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<?php |
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namespace EasyRdf\Http; |
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use EasyRdf\Exception; |
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/** |
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* HTTP/2 compatible client using cURL |
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* |
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* This client extends EasyRdf\Http\Client but uses cURL with HTTP/2 |
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* (E.g.Wikidata WDQS blocks HTTP/1.1 requests) |
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* |
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* @see https://wikitech.wikimedia.org/wiki/Robot_policy |
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*/ |
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class Http2Client extends Client |
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{ |
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/** |
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* Send the HTTP request using cURL with HTTP/2 support |
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* |
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* @param string|null $method |
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* |
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* @return Response |
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* |
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* @throws Exception |
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*/ |
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public function request($method = null) |
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{ |
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$uri = $this->getUri(); |
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if (!$uri) { |
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throw new Exception('Set URI before calling Http2Client->request()'); |
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} |
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if ($method) { |
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$this->setMethod($method); |
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} |
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$this->redirectCounter = 0; |
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$maxRedirects = $this->getConfigValue('maxredirects') ?? 5; |
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// Build the full URL with GET parameters |
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$url = $uri; |
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$params = $this->getParametersGet(); |
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if (!empty($params)) { |
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$query = http_build_query($params, '', '&'); |
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$url .= (strpos($url, '?') === false ? '?' : '&') . $query; |
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} |
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// Initialize cURL |
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$ch = curl_init($url); |
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// Force HTTP/2 |
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if (defined('CURL_HTTP_VERSION_2_0')) { |
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curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0); |
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} elseif (defined('CURL_HTTP_VERSION_2')) { |
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curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2); |
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} |
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// Basic settings |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($ch, CURLOPT_HEADER, true); |
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
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curl_setopt($ch, CURLOPT_MAXREDIRS, $maxRedirects); |
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$timeout = $this->getConfigValue('timeout') ?? 10; |
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curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); |
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout); |
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// Set user agent |
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$useragent = $this->getConfigValue('useragent') ?? 'Skosmos HTTP/2 Client'; |
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curl_setopt($ch, CURLOPT_USERAGENT, $useragent); |
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// Set HTTP method |
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$httpMethod = strtoupper($this->getMethod()); |
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curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $httpMethod); |
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// Set headers using reflection to access private property |
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$headers = []; |
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$reflection = new \ReflectionClass(parent::class); |
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$property = $reflection->getProperty('headers'); |
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$property->setAccessible(true); |
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$headersList = $property->getValue($this); |
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foreach ($headersList as $header) { |
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if (is_array($header) && count($header) >= 2) { |
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list($name, $value) = $header; |
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if (is_array($value)) { |
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$value = implode(', ', $value); |
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} |
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$headers[] = "$name: $value"; |
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} |
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} |
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if (!empty($headers)) { |
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
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} |
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// Set POST data if present |
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$rawData = $this->getRawData(); |
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if ($rawData !== null && in_array($httpMethod, ['POST', 'PUT', 'PATCH'])) { |
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curl_setopt($ch, CURLOPT_POSTFIELDS, $rawData); |
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} |
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// Execute request |
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$response = curl_exec($ch); |
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if ($response === false) { |
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$error = curl_error($ch); |
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$errno = curl_errno($ch); |
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curl_close($ch); |
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throw new Exception("cURL request failed: $error (errno: $errno)"); |
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} |
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// Get redirect count |
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$this->redirectCounter = curl_getinfo($ch, CURLINFO_REDIRECT_COUNT); |
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curl_close($ch); |
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// Parse the response |
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return Response::fromString($response); |
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} |
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/** |
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* Get configuration value using reflection |
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* |
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* @param string $key |
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* @return mixed |
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*/ |
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private function getConfigValue($key) |
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{ |
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// Access private config using reflection since parent doesn't have public getter |
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$reflection = new \ReflectionClass(parent::class); |
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$property = $reflection->getProperty('config'); |
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$property->setAccessible(true); |
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$config = $property->getValue($this); |
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return $config[$key] ?? null; |
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} |
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} |
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NatLibFi /
Skosmos
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: