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<?php |
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/** |
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* Sandro Keil (https://sandro-keil.de) |
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* |
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* @link http://github.com/sandrokeil/arangodb-php-client for the canonical source repository |
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* @copyright Copyright (c) 2018-2019 Sandro Keil |
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* @license http://github.com/sandrokeil/arangodb-php-client/blob/master/LICENSE.md New BSD License |
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*/ |
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declare(strict_types=1); |
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namespace ArangoDb; |
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use ArangoDb\Http\JsonStream; |
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use ArangoDb\Util\Json; |
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use Psr\Http\Message\ResponseInterface; |
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final class HttpHelper |
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{ |
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/** |
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* Separator between header and body |
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*/ |
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private const BODY_SEPARATOR = "\r\n\r\n"; |
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/** |
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* Splits the message in HTTP status code, headers and body. |
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* |
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* @param string $message |
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* @return array Values are HTTP status code, PSR-7 headers and body |
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*/ |
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public static function parseMessage(string $message): array |
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{ |
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$startLine = null; |
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$headers = []; |
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[$headerLines, $body] = explode(self::BODY_SEPARATOR, $message, 2); |
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$headerLines = explode("\n", $headerLines); |
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foreach ($headerLines as $header) { |
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// Parse message headers |
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if ($startLine === null) { |
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$startLine = explode(' ', $header, 3); |
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continue; |
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} |
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$parts = explode(':', $header, 2); |
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$key = trim($parts[0]); |
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$value = isset($parts[1]) ? trim($parts[1]) : ''; |
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if (! isset($headers[$key])) { |
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$headers[$key] = []; |
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} |
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$headers[$key][] = $value; |
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} |
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return [ |
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(int) ($startLine[1] ?? 0), |
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$headers, |
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$body, |
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]; |
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} |
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/** |
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* @param ResponseInterface $response |
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* @param string|null $key |
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* @return string|bool|int|float|array|null |
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*/ |
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public static function responseContentAsJson(ResponseInterface $response, string $key = null) |
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{ |
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$body = $response->getBody(); |
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if ($body instanceof JsonStream) { |
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4 |
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if ($key === null) { |
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return $body->toJson(); |
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} |
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$value = $body->toArray()[$key] ?? null; |
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3 |
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if (null === $value |
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2 |
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|| is_bool($value) |
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3 |
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|| is_int($value) |
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) { |
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return $value; |
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} |
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return Json::encode($value); |
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} |
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4 |
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if ($key === null) { |
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return $body->getContents(); |
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} |
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3 |
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$value = Json::decode($body->getContents())[$key] ?? null; |
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3 |
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if ($value !== null && ! \is_scalar($value)) { |
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1 |
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$value = Json::encode($value); |
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} |
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3 |
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return $value; |
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} |
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/** |
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* @param ResponseInterface $response |
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* @param string|null $key |
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* @return string|bool|int|float|array|null |
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*/ |
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public static function responseContentAsArray(ResponseInterface $response, string $key = null) |
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{ |
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$body = $response->getBody(); |
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if ($body instanceof JsonStream) { |
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6 |
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if ($key === null) { |
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2 |
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return $body->toArray(); |
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} |
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return $body->toArray()[$key] ?? null; |
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} |
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5 |
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if ($key === null) { |
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1 |
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return Json::decode($body->getContents()); |
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} |
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4 |
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return Json::decode($body->getContents())[$key] ?? null; |
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} |
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} |
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sandrokeil /
arangodb-php-client
