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<?php |
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/** |
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* @author Tharanga Kothalawala <[email protected]> |
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* @date 31-12-2018 |
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*/ |
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namespace TSK\SSO\ThirdParty\LinkedIn; |
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use TSK\SSO\Http\CurlRequest; |
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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\LinkedIn |
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* @see https://developer.linkedin.com/docs/oauth2 |
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*/ |
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class LinkedInConnection implements VendorConnection |
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{ |
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const AUTH_API_BASE = 'https://www.linkedin.com/oauth/v2'; |
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const API_BASE = 'https://api.linkedin.com/v1'; |
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/** |
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* @var LinkedInApiConfiguration |
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*/ |
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private $linkedInApiConfiguration; |
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/** |
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* @var CurlRequest |
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*/ |
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private $curlClient; |
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/** |
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* @param LinkedInApiConfiguration $linkedInApiConfiguration |
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* @param CurlRequest $curlClient |
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*/ |
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public function __construct( |
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LinkedInApiConfiguration $linkedInApiConfiguration, |
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CurlRequest $curlClient |
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) { |
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$this->linkedInApiConfiguration = $linkedInApiConfiguration; |
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$this->curlClient = $curlClient; |
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} |
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/** |
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* Use this to get a link to redirect a user to the facebook login page. |
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* |
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* @return string |
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*/ |
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public function getGrantUrl() |
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{ |
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return sprintf( |
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'%s/authorization?response_type=code&client_id=%s&redirect_uri=%s&state=%s&scope=%s', |
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self::AUTH_API_BASE, |
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$this->linkedInApiConfiguration->appId(), |
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$this->linkedInApiConfiguration->redirectUrl(), |
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$this->linkedInApiConfiguration->ourSecretState(), |
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$this->linkedInApiConfiguration->appPermissions() |
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); |
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} |
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/** |
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* Grants a new access token |
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* |
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* @return CommonAccessToken |
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* @throws ThirdPartyConnectionFailedException |
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*/ |
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public function grantNewAccessToken() |
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{ |
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// state and code validation |
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if (empty($_GET['code']) |
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|| empty($_GET['state']) |
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|| $_GET['state'] !== $this->linkedInApiConfiguration->ourSecretState() |
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) { |
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throw new ThirdPartyConnectionFailedException('Invalid request!'); |
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} |
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$accessTokenJsonInfo = $this->curlClient->post( |
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sprintf( |
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"%s/accessToken?grant_type=authorization_code&code=%s&redirect_uri=%s&client_id=%s&client_secret=%s", |
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self::AUTH_API_BASE, |
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$_GET['code'], |
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$this->linkedInApiConfiguration->redirectUrl(), |
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$this->linkedInApiConfiguration->appId(), |
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$this->linkedInApiConfiguration->appSecret() |
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) |
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); |
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$accessTokenInfo = json_decode($accessTokenJsonInfo, true); |
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if (!empty($accessTokenInfo['error'])) { |
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throw new ThirdPartyConnectionFailedException( |
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'Failed to establish a new third party vendor connection due to' . $accessTokenInfo['error_description'] |
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); |
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} |
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return new CommonAccessToken($accessTokenInfo['access_token'], ThirdParty::LINKEDIN); |
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} |
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/** |
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* Get the current authenticated user data using there existing granted 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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*/ |
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public function getSelf(CommonAccessToken $accessToken) |
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{ |
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$userJson = $this->curlClient->get(sprintf( |
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'%s/people/~:(id,firstName,lastName,emailAddress)?format=json&oauth2_access_token=%s', |
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self::API_BASE, |
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$accessToken->token() |
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)); |
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$user = json_decode($userJson, true); |
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if (empty($user['emailAddress'])) { |
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throw new NoThirdPartyEmailFoundException('An email address cannot be found from vendor'); |
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} |
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return new ThirdPartyUser( |
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$user['id'], |
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sprintf('%s %s', $user['firstName'], $user['lastName']), |
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$user['emailAddress'] |
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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 $accessToken) |
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{ |
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$this->curlClient->get(sprintf( |
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'https://api.linkedin.com/uas/oauth/invalidateToken?oauth2_access_token=%s', |
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$accessToken->token() |
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)); |
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return true; |
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} |
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} |
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tharangakothalawala /
sso
