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<?php |
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/* |
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* This file is part of the Ariadne Component Library. |
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* |
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* (c) Muze <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace arc\http; |
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/** |
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* Class ClientStream |
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* Implements a HTTP client using PHP's stream handling. |
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* @package arc\http |
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*/ |
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class ClientStream implements Client |
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{ |
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private $options = [ |
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'headers' => [], |
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'timeout' => 5, |
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'ignore_errors' => true, |
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'protocol_version' => 1.1 |
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]; |
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/** |
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*/ |
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public $responseHeaders = null; |
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/** |
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*/ |
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public $requestHeaders = null; |
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/** |
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*/ |
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public $verbs = [ |
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'GET' => true, |
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'POST' => true, |
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'PUT' => true, |
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'DELETE' => true, |
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'OPTIONS' => true, |
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'HEAD' => true, |
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'TRACE' => true |
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]; |
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/** |
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* Merges header string and headers array to single string with all headers |
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* @return string |
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*/ |
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private function mergeHeaders() { |
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$args = func_get_args(); |
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$result = ''; |
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foreach ( $args as $headers ) { |
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if (is_array($headers) || $headers instanceof \ArrayObject ) { |
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$result .= array_reduce( (array) $headers, function($carry, $entry) { |
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return $carry . "\r\n" . $entry; |
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}, ''); |
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} else { |
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$result .= (string) $headers; |
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} |
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} |
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if (substr($result, -2)!="\r\n") { |
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$result .= "\r\n"; |
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} |
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return $result; |
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} |
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/** |
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* Send a HTTP request and return the response |
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* @param string $type The method to use, GET, POST, etc. |
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* @param string $url The URL to request |
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* @param array|string $request The query string |
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* @param array $options Any of the HTTP stream context options, e.g. extra headers. |
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* @return string |
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*/ |
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public function request( $type, $url, $request = null, $options = [] ) |
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{ |
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$url = \arc\url::url( (string) $url); |
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if ($type == 'GET' && $request) { |
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$url->query->import( $request); |
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$request = null; |
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} |
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$options = [ |
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'method' => $type, |
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'content' => $request |
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] + (array) $options; |
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$options['headers'] = $this->mergeHeaders( |
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\arc\hash::get('header', $this->options), |
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\arc\hash::get('headers', $this->options), |
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\arc\hash::get('header', $options), |
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\arc\hash::get('headers', $options) |
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); |
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$options += (array) $this->options; |
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$context = stream_context_create( [ 'http' => $options ] ); |
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$result = @file_get_contents( (string) $url, false, $context ); |
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$this->responseHeaders = isset($http_response_header) ? $http_response_header : null; //magic php variable set by file_get_contents. |
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$this->requestHeaders = isset($options['headers']) ? explode("\r\n",$options['headers']) : []; |
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return $result; |
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} |
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/** |
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* @param array $options Any of the HTTP stream context options, e.g. extra headers. |
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*/ |
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public function __construct( $options = [] ) |
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{ |
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$this->options = $options; |
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} |
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public function __call( $name, $args ) |
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{ |
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$name = strtoupper($name); |
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if ( isset($this->verbs[$name]) && $this->verbs[$name] ) { |
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@list($url, $request, $options) = $args; |
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return $this->request( $name, $url, $request, $options ); |
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} else { |
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throw new \arc\MethodNotFound("'$name' is not a valid http client method", \arc\exceptions::OBJECT_NOT_FOUND ); |
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} |
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} |
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/** |
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* Adds headers for subsequent requests |
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* @param mixed $headers The headers to add, either as a string or an array of headers. |
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* @return $this |
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*/ |
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public function headers($headers) |
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{ |
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if (!isset($this->options['headers'])) { |
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$this->options['headers'] = []; |
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} |
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if ( !is_array($headers) ) { |
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$headers = explode("\r\n",$headers); |
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if (end($headers) == '') { |
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array_pop($headers); |
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} |
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} |
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$this->options['headers'] = array_merge($this->options['headers'], $headers); |
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return $this; |
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} |
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} |
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Ariadne-CMS /
arc-web
If you suppress an error, we recommend checking for the error condition explicitly: