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<?php |
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namespace Softonic\OAuth2\Guzzle\Middleware; |
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use InvalidArgumentException; |
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use League\OAuth2\Client\Provider\AbstractProvider as OAuth2Provider; |
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use League\OAuth2\Client\Token\AccessToken; |
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use Psr\Http\Message\RequestInterface; |
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class AddAuthorizationHeader |
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{ |
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const CACHE_KEY_PREFIX = 'oauth2-token-'; |
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private $provider; |
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private $cacheHandler; |
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private $config; |
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public function __construct(OAuth2Provider $provider, array $config, AccessTokenCacheHandler $cacheHandler) |
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{ |
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$this->provider = $provider; |
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$this->config = $config; |
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$this->cacheHandler = $cacheHandler; |
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} |
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public function __invoke(RequestInterface $request): RequestInterface |
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{ |
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$token = $this->cacheHandler->getTokenByProvider($this->provider, $this->config); |
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if (false === $token) { |
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$accessToken = $this->getAccessToken(); |
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$token = $accessToken->getToken(); |
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$this->cacheHandler->saveTokenByProvider($accessToken, $this->provider, $this->config); |
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} |
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return $request->withHeader('Authorization', 'Bearer ' . $token); |
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} |
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private function getAccessToken(): AccessToken |
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{ |
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$options = $this->getOptions(); |
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$grantType = $this->getGrantType(); |
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return $this->provider->getAccessToken($grantType, $options); |
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} |
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private function getGrantType(): string |
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{ |
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if (empty($this->config['grant_type'])) { |
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throw new InvalidArgumentException('Config value `grant_type` needs to be specified.'); |
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} |
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return $this->config['grant_type']; |
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} |
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private function getOptions(): array |
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{ |
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$options = []; |
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if (!empty($this->config['scope'])) { |
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$options['scope'] = $this->config['scope']; |
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} |
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if (!empty($this->config['token_options'])) { |
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$token_options = $this->config['token_options']; |
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foreach ($token_options as $key => $value) { |
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$options[$key] = $value; |
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} |
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} |
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return $options; |
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} |
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} |
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softonic /
guzzle-oauth2-middleware
