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<?php |
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namespace Huawei\IAP; |
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use GuzzleHttp\Client; |
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use Huawei\IAP\Exception\AuthorizationResponseUnexpectedFormatException; |
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use Huawei\IAP\Exception\InvalidAuthorizationResponseException; |
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class AuthorizationBuilder |
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{ |
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const AUTHORIZATION_TOKEN_URL = 'https://oauth-login.cloud.huawei.com/oauth2/v2/token'; |
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/** |
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* @return Client |
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*/ |
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protected function getClient() |
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{ |
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return new Client(); |
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} |
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/** |
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* @param string $accessToken |
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* |
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* @return string |
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*/ |
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public function buildAuthorizationHeader(string $accessToken) |
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{ |
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return sprintf('Basic %s', base64_encode(sprintf('APPAT:%s', $accessToken))); |
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} |
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/** |
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* @param AuthorizationCredentials $credentials |
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* |
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* @return string |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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* @throws InvalidAuthorizationResponseException |
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* @throws AuthorizationResponseUnexpectedFormatException |
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*/ |
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public function getAccessToken(AuthorizationCredentials $credentials): string |
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{ |
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$response = $this->getClient()->request('POST', self::AUTHORIZATION_TOKEN_URL, [ |
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'form_params' => [ |
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'grant_type' => 'client_credentials', |
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'client_id' => $credentials->getApplicationId(), |
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'client_secret' => $credentials->getAppKey(), |
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] |
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]); |
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$body = $response->getBody()->getContents(); |
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$json = \json_decode($body, true); |
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if (\json_last_error() !== JSON_ERROR_NONE) { |
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throw new InvalidAuthorizationResponseException( |
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\sprintf( |
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'Invalid authorization response (%s) from %s', |
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\json_last_error_msg(), |
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self::AUTHORIZATION_TOKEN_URL |
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) |
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); |
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} |
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$accessToken = $json['access_token'] ?? null; |
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if ($accessToken === null) { |
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throw new AuthorizationResponseUnexpectedFormatException( |
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\sprintf( |
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'Authorization response unexpected format (%s) from %s', |
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\json_last_error_msg(), |
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self::AUTHORIZATION_TOKEN_URL |
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) |
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); |
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} |
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return $accessToken; |
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} |
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} |
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Stafox /
huawei-iap
