org.keycloak.authorization.admin.PolicyEvaluationService クラス

org.keycloak.authorization.admin.PolicyEvaluationService 連携図

クラス
class	CloseableKeycloakIdentity
class	EvaluationDecisionCollector

公開メンバ関数
Response	evaluate (PolicyEvaluationRequest evaluationRequest)

関数
	PolicyEvaluationService (ResourceServer resourceServer, AuthorizationProvider authorization, AdminPermissionEvaluator auth)

非公開メンバ関数
EvaluationDecisionCollector	evaluate (PolicyEvaluationRequest evaluationRequest, EvaluationContext evaluationContext, AuthorizationRequest request)
EvaluationContext	createEvaluationContext (PolicyEvaluationRequest representation, KeycloakIdentity identity)
List< ResourcePermission >	createPermissions (PolicyEvaluationRequest representation, EvaluationContext evaluationContext, AuthorizationProvider authorization, AuthorizationRequest request)
CloseableKeycloakIdentity	createIdentity (PolicyEvaluationRequest representation)

非公開変数類
final AuthorizationProvider	authorization
final AdminPermissionEvaluator	auth
final ResourceServer	resourceServer

静的非公開変数類
static final Logger	logger = Logger.getLogger(PolicyEvaluationService.class)

詳解

著者

Pedro Igor

構築子と解体子

PolicyEvaluationService()

org.keycloak.authorization.admin.PolicyEvaluationService.PolicyEvaluationService ( ResourceServer  resourceServer, AuthorizationProvider  authorization, AdminPermissionEvaluator  auth  )

inlinepackage

                                                                                                                               {
        this.resourceServer = resourceServer;
        this.authorization = authorization;
        this.auth = auth;
    }

関数詳解

createEvaluationContext()

EvaluationContext org.keycloak.authorization.admin.PolicyEvaluationService.createEvaluationContext ( PolicyEvaluationRequest  representation, KeycloakIdentity  identity  )

inlineprivate

                                                                                                                         {
        return new KeycloakEvaluationContext(identity, this.authorization.getKeycloakSession()) {
            @Override
            public Attributes getAttributes() {
                Map<String, Collection<String>> attributes = new HashMap<>(super.getAttributes().toMap());
                Map<String, String> givenAttributes = representation.getContext().get("attributes");

                if (givenAttributes != null) {
                    givenAttributes.forEach((key, entryValue) -> {
                        if (entryValue != null) {
                            List<String> values = new ArrayList();

                            for (String value : entryValue.split(",")) {
                                values.add(value);
                            }

                            attributes.put(key, values);
                        }
                    });
                }

                return Attributes.from(attributes);
            }
        };
    }

createIdentity()

CloseableKeycloakIdentity org.keycloak.authorization.admin.PolicyEvaluationService.createIdentity ( PolicyEvaluationRequest  representation )

inlineprivate

                                                                                             {
        KeycloakSession keycloakSession = this.authorization.getKeycloakSession();
        RealmModel realm = keycloakSession.getContext().getRealm();
        AccessToken accessToken = null;


        String subject = representation.getUserId();

        UserSessionModel userSession = null;
        if (subject != null) {
            UserModel userModel = keycloakSession.users().getUserById(subject, realm);

            if (userModel != null) {
                String clientId = representation.getClientId();

                if (clientId == null) {
                    clientId = resourceServer.getId();
                }

                if (clientId != null) {
                    ClientModel clientModel = realm.getClientById(clientId);

                    AuthenticationSessionModel authSession = keycloakSession.authenticationSessions().createRootAuthenticationSession(realm)
                            .createAuthenticationSession(clientModel);
                    authSession.setProtocol(OIDCLoginProtocol.LOGIN_PROTOCOL);
                    authSession.setAuthenticatedUser(userModel);
                    userSession = keycloakSession.sessions().createUserSession(authSession.getParentSession().getId(), realm, userModel, userModel.getUsername(), "127.0.0.1", "passwd", false, null, null);

                    AuthenticationManager.setClientScopesInSession(authSession);
                    ClientSessionContext clientSessionCtx = TokenManager.attachAuthenticationSession(keycloakSession, userSession, authSession);

                    accessToken = new TokenManager().createClientAccessToken(keycloakSession, realm, clientModel, userModel, userSession, clientSessionCtx);
                }
            }
        }

        if (accessToken == null) {
            accessToken = new AccessToken();

            accessToken.subject(representation.getUserId());
            accessToken.issuedFor(representation.getClientId());
            accessToken.audience(representation.getClientId());
            accessToken.issuer(Urls.realmIssuer(keycloakSession.getContext().getUri().getBaseUri(), realm.getName()));
            accessToken.setRealmAccess(new AccessToken.Access());

        }

        AccessToken.Access realmAccess = accessToken.getRealmAccess();

        if (representation.getRoleIds() != null) {
            representation.getRoleIds().forEach(roleName -> realmAccess.addRole(roleName));
        }

        return new CloseableKeycloakIdentity(accessToken, keycloakSession, userSession);
    }

createPermissions()

List<ResourcePermission> org.keycloak.authorization.admin.PolicyEvaluationService.createPermissions ( PolicyEvaluationRequest  representation, EvaluationContext  evaluationContext, AuthorizationProvider  authorization, AuthorizationRequest  request  )

inlineprivate

                                                                                                                                                                                                       {
        return representation.getResources().stream().flatMap((Function<ResourceRepresentation, Stream<ResourcePermission>>) resource -> {
            StoreFactory storeFactory = authorization.getStoreFactory();
            if (resource == null) {
                resource = new ResourceRepresentation();
            }

            Set<ScopeRepresentation> givenScopes = resource.getScopes();

            if (givenScopes == null) {
                givenScopes = new HashSet();
            }

            ScopeStore scopeStore = storeFactory.getScopeStore();

            Set<Scope> scopes = givenScopes.stream().map(scopeRepresentation -> scopeStore.findByName(scopeRepresentation.getName(), resourceServer.getId())).collect(Collectors.toSet());

            if (resource.getId() != null) {
                Resource resourceModel = storeFactory.getResourceStore().findById(resource.getId(), resourceServer.getId());
                return new ArrayList<>(Arrays.asList(Permissions.createResourcePermissions(resourceModel, scopes, authorization, request))).stream();
            } else if (resource.getType() != null) {
                return storeFactory.getResourceStore().findByType(resource.getType(), resourceServer.getId()).stream().map(resource1 -> Permissions.createResourcePermissions(resource1, scopes, authorization, request));
            } else {
                if (scopes.isEmpty()) {
                    return Permissions.all(resourceServer, evaluationContext.getIdentity(), authorization, request).stream();
                }

                List<Resource> resources = storeFactory.getResourceStore().findByScope(scopes.stream().map(Scope::getId).collect(Collectors.toList()), resourceServer.getId());

                if (resources.isEmpty()) {
                    return scopes.stream().map(scope -> new ResourcePermission(null, new ArrayList<>(Arrays.asList(scope)), resourceServer));
                }


                return resources.stream().map(resource12 -> Permissions.createResourcePermissions(resource12, scopes, authorization, request));
            }
        }).collect(Collectors.toList());
    }

evaluate() [1/2]

Response org.keycloak.authorization.admin.PolicyEvaluationService.evaluate ( PolicyEvaluationRequest  evaluationRequest )

inline

                                                                        {
        this.auth.realm().requireViewAuthorization();
        CloseableKeycloakIdentity identity = createIdentity(evaluationRequest);
        try {
            AuthorizationRequest request = new AuthorizationRequest();
            Map<String, List<String>> claims = new HashMap<>();
            Map<String, String> givenAttributes = evaluationRequest.getContext().get("attributes");

            if (givenAttributes != null) {
                givenAttributes.forEach((key, entryValue) -> {
                    if (entryValue != null) {
                        List<String> values = new ArrayList();

                        for (String value : entryValue.split(",")) {
                            values.add(value);
                        }

                        claims.put(key, values);
                    }
                });
            }

            request.setClaims(claims);

            return Response.ok(PolicyEvaluationResponseBuilder.build(evaluate(evaluationRequest, createEvaluationContext(evaluationRequest, identity), request), resourceServer, authorization, identity)).build();
        } catch (Exception e) {
            logger.error("Error while evaluating permissions", e);
            throw new ErrorResponseException(OAuthErrorException.SERVER_ERROR, "Error while evaluating permissions.", Status.INTERNAL_SERVER_ERROR);
        } finally {
            identity.close();
        }
    }

evaluate() [2/2]

EvaluationDecisionCollector org.keycloak.authorization.admin.PolicyEvaluationService.evaluate ( PolicyEvaluationRequest  evaluationRequest, EvaluationContext  evaluationContext, AuthorizationRequest  request  )

inlineprivate

                                                                                                                                                               {
        return authorization.evaluators().from(createPermissions(evaluationRequest, evaluationContext, authorization, request), evaluationContext).evaluate(new EvaluationDecisionCollector(authorization, resourceServer, request));
    }

メンバ詳解

auth

final AdminPermissionEvaluator org.keycloak.authorization.admin.PolicyEvaluationService.auth

private

authorization

final AuthorizationProvider org.keycloak.authorization.admin.PolicyEvaluationService.authorization

private

logger

final Logger org.keycloak.authorization.admin.PolicyEvaluationService.logger = Logger.getLogger(PolicyEvaluationService.class)

staticprivate

resourceServer

final ResourceServer org.keycloak.authorization.admin.PolicyEvaluationService.resourceServer

private

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このクラス詳解は次のファイルから抽出されました:

• D:/AppData/doxygen/keycloak/src/keycloak/src/main/java/org/keycloak/authorization/admin/PolicyEvaluationService.java