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<?php |
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/** |
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* @author Tharanga Kothalawala <[email protected]> |
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* @date 13-01-2019 |
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*/ |
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namespace TSK\SSO\ThirdParty\Twitter; |
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use Abraham\TwitterOAuth\TwitterOAuth; |
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use Abraham\TwitterOAuth\TwitterOAuthException; |
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use TSK\SSO\ThirdParty; |
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use TSK\SSO\ThirdParty\CommonAccessToken; |
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use TSK\SSO\ThirdParty\Exception\NoThirdPartyEmailFoundException; |
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use TSK\SSO\ThirdParty\Exception\ThirdPartyConnectionFailedException; |
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use TSK\SSO\ThirdParty\ThirdPartyUser; |
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use TSK\SSO\ThirdParty\VendorConnection; |
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/** |
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* @codeCoverageIgnore |
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* @package TSK\SSO\ThirdParty\Twitter |
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* @see https://developer.twitter.com/en/docs/twitter-for-websites/log-in-with-twitter/guides/implementing-sign-in-with-twitter |
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*/ |
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class TwitterConnection implements VendorConnection |
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{ |
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const TOKEN_SEPARATOR = '::'; |
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/** |
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* @var TwitterApiConfiguration |
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*/ |
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private $configuration; |
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/** |
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* @var TwitterOAuth |
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*/ |
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private $twitter; |
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/** |
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* TwitterConnection constructor. |
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* @param TwitterApiConfiguration $configuration |
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*/ |
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public function __construct(TwitterApiConfiguration $configuration) |
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{ |
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$this->configuration = $configuration; |
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$this->twitter = new TwitterOAuth( |
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$this->configuration->consumerApiKey(), |
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$this->configuration->consumerApiSecret(), |
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$this->configuration->oauthToken(), |
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$this->configuration->oauthTokenSecret() |
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); |
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} |
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/** |
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* Use this to get a link to redirect a user to the third party login |
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* |
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* @return string|null |
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*/ |
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public function getGrantUrl() |
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{ |
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try { |
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$response = $this->twitter->oauth('oauth/request_token', array( |
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'oauth_callback' => $this->configuration->redirectUrl() |
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)); |
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} catch (TwitterOAuthException $ex) { |
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return null; |
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} |
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return sprintf('%s/oauth/authenticate?oauth_token=%s', TwitterOAuth::API_HOST, $response['oauth_token']); |
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} |
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/** |
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* Grants a new access token |
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* |
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* @return CommonAccessToken |
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* @throws ThirdPartyConnectionFailedException |
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*/ |
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public function grantNewAccessToken() |
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{ |
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if (empty($_GET['oauth_token'])) { |
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throw new ThirdPartyConnectionFailedException('Invalid request!'); |
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} |
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$accessTokenData = $this->twitter->oauth('oauth/access_token', array( |
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'oauth_callback' => $this->configuration->redirectUrl(), |
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'oauth_token' => $_GET['oauth_token'], |
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'oauth_verifier' => $_GET['oauth_verifier'], |
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)); |
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if (empty($accessTokenData['oauth_token'])) { |
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throw new ThirdPartyConnectionFailedException( |
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'Failed to establish a new third party vendor connection' |
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); |
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} |
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return new CommonAccessToken( |
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sprintf( |
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'%s%s%s', |
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$accessTokenData['oauth_token'], |
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self::TOKEN_SEPARATOR, |
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$accessTokenData['oauth_token_secret'] |
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), |
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ThirdParty::TWITTER |
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); |
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} |
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/** |
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* Use this to retrieve the current user's third party user data using there existing granted access token |
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* |
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* @param CommonAccessToken $accessToken |
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* @return ThirdPartyUser |
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* @throws NoThirdPartyEmailFoundException |
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* @throws ThirdPartyConnectionFailedException |
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*/ |
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public function getSelf(CommonAccessToken $accessToken) |
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{ |
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$tokenData = explode(self::TOKEN_SEPARATOR, $accessToken->token()); |
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$userInfo = (array) $this->twitter->get('account/verify_credentials', array( |
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'oauth_token' => $tokenData[0], |
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'oauth_token_secret' => $tokenData[1], |
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'include_email' => true, |
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)); |
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if (empty($userInfo['email'])) { |
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throw new NoThirdPartyEmailFoundException('An email address cannot be found from vendor'); |
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} |
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return new ThirdPartyUser( |
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$userInfo['id'], |
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$userInfo['screen_name'], |
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$userInfo['email'], |
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!empty($userInfo['profile_image_url']) ? $userInfo['profile_image_url'] : '', |
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!empty($userInfo['gender']) ? $userInfo['gender'] : '' |
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); |
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} |
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/** |
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* Use this to revoke the access to the third party data. |
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* This will completely remove the access from the vendor side. |
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* |
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* @param CommonAccessToken $accessToken |
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* @return bool |
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*/ |
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public function revokeAccess(CommonAccessToken $accessToken) |
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{ |
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$tokenData = explode(self::TOKEN_SEPARATOR, $accessToken->token()); |
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/* |
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// it seems it is revoking the main account's token than user specific ones. investigate more |
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try { |
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$this->twitter->post('oauth/invalidate_token', array( |
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'access_token' => $tokenData[0], |
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'access_token_secret' => $tokenData[1], |
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)); |
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} catch (TwitterOAuthException $ex) { |
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return false; |
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} |
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//*/ |
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return true; |
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} |
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} |
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tharangakothalawala /
sso
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