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<?php |
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namespace League\OAuth2\Client\Provider; |
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use League\OAuth2\Client\Exception\HostedDomainException; |
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use League\OAuth2\Client\Provider\Exception\IdentityProviderException; |
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use League\OAuth2\Client\Token\AccessToken; |
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use League\OAuth2\Client\Tool\BearerAuthorizationTrait; |
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use Psr\Http\Message\ResponseInterface; |
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class Google extends AbstractProvider |
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{ |
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use BearerAuthorizationTrait; |
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/** |
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* @var string If set, this will be sent to google as the "access_type" parameter. |
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* @link https://developers.google.com/identity/protocols/OpenIDConnect#authenticationuriparameters |
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*/ |
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protected $accessType; |
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/** |
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* @var string Comma-separated list of domains or domain regular expressions. |
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* If only one regular value is passed, it will be sent to google as the "hd" parameter. |
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* @link https://developers.google.com/identity/protocols/OpenIDConnect#authenticationuriparameters |
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*/ |
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protected $hostedDomain; |
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/** |
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* @var string If set, this will be sent to google as the "prompt" parameter. |
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* @link https://developers.google.com/identity/protocols/OpenIDConnect#authenticationuriparameters |
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*/ |
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protected $prompt; |
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/** |
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* @var array List of scopes that will be used for authentication. |
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* @link https://developers.google.com/identity/protocols/googlescopes |
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*/ |
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protected $scopes = []; |
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public function getBaseAuthorizationUrl() |
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{ |
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return 'https://accounts.google.com/o/oauth2/v2/auth'; |
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} |
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public function getBaseAccessTokenUrl(array $params) |
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{ |
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return 'https://www.googleapis.com/oauth2/v4/token'; |
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} |
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public function getResourceOwnerDetailsUrl(AccessToken $token) |
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{ |
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return 'https://openidconnect.googleapis.com/v1/userinfo'; |
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} |
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protected function getAuthorizationParameters(array $options) |
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{ |
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if (empty($options['hd']) && $this->hostedDomain && !$this->multipleDomains()) { |
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$options['hd'] = $this->hostedDomain; |
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} |
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if (empty($options['access_type']) && $this->accessType) { |
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$options['access_type'] = $this->accessType; |
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} |
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if (empty($options['prompt']) && $this->prompt) { |
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$options['prompt'] = $this->prompt; |
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} |
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// The "approval_prompt" option MUST be removed to prevent conflicts with non-empty "prompt". |
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if (!empty($options['prompt'])) { |
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$options['approval_prompt'] = null; |
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} |
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// Default scopes MUST be included for OpenID Connect. |
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// Additional scopes MAY be added by constructor or option. |
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$scopes = array_merge($this->getDefaultScopes(), $this->scopes); |
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if (!empty($options['scope'])) { |
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$scopes = array_merge($scopes, $options['scope']); |
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} |
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$options['scope'] = array_unique($scopes); |
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return parent::getAuthorizationParameters($options); |
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} |
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protected function getDefaultScopes() |
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{ |
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// "openid" MUST be the first scope in the list. |
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return [ |
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'openid', |
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'email', |
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'profile', |
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]; |
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} |
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protected function getScopeSeparator() |
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{ |
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return ' '; |
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} |
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protected function checkResponse(ResponseInterface $response, $data) |
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{ |
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// @codeCoverageIgnoreStart |
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if (empty($data['error'])) { |
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return; |
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} |
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// @codeCoverageIgnoreEnd |
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$code = 0; |
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$error = $data['error']; |
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if (is_array($error)) { |
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$code = $error['code']; |
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$error = $error['message']; |
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} |
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throw new IdentityProviderException($error, $code, $data); |
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} |
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protected function createResourceOwner(array $response, AccessToken $token) |
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{ |
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$user = new GoogleUser($response); |
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$this->assertMatchingDomains($user->getHostedDomain()); |
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return $user; |
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} |
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protected static function isDomainExpression($str) { |
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return preg_match('/[\(\|\*]/', $str) && !preg_match('!/!', $str); |
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} |
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protected function multipleDomains() { |
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return strpos($this->hostedDomain, ',') !== FALSE || self::isDomainExpression($this->hostedDomain); |
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} |
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/** |
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* @throws HostedDomainException If the domain does not match the configured domain. |
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*/ |
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protected function assertMatchingDomains($hostedDomain) |
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{ |
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if ($this->hostedDomain === null) { |
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// No hosted domain configured. |
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return; |
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} |
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$domains = array_filter(explode(',', $this->hostedDomain)); |
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if (! $domains) { |
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// No hosted domains configured. |
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return; |
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} |
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foreach ($domains as $whiteListedDomain) { |
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if ($this->assertMatchingDomain($whiteListedDomain, $hostedDomain)) { |
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return; |
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} |
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} |
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throw HostedDomainException::notMatchingDomain($this->hostedDomain); |
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} |
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/** |
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* @return bool Whether user-originating domain equals or matches $reference. |
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*/ |
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protected function assertMatchingDomain($reference, $hostedDomain) |
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{ |
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if ($reference === '*' && $hostedDomain) { |
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// Any hosted domain is allowed. |
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return true; |
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} |
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if ($reference === $hostedDomain) { |
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// Hosted domain is correct. |
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return true; |
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} |
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if (self::isDomainExpression($reference) && @preg_match('/' . $reference . '/', $hostedDomain)) { |
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// Hosted domain is correct. |
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return true; |
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} |
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} |
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} |
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thephpleague /
oauth2-google
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.