Multitenancy in SDC

Issue-ID: SDC-4215
Change-Id: Ie24ba38acc9f1998d4a7e722e8f98456dab9201d
Signed-off-by: Kartik Hegde <kh00735564@techmahindra.com>

15 files changed, 409 insertions, 24 deletions

diff --git a/catalog-be/src/main/docker/backend/chef-repo/cookbooks/sdc-catalog-be/files/default/error-configuration.yaml b/catalog-be/src/main/docker/backend/chef-repo/cookbooks/sdc-catalog-be/files/default/error-configuration.yaml
index 32bbf73e9d..a9df460cf2 100644
--- a/catalog-be/src/main/docker/backend/chef-repo/cookbooks/sdc-catalog-be/files/default/error-configuration.yaml
+++ b/catalog-be/src/main/docker/backend/chef-repo/cookbooks/sdc-catalog-be/files/default/error-configuration.yaml
@@ -2822,6 +2822,14 @@ errors:
         message: "Capability '%1' not found in '%2' '%3'."
         messageId: "SVC4186"
 
+    #---------SVC4950-----------------------------
+    MISSING_TENANT_NAME: {
+        code: 400,
+        message: "Error: Missing Tenant name.",
+        messageId: "SVC4950"
+    }
+
+
     #---------SVC4001------------------------------
     NOT_PERMITTED_SPECIAL_CHARS: {
         code: 406,
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/catalog/impl/ComponentMessage.java b/catalog-be/src/main/java/org/openecomp/sdc/be/catalog/impl/ComponentMessage.java
index 69a04e1df5..34e2add887 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/catalog/impl/ComponentMessage.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/catalog/impl/ComponentMessage.java
@@ -85,6 +85,9 @@ public class ComponentMessage extends CatalogComponent implements IComponentMess
         setIsHighestVersion(component.isHighestVersion()); // isHighestVersion
 
         setDescription(component.getDescription()); // description
+
+        setTenant(component.getTenant()); // tenant
+
         if (component.getTags() != null) {
             setTags(component.getTags()); // tags
         }
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ImportUtils.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ImportUtils.java
index 9c2c070c74..51444a2cc1 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ImportUtils.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ImportUtils.java
@@ -797,6 +797,7 @@ public final class ImportUtils {
         public static final String ESCAPED_DOUBLE_QUOTE = "\"";
         public static final String QUOTE = "'";
         public static final String VF_DESCRIPTION = "Nested VF in service";
+        public static final String TENANT = "tenant";
 
         private Constants() {
         }
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceBusinessLogic.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceBusinessLogic.java
index cb57ab3b12..619a923b48 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceBusinessLogic.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceBusinessLogic.java
@@ -1411,6 +1411,7 @@ public class ResourceBusinessLogic extends ComponentBusinessLogic {
         resourceMetaData.setIcon(ImportUtils.Constants.DEFAULT_ICON);
         resourceMetaData.setContactId(user.getUserId());
         resourceMetaData.setVendorName(resourceVf.getVendorName());
+        resourceMetaData.setTenant(resourceVf.getTenant());
         resourceMetaData.setVendorRelease(resourceVf.getVendorRelease());
         resourceMetaData.setModel(resourceVf.getModel());
         // Setting tag
@@ -1444,6 +1445,7 @@ public class ResourceBusinessLogic extends ComponentBusinessLogic {
         cvfc.setContactId(csarInfo.getModifier().getUserId());
         cvfc.setCreatorUserId(csarInfo.getModifier().getUserId());
         cvfc.setVendorName(resourceVf.getVendorName());
+        cvfc.setTenant(resourceVf.getTenant());
         cvfc.setVendorRelease(resourceVf.getVendorRelease());
         cvfc.setModel(resourceVf.getModel());
         cvfc.setResourceVendorModelNumber(resourceVf.getResourceVendorModelNumber());
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceImportManager.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceImportManager.java
index 79b3c961f7..076dd50655 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceImportManager.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ResourceImportManager.java
@@ -330,6 +330,7 @@ public class ResourceImportManager {
             resource.setIcon(resourceMetaData.getResourceIconPath());
             resource.setResourceVendorModelNumber(resourceMetaData.getResourceVendorModelNumber());
             resource.setResourceType(ResourceTypeEnum.valueOf(resourceMetaData.getResourceType()));
+            resource.setTenant(resourceMetaData.getTenant());
             if (resourceMetaData.getVendorName() != null) {
                 resource.setVendorName(resourceMetaData.getVendorName());
             }
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportManager.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportManager.java
index 6f10aaea9c..595603ec07 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportManager.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportManager.java
@@ -62,6 +62,7 @@ public class ServiceImportManager {
     public void populateServiceMetadata(UploadServiceInfo serviceMetaData, Service service) {
         if (service != null && serviceMetaData != null) {
             service.setDescription(serviceMetaData.getDescription());
+            service.setTenant(serviceMetaData.getTenant());
             service.setTags(serviceMetaData.getTags());
             service.setCategories(serviceMetaData.getCategories());
             service.setContactId(serviceMetaData.getContactId());
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportParseLogic.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportParseLogic.java
index 43b88fd63e..41babdfba5 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportParseLogic.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/ServiceImportParseLogic.java
@@ -917,6 +917,7 @@ public class ServiceImportParseLogic {
         cvfc.setContactId(csarInfo.getModifier().getUserId());
         cvfc.setCreatorUserId(csarInfo.getModifier().getUserId());
         cvfc.setVendorName(resourceVf.getVendorName());
+        cvfc.setTenant(resourceVf.getTenant());
         cvfc.setVendorRelease(resourceVf.getVendorRelease());
         cvfc.setResourceVendorModelNumber(resourceVf.getResourceVendorModelNumber());
         cvfc.setToscaResourceName(buildNestedToscaResourceName(ResourceTypeEnum.VF.name(), csarInfo.getVfResourceName(), nodeName).getLeft());
@@ -982,6 +983,7 @@ public class ServiceImportParseLogic {
         resourceMetaData.setIcon(ImportUtils.Constants.DEFAULT_ICON);
         resourceMetaData.setContactId(user.getUserId());
         resourceMetaData.setVendorName(resourceVf.getVendorName());
+        resourceMetaData.setTenant(resourceVf.getTenant());
         resourceMetaData.setVendorRelease(resourceVf.getVendorRelease());
         // Setting tag
         List<String> tags = new ArrayList<>();
@@ -1306,6 +1308,7 @@ public class ServiceImportParseLogic {
         cvfc.setContactId(csarInfo.getModifier().getUserId());
         cvfc.setCreatorUserId(csarInfo.getModifier().getUserId());
         cvfc.setVendorName("cmri");
+        cvfc.setTenant("tenant");
         cvfc.setVendorRelease("1.0");
         cvfc.setResourceVendorModelNumber("");
         cvfc.setToscaResourceName(buildNestedToscaResourceName(ResourceTypeEnum.VF.name(), csarInfo.getVfResourceName(), nodeName).getLeft());
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/filters/MultitenancyFilter.java b/catalog-be/src/main/java/org/openecomp/sdc/be/filters/MultitenancyFilter.java
new file mode 100644
index 0000000000..45dbbad587
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/filters/MultitenancyFilter.java
@@ -0,0 +1,270 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2022 Tech-Mahindra Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.filters;
+
+import org.keycloak.adapters.*;
+import org.keycloak.adapters.servlet.FilterRequestAuthenticator;
+import org.keycloak.adapters.servlet.OIDCFilterSessionStore;
+import org.keycloak.adapters.servlet.OIDCServletHttpFacade;
+import org.keycloak.adapters.spi.*;
+import org.openecomp.sdc.common.util.Multitenancy;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import javax.servlet.http.HttpServletResponse;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Modifier;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.util.regex.Pattern;
+
+
+public class MultitenancyFilter implements Filter {
+
+    private static final Logger log = Logger.getLogger("" + MultitenancyFilter.class);
+
+    public static final String SKIP_PATTERN_PARAM = "keycloak.config.skipPattern";
+
+    public static final String ID_MAPPER_PARAM = "keycloak.config.idMapper";
+
+    public static final String CONFIG_RESOLVER_PARAM = "keycloak.config.resolver";
+
+    public static final String CONFIG_FILE_PARAM = "keycloak.config.file";
+
+    public static final String CONFIG_PATH_PARAM = "keycloak.config.path";
+
+    protected AdapterDeploymentContext deploymentContext;
+
+    protected SessionIdMapper idMapper = new InMemorySessionIdMapper();
+
+    protected NodesRegistrationManagement nodesRegistrationManagement;
+
+    protected Pattern skipPattern;
+
+    private final KeycloakConfigResolver definedConfigResolver;
+
+    boolean keycloak;
+
+    String path = "/WEB-INF/keycloak.json";
+
+    /**
+     * Constructor that can be used to define a {@code KeycloakConfigResolver} that will be used at initialization to
+     * provide the {@code KeycloakDeployment}.
+     * @param definedConfigResolver the resolver
+     */
+    public MultitenancyFilter(KeycloakConfigResolver definedConfigResolver) {
+        this.definedConfigResolver = definedConfigResolver;
+    }
+
+    public MultitenancyFilter() {
+        this(null);
+    }
+
+    @Override
+    public void init(final FilterConfig filterConfig) throws ServletException {
+        String skipPatternDefinition = filterConfig.getInitParameter(SKIP_PATTERN_PARAM);
+        if (skipPatternDefinition != null) {
+            skipPattern = Pattern.compile(skipPatternDefinition, Pattern.DOTALL);
+        }
+
+        String idMapperClassName = filterConfig.getInitParameter(ID_MAPPER_PARAM);
+        if (idMapperClassName != null) {
+            try {
+                final Class<?> idMapperClass = getClass().getClassLoader().loadClass(idMapperClassName);
+                final Constructor<?> idMapperConstructor = idMapperClass.getDeclaredConstructor();
+                Object idMapperInstance = null;
+                // for KEYCLOAK-13745 test
+                if (idMapperConstructor.getModifiers() == Modifier.PRIVATE) {
+                    idMapperInstance = idMapperClass.getMethod("getInstance").invoke(null);
+                } else {
+                    idMapperInstance = idMapperConstructor.newInstance();
+                }
+                if(idMapperInstance instanceof SessionIdMapper) {
+                    this.idMapper = (SessionIdMapper) idMapperInstance;
+                } else {
+                    log.log(Level.WARNING, "SessionIdMapper class {0} is not instance of org.keycloak.adapters.spi.SessionIdMapper", idMapperClassName);
+                }
+            } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e) {
+                log.log(Level.WARNING, "SessionIdMapper class could not be instanced", e);
+            }
+        }
+
+        if (definedConfigResolver != null) {
+            deploymentContext = new AdapterDeploymentContext(definedConfigResolver);
+            log.log(Level.INFO, "Using {0} to resolve Keycloak configuration on a per-request basis.", definedConfigResolver.getClass());
+        } else {
+            String configResolverClass = filterConfig.getInitParameter(CONFIG_RESOLVER_PARAM);
+            if (configResolverClass != null) {
+                try {
+                    KeycloakConfigResolver configResolver = (KeycloakConfigResolver) getClass().getClassLoader().loadClass(configResolverClass).getDeclaredConstructor().newInstance();
+                    deploymentContext = new AdapterDeploymentContext(configResolver);
+                    log.log(Level.INFO, "Using {0} to resolve Keycloak configuration on a per-request basis.", configResolverClass);
+                } catch (Exception ex) {
+                    log.log(Level.FINE, "The specified resolver {0} could NOT be loaded. Keycloak is not configured and will deny all requests. Reason: {1}", new Object[]{configResolverClass, ex.getMessage()});
+                    deploymentContext = new AdapterDeploymentContext(new KeycloakDeployment());
+                }
+            } else {
+                String fp = filterConfig.getInitParameter(CONFIG_FILE_PARAM);
+                InputStream is = null;
+                if (fp != null) {
+                    try {
+                        is = new FileInputStream(fp);
+                    } catch (FileNotFoundException e) {
+                        throw new RuntimeException(e);
+                    }
+                } else {
+                    String pathParam = filterConfig.getInitParameter(CONFIG_PATH_PARAM);
+                    if (pathParam != null) path = pathParam;
+                    is = filterConfig.getServletContext().getResourceAsStream(path);
+                }
+                KeycloakDeployment kd = createKeycloakDeploymentFrom(is);
+                deploymentContext = new AdapterDeploymentContext(kd);
+                log.fine("Keycloak is using a per-deployment configuration.");
+            }
+        }
+        filterConfig.getServletContext().setAttribute(AdapterDeploymentContext.class.getName(), deploymentContext);
+        nodesRegistrationManagement = new NodesRegistrationManagement();
+    }
+
+    private KeycloakDeployment createKeycloakDeploymentFrom(InputStream is) {
+        if (is == null) {
+            log.fine("No adapter configuration. Keycloak is not configured and will deny all requests.");
+            return new KeycloakDeployment();
+        }
+        return KeycloakDeploymentBuilder.build(is);
+    }
+
+
+    @Override
+    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
+        log.fine("Keycloak OIDC Filter");
+        Multitenancy keyaccess= new Multitenancy();
+        keycloak= keyaccess.multiTenancyCheck();
+
+        HttpServletRequest request = (HttpServletRequest) req;
+        HttpServletResponse response = (HttpServletResponse) res;
+
+        if (!keycloak) {
+            chain.doFilter(req, res);
+            return;
+        }
+
+        if (shouldSkip(request)) {
+            chain.doFilter(req, res);
+            return;
+        }
+
+        OIDCServletHttpFacade facade = new OIDCServletHttpFacade(request, response);
+        KeycloakDeployment deployment = deploymentContext.resolveDeployment(facade);
+        if (deployment == null || !deployment.isConfigured()) {
+            response.sendError(403);
+            log.fine("deployment not configured");
+            return;
+        }
+
+        PreAuthActionsHandler preActions = new PreAuthActionsHandler(new org.openecomp.sdc.be.filters.MultitenancyFilter.IdMapperUserSessionManagement(), deploymentContext, facade);
+
+        if (preActions.handleRequest()) {
+            return;
+        }
+
+
+        nodesRegistrationManagement.tryRegister(deployment);
+        OIDCFilterSessionStore tokenStore = new OIDCFilterSessionStore(request, facade, 100000, deployment, idMapper);
+        tokenStore.checkCurrentToken();
+
+
+        FilterRequestAuthenticator authenticator = new FilterRequestAuthenticator(deployment, tokenStore, facade, request, 8443);
+        AuthOutcome outcome = authenticator.authenticate();
+        if (outcome == AuthOutcome.AUTHENTICATED) {
+            log.fine("AUTHENTICATED");
+            if (facade.isEnded()) {
+                return;
+            }
+            AuthenticatedActionsHandler actions = new AuthenticatedActionsHandler(deployment, facade);
+            if (actions.handledRequest()) {
+                return;
+            } else {
+                HttpServletRequestWrapper wrapper = tokenStore.buildWrapper();
+                chain.doFilter(wrapper, res);
+                return;
+            }
+        }
+        AuthChallenge challenge = authenticator.getChallenge();
+        if (challenge != null) {
+            log.fine("challenge");
+            challenge.challenge(facade);
+            return;
+        }
+        response.sendError(403);
+
+    }
+
+    /**
+     * Decides whether this {@link Filter} should skip the given {@link HttpServletRequest} based on the configured {@link org.keycloak.adapters.servlet.KeycloakOIDCFilter#skipPattern}.
+     * Patterns are matched against the {@link HttpServletRequest#getRequestURI() requestURI} of a request without the context-path.
+     * A request for {@code /myapp/index.html} would be tested with {@code /index.html} against the skip pattern.
+     * Skipped requests will not be processed further by {@link org.keycloak.adapters.servlet.KeycloakOIDCFilter} and immediately delegated to the {@link FilterChain}.
+     *
+     * @param request the request to check
+     * @return {@code true} if the request should not be handled,
+     * {@code false} otherwise.
+     */
+    private boolean shouldSkip(HttpServletRequest request) {
+
+        if (skipPattern == null) {
+            return false;
+        }
+
+        String requestPath = request.getRequestURI().substring(request.getContextPath().length());
+        return skipPattern.matcher(requestPath).matches();
+    }
+
+    @Override
+    public void destroy() {
+
+    }
+
+    private class IdMapperUserSessionManagement implements UserSessionManagement {
+        @Override
+        public void logoutAll() {
+            if (idMapper != null) {
+                idMapper.clear();
+            }
+        }
+
+        @Override
+        public void logoutHttpSessions(List<String> ids) {
+            log.fine("**************** logoutHttpSessions");
+            for (String id : ids) {
+                idMapper.removeSession(id);
+            }
+
+        }
+    }
+}
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ElementServlet.java b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ElementServlet.java
index 5e4085cf33..578319208c 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ElementServlet.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ElementServlet.java
@@ -33,6 +33,8 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
 import javax.inject.Inject;
 import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletRequest;
@@ -79,9 +81,10 @@ import org.openecomp.sdc.be.ui.model.UiCategories;
 import org.openecomp.sdc.be.user.UserBusinessLogic;
 import org.openecomp.sdc.common.api.Constants;
 import org.openecomp.sdc.common.log.wrappers.Logger;
+import org.openecomp.sdc.common.util.Multitenancy;
 import org.openecomp.sdc.exception.ResponseFormat;
 import org.springframework.stereotype.Controller;
-
+import org.keycloak.representations.AccessToken;
 @Path("/v1/")
 /**
  *
@@ -522,8 +525,23 @@ public class ElementServlet extends BeGenericServlet {
                 log.debug("failed to get followed resources services ");
                 return buildErrorResponse(followedResourcesServices.right().value());
             }
-            Object data = RepresentationUtils.toRepresentation(followedResourcesServices.left().value());
-            return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.OK), data);
+            Multitenancy keyaccess= new Multitenancy();
+            if (keyaccess.multiTenancyCheck()) {
+                AccessToken.Access realmAccess = keyaccess.getAccessToken(request).getRealmAccess();
+                Set<String> realmroles = realmAccess.getRoles();
+                Map<String, List<? extends Component>> dataResponse = new HashMap<>();
+               followedResourcesServices.left().value().entrySet().stream()
+                        .forEach(component->{component.setValue(component.getValue().stream().filter(cm->realmroles.stream()
+                                .anyMatch(role->cm.getTenant().equals(role))).collect(Collectors.toList()));
+                            dataResponse.put(component.getKey(), component.getValue());
+                        });
+                Object data = RepresentationUtils.toRepresentation(dataResponse);
+                return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.OK), data);
+            }
+            else{
+                Object data = RepresentationUtils.toRepresentation(followedResourcesServices.left().value());
+                return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.OK), data);
+            }
         } catch (Exception e) {
             BeEcompErrorManager.getInstance().logBeRestApiGeneralError("Get Followed Resources / Services Categories");
             log.debug("Getting followed resources/services failed with exception", e);
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ResourcesServlet.java b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ResourcesServlet.java
index d84e40c3d8..08f26fff4a 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ResourcesServlet.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ResourcesServlet.java
@@ -35,6 +35,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import javax.inject.Inject;
 import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletRequest;
@@ -56,6 +57,7 @@ import org.glassfish.jersey.media.multipart.FormDataContentDisposition;
 import org.glassfish.jersey.media.multipart.FormDataParam;
 import org.json.JSONException;
 import org.json.JSONObject;
+import org.keycloak.representations.AccessToken;
 import org.openecomp.sdc.be.components.impl.ComponentInstanceBusinessLogic;
 import org.openecomp.sdc.be.components.impl.CsarValidationUtils;
 import org.openecomp.sdc.be.components.impl.ImportUtils;
@@ -87,6 +89,7 @@ import org.openecomp.sdc.common.log.wrappers.Logger;
 import org.openecomp.sdc.common.util.ValidationUtils;
 import org.openecomp.sdc.common.zip.exception.ZipException;
 import org.openecomp.sdc.exception.ResponseFormat;
+import org.openecomp.sdc.common.util.Multitenancy;
 import org.springframework.stereotype.Controller;
 
 @Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
@@ -115,11 +118,12 @@ public class ResourcesServlet extends AbstractValidationsServlet {
     @Consumes(MediaType.APPLICATION_JSON)
     @Produces(MediaType.APPLICATION_JSON)
     @Operation(description = "Create Resource", method = "POST", summary = "Returns created resource", responses = {
-        @ApiResponse(content = @Content(array = @ArraySchema(schema = @Schema(implementation = Resource.class)))),
-        @ApiResponse(responseCode = "201", description = "Resource created"),
-        @ApiResponse(responseCode = "403", description = "Restricted operation"),
-        @ApiResponse(responseCode = "400", description = "Invalid content / Missing content"),
-        @ApiResponse(responseCode = "409", description = "Resource already exist")})
+            @ApiResponse(content = @Content(array = @ArraySchema(schema = @Schema(implementation = Resource.class)))),
+            @ApiResponse(responseCode = "201", description = "Resource created"),
+            @ApiResponse(responseCode = "403", description = "Restricted operation"),
+            @ApiResponse(responseCode = "400", description = "Invalid content / Missing content"),
+            @ApiResponse(responseCode = "409", description = "Resource already exist"),
+            @ApiResponse(responseCode = "401", description = "Unauthorized Tenant")})
     @PermissionAllowed(AafPermission.PermNames.INTERNAL_ALL_VALUE)
     public Response createResource(@Parameter(description = "Resource object to be created", required = true) String data,
                                    @Context final HttpServletRequest request, @HeaderParam(value = Constants.USER_ID_HEADER) String userId)
@@ -148,14 +152,33 @@ public class ResourcesServlet extends AbstractValidationsServlet {
                     response = buildErrorResponse(convertResponse.right().value());
                     return response;
                 }
+                Multitenancy keyaccess = new Multitenancy();
                 Resource resource = convertResponse.left().value();
-                Resource createdResource = resourceBusinessLogic.createResource(resource, AuditingActionEnum.CREATE_RESOURCE, modifier, null, null);
-                Object representation = RepresentationUtils.toRepresentation(createdResource);
-                response = buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED), representation);
-                responseWrapper.setInnerElement(response);
-                loggerSupportability
-                    .log(LoggerSupportabilityActions.CREATE_RESOURCE, resource.getComponentMetadataForSupportLog(), StatusCode.COMPLETE,
-                        "Resource successfully created user {}", userId);
+                if (keyaccess.multiTenancyCheck())
+                {
+                        AccessToken.Access realmAccess = keyaccess.getAccessToken(request).getRealmAccess();
+                        Set<String> realmroles = realmAccess.getRoles();
+                        boolean match = realmroles.contains(resource.getTenant());
+                        if (match) {
+                            Resource createdResource = resourceBusinessLogic.createResource(resource, AuditingActionEnum.CREATE_RESOURCE, modifier, null, null);
+                            Object representation = RepresentationUtils.toRepresentation(createdResource);
+                            response = buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED), representation);
+                            responseWrapper.setInnerElement(response);
+                            loggerSupportability
+                                    .log(LoggerSupportabilityActions.CREATE_RESOURCE, resource.getComponentMetadataForSupportLog(), StatusCode.COMPLETE,
+                                            "Resource successfully created user {}", userId);
+                        } else {
+                            return Response.status(401, "Unauthorized Tenant").build();
+                        }
+                } else {
+                    Resource createdResource = resourceBusinessLogic.createResource(resource, AuditingActionEnum.CREATE_RESOURCE, modifier, null, null);
+                    Object representation = RepresentationUtils.toRepresentation(createdResource);
+                    response = buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED), representation);
+                    responseWrapper.setInnerElement(response);
+                    loggerSupportability
+                            .log(LoggerSupportabilityActions.CREATE_RESOURCE, resource.getComponentMetadataForSupportLog(), StatusCode.COMPLETE,
+                                    "Resource successfully created user {}", userId);
+                }
             }
             return responseWrapper.getInnerElement();
         } catch (final IOException | ZipException e) {
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ServiceServlet.java b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ServiceServlet.java
index fcac7dce35..3c2b72be2a 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ServiceServlet.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/ServiceServlet.java
@@ -41,6 +41,7 @@ import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import javax.inject.Inject;
 import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletRequest;
@@ -92,10 +93,11 @@ import org.openecomp.sdc.common.log.elements.LoggerSupportability;
 import org.openecomp.sdc.common.log.enums.LoggerSupportabilityActions;
 import org.openecomp.sdc.common.log.enums.StatusCode;
 import org.openecomp.sdc.common.log.wrappers.Logger;
+import org.openecomp.sdc.common.util.Multitenancy;
 import org.openecomp.sdc.common.zip.exception.ZipException;
 import org.openecomp.sdc.exception.ResponseFormat;
 import org.springframework.stereotype.Controller;
-
+import org.keycloak.representations.AccessToken;
 @Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
 @Path("/v1/catalog")
 @Server(url = "/sdc2/rest")
@@ -127,7 +129,8 @@ public class ServiceServlet extends AbstractValidationsServlet {
         @ApiResponse(content = @Content(array = @ArraySchema(schema = @Schema(implementation = Service.class)))),
         @ApiResponse(responseCode = "201", description = "Service created"), @ApiResponse(responseCode = "403", description = "Restricted operation"),
         @ApiResponse(responseCode = "400", description = "Invalid content / Missing content"),
-        @ApiResponse(responseCode = "409", description = "Service already exist")})
+        @ApiResponse(responseCode = "409", description = "Service already exist"),
+            @ApiResponse(responseCode = "401", description = "Unauthorized Tenant")})
     @PermissionAllowed(AafPermission.PermNames.INTERNAL_ALL_VALUE)
     public Response createService(@Parameter(description = "Service object to be created", required = true) String data,
                                   @Context final HttpServletRequest request, @HeaderParam(value = Constants.USER_ID_HEADER) String userId) {
@@ -141,15 +144,35 @@ public class ServiceServlet extends AbstractValidationsServlet {
         if (convertResponse.isRight()) {
             throw new ByResponseFormatComponentException(convertResponse.right().value());
         }
+        Multitenancy keyaccess = new Multitenancy();
         Service service = convertResponse.left().value();
-        Either<Service, ResponseFormat> actionResponse = serviceBusinessLogic.createService(service, modifier);
-        if (actionResponse.isRight()) {
-            log.debug("Failed to create service");
-            throw new ByResponseFormatComponentException(actionResponse.right().value());
+        if (keyaccess.multiTenancyCheck()) {
+            AccessToken.Access realmAccess = keyaccess.getAccessToken(request).getRealmAccess();
+            Set<String> realmroles = realmAccess.getRoles();
+            boolean match = realmroles.contains(service.getTenant());
+            if (match) {
+                Either<Service, ResponseFormat> actionResponse = serviceBusinessLogic.createService(service, modifier);
+                if (actionResponse.isRight()) {
+                    log.debug("Failed to create service");
+                    throw new ByResponseFormatComponentException(actionResponse.right().value());
+                }
+                loggerSupportability.log(LoggerSupportabilityActions.CREATE_SERVICE, service.getComponentMetadataForSupportLog(), StatusCode.COMPLETE,
+                        "Service {} has been created by user {} ", service.getName(), userId);
+                return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED), actionResponse.left().value());
+            } else {
+                log.debug("Unauthorized Tenant");
+                return Response.status(401, "Unauthorized Tenant").build();
+            }
+        } else {
+            Either<Service, ResponseFormat> actionResponse = serviceBusinessLogic.createService(service, modifier);
+            if (actionResponse.isRight()) {
+                log.debug("Failed to create service");
+                throw new ByResponseFormatComponentException(actionResponse.right().value());
+            }
+            loggerSupportability.log(LoggerSupportabilityActions.CREATE_SERVICE, service.getComponentMetadataForSupportLog(), StatusCode.COMPLETE,
+                    "Service {} has been created by user {} ", service.getName(), userId);
+            return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED), actionResponse.left().value());
         }
-        loggerSupportability.log(LoggerSupportabilityActions.CREATE_SERVICE, service.getComponentMetadataForSupportLog(), StatusCode.COMPLETE,
-            "Service {} has been created by user {} ", service.getName(), userId);
-        return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.CREATED), actionResponse.left().value());
     }
 
     public Either<Service, ResponseFormat> parseToService(String serviceJson, User user) {
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java
index ff6d015d62..68795e1003 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java
@@ -546,6 +546,7 @@ public class ToscaExportHandler {
                 }
                 toscaMetadata.put(JsonPresentationFields.SUB_CATEGORY.getPresentation(), categoryDefinition.getSubcategories().get(0).getName());
                 toscaMetadata.put(JsonPresentationFields.RESOURCE_VENDOR.getPresentation(), resource.getVendorName());
+                toscaMetadata.put(JsonPresentationFields.TENANT.getPresentation(), resource.getTenant());
                 toscaMetadata.put(JsonPresentationFields.RESOURCE_VENDOR_RELEASE.getPresentation(), resource.getVendorRelease());
                 toscaMetadata.put(JsonPresentationFields.RESOURCE_VENDOR_MODEL_NUMBER.getPresentation(), resource.getResourceVendorModelNumber());
                 break;
diff --git a/catalog-be/src/main/resources/config/error-configuration.yaml b/catalog-be/src/main/resources/config/error-configuration.yaml
index 6bed75ef2e..c53efc21b1 100644
--- a/catalog-be/src/main/resources/config/error-configuration.yaml
+++ b/catalog-be/src/main/resources/config/error-configuration.yaml
@@ -2822,6 +2822,14 @@ errors:
         message: "Capability '%1' not found in '%2' '%3'."
         messageId: "SVC4186"
 
+
+#---------SVC4950-----------------------------
+    MISSING_TENANT_NAME: {
+        code: 400,
+        message: "Error: Missing Tenant name.",
+        messageId: "SVC4950"
+        }
+
     #---------SVC4001------------------------------
     NOT_PERMITTED_SPECIAL_CHARS: {
         code: 406,
diff --git a/catalog-be/src/main/webapp/WEB-INF/keycloak.json b/catalog-be/src/main/webapp/WEB-INF/keycloak.json
new file mode 100644
index 0000000000..d037661aec
--- /dev/null
+++ b/catalog-be/src/main/webapp/WEB-INF/keycloak.json
@@ -0,0 +1,11 @@
+{
+"realm": "sdc",
+"auth-server-url": "http://10.32.243.37:31613/",
+"ssl-required": "external",
+"resource": "sdc-app",
+"public-client":true,
+"bearer-only":true,
+"use-resource-role-mappings": true,
+"principal-attribute":"preferred_username",
+"confidential-port": 0
+}
diff --git a/catalog-be/src/main/webapp/WEB-INF/web.xml b/catalog-be/src/main/webapp/WEB-INF/web.xml
index 9761b38043..8bd981164c 100644
--- a/catalog-be/src/main/webapp/WEB-INF/web.xml
+++ b/catalog-be/src/main/webapp/WEB-INF/web.xml
@@ -163,6 +163,18 @@
         <url-pattern>/sdc/*</url-pattern>
     </filter-mapping>
 
+    <filter>
+        <filter-name>MultitenancyFilter</filter-name>
+        <filter-class>org.openecomp.sdc.be.filters.MultitenancyFilter</filter-class>
+    </filter>
+    <filter-mapping>
+        <filter-name>MultitenancyFilter</filter-name>
+        <url-pattern>/keycloak/*</url-pattern>
+        <url-pattern>/sdc2/rest/v1/catalog/resources/*</url-pattern>
+        <url-pattern>/sdc2/rest/v1/catalog/services/*</url-pattern>
+        <url-pattern> /sdc2/rest/v1/followed</url-pattern>
+    </filter-mapping>
+
     <error-page>
         <exception-type>java.lang.RuntimeException</exception-type>
         <location>/sdc2/rest/v1/catalog/handleException/</location>