1.0.55

.gitignore

@@ -1,6 +1,22 @@
 .nogit/
-node_modules/
+
-dist/
+# artifacts
 coverage/
 public/
 pages/
+
+# installs
+node_modules/
+
+# caches
+.yarn/
+.cache/
+.rpt2_cache
+
+# builds
+dist/
+dist_web/
+dist_serve/
+dist_ts_web/
+
+# custom

.gitlab-ci.yml

@@ -1,5 +1,5 @@
-# gitzone standard
+# gitzone ci_default
-image: hosttoday/ht-docker-node:npmci
+image: registry.gitlab.com/hosttoday/ht-docker-node:npmci
 
 cache:
   paths:
@@ -49,14 +49,14 @@ testLTS:
   tags:
   - docker
   - notpriv
-    
+
-testSTABLE:
+testBuild:
   stage: test
   script:
   - npmci npm prepare
-  - npmci node install stable
+  - npmci node install lts
   - npmci npm install
-  - npmci npm test
+  - npmci command npm run build
   coverage: /\d+.?\d+?\%\s*coverage/
   tags:
   - docker
@@ -65,7 +65,7 @@ testSTABLE:
 release:
   stage: release
   script:
-  - npmci node install stable
+  - npmci node install lts
   - npmci npm publish
   only:
   - tags
@@ -78,19 +78,11 @@ release:
 # ====================
 codequality:
   stage: metadata
-  image: docker:stable
   allow_failure: true
-  services:
-    - docker:stable-dind
   script:
-    - export SP_VERSION=$(echo "$CI_SERVER_VERSION" | sed 's/^\([0-9]*\)\.\([0-9]*\).*/\1-\2-stable/')
+    - npmci command npm install -g tslint typescript
-    - docker run
+    - npmci npm install
-        --env SOURCE_CODE="$PWD"
+    - npmci command "tslint -c tslint.json ./ts/**/*.ts"
-        --volume "$PWD":/code
-        --volume /var/run/docker.sock:/var/run/docker.sock
-        "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code
-  artifacts:
-    paths: [codeclimate.json]
   tags:
   - docker
   - priv
@@ -106,13 +98,15 @@ trigger:
   - notpriv
 
 pages:
-  image: hosttoday/ht-docker-node:npmci
+  image: hosttoday/ht-docker-dbase:npmci
+  services:
+   - docker:18-dind
   stage: metadata
   script:
-    - npmci command npm install -g typedoc typescript
+    - npmci command npm install -g @gitzone/tsdoc
     - npmci npm prepare
     - npmci npm install
-    - npmci command typedoc --module "commonjs" --target "ES2016" --out public/ ts/
+    - npmci command tsdoc
   tags:
     - docker
     - notpriv

.snyk

@@ -0,0 +1,4 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.13.5
+ignore: {}
+patch: {}

.vscode/launch.json

@@ -0,0 +1,29 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "current file",
+      "type": "node",
+      "request": "launch",
+      "args": [
+        "${relativeFile}"
+      ],
+      "runtimeArgs": ["-r", "@gitzone/tsrun"],
+      "cwd": "${workspaceRoot}",
+      "protocol": "inspector",
+      "internalConsoleOptions": "openOnSessionStart"
+    },
+    {
+      "name": "test.ts",
+      "type": "node",
+      "request": "launch",
+      "args": [
+        "test/test.ts"
+      ],
+      "runtimeArgs": ["-r", "@gitzone/tsrun"],
+      "cwd": "${workspaceRoot}",
+      "protocol": "inspector",
+      "internalConsoleOptions": "openOnSessionStart"
+    }
+  ]
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pushrocks/smartuniverse",
-  "version": "1.0.43",
+  "version": "1.0.55",
   "private": false,
   "description": "messaging service for your micro services",
   "main": "dist/index.js",
@@ -9,15 +9,16 @@
   "license": "MIT",
   "scripts": {
     "test": "(tstest test/)",
+    "testManual": "(tsrun test/test.ts)",
     "build": "(tsbuild)",
     "format": "(gitzone format)"
   },
   "devDependencies": {
-    "@gitzone/tsbuild": "^2.1.8",
+    "@gitzone/tsbuild": "^2.1.11",
-    "@gitzone/tstest": "^1.0.20",
+    "@gitzone/tstest": "^1.0.24",
-    "@pushrocks/tapbundle": "^3.0.9",
+    "@pushrocks/tapbundle": "^3.0.11",
-    "@types/node": "^11.13.6",
+    "@types/node": "^12.6.8",
-    "tslint": "^5.16.0",
+    "tslint": "^5.18.0",
     "tslint-config-prettier": "^1.18.0"
   },
   "peerDependencies": {
@@ -26,14 +27,25 @@
   "dependencies": {
     "@pushrocks/lik": "^3.0.5",
     "@pushrocks/smartdelay": "^2.0.3",
-    "@pushrocks/smartexpress": "^3.0.18",
+    "@pushrocks/smartexpress": "^3.0.35",
-    "@pushrocks/smartfile": "^7.0.2",
+    "@pushrocks/smartfile": "^7.0.4",
-    "@pushrocks/smarthash": "^2.0.4",
+    "@pushrocks/smarthash": "^2.0.6",
     "@pushrocks/smartpromise": "^3.0.2",
-    "@pushrocks/smartrequest": "^1.1.15",
+    "@pushrocks/smartrequest": "^1.1.16",
     "@pushrocks/smartrx": "^2.0.3",
-    "@pushrocks/smartsocket": "^1.1.27",
+    "@pushrocks/smartsocket": "^1.1.38",
-    "@pushrocks/smarttime": "^3.0.7",
+    "@pushrocks/smarttime": "^3.0.12",
     "@pushrocks/smartunique": "^3.0.1"
-  }
+  },
+  "files": [
+    "ts/*",
+    "ts_web/*",
+    "dist/*",
+    "dist_web/*",
+    "dist_ts_web/*",
+    "assets/*",
+    "cli.js",
+    "npmextra.json",
+    "readme.md"
+  ]
 }

test/test.ts

@@ -6,8 +6,13 @@ import { Observable } from 'rxjs';
 
 let testUniverse: smartuniverse.Universe;
 let testClientUniverse: smartuniverse.ClientUniverse;
+let testClientUniverse2: smartuniverse.ClientUniverse;
 let testClientChannel: smartuniverse.ClientUniverseChannel;
 
+const testServerData = {
+  serverAddress: 'http://localhost:8765'
+};
+
 const testChannelData = {
   channelName: 'awesomeTestChannel',
   channelPass: 'awesomeChannelPAss'
@@ -26,7 +31,7 @@ tap.test('add a message to the SmartUniverse', async () => {
 // testing message handling
 tap.test('create smartuniverse client', async () => {
   testClientUniverse = new smartuniverse.ClientUniverse({
-    serverAddress: 'http://localhost:8765'
+    serverAddress: testServerData.serverAddress
   });
   expect(testClientUniverse).to.be.instanceof(smartuniverse.ClientUniverse);
 });
@@ -51,6 +56,18 @@ tap.test('should send a message correctly', async () => {
   });
 });
 
+tap.test('universe should contain the sent message', async () => {
+  expect(testUniverse.universeCache.messageMap.getArray()[0].messageText).to.equal('hello');
+});
+
+tap.test('a second client should be able to subscibe', async () => {
+  testClientUniverse2 = new smartuniverse.ClientUniverse({
+    serverAddress: testServerData.serverAddress
+  });
+
+  testClientUniverse2.addChannel(testChannelData.channelName, testChannelData.channelPass);
+});
+
 tap.test('should receive a message correctly', async () => {});
 
 tap.test('should disconnect the client correctly', async () => {

ts/interfaces/index.ts

@@ -1,3 +1,4 @@
 export * from './http.interfaces';
 export * from './universechannel.interfaces';
 export * from './universemessage.interfaces';
+export * from './universeactions.interfaces';

ts/interfaces/universeactions.interfaces.ts

@@ -0,0 +1,17 @@
+export type IServerCallActions =
+  | 'channelSubscription'
+  | 'processMessage'
+  | 'channelUnsubscribe'
+  | 'terminateConnection';
+
+/**
+ * the interface for a subscription
+ */
+export interface IServerCallSubscribeActionPayload {
+  name: string;
+  passphrase: string;
+}
+
+export interface IServerUnsubscribeActionPayload {
+  name: string;
+}

ts/interfaces/universeconnection.interfaces.ts

@@ -0,0 +1,4 @@
+export interface IAuthenticationRequest {
+  channelName: string;
+  password: string;
+}

ts/smartuniverse.classes.clientuniverse.ts

@@ -8,6 +8,7 @@ import * as url from 'url';
 import * as interfaces from './interfaces';
 
 import { ClientUniverseChannel, UniverseMessage } from './';
+import { ClientUniverseCache } from './smartuniverse.classes.clientuniversecache';
 
 export interface IClientOptions {
   serverAddress: string;
@@ -19,10 +20,11 @@ export interface IClientOptions {
  */
 export class ClientUniverse {
   public options;
-  public socketClient: plugins.smartsocket.SmartsocketClient;
+  public smartsocketClient: plugins.smartsocket.SmartsocketClient;
   public observableIntake: plugins.smartrx.ObservableIntake<UniverseMessage>;
 
-  public channelCache = new Objectmap<ClientUniverseChannel>();
+  public channelStore = new Objectmap<ClientUniverseChannel>();
+  public clientUniverseCache = new ClientUniverseCache();
 
   constructor(optionsArg: IClientOptions) {
     this.options = optionsArg;
@@ -50,32 +52,39 @@ export class ClientUniverse {
    */
   public async getChannel(channelName: string): Promise<ClientUniverseChannel> {
     await this.checkConnection();
-    const clientUniverseChannel = this.channelCache.find(channel => {
+    const clientUniverseChannel = this.channelStore.find(channel => {
       return channel.name === channelName;
     });
     return clientUniverseChannel;
   }
 
+  /**
+   * remove a a achannel
+   * @param messageArg
+   */
+  public removeChannel(channelNameArg, notifyServer = true) {
+    const clientUniverseChannel = this.channelStore.findOneAndRemove(channelItemArg => {
+      return channelItemArg.name === channelNameArg;
+    });
+  }
+
+  /**
+   * sends a message towards the server
+   * @param messageArg
+   */
   public async sendMessage(messageArg: interfaces.IMessageCreator) {
-    console.log('hello');
+    await this.checkConnection();
-    const requestBody: interfaces.IUniverseMessage = {
+    const universeMessageToSend: interfaces.IUniverseMessage = {
       id: plugins.smartunique.shortId(),
       timestamp: Date.now(),
       passphrase: (await this.getChannel(messageArg.targetChannelName)).passphrase,
       ...messageArg
     };
-    const requestBodyString = JSON.stringify(requestBody);
+    await this.smartsocketClient.serverCall('processMessage', universeMessageToSend);
-    // TODO: User websocket connection if available
-    const response = await plugins.smartrequest.postJson(
-      `${this.options.serverAddress}/sendmessage`,
-      {
-        requestBody: requestBodyString
-      }
-    );
   }
 
   public close() {
-    this.socketClient.disconnect();
+    this.smartsocketClient.disconnect();
   }
 
   /**
@@ -83,17 +92,44 @@ export class ClientUniverse {
    * since password validation is done through other means, a connection should always be possible
    */
   private async checkConnection(): Promise<void> {
-    if (!this.socketClient && !this.observableIntake) {
+    if (!this.smartsocketClient && !this.observableIntake) {
       const parsedURL = url.parse(this.options.serverAddress);
-      this.socketClient = new SmartsocketClient({
+      const socketConfig: plugins.smartsocket.ISmartsocketClientOptions = {
         alias: process.env.SOCKET_ALIAS || 'someclient',
         password: 'UniverseClient',
         port: parseInt(parsedURL.port, 10),
         role: 'UniverseClient',
-        url: parsedURL.hostname
+        url: parsedURL.protocol + '//' + parsedURL.hostname
-      });
+      };
+      console.log(socketConfig);
+      this.smartsocketClient = new SmartsocketClient(socketConfig);
       this.observableIntake = new plugins.smartrx.ObservableIntake();
-      this.socketClient.connect();
+
+      // lets define some basic actions
+
+      /**
+       * should handle a forced unsubscription by the server
+       */
+      const unsubscribe = new plugins.smartsocket.SocketFunction({
+        funcName: 'unsubscribe',
+        allowedRoles: [],
+        funcDef: async (data: interfaces.IServerUnsubscribeActionPayload) => {
+          throw new Error('TODO');
+        }
+      });
+
+      /**
+       * should handle a message reception
+       */
+      const processMessageSocketFunction = new plugins.smartsocket.SocketFunction({
+        funcName: 'processMessage',
+        allowedRoles: [],
+        funcDef: async (data: interfaces.IServerUnsubscribeActionPayload) => {
+          throw new Error('TODO');
+        }
+      });
+
+      await this.smartsocketClient.connect();
     }
   }
 }

ts/smartuniverse.classes.clientuniversecache.ts

@@ -0,0 +1,8 @@
+import * as plugins from './smartuniverse.plugins';
+
+/**
+ * a cache for clients
+ * keeps track of which messages have already been received
+ * good for deduplication in mesh environments
+ */
+export class ClientUniverseCache {}

ts/smartuniverse.classes.clientuniversechannel.ts

@@ -23,7 +23,7 @@ export class ClientUniverseChannel implements interfaces.IUniverseChannel {
       channelNameArg,
       passphraseArg
     );
-    clientUniverseArg.channelCache.add(clientChannel);
+    clientUniverseArg.channelStore.add(clientChannel);
     await clientChannel.subscribe();
     return clientChannel;
   }
@@ -50,6 +50,11 @@ export class ClientUniverseChannel implements interfaces.IUniverseChannel {
    * tells the universe about this instances interest into a channel
    */
   public async subscribe() {
-    this.clientUniverse.socketClient;
+    const serverCallActionName: interfaces.IServerCallActions = 'channelSubscription';
+    const serverCallActionPayload: interfaces.IServerCallSubscribeActionPayload = {
+      name: this.name,
+      passphrase: this.passphrase
+    };
+    this.clientUniverse.smartsocketClient.serverCall(serverCallActionName, serverCallActionPayload);
   }
 }

ts/smartuniverse.classes.clientuniversemessage.ts

@@ -12,17 +12,22 @@ export class ClientUniverseMessage implements interfaces.IUniverseMessage {
   // INSTANCE
   // ========
 
+  // properties
   public id: string;
 
   public timestamp: number;
   public smartTimestamp: plugins.smarttime.TimeStamp;
-
   public messageText: string;
   public passphrase: string;
   public payload: any;
   public payloadStringType;
   public targetChannelName: string;
-  constructor(messageArg, payloadArg) {}
+
+  constructor(messageArg: interfaces.IUniverseMessage, payloadArg) {
+    for (const key of Object.keys(messageArg)) {
+      this[key] = messageArg[key];
+    }
+  }
 
   getAsJsonForPayload() {}
 }

ts/smartuniverse.classes.universe.ts

@@ -6,13 +6,14 @@ import { UniverseCache, UniverseChannel, UniverseMessage } from './';
 import * as paths from './smartuniverse.paths';
 
 import * as interfaces from './interfaces';
+import { UniverseConnection } from './smartuniverse.classes.universeconnection';
 
 export interface ISmartUniverseConstructorOptions {
   messageExpiryInMilliseconds: number;
 }
 
 /**
- * main class that setsup a Universe
+ * main class that setups a Universe
  */
 export class Universe {
   // subinstances
@@ -21,25 +22,6 @@ export class Universe {
   // options
   private options: ISmartUniverseConstructorOptions;
 
-  /**
-   * stores the version of the universe server running
-   * this is done since the version is exposed through the api and multiple fs actions are avoided this way.
-   */
-  private universeVersionStore: string;
-
-  /**
-   * get the currently running version of smartuniverse
-   */
-  public get universeVersion() {
-    if (this.universeVersionStore) {
-      return this.universeVersionStore;
-    } else {
-      const packageJson = plugins.smartfile.fs.toObjectSync(paths.packageJson);
-      this.universeVersionStore = packageJson.version;
-      return this.universeVersionStore;
-    }
-  }
-
   /**
    * the smartexpress server used
    */
@@ -55,6 +37,25 @@ export class Universe {
     this.universeCache = new UniverseCache(this.options.messageExpiryInMilliseconds);
   }
 
+  /**
+   * stores the version of the universe server running
+   * this is done since the version is exposed through the api and multiple fs actions are avoided this way.
+   */
+  private universeVersionStore: string;
+
+  /**
+   * get the currently running version of smartuniverse
+   */
+  public getUniverseVersion() {
+    if (this.universeVersionStore) {
+      return this.universeVersionStore;
+    } else {
+      const packageJson = plugins.smartfile.fs.toObjectSync(paths.packageJson);
+      this.universeVersionStore = packageJson.version;
+      return this.universeVersionStore;
+    }
+  }
+
   /**
    * adds a channel to the Universe
    */
@@ -70,53 +71,89 @@ export class Universe {
     this.smartexpressServer = new plugins.smartexpress.Server({
       cors: true,
       defaultAnswer: async () => {
-        return `smartuniverse server ${this.universeVersion}`;
+        return `smartuniverse server ${this.getUniverseVersion()}`;
       },
       forceSsl: false,
       port: portArg
     });
 
-    // lets create the http request route
-    this.smartexpressServer.addRoute(
-      '/sendmessage',
-      new Handler('POST', async (req, res) => {
-        const universeMessageInstance = new UniverseMessage(req.body);
-        this.universeCache.addMessage(universeMessageInstance);
-        res.status(200);
-        res.end();
-      })
-    );
-
     // add websocket upgrade
-    this.smartsocket = new plugins.smartsocket.Smartsocket({
+    this.smartsocket = new plugins.smartsocket.Smartsocket({});
-      port: 12345 // fix this within smartsocket
-    });
 
     // add a role for the clients
     const ClientRole = new plugins.smartsocket.SocketRole({
-      name: 'clientuniverse',
+      name: 'UniverseClient',
-      passwordHash: 'clientuniverse' // authentication happens on another level
+      passwordHash: plugins.smarthash.sha256FromStringSync('UniverseClient') // authentication happens on another level
     });
 
     // add the role to smartsocket
     this.smartsocket.addSocketRoles([ClientRole]);
 
     const SubscriptionSocketFunction = new plugins.smartsocket.SocketFunction({
-      allowedRoles: [ClientRole],
+      allowedRoles: [ClientRole], // there is only one client role, Authentication happens on another level
       funcName: 'channelSubscription',
-      funcDef: () => {
+      funcDef: async (
-        console.log('a client connected');
+        dataArg: interfaces.IServerCallSubscribeActionPayload,
-      } // TODO: implement an action upon connection of clients
+        socketConnectionArg
+      ) => {
+        // run in "this context" of this class
+        await (async () => {
+          // TODO: properly add the connection
+          const universeConnection = new UniverseConnection({
+            socketConnection: socketConnectionArg,
+            authenticationRequests: []
+          });
+          await UniverseConnection.addConnectionToCache(this.universeCache, universeConnection);
+          return {
+            'subscription status': 'success'
+          };
+        })();
+      }
+    });
+
+    const ProcessMessageSocketFunction = new plugins.smartsocket.SocketFunction({
+      allowedRoles: [ClientRole], // there is only one client role, Authentication happens on another level
+      funcName: 'processMessage',
+      funcDef: async (dataArg: interfaces.IUniverseMessage, socketConnectionArg) => {
+        // run in "this" context of this class
+        await (async () => {
+          const universeConnection = UniverseConnection.findUniverseConnectionBySocketConnection(
+            this.universeCache,
+            socketConnectionArg
+          );
+          if (universeConnection) {
+            console.log('found UniverseConnection for socket');
+          } else {
+            console.log('universe client not yet present');
+            console.log('creating one now as send only');
+            const universeConnectionInstance = new UniverseConnection({
+              socketConnection: socketConnectionArg,
+              authenticationRequests: []
+            });
+            await UniverseConnection.addConnectionToCache(
+              this.universeCache,
+              universeConnectionInstance
+            );
+          }
+          const unauthenticatedMessage = UniverseMessage.createMessageFromPayload(dataArg);
+          const foundChannel = await UniverseChannel.authorizeAMessageForAChannel(
+            this.universeCache,
+            unauthenticatedMessage
+          );
+          if (foundChannel) {
+            const authenticatedMessage = unauthenticatedMessage;
+            await this.universeCache.addMessage(authenticatedMessage);
+          }
+        })();
+      }
     });
 
     // add smartsocket to the running smartexpress app
-    this.smartsocket.setExternalServer('express', this.smartexpressServer as any);
+    this.smartsocket.setExternalServer('smartexpress', this.smartexpressServer as any);
-
+    // start everything
-    // start the socket
-    this.smartsocket.start();
-
-    // start the smartexpress instance
     await this.smartexpressServer.start();
+    await this.smartsocket.start();
+    console.log('started universe');
   }
 
   /**

ts/smartuniverse.classes.universecache.ts

@@ -8,6 +8,7 @@ import { Objectmap } from '@pushrocks/lik';
 import { Observable, from } from 'rxjs';
 import { filter } from 'rxjs/operators';
 import { rxjs } from '@pushrocks/smartrx';
+import { UniverseConnection } from './smartuniverse.classes.universeconnection';
 
 /**
  * universe store handles the creation, storage and retrieval of messages.
@@ -29,6 +30,8 @@ export class UniverseCache {
    */
   public channelMap = new Objectmap<UniverseChannel>();
 
+  public connectionMap = new plugins.lik.Objectmap<UniverseConnection>();
+
   /**
    * allows messages to be processed in a blacklist mode for further analysis
    */
@@ -52,7 +55,10 @@ export class UniverseCache {
   /**
    * Read a message from the UniverseCache
    */
-  public readMessagesYoungerThan(unixTimeArg?: number): Observable<UniverseMessage> {
+  public readMessagesYoungerThan(
+    unixTimeArg?: number,
+    channelName?: string
+  ): Observable<UniverseMessage> {
     const messageObservable = from(this.messageMap.getArray()).pipe(
       filter(messageArg => {
         return messageArg.smartTimestamp.isYoungerThanMilliSeconds(this.destructionTime);

ts/smartuniverse.classes.universechannel.ts

@@ -1,6 +1,5 @@
 import * as plugins from './smartuniverse.plugins';
 
-import { Objectmap } from '@pushrocks/lik';
 import { UniverseCache } from './smartuniverse.classes.universecache';
 import { UniverseMessage } from './smartuniverse.classes.universemessage';
 
@@ -41,10 +40,17 @@ export class UniverseChannel {
     }
   }
 
+  /**
+   * a static message authorization function that takes the  UniverseCache
+   * (where messages and channels are stored and their lifetime is managed)
+   * and the universemessage to find a fitting channel for the message
+   * @param universeCacheArg
+   * @param universeMessageArg
+   */
   public static authorizeAMessageForAChannel(
     universeCacheArg: UniverseCache,
     universeMessageArg: UniverseMessage
-  ) {
+  ): UniverseChannel {
     const foundChannel = universeCacheArg.channelMap.find(universeChannel => {
       const result = universeChannel.authenticate(universeMessageArg);
       return result;
@@ -52,10 +58,13 @@ export class UniverseChannel {
     if (foundChannel) {
       universeMessageArg.authenticated = true;
       universeMessageArg.universeChannelList.add(foundChannel);
+      console.log('message authorized');
       return foundChannel;
     } else {
       universeMessageArg.authenticated = false;
       universeMessageArg.universeChannelList.add(universeCacheArg.blackListChannel);
+      console.log('message not valid');
+      return null;
     }
   }
 
@@ -79,7 +88,9 @@ export class UniverseChannel {
   }
 
   /**
-   * authenticates a client on the server side
+   * authenticates a client on the server side by matching
+   * # the messages channelName against the unverseChannel's name
+   * # the messages password against the universeChannel's password
    */
   public authenticate(universeMessageArg: UniverseMessage): boolean {
     return (

ts/smartuniverse.classes.universeconnection.ts

@@ -0,0 +1,110 @@
+import * as plugins from './smartuniverse.plugins';
+import * as interfaces from './interfaces';
+import { UniverseChannel } from './smartuniverse.classes.universechannel';
+import { UniverseCache } from './smartuniverse.classes.universecache';
+
+/**
+ * represents a connection to the universe
+ */
+export class UniverseConnection {
+  /**
+   *
+   * @param universeConnectionArg
+   */
+  public static async addConnectionToCache(
+    universeCache: UniverseCache,
+    universeConnectionArg: UniverseConnection
+  ) {
+    let universeConnection = universeConnectionArg;
+    universeConnection = await UniverseConnection.deduplicateUniverseConnection(
+      universeCache,
+      universeConnection
+    );
+    universeConnection = await UniverseConnection.authenticateAuthenticationRequests(
+      universeConnection
+    );
+  }
+
+  /**
+   * deduplicates UniverseConnections
+   */
+  public static async deduplicateUniverseConnection(
+    universeCache: UniverseCache,
+    universeConnectionArg: UniverseConnection
+  ): Promise<UniverseConnection> {
+    let connectionToReturn: UniverseConnection;
+    universeCache.connectionMap.forEach(async existingConnection => {
+      if (existingConnection.socketConnection === universeConnectionArg.socketConnection) {
+        connectionToReturn = await this.mergeUniverseConnections(
+          existingConnection,
+          universeConnectionArg
+        );
+      }
+    });
+    if (!connectionToReturn) {
+      connectionToReturn = universeConnectionArg;
+    }
+    return connectionToReturn;
+  }
+
+  /**
+   * authenticate AuthenticationRequests
+   */
+  public static authenticateAuthenticationRequests(
+    universeConnectionArg
+  ): Promise<UniverseConnection> {
+    // TODO: authenticate connections
+    return universeConnectionArg;
+  }
+
+  /**
+   * merges two UniverseConnections
+   */
+  public static mergeUniverseConnections(
+    connectionArg1: UniverseConnection,
+    connectionArg2: UniverseConnection
+  ) {
+    // TODO: merge connections
+    return connectionArg1;
+  }
+
+  /**
+   * finds a UniverseConnection by providing a socket connection
+   */
+  public static findUniverseConnectionBySocketConnection(
+    universeCache: UniverseCache,
+    socketConnectionArg: plugins.smartsocket.SocketConnection
+  ): UniverseConnection {
+    const universeConnection = universeCache.connectionMap.find(universeConnectionArg => {
+      return universeConnectionArg.socketConnection === socketConnectionArg;
+    });
+    return universeConnection;
+  }
+
+  public terminatedDeferred = plugins.smartpromise.defer();
+
+  /**
+   * the socketClient to ping
+   */
+  public socketConnection: plugins.smartsocket.SocketConnection;
+  public authenticationRequests = [];
+  public subscribedChannels: UniverseChannel[] = [];
+  public authenticatedChannels: UniverseChannel[] = [];
+  public failedToJoinChannels: UniverseChannel[] = [];
+
+  /**
+   * terminates the connection
+   */
+  public terminateConnection() {
+    this.socketConnection.socket.disconnect();
+    this.terminatedDeferred.resolve();
+  }
+
+  constructor(optionsArg: {
+    socketConnection: plugins.smartsocket.SocketConnection;
+    authenticationRequests: interfaces.IServerCallSubscribeActionPayload[];
+  }) {
+    // TODO: check if this is correct
+    this.socketConnection = optionsArg.socketConnection;
+  }
+}

ts/smartuniverse.classes.universemessage.ts

@@ -14,6 +14,10 @@ import { IUniverseMessage } from './interfaces';
  * acts as a container to save message states like authentication status
  */
 export class UniverseMessage implements interfaces.IUniverseMessage {
+  public static createMessageFromPayload(dataArg: interfaces.IUniverseMessage) {
+    return new UniverseMessage(dataArg);
+  }
+
   public id: string;
 
   public timestamp: number;