docker-data/collaboration-example.html at main · dluxio/docker-data · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Hive Collaboration Example</title>
    <script src="https://unpkg.com/[email protected]/dist/yjs.js"></script>
    <script src="https://unpkg.com/@hocuspocus/[email protected]/dist/hocuspocus-provider.umd.js"></script>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            margin: 0;
            padding: 20px;
            background: #f5f5f5;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .auth-form {
            margin-bottom: 20px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 5px;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 15px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        input, textarea {
            width: 100%;
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
        }
        button {
            background: #007bff;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
        }
        button:hover {
            background: #0056b3;
        }
        button:disabled {
            background: #6c757d;
            cursor: not-allowed;
        }
        .editor {
            min-height: 300px;
            border: 1px solid #ddd;
            border-radius: 4px;
            padding: 15px;
            background: white;
            font-family: serif;
            line-height: 1.6;
        }
        .status {
            margin-top: 10px;
            padding: 10px;
            border-radius: 4px;
            font-size: 14px;
        }
        .status.success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        .status.error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        .users {
            margin-top: 10px;
            font-size: 14px;
        }
        .user-indicator {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 12px;
            color: white;
            font-size: 12px;
            margin-right: 5px;
        }
        .examples {
            margin-top: 20px;
            padding: 15px;
            background: #e9ecef;
            border-radius: 5px;
        }
        .examples h3 {
            margin-top: 0;
        }
        .examples pre {
            background: white;
            padding: 10px;
            border-radius: 3px;
            overflow-x: auto;
            font-size: 12px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>🚀 Hive Collaboration Server Example</h1>
        <p>This demonstrates real-time collaborative editing using Hocuspocus with Hive blockchain authentication.</p>

        <div class="auth-form">
            <h3>Authentication & Document</h3>
            <div class="form-group">
                <label for="account">Hive Account:</label>
                <input type="text" id="account" placeholder="your-hive-username" required>
            </div>
            <div class="form-group">
                <label for="privateKey">Private Key (Posting Key):</label>
                <input type="password" id="privateKey" placeholder="5JxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxKJ" required>
            </div>
            <div class="form-group">
                <label for="documentName">Document (owner/permlink):</label>
                <input type="text" id="documentName" placeholder="alice/my-document-2024" required>
            </div>
            <button onclick="connect()" id="connectBtn">Connect to Document</button>
            <button onclick="disconnect()" id="disconnectBtn" disabled>Disconnect</button>
        </div>

        <div class="editor" id="editor" contenteditable="false" style="opacity: 0.5;">
            Connect to start editing...
        </div>

        <div class="users" id="users">
            <strong>Connected Users:</strong> <span id="userList">None</span>
        </div>

        <div id="status"></div>

        <div class="examples">
            <h3>How it works:</h3>
            <p>1. Enter your Hive account credentials and document path</p>
            <p>2. The system generates authentication headers with a signed challenge</p>
            <p>3. Connects to the Hocuspocus server via WebSocket</p>
            <p>4. Real-time collaborative editing with Y.js CRDT</p>

            <h4>Authentication Headers Example:</h4>
            <pre id="authExample">Will show after connecting...</pre>

            <h4>WebSocket URL:</h4>
            <pre id="wsUrl">ws://localhost:1234/{owner}/{permlink}</pre>
        </div>
    </div>

    <script>
        let provider = null;
        let yDoc = null;
        let yText = null;
        let connected = false;

        // Mock Hive signature function (in real app, use hive-tx library)
        async function signChallenge(challenge, privateKey) {
            // This is a simplified mock - in production use proper hive-tx signing
            // For demo purposes, we'll generate a fake signature
            return `mock_signature_${challenge}_${privateKey.slice(-8)}`;
        }

        // Mock public key derivation (in real app, derive from private key)
        function getPublicKey(privateKey) {
            // This is a mock - in production derive actual public key from private key
            return `STM7MockPublicKey${privateKey.slice(-8)}`;
        }

        async function generateAuthToken(account, privateKey) {
            const challenge = Math.floor(Date.now() / 1000);
            const pubkey = getPublicKey(privateKey);
            const signature = await signChallenge(challenge.toString(), privateKey);

            const authData = {
                account,
                challenge: challenge.toString(),
                pubkey,
                signature
            };

            // Show auth example
            document.getElementById('authExample').textContent = JSON.stringify(authData, null, 2);

            return JSON.stringify(authData);
        }

        async function connect() {
            const account = document.getElementById('account').value.trim();
            const privateKey = document.getElementById('privateKey').value.trim();
            const documentName = document.getElementById('documentName').value.trim();

            if (!account || !privateKey || !documentName) {
                showStatus('Please fill in all fields', 'error');
                return;
            }

            if (!documentName.includes('/')) {
                showStatus('Document name must be in format: owner/permlink', 'error');
                return;
            }

            try {
                document.getElementById('connectBtn').disabled = true;
                showStatus('Generating authentication...', 'success');

                // Generate auth token
                const token = await generateAuthToken(account, privateKey);

                // Update WebSocket URL display
                document.getElementById('wsUrl').textContent = `ws://localhost:1234/${documentName}`;

                // Create Y.js document
                yDoc = new Y.Doc();
                yText = yDoc.getText('content');

                showStatus('Connecting to collaboration server...', 'success');

                // Create Hocuspocus provider
                provider = new HocuspocusProvider({
                    url: 'ws://localhost:1234',
                    name: documentName,
                    token: token,
                    document: yDoc,
                });

                // Handle connection events
                provider.on('connect', () => {
                    connected = true;
                    showStatus('✅ Connected! You can now edit collaboratively.', 'success');
                    document.getElementById('editor').contentEditable = true;
                    document.getElementById('editor').style.opacity = 1;
                    document.getElementById('editor').innerHTML = yText.toString() || 'Start typing...';
                    document.getElementById('disconnectBtn').disabled = false;

                    // Bind Y.js text to contenteditable
                    bindTextEditor();
                });

                provider.on('disconnect', () => {
                    connected = false;
                    showStatus('❌ Disconnected from server', 'error');
                    document.getElementById('editor').contentEditable = false;
                    document.getElementById('editor').style.opacity = 0.5;
                    document.getElementById('connectBtn').disabled = false;
                    document.getElementById('disconnectBtn').disabled = true;
                });

                provider.on('authenticationFailed', (error) => {
                    showStatus(`❌ Authentication failed: ${error.reason}`, 'error');
                    document.getElementById('connectBtn').disabled = false;
                });

                // Handle awareness (user presence)
                provider.awareness.on('change', () => {
                    updateUserList();
                });

            } catch (error) {
                showStatus(`❌ Connection failed: ${error.message}`, 'error');
                document.getElementById('connectBtn').disabled = false;
            }
        }

        function bindTextEditor() {
            const editor = document.getElementById('editor');

            // Sync Y.js text changes to editor
            yText.observe((event) => {
                if (!event.target.equals(yText)) return;

                // Update editor content without losing cursor position
                const content = yText.toString();
                if (editor.innerHTML !== content) {
                    const selection = window.getSelection();
                    const range = selection.rangeCount > 0 ? selection.getRangeAt(0) : null;

                    editor.innerHTML = content;

                    // Restore cursor position
                    if (range) {
                        try {
                            selection.removeAllRanges();
                            selection.addRange(range);
                        } catch (e) {
                            // Cursor position might be invalid
                        }
                    }
                }
            });

            // Sync editor changes to Y.js
            editor.addEventListener('input', () => {
                const content = editor.innerText;
                if (content !== yText.toString()) {
                    yText.delete(0, yText.length);
                    yText.insert(0, content);
                }
            });
        }

        function updateUserList() {
            if (!provider) return;

            const users = Array.from(provider.awareness.getStates().values())
                .filter(state => state.user)
                .map(state => state.user);

            const userList = document.getElementById('userList');

            if (users.length === 0) {
                userList.innerHTML = 'None';
            } else {
                userList.innerHTML = users.map(user =>
                    `<span class="user-indicator" style="background-color: ${user.color}">
                        ${user.name}
                    </span>`
                ).join('');
            }
        }

        function disconnect() {
            if (provider) {
                provider.destroy();
                provider = null;
            }
            if (yDoc) {
                yDoc.destroy();
                yDoc = null;
            }
            yText = null;
            connected = false;

            document.getElementById('editor').contentEditable = false;
            document.getElementById('editor').style.opacity = 0.5;
            document.getElementById('editor').innerHTML = 'Connect to start editing...';
            document.getElementById('connectBtn').disabled = false;
            document.getElementById('disconnectBtn').disabled = true;
            document.getElementById('userList').innerHTML = 'None';

            showStatus('Disconnected', 'error');
        }

        function showStatus(message, type) {
            const status = document.getElementById('status');
            status.textContent = message;
            status.className = `status ${type}`;
        }

        // Demo helper: populate with example data
        window.addEventListener('load', () => {
            document.getElementById('account').value = 'alice';
            document.getElementById('documentName').value = 'alice/my-document-2024';
        });
    </script>
</body>
</html>