/** * Send a HTTP request to a URI using cURL extension. * * @access public * @since 2.7.0 * * @param string $url * @param str|array $args Optional. Override the defaults. * @return array 'headers', 'body', 'response', 'cookies' and 'filename' keys. */ function request($url, $args = array()) { $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array()); $r = array_merge($defaults, $args); if (isset($r['headers']['User-Agent'])) { $r['user-agent'] = $r['headers']['User-Agent']; unset($r['headers']['User-Agent']); } else { if (isset($r['headers']['user-agent'])) { $r['user-agent'] = $r['headers']['user-agent']; unset($r['headers']['user-agent']); } } // Construct Cookie: header if any cookies are set. \Leeflets\Http::buildCookieHeader($r); $handle = curl_init(); // cURL offers really easy proxy support. $proxy = new Proxy(); if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) { curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP); curl_setopt($handle, CURLOPT_PROXY, $proxy->host()); curl_setopt($handle, CURLOPT_PROXYPORT, $proxy->port()); if ($proxy->use_authentication()) { curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY); curl_setopt($handle, CURLOPT_PROXYUSERPWD, $proxy->authentication()); } } $is_local = isset($r['local']) && $r['local']; $ssl_verify = isset($r['sslverify']) && $r['sslverify']; if ($is_local) { $ssl_verify = $this->hook->apply('https_local_ssl_verify', $ssl_verify); } elseif (!$is_local) { $ssl_verify = $this->hook->apply('https_ssl_verify', $ssl_verify); } // CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since // a value of 0 will allow an unlimited timeout. $timeout = (int) ceil($r['timeout']); curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, $timeout); curl_setopt($handle, CURLOPT_TIMEOUT, $timeout); curl_setopt($handle, CURLOPT_URL, $url); curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, $ssl_verify === true ? 2 : false); curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify); curl_setopt($handle, CURLOPT_USERAGENT, $r['user-agent']); // The option doesn't work with safe mode or when open_basedir is set, and there's a // bug #17490 with redirected POST requests, so handle redirections outside Curl. curl_setopt($handle, CURLOPT_FOLLOWLOCATION, false); switch ($r['method']) { case 'HEAD': curl_setopt($handle, CURLOPT_NOBODY, true); break; case 'POST': curl_setopt($handle, CURLOPT_POST, true); curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']); break; case 'PUT': curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'PUT'); curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']); break; default: curl_setopt($handle, CURLOPT_CUSTOMREQUEST, $r['method']); if (!is_null($r['body'])) { curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']); } break; } if (true === $r['blocking']) { curl_setopt($handle, CURLOPT_HEADERFUNCTION, array($this, 'stream_headers')); } curl_setopt($handle, CURLOPT_HEADER, false); // If streaming to a file open a file handle, and setup our curl streaming handler if ($r['stream']) { if (!$this->config->debug) { $stream_handle = @fopen($r['filename'], 'w+'); } else { $stream_handle = fopen($r['filename'], 'w+'); } if (!$stream_handle) { return new \Leeflets\Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename'])); } curl_setopt($handle, CURLOPT_FILE, $stream_handle); } if (!empty($r['headers'])) { // cURL expects full header strings in each element $headers = array(); foreach ($r['headers'] as $name => $value) { $headers[] = "{$name}: {$value}"; } curl_setopt($handle, CURLOPT_HTTPHEADER, $headers); } if ($r['httpversion'] == '1.0') { curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); } else { curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); } // Cookies are not handled by the HTTP API currently. Allow for plugin authors to handle it // themselves... Although, it is somewhat pointless without some reference. //do_action_ref_array( 'http_api_curl', array( &$handle ) ); // We don't need to return the body, so don't. Just execute request and return. if (!$r['blocking']) { curl_exec($handle); curl_close($handle); return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array()); } $theResponse = curl_exec($handle); $theBody = ''; $theHeaders = \Leeflets\Http::processHeaders($this->headers); if (strlen($theResponse) > 0 && !is_bool($theResponse)) { // is_bool: when using $args['stream'], curl_exec will return (bool)true $theBody = $theResponse; } // If no response if (0 == strlen($theResponse) && empty($theHeaders['headers'])) { if ($curl_error = curl_error($handle)) { return new \Leeflets\Error('http_request_failed', $curl_error); } if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) { return new \Leeflets\Error('http_request_failed', __('Too many redirects.')); } } $this->headers = ''; $response = array(); $response['code'] = curl_getinfo($handle, CURLINFO_HTTP_CODE); $response['message'] = \Leeflets\Http::get_status_header_desc($response['code']); curl_close($handle); if ($r['stream']) { fclose($stream_handle); } // See #11305 - When running under safe mode, redirection is disabled above. Handle it manually. if (!empty($theHeaders['headers']['location']) && 0 !== $r['_redirection']) { // _redirection: The requested number of redirections if ($r['redirection']-- > 0) { return $this->request(\Leeflets\Http::make_absolute_url($theHeaders['headers']['location'], $url), $r); } else { return new \Leeflets\Error('http_request_failed', __('Too many redirects.')); } } if (true === $r['decompress'] && true === Encoding::should_decode($theHeaders['headers'])) { $theBody = Encoding::decompress($theBody); } return array('headers' => $theHeaders['headers'], 'body' => $theBody, 'response' => $response, 'cookies' => $theHeaders['cookies'], 'filename' => $r['filename']); }
/** * * @param mixed $url * @param mixed $args * @return */ public function request($url, $args = array()) { $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array()); $args = Http::build_args($args, $defaults); // Get User Agent if (isset($args['headers']['User-Agent'])) { $args['user-agent'] = $args['headers']['User-Agent']; unset($args['headers']['User-Agent']); } elseif (isset($args['headers']['user-agent'])) { $args['user-agent'] = $args['headers']['user-agent']; unset($args['headers']['user-agent']); } // Get Referer if (isset($args['headers']['Referer'])) { $args['referer'] = $args['headers']['Referer']; unset($args['headers']['Referer']); } elseif (isset($args['headers']['referer'])) { $args['referer'] = $args['headers']['referer']; unset($args['headers']['referer']); } // Construct Cookie: header if any cookies are set. Http::buildCookieHeader($args); $handle = curl_init(); /* // No Proxy setting so proxy be omitted // cURL offers really easy proxy support. $proxy = new Http_proxy(); if( $proxy->is_enabled() and $proxy->send_through_proxy( $url ) ) { curl_setopt( $handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP ); curl_setopt( $handle, CURLOPT_PROXY, $proxy->host() ); curl_setopt( $handle, CURLOPT_PROXYPORT, $proxy->port() ); if( $proxy->use_authentication() ) { curl_setopt( $handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY ); curl_setopt( $handle, CURLOPT_PROXYUSERPWD, $proxy->authentication() ); } } */ $is_local = isset($args['local']) and $args['local']; $ssl_verify = isset($args['sslverify']) and $args['sslverify']; // CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since // a value of 0 will allow an unlimited timeout. $timeout = (int) ceil($args['timeout']); curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, $timeout); curl_setopt($handle, CURLOPT_TIMEOUT, $timeout); curl_setopt($handle, CURLOPT_URL, $url); curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, $ssl_verify === true ? 2 : false); curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify); curl_setopt($handle, CURLOPT_CAINFO, $args['sslcertificates']); curl_setopt($handle, CURLOPT_USERAGENT, $args['user-agent']); // Add Curl referer if not empty if (!is_null($args['referer']) or !empty($args['referer'])) { curl_setopt($handle, CURLOPT_AUTOREFERER, true); curl_setopt($handle, CURLOPT_REFERER, $args['referer']); } // The option doesn't work with safe mode or when open_basedir is set, and there's a curl_setopt($handle, CURLOPT_FOLLOWLOCATION, false); if (defined('CURLOPT_PROTOCOLS')) { // PHP 5.2.10 / cURL 7.19.4 curl_setopt($handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS); } switch ($args['method']) { case 'HEAD': curl_setopt($handle, CURLOPT_NOBODY, true); break; case 'POST': curl_setopt($handle, CURLOPT_POST, true); curl_setopt($handle, CURLOPT_POSTFIELDS, $args['body']); break; case 'PUT': curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'PUT'); curl_setopt($handle, CURLOPT_POSTFIELDS, $args['body']); break; default: curl_setopt($handle, CURLOPT_CUSTOMREQUEST, $args['method']); if (!is_null($args['body'])) { curl_setopt($handle, CURLOPT_POSTFIELDS, $args['body']); } break; } if ($args['blocking'] === true) { curl_setopt($handle, CURLOPT_HEADERFUNCTION, array($this, 'stream_headers')); curl_setopt($handle, CURLOPT_WRITEFUNCTION, array($this, 'stream_body')); } curl_setopt($handle, CURLOPT_HEADER, false); if (isset($args['limit_response_size'])) { $this->max_body_length = intval($args['limit_response_size']); } else { $this->max_body_length = false; } // If streaming to a file open a file handle, and setup our curl streaming handler if ($args['stream']) { $this->stream_handle = @fopen($args['filename'], 'w+'); if (!$this->stream_handle) { Http::set_error(10); return $this; } } else { $this->stream_handle = false; } if (!empty($args['headers'])) { // cURL expects full header strings in each element $headers = array(); foreach ($args['headers'] as $name => $value) { $headers[] = "{$name}: {$value}"; } curl_setopt($handle, CURLOPT_HTTPHEADER, $headers); } if ($args['httpversion'] == '1.0') { curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); } else { curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); } // We don't need to return the body, so don't. Just execute request and return. if (!$args['blocking']) { curl_exec($handle); if ($curl_error = curl_error($handle)) { curl_close($handle); Http::set_error(11); return $this; } if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) { curl_close($handle); Http::set_error(5); return $this; } curl_close($handle); return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array()); } $theResponse = curl_exec($handle); $theHeaders = Http::processHeaders($this->headers, $url); $theBody = $this->body; $this->headers = ''; $this->body = ''; $curl_error = curl_errno($handle); // If an error occured, or, no response if ($curl_error or strlen($theBody) == 0 and empty($theHeaders['headers'])) { if (CURLE_WRITE_ERROR == $curl_error and $args['stream']) { fclose($this->stream_handle); Http::set_error(9); return $this; } if ($curl_error = curl_error($handle)) { curl_close($handle); Http::set_error(11); return $this; } if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) { curl_close($handle); Http::set_error(5); return $this; } } $response = array(); $response['code'] = curl_getinfo($handle, CURLINFO_HTTP_CODE); $response['message'] = $response['code']; curl_close($handle); if ($args['stream']) { fclose($this->stream_handle); } $response = array('headers' => $theHeaders['headers'], 'body' => null, 'response' => $response, 'cookies' => $theHeaders['cookies'], 'filename' => $args['filename']); // Handle redirects if (($redirect_response = Http::handle_redirects($url, $args, $response)) !== false) { return $redirect_response; } if ($args['decompress'] === true and Encoding::should_decode($theHeaders['headers']) === true) { $theBody = Encoding::decompress($theBody); } $response['body'] = str_replace("", "", $theBody); return $response; }
/** * Send a HTTP request to a URI using streams with fopen(). * * @access public * @since 2.7.0 * * @param string $url * @param str|array $args Optional. Override the defaults. * @return array 'headers', 'body', 'response', 'cookies' and 'filename' keys. */ function request($url, $args = array()) { $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array()); $r = array_merge($defaults, $args); if (isset($r['headers']['User-Agent'])) { $r['user-agent'] = $r['headers']['User-Agent']; unset($r['headers']['User-Agent']); } else { if (isset($r['headers']['user-agent'])) { $r['user-agent'] = $r['headers']['user-agent']; unset($r['headers']['user-agent']); } } // Construct Cookie: header if any cookies are set \Leeflets\Http::buildCookieHeader($r); $arrURL = parse_url($url); if (false === $arrURL) { return new \Leeflets\Error('http_request_failed', sprintf(__('Malformed URL: %s'), $url)); } if ('http' != $arrURL['scheme'] && 'https' != $arrURL['scheme']) { $url = preg_replace('|^' . preg_quote($arrURL['scheme'], '|') . '|', 'http', $url); } // Convert Header array to string. $strHeaders = ''; if (is_array($r['headers'])) { foreach ($r['headers'] as $name => $value) { $strHeaders .= "{$name}: {$value}\r\n"; } } else { if (is_string($r['headers'])) { $strHeaders = $r['headers']; } } $is_local = isset($args['local']) && $args['local']; $ssl_verify = isset($args['sslverify']) && $args['sslverify']; if ($is_local) { $ssl_verify = $this->hook->apply('https_local_ssl_verify', $ssl_verify); } elseif (!$is_local) { $ssl_verify = $this->hook->apply('https_ssl_verify', $ssl_verify); } $arrContext = array('http' => array('method' => strtoupper($r['method']), 'user_agent' => $r['user-agent'], 'max_redirects' => $r['redirection'] + 1, 'protocol_version' => (double) $r['httpversion'], 'header' => $strHeaders, 'ignore_errors' => true, 'timeout' => $r['timeout'], 'ssl' => array('verify_peer' => $ssl_verify, 'verify_host' => $ssl_verify))); $proxy = new Proxy(); if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) { $arrContext['http']['proxy'] = 'tcp://' . $proxy->host() . ':' . $proxy->port(); $arrContext['http']['request_fulluri'] = true; // We only support Basic authentication so this will only work if that is what your proxy supports. if ($proxy->use_authentication()) { $arrContext['http']['header'] .= $proxy->authentication_header() . "\r\n"; } } if (!is_null($r['body'])) { $arrContext['http']['content'] = $r['body']; } $context = stream_context_create($arrContext); if (!$this->config->debug) { $handle = @fopen($url, 'r', false, $context); } else { $handle = fopen($url, 'r', false, $context); } if (!$handle) { return new \Leeflets\Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url)); } $timeout = (int) floor($r['timeout']); $utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000; stream_set_timeout($handle, $timeout, $utimeout); if (!$r['blocking']) { stream_set_blocking($handle, 0); fclose($handle); return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array()); } if ($r['stream']) { if (!$this->config->debug) { $stream_handle = @fopen($r['filename'], 'w+'); } else { $stream_handle = fopen($r['filename'], 'w+'); } if (!$stream_handle) { return new \Leeflets\Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename'])); } stream_copy_to_stream($handle, $stream_handle); fclose($stream_handle); $strResponse = ''; } else { $strResponse = stream_get_contents($handle); } $meta = stream_get_meta_data($handle); fclose($handle); $processedHeaders = array(); if (isset($meta['wrapper_data']['headers'])) { $processedHeaders = \Leeflets\Http::processHeaders($meta['wrapper_data']['headers']); } else { $processedHeaders = \Leeflets\Http::processHeaders($meta['wrapper_data']); } // Streams does not provide an error code which we can use to see why the request stream stopped. // We can however test to see if a location header is present and return based on that. if (isset($processedHeaders['headers']['location']) && 0 !== $args['_redirection']) { return new \Leeflets\Error('http_request_failed', __('Too many redirects.')); } if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) { $strResponse = \Leeflets\Http::chunkTransferDecode($strResponse); } if (true === $r['decompress'] && true === Encoding::should_decode($processedHeaders['headers'])) { $strResponse = Encoding::decompress($strResponse); } return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response'], 'cookies' => $processedHeaders['cookies'], 'filename' => $r['filename']); }
/** * * @param mixed $url * @param mixed $args * @return */ public function request($url, $args = array()) { $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array()); $args = Http::build_args($args, $defaults); // Get user agent if (isset($args['headers']['User-Agent'])) { $args['user-agent'] = $args['headers']['User-Agent']; unset($args['headers']['User-Agent']); } elseif (isset($args['headers']['user-agent'])) { $args['user-agent'] = $args['headers']['user-agent']; unset($args['headers']['user-agent']); } // Get Referer if (isset($args['headers']['Referer'])) { $args['referer'] = $args['headers']['Referer']; unset($args['headers']['Referer']); } elseif (isset($args['headers']['referer'])) { $args['referer'] = $args['headers']['referer']; unset($args['headers']['referer']); } // Construct Cookie: header if any cookies are set Http::buildCookieHeader($args); $arrURL = parse_url($url); $connect_host = $arrURL['host']; $secure_transport = ($arrURL['scheme'] == 'ssl' or $arrURL['scheme'] == 'https'); if (!isset($arrURL['port'])) { if ($arrURL['scheme'] == 'ssl' or $arrURL['scheme'] == 'https') { $arrURL['port'] = 443; $secure_transport = true; } else { $arrURL['port'] = 80; } } if (isset($args['headers']['Host']) or isset($args['headers']['host'])) { if (isset($args['headers']['Host'])) { $arrURL['host'] = $args['headers']['Host']; } else { $arrURL['host'] = $args['headers']['host']; } unset($args['headers']['Host'], $args['headers']['host']); } // Certain versions of PHP have issues with 'localhost' and IPv6, It attempts to connect to ::1, // which fails when the server is not set up for it. For compatibility, always connect to the IPv4 address. if (strtolower($connect_host) == 'localhost') { $connect_host = '127.0.0.1'; } $connect_host = $secure_transport ? 'ssl://' . $connect_host : 'tcp://' . $connect_host; $is_local = isset($args['local']) and $args['local']; $ssl_verify = isset($args['sslverify']) and $args['sslverify']; // NukeViet has no proxy setup $context = stream_context_create(array('ssl' => array('verify_peer' => $ssl_verify, 'capture_peer_cert' => $ssl_verify, 'SNI_enabled' => true, 'cafile' => $args['sslcertificates'], 'allow_self_signed' => !$ssl_verify))); $timeout = (int) floor($args['timeout']); $utimeout = $timeout == $args['timeout'] ? 0 : 1000000 * $args['timeout'] % 1000000; $connect_timeout = max($timeout, 1); $connection_error = null; // Store error number $connection_error_str = null; // Store error string // In the event that the SSL connection fails, silence the many PHP Warnings if ($secure_transport) { $error_reporting = error_reporting(0); } // No proxy option on NukeViet, maybe in future!!!! //if( $proxy->is_enabled() and $proxy->send_through_proxy( $url ) ) //{ // $handle = @stream_socket_client( 'tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context ); //} //else //{ $handle = @stream_socket_client($connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context); //} if ($secure_transport) { error_reporting($error_reporting); } if ($handle === false) { // SSL connection failed due to expired/invalid cert, or, OpenSSL configuration is broken if ($secure_transport and $connection_error === 0 and $connection_error_str === '') { Http::set_error(6); return false; } Http::set_error(7); return false; } // Verify that the SSL certificate is valid for this request if ($secure_transport and $ssl_verify) { if (!self::verify_ssl_certificate($handle, $arrURL['host'])) { Http::set_error(6); return false; } } stream_set_timeout($handle, $timeout, $utimeout); //if( $proxy->is_enabled() and $proxy->send_through_proxy( $url ) ) //{ // //Some proxies require full URL in this field. // $requestPath = $url; //} //else //{ $requestPath = $arrURL['path'] . (isset($arrURL['query']) ? '?' . $arrURL['query'] : ''); //} if (empty($requestPath)) { $requestPath .= '/'; } $strHeaders = strtoupper($args['method']) . ' ' . $requestPath . ' HTTP/' . $args['httpversion'] . "\r\n"; //if( $proxy->is_enabled() and $proxy->send_through_proxy( $url ) ) //{ // $strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n"; //} //else //{ $strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n"; //} if (isset($args['user-agent'])) { $strHeaders .= 'User-agent: ' . $args['user-agent'] . "\r\n"; } // Add referer if not empty if (!empty($args['referer'])) { $strHeaders .= 'Referer: ' . $args['referer'] . "\r\n"; } if (is_array($args['headers'])) { foreach ((array) $args['headers'] as $header => $headerValue) { $strHeaders .= $header . ': ' . $headerValue . "\r\n"; } } else { $strHeaders .= $args['headers']; } //if( $proxy->use_authentication() ) //{ // $strHeaders .= $proxy->authentication_header() . "\r\n"; //} $strHeaders .= "\r\n"; if (!is_null($args['body'])) { $strHeaders .= $args['body']; } fwrite($handle, $strHeaders); if (!$args['blocking']) { stream_set_blocking($handle, 0); fclose($handle); return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array()); } $strResponse = ''; $bodyStarted = false; $keep_reading = true; $block_size = 4096; if (isset($args['limit_response_size'])) { $block_size = min($block_size, $args['limit_response_size']); } // If streaming to a file setup the file handle if ($args['stream']) { $stream_handle = @fopen($args['filename'], 'w+'); if (!$stream_handle) { Http::set_error(8); return false; } $bytes_written = 0; while (!feof($handle) and $keep_reading) { $block = fread($handle, $block_size); if (!$bodyStarted) { $strResponse .= $block; if (strpos($strResponse, "\r\n\r\n")) { $process = Http::processResponse($strResponse); $bodyStarted = true; $block = $process['body']; unset($strResponse); $process['body'] = ''; } } $this_block_size = strlen($block); if (isset($args['limit_response_size']) and $bytes_written + $this_block_size > $args['limit_response_size']) { $block = substr($block, 0, $args['limit_response_size'] - $bytes_written); } $bytes_written_to_file = fwrite($stream_handle, $block); if ($bytes_written_to_file != $this_block_size) { fclose($handle); fclose($stream_handle); Http::set_error(9); return false; } $bytes_written += $bytes_written_to_file; $keep_reading = !isset($args['limit_response_size']) or $bytes_written < $args['limit_response_size']; } fclose($stream_handle); } else { $header_length = 0; // Not end file and some one while (!feof($handle) and $keep_reading) { $block = fread($handle, $block_size); $strResponse .= $block; if (!$bodyStarted and strpos($strResponse, "\r\n\r\n")) { $header_length = strpos($strResponse, "\r\n\r\n") + 4; $bodyStarted = true; } $keep_reading = (!$bodyStarted or !isset($args['limit_response_size']) or strlen($strResponse) < $header_length + $args['limit_response_size']); } $process = Http::processResponse($strResponse); unset($strResponse); } fclose($handle); $arrHeaders = Http::processHeaders($process['headers'], $url); $response = array('headers' => $arrHeaders['headers'], 'body' => null, 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies'], 'filename' => $args['filename']); // Handle redirects if (false !== ($redirect_response = Http::handle_redirects($url, $args, $response))) { return $redirect_response; } // If the body was chunk encoded, then decode it. if (!empty($process['body']) and isset($arrHeaders['headers']['transfer-encoding']) and 'chunked' == $arrHeaders['headers']['transfer-encoding']) { $process['body'] = Http::chunkTransferDecode($process['body']); } if ($args['decompress'] === true and Encoding::should_decode($arrHeaders['headers']) === true) { $process['body'] = Encoding::decompress($process['body']); } if (isset($args['limit_response_size']) and strlen($process['body']) > $args['limit_response_size']) { $process['body'] = substr($process['body'], 0, $args['limit_response_size']); } $response['body'] = str_replace("", "", $process['body']); return $response; }
/** * Send a HTTP request to a URI using fsockopen(). * * Does not support non-blocking mode. * * @see \Leeflets\Http::request For default options descriptions. * * @since 2.7 * @access public * @param string $url URI resource. * @param str|array $args Optional. Override the defaults. * @return array 'headers', 'body', 'response', 'cookies' and 'filename' keys. */ function request($url, $args = array()) { $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array()); $r = array_merge($defaults, $args); if (isset($r['headers']['User-Agent'])) { $r['user-agent'] = $r['headers']['User-Agent']; unset($r['headers']['User-Agent']); } else { if (isset($r['headers']['user-agent'])) { $r['user-agent'] = $r['headers']['user-agent']; unset($r['headers']['user-agent']); } } // Construct Cookie: header if any cookies are set \Leeflets\Http::buildCookieHeader($r); $iError = null; // Store error number $strError = null; // Store error string $arrURL = parse_url($url); $fsockopen_host = $arrURL['host']; $secure_transport = false; if (!isset($arrURL['port'])) { if (($arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https') && extension_loaded('openssl')) { $fsockopen_host = "ssl://{$fsockopen_host}"; $arrURL['port'] = 443; $secure_transport = true; } else { $arrURL['port'] = 80; } } //fsockopen has issues with 'localhost' with IPv6 with certain versions of PHP, It attempts to connect to ::1, // which fails when the server is not set up for it. For compatibility, always connect to the IPv4 address. if ('localhost' == strtolower($fsockopen_host)) { $fsockopen_host = '127.0.0.1'; } // There are issues with the HTTPS and SSL protocols that cause errors that can be safely // ignored and should be ignored. if (true === $secure_transport) { $error_reporting = error_reporting(0); } $startDelay = time(); $proxy = new Proxy(); if (!$this->config->debug) { if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) { $handle = @fsockopen($proxy->host(), $proxy->port(), $iError, $strError, $r['timeout']); } else { $handle = @fsockopen($fsockopen_host, $arrURL['port'], $iError, $strError, $r['timeout']); } } else { if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) { $handle = fsockopen($proxy->host(), $proxy->port(), $iError, $strError, $r['timeout']); } else { $handle = fsockopen($fsockopen_host, $arrURL['port'], $iError, $strError, $r['timeout']); } } $endDelay = time(); // If the delay is greater than the timeout then fsockopen shouldn't be used, because it will // cause a long delay. $elapseDelay = $endDelay - $startDelay > $r['timeout']; if (true === $elapseDelay) { add_option('disable_fsockopen', $endDelay, null, true); } if (false === $handle) { return new \Leeflets\Error('http_request_failed', $iError . ': ' . $strError); } $timeout = (int) floor($r['timeout']); $utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000; stream_set_timeout($handle, $timeout, $utimeout); if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) { //Some proxies require full URL in this field. $requestPath = $url; } else { $requestPath = $arrURL['path'] . (isset($arrURL['query']) ? '?' . $arrURL['query'] : ''); } if (empty($requestPath)) { $requestPath .= '/'; } $strHeaders = strtoupper($r['method']) . ' ' . $requestPath . ' HTTP/' . $r['httpversion'] . "\r\n"; if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) { $strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n"; } else { $strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n"; } if (isset($r['user-agent'])) { $strHeaders .= 'User-agent: ' . $r['user-agent'] . "\r\n"; } if (is_array($r['headers'])) { foreach ((array) $r['headers'] as $header => $headerValue) { $strHeaders .= $header . ': ' . $headerValue . "\r\n"; } } else { $strHeaders .= $r['headers']; } if ($proxy->use_authentication()) { $strHeaders .= $proxy->authentication_header() . "\r\n"; } $strHeaders .= "\r\n"; if (!is_null($r['body'])) { $strHeaders .= $r['body']; } fwrite($handle, $strHeaders); if (!$r['blocking']) { fclose($handle); return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array()); } $strResponse = ''; $bodyStarted = false; // If streaming to a file setup the file handle if ($r['stream']) { if (!$this->config->debug) { $stream_handle = @fopen($r['filename'], 'w+'); } else { $stream_handle = fopen($r['filename'], 'w+'); } if (!$stream_handle) { return new \Leeflets\Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename'])); } while (!feof($handle)) { $block = fread($handle, 4096); if ($bodyStarted) { fwrite($stream_handle, $block); } else { $strResponse .= $block; if (strpos($strResponse, "\r\n\r\n")) { $process = \Leeflets\Http::processResponse($strResponse); $bodyStarted = true; fwrite($stream_handle, $process['body']); unset($strResponse); $process['body'] = ''; } } } fclose($stream_handle); } else { while (!feof($handle)) { $strResponse .= fread($handle, 4096); } $process = \Leeflets\Http::processResponse($strResponse); unset($strResponse); } fclose($handle); if (true === $secure_transport) { error_reporting($error_reporting); } $arrHeaders = \Leeflets\Http::processHeaders($process['headers']); // If location is found, then assume redirect and redirect to location. if (isset($arrHeaders['headers']['location']) && 0 !== $r['_redirection']) { if ($r['redirection']-- > 0) { return $this->request(\Leeflets\Http::make_absolute_url($arrHeaders['headers']['location'], $url), $r); } else { return new \Leeflets\Error('http_request_failed', __('Too many redirects.')); } } // If the body was chunk encoded, then decode it. if (!empty($process['body']) && isset($arrHeaders['headers']['transfer-encoding']) && 'chunked' == $arrHeaders['headers']['transfer-encoding']) { $process['body'] = \Leeflets\Http::chunkTransferDecode($process['body']); } if (true === $r['decompress'] && true === Encoding::should_decode($arrHeaders['headers'])) { $process['body'] = Encoding::decompress($process['body']); } return array('headers' => $arrHeaders['headers'], 'body' => $process['body'], 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies'], 'filename' => $r['filename']); }