2092 lines
67 KiB
PHP
2092 lines
67 KiB
PHP
<?php
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/*
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* http.php
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*
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* @(#) $Header: /opt2/ena/metal/http/http.php,v 1.90 2013/02/20 11:45:28 mlemos Exp $
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*
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*/
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define('HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR', -1);
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define('HTTP_CLIENT_ERROR_NO_ERROR', 0);
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define('HTTP_CLIENT_ERROR_INVALID_SERVER_ADDRESS', 1);
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define('HTTP_CLIENT_ERROR_CANNOT_CONNECT', 2);
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define('HTTP_CLIENT_ERROR_COMMUNICATION_FAILURE', 3);
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define('HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE', 4);
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define('HTTP_CLIENT_ERROR_PROTOCOL_FAILURE', 5);
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define('HTTP_CLIENT_ERROR_INVALID_PARAMETERS', 6);
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class http_class
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{
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var $host_name="";
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var $host_port=0;
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var $proxy_host_name="";
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var $proxy_host_port=80;
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var $socks_host_name = '';
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var $socks_host_port = 1080;
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var $socks_version = '5';
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var $protocol="http";
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var $request_method="GET";
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var $user_agent='httpclient (http://www.phpclasses.org/httpclient $Revision: 1.90 $)';
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var $accept='';
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var $authentication_mechanism="";
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var $user;
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var $password;
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var $realm;
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var $workstation;
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var $proxy_authentication_mechanism="";
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var $proxy_user;
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var $proxy_password;
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var $proxy_realm;
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var $proxy_workstation;
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var $request_uri="";
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var $request="";
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var $request_headers=array();
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var $request_user;
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var $request_password;
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var $request_realm;
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var $request_workstation;
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var $proxy_request_user;
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var $proxy_request_password;
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var $proxy_request_realm;
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var $proxy_request_workstation;
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var $request_body="";
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var $request_arguments=array();
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var $protocol_version="1.1";
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var $timeout=0;
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var $data_timeout=0;
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var $debug=0;
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var $log_debug=0;
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var $debug_response_body=1;
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var $html_debug=0;
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var $support_cookies=1;
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var $cookies=array();
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var $error="";
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var $error_code = HTTP_CLIENT_ERROR_NO_ERROR;
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var $exclude_address="";
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var $follow_redirect=0;
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var $redirection_limit=5;
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var $response_status="";
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var $response_message="";
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var $file_buffer_length=8000;
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var $force_multipart_form_post=0;
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var $prefer_curl = 0;
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var $keep_alive = 1;
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var $sasl_authenticate = 1;
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/* private variables - DO NOT ACCESS */
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var $state="Disconnected";
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var $use_curl=0;
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var $connection=0;
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var $content_length=0;
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var $response="";
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var $read_response=0;
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var $read_length=0;
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var $request_host="";
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var $next_token="";
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var $redirection_level=0;
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var $chunked=0;
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var $remaining_chunk=0;
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var $last_chunk_read=0;
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var $months=array(
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"Jan"=>"01",
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"Feb"=>"02",
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"Mar"=>"03",
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"Apr"=>"04",
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"May"=>"05",
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"Jun"=>"06",
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"Jul"=>"07",
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"Aug"=>"08",
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"Sep"=>"09",
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"Oct"=>"10",
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"Nov"=>"11",
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"Dec"=>"12");
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var $session='';
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var $connection_close=0;
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var $force_close = 0;
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var $connected_host = '';
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var $connected_port = -1;
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var $connected_ssl = 0;
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/* Private methods - DO NOT CALL */
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Function Tokenize($string,$separator="")
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{
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if(!strcmp($separator,""))
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{
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$separator=$string;
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$string=$this->next_token;
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}
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for($character=0;$character<strlen($separator);$character++)
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{
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if(GetType($position=strpos($string,$separator[$character]))=="integer")
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$found=(IsSet($found) ? min($found,$position) : $position);
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}
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if(IsSet($found))
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{
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$this->next_token=substr($string,$found+1);
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return(substr($string,0,$found));
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}
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else
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{
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$this->next_token="";
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return($string);
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}
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}
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Function CookieEncode($value, $name)
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{
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return($name ? str_replace("=", "%25", $value) : str_replace(";", "%3B", $value));
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}
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Function SetError($error, $error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR)
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{
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$this->error_code = $error_code;
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return($this->error=$error);
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}
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Function SetPHPError($error, &$php_error_message, $error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR)
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{
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if(IsSet($php_error_message)
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&& strlen($php_error_message))
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$error.=": ".$php_error_message;
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return($this->SetError($error, $error_code));
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}
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Function SetDataAccessError($error,$check_connection=0)
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{
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$this->error=$error;
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$this->error_code = HTTP_CLIENT_ERROR_COMMUNICATION_FAILURE;
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if(!$this->use_curl
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&& function_exists("socket_get_status"))
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{
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$status=socket_get_status($this->connection);
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if($status["timed_out"])
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$this->error.=": data access time out";
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elseif($status["eof"])
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{
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if($check_connection)
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$this->error="";
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else
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$this->error.=": the server disconnected";
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}
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}
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}
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Function OutputDebug($message)
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{
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if($this->log_debug)
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error_log($message);
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else
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{
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$message.="\n";
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if($this->html_debug)
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$message=str_replace("\n","<br />\n",HtmlEntities($message));
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echo $message;
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flush();
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}
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}
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Function GetLine()
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{
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for($line="";;)
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{
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if($this->use_curl)
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{
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$eol=strpos($this->response,"\n",$this->read_response);
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$data=($eol ? substr($this->response,$this->read_response,$eol+1-$this->read_response) : "");
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$this->read_response+=strlen($data);
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}
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else
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{
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if(feof($this->connection))
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{
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$this->SetDataAccessError("reached the end of data while reading from the HTTP server connection");
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return(0);
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}
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$data=fgets($this->connection,100);
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}
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if(GetType($data)!="string"
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|| strlen($data)==0)
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{
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$this->SetDataAccessError("it was not possible to read line from the HTTP server");
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return(0);
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}
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$line.=$data;
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$length=strlen($line);
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if($length
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&& !strcmp(substr($line,$length-1,1),"\n"))
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{
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$length-=(($length>=2 && !strcmp(substr($line,$length-2,1),"\r")) ? 2 : 1);
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$line=substr($line,0,$length);
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if($this->debug)
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$this->OutputDebug("S $line");
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return($line);
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}
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}
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}
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Function PutLine($line)
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{
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if($this->debug)
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$this->OutputDebug("C $line");
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if(!fputs($this->connection,$line."\r\n"))
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{
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$this->SetDataAccessError("it was not possible to send a line to the HTTP server");
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return(0);
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}
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return(1);
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}
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Function PutData($data)
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{
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if(strlen($data))
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{
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if($this->debug)
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$this->OutputDebug('C '.$data);
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if(!fputs($this->connection,$data))
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{
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$this->SetDataAccessError("it was not possible to send data to the HTTP server");
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return(0);
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}
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}
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return(1);
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}
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Function FlushData()
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{
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if(!fflush($this->connection))
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{
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$this->SetDataAccessError("it was not possible to send data to the HTTP server");
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return(0);
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}
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return(1);
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}
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Function ReadChunkSize()
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{
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if($this->remaining_chunk==0)
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{
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$debug=$this->debug;
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if(!$this->debug_response_body)
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$this->debug=0;
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$line=$this->GetLine();
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$this->debug=$debug;
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if(GetType($line)!="string")
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return($this->SetError("could not read chunk start: ".$this->error, $this->error_code));
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$this->remaining_chunk=hexdec($line);
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if($this->remaining_chunk == 0)
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{
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if(!$this->debug_response_body)
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$this->debug=0;
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$line=$this->GetLine();
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$this->debug=$debug;
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if(GetType($line)!="string")
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return($this->SetError("could not read chunk end: ".$this->error, $this->error_code));
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}
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}
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return("");
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}
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Function ReadBytes($length)
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{
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if($this->use_curl)
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{
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$bytes=substr($this->response,$this->read_response,min($length,strlen($this->response)-$this->read_response));
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$this->read_response+=strlen($bytes);
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if($this->debug
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&& $this->debug_response_body
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&& strlen($bytes))
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$this->OutputDebug("S ".$bytes);
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}
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else
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{
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if($this->chunked)
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{
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for($bytes="",$remaining=$length;$remaining;)
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{
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if(strlen($this->ReadChunkSize()))
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return("");
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if($this->remaining_chunk==0)
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{
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$this->last_chunk_read=1;
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break;
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}
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$ask=min($this->remaining_chunk,$remaining);
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$chunk=@fread($this->connection,$ask);
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$read=strlen($chunk);
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if($read==0)
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{
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$this->SetDataAccessError("it was not possible to read data chunk from the HTTP server");
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return("");
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}
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if($this->debug
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&& $this->debug_response_body)
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$this->OutputDebug("S ".$chunk);
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$bytes.=$chunk;
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$this->remaining_chunk-=$read;
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$remaining-=$read;
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if($this->remaining_chunk==0)
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{
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if(feof($this->connection))
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return($this->SetError("reached the end of data while reading the end of data chunk mark from the HTTP server", HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
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$data=@fread($this->connection,2);
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if(strcmp($data,"\r\n"))
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{
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$this->SetDataAccessError("it was not possible to read end of data chunk from the HTTP server");
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return("");
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}
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}
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}
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}
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else
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{
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$bytes=@fread($this->connection,$length);
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if(strlen($bytes))
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{
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if($this->debug
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&& $this->debug_response_body)
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$this->OutputDebug("S ".$bytes);
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}
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else
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$this->SetDataAccessError("it was not possible to read data from the HTTP server", $this->connection_close);
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}
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}
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return($bytes);
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}
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Function EndOfInput()
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{
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if($this->use_curl)
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return($this->read_response>=strlen($this->response));
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if($this->chunked)
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return($this->last_chunk_read);
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if($this->content_length_set)
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return($this->content_length <= $this->read_length);
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return(feof($this->connection));
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}
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Function Resolve($domain, &$ip, $server_type)
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{
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if(preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/',$domain))
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$ip=$domain;
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else
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{
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if($this->debug)
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$this->OutputDebug('Resolving '.$server_type.' server domain "'.$domain.'"...');
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if(!strcmp($ip=@gethostbyname($domain),$domain))
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$ip="";
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}
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if(strlen($ip)==0
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|| (strlen($this->exclude_address)
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&& !strcmp(@gethostbyname($this->exclude_address),$ip)))
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return($this->SetError("could not resolve the host domain \"".$domain."\"", HTTP_CLIENT_ERROR_INVALID_SERVER_ADDRESS));
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return('');
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}
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Function Connect($host_name, $host_port, $ssl, $server_type = 'HTTP')
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{
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$domain=$host_name;
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$port = $host_port;
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if(strlen($error = $this->Resolve($domain, $ip, $server_type)))
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return($error);
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if(strlen($this->socks_host_name))
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{
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switch($this->socks_version)
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{
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case '4':
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$version = 4;
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break;
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case '5':
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$version = 5;
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break;
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default:
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return('it was not specified a supported SOCKS protocol version');
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break;
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}
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$host_ip = $ip;
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$port = $this->socks_host_port;
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$host_server_type = $server_type;
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$server_type = 'SOCKS';
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if(strlen($error = $this->Resolve($this->socks_host_name, $ip, $server_type)))
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return($error);
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}
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if($this->debug)
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$this->OutputDebug('Connecting to '.$server_type.' server IP '.$ip.' port '.$port.'...');
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if($ssl)
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$ip="ssl://".$host_name;
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if(($this->connection=($this->timeout ? @fsockopen($ip, $port, $errno, $error, $this->timeout) : @fsockopen($ip, $port, $errno)))==0)
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{
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$error_code = HTTP_CLIENT_ERROR_CANNOT_CONNECT;
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switch($errno)
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{
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case -3:
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return($this->SetError("socket could not be created", $error_code));
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case -4:
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return($this->SetError("dns lookup on hostname \"".$host_name."\" failed", $error_code));
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case -5:
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return($this->SetError("connection refused or timed out", $error_code));
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case -6:
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return($this->SetError("fdopen() call failed", $error_code));
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case -7:
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return($this->SetError("setvbuf() call failed", $error_code));
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default:
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return($this->SetPHPError($errno." could not connect to the host \"".$host_name."\"",$php_errormsg, $error_code));
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}
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}
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else
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{
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if($this->data_timeout
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&& function_exists("socket_set_timeout"))
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socket_set_timeout($this->connection,$this->data_timeout,0);
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if(strlen($this->socks_host_name))
|
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{
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if($this->debug)
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$this->OutputDebug('Connected to the SOCKS server '.$this->socks_host_name);
|
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$send_error = 'it was not possible to send data to the SOCKS server';
|
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$receive_error = 'it was not possible to receive data from the SOCKS server';
|
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switch($version)
|
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{
|
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case 4:
|
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$command = 1;
|
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$user = '';
|
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if(!fputs($this->connection, chr($version).chr($command).pack('nN', $host_port, ip2long($host_ip)).$user.Chr(0)))
|
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$error = $this->SetDataAccessError($send_error);
|
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else
|
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{
|
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$response = fgets($this->connection, 9);
|
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if(strlen($response) != 8)
|
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$error = $this->SetDataAccessError($receive_error);
|
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else
|
|
{
|
|
$socks_errors = array(
|
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"\x5a"=>'',
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|
"\x5b"=>'request rejected',
|
|
"\x5c"=>'request failed because client is not running identd (or not reachable from the server)',
|
|
"\x5d"=>'request failed because client\'s identd could not confirm the user ID string in the request',
|
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);
|
|
$error_code = $response[1];
|
|
$error = (IsSet($socks_errors[$error_code]) ? $socks_errors[$error_code] : 'unknown');
|
|
if(strlen($error))
|
|
$error = 'SOCKS error: '.$error;
|
|
}
|
|
}
|
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break;
|
|
case 5:
|
|
if($this->debug)
|
|
$this->OutputDebug('Negotiating the authentication method ...');
|
|
$methods = 1;
|
|
$method = 0;
|
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if(!fputs($this->connection, chr($version).chr($methods).chr($method)))
|
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$error = $this->SetDataAccessError($send_error);
|
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else
|
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{
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$response = fgets($this->connection, 3);
|
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if(strlen($response) != 2)
|
|
$error = $this->SetDataAccessError($receive_error);
|
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elseif(Ord($response[1]) != $method)
|
|
$error = 'the SOCKS server requires an authentication method that is not yet supported';
|
|
else
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug('Connecting to '.$host_server_type.' server IP '.$host_ip.' port '.$host_port.'...');
|
|
$command = 1;
|
|
$address_type = 1;
|
|
if(!fputs($this->connection, chr($version).chr($command)."\x00".chr($address_type).pack('Nn', ip2long($host_ip), $host_port)))
|
|
$error = $this->SetDataAccessError($send_error);
|
|
else
|
|
{
|
|
$response = fgets($this->connection, 11);
|
|
if(strlen($response) != 10)
|
|
$error = $this->SetDataAccessError($receive_error);
|
|
else
|
|
{
|
|
$socks_errors = array(
|
|
"\x00"=>'',
|
|
"\x01"=>'general SOCKS server failure',
|
|
"\x02"=>'connection not allowed by ruleset',
|
|
"\x03"=>'Network unreachable',
|
|
"\x04"=>'Host unreachable',
|
|
"\x05"=>'Connection refused',
|
|
"\x06"=>'TTL expired',
|
|
"\x07"=>'Command not supported',
|
|
"\x08"=>'Address type not supported'
|
|
);
|
|
$error_code = $response[1];
|
|
$error = (IsSet($socks_errors[$error_code]) ? $socks_errors[$error_code] : 'unknown');
|
|
if(strlen($error))
|
|
$error = 'SOCKS error: '.$error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
$error = 'support for SOCKS protocol version '.$this->socks_version.' is not yet implemented';
|
|
break;
|
|
}
|
|
if(strlen($error))
|
|
{
|
|
fclose($this->connection);
|
|
return($error);
|
|
}
|
|
}
|
|
if($this->debug)
|
|
$this->OutputDebug("Connected to $host_name");
|
|
if(strlen($this->proxy_host_name)
|
|
&& !strcmp(strtolower($this->protocol), 'https'))
|
|
{
|
|
if(function_exists('stream_socket_enable_crypto')
|
|
&& in_array('ssl', stream_get_transports()))
|
|
$this->state = "ConnectedToProxy";
|
|
else
|
|
{
|
|
$this->OutputDebug("It is not possible to start SSL after connecting to the proxy server. If the proxy refuses to forward the SSL request, you may need to upgrade to PHP 5.1 or later with OpenSSL support enabled.");
|
|
$this->state="Connected";
|
|
}
|
|
}
|
|
else
|
|
$this->state="Connected";
|
|
return("");
|
|
}
|
|
}
|
|
|
|
Function Disconnect()
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("Disconnected from ".$this->connected_host);
|
|
if($this->use_curl)
|
|
{
|
|
curl_close($this->connection);
|
|
$this->response="";
|
|
}
|
|
else
|
|
fclose($this->connection);
|
|
$this->state="Disconnected";
|
|
return("");
|
|
}
|
|
|
|
/* Public methods */
|
|
|
|
Function GetRequestArguments($url, &$arguments)
|
|
{
|
|
$this->error = '';
|
|
$this->error_code = HTTP_CLIENT_ERROR_NO_ERROR;
|
|
$arguments=array();
|
|
$url = str_replace(' ', '%20', $url);
|
|
$parameters=@parse_url($url);
|
|
if(!$parameters)
|
|
return($this->SetError("it was not specified a valid URL", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
if(!IsSet($parameters["scheme"]))
|
|
return($this->SetError("it was not specified the protocol type argument", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
switch(strtolower($parameters["scheme"]))
|
|
{
|
|
case "http":
|
|
case "https":
|
|
$arguments["Protocol"]=$parameters["scheme"];
|
|
break;
|
|
default:
|
|
return($parameters["scheme"]." connection scheme is not yet supported");
|
|
}
|
|
if(!IsSet($parameters["host"]))
|
|
return($this->SetError("it was not specified the connection host argument", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$arguments["HostName"]=$parameters["host"];
|
|
$arguments["Headers"]=array("Host"=>$parameters["host"].(IsSet($parameters["port"]) ? ":".$parameters["port"] : ""));
|
|
if(IsSet($parameters["user"]))
|
|
{
|
|
$arguments["AuthUser"]=UrlDecode($parameters["user"]);
|
|
if(!IsSet($parameters["pass"]))
|
|
$arguments["AuthPassword"]="";
|
|
}
|
|
if(IsSet($parameters["pass"]))
|
|
{
|
|
if(!IsSet($parameters["user"]))
|
|
$arguments["AuthUser"]="";
|
|
$arguments["AuthPassword"]=UrlDecode($parameters["pass"]);
|
|
}
|
|
if(IsSet($parameters["port"]))
|
|
{
|
|
if(strcmp($parameters["port"],strval(intval($parameters["port"]))))
|
|
return($this->SetError("it was not specified a valid connection host argument", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$arguments["HostPort"]=intval($parameters["port"]);
|
|
}
|
|
else
|
|
$arguments["HostPort"]=0;
|
|
$arguments["RequestURI"]=(IsSet($parameters["path"]) ? $parameters["path"] : "/").(IsSet($parameters["query"]) ? "?".$parameters["query"] : "");
|
|
if(strlen($this->user_agent))
|
|
$arguments["Headers"]["User-Agent"]=$this->user_agent;
|
|
if(strlen($this->accept))
|
|
$arguments["Headers"]["Accept"]=$this->accept;
|
|
return("");
|
|
}
|
|
|
|
Function Open($arguments)
|
|
{
|
|
if(strlen($this->error))
|
|
return($this->error);
|
|
$error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR;
|
|
if(IsSet($arguments["HostName"]))
|
|
$this->host_name=$arguments["HostName"];
|
|
if(IsSet($arguments["HostPort"]))
|
|
$this->host_port=$arguments["HostPort"];
|
|
if(IsSet($arguments["ProxyHostName"]))
|
|
$this->proxy_host_name=$arguments["ProxyHostName"];
|
|
if(IsSet($arguments["ProxyHostPort"]))
|
|
$this->proxy_host_port=$arguments["ProxyHostPort"];
|
|
if(IsSet($arguments["SOCKSHostName"]))
|
|
$this->socks_host_name=$arguments["SOCKSHostName"];
|
|
if(IsSet($arguments["SOCKSHostPort"]))
|
|
$this->socks_host_port=$arguments["SOCKSHostPort"];
|
|
if(IsSet($arguments["SOCKSVersion"]))
|
|
$this->socks_version=$arguments["SOCKSVersion"];
|
|
if(IsSet($arguments["Protocol"]))
|
|
$this->protocol=$arguments["Protocol"];
|
|
switch(strtolower($this->protocol))
|
|
{
|
|
case "http":
|
|
$default_port=80;
|
|
break;
|
|
case "https":
|
|
$default_port=443;
|
|
break;
|
|
default:
|
|
return($this->SetError("it was not specified a valid connection protocol", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
}
|
|
if(strlen($this->proxy_host_name)==0)
|
|
{
|
|
if(strlen($this->host_name)==0)
|
|
return($this->SetError("it was not specified a valid hostname", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$host_name=$this->host_name;
|
|
$host_port=($this->host_port ? $this->host_port : $default_port);
|
|
$server_type = 'HTTP';
|
|
}
|
|
else
|
|
{
|
|
$host_name=$this->proxy_host_name;
|
|
$host_port=$this->proxy_host_port;
|
|
$server_type = 'HTTP proxy';
|
|
}
|
|
$ssl=(strtolower($this->protocol)=="https" && strlen($this->proxy_host_name)==0);
|
|
if($ssl
|
|
&& strlen($this->socks_host_name))
|
|
return($this->SetError('establishing SSL connections via a SOCKS server is not yet supported', HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$this->use_curl=($ssl && $this->prefer_curl && function_exists("curl_init"));
|
|
switch($this->state)
|
|
{
|
|
case 'Connected':
|
|
if(!strcmp($host_name, $this->connected_host)
|
|
&& intval($host_port) == $this->connected_port
|
|
&& intval($ssl) == $this->connected_ssl)
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("Reusing connection to ".$this->connected_host);
|
|
return('');
|
|
}
|
|
if(strlen($error = $this->Disconnect()))
|
|
return($error);
|
|
case "Disconnected":
|
|
break;
|
|
default:
|
|
return("1 already connected");
|
|
}
|
|
if($this->debug)
|
|
$this->OutputDebug("Connecting to ".$this->host_name);
|
|
if($this->use_curl)
|
|
{
|
|
$error=(($this->connection=curl_init($this->protocol."://".$this->host_name.($host_port==$default_port ? "" : ":".strval($host_port))."/")) ? "" : "Could not initialize a CURL session");
|
|
if(strlen($error)==0)
|
|
{
|
|
if(IsSet($arguments["SSLCertificateFile"]))
|
|
curl_setopt($this->connection,CURLOPT_SSLCERT,$arguments["SSLCertificateFile"]);
|
|
if(IsSet($arguments["SSLCertificatePassword"]))
|
|
curl_setopt($this->connection,CURLOPT_SSLCERTPASSWD,$arguments["SSLCertificatePassword"]);
|
|
if(IsSet($arguments["SSLKeyFile"]))
|
|
curl_setopt($this->connection,CURLOPT_SSLKEY,$arguments["SSLKeyFile"]);
|
|
if(IsSet($arguments["SSLKeyPassword"]))
|
|
curl_setopt($this->connection,CURLOPT_SSLKEYPASSWD,$arguments["SSLKeyPassword"]);
|
|
}
|
|
$this->state="Connected";
|
|
}
|
|
else
|
|
{
|
|
$error="";
|
|
if(strlen($this->proxy_host_name)
|
|
&& (IsSet($arguments["SSLCertificateFile"])
|
|
|| IsSet($arguments["SSLCertificateFile"])))
|
|
$error="establishing SSL connections using certificates or private keys via non-SSL proxies is not supported";
|
|
else
|
|
{
|
|
if($ssl)
|
|
{
|
|
if(IsSet($arguments["SSLCertificateFile"]))
|
|
$error="establishing SSL connections using certificates is only supported when the cURL extension is enabled";
|
|
elseif(IsSet($arguments["SSLKeyFile"]))
|
|
$error="establishing SSL connections using a private key is only supported when the cURL extension is enabled";
|
|
else
|
|
{
|
|
$version=explode(".",function_exists("phpversion") ? phpversion() : "3.0.7");
|
|
$php_version=intval($version[0])*1000000+intval($version[1])*1000+intval($version[2]);
|
|
if($php_version<4003000)
|
|
$error="establishing SSL connections requires at least PHP version 4.3.0 or having the cURL extension enabled";
|
|
elseif(!function_exists("extension_loaded")
|
|
|| !extension_loaded("openssl"))
|
|
$error="establishing SSL connections requires the OpenSSL extension enabled";
|
|
}
|
|
}
|
|
if(strlen($error)==0)
|
|
{
|
|
$error=$this->Connect($host_name, $host_port, $ssl, $server_type);
|
|
$error_code = $this->error_code;
|
|
}
|
|
}
|
|
}
|
|
if(strlen($error))
|
|
return($this->SetError($error, $error_code));
|
|
$this->session=md5(uniqid(""));
|
|
$this->connected_host = $host_name;
|
|
$this->connected_port = intval($host_port);
|
|
$this->connected_ssl = intval($ssl);
|
|
return("");
|
|
}
|
|
|
|
Function Close($force = 0)
|
|
{
|
|
if($this->state=="Disconnected")
|
|
return("1 already disconnected");
|
|
if(!$this->force_close
|
|
&& $this->keep_alive
|
|
&& !$force
|
|
&& $this->state == 'ResponseReceived')
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug('Keeping the connection alive to '.$this->connected_host);
|
|
$this->state = 'Connected';
|
|
return('');
|
|
}
|
|
return($this->Disconnect());
|
|
}
|
|
|
|
Function PickCookies(&$cookies,$secure)
|
|
{
|
|
if(IsSet($this->cookies[$secure]))
|
|
{
|
|
$now=gmdate("Y-m-d H-i-s");
|
|
for($domain=0,Reset($this->cookies[$secure]);$domain<count($this->cookies[$secure]);Next($this->cookies[$secure]),$domain++)
|
|
{
|
|
$domain_pattern=Key($this->cookies[$secure]);
|
|
$match=strlen($this->request_host)-strlen($domain_pattern);
|
|
if($match>=0
|
|
&& !strcmp($domain_pattern,substr($this->request_host,$match))
|
|
&& ($match==0
|
|
|| $domain_pattern[0]=="."
|
|
|| $this->request_host[$match-1]=="."))
|
|
{
|
|
for(Reset($this->cookies[$secure][$domain_pattern]),$path_part=0;$path_part<count($this->cookies[$secure][$domain_pattern]);Next($this->cookies[$secure][$domain_pattern]),$path_part++)
|
|
{
|
|
$path=Key($this->cookies[$secure][$domain_pattern]);
|
|
if(strlen($this->request_uri)>=strlen($path)
|
|
&& substr($this->request_uri,0,strlen($path))==$path)
|
|
{
|
|
for(Reset($this->cookies[$secure][$domain_pattern][$path]),$cookie=0;$cookie<count($this->cookies[$secure][$domain_pattern][$path]);Next($this->cookies[$secure][$domain_pattern][$path]),$cookie++)
|
|
{
|
|
$cookie_name=Key($this->cookies[$secure][$domain_pattern][$path]);
|
|
$expires=$this->cookies[$secure][$domain_pattern][$path][$cookie_name]["expires"];
|
|
if($expires==""
|
|
|| strcmp($now,$expires)<0)
|
|
$cookies[$cookie_name]=$this->cookies[$secure][$domain_pattern][$path][$cookie_name];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Function GetFileDefinition($file, &$definition)
|
|
{
|
|
$name="";
|
|
if(IsSet($file["FileName"]))
|
|
$name=basename($file["FileName"]);
|
|
if(IsSet($file["Name"]))
|
|
$name=$file["Name"];
|
|
if(strlen($name)==0)
|
|
return("it was not specified the file part name");
|
|
if(IsSet($file["Content-Type"]))
|
|
{
|
|
$content_type=$file["Content-Type"];
|
|
$type=$this->Tokenize(strtolower($content_type),"/");
|
|
$sub_type=$this->Tokenize("");
|
|
switch($type)
|
|
{
|
|
case "text":
|
|
case "image":
|
|
case "audio":
|
|
case "video":
|
|
case "application":
|
|
case "message":
|
|
break;
|
|
case "automatic":
|
|
switch($sub_type)
|
|
{
|
|
case "name":
|
|
switch(GetType($dot=strrpos($name,"."))=="integer" ? strtolower(substr($name,$dot)) : "")
|
|
{
|
|
case ".xls":
|
|
$content_type="application/excel";
|
|
break;
|
|
case ".hqx":
|
|
$content_type="application/macbinhex40";
|
|
break;
|
|
case ".doc":
|
|
case ".dot":
|
|
case ".wrd":
|
|
$content_type="application/msword";
|
|
break;
|
|
case ".pdf":
|
|
$content_type="application/pdf";
|
|
break;
|
|
case ".pgp":
|
|
$content_type="application/pgp";
|
|
break;
|
|
case ".ps":
|
|
case ".eps":
|
|
case ".ai":
|
|
$content_type="application/postscript";
|
|
break;
|
|
case ".ppt":
|
|
$content_type="application/powerpoint";
|
|
break;
|
|
case ".rtf":
|
|
$content_type="application/rtf";
|
|
break;
|
|
case ".tgz":
|
|
case ".gtar":
|
|
$content_type="application/x-gtar";
|
|
break;
|
|
case ".gz":
|
|
$content_type="application/x-gzip";
|
|
break;
|
|
case ".php":
|
|
case ".php3":
|
|
$content_type="application/x-httpd-php";
|
|
break;
|
|
case ".js":
|
|
$content_type="application/x-javascript";
|
|
break;
|
|
case ".ppd":
|
|
case ".psd":
|
|
$content_type="application/x-photoshop";
|
|
break;
|
|
case ".swf":
|
|
case ".swc":
|
|
case ".rf":
|
|
$content_type="application/x-shockwave-flash";
|
|
break;
|
|
case ".tar":
|
|
$content_type="application/x-tar";
|
|
break;
|
|
case ".zip":
|
|
$content_type="application/zip";
|
|
break;
|
|
case ".mid":
|
|
case ".midi":
|
|
case ".kar":
|
|
$content_type="audio/midi";
|
|
break;
|
|
case ".mp2":
|
|
case ".mp3":
|
|
case ".mpga":
|
|
$content_type="audio/mpeg";
|
|
break;
|
|
case ".ra":
|
|
$content_type="audio/x-realaudio";
|
|
break;
|
|
case ".wav":
|
|
$content_type="audio/wav";
|
|
break;
|
|
case ".bmp":
|
|
$content_type="image/bitmap";
|
|
break;
|
|
case ".gif":
|
|
$content_type="image/gif";
|
|
break;
|
|
case ".iff":
|
|
$content_type="image/iff";
|
|
break;
|
|
case ".jb2":
|
|
$content_type="image/jb2";
|
|
break;
|
|
case ".jpg":
|
|
case ".jpe":
|
|
case ".jpeg":
|
|
$content_type="image/jpeg";
|
|
break;
|
|
case ".jpx":
|
|
$content_type="image/jpx";
|
|
break;
|
|
case ".png":
|
|
$content_type="image/png";
|
|
break;
|
|
case ".tif":
|
|
case ".tiff":
|
|
$content_type="image/tiff";
|
|
break;
|
|
case ".wbmp":
|
|
$content_type="image/vnd.wap.wbmp";
|
|
break;
|
|
case ".xbm":
|
|
$content_type="image/xbm";
|
|
break;
|
|
case ".css":
|
|
$content_type="text/css";
|
|
break;
|
|
case ".txt":
|
|
$content_type="text/plain";
|
|
break;
|
|
case ".htm":
|
|
case ".html":
|
|
$content_type="text/html";
|
|
break;
|
|
case ".xml":
|
|
$content_type="text/xml";
|
|
break;
|
|
case ".mpg":
|
|
case ".mpe":
|
|
case ".mpeg":
|
|
$content_type="video/mpeg";
|
|
break;
|
|
case ".qt":
|
|
case ".mov":
|
|
$content_type="video/quicktime";
|
|
break;
|
|
case ".avi":
|
|
$content_type="video/x-ms-video";
|
|
break;
|
|
case ".eml":
|
|
$content_type="message/rfc822";
|
|
break;
|
|
default:
|
|
$content_type="application/octet-stream";
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
return($content_type." is not a supported automatic content type detection method");
|
|
}
|
|
break;
|
|
default:
|
|
return($content_type." is not a supported file content type");
|
|
}
|
|
}
|
|
else
|
|
$content_type="application/octet-stream";
|
|
$definition=array(
|
|
"Content-Type"=>$content_type,
|
|
"NAME"=>$name
|
|
);
|
|
if(IsSet($file["FileName"]))
|
|
{
|
|
if(GetType($length=@filesize($file["FileName"]))!="integer")
|
|
{
|
|
$error="it was not possible to determine the length of the file ".$file["FileName"];
|
|
if(IsSet($php_errormsg)
|
|
&& strlen($php_errormsg))
|
|
$error.=": ".$php_errormsg;
|
|
if(!file_exists($file["FileName"]))
|
|
$error="it was not possible to access the file ".$file["FileName"];
|
|
return($error);
|
|
}
|
|
$definition["FILENAME"]=$file["FileName"];
|
|
$definition["Content-Length"]=$length;
|
|
}
|
|
elseif(IsSet($file["Data"]))
|
|
$definition["Content-Length"]=strlen($definition["DATA"]=$file["Data"]);
|
|
else
|
|
return("it was not specified a valid file name");
|
|
return("");
|
|
}
|
|
|
|
Function ConnectFromProxy($arguments, &$headers)
|
|
{
|
|
if(!$this->PutLine('CONNECT '.$this->host_name.':'.($this->host_port ? $this->host_port : 443).' HTTP/1.0')
|
|
|| (strlen($this->user_agent)
|
|
&& !$this->PutLine('User-Agent: '.$this->user_agent))
|
|
|| (strlen($this->accept)
|
|
&& !$this->PutLine('Accept: '.$this->accept))
|
|
|| (IsSet($arguments['Headers']['Proxy-Authorization'])
|
|
&& !$this->PutLine('Proxy-Authorization: '.$arguments['Headers']['Proxy-Authorization']))
|
|
|| !$this->PutLine(''))
|
|
{
|
|
$this->Disconnect();
|
|
return($this->error);
|
|
}
|
|
$this->state = "ConnectSent";
|
|
if(strlen($error=$this->ReadReplyHeadersResponse($headers)))
|
|
return($error);
|
|
$proxy_authorization="";
|
|
while(!strcmp($this->response_status, "100"))
|
|
{
|
|
$this->state="ConnectSent";
|
|
if(strlen($error=$this->ReadReplyHeadersResponse($headers)))
|
|
return($error);
|
|
}
|
|
switch($this->response_status)
|
|
{
|
|
case "200":
|
|
if(!@stream_socket_enable_crypto($this->connection, 1, STREAM_CRYPTO_METHOD_SSLv23_CLIENT))
|
|
{
|
|
$this->SetPHPError('it was not possible to start a SSL encrypted connection via this proxy', $php_errormsg, HTTP_CLIENT_ERROR_COMMUNICATION_FAILURE);
|
|
$this->Disconnect();
|
|
return($this->error);
|
|
}
|
|
$this->state = "Connected";
|
|
break;
|
|
case "407":
|
|
if(strlen($error=$this->Authenticate($headers, -1, $proxy_authorization, $this->proxy_request_user, $this->proxy_request_password, $this->proxy_request_realm, $this->proxy_request_workstation)))
|
|
return($error);
|
|
break;
|
|
default:
|
|
return($this->SetError("unable to send request via proxy", HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
}
|
|
return("");
|
|
}
|
|
|
|
Function SendRequest($arguments)
|
|
{
|
|
if(strlen($this->error))
|
|
return($this->error);
|
|
if(IsSet($arguments["ProxyUser"]))
|
|
$this->proxy_request_user=$arguments["ProxyUser"];
|
|
elseif(IsSet($this->proxy_user))
|
|
$this->proxy_request_user=$this->proxy_user;
|
|
if(IsSet($arguments["ProxyPassword"]))
|
|
$this->proxy_request_password=$arguments["ProxyPassword"];
|
|
elseif(IsSet($this->proxy_password))
|
|
$this->proxy_request_password=$this->proxy_password;
|
|
if(IsSet($arguments["ProxyRealm"]))
|
|
$this->proxy_request_realm=$arguments["ProxyRealm"];
|
|
elseif(IsSet($this->proxy_realm))
|
|
$this->proxy_request_realm=$this->proxy_realm;
|
|
if(IsSet($arguments["ProxyWorkstation"]))
|
|
$this->proxy_request_workstation=$arguments["ProxyWorkstation"];
|
|
elseif(IsSet($this->proxy_workstation))
|
|
$this->proxy_request_workstation=$this->proxy_workstation;
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return($this->SetError("connection was not yet established", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "Connected":
|
|
$connect = 0;
|
|
break;
|
|
case "ConnectedToProxy":
|
|
if(strlen($error = $this->ConnectFromProxy($arguments, $headers)))
|
|
return($error);
|
|
$connect = 1;
|
|
break;
|
|
default:
|
|
return($this->SetError("can not send request in the current connection state", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
}
|
|
if(IsSet($arguments["RequestMethod"]))
|
|
$this->request_method=$arguments["RequestMethod"];
|
|
if(IsSet($arguments["User-Agent"]))
|
|
$this->user_agent=$arguments["User-Agent"];
|
|
if(!IsSet($arguments["Headers"]["User-Agent"])
|
|
&& strlen($this->user_agent))
|
|
$arguments["Headers"]["User-Agent"]=$this->user_agent;
|
|
if(IsSet($arguments["KeepAlive"]))
|
|
$this->keep_alive=intval($arguments["KeepAlive"]);
|
|
if(!IsSet($arguments["Headers"]["Connection"])
|
|
&& $this->keep_alive)
|
|
$arguments["Headers"]["Connection"]='Keep-Alive';
|
|
if(IsSet($arguments["Accept"]))
|
|
$this->user_agent=$arguments["Accept"];
|
|
if(!IsSet($arguments["Headers"]["Accept"])
|
|
&& strlen($this->accept))
|
|
$arguments["Headers"]["Accept"]=$this->accept;
|
|
if(strlen($this->request_method)==0)
|
|
return($this->SetError("it was not specified a valid request method", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
if(IsSet($arguments["RequestURI"]))
|
|
$this->request_uri=$arguments["RequestURI"];
|
|
if(strlen($this->request_uri)==0
|
|
|| substr($this->request_uri,0,1)!="/")
|
|
return($this->SetError("it was not specified a valid request URI", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$this->request_arguments=$arguments;
|
|
$this->request_headers=(IsSet($arguments["Headers"]) ? $arguments["Headers"] : array());
|
|
$body_length=0;
|
|
$this->request_body="";
|
|
$get_body=1;
|
|
if($this->request_method=="POST"
|
|
|| $this->request_method=="PUT")
|
|
{
|
|
if(IsSet($arguments['StreamRequest']))
|
|
{
|
|
$get_body = 0;
|
|
$this->request_headers["Transfer-Encoding"]="chunked";
|
|
}
|
|
elseif(IsSet($arguments["PostFiles"])
|
|
|| ($this->force_multipart_form_post
|
|
&& IsSet($arguments["PostValues"])))
|
|
{
|
|
$boundary="--".md5(uniqid(time()));
|
|
$this->request_headers["Content-Type"]="multipart/form-data; boundary=".$boundary.(IsSet($arguments["CharSet"]) ? "; charset=".$arguments["CharSet"] : "");
|
|
$post_parts=array();
|
|
if(IsSet($arguments["PostValues"]))
|
|
{
|
|
$values=$arguments["PostValues"];
|
|
if(GetType($values)!="array")
|
|
return($this->SetError("it was not specified a valid POST method values array", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
for(Reset($values),$value=0;$value<count($values);Next($values),$value++)
|
|
{
|
|
$input=Key($values);
|
|
$headers="--".$boundary."\r\nContent-Disposition: form-data; name=\"".$input."\"\r\n\r\n";
|
|
$data=$values[$input];
|
|
$post_parts[]=array("HEADERS"=>$headers,"DATA"=>$data);
|
|
$body_length+=strlen($headers)+strlen($data)+strlen("\r\n");
|
|
}
|
|
}
|
|
$body_length+=strlen("--".$boundary."--\r\n");
|
|
$files=(IsSet($arguments["PostFiles"]) ? $arguments["PostFiles"] : array());
|
|
Reset($files);
|
|
$end=(GetType($input=Key($files))!="string");
|
|
for(;!$end;)
|
|
{
|
|
if(strlen($error=$this->GetFileDefinition($files[$input],$definition)))
|
|
return("3 ".$error);
|
|
$headers="--".$boundary."\r\nContent-Disposition: form-data; name=\"".$input."\"; filename=\"".$definition["NAME"]."\"\r\nContent-Type: ".$definition["Content-Type"]."\r\n\r\n";
|
|
$part=count($post_parts);
|
|
$post_parts[$part]=array("HEADERS"=>$headers);
|
|
if(IsSet($definition["FILENAME"]))
|
|
{
|
|
$post_parts[$part]["FILENAME"]=$definition["FILENAME"];
|
|
$data="";
|
|
}
|
|
else
|
|
$data=$definition["DATA"];
|
|
$post_parts[$part]["DATA"]=$data;
|
|
$body_length+=strlen($headers)+$definition["Content-Length"]+strlen("\r\n");
|
|
Next($files);
|
|
$end=(GetType($input=Key($files))!="string");
|
|
}
|
|
$get_body=0;
|
|
}
|
|
elseif(IsSet($arguments["PostValues"]))
|
|
{
|
|
$values=$arguments["PostValues"];
|
|
if(GetType($values)!="array")
|
|
return($this->SetError("it was not specified a valid POST method values array", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
for(Reset($values),$value=0;$value<count($values);Next($values),$value++)
|
|
{
|
|
$k=Key($values);
|
|
if(GetType($values[$k])=="array")
|
|
{
|
|
for($v = 0; $v < count($values[$k]); $v++)
|
|
{
|
|
if($value+$v>0)
|
|
$this->request_body.="&";
|
|
$this->request_body.=UrlEncode($k)."=".UrlEncode($values[$k][$v]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if($value>0)
|
|
$this->request_body.="&";
|
|
$this->request_body.=UrlEncode($k)."=".UrlEncode($values[$k]);
|
|
}
|
|
}
|
|
$this->request_headers["Content-Type"]="application/x-www-form-urlencoded".(IsSet($arguments["CharSet"]) ? "; charset=".$arguments["CharSet"] : "");
|
|
$get_body=0;
|
|
}
|
|
}
|
|
if($get_body
|
|
&& (IsSet($arguments["Body"])
|
|
|| IsSet($arguments["BodyStream"])))
|
|
{
|
|
if(IsSet($arguments["Body"]))
|
|
$this->request_body=$arguments["Body"];
|
|
else
|
|
{
|
|
$stream=$arguments["BodyStream"];
|
|
$this->request_body="";
|
|
for($part=0; $part<count($stream); $part++)
|
|
{
|
|
if(IsSet($stream[$part]["Data"]))
|
|
$this->request_body.=$stream[$part]["Data"];
|
|
elseif(IsSet($stream[$part]["File"]))
|
|
{
|
|
if(!($file=@fopen($stream[$part]["File"],"rb")))
|
|
return($this->SetPHPError("could not open upload file ".$stream[$part]["File"], $php_errormsg, HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE));
|
|
while(!feof($file))
|
|
{
|
|
if(GetType($block=@fread($file,$this->file_buffer_length))!="string")
|
|
{
|
|
$error=$this->SetPHPError("could not read body stream file ".$stream[$part]["File"], $php_errormsg, HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE);
|
|
fclose($file);
|
|
return($error);
|
|
}
|
|
$this->request_body.=$block;
|
|
}
|
|
fclose($file);
|
|
}
|
|
else
|
|
return("5 it was not specified a valid file or data body stream element at position ".$part);
|
|
}
|
|
}
|
|
if(!IsSet($this->request_headers["Content-Type"]))
|
|
$this->request_headers["Content-Type"]="application/octet-stream".(IsSet($arguments["CharSet"]) ? "; charset=".$arguments["CharSet"] : "");
|
|
}
|
|
if(IsSet($arguments["AuthUser"]))
|
|
$this->request_user=$arguments["AuthUser"];
|
|
elseif(IsSet($this->user))
|
|
$this->request_user=$this->user;
|
|
if(IsSet($arguments["AuthPassword"]))
|
|
$this->request_password=$arguments["AuthPassword"];
|
|
elseif(IsSet($this->password))
|
|
$this->request_password=$this->password;
|
|
if(IsSet($arguments["AuthRealm"]))
|
|
$this->request_realm=$arguments["AuthRealm"];
|
|
elseif(IsSet($this->realm))
|
|
$this->request_realm=$this->realm;
|
|
if(IsSet($arguments["AuthWorkstation"]))
|
|
$this->request_workstation=$arguments["AuthWorkstation"];
|
|
elseif(IsSet($this->workstation))
|
|
$this->request_workstation=$this->workstation;
|
|
if(strlen($this->proxy_host_name)==0
|
|
|| $connect)
|
|
$request_uri=$this->request_uri;
|
|
else
|
|
{
|
|
switch(strtolower($this->protocol))
|
|
{
|
|
case "http":
|
|
$default_port=80;
|
|
break;
|
|
case "https":
|
|
$default_port=443;
|
|
break;
|
|
}
|
|
$request_uri=strtolower($this->protocol)."://".$this->host_name.(($this->host_port==0 || $this->host_port==$default_port) ? "" : ":".$this->host_port).$this->request_uri;
|
|
}
|
|
if($this->use_curl)
|
|
{
|
|
$version=(GetType($v=curl_version())=="array" ? (IsSet($v["version"]) ? $v["version"] : "0.0.0") : (preg_match("/^libcurl\\/([0-9]+\\.[0-9]+\\.[0-9]+)/",$v,$m) ? $m[1] : "0.0.0"));
|
|
$curl_version=100000*intval($this->Tokenize($version,"."))+1000*intval($this->Tokenize("."))+intval($this->Tokenize(""));
|
|
$protocol_version=($curl_version<713002 ? "1.0" : $this->protocol_version);
|
|
}
|
|
else
|
|
$protocol_version=$this->protocol_version;
|
|
$this->request=$this->request_method." ".$request_uri." HTTP/".$protocol_version;
|
|
if($body_length
|
|
|| ($body_length=strlen($this->request_body))
|
|
|| !strcmp($this->request_method, 'POST'))
|
|
$this->request_headers["Content-Length"]=$body_length;
|
|
for($headers=array(),$host_set=0,Reset($this->request_headers),$header=0;$header<count($this->request_headers);Next($this->request_headers),$header++)
|
|
{
|
|
$header_name=Key($this->request_headers);
|
|
$header_value=$this->request_headers[$header_name];
|
|
if(GetType($header_value)=="array")
|
|
{
|
|
for(Reset($header_value),$value=0;$value<count($header_value);Next($header_value),$value++)
|
|
$headers[]=$header_name.": ".$header_value[Key($header_value)];
|
|
}
|
|
else
|
|
$headers[]=$header_name.": ".$header_value;
|
|
if(strtolower(Key($this->request_headers))=="host")
|
|
{
|
|
$this->request_host=strtolower($header_value);
|
|
$host_set=1;
|
|
}
|
|
}
|
|
if(!$host_set)
|
|
{
|
|
$headers[]="Host: ".$this->host_name;
|
|
$this->request_host=strtolower($this->host_name);
|
|
}
|
|
if(count($this->cookies))
|
|
{
|
|
$cookies=array();
|
|
$this->PickCookies($cookies,0);
|
|
if(strtolower($this->protocol)=="https")
|
|
$this->PickCookies($cookies,1);
|
|
if(count($cookies))
|
|
{
|
|
$h=count($headers);
|
|
$headers[$h]="Cookie:";
|
|
for(Reset($cookies),$cookie=0;$cookie<count($cookies);Next($cookies),$cookie++)
|
|
{
|
|
$cookie_name=Key($cookies);
|
|
$headers[$h].=" ".$cookie_name."=".$cookies[$cookie_name]["value"].";";
|
|
}
|
|
}
|
|
}
|
|
$next_state = "RequestSent";
|
|
if($this->use_curl)
|
|
{
|
|
if(IsSet($arguments['StreamRequest']))
|
|
return($this->SetError("Streaming request data is not supported when using Curl", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
if($body_length
|
|
&& strlen($this->request_body)==0)
|
|
{
|
|
for($request_body="",$success=1,$part=0;$part<count($post_parts);$part++)
|
|
{
|
|
$request_body.=$post_parts[$part]["HEADERS"].$post_parts[$part]["DATA"];
|
|
if(IsSet($post_parts[$part]["FILENAME"]))
|
|
{
|
|
if(!($file=@fopen($post_parts[$part]["FILENAME"],"rb")))
|
|
{
|
|
$this->SetPHPError("could not open upload file ".$post_parts[$part]["FILENAME"], $php_errormsg, HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE);
|
|
$success=0;
|
|
break;
|
|
}
|
|
while(!feof($file))
|
|
{
|
|
if(GetType($block=@fread($file,$this->file_buffer_length))!="string")
|
|
{
|
|
$this->SetPHPError("could not read upload file", $php_errormsg, HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE);
|
|
$success=0;
|
|
break;
|
|
}
|
|
$request_body.=$block;
|
|
}
|
|
fclose($file);
|
|
if(!$success)
|
|
break;
|
|
}
|
|
$request_body.="\r\n";
|
|
}
|
|
$request_body.="--".$boundary."--\r\n";
|
|
}
|
|
else
|
|
$request_body=$this->request_body;
|
|
curl_setopt($this->connection,CURLOPT_HEADER,1);
|
|
curl_setopt($this->connection,CURLOPT_RETURNTRANSFER,1);
|
|
if($this->timeout)
|
|
curl_setopt($this->connection,CURLOPT_TIMEOUT,$this->timeout);
|
|
curl_setopt($this->connection,CURLOPT_SSL_VERIFYPEER,0);
|
|
curl_setopt($this->connection,CURLOPT_SSL_VERIFYHOST,0);
|
|
$request=$this->request."\r\n".implode("\r\n",$headers)."\r\n\r\n".$request_body;
|
|
curl_setopt($this->connection,CURLOPT_CUSTOMREQUEST,$request);
|
|
if($this->debug)
|
|
$this->OutputDebug("C ".$request);
|
|
if(!($success=(strlen($this->response=curl_exec($this->connection))!=0)))
|
|
{
|
|
$error=curl_error($this->connection);
|
|
$this->SetError("Could not execute the request".(strlen($error) ? ": ".$error : ""), HTTP_CLIENT_ERROR_PROTOCOL_FAILURE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(($success=$this->PutLine($this->request)))
|
|
{
|
|
for($header=0;$header<count($headers);$header++)
|
|
{
|
|
if(!$success=$this->PutLine($headers[$header]))
|
|
break;
|
|
}
|
|
if($success
|
|
&& ($success=$this->PutLine("")))
|
|
{
|
|
if(IsSet($arguments['StreamRequest']))
|
|
$next_state = "SendingRequestBody";
|
|
elseif($body_length)
|
|
{
|
|
if(strlen($this->request_body))
|
|
$success=$this->PutData($this->request_body);
|
|
else
|
|
{
|
|
for($part=0;$part<count($post_parts);$part++)
|
|
{
|
|
if(!($success=$this->PutData($post_parts[$part]["HEADERS"]))
|
|
|| !($success=$this->PutData($post_parts[$part]["DATA"])))
|
|
break;
|
|
if(IsSet($post_parts[$part]["FILENAME"]))
|
|
{
|
|
if(!($file=@fopen($post_parts[$part]["FILENAME"],"rb")))
|
|
{
|
|
$this->SetPHPError("could not open upload file ".$post_parts[$part]["FILENAME"], $php_errormsg, HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE);
|
|
$success=0;
|
|
break;
|
|
}
|
|
while(!feof($file))
|
|
{
|
|
if(GetType($block=@fread($file,$this->file_buffer_length))!="string")
|
|
{
|
|
$this->SetPHPError("could not read upload file", $php_errormsg, HTTP_CLIENT_ERROR_CANNOT_ACCESS_LOCAL_FILE);
|
|
$success=0;
|
|
break;
|
|
}
|
|
if(!($success=$this->PutData($block)))
|
|
break;
|
|
}
|
|
fclose($file);
|
|
if(!$success)
|
|
break;
|
|
}
|
|
if(!($success=$this->PutLine("")))
|
|
break;
|
|
}
|
|
if($success)
|
|
$success=$this->PutLine("--".$boundary."--");
|
|
}
|
|
if($success)
|
|
$sucess=$this->FlushData();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(!$success)
|
|
return($this->SetError("could not send the HTTP request: ".$this->error, $this->error_code));
|
|
$this->state=$next_state;
|
|
return("");
|
|
}
|
|
|
|
Function SetCookie($name, $value, $expires="" , $path="/" , $domain="" , $secure=0, $verbatim=0)
|
|
{
|
|
if(strlen($this->error))
|
|
return($this->error);
|
|
if(strlen($name)==0)
|
|
return($this->SetError("it was not specified a valid cookie name", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
if(strlen($path)==0
|
|
|| strcmp($path[0],"/"))
|
|
return($this->SetError($path." is not a valid path for setting cookie ".$name, HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
if($domain==""
|
|
|| !strpos($domain,".",$domain[0]=="." ? 1 : 0))
|
|
return($this->SetError($domain." is not a valid domain for setting cookie ".$name, HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$domain=strtolower($domain);
|
|
if(!strcmp($domain[0],"."))
|
|
$domain=substr($domain,1);
|
|
if(!$verbatim)
|
|
{
|
|
$name=$this->CookieEncode($name,1);
|
|
$value=$this->CookieEncode($value,0);
|
|
}
|
|
$secure=intval($secure);
|
|
$this->cookies[$secure][$domain][$path][$name]=array(
|
|
"name"=>$name,
|
|
"value"=>$value,
|
|
"domain"=>$domain,
|
|
"path"=>$path,
|
|
"expires"=>$expires,
|
|
"secure"=>$secure
|
|
);
|
|
return("");
|
|
}
|
|
|
|
Function SendRequestBody($data, $end_of_data)
|
|
{
|
|
if(strlen($this->error))
|
|
return($this->error);
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return($this->SetError("connection was not yet established", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "Connected":
|
|
case "ConnectedToProxy":
|
|
return($this->SetError("request was not sent", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "SendingRequestBody":
|
|
break;
|
|
case "RequestSent":
|
|
return($this->SetError("request body was already sent", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
default:
|
|
return($this->SetError("can not send the request body in the current connection state", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
}
|
|
$length = strlen($data);
|
|
if($length)
|
|
{
|
|
$size = dechex($length)."\r\n";
|
|
if(!$this->PutData($size)
|
|
|| !$this->PutData($data))
|
|
return($this->error);
|
|
}
|
|
if($end_of_data)
|
|
{
|
|
$size = "0\r\n";
|
|
if(!$this->PutData($size))
|
|
return($this->error);
|
|
$this->state = "RequestSent";
|
|
}
|
|
return("");
|
|
}
|
|
|
|
Function ReadReplyHeadersResponse(&$headers)
|
|
{
|
|
$headers=array();
|
|
if(strlen($this->error))
|
|
return($this->error);
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return($this->SetError("connection was not yet established", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "Connected":
|
|
return($this->SetError("request was not sent", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "ConnectedToProxy":
|
|
return($this->SetError("connection from the remote server from the proxy was not yet established", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "SendingRequestBody":
|
|
return($this->SetError("request body data was not completely sent", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "ConnectSent":
|
|
$connect = 1;
|
|
break;
|
|
case "RequestSent":
|
|
$connect = 0;
|
|
break;
|
|
default:
|
|
return($this->SetError("can not get request headers in the current connection state", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
}
|
|
$this->content_length=$this->read_length=$this->read_response=$this->remaining_chunk=0;
|
|
$this->content_length_set=$this->chunked=$this->last_chunk_read=$chunked=0;
|
|
$this->force_close = $this->connection_close=0;
|
|
for($this->response_status="";;)
|
|
{
|
|
$line=$this->GetLine();
|
|
if(GetType($line)!="string")
|
|
return($this->SetError("could not read request reply: ".$this->error, $this->error_code));
|
|
if(strlen($this->response_status)==0)
|
|
{
|
|
if(!preg_match($match="/^http\\/[0-9]+\\.[0-9]+[ \t]+([0-9]+)[ \t]*(.*)\$/i",$line,$matches))
|
|
return($this->SetError("it was received an unexpected HTTP response status", HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
$this->response_status=$matches[1];
|
|
$this->response_message=$matches[2];
|
|
}
|
|
if($line=="")
|
|
{
|
|
if(strlen($this->response_status)==0)
|
|
return($this->SetError("it was not received HTTP response status", HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
$this->state=($connect ? "GotConnectHeaders" : "GotReplyHeaders");
|
|
break;
|
|
}
|
|
$header_name=strtolower($this->Tokenize($line,":"));
|
|
$header_value=Trim(Chop($this->Tokenize("\r\n")));
|
|
if(IsSet($headers[$header_name]))
|
|
{
|
|
if(GetType($headers[$header_name])=="string")
|
|
$headers[$header_name]=array($headers[$header_name]);
|
|
$headers[$header_name][]=$header_value;
|
|
}
|
|
else
|
|
$headers[$header_name]=$header_value;
|
|
if(!$connect)
|
|
{
|
|
switch($header_name)
|
|
{
|
|
case "content-length":
|
|
$this->content_length=intval($headers[$header_name]);
|
|
$this->content_length_set=1;
|
|
break;
|
|
case "transfer-encoding":
|
|
$encoding=$this->Tokenize($header_value,"; \t");
|
|
if(!$this->use_curl
|
|
&& !strcmp($encoding,"chunked"))
|
|
$chunked=1;
|
|
break;
|
|
case "set-cookie":
|
|
if($this->support_cookies)
|
|
{
|
|
if(GetType($headers[$header_name])=="array")
|
|
$cookie_headers=$headers[$header_name];
|
|
else
|
|
$cookie_headers=array($headers[$header_name]);
|
|
for($cookie=0;$cookie<count($cookie_headers);$cookie++)
|
|
{
|
|
$cookie_name=trim($this->Tokenize($cookie_headers[$cookie],"="));
|
|
$cookie_value=$this->Tokenize(";");
|
|
$domain=$this->request_host;
|
|
$path="/";
|
|
$expires="";
|
|
$secure=0;
|
|
while(($name = strtolower(trim(UrlDecode($this->Tokenize("=")))))!="")
|
|
{
|
|
$value=UrlDecode($this->Tokenize(";"));
|
|
switch($name)
|
|
{
|
|
case "domain":
|
|
$domain=$value;
|
|
break;
|
|
case "path":
|
|
$path=$value;
|
|
break;
|
|
case "expires":
|
|
if(preg_match("/^((Mon|Monday|Tue|Tuesday|Wed|Wednesday|Thu|Thursday|Fri|Friday|Sat|Saturday|Sun|Sunday), )?([0-9]{2})\\-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\-([0-9]{2,4}) ([0-9]{2})\\:([0-9]{2})\\:([0-9]{2}) GMT\$/",$value,$matches))
|
|
{
|
|
$year=intval($matches[5]);
|
|
if($year<1900)
|
|
$year+=($year<70 ? 2000 : 1900);
|
|
$expires="$year-".$this->months[$matches[4]]."-".$matches[3]." ".$matches[6].":".$matches[7].":".$matches[8];
|
|
}
|
|
break;
|
|
case "secure":
|
|
$secure=1;
|
|
break;
|
|
}
|
|
}
|
|
if(strlen($this->SetCookie($cookie_name, $cookie_value, $expires, $path , $domain, $secure, 1)))
|
|
$this->error="";
|
|
}
|
|
}
|
|
break;
|
|
case "connection":
|
|
$this->force_close = $this->connection_close=!strcmp(strtolower($header_value),"close");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
$this->chunked=$chunked;
|
|
if($this->content_length_set)
|
|
$this->connection_close=0;
|
|
return("");
|
|
}
|
|
|
|
Function Redirect(&$headers)
|
|
{
|
|
if($this->follow_redirect)
|
|
{
|
|
if(!IsSet($headers["location"])
|
|
|| (GetType($headers["location"])!="array"
|
|
&& strlen($location=$headers["location"])==0)
|
|
|| (GetType($headers["location"])=="array"
|
|
&& strlen($location=$headers["location"][0])==0))
|
|
return($this->SetError("it was received a redirect without location URL", HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
if(strcmp($location[0],"/"))
|
|
{
|
|
if(!($location_arguments=@parse_url($location)))
|
|
return($this->SetError("the server did not return a valid redirection location URL", HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
if(!IsSet($location_arguments["scheme"]))
|
|
$location=((GetType($end=strrpos($this->request_uri,"/"))=="integer" && $end>1) ? substr($this->request_uri,0,$end) : "")."/".$location;
|
|
}
|
|
if(!strcmp($location[0],"/"))
|
|
$location=$this->protocol."://".$this->host_name.($this->host_port ? ":".$this->host_port : "").$location;
|
|
$error=$this->GetRequestArguments($location,$arguments);
|
|
if(strlen($error))
|
|
return($this->SetError("could not process redirect url: ".$error, HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
$arguments["RequestMethod"]="GET";
|
|
if(strlen($error=$this->Close())==0
|
|
&& strlen($error=$this->Open($arguments))==0
|
|
&& strlen($error=$this->SendRequest($arguments))==0)
|
|
{
|
|
$this->redirection_level++;
|
|
if($this->redirection_level>$this->redirection_limit)
|
|
{
|
|
$error="it was exceeded the limit of request redirections";
|
|
$this->error_code = HTTP_CLIENT_ERROR_PROTOCOL_FAILURE;
|
|
}
|
|
else
|
|
$error=$this->ReadReplyHeaders($headers);
|
|
$this->redirection_level--;
|
|
}
|
|
if(strlen($error))
|
|
return($this->SetError($error, $this->error_code));
|
|
}
|
|
return("");
|
|
}
|
|
|
|
Function Authenticate(&$headers, $proxy, &$proxy_authorization, &$user, &$password, &$realm, &$workstation)
|
|
{
|
|
if($proxy)
|
|
{
|
|
$authenticate_header="proxy-authenticate";
|
|
$authorization_header="Proxy-Authorization";
|
|
$authenticate_status="407";
|
|
$authentication_mechanism=$this->proxy_authentication_mechanism;
|
|
}
|
|
else
|
|
{
|
|
$authenticate_header="www-authenticate";
|
|
$authorization_header="Authorization";
|
|
$authenticate_status="401";
|
|
$authentication_mechanism=$this->authentication_mechanism;
|
|
}
|
|
if(IsSet($headers[$authenticate_header])
|
|
&& $this->sasl_authenticate)
|
|
{
|
|
if(function_exists("class_exists")
|
|
&& !class_exists("sasl_client_class"))
|
|
return($this->SetError("the SASL client class needs to be loaded to be able to authenticate".($proxy ? " with the proxy server" : "")." and access this site", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
if(GetType($headers[$authenticate_header])=="array")
|
|
$authenticate=$headers[$authenticate_header];
|
|
else
|
|
$authenticate=array($headers[$authenticate_header]);
|
|
for($response="", $mechanisms=array(),$m=0;$m<count($authenticate);$m++)
|
|
{
|
|
$mechanism=$this->Tokenize($authenticate[$m]," ");
|
|
$response=$this->Tokenize("");
|
|
if(strlen($authentication_mechanism))
|
|
{
|
|
if(!strcmp($authentication_mechanism,$mechanism))
|
|
{
|
|
$mechanisms[]=$mechanism;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
$mechanisms[]=$mechanism;
|
|
}
|
|
$sasl=new sasl_client_class;
|
|
if(IsSet($user))
|
|
$sasl->SetCredential("user",$user);
|
|
if(IsSet($password))
|
|
$sasl->SetCredential("password",$password);
|
|
if(IsSet($realm))
|
|
$sasl->SetCredential("realm",$realm);
|
|
if(IsSet($workstation))
|
|
$sasl->SetCredential("workstation",$workstation);
|
|
$sasl->SetCredential("uri",$this->request_uri);
|
|
$sasl->SetCredential("method",$this->request_method);
|
|
$sasl->SetCredential("session",$this->session);
|
|
do
|
|
{
|
|
$status=$sasl->Start($mechanisms,$message,$interactions);
|
|
}
|
|
while($status==SASL_INTERACT);
|
|
switch($status)
|
|
{
|
|
case SASL_CONTINUE:
|
|
break;
|
|
case SASL_NOMECH:
|
|
return($this->SetError(($proxy ? "proxy " : "")."authentication error: ".(strlen($authentication_mechanism) ? "authentication mechanism ".$authentication_mechanism." may not be used: " : "").$sasl->error, HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
default:
|
|
return($this->SetError("Could not start the SASL ".($proxy ? "proxy " : "")."authentication client: ".$sasl->error, HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
}
|
|
if($proxy >= 0)
|
|
{
|
|
for(;;)
|
|
{
|
|
if(strlen($error=$this->ReadReplyBody($body,$this->file_buffer_length)))
|
|
return($error);
|
|
if(strlen($body)==0)
|
|
break;
|
|
}
|
|
}
|
|
$authorization_value=$sasl->mechanism.(IsSet($message) ? " ".($sasl->encode_response ? base64_encode($message) : $message) : "");
|
|
$request_arguments=$this->request_arguments;
|
|
$arguments=$request_arguments;
|
|
$arguments["Headers"][$authorization_header]=$authorization_value;
|
|
if(!$proxy
|
|
&& strlen($proxy_authorization))
|
|
$arguments["Headers"]["Proxy-Authorization"]=$proxy_authorization;
|
|
if(strlen($error=$this->Close())
|
|
|| strlen($error=$this->Open($arguments)))
|
|
return($this->SetError($error, $this->error_code));
|
|
$authenticated=0;
|
|
if(IsSet($message))
|
|
{
|
|
if($proxy < 0)
|
|
{
|
|
if(strlen($error=$this->ConnectFromProxy($arguments, $headers)))
|
|
return($this->SetError($error, $this->error_code));
|
|
}
|
|
else
|
|
{
|
|
if(strlen($error=$this->SendRequest($arguments))
|
|
|| strlen($error=$this->ReadReplyHeadersResponse($headers)))
|
|
return($this->SetError($error, $this->error_code));
|
|
}
|
|
if(!IsSet($headers[$authenticate_header]))
|
|
$authenticate=array();
|
|
elseif(GetType($headers[$authenticate_header])=="array")
|
|
$authenticate=$headers[$authenticate_header];
|
|
else
|
|
$authenticate=array($headers[$authenticate_header]);
|
|
for($mechanism=0;$mechanism<count($authenticate);$mechanism++)
|
|
{
|
|
if(!strcmp($this->Tokenize($authenticate[$mechanism]," "),$sasl->mechanism))
|
|
{
|
|
$response=$this->Tokenize("");
|
|
break;
|
|
}
|
|
}
|
|
switch($this->response_status)
|
|
{
|
|
case $authenticate_status:
|
|
break;
|
|
case "301":
|
|
case "302":
|
|
case "303":
|
|
case "307":
|
|
if($proxy >= 0)
|
|
return($this->Redirect($headers));
|
|
default:
|
|
if(intval($this->response_status/100)==2)
|
|
{
|
|
if($proxy)
|
|
$proxy_authorization=$authorization_value;
|
|
$authenticated=1;
|
|
break;
|
|
}
|
|
if($proxy
|
|
&& !strcmp($this->response_status,"401"))
|
|
{
|
|
$proxy_authorization=$authorization_value;
|
|
$authenticated=1;
|
|
break;
|
|
}
|
|
return($this->SetError(($proxy ? "proxy " : "")."authentication error: ".$this->response_status." ".$this->response_message, HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
}
|
|
}
|
|
for(;!$authenticated;)
|
|
{
|
|
do
|
|
{
|
|
$status=$sasl->Step($response,$message,$interactions);
|
|
}
|
|
while($status==SASL_INTERACT);
|
|
switch($status)
|
|
{
|
|
case SASL_CONTINUE:
|
|
$authorization_value=$sasl->mechanism.(IsSet($message) ? " ".($sasl->encode_response ? base64_encode($message) : $message) : "");
|
|
$arguments=$request_arguments;
|
|
$arguments["Headers"][$authorization_header]=$authorization_value;
|
|
if(!$proxy
|
|
&& strlen($proxy_authorization))
|
|
$arguments["Headers"]["Proxy-Authorization"]=$proxy_authorization;
|
|
if($proxy < 0)
|
|
{
|
|
if(strlen($error=$this->ConnectFromProxy($arguments, $headers)))
|
|
return($this->SetError($error, $this->error_code));
|
|
}
|
|
else
|
|
{
|
|
if(strlen($error=$this->SendRequest($arguments))
|
|
|| strlen($error=$this->ReadReplyHeadersResponse($headers)))
|
|
return($this->SetError($error, $this->error_code));
|
|
}
|
|
switch($this->response_status)
|
|
{
|
|
case $authenticate_status:
|
|
if(GetType($headers[$authenticate_header])=="array")
|
|
$authenticate=$headers[$authenticate_header];
|
|
else
|
|
$authenticate=array($headers[$authenticate_header]);
|
|
for($response="",$mechanism=0;$mechanism<count($authenticate);$mechanism++)
|
|
{
|
|
if(!strcmp($this->Tokenize($authenticate[$mechanism]," "),$sasl->mechanism))
|
|
{
|
|
$response=$this->Tokenize("");
|
|
break;
|
|
}
|
|
}
|
|
if($proxy >= 0)
|
|
{
|
|
for(;;)
|
|
{
|
|
if(strlen($error=$this->ReadReplyBody($body,$this->file_buffer_length)))
|
|
return($error);
|
|
if(strlen($body)==0)
|
|
break;
|
|
}
|
|
}
|
|
$this->state="Connected";
|
|
break;
|
|
case "301":
|
|
case "302":
|
|
case "303":
|
|
case "307":
|
|
if($proxy >= 0)
|
|
return($this->Redirect($headers));
|
|
default:
|
|
if(intval($this->response_status/100)==2)
|
|
{
|
|
if($proxy)
|
|
$proxy_authorization=$authorization_value;
|
|
$authenticated=1;
|
|
break;
|
|
}
|
|
if($proxy
|
|
&& !strcmp($this->response_status,"401"))
|
|
{
|
|
$proxy_authorization=$authorization_value;
|
|
$authenticated=1;
|
|
break;
|
|
}
|
|
return($this->SetError(($proxy ? "proxy " : "")."authentication error: ".$this->response_status." ".$this->response_message));
|
|
}
|
|
break;
|
|
default:
|
|
return($this->SetError("Could not process the SASL ".($proxy ? "proxy " : "")."authentication step: ".$sasl->error, HTTP_CLIENT_ERROR_PROTOCOL_FAILURE));
|
|
}
|
|
}
|
|
}
|
|
return("");
|
|
}
|
|
|
|
Function ReadReplyHeaders(&$headers)
|
|
{
|
|
if(strlen($error=$this->ReadReplyHeadersResponse($headers)))
|
|
return($error);
|
|
$proxy_authorization="";
|
|
while(!strcmp($this->response_status, "100"))
|
|
{
|
|
$this->state="RequestSent";
|
|
if(strlen($error=$this->ReadReplyHeadersResponse($headers)))
|
|
return($error);
|
|
}
|
|
switch($this->response_status)
|
|
{
|
|
case "301":
|
|
case "302":
|
|
case "303":
|
|
case "307":
|
|
if(strlen($error=$this->Redirect($headers)))
|
|
return($error);
|
|
break;
|
|
case "407":
|
|
if(strlen($error=$this->Authenticate($headers, 1, $proxy_authorization, $this->proxy_request_user, $this->proxy_request_password, $this->proxy_request_realm, $this->proxy_request_workstation)))
|
|
return($error);
|
|
if(strcmp($this->response_status,"401"))
|
|
return("");
|
|
case "401":
|
|
return($this->Authenticate($headers, 0, $proxy_authorization, $this->request_user, $this->request_password, $this->request_realm, $this->request_workstation));
|
|
}
|
|
return("");
|
|
}
|
|
|
|
Function ReadReplyBody(&$body,$length)
|
|
{
|
|
$body="";
|
|
if(strlen($this->error))
|
|
return($this->error);
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return($this->SetError("connection was not yet established", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "Connected":
|
|
case "ConnectedToProxy":
|
|
return($this->SetError("request was not sent", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
case "RequestSent":
|
|
if(($error=$this->ReadReplyHeaders($headers))!="")
|
|
return($error);
|
|
break;
|
|
case "GotReplyHeaders":
|
|
break;
|
|
case 'ResponseReceived':
|
|
$body = '';
|
|
return('');
|
|
default:
|
|
return($this->SetError("can not get request headers in the current connection state", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
}
|
|
if($this->content_length_set)
|
|
$length=min($this->content_length-$this->read_length,$length);
|
|
$body = '';
|
|
if($length>0)
|
|
{
|
|
if(!$this->EndOfInput()
|
|
&& ($body=$this->ReadBytes($length))=="")
|
|
{
|
|
if(strlen($this->error))
|
|
return($this->SetError("could not get the request reply body: ".$this->error, $this->error_code));
|
|
}
|
|
$this->read_length+=strlen($body);
|
|
if($this->EndOfInput())
|
|
$this->state = 'ResponseReceived';
|
|
}
|
|
return("");
|
|
}
|
|
|
|
Function ReadWholeReplyBody(&$body)
|
|
{
|
|
$body = '';
|
|
for(;;)
|
|
{
|
|
if(strlen($error = $this->ReadReplyBody($block, $this->file_buffer_length)))
|
|
return($error);
|
|
if(strlen($block) == 0)
|
|
return('');
|
|
$body .= $block;
|
|
}
|
|
}
|
|
|
|
Function SaveCookies(&$cookies, $domain='', $secure_only=0, $persistent_only=0)
|
|
{
|
|
$now=gmdate("Y-m-d H-i-s");
|
|
$cookies=array();
|
|
for($secure_cookies=0,Reset($this->cookies);$secure_cookies<count($this->cookies);Next($this->cookies),$secure_cookies++)
|
|
{
|
|
$secure=Key($this->cookies);
|
|
if(!$secure_only
|
|
|| $secure)
|
|
{
|
|
for($cookie_domain=0,Reset($this->cookies[$secure]);$cookie_domain<count($this->cookies[$secure]);Next($this->cookies[$secure]),$cookie_domain++)
|
|
{
|
|
$domain_pattern=Key($this->cookies[$secure]);
|
|
$match=strlen($domain)-strlen($domain_pattern);
|
|
if(strlen($domain)==0
|
|
|| ($match>=0
|
|
&& !strcmp($domain_pattern,substr($domain,$match))
|
|
&& ($match==0
|
|
|| $domain_pattern[0]=="."
|
|
|| $domain[$match-1]==".")))
|
|
{
|
|
for(Reset($this->cookies[$secure][$domain_pattern]),$path_part=0;$path_part<count($this->cookies[$secure][$domain_pattern]);Next($this->cookies[$secure][$domain_pattern]),$path_part++)
|
|
{
|
|
$path=Key($this->cookies[$secure][$domain_pattern]);
|
|
for(Reset($this->cookies[$secure][$domain_pattern][$path]),$cookie=0;$cookie<count($this->cookies[$secure][$domain_pattern][$path]);Next($this->cookies[$secure][$domain_pattern][$path]),$cookie++)
|
|
{
|
|
$cookie_name=Key($this->cookies[$secure][$domain_pattern][$path]);
|
|
$expires=$this->cookies[$secure][$domain_pattern][$path][$cookie_name]["expires"];
|
|
if((!$persistent_only
|
|
&& strlen($expires)==0)
|
|
|| (strlen($expires)
|
|
&& strcmp($now,$expires)<0))
|
|
$cookies[$secure][$domain_pattern][$path][$cookie_name]=$this->cookies[$secure][$domain_pattern][$path][$cookie_name];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Function SavePersistentCookies(&$cookies, $domain='', $secure_only=0)
|
|
{
|
|
$this->SaveCookies($cookies, $domain, $secure_only, 1);
|
|
}
|
|
|
|
Function GetPersistentCookies(&$cookies, $domain='', $secure_only=0)
|
|
{
|
|
$this->SavePersistentCookies($cookies, $domain, $secure_only);
|
|
}
|
|
|
|
Function RestoreCookies($cookies, $clear=1)
|
|
{
|
|
$new_cookies=($clear ? array() : $this->cookies);
|
|
for($secure_cookies=0, Reset($cookies); $secure_cookies<count($cookies); Next($cookies), $secure_cookies++)
|
|
{
|
|
$secure=Key($cookies);
|
|
if(GetType($secure)!="integer")
|
|
return($this->SetError("invalid cookie secure value type (".serialize($secure).")", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
for($cookie_domain=0,Reset($cookies[$secure]);$cookie_domain<count($cookies[$secure]);Next($cookies[$secure]),$cookie_domain++)
|
|
{
|
|
$domain_pattern=Key($cookies[$secure]);
|
|
if(GetType($domain_pattern)!="string")
|
|
return($this->SetError("invalid cookie domain value type (".serialize($domain_pattern).")", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
for(Reset($cookies[$secure][$domain_pattern]),$path_part=0;$path_part<count($cookies[$secure][$domain_pattern]);Next($cookies[$secure][$domain_pattern]),$path_part++)
|
|
{
|
|
$path=Key($cookies[$secure][$domain_pattern]);
|
|
if(GetType($path)!="string"
|
|
|| strcmp(substr($path, 0, 1), "/"))
|
|
return($this->SetError("invalid cookie path value type (".serialize($path).")", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
for(Reset($cookies[$secure][$domain_pattern][$path]),$cookie=0;$cookie<count($cookies[$secure][$domain_pattern][$path]);Next($cookies[$secure][$domain_pattern][$path]),$cookie++)
|
|
{
|
|
$cookie_name=Key($cookies[$secure][$domain_pattern][$path]);
|
|
$expires=$cookies[$secure][$domain_pattern][$path][$cookie_name]["expires"];
|
|
$value=$cookies[$secure][$domain_pattern][$path][$cookie_name]["value"];
|
|
if(GetType($expires)!="string"
|
|
|| (strlen($expires)
|
|
&& !preg_match("/^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}\$/", $expires)))
|
|
return($this->SetError("invalid cookie expiry value type (".serialize($expires).")", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
|
|
$new_cookies[$secure][$domain_pattern][$path][$cookie_name]=array(
|
|
"name"=>$cookie_name,
|
|
"value"=>$value,
|
|
"domain"=>$domain_pattern,
|
|
"path"=>$path,
|
|
"expires"=>$expires,
|
|
"secure"=>$secure
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$this->cookies=$new_cookies;
|
|
return("");
|
|
}
|
|
};
|
|
|
|
?>
|