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' received requesting access token: ' . $response->body . '.'); } } if ($this->getOption('sendheaders')) { $this->application->redirect($this->createUrl()); } return false; } /** * Verify if the client has been authenticated * * @return boolean Is authenticated * * @since 12.3 */ public function isAuthenticated() { $token = $this->getToken(); if (!$token || !array_key_exists('access_token', $token)) { return false; } elseif (array_key_exists('expires_in', $token) && $token['created'] + $token['expires_in'] < time() + 20) { return false; } else { return true; } } /** * Create the URL for authentication. * * @return JHttpResponse The HTTP response * * @since 12.3 * @throws InvalidArgumentException */ public function createUrl() { if (!$this->getOption('authurl') || !$this->getOption('clientid')) { throw new InvalidArgumentException('Authorization URL and client_id are required'); } $url = $this->getOption('authurl'); if (strpos($url, '?')) { $url .= '&'; } else { $url .= '?'; } $url .= 'response_type=code'; $url .= '&client_id=' . urlencode($this->getOption('clientid')); if ($this->getOption('redirecturi')) { $url .= '&redirect_uri=' . urlencode($this->getOption('redirecturi')); } if ($this->getOption('scope')) { $scope = is_array($this->getOption('scope')) ? implode(' ', $this->getOption('scope')) : $this->getOption('scope'); $url .= '&scope=' . urlencode($scope); } if ($this->getOption('state')) { $url .= '&state=' . urlencode($this->getOption('state')); } if (is_array($this->getOption('requestparams'))) { foreach ($this->getOption('requestparams') as $key => $value) { $url .= '&' . $key . '=' . urlencode($value); } } return $url; } /** * Send a signed Oauth request. * * @param string $url The URL for the request. * @param mixed $data The data to include in the request * @param array $headers The headers to send with the request * @param string $method The method with which to send the request * @param int $timeout The timeout for the request * * @return string The URL. * * @since 12.3 * @throws InvalidArgumentException * @throws RuntimeException */ public function query($url, $data = null, $headers = array(), $method = 'get', $timeout = null) { $token = $this->getToken(); if (array_key_exists('expires_in', $token) && $token['created'] + $token['expires_in'] < time() + 20) { if (!$this->getOption('userefresh')) { return false; } $token = $this->refreshToken($token['refresh_token']); } if (!$this->getOption('authmethod') || $this->getOption('authmethod') == 'bearer') { $headers['Authorization'] = 'Bearer ' . $token['access_token']; } elseif ($this->getOption('authmethod') == 'get') { if (strpos($url, '?')) { $url .= '&'; } else { $url .= '?'; } $url .= $this->getOption('getparam') ? $this->getOption('getparam') : 'access_token'; $url .= '=' . $token['access_token']; } switch ($method) { case 'head': case 'get': case 'delete': case 'trace': $response = $this->http->$method($url, $headers, $timeout); break; case 'post': case 'put': case 'patch': $response = $this->http->$method($url, $data, $headers, $timeout); break; default: throw new InvalidArgumentException('Unknown HTTP request method: ' . $method . '.'); } if ($response->code < 200 || $response->code >= 400) { throw new RuntimeException('Error code ' . $response->code . ' received requesting data: ' . $response->body . '.'); } return $response; } /** * Get an option from the JOAuth2Client instance. * * @param string $key The name of the option to get * * @return mixed The option value * * @since 12.3 */ public function getOption($key) { return $this->options->get($key); } /** * Set an option for the JOAuth2Client instance. * * @param string $key The name of the option to set * @param mixed $value The option value to set * * @return JOAuth2Client This object for method chaining * * @since 12.3 */ public function setOption($key, $value) { $this->options->set($key, $value); return $this; } /** * Get the access token from the JOAuth2Client instance. * * @return array The access token * * @since 12.3 */ public function getToken() { return $this->getOption('accesstoken'); } /** * Set an option for the JOAuth2Client instance. * * @param array $value The access token * * @return JOAuth2Client This object for method chaining * * @since 12.3 */ public function setToken($value) { if (is_array($value) && !array_key_exists('expires_in', $value) && array_key_exists('expires', $value)) { $value['expires_in'] = $value['expires']; unset($value['expires']); } $this->setOption('accesstoken', $value); return $this; } /** * Refresh the access token instance. * * @param string $token The refresh token * * @return array The new access token * * @since 12.3 * @throws Exception * @throws RuntimeException */ public function refreshToken($token = null) { if (!$this->getOption('userefresh')) { throw new RuntimeException('Refresh token is not supported for this OAuth instance.'); } if (!$token) { $token = $this->getToken(); if (!array_key_exists('refresh_token', $token)) { throw new RuntimeException('No refresh token is available.'); } $token = $token['refresh_token']; } $data['grant_type'] = 'refresh_token'; $data['refresh_token'] = $token; $data['client_id'] = $this->getOption('clientid'); $data['client_secret'] = $this->getOption('clientsecret'); $response = $this->http->post($this->getOption('tokenurl'), $data); if ($response->code >= 200 || $response->code < 400) { if (strpos($response->headers['Content-Type'], 'application/json') === 0) { $token = array_merge(json_decode($response->body, true), array('created' => time())); } else { parse_str($response->body, $token); $token = array_merge($token, array('created' => time())); } $this->setToken($token); return $token; } else { throw new Exception('Error code ' . $response->code . ' received refreshing token: ' . $response->body . '.'); } } }