chat/index.html at main · ganshenmail/chat · GitHub

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<!DOCTYPE html>
<html>

<head>
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no">
    <title>Chat</title>
    <link rel="stylesheet" href="https://cdn.staticfile.net/uikit/3.17.11/css/uikit.min.css">
</head>

<body>
    <button class="uk-button uk-button-primary" style="position: fixed;right: 10px;top: 10px"
        id="copy">Link</button>
    <div id="messages" style="padding:10px;margin-bottom:100px;"></div>
    <form id="form" style="position: fixed;bottom:0;" class="uk-width-1-1">
        <input class="uk-input uk-width-1-1" id="input" type="text" placeholder="Enter Message">
        <button class="uk-button uk-button-primary uk-width-1-1" type="submit">Send</button>
    </form>
    <script src="https://cdn.staticfile.net/socket.io/4.8.1/socket.io.min.js"></script>
    <script src="https://cdn.staticfile.net/crypto-js/4.2.0/crypto-js.min.js"></script>
    <script>
        let room = getQueryParam('r')
        let key = getQueryParam('k')

        if (!room) room = generateUUID();
        if (!key) key = generateRandomHex();

        history.replaceState({}, '', `?r=${room}&k=${key}`);

        let name = 'Anonymous'

        name = window.prompt('Name', name);

        document.getElementById('copy').addEventListener('click', ()=>{
            let textToCopy = window.location.href;
            link(textToCopy);
        });


        function link(textToCopy) {
            const textArea = document.createElement('textarea');
            textArea.value = textToCopy;
            document.body.appendChild(textArea);
            textArea.select();
            textArea.setSelectionRange(0, 99999);
            document.execCommand('copy');
            document.body.removeChild(textArea);
            alert('Copied');
        }


        function getQueryParam(paramName) {
            const queryString = window.location.search;
            const params = new URLSearchParams(queryString);
            return params.get(paramName);
        }

        function generateRandomHex() {
            let hex = '';
            const characters = '0123456789ABCDEF';
            for (let i = 0; i < 32; i++) {
                hex += characters.charAt(Math.floor(Math.random() * characters.length));
            }
            return hex;
        }

        function encrypt(text) {
            const encrypted = CryptoJS.AES.encrypt(text, key).toString();
            return encrypted;
        }

        function decrypt(encryptedText) {
            const bytes = CryptoJS.AES.decrypt(encryptedText, key);
            const decrypted = bytes.toString(CryptoJS.enc.Utf8);
            return decrypted;
        }

        function generateUUID() {
            return ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
                (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
            );
        }

        function getdate() {
            const currentDate = new Date();
            const hours = String(currentDate.getHours()).padStart(2, '0');
            const minutes = String(currentDate.getMinutes()).padStart(2, '0');
            const seconds = String(currentDate.getSeconds()).padStart(2, '0');
            const formattedTime = `${hours}:${minutes}:${seconds}`;
            return formattedTime;
        }

        const socket = io('/', { auth: { room: room }, transports: ["websocket"] });
        const form = document.getElementById('form');
        const input = document.getElementById('input');
        const messages = document.getElementById('messages');

        form.addEventListener('submit', (e) => {
            e.preventDefault();
            if (input.value) {
                data = JSON.stringify({ name: name, messages: input.value })
                const encrypted = encrypt(data);
                socket.emit('chat', encrypted);
                input.value = '';
            }
        });

        socket.on('chat', (msg) => {
            const data = decrypt(msg);
            if (data == '') return false;
            const json = JSON.parse(data);
            if (!json) return false;
            color = '#000'
            if (json.name != name) {
                color = '#f00'
            }
            const meta = document.createElement('div');
            const content = document.createElement('div');
            const hr = document.createElement('hr');
            meta.innerHTML = '<strong>' + getdate() + ' ' + '<span style="color:' + color + '">' + json.name + '</span></strong>';
            content.innerText = json.messages;
            messages.appendChild(meta);
            messages.appendChild(content);
            messages.appendChild(hr);
            window.scrollTo(0, document.body.scrollHeight);
        });

        socket.on('error', (error) => {
            console.log(error)
        })

    </script>
</body>

</html>