Add DCR integration tests

modules/integration/tests-integration/tests-backend/pom.xml

@@ -98,6 +98,12 @@
                                     <name>usedefaultlisteners</name>
                                     <value>false</value>
                                 </property>
+                                <property>
+                                    <name>registration.requests.location</name>
+                                    <value>
+                                        ${basedir}/src/test/resources/registration-requests/
+                                    </value>
+                                </property>
                                 <sec.verifier.dir>${basedir}/target/security-verifier/</sec.verifier.dir>
                                 <emma.home>${basedir}/target/emma</emma.home>
                                 <instr.file>${basedir}/src/test/resources/instrumentation.txt</instr.file>

modules/integration/tests-integration/tests-backend/src/test/java/org/wso2/identity/integration/test/oauth2/dcrm/api/FAPIDCRValidationsTestCase.java

@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2023, WSO2 LLC. (https://www.wso2.com) All Rights Reserved.
+ *
+ * WSO2 LLC. licenses this file to you 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.
+ */
+package org.wso2.identity.integration.test.oauth2.dcrm.api;
+
+import org.apache.http.HttpHeaders;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClients;
+import org.json.simple.JSONObject;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Factory;
+import org.testng.annotations.Test;
+import org.wso2.carbon.automation.engine.context.AutomationContext;
+import org.wso2.carbon.automation.engine.context.TestUserMode;
+import org.wso2.carbon.integration.common.utils.mgt.ServerConfigurationManager;
+import org.wso2.identity.integration.common.utils.ISIntegrationTest;
+import org.wso2.identity.integration.test.oauth2.dcrm.api.util.DCRUtils;
+import org.wso2.identity.integration.test.oauth2.dcrm.api.util.OAuthDCRMConstants;
+import org.wso2.identity.integration.test.util.Utils;
+
+import java.io.File;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNotNull;
+
+/**
+ * FAPI validation test case for the DCR flow
+ */
+public class FAPIDCRValidationsTestCase extends ISIntegrationTest {
+
+    private HttpClient client;
+    private String client_id;
+    private String username;
+    private String password;
+    private String tenant;
+    private ServerConfigurationManager serverConfigurationManager;
+
+    @Factory(dataProvider = "dcrmConfigProvider")
+    public FAPIDCRValidationsTestCase(TestUserMode userMode) throws Exception {
+
+        AutomationContext context = new AutomationContext("IDENTITY", userMode);
+        this.username = context.getContextTenant().getTenantAdmin().getUserName();
+        this.password = context.getContextTenant().getTenantAdmin().getPassword();
+        this.tenant = context.getContextTenant().getDomain();
+
+    }
+
+    @DataProvider(name = "dcrmConfigProvider")
+    public static Object[][] dcrmConfigProvider() {
+
+        return new Object[][]{{TestUserMode.SUPER_TENANT_ADMIN}, {TestUserMode.TENANT_ADMIN}};
+    }
+
+    @BeforeClass(alwaysRun = true)
+    public void testInit() throws Exception {
+
+        super.init();
+        client = HttpClients.createDefault();
+        changeISConfiguration();
+    }
+
+    @DataProvider(name = "dcrConfigProvider")
+    private static Object[][] dcrConfigProvider() throws Exception {
+
+        String INVALID_CLIENT_METADATA = "invalid_client_metadata";
+        String INVALID_SOFTWARE_STATEMENT = "invalid_software_statement";
+        return new Object[][]{
+                {
+                        DCRUtils.getRegisterRequestJSON("request1.json"), INVALID_CLIENT_METADATA,
+                        "Invalid token endpoint authentication method requested."
+                },
+                {
+                        DCRUtils.getRegisterRequestJSON("request2.json"), INVALID_CLIENT_METADATA,
+                        "Invalid signature algorithm requested"
+                },
+                {
+                        DCRUtils.getRegisterRequestJSON("request3.json"), INVALID_CLIENT_METADATA,
+                        "Invalid encryption algorithm requested"
+                },
+                {
+                        DCRUtils.getRegisterRequestJSON("request4.json"), INVALID_CLIENT_METADATA,
+                        "Sector identifier URI is needed for PPID calculation"
+                },
+                {
+                        DCRUtils.getRegisterRequestJSON("request5.json"), INVALID_CLIENT_METADATA,
+                        "Redirect URI missing in sector identifier URI set"
+                },
+                {
+                        DCRUtils.getRegisterRequestJSON("request8.json"), INVALID_SOFTWARE_STATEMENT,
+                        "Signature validation failed for the software statement"
+                }
+        };
+    }
+
+    private void changeISConfiguration() throws Exception {
+
+        log.info("Adding entity id of SSOService to deployment.toml file");
+        String carbonHome = Utils.getResidentCarbonHome();
+        File defaultConfigFile = getDeploymentTomlFile(carbonHome);
+        File configuredIdentityXML = new File(getISResourceLocation() + File.separator + "oauth"
+                + File.separator + "dcr-fapi-validation-enabled.toml");
+        serverConfigurationManager = new ServerConfigurationManager(isServer);
+        serverConfigurationManager.applyConfigurationWithoutRestart(configuredIdentityXML,
+                defaultConfigFile, true);
+        serverConfigurationManager.restartGracefully();
+    }
+
+    @Test(alwaysRun = true, groups = "wso2.is", priority = 1,
+            description = "Check FAPI validations, PPID and SSA during DCR", dataProvider = "dcrConfigProvider")
+    public void validateErrorScenarios(JSONObject requestJSON, String errorCode, String errorMessage) throws Exception {
+
+        HttpPost request = new HttpPost(DCRUtils.getPath(tenant));
+        request.addHeader(HttpHeaders.AUTHORIZATION, DCRUtils.getAuthzHeader(username, password));
+        request.addHeader(HttpHeaders.CONTENT_TYPE, OAuthDCRMConstants.CONTENT_TYPE);
+        StringEntity entity = new StringEntity(requestJSON.toJSONString());
+        request.setEntity(entity);
+        HttpResponse response = client.execute(request);
+
+        assertEquals(response.getStatusLine().getStatusCode(), 400, "Service Provider " +
+                "should not be created successfully");
+        JSONObject errorResponse = DCRUtils.getPayload(response);
+        assertEquals(errorResponse.get("error"), errorCode);
+        assertEquals(errorResponse.get("error_description"), errorMessage);
+    }
+
+    @Test(alwaysRun = true, groups = "wso2.is", priority = 2,
+            description = "Check FAPI validations, PPID and SSA during DCR", dataProvider = "dcrConfigProvider")
+    public void validateErrorScenariosForDCRUpdate(JSONObject requestJSON, String errorCode, String errorMessage)
+            throws Exception {
+
+        // Create application.
+        HttpPost request = new HttpPost(DCRUtils.getPath(tenant));
+        JSONObject registerRequestJSON  = DCRUtils.getRegisterRequestJSON("request6.json");
+        // Removing sending sector identifier uri to validate error message during update request.
+        if (errorMessage.equals("Sector identifier URI is needed for PPID calculation")) {
+           registerRequestJSON.remove("sector_identifier_uri");
+        }
+        request.addHeader(HttpHeaders.AUTHORIZATION, DCRUtils.getAuthzHeader(username, password));
+        request.addHeader(HttpHeaders.CONTENT_TYPE, OAuthDCRMConstants.CONTENT_TYPE);
+        StringEntity entity = new StringEntity(registerRequestJSON.toJSONString());
+        request.setEntity(entity);
+
+        HttpResponse response = client.execute(request);
+        assertEquals(response.getStatusLine().getStatusCode(), 201, "Service Provider " +
+                "created successfully");
+        JSONObject createResponsePayload  = DCRUtils.getPayload(response);
+        client_id = ((JSONObject) createResponsePayload).get("client_id").toString();
+        assertNotNull(client_id, "client_id cannot be null");
+
+        // Check error scenarios for update request.
+        HttpPut updateRequest = new HttpPut(DCRUtils.getPath(tenant) + client_id);
+        updateRequest.addHeader(HttpHeaders.AUTHORIZATION, DCRUtils.getAuthzHeader(username, password));
+        updateRequest.addHeader(HttpHeaders.CONTENT_TYPE, OAuthDCRMConstants.CONTENT_TYPE);
+        entity = new StringEntity(requestJSON.toJSONString());
+        updateRequest.setEntity(entity);
+
+        HttpResponse updateResponse = client.execute(updateRequest);
+        assertEquals(updateResponse.getStatusLine().getStatusCode(), 400, "Service Provider should " +
+                "not be created successfully");
+        JSONObject errorResponse = DCRUtils.getPayload(updateResponse);
+        assertEquals(errorResponse.get("error"), errorCode);
+        assertEquals(errorResponse.get("error_description"), errorMessage);
+
+        // Delete application.
+        HttpDelete deleteRequest = new HttpDelete(DCRUtils.getPath(tenant) + client_id);
+        deleteRequest.addHeader(HttpHeaders.AUTHORIZATION, DCRUtils.getAuthzHeader(username, password));
+        HttpResponse deleteResponse = client.execute(deleteRequest);
+        assertEquals(deleteResponse.getStatusLine().getStatusCode(), 204, "Service provider " +
+                "deletion failed");
+    }
+}