CaveOps | Snippets: RealVNC Viewer Profile Generator

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 500px;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

input, select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #f8f9fa;
}

input:focus, select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background-color: white;
}

button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 10px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

button:active {
    transform: translateY(0);
}

.required::after {
    content: " *";
    color: #e74c3c;
}

.note {
    font-size: 12px;
    color: #7f8c8d;
    margin-top: 5px;
    font-style: italic;
}

@media (max-width: 600px) {
    .container {
        padding: 25px;
        margin: 10px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    input, select, button {
        padding: 12px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

CSS Before Head

HTML Head

CSS After Head

JS Before HTML Body

<div class="container">
        <h1>RealVNC Viewer Profile Generator</h1>
        <form id="vncForm">
            <div class="form-group">
                <label for="host" class="required">Host</label>
                <input type="text" id="host" name="host" required placeholder="e.g., localhost or 192.168.1.100">
            </div>

            <div class="form-group">
                <label for="port">Port</label>
                <input type="number" id="port" name="port" value="5900" placeholder="Default: 5900">
                <div class="note">Leave blank to use default value 5900</div>
            </div>

            <div class="form-group">
                <label for="labels">Labels</label>
                <input type="text" id="labels" name="labels" placeholder="e.g., Work, Home">
                <div class="note">Optional, separate multiple labels with commas</div>
            </div>

            <div class="form-group">
                <label for="username" class="required">Username</label>
                <input type="text" id="username" name="username" value="ezra" required placeholder="Enter username">
            </div>

            <div class="form-group">
                <label for="password">Password</label>
                <input type="password" id="password" name="password" placeholder="Enter password">
                <div class="note">Optional, leave blank to enter during connection</div>
            </div>

            <div class="form-group">
                <label for="filename" class="required">File Name</label>
                <input type="text" id="filename" name="filename" required placeholder="e.g., MyServer" pattern="[a-zA-Z0-9_-]+">
                <div class="note">File name can only contain letters, numbers, underscores, and hyphens</div>
            </div>

            <button type="submit">Generate VNC File</button>
        </form>
    </div>

HTML Body

HTML Foot

document.getElementById('vncForm').addEventListener('submit', function(e) {
    e.preventDefault();
    
    const formData = new FormData(this);
    const host = formData.get('host');
    const port = formData.get('port') || '5900';
    const labels = formData.get('labels');
    const username = formData.get('username') || 'ezra';
    const password = formData.get('password');
    const filename = formData.get('filename');
    
    // Generate current time (ISO format)
    const connTime = new Date().toISOString();
    
    // Generate UUID (simplified version)
    const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
        const r = Math.random() * 16 | 0;
        const v = c == 'x' ? r : (r & 0x3 | 0x8);
        return v.toString(16);
    });
    
    // Build VNC configuration content
    let vncContent = `ConnMethod=tcp\n`;
    vncContent += `ConnTime=${connTime}\n`;
    vncContent += `Encryption=PreferOn\n`;
    vncContent += `FullScreenMonitors=\n`;
    vncContent += `Host=${host}\n`;
    vncContent += `Port=${port}\n`;
    vncContent += `RelativePtr=0\n`;
    vncContent += `Uuid=${uuid}\n`;
    if (labels) {
        vncContent += `Labels=${labels}\n`;
    } else {
        vncContent += `Labels=\n`;
    }
    vncContent += `UserName=${username}\n`;
    if (password) {
        vncContent += `Password=${password}\n`;
    } else {
        vncContent += `Password=\n`;
    }
    
    // Create and download file
    const blob = new Blob([vncContent], { type: 'application/octet-stream' });
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url;
    a.download = `${filename}.vnc`;
    document.body.appendChild(a);
    a.click();
    document.body.removeChild(a);
    URL.revokeObjectURL(url);
});

JS After HTML Body