | return true; |
198 | } |
199 | } |
200 | return false; |
201 | } |
202 | |
2b1ee50b |
203 | private function call_hook(PlatalPage &$page) |
7c6e0aff |
204 | { |
205 | $hook = $this->find_hook(); |
409de7a7 |
206 | if (empty($hook)) { |
15a094c0 |
207 | return PL_NOT_FOUND; |
208 | } |
209 | |
7c6e0aff |
210 | $args = $this->argv; |
211 | $args[0] = &$page; |
b62f8858 |
212 | |
cab08090 |
213 | if ($hook['auth'] > S::v('auth', AUTH_PUBLIC)) { |
94c63478 |
214 | if ($hook['type'] == DO_AUTH) { |
215 | global $globals; |
216 | |
217 | if (!call_user_func(array($globals->session, 'doAuth'))) { |
218 | $this->force_login($page); |
219 | } |
220 | } else { |
221 | return PL_FORBIDDEN; |
63528107 |
222 | } |
b62f8858 |
223 | } |
bf517daf |
224 | if ($hook['auth'] != AUTH_PUBLIC && !$this->check_perms($hook['perms'])) { |
5777e7fc |
225 | return PL_FORBIDDEN; |
226 | } |
227 | |
a0f05027 |
228 | $val = call_user_func_array($hook['hook'], $args); |
229 | if ($val == PL_DO_AUTH) { |
604d5375 |
230 | global $globals; |
a0f05027 |
231 | // The handler need a better auth with the current args |
232 | if (!call_user_func(array($globals->session, 'doAuth'))) { |
233 | $this->force_login($page); |
234 | } |
235 | $val = call_user_func_array($hook['hook'], $args); |
236 | } |
237 | return $val; |
b62f8858 |
238 | } |
239 | |
862a62fb |
240 | public function force_login(PlatalPage &$page) |
63528107 |
241 | { |
aa5f19ae |
242 | if (S::logged()) { |
8b1f8e12 |
243 | $page->changeTpl('core/password_prompt_logged.tpl'); |
c99ef281 |
244 | $page->addJsLink('do_challenge_response_logged.js'); |
63528107 |
245 | } else { |
8b1f8e12 |
246 | $page->changeTpl('core/password_prompt.tpl'); |
c99ef281 |
247 | $page->addJsLink('do_challenge_response.js'); |
1f6a041e |
248 | } |
249 | $page->assign('platal', $this); |
63528107 |
250 | $page->run(); |
251 | } |
252 | |
2b1ee50b |
253 | public function run() |
b62f8858 |
254 | { |
255 | global $page; |
256 | |
8b1f8e12 |
257 | new_skinned_page('platal/index.tpl'); |
b62f8858 |
258 | |
259 | if (empty($this->path)) { |
c9178c75 |
260 | $this->path = 'index'; |
261 | } |
262 | |
e979cd2b |
263 | $page->assign('platal', $this); |
b62f8858 |
264 | switch ($this->call_hook($page)) { |
265 | case PL_FORBIDDEN: |
266 | $this->__mods['core']->handler_403($page); |
267 | break; |
268 | |
269 | case PL_NOT_FOUND: |
270 | $this->__mods['core']->handler_404($page); |
271 | break; |
272 | } |
e979cd2b |
273 | |
274 | $page->assign('platal', $this); |
b62f8858 |
275 | $page->run(); |
276 | } |
8d8f7607 |
277 | |
2b1ee50b |
278 | private function on_subscribe($forlife, $uid, $promo, $pass) |
8d8f7607 |
279 | { |
280 | $args = func_get_args(); |
281 | foreach ($this->__mods as $mod) { |
282 | if (!is_callable($mod, 'on_subscribe')) |
283 | continue; |
284 | call_user_func_array(array($mod, 'on_subscribe'), $args); |
285 | } |
286 | } |
b62f8858 |
287 | } |
288 | |
a7de4ef7 |
289 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
b62f8858 |
290 | ?> |