AuthCodeGrant::enableCodeExchangeProof() - Code Metrics - Inspection of "Alternative approach to RFC 7636" - thephpleague/oauth2-server - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#648)

by Lukáš

created 2016-08-31 18:16 UTC

AuthCodeGrant::enableCodeExchangeProof() A

↳ Parent: AuthCodeGrant

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	1

Metric	Value
c	1
b	1
f	1
dl	0
loc	4
rs	10
cc	1
eloc	2
nc	1
nop	0

<?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\Grant;

use League\OAuth2\Server\CodeChallengeVerifiers\CodeChallengeVerifierInterface;
use League\OAuth2\Server\Entities\ClientEntityInterface;
use League\OAuth2\Server\Entities\ScopeEntityInterface;
use League\OAuth2\Server\Entities\UserEntityInterface;
use League\OAuth2\Server\Exception\OAuthServerException;
use League\OAuth2\Server\Repositories\AuthCodeRepositoryInterface;
use League\OAuth2\Server\Repositories\RefreshTokenRepositoryInterface;
use League\OAuth2\Server\RequestEvent;
use League\OAuth2\Server\RequestTypes\AuthorizationRequest;
use League\OAuth2\Server\ResponseTypes\RedirectResponse;
use League\OAuth2\Server\ResponseTypes\ResponseTypeInterface;
use Psr\Http\Message\ServerRequestInterface;

class AuthCodeGrant extends AbstractAuthorizeGrant
{
    /**
     * @var \DateInterval
     */
    private $authCodeTTL;

    /**
     * @var CodeChallengeVerifierInterface[]
     */
    private $codeChallengeVerifiers = [];

    /**
     * @param AuthCodeRepositoryInterface     $authCodeRepository
     * @param RefreshTokenRepositoryInterface $refreshTokenRepository
     * @param \DateInterval                   $authCodeTTL
     */
    public function __construct(
        AuthCodeRepositoryInterface $authCodeRepository,
        RefreshTokenRepositoryInterface $refreshTokenRepository,
        \DateInterval $authCodeTTL
    ) {
        $this->setAuthCodeRepository($authCodeRepository);
        $this->setRefreshTokenRepository($refreshTokenRepository);
        $this->authCodeTTL = $authCodeTTL;
        $this->refreshTokenTTL = new \DateInterval('P1M');
    }

    /**
     * Enable a code challenge verifier on the grant.
     *
     * @param CodeChallengeVerifierInterface $codeChallengeVerifier
     */
    public function enableCodeChallengeVerifier(CodeChallengeVerifierInterface $codeChallengeVerifier)
    {
        $this->codeChallengeVerifiers[$codeChallengeVerifier->getMethod()] = $codeChallengeVerifier;
    }

    /**
     * Respond to an access token request.
     *
     * @param ServerRequestInterface $request
     * @param ResponseTypeInterface  $responseType
     * @param \DateInterval          $accessTokenTTL
     *
     * @throws OAuthServerException
     *
     * @return ResponseTypeInterface
     */
    public function respondToAccessTokenRequest(
        ServerRequestInterface $request,
        ResponseTypeInterface $responseType,
        \DateInterval $accessTokenTTL
    ) {
        // Validate request
        $client = $this->validateClient($request);
        $encryptedAuthCode = $this->getRequestParameter('code', $request, null);

        if ($encryptedAuthCode === null) {
            throw OAuthServerException::invalidRequest('code');
        }

        // Validate the authorization code
        try {
            $authCodePayload = json_decode($this->decrypt($encryptedAuthCode));
            if (time() > $authCodePayload->expire_time) {
                throw OAuthServerException::invalidRequest('code', 'Authorization code has expired');
            }

            if ($this->authCodeRepository->isAuthCodeRevoked($authCodePayload->auth_code_id) === true) {
                throw OAuthServerException::invalidRequest('code', 'Authorization code has been revoked');
            }

            if ($authCodePayload->client_id !== $client->getIdentifier()) {
                throw OAuthServerException::invalidRequest('code', 'Authorization code was not issued to this client');
            }

            // The redirect URI is required in this request
            $redirectUri = $this->getRequestParameter('redirect_uri', $request, null);
            if (empty($authCodePayload->redirect_uri) === false && $redirectUri === null) {
                throw OAuthServerException::invalidRequest('redirect_uri');
            }

            if ($authCodePayload->redirect_uri !== $redirectUri) {
                throw OAuthServerException::invalidRequest('redirect_uri', 'Invalid redirect URI');
            }

            $scopes = [];
            foreach ($authCodePayload->scopes as $scopeId) {
                $scope = $this->scopeRepository->getScopeEntityByIdentifier($scopeId);

                if ($scope instanceof ScopeEntityInterface === false) {
                    // @codeCoverageIgnoreStart
                    throw OAuthServerException::invalidScope($scopeId);
                    // @codeCoverageIgnoreEnd
                }

                $scopes[] = $scope;
            }

            // Finalize the requested scopes
            $scopes = $this->scopeRepository->finalizeScopes(
                $scopes,
                $this->getIdentifier(),
                $client,
                $authCodePayload->user_id
            );
        } catch (\LogicException  $e) {
            throw OAuthServerException::invalidRequest('code', 'Cannot decrypt the authorization code');
        }

        // Verify code challenge
        if (empty($this->codeChallengeVerifiers) === false) {
            $codeVerifier = $this->getRequestParameter('code_verifier', $request, null);
            if ($codeVerifier === null) {
                throw OAuthServerException::invalidRequest('code_verifier');
            }

            if (array_key_exists($authCodePayload->code_challenge_method, $this->codeChallengeVerifiers)) {
                if ($this->codeChallengeVerifiers[$authCodePayload->code_challenge_method]->verifyCodeChallenge($codeVerifier, $authCodePayload->code_challenge) === false) {
                    throw OAuthServerException::invalidGrant('Failed to verify `code_verifier`.');
                }
            } else {
                throw OAuthServerException::serverError(
                    sprintf(
                        'Unsupported code challenge method `%s`',
                        $authCodePayload->code_challenge_method
                    )
                );
            }
        }

        // Issue and persist access + refresh tokens
        $accessToken = $this->issueAccessToken($accessTokenTTL, $client, $authCodePayload->user_id, $scopes);
        $refreshToken = $this->issueRefreshToken($accessToken);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}

        // Inject tokens into response type
        $responseType->setAccessToken($accessToken);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
        $responseType->setRefreshToken($refreshToken);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}

        // Revoke used auth code
        $this->authCodeRepository->revokeAuthCode($authCodePayload->auth_code_id);

        return $responseType;
    }

    /**
     * Return the grant identifier that can be used in matching up requests.
     *
     * @return string
     */
    public function getIdentifier()
    {
        return 'authorization_code';
    }

    /**
     * {@inheritdoc}
     */
    public function canRespondToAuthorizationRequest(ServerRequestInterface $request)
    {
        return (
            array_key_exists('response_type', $request->getQueryParams())
            && $request->getQueryParams()['response_type'] === 'code'
            && isset($request->getQueryParams()['client_id'])
        );
    }

    /**
     * {@inheritdoc}
     */
    public function validateAuthorizationRequest(ServerRequestInterface $request)
    {
        $clientId = $this->getQueryStringParameter(
            'client_id',
            $request,
            $this->getServerParameter('PHP_AUTH_USER', $request)
        );
        if (is_null($clientId)) {
            throw OAuthServerException::invalidRequest('client_id');
        }

        $client = $this->clientRepository->getClientEntity(
            $clientId,
            $this->getIdentifier(),
            null,
            false
        );

        if ($client instanceof ClientEntityInterface === false) {
            $this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
            throw OAuthServerException::invalidClient();
        }

        $redirectUri = $this->getQueryStringParameter('redirect_uri', $request);
        if ($redirectUri !== null) {
            if (
                is_string($client->getRedirectUri())
                && (strcmp($client->getRedirectUri(), $redirectUri) !== 0)
            ) {
                $this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
                throw OAuthServerException::invalidClient();
            } elseif (
                is_array($client->getRedirectUri())
                && in_array($redirectUri, $client->getRedirectUri()) === false
            ) {
                $this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
                throw OAuthServerException::invalidClient();
            }
        }

        $scopes = $this->validateScopes(
            $this->getQueryStringParameter('scope', $request),
            is_array($client->getRedirectUri())
                ? $client->getRedirectUri()[0]
                : $client->getRedirectUri()
        );

        $stateParameter = $this->getQueryStringParameter('state', $request);

        $authorizationRequest = new AuthorizationRequest();
        $authorizationRequest->setGrantTypeId($this->getIdentifier());
        $authorizationRequest->setClient($client);
        $authorizationRequest->setRedirectUri($redirectUri);
        $authorizationRequest->setState($stateParameter);
        $authorizationRequest->setScopes($scopes);

        if (empty($this->codeChallengeVerifiers) === false) {
            $codeChallenge = $this->getQueryStringParameter('code_challenge', $request);
            if ($codeChallenge === null) {
                throw OAuthServerException::invalidRequest('code_challenge');
            }

            $codeChallengeMethod = $this->getQueryStringParameter('code_challenge_method', $request, 'plain');
            $enabledCodeChallengeMethods = array_keys($this->codeChallengeVerifiers);
            if (in_array($codeChallengeMethod, $enabledCodeChallengeMethods) === false) {
                throw OAuthServerException::invalidRequest(
                    'code_challenge_method',
                    'Code challenge method must be one of ' . implode(', ', array_map(function ($method) { return '`' . $method . '`'; }, $enabledCodeChallengeMethods))
                );
            }

            $authorizationRequest->setCodeChallenge($codeChallenge);
            $authorizationRequest->setCodeChallengeMethod($codeChallengeMethod);
        }

        return $authorizationRequest;
    }

    /**
     * {@inheritdoc}
     */
    public function completeAuthorizationRequest(AuthorizationRequest $authorizationRequest)
    {
        if ($authorizationRequest->getUser() instanceof UserEntityInterface === false) {
            throw new \LogicException('An instance of UserEntityInterface should be set on the AuthorizationRequest');
        }

        $finalRedirectUri = ($authorizationRequest->getRedirectUri() === null)
            ? is_array($authorizationRequest->getClient()->getRedirectUri())
                ? $authorizationRequest->getClient()->getRedirectUri()[0]
                : $authorizationRequest->getClient()->getRedirectUri()
            : $authorizationRequest->getRedirectUri();

        // The user approved the client, redirect them back with an auth code
        if ($authorizationRequest->isAuthorizationApproved() === true) {
            $authCode = $this->issueAuthCode(
                $this->authCodeTTL,
                $authorizationRequest->getClient(),
                $authorizationRequest->getUser()->getIdentifier(),
                $authorizationRequest->getRedirectUri(),
                $authorizationRequest->getScopes()
            );

            $response = new RedirectResponse();
            $response->setRedirectUri(
                $this->makeRedirectUri(
                    $finalRedirectUri,
                    [
                        'code'  => $this->encrypt(
                            json_encode(
                                [
                                    'client_id'               => $authCode->getClient()->getIdentifier(),
                                    'redirect_uri'            => $authCode->getRedirectUri(),
                                    'auth_code_id'            => $authCode->getIdentifier(),
                                    'scopes'                  => $authCode->getScopes(),
                                    'user_id'                 => $authCode->getUserIdentifier(),
                                    'expire_time'             => (new \DateTime())->add($this->authCodeTTL)->format('U'),
                                    'code_challenge'          => $authorizationRequest->getCodeChallenge(),
                                    'code_challenge_method  ' => $authorizationRequest->getCodeChallengeMethod(),
                                ]
                            )
                        ),
                        'state' => $authorizationRequest->getState(),
                    ]
                )
            );

            return $response;
        }

        // The user denied the client, redirect them back with an error
        throw OAuthServerException::accessDenied(
            'The user denied the request',
            $this->makeRedirectUri(
                $finalRedirectUri,
                [
                    'state' => $authorizationRequest->getState(),
                ]
            )
        );
    }
}


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\Grant;
11
12			use League\OAuth2\Server\CodeChallengeVerifiers\CodeChallengeVerifierInterface;
13			use League\OAuth2\Server\Entities\ClientEntityInterface;
14			use League\OAuth2\Server\Entities\ScopeEntityInterface;
15			use League\OAuth2\Server\Entities\UserEntityInterface;
16			use League\OAuth2\Server\Exception\OAuthServerException;
17			use League\OAuth2\Server\Repositories\AuthCodeRepositoryInterface;
18			use League\OAuth2\Server\Repositories\RefreshTokenRepositoryInterface;
19			use League\OAuth2\Server\RequestEvent;
20			use League\OAuth2\Server\RequestTypes\AuthorizationRequest;
21			use League\OAuth2\Server\ResponseTypes\RedirectResponse;
22			use League\OAuth2\Server\ResponseTypes\ResponseTypeInterface;
23			use Psr\Http\Message\ServerRequestInterface;
24
25			class AuthCodeGrant extends AbstractAuthorizeGrant
26			{
27			/**
28			* @var \DateInterval
29			*/
30			private $authCodeTTL;
31
32			/**
33			* @var CodeChallengeVerifierInterface[]
34			*/
35			private $codeChallengeVerifiers = [];
36
37			/**
38			* @param AuthCodeRepositoryInterface $authCodeRepository
39			* @param RefreshTokenRepositoryInterface $refreshTokenRepository
40			* @param \DateInterval $authCodeTTL
41			*/
42			public function __construct(
43			AuthCodeRepositoryInterface $authCodeRepository,
44			RefreshTokenRepositoryInterface $refreshTokenRepository,
45			\DateInterval $authCodeTTL
46			) {
47			$this->setAuthCodeRepository($authCodeRepository);
48			$this->setRefreshTokenRepository($refreshTokenRepository);
49			$this->authCodeTTL = $authCodeTTL;
50			$this->refreshTokenTTL = new \DateInterval('P1M');
51			}
52
53			/**
54			* Enable a code challenge verifier on the grant.
55			*
56			* @param CodeChallengeVerifierInterface $codeChallengeVerifier
57			*/
58			public function enableCodeChallengeVerifier(CodeChallengeVerifierInterface $codeChallengeVerifier)
59			{
60			$this->codeChallengeVerifiers[$codeChallengeVerifier->getMethod()] = $codeChallengeVerifier;
61			}
62
63			/**
64			* Respond to an access token request.
65			*
66			* @param ServerRequestInterface $request
67			* @param ResponseTypeInterface $responseType
68			* @param \DateInterval $accessTokenTTL
69			*
70			* @throws OAuthServerException
71			*
72			* @return ResponseTypeInterface
73			*/
74			public function respondToAccessTokenRequest(
75			ServerRequestInterface $request,
76			ResponseTypeInterface $responseType,
77			\DateInterval $accessTokenTTL
78			) {
79			// Validate request
80			$client = $this->validateClient($request);
81			$encryptedAuthCode = $this->getRequestParameter('code', $request, null);
82
83			if ($encryptedAuthCode === null) {
84			throw OAuthServerException::invalidRequest('code');
85			}
86
87			// Validate the authorization code
88			try {
89			$authCodePayload = json_decode($this->decrypt($encryptedAuthCode));
90			if (time() > $authCodePayload->expire_time) {
91			throw OAuthServerException::invalidRequest('code', 'Authorization code has expired');
92			}
93
94			if ($this->authCodeRepository->isAuthCodeRevoked($authCodePayload->auth_code_id) === true) {
95			throw OAuthServerException::invalidRequest('code', 'Authorization code has been revoked');
96			}
97
98			if ($authCodePayload->client_id !== $client->getIdentifier()) {
99			throw OAuthServerException::invalidRequest('code', 'Authorization code was not issued to this client');
100			}
101
102			// The redirect URI is required in this request
103			$redirectUri = $this->getRequestParameter('redirect_uri', $request, null);
104			if (empty($authCodePayload->redirect_uri) === false && $redirectUri === null) {
105			throw OAuthServerException::invalidRequest('redirect_uri');
106			}
107
108			if ($authCodePayload->redirect_uri !== $redirectUri) {
109			throw OAuthServerException::invalidRequest('redirect_uri', 'Invalid redirect URI');
110			}
111
112			$scopes = [];
113			foreach ($authCodePayload->scopes as $scopeId) {
114			$scope = $this->scopeRepository->getScopeEntityByIdentifier($scopeId);
115
116			if ($scope instanceof ScopeEntityInterface === false) {
117			// @codeCoverageIgnoreStart
118			throw OAuthServerException::invalidScope($scopeId);
119			// @codeCoverageIgnoreEnd
120			}
121
122			$scopes[] = $scope;
123			}
124
125			// Finalize the requested scopes
126			$scopes = $this->scopeRepository->finalizeScopes(
127			$scopes,
128			$this->getIdentifier(),
129			$client,
130			$authCodePayload->user_id
131			);
132			} catch (\LogicException $e) {
133			throw OAuthServerException::invalidRequest('code', 'Cannot decrypt the authorization code');
134			}
135
136			// Verify code challenge
137			if (empty($this->codeChallengeVerifiers) === false) {
138			$codeVerifier = $this->getRequestParameter('code_verifier', $request, null);
139			if ($codeVerifier === null) {
140			throw OAuthServerException::invalidRequest('code_verifier');
141			}
142
143			if (array_key_exists($authCodePayload->code_challenge_method, $this->codeChallengeVerifiers)) {
144			if ($this->codeChallengeVerifiers[$authCodePayload->code_challenge_method]->verifyCodeChallenge($codeVerifier, $authCodePayload->code_challenge) === false) {
145			throw OAuthServerException::invalidGrant('Failed to verify `code_verifier`.');
146			}
147			} else {
148			throw OAuthServerException::serverError(
149			sprintf(
150			'Unsupported code challenge method `%s`',
151			$authCodePayload->code_challenge_method
152			)
153			);
154			}
155			}
156
157			// Issue and persist access + refresh tokens
158			$accessToken = $this->issueAccessToken($accessTokenTTL, $client, $authCodePayload->user_id, $scopes);
159			$refreshToken = $this->issueRefreshToken($accessToken);
			0 ignored issues – show Bug introduced 2016-06-17 09:35 UTC by Report Bug Copy Issue Report It seems like `$accessToken` defined by `$this->issueAccessToken(...load->user_id, $scopes)` on line `158` can be `null`; however, `League\OAuth2\Server\Gra...nt::issueRefreshToken()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
160
161			// Inject tokens into response type
162			$responseType->setAccessToken($accessToken);
			0 ignored issues – show Bug introduced 2016-06-17 09:35 UTC by Report Bug Copy Issue Report It seems like `$accessToken` defined by `$this->issueAccessToken(...load->user_id, $scopes)` on line `158` can be `null`; however, `League\OAuth2\Server\Res...rface::setAccessToken()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
163			$responseType->setRefreshToken($refreshToken);
			0 ignored issues – show Bug introduced 2016-06-19 22:10 UTC by Report Bug Copy Issue Report It seems like `$refreshToken` defined by `$this->issueRefreshToken($accessToken)` on line `159` can be `null`; however, `League\OAuth2\Server\Res...face::setRefreshToken()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
164
165			// Revoke used auth code
166			$this->authCodeRepository->revokeAuthCode($authCodePayload->auth_code_id);
167
168			return $responseType;
169			}
170
171			/**
172			* Return the grant identifier that can be used in matching up requests.
173			*
174			* @return string
175			*/
176			public function getIdentifier()
177			{
178			return 'authorization_code';
179			}
180
181			/**
182			* {@inheritdoc}
183			*/
184			public function canRespondToAuthorizationRequest(ServerRequestInterface $request)
185			{
186			return (
187			array_key_exists('response_type', $request->getQueryParams())
188			&& $request->getQueryParams()['response_type'] === 'code'
189			&& isset($request->getQueryParams()['client_id'])
190			);
191			}
192
193			/**
194			* {@inheritdoc}
195			*/
196			public function validateAuthorizationRequest(ServerRequestInterface $request)
197			{
198			$clientId = $this->getQueryStringParameter(
199			'client_id',
200			$request,
201			$this->getServerParameter('PHP_AUTH_USER', $request)
202			);
203			if (is_null($clientId)) {
204			throw OAuthServerException::invalidRequest('client_id');
205			}
206
207			$client = $this->clientRepository->getClientEntity(
208			$clientId,
209			$this->getIdentifier(),
210			null,
211			false
212			);
213
214			if ($client instanceof ClientEntityInterface === false) {
215			$this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
216			throw OAuthServerException::invalidClient();
217			}
218
219			$redirectUri = $this->getQueryStringParameter('redirect_uri', $request);
220			if ($redirectUri !== null) {
221			if (
222			is_string($client->getRedirectUri())
223			&& (strcmp($client->getRedirectUri(), $redirectUri) !== 0)
224			) {
225			$this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
226			throw OAuthServerException::invalidClient();
227			} elseif (
228			is_array($client->getRedirectUri())
229			&& in_array($redirectUri, $client->getRedirectUri()) === false
230			) {
231			$this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
232			throw OAuthServerException::invalidClient();
233			}
234			}
235
236			$scopes = $this->validateScopes(
237			$this->getQueryStringParameter('scope', $request),
238			is_array($client->getRedirectUri())
239			? $client->getRedirectUri()[0]
240			: $client->getRedirectUri()
241			);
242
243			$stateParameter = $this->getQueryStringParameter('state', $request);
244
245			$authorizationRequest = new AuthorizationRequest();
246			$authorizationRequest->setGrantTypeId($this->getIdentifier());
247			$authorizationRequest->setClient($client);
248			$authorizationRequest->setRedirectUri($redirectUri);
249			$authorizationRequest->setState($stateParameter);
250			$authorizationRequest->setScopes($scopes);
251
252			if (empty($this->codeChallengeVerifiers) === false) {
253			$codeChallenge = $this->getQueryStringParameter('code_challenge', $request);
254			if ($codeChallenge === null) {
255			throw OAuthServerException::invalidRequest('code_challenge');
256			}
257
258			$codeChallengeMethod = $this->getQueryStringParameter('code_challenge_method', $request, 'plain');
259			$enabledCodeChallengeMethods = array_keys($this->codeChallengeVerifiers);
260			if (in_array($codeChallengeMethod, $enabledCodeChallengeMethods) === false) {
261			throw OAuthServerException::invalidRequest(
262			'code_challenge_method',
263			'Code challenge method must be one of ' . implode(', ', array_map(function ($method) { return '`' . $method . '`'; }, $enabledCodeChallengeMethods))
264			);
265			}
266
267			$authorizationRequest->setCodeChallenge($codeChallenge);
268			$authorizationRequest->setCodeChallengeMethod($codeChallengeMethod);
269			}
270
271			return $authorizationRequest;
272			}
273
274			/**
275			* {@inheritdoc}
276			*/
277			public function completeAuthorizationRequest(AuthorizationRequest $authorizationRequest)
278			{
279			if ($authorizationRequest->getUser() instanceof UserEntityInterface === false) {
280			throw new \LogicException('An instance of UserEntityInterface should be set on the AuthorizationRequest');
281			}
282
283			$finalRedirectUri = ($authorizationRequest->getRedirectUri() === null)
284			? is_array($authorizationRequest->getClient()->getRedirectUri())
285			? $authorizationRequest->getClient()->getRedirectUri()[0]
286			: $authorizationRequest->getClient()->getRedirectUri()
287			: $authorizationRequest->getRedirectUri();
288
289			// The user approved the client, redirect them back with an auth code
290			if ($authorizationRequest->isAuthorizationApproved() === true) {
291			$authCode = $this->issueAuthCode(
292			$this->authCodeTTL,
293			$authorizationRequest->getClient(),
294			$authorizationRequest->getUser()->getIdentifier(),
295			$authorizationRequest->getRedirectUri(),
296			$authorizationRequest->getScopes()
297			);
298
299			$response = new RedirectResponse();
300			$response->setRedirectUri(
301			$this->makeRedirectUri(
302			$finalRedirectUri,
303			[
304			'code' => $this->encrypt(
305			json_encode(
306			[
307			'client_id' => $authCode->getClient()->getIdentifier(),
308			'redirect_uri' => $authCode->getRedirectUri(),
309			'auth_code_id' => $authCode->getIdentifier(),
310			'scopes' => $authCode->getScopes(),
311			'user_id' => $authCode->getUserIdentifier(),
312			'expire_time' => (new \DateTime())->add($this->authCodeTTL)->format('U'),
313			'code_challenge' => $authorizationRequest->getCodeChallenge(),
314			'code_challenge_method ' => $authorizationRequest->getCodeChallengeMethod(),
315			]
316			)
317			),
318			'state' => $authorizationRequest->getState(),
319			]
320			)
321			);
322
323			return $response;
324			}
325
326			// The user denied the client, redirect them back with an error
327			throw OAuthServerException::accessDenied(
328			'The user denied the request',
329			$this->makeRedirectUri(
330			$finalRedirectUri,
331			[
332			'state' => $authorizationRequest->getState(),
333			]
334			)
335			);
336			}
337			}
338

thephpleague / oauth2-server

Pull Request — master (#648)

AuthCodeGrant::enableCodeExchangeProof() A

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