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/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2017 AT&T 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.onap.dmaap.dbcapi.service;
import static com.att.eelf.configuration.Configuration.MDC_KEY_REQUEST_ID;
import static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME;
import org.onap.dmaap.dbcapi.aaf.DmaapPerm;
import org.onap.dmaap.dbcapi.authentication.ApiPolicy;
import org.onap.dmaap.dbcapi.authentication.AuthenticationErrorException;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
import org.onap.dmaap.dbcapi.model.ApiError;
import org.onap.dmaap.dbcapi.model.Dmaap;
import org.onap.dmaap.dbcapi.util.DmaapConfig;
import org.onap.dmaap.dbcapi.util.RandomString;
import org.slf4j.MDC;
public class ApiService extends BaseLoggingClass {
private String apiNamespace;
private String uri;
private String uriPath;
private String method;
private String authorization;
private String requestId;
private ApiError err;
private ApiPolicy apiPolicy;
private CredentialsParser credentialsParser = new CredentialsParser();
public ApiService() {
err = new ApiError();
requestId = (new RandomString(10)).nextString();
if (apiNamespace == null) {
DmaapConfig p = (DmaapConfig) DmaapConfig.getConfig();
apiNamespace = p.getProperty("ApiNamespace", "org.openecomp.dmaapBC.api");
logger.info("config param usePE has been deprecated. Use ApiPermission.Class property instead.");
}
apiPolicy = new ApiPolicy();
logger.info("apiNamespace=" + apiNamespace);
}
public ApiService setAuth(String auth) {
this.authorization = auth;
logger.info("setAuth: authorization={} ", authorization);
return this;
}
private void setServiceName() {
String svcRequest = new String(this.method + " " + this.uriPath);
MDC.put(MDC_SERVICE_NAME, svcRequest);
}
public ApiService setHttpMethod(String httpMethod) {
this.method = httpMethod;
logger.info("setHttpMethod: method={} ", method);
setServiceName();
return this;
}
public ApiService setUriPath(String uriPath) {
this.uriPath = uriPath;
this.uri = setUriFromPath(uriPath);
logger.info("setUriPath: uriPath={} uri={}", uriPath, uri);
setServiceName();
return this;
}
private String setUriFromPath(String uriPath) {
int ch = uriPath.indexOf("/");
if (ch > 0) {
return ((String) uriPath.subSequence(0, ch));
} else {
return uriPath;
}
}
public ApiError getErr() {
return err;
}
public void checkAuthorization() throws Exception {
MDC.put(MDC_KEY_REQUEST_ID, requestId);
logger.info("request: uri={} method={} auth={}", uri, method, authorization);
if (uri == null || uri.isEmpty()) {
String errmsg = "No URI value provided ";
err.setMessage(errmsg);
logger.info(errmsg);
throw new AuthenticationErrorException();
}
if (method == null || method.isEmpty()) {
String errmsg = "No method value provided ";
err.setMessage(errmsg);
logger.info(errmsg);
throw new AuthenticationErrorException();
}
DmaapService dmaapService = new DmaapService();
Dmaap dmaap = dmaapService.getDmaap();
String env = dmaap.getDmaapName();
// special case during bootstrap of app when DMaaP environment may not be set.
// this allows us to authorize certain APIs used for initialization during this window.
if (env == null || env.isEmpty()) {
env = "boot";
}
if (!apiPolicy.isPermissionClassSet()) {
return; // skip authorization if not enabled
}
Credentials credentials = credentialsParser.parse(authorization);
try {
DmaapPerm p = new DmaapPerm(apiNamespace + "." + uri, env, method);
apiPolicy.check(credentials.getId(), credentials.getPwd(), p);
} catch (AuthenticationErrorException ae) {
String errmsg =
"User " + credentials.getId() + " failed authentication/authorization for " + apiNamespace + "." + uriPath + " " + env
+ " " + method;
logger.info(errmsg);
err.setMessage(errmsg);
throw ae;
}
}
public ApiService setRequestId(String requestId) {
if (requestId == null || requestId.isEmpty()) {
this.requestId = (new RandomString(10)).nextString();
logger.warn("X-ECOMP-RequestID not set in HTTP Header. Setting RequestId value to: " + this.requestId);
} else {
this.requestId = requestId;
}
MDC.put(MDC_KEY_REQUEST_ID, this.requestId);
return this;
}
}
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