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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  *
  6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  * @package Nette\Http
 11:  */
 12: 
 13: 
 14: 
 15: /**
 16:  * Current HTTP request factory.
 17:  *
 18:  * @author     David Grudl
 19:  * @package Nette\Http
 20:  */
 21: class NHttpRequestFactory extends NObject
 22: {
 23:     /** @internal */
 24:     const NONCHARS = '#[^\x09\x0A\x0D\x20-\x7E\xA0-\x{10FFFF}]#u';
 25: 
 26:     /** @var array */
 27:     public $urlFilters = array(
 28:         'path' => array('#/{2,}#' => '/'), // '%20' => ''
 29:         'url' => array(), // '#[.,)]\z#' => ''
 30:     );
 31: 
 32:     /** @var string */
 33:     private $encoding;
 34: 
 35: 
 36:     /**
 37:      * @param  string
 38:      * @return self
 39:      */
 40:     public function setEncoding($encoding)
 41:     {
 42:         $this->encoding = $encoding;
 43:         return $this;
 44:     }
 45: 
 46: 
 47:     /**
 48:      * Creates current HttpRequest object.
 49:      * @return NHttpRequest
 50:      */
 51:     public function createHttpRequest()
 52:     {
 53:         // DETECTS URI, base path and script path of the request.
 54:         $url = new NUrlScript;
 55:         $url->scheme = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'off') ? 'https' : 'http';
 56:         $url->user = isset($_SERVER['PHP_AUTH_USER']) ? $_SERVER['PHP_AUTH_USER'] : '';
 57:         $url->password = isset($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : '';
 58: 
 59:         // host & port
 60:         if ((isset($_SERVER[$tmp = 'HTTP_HOST']) || isset($_SERVER[$tmp = 'SERVER_NAME']))
 61:             && preg_match('#^([a-z0-9_.-]+|\[[a-fA-F0-9:]+\])(:\d+)?\z#', $_SERVER[$tmp], $pair)
 62:         ) {
 63:             $url->host = strtolower($pair[1]);
 64:             if (isset($pair[2])) {
 65:                 $url->port = (int) substr($pair[2], 1);
 66:             } elseif (isset($_SERVER['SERVER_PORT'])) {
 67:                 $url->port = (int) $_SERVER['SERVER_PORT'];
 68:             }
 69:         }
 70: 
 71:         // path & query
 72:         if (isset($_SERVER['REQUEST_URI'])) { // Apache, IIS 6.0
 73:             $requestUrl = $_SERVER['REQUEST_URI'];
 74: 
 75:         } elseif (isset($_SERVER['ORIG_PATH_INFO'])) { // IIS 5.0 (PHP as CGI ?)
 76:             $requestUrl = $_SERVER['ORIG_PATH_INFO'];
 77:             if (isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '') {
 78:                 $requestUrl .= '?' . $_SERVER['QUERY_STRING'];
 79:             }
 80:         } else {
 81:             $requestUrl = '';
 82:         }
 83: 
 84:         $requestUrl = NStrings::replace($requestUrl, $this->urlFilters['url']);
 85:         $tmp = explode('?', $requestUrl, 2);
 86:         $url->path = NStrings::replace($tmp[0], $this->urlFilters['path']);
 87:         $url->query = isset($tmp[1]) ? $tmp[1] : '';
 88: 
 89:         // normalized url
 90:         $url->canonicalize();
 91:         $url->path = NStrings::fixEncoding($url->path);
 92: 
 93:         // detect script path
 94:         if (isset($_SERVER['SCRIPT_NAME'])) {
 95:             $script = $_SERVER['SCRIPT_NAME'];
 96:         } elseif (isset($_SERVER['DOCUMENT_ROOT'], $_SERVER['SCRIPT_FILENAME'])
 97:             && strncmp($_SERVER['DOCUMENT_ROOT'], $_SERVER['SCRIPT_FILENAME'], strlen($_SERVER['DOCUMENT_ROOT'])) === 0
 98:         ) {
 99:             $script = '/' . ltrim(strtr(substr($_SERVER['SCRIPT_FILENAME'], strlen($_SERVER['DOCUMENT_ROOT'])), '\\', '/'), '/');
100:         } else {
101:             $script = '/';
102:         }
103: 
104:         $path = strtolower($url->path) . '/';
105:         $script = strtolower($script) . '/';
106:         $max = min(strlen($path), strlen($script));
107:         for ($i = 0; $i < $max; $i++) {
108:             if ($path[$i] !== $script[$i]) {
109:                 break;
110:             } elseif ($path[$i] === '/') {
111:                 $url->scriptPath = substr($url->path, 0, $i + 1);
112:             }
113:         }
114: 
115:         // GET, POST, COOKIE
116:         $useFilter = (!in_array(ini_get('filter.default'), array('', 'unsafe_raw')) || ini_get('filter.default_flags'));
117: 
118:         parse_str($url->query, $query);
119:         if (!$query) {
120:             $query = $useFilter ? filter_input_array(INPUT_GET, FILTER_UNSAFE_RAW) : (empty($_GET) ? array() : $_GET);
121:         }
122:         $post = $useFilter ? filter_input_array(INPUT_POST, FILTER_UNSAFE_RAW) : (empty($_POST) ? array() : $_POST);
123:         $cookies = $useFilter ? filter_input_array(INPUT_COOKIE, FILTER_UNSAFE_RAW) : (empty($_COOKIE) ? array() : $_COOKIE);
124: 
125:         $gpc = (bool) get_magic_quotes_gpc();
126:         $old = error_reporting(error_reporting() ^ E_NOTICE);
127: 
128:         // remove fucking quotes and check (and optionally convert) encoding
129:         if ($gpc || $this->encoding) {
130:             $utf = strcasecmp($this->encoding, 'UTF-8') === 0;
131:             $list = array(& $query, & $post, & $cookies);
132:             while (list($key, $val) = each($list)) {
133:                 foreach ($val as $k => $v) {
134:                     unset($list[$key][$k]);
135: 
136:                     if ($gpc) {
137:                         $k = stripslashes($k);
138:                     }
139: 
140:                     if ($this->encoding && is_string($k) && (preg_match(self::NONCHARS, $k) || preg_last_error())) {
141:                         // invalid key -> ignore
142: 
143:                     } elseif (is_array($v)) {
144:                         $list[$key][$k] = $v;
145:                         $list[] = & $list[$key][$k];
146: 
147:                     } else {
148:                         if ($gpc && !$useFilter) {
149:                             $v = stripSlashes($v);
150:                         }
151:                         if ($this->encoding) {
152:                             if ($utf) {
153:                                 $v = NStrings::fixEncoding($v);
154: 
155:                             } else {
156:                                 if (!NStrings::checkEncoding($v)) {
157:                                     $v = iconv($this->encoding, 'UTF-8//IGNORE', $v);
158:                                 }
159:                                 $v = html_entity_decode($v, ENT_QUOTES, 'UTF-8');
160:                             }
161:                             $v = preg_replace(self::NONCHARS, '', $v);
162:                         }
163:                         $list[$key][$k] = $v;
164:                     }
165:                 }
166:             }
167:             unset($list, $key, $val, $k, $v);
168:         }
169: 
170: 
171:         // FILES and create FileUpload objects
172:         $files = array();
173:         $list = array();
174:         if (!empty($_FILES)) {
175:             foreach ($_FILES as $k => $v) {
176:                 if ($this->encoding && is_string($k) && (preg_match(self::NONCHARS, $k) || preg_last_error())) {
177:                     continue;
178:                 }
179:                 $v['@'] = & $files[$k];
180:                 $list[] = $v;
181:             }
182:         }
183: 
184:         while (list(, $v) = each($list)) {
185:             if (!isset($v['name'])) {
186:                 continue;
187: 
188:             } elseif (!is_array($v['name'])) {
189:                 if ($gpc) {
190:                     $v['name'] = stripSlashes($v['name']);
191:                 }
192:                 if ($this->encoding) {
193:                     $v['name'] = preg_replace(self::NONCHARS, '', NStrings::fixEncoding($v['name']));
194:                 }
195:                 $v['@'] = new NHttpUploadedFile($v);
196:                 continue;
197:             }
198: 
199:             foreach ($v['name'] as $k => $foo) {
200:                 if ($this->encoding && is_string($k) && (preg_match(self::NONCHARS, $k) || preg_last_error())) {
201:                     continue;
202:                 }
203:                 $list[] = array(
204:                     'name' => $v['name'][$k],
205:                     'type' => $v['type'][$k],
206:                     'size' => $v['size'][$k],
207:                     'tmp_name' => $v['tmp_name'][$k],
208:                     'error' => $v['error'][$k],
209:                     '@' => & $v['@'][$k],
210:                 );
211:             }
212:         }
213: 
214:         error_reporting($old);
215: 
216: 
217:         // HEADERS
218:         if (function_exists('apache_request_headers')) {
219:             $headers = array_change_key_case(apache_request_headers(), CASE_LOWER);
220:         } else {
221:             $headers = array();
222:             foreach ($_SERVER as $k => $v) {
223:                 if (strncmp($k, 'HTTP_', 5) == 0) {
224:                     $k = substr($k, 5);
225:                 } elseif (strncmp($k, 'CONTENT_', 8)) {
226:                     continue;
227:                 }
228:                 $headers[ strtr(strtolower($k), '_', '-') ] = $v;
229:             }
230:         }
231: 
232:         return new NHttpRequest($url, $query, $post, $files, $cookies, $headers,
233:             isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : NULL,
234:             isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : NULL,
235:             isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : NULL
236:         );
237:     }
238: 
239: }
240: 
Nette Framework 2.0.13 (for PHP 5.2, prefixed) API API documentation generated by ApiGen 2.8.0