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", "name": "@pushrocks/smartuniverse",
"version": "1.0.20", "version": "1.0.20",
"private": false, "private": true,
"description": "messaging service for your micro services", "description": "messaging service for your micro services",
"main": "dist/index.js", "main": "dist/index.js",
"typings": "dist/index.d.ts", "typings": "dist/index.d.ts",
@ -32,4 +32,4 @@
"smartsocket": "^1.1.19", "smartsocket": "^1.1.19",
"smarttime": "^2.0.0" "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 { Handler, Route, Server } from 'smartexpress';
import { UniverseChannel } from './smartuniverse.classes.universechannel'; import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseMessage } from './smartuniverse.classes.universemessage'; import { UniverseMessage } from './smartuniverse.classes.universemessage';
import { UniverseStore } from './smartuniverse.classes.universestore'; import { UniverseCache } from './smartuniverse.classes.universecache';
import * as paths from './smartuniverse.paths'; import * as paths from './smartuniverse.paths';
@ -32,7 +32,7 @@ export interface IServerPutMessageRequestBody {
*/ */
export class Universe { export class Universe {
// subinstances // subinstances
public universeStore: UniverseStore; public universeCache: UniverseCache;
// options // options
private options: ISmartUniverseConstructorOptions; private options: ISmartUniverseConstructorOptions;
@ -54,7 +54,7 @@ export class Universe {
constructor(optionsArg: ISmartUniverseConstructorOptions) { constructor(optionsArg: ISmartUniverseConstructorOptions) {
this.options = optionsArg; 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 // message handling
// adds messages // adds messages
const addMessageHandler = new Handler('PUT', request => { const addMessageHandler = new Handler('PUT', async request => {
const requestBody: IServerPutMessageRequestBody = request.body; const requestBody: IServerPutMessageRequestBody = request.body;
const message = new UniverseMessage(requestBody.message, requestBody.channel, requestBody.passphrase, requestBody.payload); const message = new UniverseMessage(
this.universeStore.addMessage(message); requestBody.message,
requestBody.channel,
requestBody.passphrase,
requestBody.payload
);
this.universeCache.addMessage(message);
console.log(requestBody); console.log(requestBody);
return true; return true;
}); });
@ -82,7 +87,7 @@ export class Universe {
const readMessageHandler = new Handler('GET', request => { const readMessageHandler = new Handler('GET', request => {
const done = plugins.smartq.defer<UniverseMessage[]>(); const done = plugins.smartq.defer<UniverseMessage[]>();
const requestBody = request.body; const requestBody = request.body;
const messageObservable = this.universeStore.readMessagesYoungerThan(requestBody.since); const messageObservable = this.universeCache.readMessagesYoungerThan(requestBody.since);
messageObservable.toArray().subscribe(universeMessageArrayArg => { messageObservable.toArray().subscribe(universeMessageArrayArg => {
done.resolve(universeMessageArrayArg); done.resolve(universeMessageArrayArg);
}); });

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@ -1,5 +1,6 @@
import * as plugins from './smartuniverse.plugins'; import * as plugins from './smartuniverse.plugins';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseMessage } from './smartuniverse.classes.universemessage'; import { UniverseMessage } from './smartuniverse.classes.universemessage';
import { Objectmap } from 'lik'; import { Objectmap } from 'lik';
@ -10,10 +11,25 @@ import { rxjs } from 'smartrx';
/** /**
* universe store handles the creation, storage and retrieval of messages. * universe store handles the creation, storage and retrieval of messages.
*/ */
export class UniverseStore { export class UniverseCache {
public standardMessageExpiry: number; public standardMessageExpiry: number;
public destructionTime: number = 60000; 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 private lastId: number = 0; // stores the last id
constructor(standardMessageExpiryArg: number) { constructor(standardMessageExpiryArg: number) {
@ -25,15 +41,17 @@ export class UniverseStore {
* @param messageArg * @param messageArg
* @param attachedPayloadArg * @param attachedPayloadArg
*/ */
public addMessage(messageArg: UniverseMessage) { public async addMessage(messageArg: UniverseMessage) {
this.messageStore.add(messageArg); messageArg.setUniverseCache(this);
UniverseChannel.authorizeAMessageForAChannel(this, messageArg);
this.messageCache.add(messageArg);
} }
/** /**
* Read a message from the UniverseStore * Read a message from the UniverseStore
*/ */
public readMessagesYoungerThan(unixTimeArg?: number): Observable<UniverseMessage> { 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 => { messageArg => {
return messageArg.timestamp.isYoungerThanMilliSeconds(this.destructionTime); return messageArg.timestamp.isYoungerThanMilliSeconds(this.destructionTime);
} }

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

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