PHP RequestInterface::hasHeader方法代码示例

 private function addExpectHeader(RequestInterface $request, StreamInterface $body)
 {
     // Determine if the Expect header should be used
     if ($request->hasHeader('Expect')) {
         return;
     }
     $expect = $request->getConfig()['expect'];
     // Return if disabled or if you're not using HTTP/1.1
     if ($expect === false || $request->getProtocolVersion() !== '1.1') {
         return;
     }
     // The expect header is unconditionally enabled
     if ($expect === true) {
         $request->setHeader('Expect', '100-Continue');
         return;
     }
     // By default, send the expect header when the payload is > 1mb
     if ($expect === null) {
         $expect = 1048576;
     }
     // Always add if the body cannot be rewound, the size cannot be
     // determined, or the size is greater than the cutoff threshold
     $size = $body->getSize();
     if ($size === null || $size >= (int) $expect || !$body->isSeekable()) {
         $request->setHeader('Expect', '100-Continue');
     }
 }

 public function after(GuzzleCommandInterface $command, RequestInterface $request, Operation $operation, array $context)
 {
     foreach ($this->buffered as $param) {
         $this->visitWithValue($command[$param->getName()], $param, $command);
     }
     $this->buffered = array();
     $additional = $operation->getAdditionalParameters();
     if ($additional && $additional->getLocation() == $this->locationName) {
         foreach ($command->toArray() as $key => $value) {
             if (!$operation->hasParam($key)) {
                 $additional->setName($key);
                 $this->visitWithValue($value, $additional, $command);
             }
         }
         $additional->setName(null);
     }
     // If data was found that needs to be serialized, then do so
     $xml = null;
     if ($this->writer) {
         $xml = $this->finishDocument($this->writer);
     } elseif ($operation->getData('xmlAllowEmpty')) {
         // Check if XML should always be sent for the command
         $writer = $this->createRootElement($operation);
         $xml = $this->finishDocument($writer);
     }
     if ($xml) {
         $request->setBody(Stream::factory($xml));
         // Don't overwrite the Content-Type if one is set
         if ($this->contentType && !$request->hasHeader('Content-Type')) {
             $request->setHeader('Content-Type', $this->contentType);
         }
     }
     $this->writer = null;
 }

 /**
  * Always add a x-amz-content-sha-256 for data integrity.
  */
 public function signRequest(RequestInterface $request, CredentialsInterface $credentials)
 {
     if (!$request->hasHeader('x-amz-content-sha256')) {
         $request->setHeader('X-Amz-Content-Sha256', $this->getPayload($request));
     }
     parent::signRequest($request, $credentials);
 }

 /**
  * Applies request headers to a request based on the POST state
  *
  * @param RequestInterface $request Request to update
  */
 public function applyRequestHeaders(RequestInterface $request)
 {
     if ($this->files || $this->forceMultipart) {
         $request->setHeader('Content-Type', 'multipart/form-data; boundary=' . $this->getBody()->getBoundary());
     } elseif ($this->fields && !$request->hasHeader('Content-Type')) {
         $request->setHeader('Content-Type', 'application/x-www-form-urlencoded');
     }
     if ($size = $this->getSize()) {
         $request->setHeader('Content-Length', $size);
     }
 }

 private function getRequestCookieValues(HttpRequest $request)
 {
     if (!$request->hasHeader('Cookie')) {
         return [];
     }
     $cookieStrings = explode(';', $request->getHeader('Cookie'));
     $values = [];
     foreach ($cookieStrings as $cookieString) {
         $cookieString = trim($cookieString);
         $currentValues = explode('=', $cookieString);
         $values[$currentValues[0]] = $currentValues[1];
     }
     return $values;
 }

 public function after(GuzzleCommandInterface $command, RequestInterface $request, Operation $operation, array $context)
 {
     $data = $this->jsonData;
     $this->jsonData = null;
     // Add additional parameters to the JSON document
     $additional = $operation->getAdditionalParameters();
     if ($additional && $additional->getLocation() == $this->locationName) {
         foreach ($command->toArray() as $key => $value) {
             if (!$operation->hasParam($key)) {
                 $data[$key] = $this->prepareValue($value, $additional);
             }
         }
     }
     // Don't overwrite the Content-Type if one is set
     if ($this->jsonContentType && !$request->hasHeader('Content-Type')) {
         $request->setHeader('Content-Type', $this->jsonContentType);
     }
     $request->setBody(Stream::factory(json_encode($data)));
 }

 private function add_decode_content(RequestInterface $request, RequestMediator $mediator, &$options, $value)
 {
     if (!$request->hasHeader('Accept-Encoding')) {
         $options[CURLOPT_ENCODING] = '';
         // Don't let curl send the header over the wire
         $options[CURLOPT_HTTPHEADER][] = 'Accept-Encoding:';
     } else {
         $options[CURLOPT_ENCODING] = $request->getHeader('Accept-Encoding');
     }
 }

 private function add_json(RequestInterface $request, $value)
 {
     if (!$request->hasHeader('Content-Type')) {
         $request->setHeader('Content-Type', 'application/json');
     }
     $request->setBody(Stream::factory(json_encode($value)));
 }

    private function applyHeaders(RequestInterface $request, array &$options)
    {
        foreach ($options['_headers'] as $name => $values) {
            $options[CURLOPT_HTTPHEADER][] = $name . ': ' . implode(', ', $values);
        }

        // Remove the Expect header if one was not set
        if (!$request->hasHeader('Accept')) {
            $options[CURLOPT_HTTPHEADER][] = 'Accept:';
        }
    }

 protected function applyOptions(RequestInterface $request, array $options = [])
 {
     $config = $request->getConfig();
     $emitter = $request->getEmitter();
     foreach ($options as $key => $value) {
         if (isset(self::$configMap[$key])) {
             $config[$key] = $value;
             continue;
         }
         switch ($key) {
             case 'allow_redirects':
                 if ($value === false) {
                     continue;
                 }
                 if ($value === true) {
                     $value = self::$defaultRedirect;
                 } elseif (!isset($value['max'])) {
                     throw new Iae('allow_redirects must be true, false, or an ' . 'array that contains the \'max\' key');
                 } else {
                     // Merge the default settings with the provided settings
                     $value += self::$defaultRedirect;
                 }
                 $config['redirect'] = $value;
                 $emitter->attach($this->redirectPlugin);
                 break;
             case 'decode_content':
                 if ($value === false) {
                     continue;
                 }
                 $config['decode_content'] = true;
                 if ($value !== true) {
                     $request->setHeader('Accept-Encoding', $value);
                 }
                 break;
             case 'headers':
                 if (!is_array($value)) {
                     throw new Iae('header value must be an array');
                 }
                 // Do not overwrite existing headers
                 foreach ($value as $k => $v) {
                     if (!$request->hasHeader($k)) {
                         $request->setHeader($k, $v);
                     }
                 }
                 break;
             case 'exceptions':
                 if ($value === true) {
                     $emitter->attach($this->errorPlugin);
                 }
                 break;
             case 'body':
                 if (is_array($value)) {
                     $this->addPostData($request, $value);
                 } elseif ($value !== null) {
                     $request->setBody(Stream::factory($value));
                 }
                 break;
             case 'auth':
                 if (!$value) {
                     continue;
                 }
                 if (is_array($value)) {
                     $type = isset($value[2]) ? strtolower($value[2]) : 'basic';
                 } else {
                     $type = strtolower($value);
                 }
                 $config['auth'] = $value;
                 if ($type == 'basic') {
                     $request->setHeader('Authorization', 'Basic ' . base64_encode("{$value['0']}:{$value['1']}"));
                 } elseif ($type == 'digest') {
                     // @todo: Do not rely on curl
                     $config->setPath('curl/' . CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
                     $config->setPath('curl/' . CURLOPT_USERPWD, "{$value['0']}:{$value['1']}");
                 }
                 break;
             case 'query':
                 if ($value instanceof Query) {
                     $original = $request->getQuery();
                     // Do not overwrite existing query string variables by
                     // overwriting the object with the query string data passed
                     // in the URL
                     $value->overwriteWith($original->toArray());
                     $request->setQuery($value);
                 } elseif (is_array($value)) {
                     // Do not overwrite existing query string variables
                     $query = $request->getQuery();
                     foreach ($value as $k => $v) {
                         if (!isset($query[$k])) {
                             $query[$k] = $v;
                         }
                     }
                 } else {
                     throw new Iae('query must be an array or Query object');
                 }
                 break;
             case 'cookies':
                 if ($value === true) {
                     static $cookie = null;
                     if (!$cookie) {
                         $cookie = new Cookie();
//.........这里部分代码省略.........

 public function after(CommandInterface $command, RequestInterface $request, Operation $operation, array $context)
 {
     if ($this->jsonContentType && !$request->hasHeader('Content-Type')) {
         $request->setHeader('Content-Type', $this->jsonContentType);
     }
 }

 /**
  * Default function used to determine if a request can be cached.
  *
  * @param RequestInterface $request Request to check
  *
  * @return bool
  */
 public static function canCacheRequest(RequestInterface $request)
 {
     $method = $request->getMethod();
     // Only GET and HEAD requests can be cached
     if ($method !== 'GET' && $method !== 'HEAD') {
         return false;
     }
     // Don't fool with Range requests for now
     if ($request->hasHeader('Range')) {
         return false;
     }
     return self::getDirective($request, 'no-store') === null;
 }

 private function add_headers(RequestInterface $request, $value)
 {
     if (!is_array($value)) {
         throw new \InvalidArgumentException('header value must be an array');
     }
     // Do not overwrite existing headers
     foreach ($value as $k => $v) {
         if (!$request->hasHeader($k)) {
             $request->setHeader($k, $v);
         }
     }
 }

 protected function getPayload(RequestInterface $request)
 {
     // Calculate the request signature payload
     if ($request->hasHeader('x-amz-content-sha256')) {
         // Handle streaming operations (e.g. Glacier.UploadArchive)
         return (string) $request->getHeader('x-amz-content-sha256');
     }
     if ($body = $request->getBody()) {
         if (!$body->isSeekable()) {
             throw new CouldNotCreateChecksumException('sha256');
         }
         return Utils::hash($body, 'sha256');
     }
     return self::EMPTY_PAYLOAD;
 }