C50-575 Add an option of SSL for mongodb connection

Author: VarmaSANJAY

server/app/model/file-upload/file-upload.js

@@ -10,18 +10,42 @@ const dboptions = {
     host: process.env.DB_HOST || appConfig.db.host,
     port: process.env.DB_PORT || appConfig.db.port,
     dbName: process.env.DB_NAME || appConfig.db.dbName,
-    ssl: process.env.DB_SSL || appConfig.db.ssl
+    ssl: process.env.DB_SSL || appConfig.db.ssl,
+    enable_ssl: process.env.ENABLE_SSL || appConfig.db.enable_ssl,
+    enable_auth: process.env.ENABLE_AUTH || appConfig.db.enable_auth,
+    ssl_config:{
+        "CAFile": process.env.CAFILE || appConfig.db.ssl_config.CAFile,
+        "PEMFile": process.env.PEMFILE || appConfig.db.ssl_config.PEMFile
+    },
+    auth_config:{
+        "username":process.env.USERNAME || appConfig.db.auth_config.username,
+        "password":process.env.PASSWORD || appConfig.db.auth_config.password,
+        "authenticated":process.env.authenticated || appConfig.db.auth_config.authenticated
+    }
 };
 
-const connectionString = 'mongodb://' + dboptions.host + ':' + dboptions.port + '/' + dboptions.dbName + '?ssl=' + dboptions.ssl;
+var connectionString = 'mongodb://' + dboptions.host + ':' + dboptions.port + '/' + dboptions.dbName + '?ssl=' + dboptions.ssl;
+var mongoOptions = {};
+if(dboptions.enable_ssl){
+    connectionString = 'mongodb://' + dboptions.host + ':' + dboptions.port + '/' + dboptions.dbName + '?ssl=' + dboptions.enable_ssl;
+    var ca = [fs.readFileSync(dboptions.ssl_config.CAFile)];
+    var cert = fs.readFileSync(dboptions.ssl_config.PEMFile);
+    var key = fs.readFileSync(dboptions.ssl_config.PEMFile);
+    mongoOptions.checkServerIdentity = false;
+    mongoOptions.sslValidate = true;
+    mongoOptions.sslCA = ca;
+    mongoOptions.sslKey = key;
+    mongoOptions.sslCert = cert;
+}
 logger.info(connectionString);
-
-mongoDbClient.connect(connectionString, function (err, db) {
+mongoDbClient.connect(connectionString, {server : mongoOptions}, function (err, db) {
     if (err) {
         throw "unable to connect to mongodb"
         return;
+    }else{
+        gfs = Grid(db, mongoDbClient);
     }
-    gfs = Grid(db, mongoDbClient);
+
 });
 
 var fileUpload = module.exports = {};
@@ -95,4 +119,4 @@ fileUpload.removeFileByFileId = function removeFileByFileId(fileId, callback) {
             callback(null, file);
         }
     });
-};
+};