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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 | <?php/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- *//*# ***** BEGIN LICENSE BLOCK *****# This file is part of Plume Framework, a simple PHP Application Framework.# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.## Plume Framework is free software; you can redistribute it and/or modify# it under the terms of the GNU Lesser General Public License as published by# the Free Software Foundation; either version 2.1 of the License, or# (at your option) any later version.## Plume Framework is distributed in the hope that it will be useful,# but WITHOUT ANY WARRANTY; without even the implied warranty of# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the# GNU Lesser General Public License for more details.## You should have received a copy of the GNU Lesser General Public License# along with this program; if not, write to the Free Software# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA## ***** END LICENSE BLOCK ***** */class Pluf_Dispatcher{ /** * The unique method to call. * * @param string Query string ('') */ public static function dispatch($query='') { try { $query = preg_replace('#^(/)+#', '/', '/'.$query); $req = new Pluf_HTTP_Request($query); $middleware = array(); foreach (Pluf::f('middleware_classes', array()) as $mw) { $middleware[] = new $mw(); } $skip = false; foreach ($middleware as $mw) { if (method_exists($mw, 'process_request')) { $response = $mw->process_request($req); if ($response !== false) { // $response is a response if (Pluf::f('pluf_runtime_header', false)) { $response->headers['X-Perf-Runtime'] = sprintf('%.5f', (microtime(true) - $GLOBALS['_PX_starttime'])); } $response->render($req->method != 'HEAD' and !defined('IN_UNIT_TESTS')); $skip = true; break; } } } if ($skip === false) { $response = self::match($req); if (!empty($req->response_vary_on)) { $response->headers['Vary'] = $req->response_vary_on; } $middleware = array_reverse($middleware); foreach ($middleware as $mw) { if (method_exists($mw, 'process_response')) { $response = $mw->process_response($req, $response); } } if (Pluf::f('pluf_runtime_header', false)) { $response->headers['X-Perf-Runtime'] = sprintf('%.5f', (microtime(true) - $GLOBALS['_PX_starttime'])); } $response->render($req->method != 'HEAD' and !defined('IN_UNIT_TESTS')); } } catch (Exception $e) { if (Pluf::f('debug', false) == true) { $response = new Pluf_HTTP_Response_ServerErrorDebug($e); } else { $response = new Pluf_HTTP_Response_ServerError($e); } $response->render($req->method != 'HEAD' and !defined('IN_UNIT_TESTS')); if (defined('IN_UNIT_TESTS')) { throw $e; } } /** * [signal] * * Pluf_Dispatcher::postDispatch * * [sender] * * Pluf_Dispatcher * * [description] * * This signal is sent after the rendering of a request. This * means you cannot affect the response but you can use this * hook to do some cleaning. * * [parameters] * * array('request' => $request, * 'response' => $response) * */ $params = array('request' => $req, 'response' => $response); Pluf_Signal::send('Pluf_Dispatcher::postDispatch', 'Pluf_Dispatcher', $params); return array($req, $response); } /** * Match a query against the actions controllers. * * @see Pluf_HTTP_URL_reverse * * @param Pluf_HTTP_Request Request object * @return Pluf_HTTP_Response Response object */ public static function match($req, $firstpass=true) { try { $views = $GLOBALS['_PX_views']; $to_match = $req->query; $n = count($views); $i = 0; while ($i<$n) { $ctl = $views[$i]; if (preg_match($ctl['regex'], $to_match, $match)) { if (!isset($ctl['sub'])) { return self::send($req, $ctl, $match); } else { // Go in the subtree $views = $ctl['sub']; $i = 0; $n = count($views); $to_match = substr($to_match, strlen($match[0])); continue; } } $i++; } } catch (Pluf_HTTP_Error404 $e) { // Need to add a 404 error handler // something like Pluf::f('404_handler', 'class::method') } if ($firstpass and substr($req->query, -1) != '/') { $req->query .= '/'; $res = self::match($req, false); if ($res->status_code != 404) { Pluf::loadFunction('Pluf_HTTP_URL_urlForView'); $name = (isset($req->view[0]['name'])) ? $req->view[0]['name'] : $req->view[0]['model'].'::'.$req->view[0]['method']; $url = Pluf_HTTP_URL_urlForView($name, array_slice($req->view[1], 1)); return new Pluf_HTTP_Response_Redirect($url, 301); } } return new Pluf_HTTP_Response_NotFound($req); } /** * Call the view found by self::match. * * The called view can throw an exception. This is fine and * normal. * * @param Pluf_HTTP_Request Current request * @param array The url definition matching the request * @param array The match found by preg_match * @return Pluf_HTTP_Response Response object */ public static function send($req, $ctl, $match) { $req->view = array($ctl, $match); $m = new $ctl['model'](); if (isset($m->{$ctl['method'].'_precond'})) { // Here we have preconditions to respects. If the "answer" // is true, then ok go ahead, if not then it a response so // return it or an exception so let it go. $preconds = $m->{$ctl['method'].'_precond'}; if (!is_array($preconds)) { $preconds = array($preconds); } foreach ($preconds as $precond) { if (!is_array($precond)) { $res = call_user_func_array( explode('::', $precond), array(&$req) ); } else { $res = call_user_func_array( explode('::', $precond[0]), array_merge(array(&$req), array_slice($precond, 1)) ); } if ($res !== true) { return $res; } } } if (!isset($ctl['params'])) { return $m->$ctl['method']($req, $match); } else { return $m->$ctl['method']($req, $match, $ctl['params']); } } /** * Load the controllers. * * @param string File including the views. * @return bool Success. */ public static function loadControllers($file) { if (file_exists($file)) { $GLOBALS['_PX_views'] = include $file; return true; } return false; }} |
