forked from openemr/openemr
-
Notifications
You must be signed in to change notification settings - Fork 0
/
AuthorizationController.php
1717 lines (1580 loc) · 76.1 KB
/
AuthorizationController.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
/**
* Authorization Server Member
*
* @package OpenEMR
* @link http://www.open-emr.org
* @author Jerry Padgett <[email protected]>
* @author Brady Miller <[email protected]>
* @copyright Copyright (c) 2020 Jerry Padgett <[email protected]>
* @copyright Copyright (c) 2020 Brady Miller <[email protected]>
* @license https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
*/
namespace OpenEMR\RestControllers;
require_once(__DIR__ . "/../Common/Session/SessionUtil.php");
use DateInterval;
use DateTimeImmutable;
use Exception;
use Google\Service\CloudHealthcare\FhirConfig;
use GuzzleHttp\Client;
use Lcobucci\JWT\Parser;
use Lcobucci\JWT\Signer\Rsa\Sha256;
use Lcobucci\JWT\ValidationData;
use League\OAuth2\Server\AuthorizationServer;
use League\OAuth2\Server\CryptKey;
use League\OAuth2\Server\CryptTrait;
use League\OAuth2\Server\Entities\ScopeEntityInterface;
use League\OAuth2\Server\Exception\OAuthServerException;
use League\OAuth2\Server\Grant\AuthCodeGrant;
use League\OAuth2\Server\Grant\ClientCredentialsGrant;
use League\OAuth2\Server\RequestTypes\AuthorizationRequest;
use Nyholm\Psr7Server\ServerRequestCreator;
use OpenEMR\Common\Auth\AuthUtils;
use OpenEMR\Common\Auth\MfaUtils;
use OpenEMR\Common\Auth\OAuth2KeyConfig;
use OpenEMR\Common\Auth\OAuth2KeyException;
use OpenEMR\Common\Auth\OpenIDConnect\Entities\ClientEntity;
use OpenEMR\Common\Auth\OpenIDConnect\Entities\ScopeEntity;
use OpenEMR\Common\Auth\OpenIDConnect\Entities\UserEntity;
use OpenEMR\Common\Auth\OpenIDConnect\Grant\CustomAuthCodeGrant;
use OpenEMR\Common\Auth\OpenIDConnect\Grant\CustomClientCredentialsGrant;
use OpenEMR\Common\Auth\OpenIDConnect\Grant\CustomPasswordGrant;
use OpenEMR\Common\Auth\OpenIDConnect\Grant\CustomRefreshTokenGrant;
use OpenEMR\Common\Auth\OpenIDConnect\IdTokenSMARTResponse;
use OpenEMR\Common\Auth\OpenIDConnect\JWT\JsonWebKeyParser;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\AccessTokenRepository;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\AuthCodeRepository;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\ClientRepository;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\IdentityRepository;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\RefreshTokenRepository;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\ScopeRepository;
use OpenEMR\Common\Auth\OpenIDConnect\Repositories\UserRepository;
use OpenEMR\Common\Auth\UuidUserAccount;
use OpenEMR\Common\Crypto\CryptoGen;
use OpenEMR\Common\Csrf\CsrfUtils;
use OpenEMR\Common\Database\QueryUtils;
use OpenEMR\Common\Http\Psr17Factory;
use OpenEMR\Common\Logging\SystemLogger;
use OpenEMR\Common\Session\SessionUtil;
use OpenEMR\Common\Twig\TwigContainer;
use OpenEMR\Common\Utils\HttpUtils;
use OpenEMR\Common\Utils\RandomGenUtils;
use OpenEMR\Common\Uuid\UuidRegistry;
use OpenEMR\Events\Core\TemplatePageEvent;
use OpenEMR\FHIR\Config\ServerConfig;
use OpenEMR\FHIR\SMART\ExternalClinicalDecisionSupport\PredictiveDSIServiceEntity;
use OpenEMR\FHIR\SMART\SmartLaunchController;
use OpenEMR\FHIR\SMART\SMARTLaunchToken;
use OpenEMR\RestControllers\SMART\SMARTAuthorizationController;
use OpenEMR\Services\BaseService;
use OpenEMR\Services\DecisionSupportInterventionService;
use OpenEMR\Services\TrustedUserService;
use OpenEMR\Services\UserService;
use OpenIDConnectServer\ClaimExtractor;
use OpenIDConnectServer\Entities\ClaimSetEntity;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Log\LoggerInterface;
use RestConfig;
use RuntimeException;
use Twig\Environment;
class AuthorizationController
{
use CryptTrait;
public const ENDPOINT_SCOPE_AUTHORIZE_CONFIRM = "/scope-authorize-confirm";
public const GRANT_TYPE_PASSWORD = 'password';
public const GRANT_TYPE_CLIENT_CREDENTIALS = 'client_credentials';
public const OFFLINE_ACCESS_SCOPE = 'offline_access';
// https://hl7.org/fhir/uv/bulkdata/authorization/index.html#issuing-access-tokens Spec states 5 min max
public const GRANT_TYPE_ACCESS_CODE_TTL = "PT300S"; // 5 minutes
public $authBaseUrl;
public $authBaseFullUrl;
public $siteId;
private $privateKey;
private $passphrase;
private $publicKey;
private $oaEncryptionKey;
private $grantType;
private $providerForm;
private $authRequestSerial;
private $cryptoGen;
private $userId;
/**
* @var SMARTAuthorizationController
*/
private $smartAuthController;
/**
* @var LoggerInterface
*/
private $logger;
/**
* Handles CRUD operations for OAUTH2 Trusted Users
* @var TrustedUserService
*/
private $trustedUserService;
/**
* @var RestConfig
*/
private $restConfig;
/**
* @var Environment
*/
private $twig;
/**
* @var DecisionSupportInterventionService
*/
private ?DecisionSupportInterventionService $dsiService;
public function __construct($providerForm = true)
{
if (is_callable([RestConfig::class, 'GetInstance'])) {
$gbl = RestConfig::GetInstance();
} else {
$gbl = \RestConfig::GetInstance();
}
$this->restConfig = $gbl;
$this->logger = new SystemLogger();
$this->siteId = $_SESSION['site_id'] ?? $gbl::$SITE;
$this->authBaseUrl = $GLOBALS['webroot'] . '/oauth2/' . $this->siteId;
$this->authBaseFullUrl = self::getAuthBaseFullURL();
// used for session stash
$this->authRequestSerial = $_SESSION['authRequestSerial'] ?? '';
// Create a crypto object that will be used for for encryption/decryption
$this->cryptoGen = new CryptoGen();
// verify and/or setup our key pairs.
$this->configKeyPairs();
// true will display client/user server sign in. false, not.
$this->providerForm = $providerForm;
$this->trustedUserService = new TrustedUserService();
}
private function getSmartAuthController(): SMARTAuthorizationController
{
if (!isset($this->smartAuthController)) {
$this->smartAuthController = new SMARTAuthorizationController(
$this->logger,
$this->authBaseFullUrl,
$this->authBaseFullUrl . self::ENDPOINT_SCOPE_AUTHORIZE_CONFIRM,
__DIR__ . "/../../oauth2/",
$this->getTwig(),
$GLOBALS['kernel']->getEventDispatcher()
);
}
return $this->smartAuthController;
}
private function getTwig(): Environment
{
if (!isset($this->twig)) {
$twigContainer = new TwigContainer(__DIR__ . "/../../oauth2/", $GLOBALS['kernel']);
$this->twig = $twigContainer->getTwig();
}
return $this->twig;
}
private function configKeyPairs(): void
{
$response = $this->createServerResponse();
try {
$oauth2KeyConfig = new OAuth2KeyConfig($GLOBALS['OE_SITE_DIR']);
$oauth2KeyConfig->configKeyPairs();
$this->privateKey = $oauth2KeyConfig->getPrivateKeyLocation();
$this->publicKey = $oauth2KeyConfig->getPublicKeyLocation();
$this->oaEncryptionKey = $oauth2KeyConfig->getEncryptionKey();
$this->passphrase = $oauth2KeyConfig->getPassPhrase();
} catch (OAuth2KeyException $exception) {
$this->logger->error("OpenEMR error - " . $exception->getMessage() . ", so forced exit");
$serverException = OAuthServerException::serverError(
"Security error - problem with authorization server keys.",
$exception
);
SessionUtil::oauthSessionCookieDestroy();
$this->emitResponse($serverException->generateHttpResponse($response));
exit;
}
}
public function clientRegistration(): void
{
$response = $this->createServerResponse();
$request = $this->createServerRequest();
$headers = array();
try {
$request_headers = $request->getHeaders();
foreach ($request_headers as $header => $value) {
$headers[strtolower($header)] = $value[0];
}
if (!$headers['content-type'] || strpos($headers['content-type'], 'application/json') !== 0) {
throw new OAuthServerException('Unexpected content type', 0, 'invalid_client_metadata');
}
$json = file_get_contents('php://input');
if (!$json) {
throw new OAuthServerException('No JSON body', 0, 'invalid_client_metadata');
}
$data = json_decode($json, true);
if (!$data) {
throw new OAuthServerException('Invalid JSON', 0, 'invalid_client_metadata');
}
// many of these are optional and are here if we want to implement
$keys = array('contacts' => null,
'application_type' => null,
'client_name' => null,
'logo_uri' => null,
'redirect_uris' => null,
'post_logout_redirect_uris' => null,
'token_endpoint_auth_method' => array('client_secret_basic', 'client_secret_post'),
'policy_uri' => null,
'tos_uri' => null,
'jwks_uri' => null,
'jwks' => null,
'sector_identifier_uri' => null,
'subject_type' => array('pairwise', 'public'),
'default_max_age' => null,
'require_auth_time' => null,
'default_acr_values' => null,
'initiate_login_uri' => null, // for anything with a SMART 'launch/ehr' context we need to know how to initiate the login
'request_uris' => null,
'response_types' => null,
'grant_types' => null,
// info on scope can be seen at
// OAUTH2 Dynamic Client Registration RFC 7591 Section 2 Page 9
// @see https://tools.ietf.org/html/rfc7591#section-2
'scope' => null,
// additional meta attributes can be added here
'dsi_type' => array_values(DecisionSupportInterventionService::DSI_TYPES),
'dsi_source_attributes' => [] // do we care to report errors on source attributes for the values we support? they won't save if we don't have it in the system
);
$clientRepository = new ClientRepository();
$client_id = $clientRepository->generateClientId();
$reg_token = $clientRepository->generateRegistrationAccessToken();
$reg_client_uri_path = $clientRepository->generateRegistrationClientUriPath();
$params = array(
'client_id' => $client_id,
'client_id_issued_at' => time(),
'registration_access_token' => $reg_token,
'registration_client_uri_path' => $reg_client_uri_path
);
$params['client_role'] = 'patient';
// only include secret if a confidential app else force PKCE for native and web apps.
$client_secret = '';
if ($data['application_type'] === 'private') {
$client_secret = $clientRepository->generateClientSecret();
$params['client_secret'] = $client_secret;
$params['client_role'] = 'user';
// don't allow system scopes without a jwk or jwks_uri value
if (
strpos($data['scope'], 'system/') !== false
&& empty($data['jwks']) && empty($data['jwks_uri'])
) {
throw new OAuthServerException('jwks is invalid', 0, 'invalid_client_metadata');
}
// don't allow user, system scopes, and offline_access for public apps
} elseif (
strpos($data['scope'], 'system/') !== false
|| strpos($data['scope'], 'user/') !== false
) {
throw new OAuthServerException("system and user scopes are only allowed for confidential clients", 0, 'invalid_client_metadata');
}
$this->validateScopesAgainstServerApprovedScopes($data['scope']);
foreach ($keys as $key => $supported_values) {
if (isset($data[$key])) {
if (in_array($key, array('contacts', 'redirect_uris', 'request_uris', 'post_logout_redirect_uris', 'grant_types', 'response_types', 'default_acr_values'))) {
$params[$key] = implode('|', $data[$key]);
} elseif ($key === 'jwks') {
$params[$key] = json_encode($data[$key]);
} else {
$params[$key] = $data[$key];
}
if (!empty($supported_values)) {
if (!in_array($params[$key], $supported_values)) {
throw new OAuthServerException("Unsupported $key value : $params[$key]", 0, 'invalid_client_metadata');
}
}
}
}
if (!isset($data['redirect_uris'])) {
throw new OAuthServerException('redirect_uris is invalid', 0, 'invalid_redirect_uri');
}
if (isset($data['post_logout_redirect_uris']) && empty($data['post_logout_redirect_uris'])) {
throw new OAuthServerException('post_logout_redirect_uris is invalid', 0, 'invalid_client_metadata');
}
// save to oauth client table
$clientSaved = false;
try {
$this->startTransaction();
$dsiService = $this->getDecisionSupportInterventionService();
// default is none
$dsiTypeName = $params['dsi_type'] ?? DecisionSupportInterventionService::DSI_TYPES[ClientEntity::DSI_TYPE_NONE];
$params['dsi_type'] = $dsiService->getDsiTypeForStringName($dsiTypeName);
$dsiSourceAttributes = $data['dsi_source_attributes'] ?? [];
$clientRepository->insertNewClient($client_id, $params, $this->siteId);
if ($params['dsi_type'] !== ClientEntity::DSI_TYPE_NONE) {
$this->createDecisionSupportInterventionServiceForType($client_id, $params['client_name'], $params['dsi_type'], $dsiSourceAttributes);
}
// set it back to the string name for the response
$params['dsi_type'] = $dsiTypeName;
$clientSaved = true;
} catch (\Exception $exception) {
throw OAuthServerException::serverError("Try again. Unable to create account", $exception);
} finally {
if ($clientSaved) {
$this->commitTransaction();
} else {
try {
$this->rollbackTransaction();
} catch (\Exception $exception) {
$this->logger->errorLogCaller("Error rolling back transaction", ['trace' => $exception->getMessage()]);
}
}
}
$reg_uri = $this->authBaseFullUrl . '/client/' . $reg_client_uri_path;
unset($params['registration_client_uri_path']);
$client_json = array(
'client_id' => $client_id,
'client_secret' => $client_secret,
'registration_access_token' => $reg_token,
'registration_client_uri' => $reg_uri,
'client_id_issued_at' => time(),
'client_secret_expires_at' => 0
);
$array_params = array('contacts', 'redirect_uris', 'request_uris', 'post_logout_redirect_uris', 'response_types', 'grant_types', 'default_acr_values');
foreach ($array_params as $aparam) {
if (isset($params[$aparam])) {
$params[$aparam] = explode('|', $params[$aparam]);
}
}
if (!empty($params['jwks'])) {
$params['jwks'] = json_decode($params['jwks'], true);
}
if (isset($params['require_auth_time'])) {
$params['require_auth_time'] = ($params['require_auth_time'] === 1);
}
// send response
$response->withHeader("Cache-Control", "no-store");
$response->withHeader("Pragma", "no-cache");
$response->withHeader('Content-Type', 'application/json');
$body = $response->getBody();
$body->write(json_encode(array_merge($client_json, $params)));
SessionUtil::oauthSessionCookieDestroy();
$this->emitResponse($response->withStatus(200)->withBody($body));
} catch (OAuthServerException $exception) {
SessionUtil::oauthSessionCookieDestroy();
$this->emitResponse($exception->generateHttpResponse($response));
}
}
/**
* Verifies that the scope string only has approved scopes for the system.
* @param $scopeString the space separated scope string
*/
private function validateScopesAgainstServerApprovedScopes($scopeString)
{
$requestScopes = explode(" ", $scopeString);
if (empty($requestScopes)) {
return;
}
$scopeRepo = new ScopeRepository($this->restConfig);
$scopeRepo->setRequestScopes($scopeString);
foreach ($requestScopes as $scope) {
$validScope = $scopeRepo->getScopeEntityByIdentifier($scope);
if (empty($validScope)) {
throw OAuthServerException::invalidScope($scope);
}
}
}
private function createServerResponse(): ResponseInterface
{
return (new Psr17Factory())->createResponse();
}
private function createServerRequest(): ServerRequestInterface
{
$psr17Factory = new Psr17Factory();
return (new ServerRequestCreator(
$psr17Factory, // ServerRequestFactory
$psr17Factory, // UriFactory
$psr17Factory, // UploadedFileFactory
$psr17Factory // StreamFactory
))->fromGlobals();
}
public function base64url_encode($data): string
{
return HttpUtils::base64url_encode($data);
}
public function base64url_decode($token)
{
$b64 = strtr($token, '-_', '+/');
return base64_decode($b64);
}
public function emitResponse($response): void
{
if (headers_sent()) {
throw new RuntimeException('Headers already sent.');
}
$statusLine = sprintf(
'HTTP/%s %s %s',
$response->getProtocolVersion(),
$response->getStatusCode(),
$response->getReasonPhrase()
);
header($statusLine, true);
foreach ($response->getHeaders() as $name => $values) {
$responseHeader = sprintf('%s: %s', $name, $response->getHeaderLine($name));
header($responseHeader, false);
}
// send it along.
echo $response->getBody();
}
public function clientRegisteredDetails(): void
{
$response = $this->createServerResponse();
try {
$token = $_REQUEST['access_token'];
if (!$token) {
$token = $this->getBearerToken();
if (!$token) {
throw new OAuthServerException('No Access Code', 0, 'invalid_request', 403);
}
}
$pos = strpos($_SERVER['PATH_INFO'], '/client/');
if ($pos === false) {
throw new OAuthServerException('Invalid path', 0, 'invalid_request', 403);
}
$uri_path = substr($_SERVER['PATH_INFO'], $pos + 8);
$client = sqlQuery("SELECT * FROM `oauth_clients` WHERE `registration_uri_path` = ?", array($uri_path));
if (!$client) {
throw new OAuthServerException('Invalid client', 0, 'invalid_request', 403);
}
if ($client['registration_access_token'] !== $token) {
throw new OAuthServerException('Invalid registration token', 0, 'invalid _request', 403);
}
$params['client_id'] = $client['client_id'];
$params['client_secret'] = $this->cryptoGen->decryptStandard($client['client_secret']);
$params['contacts'] = explode('|', $client['contacts']);
$params['application_type'] = $client['client_role'];
$params['client_name'] = $client['client_name'];
$params['redirect_uris'] = explode('|', $client['redirect_uri']);
// need to grab dsi information
$this->addDSIInformation($params, $client);
$response->withHeader("Cache-Control", "no-store");
$response->withHeader("Pragma", "no-cache");
$response->withHeader('Content-Type', 'application/json');
$body = $response->getBody();
$body->write(json_encode($params));
SessionUtil::oauthSessionCookieDestroy();
$this->emitResponse($response->withStatus(200)->withBody($body));
} catch (OAuthServerException $exception) {
SessionUtil::oauthSessionCookieDestroy();
$this->emitResponse($exception->generateHttpResponse($response));
}
}
public function getBearerToken(): string
{
$request = $this->createServerRequest();
$request_headers = $request->getHeaders();
$headers = [];
foreach ($request_headers as $header => $value) {
$headers[strtolower($header)] = $value[0];
}
$authorization = $headers['authorization'];
if ($authorization) {
$pieces = explode(' ', $authorization);
if (strcasecmp($pieces[0], 'bearer') !== 0) {
return "";
}
return rtrim($pieces[1]);
}
return "";
}
public function oauthAuthorizationFlow(): void
{
$this->logger->debug("AuthorizationController->oauthAuthorizationFlow() starting authorization flow");
$response = $this->createServerResponse();
$request = $this->createServerRequest();
if ($nonce = $request->getQueryParams()['nonce'] ?? null) {
$_SESSION['nonce'] = $request->getQueryParams()['nonce'];
}
$this->logger->debug("AuthorizationController->oauthAuthorizationFlow() request query params ", ["queryParams" => $request->getQueryParams()]);
$this->grantType = 'authorization_code';
$server = $this->getAuthorizationServer();
try {
// Validate the HTTP request and return an AuthorizationRequest object.
$this->logger->debug("AuthorizationController->oauthAuthorizationFlow() attempting to validate auth request");
$authRequest = $server->validateAuthorizationRequest($request);
$this->logger->debug("AuthorizationController->oauthAuthorizationFlow() auth request validated, csrf,scopes,client_id setup");
$_SESSION['csrf'] = $authRequest->getState();
$_SESSION['scopes'] = $request->getQueryParams()['scope'];
$_SESSION['client_id'] = $request->getQueryParams()['client_id'];
$_SESSION['client_role'] = $authRequest->getClient()->getClientRole();
$_SESSION['launch'] = $request->getQueryParams()['launch'] ?? null;
$_SESSION['redirect_uri'] = $authRequest->getRedirectUri() ?? null;
$this->logger->debug("AuthorizationController->oauthAuthorizationFlow() session updated", ['session' => $_SESSION]);
if (!empty($_SESSION['launch']) && $this->shouldSkipAuthorizationFlow($authRequest)) {
$this->processAuthorizeFlowForLaunch($authRequest, $request, $response);
}
// If needed, serialize into a users session
if ($this->providerForm) {
$this->serializeUserSession($authRequest, $request);
$this->logger->debug("AuthorizationController->oauthAuthorizationFlow() redirecting to provider form");
// call our login then login calls authorize if approved by user
header("Location: " . $this->authBaseUrl . "/provider/login", true, 301);
exit;
}
} catch (OAuthServerException $exception) {
$this->logger->error(
"AuthorizationController->oauthAuthorizationFlow() OAuthServerException",
["hint" => $exception->getHint(), "message" => $exception->getMessage()
, 'payload' => $exception->getPayload()
, 'trace' => $exception->getTraceAsString()
, 'redirectUri' => $exception->getRedirectUri()
, 'errorType' => $exception->getErrorType()]
);
SessionUtil::oauthSessionCookieDestroy();
$this->emitResponse($exception->generateHttpResponse($response));
} catch (Exception $exception) {
$this->logger->error("AuthorizationController->oauthAuthorizationFlow() Exception message: " . $exception->getMessage());
SessionUtil::oauthSessionCookieDestroy();
$body = $response->getBody();
$body->write($exception->getMessage());
$this->emitResponse($response->withStatus(500)->withBody($body));
}
}
/**
* Retrieve the authorization server with all of the grants configured
* TODO: @adunsulag is there a better way to handle skipping the refresh token on the authorization grant?
* Due to the way the server is created and the fact we have to skip the refresh token when an offline_scope is passed
* for authorization_grant/password_grant. We ignore offline_scope for custom_credentials
* @param bool $includeAuthGrantRefreshToken Whether the authorization server should issue a refresh token for an authorization grant.
* @return AuthorizationServer
* @throws Exception
*/
public function getAuthorizationServer($includeAuthGrantRefreshToken = true): AuthorizationServer
{
$protectedClaims = ['profile', 'email', 'address', 'phone'];
$scopeRepository = new ScopeRepository($this->restConfig);
$claims = $scopeRepository->getSupportedClaims();
$customClaim = [];
foreach ($claims as $claim) {
if (in_array($claim, $protectedClaims, true)) {
continue;
}
$customClaim[] = new ClaimSetEntity($claim, [$claim]);
}
if (!empty($_SESSION['nonce'])) {
// nonce scope added later. this is for id token nonce claim.
$customClaim[] = new ClaimSetEntity('nonce', ['nonce']);
}
// OpenID Connect Response Type
$this->logger->debug("AuthorizationController->getAuthorizationServer() creating server");
$responseType = new IdTokenSMARTResponse(new IdentityRepository(), new ClaimExtractor($customClaim), $this->getTwig());
if (empty($this->grantType)) {
$this->grantType = 'authorization_code';
}
// responseType is cloned inside the league auth server so we have to handle changes here before we send
// into the $authServer the $responseType
if ($this->grantType === 'authorization_code') {
$responseType->markIsAuthorizationGrant(); // we have specific SMART responses for an authorization grant.
}
$authServer = new AuthorizationServer(
new ClientRepository(),
new AccessTokenRepository(),
new ScopeRepository($this->restConfig),
new CryptKey($this->privateKey, $this->passphrase),
$this->oaEncryptionKey,
$responseType
);
$this->logger->debug("AuthorizationController->getAuthorizationServer() grantType is " . $this->grantType);
if ($this->grantType === 'authorization_code') {
$this->logger->debug(
"logging global params",
['site_addr_oath' => $GLOBALS['site_addr_oath'], 'web_root' => $GLOBALS['web_root'], 'site_id' => $_SESSION['site_id']]
);
$fhirServiceConfig = new ServerConfig();
$expectedAudience = [
$fhirServiceConfig->getFhirUrl(),
$GLOBALS['site_addr_oath'] . $GLOBALS['web_root'] . '/apis/' . $_SESSION['site_id'] . "/api",
$GLOBALS['site_addr_oath'] . $GLOBALS['web_root'] . '/apis/' . $_SESSION['site_id'] . "/portal",
];
$grant = new CustomAuthCodeGrant(
new AuthCodeRepository(),
new RefreshTokenRepository($includeAuthGrantRefreshToken),
new \DateInterval('PT1M'), // auth code. should be short turn around.
$expectedAudience
);
$grant->setRefreshTokenTTL(new \DateInterval('P3M')); // minimum per ONC
$authServer->enableGrantType(
$grant,
new \DateInterval('PT1H') // access token
);
}
if ($this->grantType === 'refresh_token') {
$grant = new CustomRefreshTokenGrant(new RefreshTokenRepository());
$grant->setRefreshTokenTTL(new \DateInterval('P3M'));
$authServer->enableGrantType(
$grant,
new \DateInterval('PT1H') // The new access token will expire after 1 hour
);
}
// TODO: break this up - throw exception for not turned on.
if (!empty($GLOBALS['oauth_password_grant']) && ($this->grantType === self::GRANT_TYPE_PASSWORD)) {
$grant = new CustomPasswordGrant(
new UserRepository(),
new RefreshTokenRepository($includeAuthGrantRefreshToken)
);
$grant->setRefreshTokenTTL(new DateInterval('P3M'));
$authServer->enableGrantType(
$grant,
new \DateInterval('PT1H') // access token
);
}
if ($this->grantType === self::GRANT_TYPE_CLIENT_CREDENTIALS) {
// Enable the client credentials grant on the server
$client_credentials = new CustomClientCredentialsGrant(AuthorizationController::getAuthBaseFullURL() . AuthorizationController::getTokenPath());
$client_credentials->setLogger($this->logger);
$client_credentials->setHttpClient(new Client()); // set our guzzle client here
$authServer->enableGrantType(
$client_credentials,
new \DateInterval(self::GRANT_TYPE_ACCESS_CODE_TTL)
);
}
$this->logger->debug("AuthorizationController->getAuthorizationServer() authServer created");
return $authServer;
}
private function serializeUserSession($authRequest, ServerRequestInterface $httpRequest): void
{
$launchParam = isset($httpRequest->getQueryParams()['launch']) ? $httpRequest->getQueryParams()['launch'] : null;
// keeping somewhat granular
try {
$scopes = $authRequest->getScopes();
$scoped = [];
foreach ($scopes as $scope) {
$scoped[] = $scope->getIdentifier();
}
$client['name'] = $authRequest->getClient()->getName();
$client['redirectUri'] = $authRequest->getClient()->getRedirectUri();
$client['identifier'] = $authRequest->getClient()->getIdentifier();
$client['isConfidential'] = $authRequest->getClient()->isConfidential();
$outer = array(
'grantTypeId' => $authRequest->getGrantTypeId(),
'authorizationApproved' => false,
'redirectUri' => $authRequest->getRedirectUri(),
'state' => $authRequest->getState(),
'codeChallenge' => $authRequest->getCodeChallenge(),
'codeChallengeMethod' => $authRequest->getCodeChallengeMethod(),
);
$result = array('outer' => $outer, 'scopes' => $scoped, 'client' => $client);
$this->authRequestSerial = json_encode($result, JSON_THROW_ON_ERROR);
$_SESSION['authRequestSerial'] = $this->authRequestSerial;
} catch (Exception $e) {
echo $e;
}
}
public function userLogin(): void
{
$response = $this->createServerResponse();
$clientId = $_SESSION['client_id'] ?? null;
$twig = $this->getTwig();
if (empty($clientId)) {
// why are we logging in... we need to terminate
$this->logger->errorLogCaller("application client_id was missing when it shouldn't have been");
echo $twig->render("error/general_http_error.html.twig", ['statusCode' => 500]);
die();
}
$clientService = new ClientRepository();
$client = $clientService->getClientEntity($clientId);
$patientRoleSupport = (!empty($GLOBALS['rest_portal_api']) || !empty($GLOBALS['rest_fhir_api']));
$loginTwigVars = [
'authorize' => null
,'mfaRequired' => false
,'redirect' => $this->authBaseUrl . "/login"
,'isTOTP' => false
,'isU2F' => false
,'u2fRequests' => ''
,'appId' => ''
,'enforce_signin_email' => $GLOBALS['enforce_signin_email'] === '1' ?? false
,'user' => [
'email' => $_POST['email'] ?? ''
,'username' => $_POST['username'] ?? ''
,'password' => $_POST['password'] ?? ''
]
,'patientRoleSupport' => $patientRoleSupport
,'invalid' => ''
,'client' => $client
];
if (empty($_POST['username']) && empty($_POST['password'])) {
$this->logger->debug("AuthorizationController->userLogin() presenting blank login form");
$this->renderTwigPage('oauth2/authorize/login', 'oauth2/oauth2-login.html.twig', $loginTwigVars);
exit();
}
$continueLogin = false;
if (isset($_POST['user_role'])) {
if (!CsrfUtils::verifyCsrfToken($_POST["csrf_token_form"], 'oauth2')) {
$this->logger->error("AuthorizationController->userLogin() Invalid CSRF token");
CsrfUtils::csrfNotVerified(false, true, false);
unset($_POST['username'], $_POST['password']);
$invalid = "Sorry. Invalid CSRF!"; // todo: display error
$loginTwigVars['invalid'] = $invalid;
$this->renderTwigPage('oauth2/authorize/login', 'oauth2/oauth2-login.html.twig', $loginTwigVars);
exit();
} else {
$this->logger->debug("AuthorizationController->userLogin() verifying login information");
$continueLogin = $this->verifyLogin($_POST['username'], $_POST['password'], ($_POST['email'] ?? ''), $_POST['user_role']);
$this->logger->debug("AuthorizationController->userLogin() verifyLogin result", ["continueLogin" => $continueLogin]);
}
}
if (!$continueLogin) {
$this->logger->debug("AuthorizationController->userLogin() login invalid, presenting login form");
$invalid = xl("Sorry, verify the information you have entered is correct"); // todo: display error
$loginTwigVars['invalid'] = $invalid;
$this->renderTwigPage('oauth2/authorize/login', 'oauth2/oauth2-login.html.twig', $loginTwigVars);
exit();
} else {
$this->logger->debug("AuthorizationController->userLogin() login valid, continuing oauth process");
}
//Require MFA if turned on
$mfa = new MfaUtils($this->userId);
$mfaToken = $mfa->tokenFromRequest($_POST['mfa_type'] ?? null);
$mfaType = $mfa->getType();
$TOTP = MfaUtils::TOTP;
$loginTwigVars['isTOTP'] = in_array($TOTP, $mfaType);
if ($_POST['user_role'] === 'api' && $mfa->isMfaRequired() && is_null($mfaToken)) {
$loginTwigVars['mfaRequired'] = true;
if (in_array(MfaUtils::U2F, $mfaType)) {
$loginTwigVars['appId'] = $mfa->getAppId() ?? '';
$loginTwigVars['u2fRequests'] = $mfa->getU2fRequests() ?? '';
}
$this->renderTwigPage('oauth2/authorize/login', 'oauth2/oauth2-login.html.twig', $loginTwigVars);
exit();
}
//Check the validity of the authentication token
if ($_POST['user_role'] === 'api' && $mfa->isMfaRequired() && !is_null($mfaToken)) {
if (!$mfaToken || !$mfa->check($mfaToken, $_POST['mfa_type'])) {
$invalid = "Sorry, Invalid code!";
$loginTwigVars['mfaRequired'] = true;
$loginTwigVars['invalid'] = $invalid;
$this->renderTwigPage('oauth2/authorize/login', 'oauth2/oauth2-login.html.twig', $loginTwigVars);
exit();
}
}
unset($_POST['username'], $_POST['password']);
$_SESSION['persist_login'] = isset($_POST['persist_login']) ? 1 : 0;
$user = new UserEntity();
$user->setIdentifier($_SESSION['user_id']);
$_SESSION['claims'] = $user->getClaims();
// need to redirect to patient select if we have a launch context && this isn't a patient login
// if we need to authorize any smart context as part of our OAUTH handler we do that here
// otherwise we send on to our scope authorization confirm.
if ($this->getSmartAuthController()->needSmartAuthorization()) {
$redirect = $this->authBaseFullUrl . $this->smartAuthController->getSmartAuthorizationPath();
} else {
$redirect = $this->authBaseFullUrl . self::ENDPOINT_SCOPE_AUTHORIZE_CONFIRM;
}
$this->logger->debug("AuthorizationController->userLogin() complete redirecting", ["scopes" => $_SESSION['scopes']
, 'claims' => $_SESSION['claims'], 'redirect' => $redirect]);
header("Location: $redirect");
exit;
}
private function renderTwigPage($pageName, $template, $templateVars)
{
$twig = $this->getTwig();
$templatePageEvent = new TemplatePageEvent($pageName, [], $template, $templateVars);
$dispatcher = $GLOBALS['kernel']->getEventDispatcher();
$updatedTemplatePageEvent = $dispatcher->dispatch($templatePageEvent);
$template = $updatedTemplatePageEvent->getTwigTemplate();
$vars = $updatedTemplatePageEvent->getTwigVariables();
// TODO: @adunsulag do we want to catch exceptions here?
try {
echo $twig->render($template, $vars);
} catch (\Exception $e) {
$this->logger->errorLogCaller("caught exception rendering template", ['message' => $e->getMessage(), 'trace' => $e->getTraceAsString()]);
echo $twig->render("error/general_http_error.html.twig", ['statusCode' => 500]);
die();
}
}
public function scopeAuthorizeConfirm()
{
// TODO: @adunsulag if there are no scopes or claims here we probably want to show an error...
// TODO: @adunsulag this is also where we want to show a special message if the offline scope is present.
// show our scope auth piece
$oauthLogin = true;
$redirect = $this->authBaseUrl . "/device/code";
$scopeString = $_SESSION['scopes'] ?? '';
// check for offline_access
$scopesList = explode(' ', $scopeString);
$offline_requested = false;
$scopes = [];
foreach ($scopesList as $scope) {
if ($scope !== self::OFFLINE_ACCESS_SCOPE) {
$scopes[] = $scope;
} else {
$offline_requested = true;
}
}
$offline_access_date = (new DateTimeImmutable())->add(new \DateInterval("P3M"))->format("Y-m-d");
$claims = $_SESSION['claims'] ?? [];
$clientRepository = new ClientRepository();
$client = $clientRepository->getClientEntity($_SESSION['client_id']);
$clientName = "<" . xl("Client Name Not Found") . ">";
if (!empty($client)) {
$clientName = $client->getName();
}
$uuidToUser = new UuidUserAccount($_SESSION['user_id']);
$userRole = $uuidToUser->getUserRole();
$userAccount = $uuidToUser->getUserAccount();
$oauthLogin = $oauthLogin ?? null;
$offline_requested = $offline_requested ?? false;
$scopes = $scopes ?? [];
$scopeString = $scopeString ?? "";
$offline_access_date = $offline_access_date ?? "";
$userRole = $userRole ?? UuidUserAccount::USER_ROLE_PATIENT;
$clientName = $clientName ?? "";
if ($oauthLogin !== true) {
$message = xlt("Error. Not authorized");
SessionUtil::oauthSessionCookieDestroy();
echo $message;
exit();
}
$scopesByResource = [];
$otherScopes = [];
$scopeDescriptions = [];
$hiddenScopes = [];
$scopeRepository = new ScopeRepository();
foreach ($scopes as $scope) {
// if there are any other scopes we want hidden we can put it here.
if (in_array($scope, ['openid'])) {
$hiddenScopes[] = $scope;
} else if (in_array($scope, $scopeRepository->fhirRequiredSmartScopes())) {
$otherScopes[$scope] = $scopeRepository->lookupDescriptionForScope($scope, $userRole == UuidUserAccount::USER_ROLE_PATIENT);
continue;
}
$parts = explode("/", $scope);
$context = reset($parts);
$resourcePerm = $parts[1] ?? "";
$resourcePermParts = explode(".", $resourcePerm);
$resource = $resourcePermParts[0] ?? "";
$permission = $resourcePermParts[1] ?? "";
if (!empty($resource)) {
$scopesByResource[$resource] = $scopesByResource[$resource] ?? ['permissions' => []];
$scopesByResource[$resource]['permissions'][$scope] = $scopeRepository->lookupDescriptionForScope($scope, $userRole == UuidUserAccount::USER_ROLE_PATIENT);
}
}
// sort by the resource
ksort($scopesByResource);
$updatedClaims = [];
foreach ($claims as $key => $value) {
$key_n = explode('_', $key);
if (stripos($scopeString, $key_n[0]) === false) {
continue;
}
if ((int)$value === 1) {
$value = 'True';
}
$updatedKey = $key;
$updatedClaims[$key] = $value;
if ($key != 'fhirUser') {
$updatedKey = ucwords(str_replace("_", " ", $key));
}
$scopeDescriptions[$updatedKey] = $value;
}
$twigVars = [
'redirect' => $redirect
,'client' => $client
,'otherScopes' => $otherScopes
,'scopesByResource' => $scopesByResource
,'hiddenScopes' => $hiddenScopes
,'claims' => $updatedClaims
,'userAccount' => $userAccount
,'offlineRequested' => true == $offline_requested
,'offline_access_date' => $offline_access_date ?? ""
];
$this->renderTwigPage('oauth2/authorize/scopes-authorize', "oauth2/scope-authorize.html.twig", $twigVars);
die();
}
/**
* Checks if we are in a SMART authorization endpoint
* @param $end_point
* @return bool
*/
public function isSMARTAuthorizationEndPoint($end_point)
{
return $this->getSmartAuthController()->isValidRoute($end_point);
}
/**
* Route handler for any SMART authorization contexts that we need for OpenEMR
* @param $end_point
*/
public function dispatchSMARTAuthorizationEndpoint($end_point)
{
return $this->getSmartAuthController()->dispatchRoute($end_point);
}
private function verifyLogin($username, $password, $email = '', $type = 'api'): bool
{
$auth = new AuthUtils($type);
$is_true = $auth->confirmPassword($username, $password, $email);
if (!$is_true) {
$this->logger->debug("AuthorizationController->verifyLogin() login attempt failed", ['username' => $username, 'email' => $email, 'type' => $type]);
return false;
}
// TODO: should user_id be set to be a uuid here?
if ($this->userId = $auth->getUserId()) {
$_SESSION['user_id'] = $this->getUserUuid($this->userId, 'users');