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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Alexandre |
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* Date: 31/12/2017 |
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* Time: 00:20 |
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*/ |
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namespace OAuth2OLD\Endpoint; |
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use function GuzzleHttp\Psr7\build_query; |
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use GuzzleHttp\Psr7\Response; |
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use OAuth2OLD\Util\Uri; |
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abstract class Endpoint |
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{ |
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const errors = [ |
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'invalid_request', |
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'unauthorized_client', |
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'access_denied', |
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'unsupported_response_type', |
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'invalid_scope', |
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'server_error', |
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'temporarily_unavailable', |
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]; |
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private function containsNotAsciiChar(string $string) |
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{ |
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return preg_match('/[^\x20-\x7e]/', $string); |
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} |
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/** |
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* @see https://tools.ietf.org/html/rfc6749#section-1.7 |
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* |
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* HTTP Redirections |
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* |
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* This specification makes extensive use of HTTP redirections, in which |
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* the client or the authorization server directs the resource owner's |
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* user-agent to another destination. While the examples in this |
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* specification show the use of the HTTP 302 status code, any other |
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* method available via the user-agent to accomplish this redirection is |
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* allowed and is considered to be an implementation detail |
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* |
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* @param $uri |
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* @return Response |
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*/ |
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protected function redirectResponse($uri) |
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{ |
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return new Response(302, ['Location' => $uri]); |
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} |
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protected function jsonResponse($status, $data) |
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{ |
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if (is_array($data)) { |
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$data = json_encode($data); |
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} |
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return new Response($status, ['Content-Type' => 'application/json'], $data); |
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} |
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protected function response($status, $data) |
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{ |
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return new Response($status, ['Content-Type' => 'text/html'], $data); |
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} |
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/** |
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* @param string $redirectUri |
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* @param string $error |
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* @param null|string $description |
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* @param null|string $uri |
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* @return Response |
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* @throws \Exception |
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*/ |
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protected function errorResponse(string $redirectUri, string $error, ?string $description = null, ?string $uri = null) |
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{ |
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if ($this->containsNotAsciiChar($error)) { |
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throw new \Exception('Malformed error type. Expect ascii string. Got : ' . $error); |
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} |
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if (!in_array($error, self::errors)) { |
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throw new \Exception('Unexpected error type. Expect one of : ' . implode(', ', self::errors)); |
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} |
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$data = ['error' => $error]; |
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if ($description) { |
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if ($this->containsNotAsciiChar($description)) { |
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throw new \Exception('Malformed error description. Expect ascii string. Got : ' . $description); |
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} |
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$data['error_description'] = $description; |
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} |
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if ($uri) { |
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if ($this->containsNotAsciiChar($uri)) { |
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throw new \Exception('Malformed error uri. Expect ascii string. Got : ' . $uri); |
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} |
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$data['error_uri'] = $uri; |
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} |
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$redirectUri = new Uri($redirectUri); |
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$query = http_build_query($data); |
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if ($redirectUri->getQuery()) { |
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$query .= '&' . $redirectUri->getQuery(); |
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} |
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$redirectUri = $redirectUri->getScheme() . ':' . $redirectUri->getHierPart() . '?' . $query; |
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return $this->redirectResponse($redirectUri); |
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} |
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} |
php-guard /
oauth-server
