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@alexbilbie @Sephster @juliangut @lookyman @iansltx @ceeram @stratoss @marc-mabe @jeremykendall
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<?php
/**
* @author Alex Bilbie <hello@alexbilbie.com>
* @copyright Copyright (c) Alex Bilbie
* @license http://mit-license.org/
*
* @link https://github.com/thephpleague/oauth2-server
*/
namespace League\OAuth2\Server\Exception;
use Exception;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Throwable;
class OAuthServerException extends Exception
{
/**
* @var int
*/
private $httpStatusCode;
/**
* @var string
*/
private $errorType;
/**
* @var null|string
*/
private $hint;
/**
* @var null|string
*/
private $redirectUri;
/**
* @var array
*/
private $payload;
/**
* @var ServerRequestInterface
*/
private $serverRequest;
/**
* Throw a new exception.
*
* @param string $message Error message
* @param int $code Error code
* @param string $errorType Error type
* @param int $httpStatusCode HTTP status code to send (default = 400)
* @param null|string $hint A helper hint
* @param null|string $redirectUri A HTTP URI to redirect the user back to
* @param Throwable $previous Previous exception
*/
public function __construct($message, $code, $errorType, $httpStatusCode = 400, $hint = null, $redirectUri = null, Throwable $previous = null)
{
parent::__construct($message, $code, $previous);
$this->httpStatusCode = $httpStatusCode;
$this->errorType = $errorType;
$this->hint = $hint;
$this->redirectUri = $redirectUri;
$this->payload = [
'error' => $errorType,
'error_description' => $message,
];
if ($hint !== null) {
$this->payload['hint'] = $hint;
}
}
/**
* Returns the current payload.
*
* @return array
*/
public function getPayload()
{
$payload = $this->payload;
// The "message" property is deprecated and replaced by "error_description"
// TODO: remove "message" property
if (isset($payload['error_description']) && !isset($payload['message'])) {
$payload['message'] = $payload['error_description'];
}
return $payload;
}
/**
* Updates the current payload.
*
* @param array $payload
*/
public function setPayload(array $payload)
{
$this->payload = $payload;
}
/**
* Set the server request that is responsible for generating the exception
*
* @param ServerRequestInterface $serverRequest
*/
public function setServerRequest(ServerRequestInterface $serverRequest)
{
$this->serverRequest = $serverRequest;
}
/**
* Unsupported grant type error.
*
* @return static
*/
public static function unsupportedGrantType()
{
$errorMessage = 'The authorization grant type is not supported by the authorization server.';
$hint = 'Check that all required parameters have been provided';
return new static($errorMessage, 2, 'unsupported_grant_type', 400, $hint);
}
/**
* Invalid request error.
*
* @param string $parameter The invalid parameter
* @param null|string $hint
* @param Throwable $previous Previous exception
*
* @return static
*/
public static function invalidRequest($parameter, $hint = null, Throwable $previous = null)
{
$errorMessage = 'The request is missing a required parameter, includes an invalid parameter value, ' .
'includes a parameter more than once, or is otherwise malformed.';
$hint = ($hint === null) ? sprintf('Check the `%s` parameter', $parameter) : $hint;
return new static($errorMessage, 3, 'invalid_request', 400, $hint, null, $previous);
}
/**
* Invalid client error.
*
* @param ServerRequestInterface $serverRequest
*
* @return static
*/
public static function invalidClient(ServerRequestInterface $serverRequest)
{
$exception = new static('Client authentication failed', 4, 'invalid_client', 401);
$exception->setServerRequest($serverRequest);
return $exception;
}
/**
* Invalid scope error.
*
* @param string $scope The bad scope
* @param null|string $redirectUri A HTTP URI to redirect the user back to
*
* @return static
*/
public static function invalidScope($scope, $redirectUri = null)
{
$errorMessage = 'The requested scope is invalid, unknown, or malformed';
if (empty($scope)) {
$hint = 'Specify a scope in the request or set a default scope';
} else {
$hint = sprintf(
'Check the `%s` scope',
htmlspecialchars($scope, ENT_QUOTES, 'UTF-8', false)
);
}
return new static($errorMessage, 5, 'invalid_scope', 400, $hint, $redirectUri);
}
/**
* Invalid credentials error.
*
* @return static
*/
public static function invalidCredentials()
{
return new static('The user credentials were incorrect.', 6, 'invalid_credentials', 401);
}
/**
* Server error.
*
* @param string $hint
* @param Throwable $previous
*
* @return static
*
* @codeCoverageIgnore
*/
public static function serverError($hint, Throwable $previous = null)
{
return new static(
'The authorization server encountered an unexpected condition which prevented it from fulfilling'
. ' the request: ' . $hint,
7,
'server_error',
500,
null,
null,
$previous
);
}
/**
* Invalid refresh token.
*
* @param null|string $hint
* @param Throwable $previous
*
* @return static
*/
public static function invalidRefreshToken($hint = null, Throwable $previous = null)
{
return new static('The refresh token is invalid.', 8, 'invalid_request', 401, $hint, null, $previous);
}
/**
* Access denied.
*
* @param null|string $hint
* @param null|string $redirectUri
* @param Throwable $previous
*
* @return static
*/
public static function accessDenied($hint = null, $redirectUri = null, Throwable $previous = null)
{
return new static(
'The resource owner or authorization server denied the request.',
9,
'access_denied',
401,
$hint,
$redirectUri,
$previous
);
}
/**
* Invalid grant.
*
* @param string $hint
*
* @return static
*/
public static function invalidGrant($hint = '')
{
return new static(
'The provided authorization grant (e.g., authorization code, resource owner credentials) or refresh token '
. 'is invalid, expired, revoked, does not match the redirection URI used in the authorization request, '
. 'or was issued to another client.',
10,
'invalid_grant',
400,
$hint
);
}
/**
* @return string
*/
public function getErrorType()
{
return $this->errorType;
}
/**
* Generate a HTTP response.
*
* @param ResponseInterface $response
* @param bool $useFragment True if errors should be in the URI fragment instead of query string
* @param int $jsonOptions options passed to json_encode
*
* @return ResponseInterface
*/
public function generateHttpResponse(ResponseInterface $response, $useFragment = false, $jsonOptions = 0)
{
$headers = $this->getHttpHeaders();
$payload = $this->getPayload();
if ($this->redirectUri !== null) {
if ($useFragment === true) {
$this->redirectUri .= (strstr($this->redirectUri, '#') === false) ? '#' : '&';
} else {
$this->redirectUri .= (strstr($this->redirectUri, '?') === false) ? '?' : '&';
}
return $response->withStatus(302)->withHeader('Location', $this->redirectUri . http_build_query($payload));
}
foreach ($headers as $header => $content) {
$response = $response->withHeader($header, $content);
}
$responseBody = json_encode($payload, $jsonOptions) ?: 'JSON encoding of payload failed';
$response->getBody()->write($responseBody);
return $response->withStatus($this->getHttpStatusCode());
}
/**
* Get all headers that have to be send with the error response.
*
* @return array Array with header values
*/
public function getHttpHeaders()
{
$headers = [
'Content-type' => 'application/json',
];
// Add "WWW-Authenticate" header
//
// RFC 6749, section 5.2.:
// "If the client attempted to authenticate via the 'Authorization'
// request header field, the authorization server MUST
// respond with an HTTP 401 (Unauthorized) status code and
// include the "WWW-Authenticate" response header field
// matching the authentication scheme used by the client.
// @codeCoverageIgnoreStart
if ($this->errorType === 'invalid_client' && $this->serverRequest->hasHeader('Authorization') === true) {
$authScheme = strpos($this->serverRequest->getHeader('Authorization')[0], 'Bearer') === 0 ? 'Bearer' : 'Basic';
$headers['WWW-Authenticate'] = $authScheme . ' realm="OAuth"';
}
// @codeCoverageIgnoreEnd
return $headers;
}
/**
* Check if the exception has an associated redirect URI.
*
* Returns whether the exception includes a redirect, since
* getHttpStatusCode() doesn't return a 302 when there's a
* redirect enabled. This helps when you want to override local
* error pages but want to let redirects through.
*
* @return bool
*/
public function hasRedirect()
{
return $this->redirectUri !== null;
}
/**
* Returns the HTTP status code to send when the exceptions is output.
*
* @return int
*/
public function getHttpStatusCode()
{
return $this->httpStatusCode;
}
/**
* @return null|string
*/
public function getHint()
{
return $this->hint;
}
}
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