PHP Encoding::decompress方法代码示例

//.........这里部分代码省略.........
     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']);
 }

//.........这里部分代码省略.........
             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;
 }

//.........这里部分代码省略.........
         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']);
 }

//.........这里部分代码省略.........
         $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;
 }

//.........这里部分代码省略.........
     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']);
 }