OAuthServerException::requestHasAuthorizationHeader() - Code Metrics - Inspection of "Merge pull request #1170 from symbioquine/fix-www-..." - thephpleague/oauth2-server - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 622eaa...020faf )

by Andrew

created 2020-12-11 12:10 UTC

requestHasAuthorizationHeader() A

↳ Parent: OAuthServerException

Complexity

Conditions	4
Paths	3

Size

Total Lines	18
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4

Importance

Changes

Metric	Value
cc	4
eloc	6
c	0
b	0
f	0
nc	3
nop	0
dl	0
loc	18
ccs	7
cts	7
cp	1
crap	4
rs	10

<?php
/**
 * @author      Alex Bilbie <[email protected]>
 * @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.
        if ($this->errorType === 'invalid_client' && $this->requestHasAuthorizationHeader()) {
            $authScheme = \strpos($this->serverRequest->getHeader('Authorization')[0], 'Bearer') === 0 ? 'Bearer' : 'Basic';

            $headers['WWW-Authenticate'] = $authScheme . ' realm="OAuth"';
        }

        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 Redirect URI used for redirecting.
     *
     * @return string|null
     */
    public function getRedirectUri()
    {
        return $this->redirectUri;
    }

    /**
     * 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;
    }

    /**
     * Check if the request has a non-empty 'Authorization' header value.
     *
     * Returns true if the header is present and not an empty string, false
     * otherwise.
     *
     * @return bool
     */
    private function requestHasAuthorizationHeader()
    {
        if (!$this->serverRequest->hasHeader('Authorization')) {
            return false;
        }

        $authorizationHeader = $this->serverRequest->getHeader('Authorization');

        // Common .htaccess configurations yield an empty string for the
        // 'Authorization' header when one is not provided by the client.
        // For practical purposes that case should be treated as though the
        // header isn't present.
        // See https://github.com/thephpleague/oauth2-server/issues/1162
        if (empty($authorizationHeader) || empty($authorizationHeader[0])) {
            return false;
        }

        return true;
    }
}


1		<?php
2		/**
3		* @author Alex Bilbie <[email protected]>
4		* @copyright Copyright (c) Alex Bilbie
5		* @license http://mit-license.org/
6		*
7		* @link https://github.com/thephpleague/oauth2-server
8		*/
9
10		namespace League\OAuth2\Server\Exception;
11
12		use Exception;
13		use Psr\Http\Message\ResponseInterface;
14		use Psr\Http\Message\ServerRequestInterface;
15		use Throwable;
16
17		class OAuthServerException extends Exception
18		{
19		/**
20		* @var int
21		*/
22		private $httpStatusCode;
23
24		/**
25		* @var string
26		*/
27		private $errorType;
28
29		/**
30		* @var null\|string
31		*/
32		private $hint;
33
34		/**
35		* @var null\|string
36		*/
37		private $redirectUri;
38
39		/**
40		* @var array
41		*/
42		private $payload;
43
44		/**
45		* @var ServerRequestInterface
46		*/
47		private $serverRequest;
48
49		/**
50		* Throw a new exception.
51		*
52		* @param string $message Error message
53		* @param int $code Error code
54		* @param string $errorType Error type
55		* @param int $httpStatusCode HTTP status code to send (default = 400)
56		* @param null\|string $hint A helper hint
57		* @param null\|string $redirectUri A HTTP URI to redirect the user back to
58		* @param Throwable $previous Previous exception
59		*/
60	78	public function __construct($message, $code, $errorType, $httpStatusCode = 400, $hint = null, $redirectUri = null, Throwable $previous = null)
61		{
62	78	parent::__construct($message, $code, $previous);
63	78	$this->httpStatusCode = $httpStatusCode;
64	78	$this->errorType = $errorType;
65	78	$this->hint = $hint;
66	78	$this->redirectUri = $redirectUri;
67	78	$this->payload = [
68	78	'error' => $errorType,
69	78	'error_description' => $message,
70		];
71	78	if ($hint !== null) {
72	49	$this->payload['hint'] = $hint;
73		}
74	78	}
75
76		/**
77		* Returns the current payload.
78		*
79		* @return array
80		*/
81	10	public function getPayload()
82		{
83	10	$payload = $this->payload;
84
85		// The "message" property is deprecated and replaced by "error_description"
86		// TODO: remove "message" property
87	10	if (isset($payload['error_description']) && !isset($payload['message'])) {
88	10	$payload['message'] = $payload['error_description'];
89		}
90
91	10	return $payload;
92		}
93
94		/**
95		* Updates the current payload.
96		*
97		* @param array $payload
98		*/
99		public function setPayload(array $payload)
100		{
101		$this->payload = $payload;
102		}
103
104		/**
105		* Set the server request that is responsible for generating the exception
106		*
107		* @param ServerRequestInterface $serverRequest
108		*/
109	18	public function setServerRequest(ServerRequestInterface $serverRequest)
110		{
111	18	$this->serverRequest = $serverRequest;
112	18	}
113
114		/**
115		* Unsupported grant type error.
116		*
117		* @return static
118		*/
119	2	public static function unsupportedGrantType()
120		{
121	2	$errorMessage = 'The authorization grant type is not supported by the authorization server.';
122	2	$hint = 'Check that all required parameters have been provided';
123
124	2	return new static($errorMessage, 2, 'unsupported_grant_type', 400, $hint);
125		}
126
127		/**
128		* Invalid request error.
129		*
130		* @param string $parameter The invalid parameter
131		* @param null\|string $hint
132		* @param Throwable $previous Previous exception
133		*
134		* @return static
135		*/
136	23	public static function invalidRequest($parameter, $hint = null, Throwable $previous = null)
137		{
138		$errorMessage = 'The request is missing a required parameter, includes an invalid parameter value, ' .
139	23	'includes a parameter more than once, or is otherwise malformed.';
140	23	$hint = ($hint === null) ? \sprintf('Check the `%s` parameter', $parameter) : $hint;
141
142	23	return new static($errorMessage, 3, 'invalid_request', 400, $hint, null, $previous);
143		}
144
145		/**
146		* Invalid client error.
147		*
148		* @param ServerRequestInterface $serverRequest
149		*
150		* @return static
151		*/
152	18	public static function invalidClient(ServerRequestInterface $serverRequest)
153		{
154	18	$exception = new static('Client authentication failed', 4, 'invalid_client', 401);
155
156	18	$exception->setServerRequest($serverRequest);
157
158	18	return $exception;
159		}
160
161		/**
162		* Invalid scope error.
163		*
164		* @param string $scope The bad scope
165		* @param null\|string $redirectUri A HTTP URI to redirect the user back to
166		*
167		* @return static
168		*/
169	5	public static function invalidScope($scope, $redirectUri = null)
170		{
171	5	$errorMessage = 'The requested scope is invalid, unknown, or malformed';
172
173	5	if (empty($scope)) {
174		$hint = 'Specify a scope in the request or set a default scope';
175		} else {
176	5	$hint = \sprintf(
177		'Check the `%s` scope',
178	5	\htmlspecialchars($scope, ENT_QUOTES, 'UTF-8', false)
179		);
180		}
181
182	5	return new static($errorMessage, 5, 'invalid_scope', 400, $hint, $redirectUri);
183		}
184
185		/**
186		* Invalid credentials error.
187		*
188		* @return static
189		*/
190		public static function invalidCredentials()
191		{
192		return new static('The user credentials were incorrect.', 6, 'invalid_credentials', 401);
193		}
194
195		/**
196		* Server error.
197		*
198		* @param string $hint
199		* @param Throwable $previous
200		*
201		* @return static
202		*
203		* @codeCoverageIgnore
204		*/
205		public static function serverError($hint, Throwable $previous = null)
206		{
207		return new static(
208		'The authorization server encountered an unexpected condition which prevented it from fulfilling'
209		. ' the request: ' . $hint,
210		7,
211		'server_error',
212		500,
213		null,
214		null,
215		$previous
216		);
217		}
218
219		/**
220		* Invalid refresh token.
221		*
222		* @param null\|string $hint
223		* @param Throwable $previous
224		*
225		* @return static
226		*/
227	4	public static function invalidRefreshToken($hint = null, Throwable $previous = null)
228		{
229	4	return new static('The refresh token is invalid.', 8, 'invalid_request', 401, $hint, null, $previous);
230		}
231
232		/**
233		* Access denied.
234		*
235		* @param null\|string $hint
236		* @param null\|string $redirectUri
237		* @param Throwable $previous
238		*
239		* @return static
240		*/
241	15	public static function accessDenied($hint = null, $redirectUri = null, Throwable $previous = null)
242		{
243	15	return new static(
244	15	'The resource owner or authorization server denied the request.',
245	15	9,
246	15	'access_denied',
247	15	401,
248		$hint,
249		$redirectUri,
250		$previous
251		);
252		}
253
254		/**
255		* Invalid grant.
256		*
257		* @param string $hint
258		*
259		* @return static
260		*/
261	2	public static function invalidGrant($hint = '')
262		{
263	2	return new static(
264	2	'The provided authorization grant (e.g., authorization code, resource owner credentials) or refresh token '
265		. 'is invalid, expired, revoked, does not match the redirection URI used in the authorization request, '
266	2	. 'or was issued to another client.',
267	2	10,
268	2	'invalid_grant',
269	2	400,
270		$hint
271		);
272		}
273
274		/**
275		* @return string
276		*/
277	2	public function getErrorType()
278		{
279	2	return $this->errorType;
280		}
281
282		/**
283		* Generate a HTTP response.
284		*
285		* @param ResponseInterface $response
286		* @param bool $useFragment True if errors should be in the URI fragment instead of query string
287		* @param int $jsonOptions options passed to json_encode
288		*
289		* @return ResponseInterface
290		*/
291	10	public function generateHttpResponse(ResponseInterface $response, $useFragment = false, $jsonOptions = 0)
292		{
293	10	$headers = $this->getHttpHeaders();
294
295	10	$payload = $this->getPayload();
296
297	10	if ($this->redirectUri !== null) {
298	3	if ($useFragment === true) {
299	1	$this->redirectUri .= (\strstr($this->redirectUri, '#') === false) ? '#' : '&';
300		} else {
301	2	$this->redirectUri .= (\strstr($this->redirectUri, '?') === false) ? '?' : '&';
302		}
303
304	3	return $response->withStatus(302)->withHeader('Location', $this->redirectUri . \http_build_query($payload));
305		}
306
307	7	foreach ($headers as $header => $content) {
308	7	$response = $response->withHeader($header, $content);
309		}
310
311	7	$responseBody = \json_encode($payload, $jsonOptions) ?: 'JSON encoding of payload failed';
312
313	7	$response->getBody()->write($responseBody);
314
315	7	return $response->withStatus($this->getHttpStatusCode());
316		}
317
318		/**
319		* Get all headers that have to be send with the error response.
320		*
321		* @return array Array with header values
322		*/
323	10	public function getHttpHeaders()
324		{
325		$headers = [
326	10	'Content-type' => 'application/json',
327		];
328
329		// Add "WWW-Authenticate" header
330		//
331		// RFC 6749, section 5.2.:
332		// "If the client attempted to authenticate via the 'Authorization'
333		// request header field, the authorization server MUST
334		// respond with an HTTP 401 (Unauthorized) status code and
335		// include the "WWW-Authenticate" response header field
336		// matching the authentication scheme used by the client.
337	10	if ($this->errorType === 'invalid_client' && $this->requestHasAuthorizationHeader()) {
338	2	$authScheme = \strpos($this->serverRequest->getHeader('Authorization')[0], 'Bearer') === 0 ? 'Bearer' : 'Basic';
339
340	2	$headers['WWW-Authenticate'] = $authScheme . ' realm="OAuth"';
341		}
342
343	10	return $headers;
344		}
345
346		/**
347		* Check if the exception has an associated redirect URI.
348		*
349		* Returns whether the exception includes a redirect, since
350		* getHttpStatusCode() doesn't return a 302 when there's a
351		* redirect enabled. This helps when you want to override local
352		* error pages but want to let redirects through.
353		*
354		* @return bool
355		*/
356	2	public function hasRedirect()
357		{
358	2	return $this->redirectUri !== null;
359		}
360
361		/**
362		* Returns the Redirect URI used for redirecting.
363		*
364		* @return string\|null
365		*/
366	1	public function getRedirectUri()
367		{
368	1	return $this->redirectUri;
369		}
370
371		/**
372		* Returns the HTTP status code to send when the exceptions is output.
373		*
374		* @return int
375		*/
376	9	public function getHttpStatusCode()
377		{
378	9	return $this->httpStatusCode;
379		}
380
381		/**
382		* @return null\|string
383		*/
384	15	public function getHint()
385		{
386	15	return $this->hint;
387		}
388
389		/**
390		* Check if the request has a non-empty 'Authorization' header value.
391		*
392		* Returns true if the header is present and not an empty string, false
393		* otherwise.
394		*
395		* @return bool
396		*/
397	5	private function requestHasAuthorizationHeader()
398		{
399	5	if (!$this->serverRequest->hasHeader('Authorization')) {
400	2	return false;
401		}
402
403	3	$authorizationHeader = $this->serverRequest->getHeader('Authorization');
404
405		// Common .htaccess configurations yield an empty string for the
406		// 'Authorization' header when one is not provided by the client.
407		// For practical purposes that case should be treated as though the
408		// header isn't present.
409		// See https://github.com/thephpleague/oauth2-server/issues/1162
410	3	if (empty($authorizationHeader) \|\| empty($authorizationHeader[0])) {
411	1	return false;
412		}
413
414	2	return true;
415		}
416		}
417

thephpleague / oauth2-server

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