| 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_FORBIDDEN', 403); |
| 23 | define('PL_NOT_FOUND', 404); |
| 24 | |
| 25 | class Platal |
| 26 | { |
| 27 | var $__mods; |
| 28 | var $__hooks; |
| 29 | |
| 30 | var $ns; |
| 31 | var $path; |
| 32 | var $argv; |
| 33 | |
| 34 | function Platal() |
| 35 | { |
| 36 | $modules = func_get_args(); |
| 37 | $this->path = trim(Get::_get('p', null), '/'); |
| 38 | |
| 39 | $this->__mods = array(); |
| 40 | $this->__hooks = array(); |
| 41 | |
| 42 | array_unshift($modules, 'core'); |
| 43 | foreach ($modules as $module) { |
| 44 | $this->__mods[$module] = $m = PLModule::factory($module); |
| 45 | $this->__hooks += $m->handlers(); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | function pl_self($n = null) |
| 50 | { |
| 51 | if (is_null($n)) |
| 52 | return $this->path; |
| 53 | |
| 54 | if ($n >= 0) |
| 55 | return join('/', array_slice($this->argv, 0, $n + 1)); |
| 56 | |
| 57 | if ($n <= -count($this->argv)) |
| 58 | return $this->argv[0]; |
| 59 | |
| 60 | return join('/', array_slice($this->argv, 0, $n)); |
| 61 | } |
| 62 | |
| 63 | function find_hook() |
| 64 | { |
| 65 | $p = $this->path; |
| 66 | |
| 67 | while ($p) { |
| 68 | if (array_key_exists($p, $this->__hooks)) |
| 69 | break; |
| 70 | |
| 71 | $p = substr($p, 0, strrpos($p, '/')); |
| 72 | } |
| 73 | |
| 74 | if (empty($this->__hooks[$p])) { |
| 75 | return null; |
| 76 | } |
| 77 | |
| 78 | $hook = $this->__hooks[$p]; |
| 79 | |
| 80 | if (!is_callable($hook['hook'])) { |
| 81 | return null; |
| 82 | } |
| 83 | |
| 84 | $this->argv = explode('/', substr($this->path, strlen($p))); |
| 85 | $this->argv[0] = $p; |
| 86 | |
| 87 | return $hook; |
| 88 | } |
| 89 | |
| 90 | function call_hook(&$page) |
| 91 | { |
| 92 | $hook = $this->find_hook(); |
| 93 | |
| 94 | if (is_null($hook)) { |
| 95 | return PL_NOT_FOUND; |
| 96 | } |
| 97 | |
| 98 | $args = $this->argv; |
| 99 | $args[0] = &$page; |
| 100 | |
| 101 | if ($hook['auth'] > S::v('auth', AUTH_PUBLIC)) { |
| 102 | // FIXME: don't use 'session' object anymore |
| 103 | if (!$_SESSION['session']->doAuth()) { |
| 104 | $this->force_login($page); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | return call_user_func_array($hook['hook'], $args); |
| 109 | } |
| 110 | |
| 111 | function force_login(&$page) |
| 112 | { |
| 113 | if (S::logged() and !$new_name) { |
| 114 | $page->changeTpl('password_prompt_logged.tpl'); |
| 115 | $page->addJsLink('javascript/do_challenge_response_logged.js'); |
| 116 | } else { |
| 117 | $page->changeTpl('password_prompt.tpl'); |
| 118 | $page->addJsLink('javascript/do_challenge_response.js'); |
| 119 | } |
| 120 | $page->run(); |
| 121 | } |
| 122 | |
| 123 | function run() |
| 124 | { |
| 125 | global $page; |
| 126 | |
| 127 | new_skinned_page('index.tpl'); |
| 128 | |
| 129 | if (empty($this->path)) { |
| 130 | $this->path = 'index'; |
| 131 | } |
| 132 | |
| 133 | switch ($this->call_hook($page)) { |
| 134 | case PL_FORBIDDEN: |
| 135 | $this->__mods['core']->handler_403($page); |
| 136 | break; |
| 137 | |
| 138 | case PL_NOT_FOUND: |
| 139 | $this->__mods['core']->handler_404($page); |
| 140 | break; |
| 141 | } |
| 142 | $page->assign_by_ref('platal', $this); |
| 143 | $page->run(); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | ?> |