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p2chat.v3_indev.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>PeerJS Chat App</title>
<script src="https://unpkg.com/[email protected]/dist/peerjs.min.js"></script>
</head>
<body>
<style>
:root {
--background-color: #4a445b;
--background-color-less-saturated: #494454;
--background-highlight: #7b748d;
--background-darker-color: #3F3C47;
--selected-color: #6E6880;
--text-color: #f6ebff;
--text-color-faded: #beb3c6;
--contrast-color: #9581eb;
--contrast-color-alt: #59526E;
}
body,
html {
font-family: Verdana, sans-serif;
padding: 0;
width: 100%;
height: 100%;
margin: 0;
}
#sidebar {
position: fixed;
width: 200px;
height: 100%;
background: #000;
background-color: var(--background-color-less-saturated);
border-color: var(--contrast-color);
border-width: 0px;
border-right-style: solid;
border-right-width: 4px;
}
.sidebar-element {
width: 190px;
padding-top: 5px;
padding-bottom: 5px;
padding-left: 10px;
overflow-x: dot-dot-dash;
user-select: none;
color: var(--text-color);
}
#content-wrapper {
margin-left: 203px;
width: calc(100% - 203px);
height: 100%;
position: fixed;
background-color: var(--background-color);
color: var(--text-color);
overflow: auto;
z-index: 1;
}
.message-container {
width: 100%;
position: absolute;
bottom: 5px;
}
#message {
width: 99%;
}
#login-prompt-wrapper {
width: 100%;
height: 100%;
position: absolute;
z-index: 100;
backdrop-filter: blur(5px);
}
#login-prompt {
width: 300px;
height: 200px;
background-color: var(--background-color);
border: 5px solid var(--contrast-color);
border-radius: 5px;
position: absolute;
left: calc(50% - 150px);
top: calc(50% - 100px);
}
.login-btn {
width: 50%;
height: 50%;
left: 25%;
top: 25%;
position: relative;
border-style: solid;
border-color: var(--background-color-highlight);
background-color: var(--contrast-color);
}
.login-btn:hover {
background-color: var(--text-color);
}
</style>
<div id="sidebar">
<div class="sidebar-element">Select User <br>(coming soon)</div>
<div class="sidebar-element"><label>Your ID:</label><input type="text" id="your-id" readonly><button onclick="p2chat.resetPeerId()">Generate ID</button><button onclick="p2chat.copyIdToClipboard()">Copy ID</button></div>
<div class="sidebar-element"><label>input ID:</label><input type="text" id="other-id"></div>
<div class="sidebar-element">Connected:<input type="checkbox" onclick="return false;" onkeydown="e = e || window.event; if(e.keyCode !== 9) return false;" id="connection-indicator" /></div>
</div>
<div id="content-wrapper">
<div id="chat-history"></div>
<div class="message-container"><input type="text" id="message" placeholder="message" onkeypress="p2chat.sendMessage(event)"></div>
</div>
<script id="login">
class CryptoHelper {
async signMessage(message, privateKey) {
try {
const signature = await crypto.subtle.sign({
name: "ECDSA",
hash: {
name: "SHA-256"
},
},
privateKey,
new TextEncoder().encode(message)
);
return signature;
} catch (error) {
console.error("Error signing message:", error);
}
}
async verifySignature(message, signature, publicKey) {
try {
const isVerified = await crypto.subtle.verify({
name: "ECDSA",
hash: {
name: "SHA-256"
},
},
publicKey,
signature,
new TextEncoder().encode(message)
);
return isVerified;
} catch (error) {
console.error("Error verifying signature:", error);
}
}
async generateHMACKey(password, salt) {
try {
const passwordBuffer = new TextEncoder().encode(password);
const saltBuffer = new TextEncoder().encode(salt);
const importedKey = await crypto.subtle.importKey(
"raw",
passwordBuffer, {
name: "PBKDF2"
},
false,
["deriveKey"]
);
const derivedKey = await crypto.subtle.deriveKey({
name: "PBKDF2",
salt: saltBuffer,
iterations: 100000,
hash: "SHA-256",
},
importedKey, {
name: "HMAC",
hash: "SHA-256"
},
true,
["sign", "verify"]
);
return derivedKey;
} catch (error) {
console.error("Error generating HMAC key:", error);
}
}
async encrypt(data, key) {
try {
const iv = crypto.getRandomValues(new Uint8Array(16));
const encryptedData = await crypto.subtle.encrypt({
name: "AES-GCM",
iv: iv,
},
key,
new TextEncoder().encode(data)
);
return {
iv: iv,
data: new Uint8Array(encryptedData)
};
} catch (error) {
console.error("Error encrypting data:", error);
}
}
async decrypt(encryptedData, key) {
try {
const decryptedData = await crypto.subtle.decrypt({
name: "AES-GCM",
iv: encryptedData.iv,
},
key,
encryptedData.data
);
return new TextDecoder().decode(decryptedData);
} catch (error) {
console.error("Error decrypting data:", error);
}
}
async generateKeyPair() {
try {
const keyPair = await crypto.subtle.generateKey({
name: "ECDSA",
namedCurve: "P-256",
},
true,
["sign", "verify"]
);
return keyPair;
} catch (error) {
console.error("Error generating key pair:", error);
}
}
async exportPublicKey(keyPair) {
try {
const publicKey = await crypto.subtle.exportKey(
"spki",
keyPair.publicKey
);
return publicKey;
} catch (error) {
console.error("Error exporting public key:", error);
}
}
async importPublicKey(publicKey) {
try {
const importedKey = await crypto.subtle.importKey(
"spki",
publicKey, {
name: "ECDSA",
namedCurve: "P-256"
},
true,
["verify"]
);
return importedKey;
} catch (error) {
console.error("Error importing public key:", error);
}
}
async exportPublicKeyAsString(keyPair) {
try {
const publicKey = await crypto.subtle.exportKey(
"spki",
keyPair.publicKey
);
const publicKeyString = this.arrayBufferToBase64(publicKey);
return publicKeyString;
} catch (error) {
console.error("Error exporting public key:", error);
}
}
arrayBufferToBase64(buffer) {
const binary = String.fromCharCode(...new Uint8Array(buffer));
return btoa(binary);
}
}
class FileHandlerLibrary {
constructor() {
this.files = {};
this.fs = null;
this.databaseName = "p2DB";
this.databaseVersion = 1;
this.objectStoreName = "items";
this.fileKeyName = "p2dat";
this.data = "";
this.defaultFileName = "user.dat";
this.seperator = String.fromCharCode(7);
this.isFileSystemInit = false;
}
get fileContents() {
return this.data;
}
async openDB() {
return new Promise((resolve, reject) => {
const request = window.indexedDB.open(
this.databaseName,
this.databaseVersion
);
request.onupgradeneeded = (event) =>
event.target.result.createObjectStore(this.objectStoreName, {
keyPath: "key",
});
request.onsuccess = (event) => resolve(event.target.result);
request.onerror = (event) => reject(event.target.error);
});
}
async dbget(key) {
try {
const db = await this.openDB();
const transaction = db.transaction(
[this.objectStoreName],
"readonly"
);
const objectStore = transaction.objectStore(this.objectStoreName);
const request = objectStore.get(key);
return new Promise((resolve, reject) => {
request.onsuccess = (event) =>
resolve(event.target.result?.value || null);
request.onerror = (event) => reject(event.target.error);
});
} catch (error) {
console.error("Error in get():", error);
throw error;
}
}
async dbset(key, value) {
try {
const db = await this.openDB();
const transaction = db.transaction(
[this.objectStoreName],
"readwrite"
);
const objectStore = transaction.objectStore(this.objectStoreName);
const request = objectStore.put({
key,
value
});
return new Promise((resolve, reject) => {
transaction.oncomplete = () => resolve();
request.onerror = (event) => reject(event.target.error);
});
} catch (error) {
console.error("Error in set():", error);
throw error;
}
}
async initFileSystem(hard = false) {
try {
const fileHandleOrUndefined = await this.dbget(this.fileKeyName);
if (fileHandleOrUndefined && !hard) {
this.fs = fileHandleOrUndefined;
console.log("1",this.fs, this.fs[0]);
console.log(typeof this.fs, typeof this.fs[0]);
await this.verifyPermission(this.fs[0], true);
const fileData = await this.readFileHandlerData(this.fs[0]);
if (fileData) {
this.data = fileData;
}
return 1;
}
if (confirm("create a new save file?")) {
const defaultOpts = {
"suggestedName": this.defaultFileName
}
const handle = await window.showSaveFilePicker(defaultOpts); // prompt "Save As"
this.fs = [handle];
await this.dbset(this.fileKeyName, this.fs);
console.log("3",this.fs, this.fs[0]);
console.log(typeof this.fs, typeof this.fs[0]);
return 3;
} else {
this.fs = await window.showOpenFilePicker();
console.log("2",this.fs, this.fs[0]);
console.log(typeof this.fs, typeof this.fs[0]);
await this.dbset(this.fileKeyName, this.fs);
//await this.verifyPermission(this.fs[0], true);
const fileData = await this.readFileHandlerData(this.fs[0]);
if (fileData) {
this.data = fileData;
return 2;
}
}
return 0;
} catch (error) {
console.log(error.name, error.message);
return 0;
}
}
async verifyPermission(fileHandle, readWrite) {
console.log(fileHandle);
const options = {
mode: readWrite ? "readwrite" : undefined
};
const permission = await fileHandle.queryPermission(options);
if (
permission === "granted" ||
(await fileHandle.requestPermission(options)) === "granted"
)
return true;
return false;
}
async readFileHandlerData(fileHandle) {
try {
const file = await fileHandle.getFile();
console.log(typeof file)
return await file.text();
} catch (error) {
console.log("Error reading file handler data:", error);
return null;
}
}
parseData() {
let dataArray = this.data.split(this.seperator);
}
async writeData(data) {
const writer = await this.fs.createWritable(); // request writable stream
await writer.write(new Blob([data])); // write the Blob directly
writer.close(); // end writing
}
}
class P2chat {
constructor(fs) {
this.fs = fs;
this.peer;
this.conn;
this.keyPair = {
"public": "---",
"private": "---"
};
this.id;
}
init() {
this.peer = new Peer();
this.peer.on('open', (id) => {
//display id
document.getElementById('your-id').value = id;
this.id = id;
});
this.peer.on('connection', (connection) => {
this.conn = connection;
this.setConnectionIndicator(true);
this.displayMessage("status", "", 'connected to: ' + this.conn.peer);
this.conn.on('data', this.doData);
});
this.peer.on('disconnected', () => {
this.setConnectionIndicator(false);
})
this.peer.on('close', () => {
this.setConnectionIndicator(false);
});
this.peer.on('error', (error) => {
this.displayMessage('error', "", error)
this.setConnectionIndicator(false);
});
document.getElementById('other-id').addEventListener('input', function(event) {
var otherPeerId = event.target.value;
if (otherPeerId) {
console.log(this);
p2chat.conn = p2chat.peer.connect(otherPeerId);
p2chat.conn.on('open', function() {
p2chat.displayMessage("status", "", 'Connection established with ' + otherPeerId);
});
p2chat.conn.on('data', function(data) {
p2chat.doData(data)
});
}
});
}
resetPeerId(newId) {
this.peer.destroy();
this.peer = new Peer(newId);
}
copyIdToClipboard() {
let copyText = document.getElementById('your-id');
copyText.select();
document.execCommand('copy');
alert('ID copied to clipboard!');
}
sendMessage(e) {
if (e.key != "Enter") return;
let message = document.getElementById('message').value;
if (p2chat.conn && message) {
p2chat.sendData({
type: "message",
ok: true,
status: "200 message sent",
message: message
})
p2chat.displayMessage("message", "you", message);
document.getElementById('message').value = '';
}
}
sendData(data) {
if (!this.conn) return;
let toSend = data || statuses["500"];
toSend.sender = this.sender;
this.conn.send(toSend);
}
doData(data) {
console.log("received data", data);
console.log(this,p2chat);
if (typeof data == "String") {
p2chat.displayMessage("data", "unkown", data);
return;
}
switch (data.type) {
case "command":
p2chat.execCommand(data.command);
break;
default:
p2chat.displayMesssage(data.type, data.sender, data[data.type]);
break;
}
}
displayMessage(type = "data", sender = "unknown", data = "") {
let chatHistory = document.getElementById("chat-history");
let messageContainer = document.createElement("div");
messageContainer.classList.add("message-element-container");
let senderElement = document.createElement("span");
senderElement.classList.add("message-sender-element");
senderElement.textContent = sender.senderString;
let messageTypeElement = document.createElement("span");
messageTypeElement.classList.add("message-type-element");
messageTypeElement.textContent = type;
let messageElement = document.createElement("span");
messageElement.classList.add("message-element");
messageElement.textContent = data;
messageElement.appendChild(messageTypeElement);
messageElement.appendChild(senderElement);
messageContainer.appendChild(messageElement);
chatHistory.appendChild(messageContainer);
}
setConnectionIndicator(status) {
document.getElementById("connection-indicator").checked = status;
}
login(id = this.id) {
}
createKeyPair() {
}
}
var fs = new FileHandlerLibrary();
var cryptoHelper = new CryptoHelper();
var p2chat = new P2chat(fs);
const defaultData = {
type: "default",
status: "message sent successfully",
ok: true,
message: "this is a test message",
sender: {
signedName: "---STUFF---",
insecureName: "Other"
}
}
const statuses = {
"200": {
type: "status",
ok: true,
status: "200 - all good"
},
"400": {
type: "status",
ok: false,
status: "400 - bad request"
},
"500": {
type: "status",
ok: false,
status: "500 - internal error"
}
};
async function login(callback) {
let wrapper = document.createElement("div");
wrapper.id = "login-prompt-wrapper";
document.body.appendChild(wrapper);
let loginPrompt = document.createElement("div");
loginPrompt.id = "login-prompt";
wrapper.appendChild(loginPrompt);
let loginBtn = document.createElement("button");
loginBtn.innerText = "login";
loginBtn.classList.add("login-btn");
loginPrompt.appendChild(loginBtn);
loginBtn.setAttribute("login", true);
loginBtn.addEventListener("click", async () => {
if (loginBtn.getAttribute("login")) {
let status = await fs.initFileSystem(confirm("hard init?"));
if (!status) {
return;
}
wrapper.remove();
console.log(fs.fileContents);
callback();
}
});
}
login(() => {
p2chat.init();
});
</script>
<script>
/*
Connection data format:
*/
class Sender {
constructor() {
this.id = "";
this.PGPPublic;
this.PGPPrivate;
}
setId(id) {
this.id = id;
}
get senderString() {
return this.id;
}
}
</script>
</body>
</html>