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<?php |
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namespace Slackbot; |
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use Slackbot\client\ApiClient; |
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use Slackbot\utility\RequestUtility; |
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use Slackbot\utility\SecurityUtility; |
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use Slackbot\utility\SessionUtility; |
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/** |
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* Class OAuth. |
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*/ |
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class OAuth |
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{ |
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const AUTHORIZATION_URL = 'https://slack.com/oauth/authorize'; |
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const SESSION_STATE_KEY = 'state'; |
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private $clientId; |
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private $clientSecret; |
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private $scopes; |
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private $redirectUri; |
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private $state; |
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private $teamId; |
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private $apiClient; |
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private $sessionUtility; |
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private $requestUtility; |
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/** |
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* @var string configuration_url will be the URL that you can point your user to if they'd like to edit |
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* or remove this integration in Slack |
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*/ |
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private $configurationUrl; |
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/** |
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* @var string The team_name field will be the name of the team that installed your app |
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*/ |
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private $teamName; |
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private $accessToken; |
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/** |
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* @var string the channel will be the channel name that they have chosen to post to |
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*/ |
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private $channel; |
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/** |
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* @var string you will need to use bot_user_id and bot_access_token whenever you are acting on behalf of |
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* that bot user for that team context. |
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* Use the top-level access_token value for other integration points. |
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*/ |
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private $botUserId; |
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private $botAccessToken; |
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private $config; |
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/** |
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* OAuth constructor. |
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* |
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* @param $clientId |
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* @param $clientSecret |
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* @param array $scopes |
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*/ |
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public function __construct($clientId = '', $clientSecret = '', array $scopes = []) |
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{ |
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$this->setClientId($clientId); |
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$this->setClientSecret($clientSecret); |
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$this->setScopes($scopes); |
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} |
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/** |
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* @return string |
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*/ |
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public function getClientId() |
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{ |
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if (empty($this->clientId)) { |
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$this->setClientId($this->getConfig()->get('clientId')); |
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} |
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return $this->clientId; |
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} |
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/** |
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* @param string $clientId |
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*/ |
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public function setClientId($clientId) |
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{ |
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$this->clientId = $clientId; |
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} |
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/** |
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* @return array |
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*/ |
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public function getScopes() |
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{ |
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if (empty($this->scopes)) { |
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$this->setScopes($this->getConfig()->get('scopes')); |
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} |
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return $this->scopes; |
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} |
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/** |
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* @param array $scopes |
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*/ |
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public function setScopes(array $scopes) |
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{ |
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$this->scopes = $scopes; |
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} |
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/** |
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* @return string |
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*/ |
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public function getRedirectUri() |
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{ |
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return $this->redirectUri; |
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} |
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/** |
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* @param string $redirectUri |
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*/ |
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public function setRedirectUri($redirectUri) |
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{ |
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$this->redirectUri = $redirectUri; |
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} |
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/** |
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* @return string |
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*/ |
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public function getState() |
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{ |
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if (!isset($this->state)) { |
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$this->setState((new SecurityUtility())->generateToken()); |
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} |
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return $this->state; |
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} |
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/** |
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* @param string $state |
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*/ |
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public function setState($state) |
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{ |
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$this->getSessionUtility()->set(self::SESSION_STATE_KEY, $state); |
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$this->state = $state; |
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} |
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/** |
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* @param $state |
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* |
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* @return bool |
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*/ |
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public function verifyState($state) |
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{ |
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return $state === $this->getSessionUtility()->get(self::SESSION_STATE_KEY) ? true : false; |
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} |
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/** |
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* @return int |
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*/ |
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public function getTeamId() |
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{ |
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return $this->teamId; |
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} |
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/** |
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* @param int $teamId |
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*/ |
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public function setTeamId($teamId) |
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{ |
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$this->teamId = $teamId; |
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} |
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/** |
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* @param string $height |
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* @param string $weight |
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* @param string $cssClass |
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* |
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* @return string |
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*/ |
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public function generateAddButton($height = '40', $weight = '139', $cssClass = '') |
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{ |
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$authorizationUrl = self::AUTHORIZATION_URL; |
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$scope = implode(',', $this->getScopes()); |
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$clientId = $this->getClientId(); |
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$stateQueryString = ''; |
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if (!empty($this->getState())) { |
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$state = $this->getState(); |
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$stateQueryString = "&state={$state}"; |
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} |
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$href = "{$authorizationUrl}?scope={$scope}&client_id={$clientId}{$stateQueryString}"; |
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$html = "<a href='{$href}'> |
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<img alt='Add to Slack' class='{$cssClass}' height='{$height}' width='{$weight}' |
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src='https://platform.slack-edge.com/img/add_to_slack.png' |
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srcset='https://platform.slack-edge.com/img/add_to_slack.png 1x, |
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https://platform.slack-edge.com/img/[email protected] 2x' /></a>"; |
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return $html; |
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} |
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/** |
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* @param $code |
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* @param bool $verifyState State is checked against the value in the session |
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* @param null $state |
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* |
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* @throws \Exception |
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* |
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* @return mixed |
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*/ |
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public function getAccessToken($code, $verifyState = true, $state = null) |
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{ |
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if (!isset($this->accessToken)) { |
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if ($verifyState === true) { |
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if (empty($state)) { |
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throw new \Exception('State is not provided'); |
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} |
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$verificationResult = $this->verifyState($state); |
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if ($verificationResult !== true) { |
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throw new \Exception("State: {$state} is not valid"); |
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} |
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} |
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try { |
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$this->handleRequestAccessTokenResponse($this->requestAccessToken($code)); |
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} catch (\Exception $e) { |
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throw $e; |
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} |
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} |
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return $this->accessToken; |
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} |
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/** |
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* @param $response |
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* |
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* @throws \Exception |
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*/ |
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private function handleRequestAccessTokenResponse($response) |
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{ |
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if ($response['ok'] !== true) { |
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throw new \Exception($response['error']); |
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} |
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$this->setAccessToken($response['access_token']); |
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$this->setTeamId($response['team_id']); |
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$this->setBotUserId($response['bot']['bot_user_id']); |
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$this->setBotAccessToken($response['bot']['bot_access_token']); |
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$channel = ''; |
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if (isset($response['incoming_webhook']['channel'])) { |
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$channel = $response['incoming_webhook']['channel']; |
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} |
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$this->setChannel($channel); |
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} |
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/** |
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* @param $code |
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* |
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* @throws \Exception |
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* |
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* @return mixed |
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*/ |
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private function requestAccessToken($code) |
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{ |
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if (empty($code)) { |
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throw new \Exception('Code must be provided to get the access token'); |
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} |
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try { |
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return $this->getApiClient()->oauthAccess([ |
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'client_id' => $this->getClientId(), |
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'client_secret' => $this->getClientSecret(), |
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'code' => $code, |
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]); |
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} catch (\Exception $e) { |
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throw $e; |
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} |
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} |
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/** |
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285
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* @param $accessToken |
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*/ |
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public function setAccessToken($accessToken) |
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{ |
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$this->accessToken = $accessToken; |
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} |
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/** |
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293
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* @return string |
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*/ |
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295
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public function getClientSecret() |
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296
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{ |
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297
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if (empty($this->clientSecret)) { |
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$this->setClientSecret($this->getConfig()->get('clientSecret')); |
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} |
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300
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301
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return $this->clientSecret; |
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} |
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303
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304
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/** |
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305
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* @param string $clientSecret |
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306
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*/ |
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307
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public function setClientSecret($clientSecret) |
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308
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{ |
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$this->clientSecret = $clientSecret; |
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} |
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311
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312
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/** |
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313
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* @return string |
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314
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*/ |
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315
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public function getBotUserId() |
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316
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{ |
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317
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return $this->botUserId; |
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318
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} |
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319
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320
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/** |
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321
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* @param string $botUserId |
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322
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*/ |
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323
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public function setBotUserId($botUserId) |
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324
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{ |
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325
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$this->botUserId = $botUserId; |
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} |
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327
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328
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/** |
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329
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* @return string |
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330
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*/ |
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331
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public function getBotAccessToken() |
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332
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{ |
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333
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return $this->botAccessToken; |
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334
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} |
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335
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336
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/** |
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337
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* @param string $botAccessToken |
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338
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*/ |
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339
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public function setBotAccessToken($botAccessToken) |
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340
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{ |
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341
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$this->botAccessToken = $botAccessToken; |
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342
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} |
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343
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344
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/** |
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345
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* @return string |
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346
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*/ |
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347
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|
public function getChannel() |
|
348
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|
{ |
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349
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return $this->channel; |
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350
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} |
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351
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352
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/** |
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353
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* @param string $channel |
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354
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*/ |
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355
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|
public function setChannel($channel) |
|
356
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{ |
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357
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$this->channel = $channel; |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
/** |
|
361
|
|
|
* @return string |
|
362
|
|
|
*/ |
|
363
|
|
|
public function getTeamName() |
|
364
|
|
|
{ |
|
365
|
|
|
return $this->teamName; |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
/** |
|
369
|
|
|
* @param string $teamName |
|
370
|
|
|
*/ |
|
371
|
|
|
public function setTeamName($teamName) |
|
372
|
|
|
{ |
|
373
|
|
|
$this->teamName = $teamName; |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
/** |
|
377
|
|
|
* @return string |
|
378
|
|
|
*/ |
|
379
|
|
|
public function getConfigurationUrl() |
|
380
|
|
|
{ |
|
381
|
|
|
return $this->configurationUrl; |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
/** |
|
385
|
|
|
* @param string $configurationUrl |
|
386
|
|
|
*/ |
|
387
|
|
|
public function setConfigurationUrl($configurationUrl) |
|
388
|
|
|
{ |
|
389
|
|
|
$this->configurationUrl = $configurationUrl; |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
/** |
|
393
|
|
|
* @return ApiClient |
|
394
|
|
|
*/ |
|
395
|
|
|
public function getApiClient() |
|
396
|
|
|
{ |
|
397
|
|
|
if (!isset($this->apiClient)) { |
|
398
|
|
|
$this->setApiClient(new ApiClient()); |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
return $this->apiClient; |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
/** |
|
405
|
|
|
* @param ApiClient $apiClient |
|
406
|
|
|
*/ |
|
407
|
|
|
public function setApiClient(ApiClient $apiClient) |
|
408
|
|
|
{ |
|
409
|
|
|
$this->apiClient = $apiClient; |
|
410
|
|
|
} |
|
411
|
|
|
|
|
412
|
|
|
/** |
|
413
|
|
|
* @param SessionUtility $sessionUtility |
|
414
|
|
|
*/ |
|
415
|
|
|
public function setSessionUtility(SessionUtility $sessionUtility) |
|
416
|
|
|
{ |
|
417
|
|
|
$this->sessionUtility = $sessionUtility; |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
/** |
|
421
|
|
|
* @return SessionUtility|null |
|
422
|
|
|
*/ |
|
423
|
|
|
public function getSessionUtility() |
|
424
|
|
|
{ |
|
425
|
|
|
if (!isset($this->sessionUtility)) { |
|
426
|
|
|
$this->setSessionUtility(new SessionUtility()); |
|
427
|
|
|
} |
|
428
|
|
|
|
|
429
|
|
|
return $this->sessionUtility; |
|
430
|
|
|
} |
|
431
|
|
|
|
|
432
|
|
|
/** |
|
433
|
|
|
* @return Config |
|
434
|
|
|
*/ |
|
435
|
|
|
public function getConfig() |
|
436
|
|
|
{ |
|
437
|
|
|
if (!isset($this->config)) { |
|
438
|
|
|
$this->setConfig(new Config()); |
|
439
|
|
|
} |
|
440
|
|
|
|
|
441
|
|
|
return $this->config; |
|
442
|
|
|
} |
|
443
|
|
|
|
|
444
|
|
|
/** |
|
445
|
|
|
* @param Config $config |
|
446
|
|
|
*/ |
|
447
|
|
|
public function setConfig(Config $config) |
|
448
|
|
|
{ |
|
449
|
|
|
$this->config = $config; |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
/** |
|
453
|
|
|
* @param null $code |
|
454
|
|
|
* @param null $state |
|
455
|
|
|
* |
|
456
|
|
|
* @throws \Exception |
|
457
|
|
|
* |
|
458
|
|
|
* @return bool |
|
459
|
|
|
*/ |
|
460
|
|
|
public function doOauth($code = null, $state = null) |
|
461
|
|
|
{ |
|
462
|
|
|
$getRequest = $this->getRequestUtility()->getGet(); |
|
463
|
|
|
|
|
464
|
|
|
// get code from GET request |
|
465
|
|
|
if ($code === null && isset($getRequest['code'])) { |
|
466
|
|
|
$code = $getRequest['code']; |
|
467
|
|
|
} |
|
468
|
|
|
|
|
469
|
|
|
// get state from GET request |
|
470
|
|
|
if ($state === null && isset($getRequest['state'])) { |
|
471
|
|
|
$state = $getRequest['state']; |
|
472
|
|
|
} |
|
473
|
|
|
|
|
474
|
|
|
try { |
|
475
|
|
|
$accessToken = $this->getAccessToken($code, true, $state); |
|
476
|
|
|
|
|
477
|
|
|
if (empty($accessToken)) { |
|
478
|
|
|
throw new \Exception('Access token is not provided'); |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
// do whatever you want with the access token |
|
482
|
|
|
} catch (\Exception $e) { |
|
483
|
|
|
throw $e; |
|
484
|
|
|
} |
|
485
|
|
|
|
|
486
|
|
|
return true; |
|
487
|
|
|
} |
|
488
|
|
|
|
|
489
|
|
|
/** |
|
490
|
|
|
* @return RequestUtility |
|
491
|
|
|
*/ |
|
492
|
|
|
public function getRequestUtility() |
|
493
|
|
|
{ |
|
494
|
|
|
if (!isset($this->requestUtility)) { |
|
495
|
|
|
$this->setRequestUtility((new RequestUtility())); |
|
496
|
|
|
} |
|
497
|
|
|
|
|
498
|
|
|
return $this->requestUtility; |
|
499
|
|
|
} |
|
500
|
|
|
|
|
501
|
|
|
/** |
|
502
|
|
|
* @param RequestUtility $requestUtility |
|
503
|
|
|
*/ |
|
504
|
|
|
public function setRequestUtility(RequestUtility $requestUtility) |
|
505
|
|
|
{ |
|
506
|
|
|
$this->requestUtility = $requestUtility; |
|
507
|
|
|
} |
|
508
|
|
|
} |
|
509
|
|
|
|