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1 | <?php |
2 | /*************************************************************************** |
3 | * Copyright (C) 2003-2006 Polytechnique.org * |
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 | |
22 | define('PL_OK', 0); |
23 | define('PL_NEEDLOGIN', 1); |
24 | define('PL_FORBIDDEN', 403); |
25 | define('PL_NOT_FOUND', 404); |
26 | |
27 | class Platal |
28 | { |
29 | var $__mods; |
30 | var $__hooks; |
31 | |
32 | var $path; |
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33 | var $argv; |
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34 | |
35 | function Platal() |
36 | { |
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37 | $modules = func_get_args(); |
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38 | $this->path = trim(Get::_get('p', null), '/'); |
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39 | |
40 | $this->__mods = array(); |
41 | $this->__hooks = array(); |
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42 | |
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43 | foreach ($modules as $module) { |
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44 | $m =& PLModule::factory($this, $module); |
45 | $this->__mods[$module] =& $m; |
46 | $this->__hooks += $m->handlers(); |
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47 | } |
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48 | } |
49 | |
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50 | function find_hook() |
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51 | { |
52 | $p = $this->path; |
53 | |
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54 | while ($p) { |
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55 | if (array_key_exists($p, $this->__hooks)) |
56 | break; |
57 | |
58 | $p = substr($p, 0, strrpos($p, '/')); |
59 | } |
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60 | |
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61 | if (empty($this->__hooks[$p])) { |
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62 | return null; |
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63 | } |
64 | |
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65 | $hook = $this->__hooks[$p]; |
66 | |
67 | if (!is_callable($hook['hook'])) { |
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68 | return null; |
69 | } |
70 | |
71 | $this->argv = explode('/', substr($this->path, strlen($p))); |
72 | $this->argv[0] = $p; |
73 | |
74 | return $hook; |
75 | } |
76 | |
77 | function call_hook(&$page) |
78 | { |
79 | $hook = $this->find_hook(); |
80 | |
81 | if (is_null($hook)) { |
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82 | return PL_NOT_FOUND; |
83 | } |
84 | |
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85 | $args = $this->argv; |
86 | $args[0] = &$page; |
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87 | |
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88 | if ($hook['auth'] > Session::get('auth', AUTH_PUBLIC)) { |
89 | $_SESSION['session']->doAuth($page); |
90 | } |
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91 | |
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92 | return call_user_func_array($hook['hook'], $args); |
93 | } |
94 | |
95 | function run() |
96 | { |
97 | global $page; |
98 | |
99 | new_skinned_page('index.tpl', AUTH_PUBLIC); |
100 | |
101 | if (empty($this->path)) { |
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102 | $this->__mods['core']->handler_index($page); |
103 | } else |
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104 | switch ($this->call_hook($page)) { |
105 | case PL_FORBIDDEN: |
106 | $this->__mods['core']->handler_403($page); |
107 | break; |
108 | |
109 | case PL_NOT_FOUND: |
110 | $this->__mods['core']->handler_404($page); |
111 | break; |
112 | } |
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113 | $page->assign_by_ref('platal', $this); |
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114 | $page->run(); |
115 | } |
116 | } |
117 | |
118 | ?> |