fix(UniverseMessage / UniverseChannel): better authentication for of messages for channels

This commit is contained in:
Philipp Kunz 2018-05-26 13:44:32 +02:00
parent 3c7683d40e
commit 37bb052774
5 changed files with 110 additions and 53 deletions

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@ -1,7 +1,7 @@
{
"name": "@pushrocks/smartuniverse",
"version": "1.0.20",
"private": false,
"private": true,
"description": "messaging service for your micro services",
"main": "dist/index.js",
"typings": "dist/index.d.ts",
@ -32,4 +32,4 @@
"smartsocket": "^1.1.19",
"smarttime": "^2.0.0"
}
}
}

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@ -3,7 +3,7 @@ import * as plugins from './smartuniverse.plugins';
import { Handler, Route, Server } from 'smartexpress';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseMessage } from './smartuniverse.classes.universemessage';
import { UniverseStore } from './smartuniverse.classes.universestore';
import { UniverseCache } from './smartuniverse.classes.universecache';
import * as paths from './smartuniverse.paths';
@ -32,7 +32,7 @@ export interface IServerPutMessageRequestBody {
*/
export class Universe {
// subinstances
public universeStore: UniverseStore;
public universeCache: UniverseCache;
// options
private options: ISmartUniverseConstructorOptions;
@ -54,7 +54,7 @@ export class Universe {
constructor(optionsArg: ISmartUniverseConstructorOptions) {
this.options = optionsArg;
this.universeStore = new UniverseStore(this.options.messageExpiryInMilliseconds);
this.universeCache = new UniverseCache(this.options.messageExpiryInMilliseconds);
}
/**
@ -70,10 +70,15 @@ export class Universe {
// message handling
// adds messages
const addMessageHandler = new Handler('PUT', request => {
const addMessageHandler = new Handler('PUT', async request => {
const requestBody: IServerPutMessageRequestBody = request.body;
const message = new UniverseMessage(requestBody.message, requestBody.channel, requestBody.passphrase, requestBody.payload);
this.universeStore.addMessage(message);
const message = new UniverseMessage(
requestBody.message,
requestBody.channel,
requestBody.passphrase,
requestBody.payload
);
this.universeCache.addMessage(message);
console.log(requestBody);
return true;
});
@ -82,7 +87,7 @@ export class Universe {
const readMessageHandler = new Handler('GET', request => {
const done = plugins.smartq.defer<UniverseMessage[]>();
const requestBody = request.body;
const messageObservable = this.universeStore.readMessagesYoungerThan(requestBody.since);
const messageObservable = this.universeCache.readMessagesYoungerThan(requestBody.since);
messageObservable.toArray().subscribe(universeMessageArrayArg => {
done.resolve(universeMessageArrayArg);
});

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@ -1,5 +1,6 @@
import * as plugins from './smartuniverse.plugins';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseMessage } from './smartuniverse.classes.universemessage';
import { Objectmap } from 'lik';
@ -10,10 +11,25 @@ import { rxjs } from 'smartrx';
/**
* universe store handles the creation, storage and retrieval of messages.
*/
export class UniverseStore {
export class UniverseCache {
public standardMessageExpiry: number;
public destructionTime: number = 60000;
public messageStore = new Objectmap<UniverseMessage>();
/**
* stores messages for this instance
*/
public messageCache = new Objectmap<UniverseMessage>();
/**
* stores the channels that are available within the universe
*/
public channelCache = new Objectmap<UniverseChannel>();
/**
* allows messages to be processed in a blacklist mode for further analysis
*/
public blackListChannel = new UniverseChannel(this, 'blacklist', 'nada');
private lastId: number = 0; // stores the last id
constructor(standardMessageExpiryArg: number) {
@ -25,15 +41,17 @@ export class UniverseStore {
* @param messageArg
* @param attachedPayloadArg
*/
public addMessage(messageArg: UniverseMessage) {
this.messageStore.add(messageArg);
public async addMessage(messageArg: UniverseMessage) {
messageArg.setUniverseCache(this);
UniverseChannel.authorizeAMessageForAChannel(this, messageArg);
this.messageCache.add(messageArg);
}
/**
* Read a message from the UniverseStore
*/
public readMessagesYoungerThan(unixTimeArg?: number): Observable<UniverseMessage> {
const messageObservable = rxjs.Observable.from(this.messageStore.getArray()).filter(
const messageObservable = rxjs.Observable.from(this.messageCache.getArray()).filter(
messageArg => {
return messageArg.timestamp.isYoungerThanMilliSeconds(this.destructionTime);
}

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@ -1,61 +1,62 @@
import * as plugins from './smartuniverse.plugins';
import { Objectmap } from 'lik';
import { UniverseCache } from './smartuniverse.classes.universecache';
import { UniverseMessage } from './smartuniverse.classes.universemessage';
/**
* enables messages to stay within a certain scope.
*/
export class UniverseChannel {
// ======
// STATIC
// ======
/**
* stores the channels that are available within the universe
*/
public static channelStore = new Objectmap<UniverseChannel>();
/**
* allows messages to be processed in a blacklist mode for further analysis
*/
public static blackListChannel = new UniverseChannel('blacklist', 'nada');
/**
* creates new channels
* @param channelArg the name of the topic
* @param passphraseArg the secret thats used for a certain topic.
*/
public static createChannel (channelNameArg: string, passphraseArg: string) {
const newChannel = new UniverseChannel(channelNameArg, passphraseArg);
public static createChannel(
universeCacheArg: UniverseCache,
channelNameArg: string,
passphraseArg: string
) {
const newChannel = new UniverseChannel(universeCacheArg, channelNameArg, passphraseArg);
return newChannel;
};
}
/**
* returns boolean wether certain channel exists
*/
public static async doesChannelExists (channelNameArg: string) {
const channel = this.channelStore.find(channelArg => {
public static async doesChannelExists(universeCacheArg: UniverseCache, channelNameArg: string) {
const channel = universeCacheArg.channelCache.find(channelArg => {
return channelArg.name === channelNameArg;
});
if(channel) {
if (channel) {
return true;
} else {
return false;
}
}
public static authorizeForChannel (channelNameArg: string, passphraseArg: string) {
const foundChannel = this.channelStore.find(universeChannel => {
const result = universeChannel.authenticate(channelNameArg, passphraseArg);
return result;
public static authorizeAMessageForAChannel(
universeCacheArg: UniverseCache,
universeMessageArg: UniverseMessage
) {
const foundChannel = universeCacheArg.channelCache.find(universeChannel => {
const result = universeChannel.authenticate(universeMessageArg);
return result;
});
if(foundChannel) {
if (foundChannel) {
universeMessageArg.authenticated = true;
universeMessageArg.universeChannelList.add(foundChannel);
return foundChannel;
} else {
return this.blackListChannel;
universeMessageArg.authenticated = false;
universeMessageArg.universeChannelList.add(universeCacheArg.blackListChannel);
}
};
}
// ========
// INSTANCE
@ -64,22 +65,25 @@ export class UniverseChannel {
* the name of the channel
*/
public name: string;
public universeCacheInstance: UniverseCache;
/**
* the passphrase for the channel
*/
public passphrase: string;
constructor(channelNameArg: string, passphraseArg: string) {
constructor(universeCacheArg: UniverseCache, channelNameArg: string, passphraseArg: string) {
this.name = channelNameArg;
this.passphrase = passphraseArg;
UniverseChannel.channelStore.add(this);
}
/**
* authenticates a client on the server side
*/
public authenticate(channelNameArg: string, passphraseArg: string): boolean {
return (this.name === channelNameArg && this.passphrase === passphraseArg);
public authenticate(universeMessageArg: UniverseMessage): boolean {
return (
this.name === universeMessageArg.requestedChannelName &&
this.passphrase === universeMessageArg.requestedChannelPassphrase
);
}
}

View File

@ -1,12 +1,16 @@
import * as plugins from './smartuniverse.plugins';
import { Objectmap } from 'lik';
import { Timer, TimeStamp } from 'smarttime';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseStore } from './smartuniverse.classes.universestore';
import { Universe } from './smartuniverse.classes.universe';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseCache } from './smartuniverse.classes.universecache';
/**
* represents a message within a universe
* acts as a container to save message states like authentication status
*/
export class UniverseMessage {
/**
@ -18,13 +22,25 @@ export class UniverseMessage {
public id: number;
/**
* the universe store the message is attached to
* the UniverseCache the message is attached to
*/
public universeStore: UniverseStore;
public universeCache: UniverseCache;
/**
* requestedChannelName
*/
public requestedChannelName: string;
public requestedChannelPassphrase: string;
/**
* enables unprotected grouping of messages for efficiency purposes.
*/
public universeChannel: UniverseChannel;
public universeChannelList = new Objectmap<UniverseChannel>();
/**
* wether the message is authenticated
*/
public authenticated: boolean = null;
/**
* time of creation
@ -47,16 +63,23 @@ export class UniverseMessage {
* @param messageArg
* @param attachedPayloadArg
*/
constructor(messageArg: string, channelNameArg: string, passphraseArg: string, attachedPayloadArg: any) {
constructor(
messageArg: string,
requestedChannelNameArg: string,
passphraseArg: string,
attachedPayloadArg: any
) {
this.timestamp = new TimeStamp();
this.message = messageArg;
this.universeChannel = UniverseChannel.authorizeForChannel(channelNameArg, passphraseArg);
this.requestedChannelName = requestedChannelNameArg;
this.requestedChannelPassphrase = passphraseArg;
this.attachedPayload = attachedPayloadArg;
// prevent memory issues
this.fallBackDestruction();
}
public setUniverseStore(universeStoreArg: UniverseStore) {
this.universeStore = universeStoreArg;
public setUniverseCache(universeCacheArg: UniverseCache) {
this.universeCache = universeCacheArg;
}
public setDestructionTimer(selfdestructAfterArg: number) {
@ -64,15 +87,22 @@ export class UniverseMessage {
this.destructionTimer = new Timer(selfdestructAfterArg);
this.destructionTimer.start();
// set up self destruction by removing this from the parent messageStore
// set up self destruction by removing this from the parent messageCache
this.destructionTimer.completed.then(async () => {
this.universeStore.messageStore.remove(this);
this.universeCache.messageCache.remove(this);
});
} else {
this.fallBackDestruction();
}
}
/**
* handles bad messages for further analysis
*/
handleAsBadMessage() {
console.log('received a bad message');
}
/**
* prevents memory leaks if channels have no default
*/