使用http类的方法
<?php /************************************************************************************************** * Class: Advanced HTTP Client *************************************************************************************************** * Version : 1.1 * Released: 06-20-2002 * Last Modified : 06-10-2003 * Author: GuinuX <guinux@cosmoplazza.com> * *************************************************************************************************** * Changes *************************************************************************************************** * 2003-06-10 : GuinuX * - Fixed a bug with multiple gets and basic auth * - Added support for Basic proxy Authentification * 2003-05-25: By Michael Mauch <michael.mauch@gmx.de> *- Fixed two occurences of the former "status" member which is now deprecated * 2002-09-23: GuinuX *- Fixed a bug to the post method with some HTTP servers *- Thanx to l0rd jenci <lord_jenci@bigfoot.com> for reporting this bug. * 2002-09-07: Dirk Fokken <fokken@cross-consulting.com> * - Deleted trailing characters at the end of the file, right after the php closing tag, in order *to fix a bug with binary requests. * 2002-20-06: GuinuX, Major changes *- Turned to a more OOP style => added class http_header, http_response_header, *http_request_message, http_response_message. *The members : status, body, response_headers, cookies, _request_headers of the http class *are Deprecated. * 2002-19-06: GuinuX, fixed some bugs in the http::_get_response() method * 2002-18-06: By Mate Jovic <jovic@matoma.de> *- Added support for Basic Authentification *usage: $http_client = new http( HTTP_V11, false, Array('user','pass') ); * *************************************************************************************************** * Description: *************************************************************************************************** *A HTTP client class * Supports : *- GET, HEAD and POST methods *- Http cookies *- multipart/form-data AND application/x-www-form-urlencoded *- Chunked Transfer-Encoding *- HTTP 1.0 and 1.1 protocols *- Keep-Alive Connections *- Proxy *- Basic WWW-Authentification and Proxy-Authentification * *************************************************************************************************** * TODO : *************************************************************************************************** *- Read trailing headers for Chunked Transfer-Encoding *************************************************************************************************** * usage *************************************************************************************************** * See example scripts. * *************************************************************************************************** * License *************************************************************************************************** * GNU Lesser General Public License (LGPL) * <a href="http://www.opensource.org/licenses/lgpl-license.html" target="_blank">http://www.opensource.org/licenses/lgpl-license.html</a> * * For any suggestions or bug report please contact me : guinux@cosmoplazza.com ***************************************************************************************************/ if ( !defined('HTTP_CRLF') ) define( 'HTTP_CRLF', chr(13) . chr(10)); define( 'HTTP_V10', '1.0'); define( 'HTTP_V11', '1.1'); define( 'HTTP_STATUS_CONTINUE', 100 ); define( 'HTTP_STATUS_SWITCHING_PROTOCOLS', 101 ); define( 'HTTP_STATUS_OK', 200 ); define( 'HTTP_STATUS_CREATED', 201 ); define( 'HTTP_STATUS_ACCEPTED', 202 ); define( 'HTTP_STATUS_NON_AUTHORITATIVE', 203 ); define( 'HTTP_STATUS_NO_CONTENT', 204 ); define( 'HTTP_STATUS_RESET_CONTENT', 205 ); define( 'HTTP_STATUS_PARTIAL_CONTENT', 206 ); define( 'HTTP_STATUS_MULTIPLE_CHOICES', 300 ); define( 'HTTP_STATUS_MOVED_PERMANENTLY', 301 ); define( 'HTTP_STATUS_FOUND', 302 ); define( 'HTTP_STATUS_SEE_OTHER', 303 ); define( 'HTTP_STATUS_NOT_MODIFIED', 304 ); define( 'HTTP_STATUS_USE_PROXY', 305 ); define( 'HTTP_STATUS_TEMPORARY_REDIRECT', 307 ); define( 'HTTP_STATUS_BAD_REQUEST', 400 ); define( 'HTTP_STATUS_UNAUTHORIZED', 401 ); define( 'HTTP_STATUS_FORBIDDEN', 403 ); define( 'HTTP_STATUS_NOT_FOUND', 404 ); define( 'HTTP_STATUS_METHOD_NOT_ALLOWED', 405 ); define( 'HTTP_STATUS_NOT_ACCEPTABLE', 406 ); define( 'HTTP_STATUS_PROXY_AUTH_REQUIRED', 407 ); define( 'HTTP_STATUS_REQUEST_TIMEOUT', 408 ); define( 'HTTP_STATUS_CONFLICT', 409 ); define( 'HTTP_STATUS_GONE', 410 ); define( 'HTTP_STATUS_REQUEST_TOO_LARGE',413 ); define( 'HTTP_STATUS_URI_TOO_LONG', 414 ); define( 'HTTP_STATUS_SERVER_ERROR', 500 ); define( 'HTTP_STATUS_NOT_IMPLEMENTED',501 ); define( 'HTTP_STATUS_BAD_GATEWAY',502 ); define( 'HTTP_STATUS_SERVICE_UNAVAILABLE',503 ); define( 'HTTP_STATUS_VERSION_NOT_SUPPORTED',505 ); /****************************************************************************************** * class http_header ******************************************************************************************/ class http_header { var $_headers; var $_debug; function http_header() { $this->_headers = Array(); $this->_debug= ''; } // End Of function http_header() function get_header( $header_name ) { $header_name = $this->_format_header_name( $header_name ); if (isset($this->_headers[$header_name])) return $this->_headers[$header_name]; else return null; } // End of function get() function set_header( $header_name, $value ) { if ($value != '') { $header_name = $this->_format_header_name( $header_name ); $this->_headers[$header_name] = $value; } } // End of function set() function reset() { if ( count( $this->_headers ) > 0 ) $this->_headers = array(); $this->_debug .= "/n--------------- RESETED ---------------/n"; } // End of function clear() function serialize_headers() { $str = ''; foreach ( $this->_headers as $name=>$value) { $str .= "$name: $value" . HTTP_CRLF; } return $str; } // End of function serialize_headers() function _format_header_name( $header_name ) { $formatted = str_replace( '-', ' ', strtolower( $header_name ) ); $formatted = ucwords( $formatted ); $formatted = str_replace( ' ', '-', $formatted ); return $formatted; } function add_debug_info( $data ) { $this->_debug .= $data; } function get_debug_info() { return $this->_debug; } } // End Of Class http_header /****************************************************************************************** * class http_response_header ******************************************************************************************/ class http_response_header extends http_header { var $cookies_headers; function http_response_header() { $this->cookies_headers = array(); http_header::http_header(); } // End of function http_response_header() function deserialize_headers( $flat_headers ) { $flat_headers = preg_replace( "/^" . HTTP_CRLF . "/", '', $flat_headers ); $tmp_headers = split( HTTP_CRLF, $flat_headers ); if (preg_match("'HTTP/(d.d)s+(d+).*'i", $tmp_headers[0], $matches )) { $this->set_header( 'Protocol-Version', $matches[1] ); $this->set_header( 'Status', $matches[2] ); } array_shift( $tmp_headers ); foreach( $tmp_headers as $index=>$value ) { $pos = strpos( $value, ':' ); if ( $pos ) { $key = substr( $value, 0, $pos ); $value = trim( substr( $value, $pos +1) ); if ( strtoupper($key) == 'SET-COOKIE' ) $this->cookies_headers[] = $value; else $this->set_header( $key, $value ); } } } // End of function deserialize_headers() function reset() { if ( count( $this->cookies_headers ) > 0 ) $this->cookies_headers = array(); http_header::reset(); } } // End of class http_response_header /****************************************************************************************** * class http_request_message ******************************************************************************************/ class http_request_message extends http_header { var $body; function http_request_message() { $this->body = ''; http_header::http_header(); } // End of function http_message() function reset() { $this->body = ''; http_header::reset(); } } /****************************************************************************************** * class http_response_message ******************************************************************************************/ class http_response_message extends http_response_header { var $body; var $cookies; function http_response_message() { $this->cookies = new http_cookie(); $this->body = ''; http_response_header::http_response_header(); } // End of function http_response_message() function get_status() { if ( $this->get_header( 'Status' ) != null ) return (integer)$this->get_header( 'Status' ); else return -1; } function get_protocol_version() { if ( $this->get_header( 'Protocol-Version' ) != null ) return $this->get_header( 'Protocol-Version' ); else return HTTP_V10; } function get_content_type() { $this->get_header( 'Content-Type' ); } function get_body() { return $this->body; } function reset() { $this->body = ''; http_response_header::reset(); } function parse_cookies( $host ) { for ( $i = 0; $i < count( $this->cookies_headers ); $i++ ) $this->cookies->parse( $this->cookies_headers[$i], $host ); } } /****************************************************************************************** * class http_cookie ******************************************************************************************/ class http_cookie { var $cookies; function http_cookie() { $this->cookies = array(); } // End of function http_cookies() function _now() { return strtotime( gmdate( "l, d-F-Y H:i:s", time() ) ); } // End of function _now() function _timestamp( $date ) { if ( $date == '' ) return $this->_now()+3600; $time = strtotime( $date ); return ($time>0?$time:$this->_now()+3600); } // End of function _timestamp() function get( $current_domain, $current_path ) { $cookie_str = ''; $now = $this->_now(); $new_cookies = array(); foreach( $this->cookies as $cookie_name => $cookie_data ) { if ($cookie_data['expires'] > $now) { $new_cookies[$cookie_name] = $cookie_data; $domain = preg_quote( $cookie_data['domain'] ); $path = preg_quote( $cookie_data['path']); if ( preg_match( "'.*$domain$'i", $current_domain ) && preg_match( "'^$path.*'i", $current_path ) ) $cookie_str .= $cookie_name . '=' . $cookie_data['value'] . '; '; } } $this->cookies = $new_cookies; return $cookie_str; } // End of function get() function set( $name, $value, $domain, $path, $expires ) { $this->cookies[$name] = array('value' => $value, 'domain' => $domain, 'path' => $path, 'expires' => $this->_timestamp( $expires ) ); } // End of function set() function parse( $cookie_str, $host ) { $cookie_str = str_replace( '; ', ';', $cookie_str ) . ';'; $data = split( ';', $cookie_str ); $value_str = $data[0]; $cookie_param = 'domain='; $start = strpos( $cookie_str, $cookie_param ); if ( $start > 0 ) { $domain = substr( $cookie_str, $start + strlen( $cookie_param ) ); $domain = substr( $domain, 0, strpos( $domain, ';' ) ); } else $domain = $host; $cookie_param = 'expires='; $start = strpos( $cookie_str, $cookie_param ); if ( $start > 0 ) { $expires = substr( $cookie_str, $start + strlen( $cookie_param ) ); $expires = substr( $expires, 0, strpos( $expires, ';' ) ); } else $expires = ''; $cookie_param = 'path='; $start = strpos( $cookie_str, $cookie_param ); if ( $start > 0 ) { $path = substr( $cookie_str, $start + strlen( $cookie_param ) ); $path = substr( $path, 0, strpos( $path, ';' ) ); } else $path = '/'; $sep_pos = strpos( $value_str, '='); if ($sep_pos){ $name = substr( $value_str, 0, $sep_pos ); $value = substr( $value_str, $sep_pos+1 ); $this->set( $name, $value, $domain, $path, $expires ); } } // End of function parse() } // End of class http_cookie /****************************************************************************************** * class http ******************************************************************************************/ class http { var $_socket; var $host; var $port; var $http_version; var $user_agent; var $errstr; var $connected; var $uri; var $_proxy_host; var $_proxy_port; var $_proxy_login; var $_proxy_pwd; var $_use_proxy; var $_auth_login; var $_auth_pwd; var $_response; var $_request; var $_keep_alive; function http( $http_version = HTTP_V10, $keep_alive = false, $auth = false ) { $this->http_version= $http_version; $this->connected= false; $this->user_agent= 'CosmoHttp/1.1 (compatible; MSIE 5.5; Linux)'; $this->host= ''; $this->port= 80; $this->errstr= ''; $this->_keep_alive= $keep_alive; $this->_proxy_host= ''; $this->_proxy_port= -1; $this->_proxy_login= ''; $this->_proxy_pwd= ''; $this->_auth_login= ''; $this->_auth_pwd= ''; $this->_use_proxy= false; $this->_response = new http_response_message(); $this->_request= new http_request_message(); // Basic Authentification added by Mate Jovic, 2002-18-06, jovic@matoma.de if( is_array($auth) && count($auth) == 2 ){ $this->_auth_login= $auth[0]; $this->_auth_pwd= $auth[1]; } } // End of Constuctor function use_proxy( $host, $port, $proxy_login = null, $proxy_pwd = null ) { // Proxy auth not yet supported $this->http_version= HTTP_V10; $this->_keep_alive= false; $this->_proxy_host= $host; $this->_proxy_port= $port; $this->_proxy_login= $proxy_login; $this->_proxy_pwd= $proxy_pwd; $this->_use_proxy= true; } function set_request_header( $name, $value ) { $this->_request->set_header( $name, $value ); } function get_response_body() { return $this->_response->body; } function get_response() { return $this->_response; } function head( $uri ) { $this->uri = $uri; if ( ($this->_keep_alive && !$this->connected) || !$this->_keep_alive ) { if ( !$this->_connect() ) { $this->errstr = 'Could not connect to ' . $this->host; return -1; } } $http_cookie = $this->_response->cookies->get( $this->host, $this->_current_directory( $uri ) ); if ($this->_use_proxy) { $this->_request->set_header( 'Host', $this->host . ':' . $this->port ); $this->_request->set_header( 'Proxy-Connection', ($this->_keep_alive?'Keep-Alive':'Close') ); if ( $this->_proxy_login != '' ) $this->_request->set_header( 'Proxy-Authorization', "Basic " . base64_encode( $this->_proxy_login . ":" . $this->_proxy_pwd ) ); $uri = 'http://' . $this->host . ':' . $this->port . $uri; } else { $this->_request->set_header( 'Host', $this->host ); $this->_request->set_header( 'Connection', ($this->_keep_alive?'Keep-Alive':'Close') ); } if ( $this->_auth_login != '' ) $this->_request->set_header( 'Authorization', "Basic " . base64_encode( $this->_auth_login . ":" . $this->_auth_pwd ) ); $this->_request->set_header( 'User-Agent', $this->user_agent ); $this->_request->set_header( 'Accept', '*/*' ); $this->_request->set_header( 'Cookie', $http_cookie ); $cmd ="HEAD $uri HTTP/" . $this->http_version . HTTP_CRLF . $this->_request->serialize_headers() . HTTP_CRLF; fwrite( $this->_socket, $cmd ); $this->_request->add_debug_info( $cmd ); $this->_get_response( false ); if ($this->_socket && !$this->_keep_alive) $this->disconnect(); if ( $this->_response->get_header( 'Connection' ) != null ) { if ( $this->_keep_alive && strtolower( $this->_response->get_header( 'Connection' ) ) == 'close' ) { $this->_keep_alive = false; $this->disconnect(); } } if ( $this->_response->get_status() == HTTP_STATUS_USE_PROXY ) { $location = $this->_parse_location( $this->_response->get_header( 'Location' ) ); $this->disconnect(); $this->use_proxy( $location['host'], $location['port'] ); $this->head( $this->uri ); } return $this->_response->get_header( 'Status' ); } // End of function head() function get( $uri, $follow_redirects = true, $referer = '' ) { $this->uri = $uri; if ( ($this->_keep_alive && !$this->connected) || !$this->_keep_alive ) { if ( !$this->_connect() ) { $this->errstr = 'Could not connect to ' . $this->host; return -1; } } if ($this->_use_proxy) { $this->_request->set_header( 'Host', $this->host . ':' . $this->port ); $this->_request->set_header( 'Proxy-Connection', ($this->_keep_alive?'Keep-Alive':'Close') ); if ( $this->_proxy_login != '' ) $this->_request->set_header( 'Proxy-Authorization', "Basic " . base64_encode( $this->_proxy_login . ":" . $this->_proxy_pwd ) ); $uri = 'http://' . $this->host . ':' . $this->port . $uri; } else { $this->_request->set_header( 'Host', $this->host ); $this->_request->set_header( 'Connection', ($this->_keep_alive?'Keep-Alive':'Close') ); $this->_request->set_header( 'Pragma', 'no-cache' ); $this->_request->set_header( 'Cache-Control', 'no-cache' ); } if ( $this->_auth_login != '' ) $this->_request->set_header( 'Authorization', "Basic " . base64_encode( $this->_auth_login . ":" . $this->_auth_pwd ) ); $http_cookie = $this->_response->cookies->get( $this->host, $this->_current_directory( $uri ) ); $this->_request->set_header( 'User-Agent', $this->user_agent ); $this->_request->set_header( 'Accept', '*/*' ); $this->_request->set_header( 'Referer', $referer ); $this->_request->set_header( 'Cookie', $http_cookie ); $cmd ="GET $uri HTTP/" . $this->http_version . HTTP_CRLF . $this->_request->serialize_headers() . HTTP_CRLF; fwrite( $this->_socket, $cmd ); $this->_request->add_debug_info( $cmd ); $this->_get_response(); if ($this->_socket && !$this->_keep_alive) $this->disconnect(); if ($this->_response->get_header( 'Connection' ) != null ) { if ( $this->_keep_alive && strtolower( $this->_response->get_header( 'Connection' ) ) == 'close' ) { $this->_keep_alive = false; $this->disconnect(); } } if ( $follow_redirects && ($this->_response->get_status() == HTTP_STATUS_MOVED_PERMANENTLY || $this->_response->get_status() == HTTP_STATUS_FOUND || $this->_response->get_status() == HTTP_STATUS_SEE_OTHER ) ) { if ( $this->_response->get_header( 'Location' ) != null) { $this->_redirect( $this->_response->get_header( 'Location' ) ); } } if ( $this->_response->get_status() == HTTP_STATUS_USE_PROXY ) { $location = $this->_parse_location( $this->_response->get_header( 'Location' ) ); $this->disconnect(); $this->use_proxy( $location['host'], $location['port'] ); $this->get( $this->uri, $referer ); } return $this->_response->get_status(); } // End of function get() function multipart_post( $uri, &$form_fields, $form_files = null, $follow_redirects = true, $referer = '' ) { $this->uri = $uri; if ( ($this->_keep_alive && !$this->connected) || !$this->_keep_alive ) { if ( !$this->_connect() ) { $this->errstr = 'Could not connect to ' . $this->host; return -1; } } $boundary = uniqid('------------------'); $http_cookie = $this->_response->cookies->get( $this->host, $this->_current_directory( $uri ) ); $body = $this->_merge_multipart_form_data( $boundary, $form_fields, $form_files ); $this->_request->body =$body . HTTP_CRLF; $content_length = strlen( $body ); if ($this->_use_proxy) { $this->_request->set_header( 'Host', $this->host . ':' . $this->port ); $this->_request->set_header( 'Proxy-Connection', ($this->_keep_alive?'Keep-Alive':'Close') ); if ( $this->_proxy_login != '' ) $this->_request->set_header( 'Proxy-Authorization', "Basic " . base64_encode( $this->_proxy_login . ":" . $this->_proxy_pwd ) ); $uri = 'http://' . $this->host . ':' . $this->port . $uri; } else { $this->_request->set_header( 'Host', $this->host ); $this->_request->set_header( 'Connection', ($this->_keep_alive?'Keep-Alive':'Close') ); $this->_request->set_header( 'Pragma', 'no-cache' ); $this->_request->set_header( 'Cache-Control', 'no-cache' ); } if ( $this->_auth_login != '' ) $this->_request->set_header( 'Authorization', "Basic " . base64_encode( $this->_auth_login . ":" . $this->_auth_pwd ) ); $this->_request->set_header( 'Accept', '*/*' ); $this->_request->set_header( 'Content-Type', 'multipart/form-data; boundary=' . $boundary ); $this->_request->set_header( 'User-Agent', $this->user_agent ); $this->_request->set_header( 'Content-Length', $content_length ); $this->_request->set_header( 'Cookie', $http_cookie ); $this->_request->set_header( 'Referer', $referer ); $req_header= "POST $uri HTTP/" . $this->http_version . HTTP_CRLF . $this->_request->serialize_headers() . HTTP_CRLF; fwrite( $this->_socket, $req_header ); usleep(10); fwrite( $this->_socket, $this->_request->body ); $this->_request->add_debug_info( $req_header ); $this->_get_response(); if ($this->_socket && !$this->_keep_alive) $this->disconnect(); if ( $this->_response->get_header( 'Connection' ) != null ) { if ( $this->_keep_alive && strtolower( $this->_response->get_header( 'Connection' ) ) == 'close' ) { $this->_keep_alive = false; $this->disconnect(); } } if ( $follow_redirects && ($this->_response->get_status() == HTTP_STATUS_MOVED_PERMANENTLY || $this->_response->get_status() == HTTP_STATUS_FOUND || $this->_response->get_status() == HTTP_STATUS_SEE_OTHER ) ) { if ( $this->_response->get_header( 'Location') != null ) { $this->_redirect( $this->_response->get_header( 'Location') ); } } if ( $this->_response->get_status() == HTTP_STATUS_USE_PROXY ) { $location = $this->_parse_location( $this->_response->get_header( 'Location') ); $this->disconnect(); $this->use_proxy( $location['host'], $location['port'] ); $this->multipart_post( $this->uri, $form_fields, $form_files, $referer ); } return $this->_response->get_status(); } // End of function multipart_post() function post( $uri, &$form_data, $follow_redirects = true, $referer = '' ) { $this->uri = $uri; if ( ($this->_keep_alive && !$this->connected) || !$this->_keep_alive ) { if ( !$this->_connect() ) { $this->errstr = 'Could not connect to ' . $this->host; return -1; }使用http类的方法
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