cleanup, start rebuilding model

This commit is contained in:
marlon-erler
2024-07-09 05:26:54 +02:00
parent 631914c3a7
commit 4003ab701a
8 changed files with 302 additions and 334 deletions
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{
"dependencies": {
"bloatless-react": "^1.2.5",
"bloatless-react": "^1.2.6",
"esbuild": "latest",
"udn-frontend": "^1.0.7-beta1"
},
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import * as React from "bloatless-react";
import { UDN, isConnected } from "./model";
import { decryptString, encryptString } from "../cryptUtility";
import { senderName } from "./viewModel";
import { storageKeys } from "../utility";
// TYPES
// message
export interface Message {
channel: string;
sender: string;
body: string;
isoDate: string;
}
export class Message {
constructor(
public channel: string,
public sender: string,
public body: string,
public isoDate: string
) {}
}
// chat
export class Chat {
id: string;
primaryChannel: React.State<string>;
secondaryChannels: React.ListState<string>;
encryptionKey: React.State<string>;
messages: React.ListState<Message>;
composingMessage: React.State<string>;
cannotSendMessage: React.State<boolean>;
newSecondaryChannelName: React.State<string>;
cannotAddSecondaryChannel: React.State<boolean>;
// init
constructor(id: string = React.UUID()) {
this.primaryChannel = React.restoreState(
storageKeys.primaryChannel(id),
""
);
this.secondaryChannels = React.restoreListState(
storageKeys.secondaryChannels(id)
);
this.encryptionKey = React.restoreState(storageKeys.encyptionKey(id), "");
this.messages = React.restoreListState(storageKeys.messages(id));
this.composingMessage = React.restoreState(
storageKeys.composingMessage(id),
""
);
this.newSecondaryChannelName = new React.State("");
this.cannotSendMessage = React.createProxyState(
[this.primaryChannel, this.composingMessage, isConnected],
() =>
this.primaryChannel.value == "" ||
this.composingMessage.value == "" ||
isConnected.value == false
);
this.cannotAddSecondaryChannel = React.createProxyState(
[this.newSecondaryChannelName],
() => this.newSecondaryChannelName.value == ""
);
}
// messages
async sendMessage(): Promise<void> {
if (this.cannotSendMessage.value == true) return;
// get channels
const secondaryChannelNames: string[] = [
...this.secondaryChannels.value.values(),
].map((channel) => channel);
const allChannelNames: string[] = [
this.primaryChannel.value,
...secondaryChannelNames,
];
// encrypt
const encrypted =
(await encryptString(
this.composingMessage.value,
this.encryptionKey.value
)) || this.composingMessage.value;
if (encrypted == undefined) return;
// create object
const joinedChannelName = allChannelNames.join("/");
const messageObject = new Message(
joinedChannelName,
senderName.value,
encrypted,
new Date().toISOString()
);
const messageString = JSON.stringify(messageObject);
// send
UDN.sendMessage(joinedChannelName, messageString);
// clear
this.composingMessage.value = "";
}
clearMessages(): void {
this.messages.clear();
}
deleteMessage(message: Message): void {
this.messages.remove(message);
}
async decryptReceivedMessage(message: Message): Promise<void> {
message.body = await decryptString(message.body, this.encryptionKey.value);
this.messages.callSubscriptions();
}
// channel
setChannel(): void {}
addSecondaryChannel(): void {
if (this.cannotAddSecondaryChannel.value == true) return;
this.secondaryChannels.add(this.newSecondaryChannelName.value);
this.newSecondaryChannelName.value = "";
}
removeSecondaryChannel(channel: string): void {
this.secondaryChannels.remove(channel);
}
}
// INIT
const chatIds = React.restoreListState<string>("chat-ids");
const chatArray = [...chatIds.value.values()].map((id) => new Chat(id));
export const chats = new React.ListState<Chat>(chatArray);
// METHODS
export function createChatWithName(name: string): void {
const newChat = new Chat();
newChat.primaryChannel.value = name;
chatIds.add(newChat.id);
}
export function removeChat(chat: Chat): void {
Object.values(storageKeys).forEach((cb) => {
localStorage.removeItem(cb(chat.id));
});
chats.remove(chat);
chatIds.remove(chat.id);
}
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import * as React from "bloatless-react";
import {
arrayToUint8,
decrypt,
encrypt,
generateIV,
importKey,
uInt8ToArray,
} from "../cryptUtility";
import UDNFrontend from "udn-frontend";
import { serverAddress } from "./viewModel";
import { translation } from "../translations";
export const UDN = new UDNFrontend();
// CONNECTION
// state
export const isConnected = new React.State(false);
export const currentAddress = new React.State("");
export const cannotDisonnect = React.createProxyState(
[isConnected],
() => isConnected.value == false
);
export const cannotConnect = React.createProxyState(
[serverAddress, currentAddress, isConnected],
() =>
serverAddress.value == "" ||
(currentAddress.value == serverAddress.value && isConnected.value == true)
);
// methods
export function connect(): void {
if (cannotConnect.value == true) return;
currentAddress.value = serverAddress.value;
isConnected.value = false;
UDN.connect(serverAddress.value);
}
export function disconnect(): void {
if (cannotDisonnect.value == true) return;
UDN.disconnect();
}
// LISTENERS
UDN.onconnect = () => {
isConnected.value = true;
};
UDN.onmessage = (data) => {
};
UDN.ondisconnect = () => {
isConnected.value = false;
};
// INIT
if (serverAddress.value != "") {
connect();
}
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import * as React from "bloatless-react";
import { translation } from "../translations";
// connection
export const currentAddress = new React.State("");
export const serverAddress = React.restoreState("socket-address", "");
export const isConnected = new React.State(false);
export const connectionMessage = React.createProxyState([serverAddress], () =>
translation.connectedTo(serverAddress.value)
);
// misc
export const isEncryptionUnavailable = window.crypto.subtle == undefined;
export const senderName = React.restoreState("sender-name", "");
// chat
export const newChatPrimaryChannelName = new React.State("");
export const newChatSecondaryChannelName = new React.State("");
export const newChatSecondaryChannelNames = new React.ListState<string>();
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const IV_SIZE = 12;
const ENCRYPTION_ALG = "AES-GCM";
// minimal
export async function encryptString(
plaintext: string,
passphrase: string
): Promise<string | false> {
if (!window.crypto.subtle) return false;
const iv = generateIV();
const key = await importKey(passphrase, "encrypt");
const encryptedArray = await encrypt(iv, key, plaintext);
const encryptionData = {
iv: uInt8ToArray(iv),
encryptedArray: uInt8ToArray(encryptedArray),
};
return btoa(JSON.stringify(encryptionData));
}
export async function decryptString(
cyphertext: string,
passphrase: string
): Promise<string> {
try {
const encrypionData = JSON.parse(atob(cyphertext));
const iv = arrayToUint8(encrypionData.iv);
const encryptedArray = arrayToUint8(encrypionData.encryptedArray);
const key = await importKey(passphrase, "decrypt");
return await decrypt(iv, key, encryptedArray);
} catch {
return cyphertext;
}
}
// process
export function encode(string: string): Uint8Array {
return new TextEncoder().encode(string);
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import * as React from "bloatless-react";
import {
arrayToUint8,
decrypt,
encrypt,
generateIV,
importKey,
uInt8ToArray,
} from "./cryptUtility";
import UDNFrontend from "udn-frontend";
import { translation } from "./translations";
const UDN = new UDNFrontend();
// TYPE
export class Channel implements React.Identifiable {
id = React.UUID();
constructor(public channelName: string) {}
}
export interface Message extends React.Identifiable {
channel: string;
sender: string;
body: string;
isoDate: string;
}
export class Message implements React.Identifiable {
id = React.UUID();
constructor(
public channel: string,
public sender: string,
public body: string,
public isoDate: string
) {}
}
// STATE
// connection
export const currentAddress = new React.State("");
export const serverAddress = React.restoreState("socket-address", "");
export const isConnected = new React.State(false);
export const connectionMessage = React.createProxyState([serverAddress], () =>
translation.connectedTo(serverAddress.value)
);
export const cannotDisonnect = React.createProxyState(
[isConnected],
() => isConnected.value == false
);
export const cannotConnect = React.createProxyState(
[serverAddress, currentAddress, isConnected],
() =>
serverAddress.value == "" ||
(currentAddress.value == serverAddress.value && isConnected.value == true)
);
// mailbox
export const mailboxId = React.restoreState("mailbox-id", "");
export const isMailboxConnected = new React.State(false);
export const cannotRequestMailbox = React.createProxyState(
[isConnected, isMailboxConnected],
() => isConnected.value == false || isMailboxConnected.value == true
);
export const cannotDeleteMailbox = React.createProxyState(
[isConnected, mailboxId, isMailboxConnected],
() =>
isConnected.value == false ||
mailboxId.value == "" ||
isMailboxConnected.value == false
);
// encryption
export const encryptionKey = React.restoreState("encryption-key", "");
export const isEncryptionUnavailable = window.crypto.subtle == undefined;
// channel
export const currentPrimaryChannel = new React.State("");
export const primaryChannel = React.restoreState("primary-channel", "");
export const newSecondaryChannelName = new React.State("");
export const secondaryChannels =
React.restoreListState<Channel>("secondary-channels");
export const cannotSetChannel = React.createProxyState(
[primaryChannel, currentPrimaryChannel, isConnected],
() => primaryChannel.value == "" || isConnected.value == false
);
export const cannotLeaveChannel = React.createProxyState(
[currentPrimaryChannel, isConnected],
() => currentPrimaryChannel.value == "" || isConnected.value == false
);
export const cannotAddSecondaryChannel = React.createProxyState(
[newSecondaryChannelName],
() => newSecondaryChannelName.value == ""
);
// sending
export const senderName = React.restoreState("sender-name", "");
export const messageBody = React.restoreState("message", "");
export const cannotSendMessage = React.createProxyState(
[currentPrimaryChannel, messageBody, senderName, isConnected],
() =>
isConnected.value == false ||
currentPrimaryChannel.value == "" ||
messageBody.value == "" ||
senderName.value == ""
);
// receiving
export const messages = React.restoreListState<Message>("messages");
// METHODS
// connection
export function connect(): void {
if (cannotConnect.value == true) return;
currentAddress.value = serverAddress.value;
isConnected.value = false;
UDN.connect(serverAddress.value);
}
export function disconnect(): void {
if (cannotDisonnect.value == true) return;
UDN.disconnect();
}
// mailbox
export function requestMailbox(): void {
UDN.requestMailbox();
}
export function deleteMailbox(): void {
UDN.deleteMailbox(mailboxId.value);
}
export function updateMailbox(): void {
if (!isMailboxConnected || mailboxId.value == "") return;
deleteMailbox();
requestMailbox();
}
// messages
export async function sendMessage(): Promise<void> {
if (cannotSendMessage.value == true) return;
// get channels
const secondaryChannelNames: string[] = [
...secondaryChannels.value.values(),
].map((channel) => channel.channelName);
const allChannelNames: string[] = [
primaryChannel.value,
...secondaryChannelNames,
];
// encrypt
const encrypted = await encryptMessage();
if (encrypted == undefined) return;
// create object
const joinedChannelName = allChannelNames.join("/");
const messageObject = new Message(
joinedChannelName,
senderName.value,
encrypted,
new Date().toISOString()
);
const messageString = JSON.stringify(messageObject);
// send
UDN.sendMessage(joinedChannelName, messageString);
// clear
messageBody.value = "";
}
export function clearMessageHistory(): void {
messages.clear();
}
export function deleteMessage(message: Message): void {
messages.remove(message);
}
// channels
export function setChannel(shouldUpdateMailbox: boolean = true): void {
if (cannotSetChannel.value == true) return;
if (currentPrimaryChannel != undefined) {
UDN.unsubscribe(currentPrimaryChannel.value);
}
UDN.subscribe(primaryChannel.value);
if (shouldUpdateMailbox) {
updateMailbox();
}
}
export function leaveChannel(): void {
if (cannotLeaveChannel.value == true) return;
UDN.unsubscribe(currentPrimaryChannel.value);
}
export function addSecondaryChannel(): void {
if (cannotAddSecondaryChannel.value == true) return;
const channelObject = new Channel(newSecondaryChannelName.value);
secondaryChannels.add(channelObject);
newSecondaryChannelName.value = "";
}
export function removeSecondaryChannel(channel: Channel): void {
secondaryChannels.remove(channel);
}
// encryption
export async function decryptReceivedMessage(message: Message): Promise<void> {
message.body = await decryptMessage(message.body);
messages.callSubscriptions();
}
// LISTENERS
UDN.onconnect = () => {
isConnected.value = true;
setChannel(false);
if (mailboxId.value != "") {
UDN.connectMailbox(mailboxId.value);
}
};
UDN.onmailboxcreate = (id) => {
mailboxId.value = id;
UDN.connectMailbox(id);
};
UDN.onmailboxconnect = () => {
console.log("connected")
isMailboxConnected.value = true;
};
UDN.onmailboxdelete = () => {
isMailboxConnected.value = false;
mailboxId.value = "";
setChannel();
};
UDN.onmessage = (data) => {
if (data.subscribed != undefined && data.messageChannel != undefined) {
return handleSubscriptionConfirmation(data.messageChannel, data.subscribed);
} else if (data.messageBody) {
handleMessage(data.messageBody);
}
};
UDN.ondisconnect = () => {
isConnected.value = false;
isMailboxConnected.value = false;
};
// UTILITY
function handleSubscriptionConfirmation(
channel: string,
isSubscribed: boolean
): void {
if (isSubscribed == true) {
currentPrimaryChannel.value = channel;
} else {
currentPrimaryChannel.value = "";
}
}
async function handleMessage(body: string): Promise<void> {
try {
const object: Message = JSON.parse(body);
if (!object.channel || !object.sender || !object.body || !object.isoDate)
return;
const messageObject = new Message(
object.channel,
object.sender,
await decryptMessage(object.body),
object.isoDate
);
messages.add(messageObject);
} catch {}
}
async function encryptMessage(): Promise<string> {
if (encryptionKey.value == "") return messageBody.value;
if (!window.crypto.subtle) return messageBody.value;
const iv = generateIV();
const key = await importKey(encryptionKey.value, "encrypt");
const encryptedArray = await encrypt(iv, key, messageBody.value);
const encryptionData = {
iv: uInt8ToArray(iv),
encryptedArray: uInt8ToArray(encryptedArray),
};
return btoa(JSON.stringify(encryptionData));
}
async function decryptMessage(encryptionData: string): Promise<string> {
try {
const encrypionData = JSON.parse(atob(encryptionData));
const iv = arrayToUint8(encrypionData.iv);
const encryptedArray = arrayToUint8(encrypionData.encryptedArray);
const key = await importKey(encryptionKey.value, "decrypt");
return await decrypt(iv, key, encryptedArray);
} catch (error) {
console.error(error);
return encryptionData;
}
}
// INIT
if (serverAddress.value != "") {
connect();
}
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export const storageKeys = {
primaryChannel(id: string): string {
return id + "primary-channel";
},
secondaryChannels(id: string): string {
return id + "secondary-channels";
},
encyptionKey(id: string): string {
return id + "encryption-key";
},
messages(id: string): string {
return id + "messages";
},
composingMessage(id: string): string {
return id + "composing-message";
},
};