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<?php |
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namespace Parroauth2\Client\Flow; |
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use BadMethodCallException; |
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use InvalidArgumentException; |
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use Parroauth2\Client\ClientInterface; |
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use Parroauth2\Client\EndPoint\Authorization\AuthorizationCodeResponse; |
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use Parroauth2\Client\EndPoint\Token\TokenResponse; |
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use Parroauth2\Client\Exception\OAuthServerException; |
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/** |
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* The authorization code grant flow |
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* |
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* - Generates the authorization URI with a state (cf: AuthorizationCodeFlow::authorizationUri()) |
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* - The client redirect the user agent to the generated URI |
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* - The authorization provider validates the requests and redirect the user agent to the client |
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* - Validates the provider's response (cf: AuthorizationCodeFlow::authorizationUri()) |
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* - Get an access token from the provider using the code response |
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* |
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* <code> |
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* $flow = new AuthorizationCodeFlow($client); |
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* |
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* if (!$this->isLogged()) { |
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* if ($request->path() !== '/connect') { |
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* return $this->redirectTo($flow->authorizationUri($baseUrl.'/connect')); |
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* } |
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* |
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* $this->setToken($flow->handleAuthorizationResponse($request->query()); |
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* return $this->redirectTo($baseUrl); |
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* } |
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* |
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* // Use token |
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* </code> |
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* |
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* @see https://tools.ietf.org/html/rfc6749#section-4.1 |
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*/ |
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class AuthorizationCodeFlow implements AuthorizationFlowInterface |
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{ |
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/** |
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* @var ClientInterface |
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*/ |
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private $client; |
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/** |
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* AuthorizationCodeFlow constructor. |
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* |
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* @param ClientInterface $client |
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*/ |
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public function __construct(ClientInterface $client) |
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{ |
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$this->client = $client; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function authorizationUri(?string $redirectUri = null): string |
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{ |
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$endpoint = $this->client->endPoints() |
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->authorization() |
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->code($redirectUri, $this->client->clientConfig()->scopes()) |
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; |
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$this->client->storage()->store('authorization', $endpoint->parameters()); |
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return $endpoint->uri(); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws \Http\Client\Exception When an HTTP error occurs |
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* |
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* @psalm-suppress InvalidThrow |
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*/ |
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public function handleAuthorizationResponse(array $queryParameters): TokenResponse |
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{ |
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if (!$this->client->storage()->has('authorization')) { |
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throw new BadMethodCallException('The authorization flow is not started'); |
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} |
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$request = $this->client->storage()->remove('authorization'); |
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$response = new AuthorizationCodeResponse($queryParameters); |
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if (!hash_equals($request['state'], $response->state())) { |
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throw new InvalidArgumentException('Invalid state'); |
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} |
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if ($response->isError()) { |
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throw OAuthServerException::create($response->error(), $response->errorDescription()); |
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} |
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return $this->client->endPoints()->token() |
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->code($response->code(), $request['redirect_uri'] ?? null) |
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->call() |
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; |
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} |
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} |
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b2pweb /
parroauth2-client
