* ============LICENSE_START=======================================================
* ONAP-PDP-REST
* ================================================================================
- * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017,2019 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.
* ============LICENSE_END=========================================================
*/
-package org.onap.policy.pdp.rest.config;
+package org.onap.policy.pdp.rest.restauth;
import com.att.research.xacml.util.XACMLProperties;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
+import javax.servlet.ServletRequest;
+import org.apache.commons.lang3.StringUtils;
import org.onap.policy.api.PolicyEngineException;
import org.onap.policy.common.logging.eelf.MessageCodes;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.utils.PolicyUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
-public class PDPApiAuth {
- private static final Logger LOGGER = FlexLogger.getLogger(PDPApiAuth.class);
-
+public class AuthenticationService {
+ private static final Logger LOGGER = FlexLogger.getLogger(AuthenticationService.class);
private static String environment = null;
private static Path clientPath = null;
private static Map<String, ArrayList<String>> clientMap = null;
private static Long oldModified = null;
private static AAFPolicyClient aafClient = null;
- private PDPApiAuth() {
+ private AuthenticationService() {
// Private Constructor
}
/*
* Set Property by reading the properties File.
*/
- public static void setProperty() {
+ private static void setProperty() {
environment = XACMLProperties.getProperty("ENVIRONMENT", "DEVL");
String clientFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PEP_IDFILE);
if (clientFile != null) {
}
}
- /*
- * Return Environment value of the PDP servlet.
+ /**
+ * Gets the environment.
+ *
+ * @return the environment
*/
public static String getEnvironment() {
if (environment == null) {
return environment;
}
- /*
+ private static String reverseNamespace(String namespace) {
+ final List<String> components = Arrays.asList(namespace.split("\\."));
+ Collections.reverse(components);
+ return String.join(".", components);
+ }
+
+ /**
* Security check for authentication and authorizations.
+ *
+ * @param clientAuthHeader the client auth header
+ * @param authHeader the auth header
+ * @param resource the resource
+ * @param env the env
+ * @return true, if successful
*/
- public static boolean checkPermissions(String clientEncoding, String requestID, String resource) {
+ public static boolean checkPermissions(String clientAuthHeader, String authHeader, String resource, String env,
+ ServletRequest request) {
+ boolean result = false;
+ // check whether env matches
+ result = checkEnv(env);
+ if (!result) {
+ LOGGER.info(XACMLErrorConstants.ERROR_PERMISSIONS + " invalid Environment Header");
+ return result;
+ }
+ // decode the user/pwd from the request header
+ String[] userNamePass = getUserInfo(authHeader, clientAuthHeader);
+
try {
- String[] userNamePass = PolicyUtils.decodeBasicEncoding(clientEncoding);
- if (userNamePass == null || userNamePass.length == 0) {
- String usernameAndPassword = null;
- byte[] decodedBytes = Base64.getDecoder().decode(clientEncoding);
- usernameAndPassword = new String(decodedBytes, "UTF-8");
- StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
- String username = tokenizer.nextToken();
- String password = tokenizer.nextToken();
- userNamePass = new String[] {username, password};
- }
- LOGGER.info("User " + userNamePass[0] + " is Accessing Policy Engine API.");
- Boolean result = false;
// Check Backward Compatibility.
- try {
- /*
- * If AAF is NOT enabled in the properties we will allow the user to continue to use the
- * client.properties file to authenticate. Note: Disabling AAF is for testing purposes and not intended
- * for production.
- */
- if ("false".equals(XACMLProperties.getProperty("enable_aaf"))) {
- result = clientAuth(userNamePass);
- }
- } catch (Exception e) {
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
+ request.setAttribute("Mechid", "");
+ result = false;
+ /*
+ * If AAF is NOT enabled in the properties we will allow the user to continue to use the client.properties
+ * file to authenticate. Note: Disabling AAF is for testing purposes and not intended for production.
+ */
+ if ("false".equals(XACMLProperties.getProperty("enable_aaf"))) {
+ result = clientAuth(userNamePass);
}
if (!result) {
- String aafPolicyNameSpace = XACMLProperties.getProperty("policy.aaf.namespace");
- String aafResource = XACMLProperties.getProperty("policy.aaf.root.permission");
- String type = null;
- if (!userNamePass[0].contains("@") && aafPolicyNameSpace != null) {
- userNamePass[0] = userNamePass[0] + "@" + reverseNamespace(aafPolicyNameSpace);
- } else {
- LOGGER.info("No AAF NameSpace specified in properties");
- }
- if (aafResource != null) {
- type = aafResource + "." + resource;
- } else {
- LOGGER.warn("No AAF Resource specified in properties");
- return false;
- }
- LOGGER.info("Contacting AAF in : " + environment);
- result = aafClient.checkAuthPerm(userNamePass[0], userNamePass[1], type, environment, "*");
+ result = aafAuth(userNamePass, resource);
+ request.setAttribute("Mechid", userNamePass[0]);
+ }
+ } catch (Exception e) {
+ LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
+ result = false;
+ }
+ return result;
+
+ }
+
+ private static boolean checkEnv(String env) {
+ if (StringUtils.isBlank(env)) {
+ // must be old type of req
+ return true;
+ } else {
+ return env.trim().equalsIgnoreCase(getEnvironment());
+ }
+
+ }
+
+ private static boolean aafAuth(String[] userNamePass, String resource) {
+ boolean result = false;
+ String permission = getPermission(resource);
+ try {
+ String aafPolicyNameSpace = XACMLProperties.getProperty("policy.aaf.namespace");
+ if (!userNamePass[0].contains("@") && aafPolicyNameSpace != null) {
+ userNamePass[0] = userNamePass[0] + "@" + reverseNamespace(aafPolicyNameSpace);
+ } else {
+ LOGGER.info("No AAF NameSpace specified in properties");
}
+
+ LOGGER.info("Contacting AAF in : " + environment);
+ result = aafClient.checkAuthPerm(userNamePass[0], userNamePass[1], permission, environment, "*");
+
return result;
} catch (Exception e) {
LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
}
}
+ private static String getPermission(String resource) {
+ String aafResource = XACMLProperties.getProperty("policy.aaf.root.permission");
+ String perm = resource;
+ if (StringUtils.containsIgnoreCase(perm, "Notification")) {
+ perm = "notification";
+ } else if (StringUtils.containsIgnoreCase(perm, "heartbeat")) {
+ perm = "notification";
+ } else if (StringUtils.containsIgnoreCase(perm, "createDictionary")) {
+ perm = "createDictionary";
+ } else if (StringUtils.containsIgnoreCase(perm, "updateDictionary")) {
+ perm = "updateDictionary";
+ } else if (StringUtils.containsIgnoreCase(perm, "getDictionary")) {
+ perm = "getDictionary";
+ } else if (StringUtils.containsIgnoreCase(perm, "create")) {
+ perm = "createPolicy";
+ } else if (StringUtils.containsIgnoreCase(perm, "update")) {
+ perm = "updatePolicy";
+ }
+
+ if (!StringUtils.isBlank(aafResource)) {
+ perm = aafResource + "." + perm;
+ } else {
+ LOGGER.info("No AAF Resource specified in properties");
+ }
+ return perm;
+ }
+
private static Boolean clientAuth(String[] userNamePass) {
if (clientPath == null) {
setProperty();
return false;
}
- private static String reverseNamespace(String namespace) {
- final List<String> components = Arrays.asList(namespace.split("\\."));
- Collections.reverse(components);
- return String.join(".", components);
- }
-
private static Map<String, ArrayList<String>> readProps(Path clientPath) throws PolicyEngineException {
if (oldModified != null) {
Long newModified = clientPath.toFile().lastModified();
- if (newModified == oldModified) {
+ if (oldModified.equals(newModified)) {
return clientMap;
}
}
- InputStream in;
+
Properties clientProp = new Properties();
- try {
- in = new FileInputStream(clientPath.toFile());
+ try (InputStream in = new FileInputStream(clientPath.toFile())) {
clientProp.load(in);
} catch (IOException e) {
LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR, e);
clientMap = new HashMap<>();
//
for (Object propKey : clientProp.keySet()) {
- String clientID = (String) propKey;
- String clientValue = clientProp.getProperty(clientID);
+ String clientId = (String) propKey;
+ String clientValue = clientProp.getProperty(clientId);
if (clientValue != null && clientValue.contains(",")) {
ArrayList<String> clientValues = new ArrayList<>(Arrays.asList(clientValue.split("\\s*,\\s*")));
- if (clientValues.get(0) != null || clientValues.get(1) != null || clientValues.get(0).isEmpty()
- || clientValues.get(1).isEmpty()) {
+ if (!StringUtils.isBlank(clientValues.get(0))) {
clientValues.set(0, PeCryptoUtils.decrypt(clientValues.get(0)));
- clientMap.put(clientID, clientValues);
+ clientMap.put(clientId, clientValues);
}
}
}
oldModified = clientPath.toFile().lastModified();
return clientMap;
}
+
+ private static String[] getUserInfo(final String authHeader, final String clientAuthHeader) {
+ String userInfo = authHeader;
+ if (!StringUtils.isBlank(clientAuthHeader)) {
+ userInfo = clientAuthHeader;
+ }
+
+ String[] userNamePass = null;
+
+ try {
+ userNamePass = PolicyUtils.decodeBasicEncoding(userInfo);
+ if (userNamePass == null || userNamePass.length == 0) {
+ String usernameAndPassword = null;
+ byte[] decodedBytes = Base64.getDecoder().decode(userInfo);
+ usernameAndPassword = new String(decodedBytes, StandardCharsets.UTF_8);
+ StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, ":");
+ String username = tokenizer.nextToken();
+ String password = tokenizer.nextToken();
+ userNamePass = new String[] {username, password};
+ }
+ LOGGER.info("User " + userNamePass[0] + " is Accessing Policy Engine API - ");
+ } catch (Exception e) {
+ LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
+ return new String[0];
+ }
+ return userNamePass;
+ }
+
}