Update Master to include jar folder.

This will put jar folder form separate branch into this where it
belongs and we can build properly for beijing. Cassablanca will
have a parent pom approach.

Change-Id: Ieae3fce5ab42faddf4964285533fdc59d8b963de
Issue-ID: MUSIC-79
Signed-off-by: Thomas Nelson Jr (arthurdent3) tn1381@att.com <tn1381@att.com>

1 files changed, 420 insertions, 0 deletions

diff --git a/jar/src/main/java/org/onap/music/main/CachingUtil.java b/jar/src/main/java/org/onap/music/main/CachingUtil.java
new file mode 100755
index 00000000..aa06aae2
--- /dev/null
+++ b/jar/src/main/java/org/onap/music/main/CachingUtil.java
@@ -0,0 +1,420 @@
+/*
+ * ============LICENSE_START==========================================
+ * org.onap.music
+ * ===================================================================
+ *  Copyright (c) 2017 AT&T Intellectual Property
+ * ===================================================================
+ *  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.music.main;
+
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.UUID;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.jcs.JCS;
+import org.apache.commons.jcs.access.CacheAccess;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.mindrot.jbcrypt.BCrypt;
+import org.onap.music.datastore.PreparedQueryObject;
+import org.onap.music.datastore.jsonobjects.AAFResponse;
+import org.onap.music.eelf.logging.EELFLoggerDelegate;
+import org.onap.music.eelf.logging.format.AppMessages;
+import org.onap.music.eelf.logging.format.ErrorSeverity;
+import org.onap.music.eelf.logging.format.ErrorTypes;
+import org.onap.music.exceptions.MusicServiceException;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.datastax.driver.core.DataType;
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Row;
+import com.datastax.driver.core.exceptions.InvalidQueryException;
+import com.sun.jersey.api.client.Client;
+import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.WebResource;
+
+/**
+ * All Caching related logic is handled by this class and a schedule cron runs to update cache.
+ * 
+ * @author Vikram
+ *
+ */
+public class CachingUtil implements Runnable {
+
+    private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(CachingUtil.class);
+
+    private static CacheAccess<String, String> musicCache = JCS.getInstance("musicCache");
+    private static CacheAccess<String, Map<String, String>> aafCache = JCS.getInstance("aafCache");
+    private static CacheAccess<String, String> appNameCache = JCS.getInstance("appNameCache");
+    private static CacheAccess<String, Map<String, String>> musicValidateCache = JCS.getInstance("musicValidateCache");
+    private static Map<String, Number> userAttempts = new HashMap<>();
+    private static Map<String, Calendar> lastFailedTime = new HashMap<>();
+
+    public boolean isCacheRefreshNeeded() {
+        if (aafCache.get("initBlankMap") == null)
+            return true;
+        return false;
+    }
+
+    public void initializeMusicCache() {
+        logger.info(EELFLoggerDelegate.applicationLogger,"Initializing Music Cache...");
+        musicCache.put("isInitialized", "true");
+    }
+
+    public void initializeAafCache() throws MusicServiceException {
+        logger.info(EELFLoggerDelegate.applicationLogger,"Resetting and initializing AAF Cache...");
+
+        String query = "SELECT uuid, application_name, keyspace_name, username, password FROM admin.keyspace_master WHERE is_api = ? allow filtering";
+        PreparedQueryObject pQuery = new PreparedQueryObject();
+        pQuery.appendQueryString(query);
+        try {
+            pQuery.addValue(MusicUtil.convertToActualDataType(DataType.cboolean(), false));
+        } catch (Exception e1) {
+            logger.error(EELFLoggerDelegate.errorLogger, e1.getMessage(),AppMessages.CACHEERROR, ErrorSeverity.CRITICAL, ErrorTypes.GENERALSERVICEERROR);
+            e1.printStackTrace();
+        }
+        ResultSet rs = MusicCore.get(pQuery);
+        Iterator<Row> it = rs.iterator();
+        Map<String, String> map = null;
+        while (it.hasNext()) {
+            Row row = it.next();
+            String nameSpace = row.getString("keyspace_name");
+            String userId = row.getString("username");
+            String password = row.getString("password");
+            String keySpace = row.getString("application_name");
+            try {
+                userAttempts.put(nameSpace, 0);
+                AAFResponse responseObj = triggerAAF(nameSpace, userId, password);
+                if (responseObj.getNs().size() > 0) {
+                    map = new HashMap<>();
+                    map.put(userId, password);
+                    aafCache.put(nameSpace, map);
+                    musicCache.put(keySpace, nameSpace);
+                    logger.debug("Cronjob: Cache Updated with AAF response for namespace "
+                                    + nameSpace);
+                }
+            } catch (Exception e) {
+                logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.INFO, ErrorTypes.GENERALSERVICEERROR);
+                logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),"Something at AAF was changed for ns: " + nameSpace+" So not updating Cache for the namespace. ");
+                e.printStackTrace();
+            }
+        }
+
+    }
+
+    @Override
+    public void run() {
+    	logger.info(EELFLoggerDelegate.applicationLogger,"Scheduled task invoked. Refreshing Cache...");
+        try {
+			initializeAafCache();
+		} catch (MusicServiceException e) {
+			logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.INFO, ErrorTypes.GENERALSERVICEERROR);
+		}
+    }
+
+    public static boolean authenticateAAFUser(String nameSpace, String userId, String password,
+                    String keySpace) throws Exception {
+
+        if (aafCache.get(nameSpace) != null) {
+            if (keySpace != null && !musicCache.get(keySpace).equals(nameSpace)) {
+            	logger.info(EELFLoggerDelegate.applicationLogger,"Create new application for the same namespace.");
+            } else if (aafCache.get(nameSpace).get(userId).equals(password)) {
+            	logger.info(EELFLoggerDelegate.applicationLogger,"Authenticated with cache value..");
+                // reset invalid attempts to 0
+                userAttempts.put(nameSpace, 0);
+                return true;
+            } else {
+                // call AAF update cache with new password
+                if (userAttempts.get(nameSpace) == null)
+                    userAttempts.put(nameSpace, 0);
+                if ((Integer) userAttempts.get(nameSpace) >= 3) {
+                    logger.info(EELFLoggerDelegate.applicationLogger,"Reached max attempts. Checking if time out..");
+                    logger.info(EELFLoggerDelegate.applicationLogger,"Failed time: "+lastFailedTime.get(nameSpace).getTime());
+                    Calendar calendar = Calendar.getInstance();
+                    long delayTime = (calendar.getTimeInMillis()-lastFailedTime.get(nameSpace).getTimeInMillis());
+                    logger.info(EELFLoggerDelegate.applicationLogger,"Delayed time: "+delayTime);
+                    if( delayTime > 120000) {
+                        logger.info(EELFLoggerDelegate.applicationLogger,"Resetting failed attempt.");
+                        userAttempts.put(nameSpace, 0);
+                    } else {
+                    	logger.info(EELFLoggerDelegate.applicationLogger,"No more attempts allowed. Please wait for atleast 2 min.");
+                        throw new Exception("No more attempts allowed. Please wait for atleast 2 min.");
+                    }
+                }
+                logger.error(EELFLoggerDelegate.errorLogger,"",AppMessages.CACHEAUTHENTICATION,ErrorSeverity.WARN, ErrorTypes.GENERALSERVICEERROR);
+                logger.info(EELFLoggerDelegate.applicationLogger,"Check AAF again...");
+            }
+        }
+
+        AAFResponse responseObj = triggerAAF(nameSpace, userId, password);
+        if (responseObj.getNs().size() > 0) {
+            if (responseObj.getNs().get(0).getAdmin().contains(userId)) {
+            	//Map<String, String> map = new HashMap<>();
+                //map.put(userId, password);
+                //aafCache.put(nameSpace, map);
+            	return true;
+            }
+        }
+        logger.info(EELFLoggerDelegate.applicationLogger,"Invalid user. Cache not updated");
+        return false;
+    }
+
+    private static AAFResponse triggerAAF(String nameSpace, String userId, String password)
+                    throws Exception {
+        if (MusicUtil.getAafEndpointUrl() == null) {
+        	logger.error(EELFLoggerDelegate.errorLogger,"",AppMessages.UNKNOWNERROR,ErrorSeverity.WARN, ErrorTypes.GENERALSERVICEERROR);
+            throw new Exception("AAF endpoint is not set. Please specify in the properties file.");
+        }
+        Client client = Client.create();
+        // WebResource webResource =
+        // client.resource("https://aaftest.test.att.com:8095/proxy/authz/nss/"+nameSpace);
+        WebResource webResource = client.resource(MusicUtil.getAafEndpointUrl().concat(nameSpace));
+        String plainCreds = userId + ":" + password;
+        byte[] plainCredsBytes = plainCreds.getBytes();
+        byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes);
+        String base64Creds = new String(base64CredsBytes);
+
+        ClientResponse response = webResource.accept(MediaType.APPLICATION_JSON)
+                        .header("Authorization", "Basic " + base64Creds)
+                        .header("content-type", "application/json").get(ClientResponse.class);
+        if (response.getStatus() != 200) {
+            if (userAttempts.get(nameSpace) == null)
+                userAttempts.put(nameSpace, 0);
+            if ((Integer) userAttempts.get(nameSpace) >= 2) {
+                lastFailedTime.put(nameSpace, Calendar.getInstance());
+                userAttempts.put(nameSpace, ((Integer) userAttempts.get(nameSpace) + 1));
+                throw new Exception(
+                                "Reached max invalid attempts. Please contact admin and retry with valid credentials.");
+            }
+            userAttempts.put(nameSpace, ((Integer) userAttempts.get(nameSpace) + 1));
+            throw new Exception(
+                            "Unable to authenticate. Please check the AAF credentials against namespace.");
+            // TODO Allow for 2-3 times and forbid any attempt to trigger AAF with invalid values
+            // for specific time.
+        }
+        response.getHeaders().put(HttpHeaders.CONTENT_TYPE,
+                        Arrays.asList(MediaType.APPLICATION_JSON));
+        // AAFResponse output = response.getEntity(AAFResponse.class);
+        response.bufferEntity();
+        String x = response.getEntity(String.class);
+        AAFResponse responseObj = new ObjectMapper().readValue(x, AAFResponse.class);
+        
+        return responseObj;
+    }
+
+    public static void updateMusicCache(String keyspace, String nameSpace) {
+        logger.info(EELFLoggerDelegate.applicationLogger,"Updating musicCache for keyspace " + keyspace + " with nameSpace " + nameSpace);
+        musicCache.put(keyspace, nameSpace);
+    }
+
+    public static void updateMusicValidateCache(String nameSpace, String userId, String password) {
+        logger.info(EELFLoggerDelegate.applicationLogger,"Updating musicCache for nameSpacce " + nameSpace + " with userId " + userId);
+        Map<String, String> map = new HashMap<>();
+        map.put(userId, password);
+        musicValidateCache.put(nameSpace, map);
+    }
+    
+    public static void updateisAAFCache(String namespace, String isAAF) {
+        appNameCache.put(namespace, isAAF);
+    }
+
+    public static String isAAFApplication(String namespace) throws MusicServiceException {
+        String isAAF = appNameCache.get(namespace);
+        if (isAAF == null) {
+            PreparedQueryObject pQuery = new PreparedQueryObject();
+            pQuery.appendQueryString(
+                            "SELECT is_aaf from admin.keyspace_master where application_name = '"
+                                            + namespace + "' allow filtering");
+            Row rs = null;
+            try {
+                rs = MusicCore.get(pQuery).one();
+            } catch(InvalidQueryException e) {
+                logger.error(EELFLoggerDelegate.errorLogger,"Exception admin keyspace not configured."+e.getMessage());
+                throw new MusicServiceException("Please make sure admin.keyspace_master table is configured.");
+            }
+            try {
+                isAAF = String.valueOf(rs.getBool("is_aaf"));
+                if(isAAF != null)
+                    appNameCache.put(namespace, isAAF);
+            } catch (Exception e) {
+            	logger.error(EELFLoggerDelegate.errorLogger,  e.getMessage(), AppMessages.QUERYERROR,ErrorSeverity.ERROR, ErrorTypes.QUERYERROR);
+            	e.printStackTrace();
+            }
+        }
+        return isAAF;
+    }
+
+    public static String getUuidFromMusicCache(String keyspace) throws MusicServiceException {
+        String uuid = null;
+        if (uuid == null) {
+            PreparedQueryObject pQuery = new PreparedQueryObject();
+            pQuery.appendQueryString(
+                            "SELECT uuid from admin.keyspace_master where keyspace_name = '"
+                                            + keyspace + "' allow filtering");
+            Row rs = MusicCore.get(pQuery).one();
+            try {
+                uuid = rs.getUUID("uuid").toString();
+            } catch (Exception e) {
+                logger.error(EELFLoggerDelegate.errorLogger,"Exception occured during uuid retrieval from DB."+e.getMessage());
+                e.printStackTrace();
+            }
+        }
+        return uuid;
+    }
+
+    public static String getAppName(String keyspace) throws MusicServiceException {
+        String appName = null;
+        PreparedQueryObject pQuery = new PreparedQueryObject();
+        pQuery.appendQueryString(
+                        "SELECT application_name from admin.keyspace_master where keyspace_name = '"
+                                        + keyspace + "' allow filtering");
+        Row rs = MusicCore.get(pQuery).one();
+        try {
+            appName = rs.getString("application_name");
+        } catch (Exception e) {
+        	logger.error(EELFLoggerDelegate.errorLogger,  e.getMessage(), AppMessages.QUERYERROR, ErrorSeverity.ERROR, ErrorTypes.QUERYERROR);
+            e.printStackTrace();
+        }
+        return appName;
+    }
+
+    public static String generateUUID() {
+        String uuid = UUID.randomUUID().toString();
+        logger.info(EELFLoggerDelegate.applicationLogger,"New AID generated: "+uuid);
+        return uuid;
+    }
+
+    public static Map<String, Object> validateRequest(String nameSpace, String userId,
+                    String password, String keyspace, String aid, String operation) {
+        Map<String, Object> resultMap = new HashMap<>();
+        if (!"createKeySpace".equals(operation)) {
+            if (nameSpace == null) {
+                resultMap.put("Exception", "Application namespace is mandatory.");
+            }
+        }
+        return resultMap;
+
+    }
+
+    public static Map<String, Object> verifyOnboarding(String ns, String userId, String password) {
+        Map<String, Object> resultMap = new HashMap<>();
+        if (ns == null || userId == null || password == null) {
+        	logger.error(EELFLoggerDelegate.errorLogger,"", AppMessages.MISSINGINFO ,ErrorSeverity.WARN, ErrorTypes.AUTHENTICATIONERROR);
+        	logger.error(EELFLoggerDelegate.errorLogger,"One or more required headers is missing. userId: "+userId+" :: password: "+password);
+            resultMap.put("Exception",
+                            "One or more required headers appName(ns), userId, password is missing. Please check.");
+            return resultMap;
+        }
+        PreparedQueryObject queryObject = new PreparedQueryObject();
+        queryObject.appendQueryString(
+                        "select * from admin.keyspace_master where application_name = ? allow filtering");
+        try {
+        	queryObject.addValue(MusicUtil.convertToActualDataType(DataType.text(), ns));
+        } catch(Exception e) {
+        	resultMap.put("Exception",
+                    "Unable to process input data. Invalid input data type. Please check ns, userId and password values. "+e.getMessage());
+        	return resultMap;
+        }
+        Row rs = null;
+		try {
+			rs = MusicCore.get(queryObject).one();
+		} catch (MusicServiceException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+			resultMap.put("Exception", "Unable to process operation. Error is "+e.getMessage());
+			return resultMap;
+        } catch (InvalidQueryException e) {
+            logger.error(EELFLoggerDelegate.errorLogger,"Exception admin keyspace not configured."+e.getMessage());
+            resultMap.put("Exception", "Please make sure admin.keyspace_master table is configured.");
+            return resultMap;
+        }
+        if (rs == null) {
+            logger.error(EELFLoggerDelegate.errorLogger,"Application is not onboarded. Please contact admin.");
+            resultMap.put("Exception", "Application is not onboarded. Please contact admin.");
+        } else {
+        	if(!(rs.getString("username").equals(userId)) || !(BCrypt.checkpw(password, rs.getString("password")))) {
+                logger.error(EELFLoggerDelegate.errorLogger,"", AppMessages.AUTHENTICATIONERROR, ErrorSeverity.WARN, ErrorTypes.AUTHENTICATIONERROR);
+                logger.error(EELFLoggerDelegate.errorLogger,"Namespace, UserId and password doesn't match. namespace: "+ns+" and userId: "+userId);
+                resultMap.put("Exception", "Namespace, UserId and password doesn't match. namespace: "+ns+" and userId: "+userId);
+                return resultMap;
+            }
+        }
+        return resultMap;
+    }
+
+    public static Map<String, Object> authenticateAIDUser(String nameSpace, String userId, String password,
+           String keyspace) {
+        Map<String, Object> resultMap = new HashMap<>();
+        String pwd = null;
+        if((musicCache.get(keyspace) != null) && (musicValidateCache.get(nameSpace) != null) 
+                && (musicValidateCache.get(nameSpace).containsKey(userId))) {
+            if(!musicCache.get(keyspace).equals(nameSpace)) {
+                resultMap.put("Exception", "Namespace and keyspace doesn't match");
+                return resultMap;
+            }
+            if(!BCrypt.checkpw(password,musicValidateCache.get(nameSpace).get(userId))) {
+                resultMap.put("Exception", "Namespace, userId and password doesn't match");
+                return resultMap;
+            }
+            return resultMap;
+        }
+        PreparedQueryObject queryObject = new PreparedQueryObject();
+        queryObject.appendQueryString(
+                        "select * from admin.keyspace_master where keyspace_name = ? allow filtering");
+        try {
+            queryObject.addValue(MusicUtil.convertToActualDataType(DataType.text(), keyspace));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        Row rs = null;
+        try {
+            rs = MusicCore.get(queryObject).one();
+        } catch (MusicServiceException e) {
+            e.printStackTrace();
+            resultMap.put("Exception", "Unable to process operation. Error is "+e.getMessage());
+            return resultMap;
+        }
+        if(rs == null) {
+            resultMap.put("Exception", "Please make sure keyspace:"+keyspace+" exists.");
+            return resultMap;
+        }
+        else {
+            String user = rs.getString("username");
+            pwd = rs.getString("password");
+            String ns = rs.getString("application_name");
+            if(!ns.equals(nameSpace)) {
+            resultMap.put("Exception", "Namespace and keyspace doesn't match");
+            return resultMap;
+            }
+            if(!user.equals(userId)) {
+                resultMap.put("Exception", "Invalid userId :"+userId);
+                return resultMap;
+            }
+            if(!BCrypt.checkpw(password, pwd)) {
+                resultMap.put("Exception", "Invalid password");
+                return resultMap;
+            }
+        }
+        CachingUtil.updateMusicCache(keyspace, nameSpace);
+        CachingUtil.updateMusicValidateCache(nameSpace, userId, pwd);
+        return resultMap;
+    }
+}