PHP Proxy::authentication_header方法代码示例

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

//.........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']);