264 lines
6.8 KiB
Go
264 lines
6.8 KiB
Go
// proxy/index.go
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package proxy
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import (
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"net/http"
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)
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func ServeIndexPage(w http.ResponseWriter, r *http.Request) {
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html := `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Secure Site Proxy</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 20px;
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}
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.container {
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background: white;
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padding: 40px;
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border-radius: 15px;
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box-shadow: 0 20px 60px rgba(0,0,0,0.3);
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width: 100%;
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max-width: 700px;
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}
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.header {
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text-align: center;
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margin-bottom: 30px;
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}
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.header h1 {
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font-size: 32px;
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color: #333;
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margin-bottom: 10px;
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}
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.header p {
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color: #666;
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font-size: 14px;
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}
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.form-group {
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margin-bottom: 20px;
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}
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label {
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display: block;
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margin-bottom: 8px;
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color: #555;
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font-weight: 500;
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font-size: 14px;
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}
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.input-wrapper {
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position: relative;
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display: flex;
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gap: 10px;
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}
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input[type="url"] {
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flex: 1;
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padding: 14px 16px;
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border: 2px solid #e0e0e0;
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border-radius: 8px;
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font-size: 15px;
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transition: all 0.3s;
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}
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input[type="url"]:focus {
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outline: none;
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border-color: #667eea;
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box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
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}
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button {
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padding: 14px 30px;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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border-radius: 8px;
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font-size: 15px;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.3s;
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white-space: nowrap;
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}
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button:hover {
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transform: translateY(-2px);
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box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
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}
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button:active {
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transform: translateY(0);
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}
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.info-box {
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background: #f8f9fa;
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border-left: 4px solid #667eea;
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padding: 15px;
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border-radius: 5px;
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margin-top: 20px;
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}
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.info-box h3 {
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font-size: 14px;
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color: #333;
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margin-bottom: 8px;
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}
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.info-box ul {
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list-style: none;
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padding-left: 0;
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}
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.info-box li {
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font-size: 13px;
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color: #666;
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margin-bottom: 5px;
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padding-left: 20px;
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position: relative;
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}
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.info-box li:before {
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content: "✓";
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position: absolute;
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left: 0;
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color: #667eea;
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font-weight: bold;
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}
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.footer {
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margin-top: 20px;
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text-align: center;
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.footer a {
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color: #667eea;
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text-decoration: none;
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font-size: 14px;
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transition: color 0.3s;
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}
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.footer a:hover {
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color: #764ba2;
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}
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.stats {
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font-size: 12px;
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color: #999;
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}
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@media (max-width: 600px) {
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.container {
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padding: 25px;
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}
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.header h1 {
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font-size: 24px;
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}
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.input-wrapper {
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flex-direction: column;
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}
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button {
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width: 100%;
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}
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🔒 Secure Site Proxy</h1>
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<p>Access websites securely through encrypted proxy</p>
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</div>
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<form id="proxyForm">
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<div class="form-group">
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<label for="targetUrl">Enter URL to access:</label>
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<div class="input-wrapper">
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<input
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type="url"
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id="targetUrl"
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name="url"
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placeholder="https://example.com"
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required
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autofocus
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pattern="https?://.+"
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>
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<button type="submit">Access</button>
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</div>
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</div>
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</form>
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<div class="info-box">
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<h3>Security Features:</h3>
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<ul>
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<li>End-to-end encrypted connection</li>
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<li>No logging of accessed URLs</li>
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<li>Automatic content rewriting</li>
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<li>Protection against private network access</li>
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</ul>
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</div>
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<div class="footer">
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<a href="/logout">Logout</a>
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<span class="stats" id="stats"></span>
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</div>
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</div>
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<script>
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document.getElementById('proxyForm').addEventListener('submit', function(e) {
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e.preventDefault();
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const url = document.getElementById('targetUrl').value;
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// 基本验证
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if (!url.startsWith('http://') && !url.startsWith('https://')) {
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alert('URL must start with http:// or https://');
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return;
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}
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// 跳转到代理页面
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window.location.href = '/proxy?url=' + encodeURIComponent(url);
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});
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// 加载统计信息（可选）
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fetch('/stats')
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.then(r => r.json())
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.then(data => {
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document.getElementById('stats').textContent =
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'Cache: ' + data.entries + ' entries, ' +
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(data.size / 1024 / 1024).toFixed(2) + ' MB';
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})
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.catch(() => {});
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</script>
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</body>
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</html>`
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.Write([]byte(html))
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}
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