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-rw-r--r--ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/config/PDPApiAuth.java278
1 files changed, 144 insertions, 134 deletions
diff --git a/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/config/PDPApiAuth.java b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/config/PDPApiAuth.java
index 1e3a41aeb..d06321d64 100644
--- a/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/config/PDPApiAuth.java
+++ b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/config/PDPApiAuth.java
@@ -27,7 +27,9 @@ import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64;
+import java.util.Collections;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
@@ -45,145 +47,153 @@ import org.onap.policy.xacml.api.XACMLErrorConstants;
import com.att.research.xacml.util.XACMLProperties;
public class PDPApiAuth {
- private static final Logger LOGGER = FlexLogger.getLogger(PDPApiAuth.class);
+ private static final Logger LOGGER = FlexLogger.getLogger(PDPApiAuth.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 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 Constructor
- }
+ private PDPApiAuth(){
+ // Private Constructor
+ }
- /*
- * Set Property by reading the properties File.
- */
- public static void setProperty() {
- environment = XACMLProperties.getProperty("ENVIRONMENT", "DEVL");
- String clientFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PEP_IDFILE);
- if(clientFile!=null){
- clientPath = Paths.get(clientFile);
- }
- try {
- aafClient = AAFPolicyClient.getInstance(XACMLProperties.getProperties());
- } catch (AAFPolicyException | IOException e) {
- LOGGER.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AAF Client Not instantiated properly.");
- }
- }
+ /*
+ * Set Property by reading the properties File.
+ */
+ public static void setProperty() {
+ environment = XACMLProperties.getProperty("ENVIRONMENT", "DEVL");
+ String clientFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PEP_IDFILE);
+ if(clientFile!=null){
+ clientPath = Paths.get(clientFile);
+ }
+ try {
+ aafClient = AAFPolicyClient.getInstance(XACMLProperties.getProperties());
+ } catch (AAFPolicyException | IOException e) {
+ LOGGER.error(MessageCodes.ERROR_SYSTEM_ERROR, e, "AAF Client Not instantiated properly.");
+ }
+ }
- /*
- * Return Environment value of the PDP servlet.
- */
- public static String getEnvironment() {
- if(environment==null){
- setProperty();
- }
- return environment;
- }
+ /*
+ * Return Environment value of the PDP servlet.
+ */
+ public static String getEnvironment() {
+ if(environment==null){
+ setProperty();
+ }
+ return environment;
+ }
- /*
- * Security check for authentication and authorizations.
- */
- public static boolean checkPermissions(String clientEncoding, String requestID,
- String resource) {
- 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{
- result = clientAuth(userNamePass);
- }catch(Exception e){
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
- }
- if(!result){
- String aafPolicyNameSpace = XACMLProperties.getProperty("policy.aaf.namespace");
- String aafResource = XACMLProperties.getProperty("policy.aaf.resource");
- if(!userNamePass[0].contains("@") && aafPolicyNameSpace!= null){
- userNamePass[0] = userNamePass[0] + "@" + aafPolicyNameSpace;
- }else{
- LOGGER.info("No AAF NameSpace specified in properties");
- }
- if(aafResource != null){
- resource = aafResource + resource;
- }else{
- LOGGER.info("No AAF Resource specified in properties");
- }
- LOGGER.info("Contacting AAF in : " + environment);
- result = aafClient.checkAuthPerm(userNamePass[0], userNamePass[1], resource, environment, ".*");
- }
- return result;
- }catch(Exception e){
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
- return false;
- }
- }
+ /*
+ * Security check for authentication and authorizations.
+ */
+ public static boolean checkPermissions(String clientEncoding, String requestID,
+ String resource) {
+ 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{
+ result = clientAuth(userNamePass);
+ }catch(Exception e){
+ LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
+ }
+ 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, "*");
+ }
+ return result;
+ }catch(Exception e){
+ LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
+ return false;
+ }
+ }
- private static Boolean clientAuth(String[] userNamePass){
- if(clientPath==null){
- setProperty();
- }
- if (!clientPath.toFile().exists()) {
- return false;
- }else if(clientPath.toString().endsWith(".properties")) {
- try {
- readProps(clientPath);
- if (clientMap.containsKey(userNamePass[0]) && clientMap.get(userNamePass[0]).get(0).equals(userNamePass[1])) {
- return true;
- }
- }catch(PolicyEngineException e){
- LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
- return false;
- }
- }
- return false;
- }
+ private static Boolean clientAuth(String[] userNamePass){
+ if(clientPath==null){
+ setProperty();
+ }
+ if (!clientPath.toFile().exists()) {
+ return false;
+ }else if(clientPath.toString().endsWith(".properties")) {
+ try {
+ readProps(clientPath);
+ if (clientMap.containsKey(userNamePass[0]) && clientMap.get(userNamePass[0]).get(0).equals(userNamePass[1])) {
+ return true;
+ }
+ }catch(PolicyEngineException e){
+ LOGGER.error(MessageCodes.ERROR_PERMISSIONS, e);
+ return false;
+ }
+ }
+ return false;
+ }
- private static Map<String, ArrayList<String>> readProps(Path clientPath) throws PolicyEngineException{
- if(oldModified!=null){
- Long newModified = clientPath.toFile().lastModified();
- if (newModified == oldModified) {
- return clientMap;
- }
- }
- InputStream in;
- Properties clientProp = new Properties();
- try {
- in = new FileInputStream(clientPath.toFile());
- clientProp.load(in);
- } catch (IOException e) {
- LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR , e);
- throw new PolicyEngineException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Load the Properties file", e);
- }
- // Read the Properties and Load the Clients and their scopes.
- clientMap = new HashMap<>();
- //
- for (Object propKey : clientProp.keySet()) {
- 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()){
- clientMap.put(clientID, clientValues);
- }
- }
- }
- if (clientMap.isEmpty()) {
- LOGGER.debug(XACMLErrorConstants.ERROR_PERMISSIONS + "No Clients ID , Client Key and Scopes are available. Cannot serve any Clients !!");
- throw new PolicyEngineException("Empty Client file");
- }
- oldModified = clientPath.toFile().lastModified();
- return clientMap;
- }
+ 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) {
+ return clientMap;
+ }
+ }
+ InputStream in;
+ Properties clientProp = new Properties();
+ try {
+ in = new FileInputStream(clientPath.toFile());
+ clientProp.load(in);
+ } catch (IOException e) {
+ LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR , e);
+ throw new PolicyEngineException(XACMLErrorConstants.ERROR_SYSTEM_ERROR +"Cannot Load the Properties file", e);
+ }
+ // Read the Properties and Load the Clients and their scopes.
+ clientMap = new HashMap<>();
+ //
+ for (Object propKey : clientProp.keySet()) {
+ 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()){
+ clientMap.put(clientID, clientValues);
+ }
+ }
+ }
+ if (clientMap.isEmpty()) {
+ LOGGER.debug(XACMLErrorConstants.ERROR_PERMISSIONS + "No Clients ID , Client Key and Scopes are available. Cannot serve any Clients !!");
+ throw new PolicyEngineException("Empty Client file");
+ }
+ oldModified = clientPath.toFile().lastModified();
+ return clientMap;
+ }
} \ No newline at end of file