Upload 5 files

config.php

@@ -1,16 +1,15 @@
 <?php
 require_once __DIR__ . '/storage.php';
+require_once __DIR__ . '/user-manager.php';
 
-// Try GitHub user management first
-$githubUserManager = new GitHubUserManager();
-$useGitHubAuth = true;
-
-// Check authentication - prioritize GitHub user management
+// Check authentication
+$userManager = new UserManager();
 $authenticated = false;
-if ($githubUserManager->isLoggedIn()) {
+
+if ($userManager->isLoggedIn()) {
     $authenticated = true;
 } else {
-    // Fallback to environment variable authentication
+    // Fallback to Basic Auth for environment variables
     if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
         $users = StorageConfig::getUsers();
         $username = $_SERVER['PHP_AUTH_USER'];
@@ -18,7 +17,6 @@ if ($githubUserManager->isLoggedIn()) {
         
         if (isset($users[$username]) && $users[$username] === $password) {
             $authenticated = true;
-            $useGitHubAuth = false;
         }
     }
 }
@@ -53,33 +51,34 @@ if (!$authenticated) {
                 <!-- User Management Section -->
                 <div class="config-section">
                     <h2>👥 用户管理系统</h2>
-                    <?php if ($useGitHubAuth): ?>
-                        <div class="status-item status-ok">✅ 使用 GitHub 用户管理</div>
-                        <div class="status-item status-ok">👤 当前用户: <?= htmlspecialchars($githubUserManager->getCurrentUser()) ?></div>
+                    <?php
+                    $envUsers = StorageConfig::getUsers();
+                    if (!empty($envUsers)) {
+                        echo '<div class="status-item status-ok">✅ 环境变量用户系统 (简单高效)</div>';
+                        echo '<div class="status-item status-ok">📊 已配置 ' . count($envUsers) . ' 个用户账号</div>';
+                        foreach ($envUsers as $username => $password) {
+                            echo '<div class="status-item status-ok">👤 用户: ' . htmlspecialchars($username) . '</div>';
+                        }
                         
-                        <div class="mt-3">
-                            <h4>💡 GitHub 用户管理特性</h4>
-                            <ul>
-                                <li>✅ 用户数据存储在 GitHub 仓库中，永不丢失</li>
-                                <li>✅ 多实例间自动同步用户数据</li>
-                                <li>✅ 每次登录都从 GitHub 加载最新数据</li>
-                                <li>✅ 支持登录和密码修改功能</li>
-                            </ul>
-                        </div>
-                    <?php else: ?>
-                        <div class="status-item status-warning">⚠️ 使用环境变量用户管理 (基础模式)</div>
-                        <?php
-                        $envUsers = StorageConfig::getUsers();
-                        if (!empty($envUsers)) {
-                            echo '<div class="status-item status-ok">✅ ' . count($envUsers) . ' 个环境变量用户</div>';
-                            foreach ($envUsers as $username => $password) {
-                                echo '<div class="status-item status-ok">👤 User: ' . htmlspecialchars($username) . '</div>';
-                            }
-                        } else {
-                            echo '<div class="status-item status-error">❌ 未找到用户配置</div>';
+                        if ($userManager->isLoggedIn()) {
+                            echo '<div class="status-item status-ok">🔐 当前登录用户: ' . htmlspecialchars($userManager->getCurrentUser()) . '</div>';
                         }
-                        ?>
-                    <?php endif; ?>
+                    } else {
+                        echo '<div class="status-item status-error">❌ 未找到用户配置</div>';
+                        echo '<div class="status-item status-warning">请检查环境变量 USER_1_NAME, USER_1_PASSWORD 等设置</div>';
+                    }
+                    ?>
+                    
+                    <div class="mt-3">
+                        <h4>💡 用户管理特性</h4>
+                        <ul>
+                            <li>✅ 基于环境变量配置，安全可靠</li>
+                            <li>✅ 用户数据按账号隔离存储</li>
+                            <li>✅ GitHub仓库按用户目录分类</li>
+                            <li>✅ 支持session登录，用户体验良好</li>
+                            <li>✅ 无注册功能，管理员完全控制</li>
+                        </ul>
+                    </div>
                 </div>
 
                 <!-- Storage Configuration -->
@@ -112,6 +111,7 @@ if (!$authenticated) {
                             echo '<div class="status-item status-ok">✅ Repository: ' . htmlspecialchars($github['owner']) . '/' . htmlspecialchars($github['repo']) . '</div>';
                             echo '<div class="status-item status-ok">🌿 Branch: ' . htmlspecialchars($github['branch']) . '</div>';
                             echo '<div class="status-item status-ok">📂 Path: ' . htmlspecialchars($github['path']) . '</div>';
+                            echo '<div class="status-item status-ok">🔗 用户文件存储结构: <code>' . htmlspecialchars($github['path']) . 'users/{username}/*.html</code></div>';
                         }
                     }
                     
@@ -140,22 +140,6 @@ if (!$authenticated) {
                             echo '<div class="status-item status-error">　- ' . htmlspecialchars($error) . '</div>';
                         }
                     }
-                    
-                    // Test GitHub connectivity if configured
-                    if (!empty($github['token']) && !empty($github['owner']) && !empty($github['repo'])) {
-                        echo '<h4>🔗 GitHub 连接测试</h4>';
-                        try {
-                            $branchCheck = StorageConfig::checkGitHubBranch();
-                            if ($branchCheck['success']) {
-                                echo '<div class="status-item status-ok">✅ GitHub 连接正常</div>';
-                                echo '<div class="status-item status-ok">🌿 分支检查: ' . htmlspecialchars($branchCheck['message']) . '</div>';
-                            } else {
-                                echo '<div class="status-item status-error">❌ GitHub 连接失败: ' . htmlspecialchars($branchCheck['message']) . '</div>';
-                            }
-                        } catch (Exception $e) {
-                            echo '<div class="status-item status-error">❌ GitHub 测试异常: ' . htmlspecialchars($e->getMessage()) . '</div>';
-                        }
-                    }
                     ?>
                 </div>
 
@@ -164,29 +148,38 @@ if (!$authenticated) {
                     <h2>🚀 快速操作</h2>
                     <div class="row">
                         <div class="col-md-6">
-                            <a href="editor.html" class="btn btn-primary btn-lg w-100">
-                                📝 启动编辑器
+                            <a href="/" class="btn btn-success btn-lg w-100">
+                                🔐 用户登录
                             </a>
                         </div>
                         <div class="col-md-6">
-                            <a href="login.html" class="btn btn-success btn-lg w-100">
-                                🔐 用户登录
+                            <a href="editor.html" class="btn btn-primary btn-lg w-100">
+                                📝 启动编辑器
                             </a>
                         </div>
                     </div>
                 </div>
 
-                <!-- User Data Migration Notice -->
-                <?php if (file_exists(__DIR__ . '/user-data/users.json')): ?>
+                <!-- File Structure Info -->
                 <div class="config-section">
+                    <h2>📁 文件结构说明</h2>
                     <div class="alert alert-info">
-                        <h4>📋 数据迁移提示</h4>
-                        <p>检测到本地用户数据文件 <code>user-data/users.json</code>。</p>
-                        <p>现在系统已升级为从 GitHub 仓库加载用户数据，确保多实例间数据同步。</p>
-                        <p>如需迁移现有用户数据，请联系管理员。</p>
+                        <h5>GitHub 存储结构</h5>
+                        <pre><code>pages/
+├── users/
+│   ├── PS01/
+│   │   ├── index.html
+│   │   └── about.html
+│   ├── PS02/
+│   │   ├── portfolio.html
+│   │   └── contact.html
+│   ├── PS03/
+│   │   └── blog.html
+│   └── PS04/
+│       └── products.html</code></pre>
+                        <p><strong>说明：</strong> 每个用户只能访问和编辑自己目录下的文件，实现完全的数据隔离。</p>
                     </div>
                 </div>
-                <?php endif; ?>
             </div>
         </div>
     </div>

index.html

@@ -1,127 +1,223 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="zh-CN">
 <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>VvvebJs - Visual Website Builder</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <style>
         body {
             background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
             min-height: 100vh;
             display: flex;
-            flex-direction: column;
-            justify-content: center;
             align-items: center;
-            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
-            margin: 0;
-            padding: 20px;
+            justify-content: center;
+            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
         }
-        
-        .cyber-card {
-            background: rgba(255, 255, 255, 0.1);
-            backdrop-filter: blur(20px);
-            border: 1px solid rgba(255, 255, 255, 0.2);
+        .login-container {
+            background: rgba(255, 255, 255, 0.95);
             border-radius: 20px;
+            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
             padding: 40px;
-            text-align: center;
-            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
-            margin-bottom: 30px;
             min-width: 400px;
+            backdrop-filter: blur(10px);
         }
-        
-        .repo-title {
-            color: #fff;
-            font-size: 2.5em;
-            font-weight: 700;
-            margin: 0 0 10px 0;
-            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
+        .login-header {
+            text-align: center;
+            margin-bottom: 30px;
         }
-        
-        .repo-subtitle {
-            color: rgba(255, 255, 255, 0.8);
-            font-size: 1.2em;
-            margin: 0 0 20px 0;
+        .login-header h1 {
+            color: #333;
+            font-weight: 600;
+            margin-bottom: 10px;
         }
-        
-        .repo-info {
-            display: flex;
-            justify-content: space-around;
-            margin: 20px 0;
+        .login-header p {
+            color: #666;
+            margin: 0;
         }
-        
-        .info-item {
-            color: rgba(255, 255, 255, 0.9);
-            font-size: 0.9em;
+        .form-control {
+            border-radius: 10px;
+            padding: 12px 16px;
+            border: 2px solid #e1e5e9;
+            margin-bottom: 20px;
         }
-        
-        .info-value {
-            display: block;
-            color: #fff;
-            font-weight: 600;
-            margin-top: 5px;
+        .form-control:focus {
+            border-color: #667eea;
+            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
         }
-        
-        .login-btn {
-            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
-            color: white;
+        .btn-login {
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
             border: none;
-            padding: 15px 40px;
-            font-size: 1.1em;
+            border-radius: 10px;
+            padding: 12px;
             font-weight: 600;
-            border-radius: 50px;
-            cursor: pointer;
-            text-decoration: none;
-            display: inline-block;
-            transition: all 0.3s ease;
-            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
+            color: white;
+            width: 100%;
+            margin-top: 10px;
         }
-        
-        .login-btn:hover {
+        .btn-login:hover {
             transform: translateY(-2px);
-            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
+            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
+            color: white;
         }
-        
-        @media (max-width: 480px) {
-            .cyber-card {
-                min-width: auto;
-                margin: 0 10px 30px 10px;
-                padding: 30px 20px;
-            }
-            .repo-title {
-                font-size: 2em;
-            }
-            .repo-info {
-                flex-direction: column;
-                gap: 15px;
-            }
+        .alert {
+            border-radius: 10px;
+            margin-bottom: 20px;
+        }
+        .features {
+            margin-top: 30px;
+            padding-top: 20px;
+            border-top: 1px solid #e1e5e9;
+        }
+        .features h6 {
+            color: #333;
+            margin-bottom: 15px;
+        }
+        .features ul {
+            color: #666;
+            font-size: 14px;
+        }
+        .features ul li {
+            margin-bottom: 8px;
         }
     </style>
 </head>
 <body>
-    <!-- 赛博信息卡片仓库 -->
-    <div class="cyber-card">
-        <h1 class="repo-title">🔮 VvvebJs</h1>
-        <p class="repo-subtitle">赛博视觉网站构建器</p>
+    <div class="login-container">
+        <div class="login-header">
+            <h1>🎨 VvvebJs Editor</h1>
+            <p>请登录以继续使用可视化网站编辑器</p>
+        </div>
         
-        <div class="repo-info">
-            <div class="info-item">
-                <span>存储类型</span>
-                <span class="info-value">GitHub</span>
-            </div>
-            <div class="info-item">
-                <span>认证状态</span>
-                <span class="info-value">🔐 安全</span>
+        <div id="alert-container"></div>
+        
+        <form id="loginForm">
+            <div class="form-group">
+                <label for="username" class="form-label">用户名</label>
+                <input type="text" class="form-control" id="username" name="username" placeholder="请输入用户名" required>
             </div>
-            <div class="info-item">
-                <span>版本</span>
-                <span class="info-value">v2.0</span>
+            
+            <div class="form-group">
+                <label for="password" class="form-label">密码</label>
+                <input type="password" class="form-control" id="password" name="password" placeholder="请输入密码" required>
             </div>
+            
+            <button type="submit" class="btn btn-login">
+                <span id="loginText">登录</span>
+                <span id="loginSpinner" class="spinner-border spinner-border-sm d-none" role="status"></span>
+            </button>
+        </form>
+        
+        <div class="features">
+            <h6>🚀 主要功能</h6>
+            <ul>
+                <li>🎨 可视化拖拽编辑器</li>
+                <li>📱 Bootstrap 5 响应式组件</li>
+                <li>💾 GitHub 云端存储，数据按用户隔离</li>
+                <li>🔄 实时保存，多实例同步</li>
+                <li>🔒 用户权限隔离，只能访问自己的文件</li>
+            </ul>
         </div>
     </div>
+
+    <script>
+        // Check if already logged in
+        window.onload = function() {
+            fetch('user-manager.php', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/x-www-form-urlencoded',
+                },
+                body: 'action=check_login'
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.logged_in) {
+                    // Already logged in, redirect to editor
+                    window.location.href = 'editor.html';
+                }
+            })
+            .catch(error => {
+                console.log('Auth check failed:', error);
+            });
+        };
+
+        function showAlert(message, type = 'danger') {
+            const alertContainer = document.getElementById('alert-container');
+            alertContainer.innerHTML = `
+                <div class="alert alert-${type} alert-dismissible fade show" role="alert">
+                    ${message}
+                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                </div>
+            `;
+        }
+
+        function setLoading(loading) {
+            const loginText = document.getElementById('loginText');
+            const loginSpinner = document.getElementById('loginSpinner');
+            const submitBtn = document.querySelector('.btn-login');
+            
+            if (loading) {
+                loginText.classList.add('d-none');
+                loginSpinner.classList.remove('d-none');
+                submitBtn.disabled = true;
+            } else {
+                loginText.classList.remove('d-none');
+                loginSpinner.classList.add('d-none');
+                submitBtn.disabled = false;
+            }
+        }
+
+        document.getElementById('loginForm').addEventListener('submit', async function(e) {
+            e.preventDefault();
+            
+            const username = document.getElementById('username').value;
+            const password = document.getElementById('password').value;
+            
+            if (!username || !password) {
+                showAlert('请填写用户名和密码');
+                return;
+            }
+            
+            setLoading(true);
+            
+            try {
+                const response = await fetch('user-manager.php', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/x-www-form-urlencoded',
+                    },
+                    body: `action=login&username=${encodeURIComponent(username)}&password=${encodeURIComponent(password)}`
+                });
+                
+                const result = await response.json();
+                
+                if (result.success) {
+                    showAlert('登录成功！正在跳转...', 'success');
+                    setTimeout(() => {
+                        window.location.href = 'editor.html';
+                    }, 1000);
+                } else {
+                    showAlert(result.message || '登录失败');
+                    setLoading(false);
+                }
+            } catch (error) {
+                showAlert('网络错误，请重试');
+                setLoading(false);
+            }
+        });
+
+        // Auto focus on username field
+        document.getElementById('username').focus();
+        
+        // Allow Enter key to submit
+        document.addEventListener('keypress', function(e) {
+            if (e.key === 'Enter') {
+                document.getElementById('loginForm').dispatchEvent(new Event('submit'));
+            }
+        });
+    </script>
     
-    <!-- 登录按钮 -->
-    <a href="editor.html" class="login-btn">
-        🚀 进入编辑器
-    </a>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
 </body>
 </html>

save.php

@@ -18,34 +18,20 @@ https://github.com/givanz/VvvebJs
 
 // Include storage classes
 require_once __DIR__ . '/storage.php';
+require_once __DIR__ . '/user-manager.php';
 
-// Authentication check using GitHub-based user management
+// Authentication check
 function checkAuth() {
-    // Try GitHub user management first
-    $githubUserManager = new GitHubUserManager();
+    $userManager = new UserManager();
     
     // Check if user is logged in via session
-    if ($githubUserManager->isLoggedIn()) {
+    if ($userManager->isLoggedIn()) {
         return true;
     }
     
-    // Fallback to Basic Auth for environment variables
-    if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW'])) {
-        header('WWW-Authenticate: Basic realm="VvvebJs"');
-        header('HTTP/1.0 401 Unauthorized');
-        die('Authentication required');
-    }
-    
-    $users = StorageConfig::getUsers();
-    $username = $_SERVER['PHP_AUTH_USER'];
-    $password = $_SERVER['PHP_AUTH_PW'];
-    
-    if (!isset($users[$username]) || $users[$username] !== $password) {
-        header('HTTP/1.0 401 Unauthorized');
-        die('Invalid credentials');
-    }
-    
-    return true;
+    // No authentication found
+    header('Location: login.html');
+    exit;
 }
 
 // Check authentication
@@ -53,10 +39,10 @@ $action = $_GET['action'] ?? $_POST['action'] ?? '';
 
 // Special handling for auth check
 if ($action === 'checkAuth') {
-    $githubUserManager = new GitHubUserManager();
-    if ($githubUserManager->isLoggedIn()) {
+    $userManager = new UserManager();
+    if ($userManager->isLoggedIn()) {
         http_response_code(200);
-        echo json_encode(['authenticated' => true, 'user' => $githubUserManager->getCurrentUser()]);
+        echo json_encode(['authenticated' => true, 'user' => $userManager->getCurrentUser()]);
     } else {
         http_response_code(401);
         echo json_encode(['authenticated' => false]);

storage.php

@@ -43,6 +43,16 @@ class StorageConfig {
     }
     
     public static function getCurrentUser() {
+        // Check session first
+        if (session_status() === PHP_SESSION_NONE) {
+            session_start();
+        }
+        
+        if (isset($_SESSION['username'])) {
+            return $_SESSION['username'];
+        }
+        
+        // Fallback to Basic Auth
         return $_SERVER['PHP_AUTH_USER'] ?? 'anonymous';
     }
     
@@ -54,550 +64,6 @@ class StorageConfig {
         $safeUsername = preg_replace('/[^a-zA-Z0-9_-]/', '_', $username);
         return "users/{$safeUsername}/";
     }
-
-    private static function makeGitHubRequest($url, $method = 'GET', $data = null) {
-        $config = self::getGitHubConfig();
-        
-        if (empty($config['token'])) {
-            return [
-                'body' => false,
-                'http_code' => 401,
-                'headers' => [],
-                'error' => 'GitHub token not configured'
-            ];
-        }
-        
-        $headers = [
-            'Authorization: token ' . $config['token'],
-            'Accept: application/vnd.github.v3+json',
-            'User-Agent: VvvebJs-Visual-Editor/1.0',
-            'Content-Type: application/json'
-        ];
-        
-        $contextOptions = [
-            'http' => [
-                'method' => $method,
-                'header' => implode("\r\n", $headers),
-                'ignore_errors' => true,
-                'timeout' => 30
-            ]
-        ];
-        
-        if ($data && in_array($method, ['POST', 'PUT', 'PATCH'])) {
-            $contextOptions['http']['content'] = json_encode($data);
-        }
-        
-        $context = stream_context_create($contextOptions);
-        $response = @file_get_contents($url, false, $context);
-        $httpCode = 0;
-        
-        if (isset($http_response_header)) {
-            foreach ($http_response_header as $header) {
-                if (preg_match('/HTTP\/\d\.\d\s+(\d+)/', $header, $matches)) {
-                    $httpCode = (int)$matches[1];
-                    break;
-                }
-            }
-        }
-        
-        return [
-            'body' => $response,
-            'http_code' => $httpCode,
-            'headers' => $http_response_header ?? [],
-            'error' => $response === false ? 'Request failed' : null
-        ];
-    }
-    
-    public static function checkGitHubBranch() {
-        $config = self::getGitHubConfig();
-        
-        if (empty($config['token']) || empty($config['owner']) || empty($config['repo'])) {
-            return [
-                'success' => false,
-                'http_code' => 400,
-                'message' => 'GitHub configuration incomplete'
-            ];
-        }
-        
-        // First check if repository exists and get default branch
-        $repoUrl = "https://api.github.com/repos/{$config['owner']}/{$config['repo']}";
-        $repoResult = self::makeGitHubRequest($repoUrl);
-        
-        if ($repoResult['http_code'] !== 200) {
-            return [
-                'success' => false,
-                'http_code' => $repoResult['http_code'],
-                'message' => 'Cannot access repository: ' . ($repoResult['error'] ?? 'Unknown error')
-            ];
-        }
-        
-        $repoData = json_decode($repoResult['body'], true);
-        $defaultBranch = $repoData['default_branch'] ?? 'main';
-        
-        // If user specified branch matches default branch, use it
-        if ($config['branch'] === $defaultBranch) {
-            return [
-                'success' => true,
-                'http_code' => 200,
-                'message' => "Using default branch: {$defaultBranch}",
-                'branch' => $defaultBranch
-            ];
-        }
-        
-        // Check if specified branch exists
-        $branchUrl = "https://api.github.com/repos/{$config['owner']}/{$config['repo']}/branches/{$config['branch']}";
-        $branchResult = self::makeGitHubRequest($branchUrl);
-        
-        if ($branchResult['http_code'] === 200) {
-            return [
-                'success' => true,
-                'http_code' => 200,
-                'message' => "Branch '{$config['branch']}' exists",
-                'branch' => $config['branch']
-            ];
-        }
-        
-        // If branch doesn't exist, try to create it
-        if ($branchResult['http_code'] === 404) {
-            return self::createGitHubBranch($defaultBranch);
-        }
-        
-        return [
-            'success' => false,
-            'http_code' => $branchResult['http_code'],
-            'message' => "Branch check failed: " . ($branchResult['error'] ?? 'Unknown error')
-        ];
-    }
-    
-    private static function createGitHubBranch($defaultBranch = 'main') {
-        $config = self::getGitHubConfig();
-        
-        // Get the default branch reference
-        $refUrl = "https://api.github.com/repos/{$config['owner']}/{$config['repo']}/git/refs/heads/{$defaultBranch}";
-        $refResult = self::makeGitHubRequest($refUrl);
-        
-        if ($refResult['http_code'] !== 200) {
-            return [
-                'success' => false,
-                'http_code' => $refResult['http_code'],
-                'message' => "Cannot get {$defaultBranch} branch reference: " . ($refResult['error'] ?? 'Unknown error')
-            ];
-        }
-        
-        $refData = json_decode($refResult['body'], true);
-        $sha = $refData['object']['sha'];
-        
-        // Create new branch
-        $createUrl = "https://api.github.com/repos/{$config['owner']}/{$config['repo']}/git/refs";
-        $createData = [
-            'ref' => "refs/heads/{$config['branch']}",
-            'sha' => $sha
-        ];
-        
-        $createResult = self::makeGitHubRequest($createUrl, 'POST', $createData);
-        
-        if ($createResult['http_code'] === 201) {
-            return [
-                'success' => true,
-                'http_code' => 201,
-                'message' => "Branch '{$config['branch']}' created successfully",
-                'branch' => $config['branch']
-            ];
-        }
-        
-        return [
-            'success' => false,
-            'http_code' => $createResult['http_code'],
-            'message' => "Failed to create branch: " . ($createResult['error'] ?? 'Unknown error')
-        ];
-    }
-    
-    public static function testGitHubPermissions() {
-        $config = self::getGitHubConfig();
-        
-        // Test by creating a simple test file
-        $testFile = '.vvvebjs-test-' . time() . '.txt';
-        $testContent = 'VvvebJs test file - safe to delete';
-        
-        $result = self::saveToGitHub($testFile, $testContent);
-        
-        if ($result['success']) {
-            // Try to delete the test file
-            self::deleteFromGitHub($testFile);
-        }
-        
-        return $result;
-    }
-    
-    public static function saveToGitHub($filename, $content) {
-        $config = self::getGitHubConfig();
-        $path = rtrim($config['path'], '/') . '/' . ltrim($filename, '/');
-        
-        // Check if file exists first
-        $fileUrl = "https://api.github.com/repos/{$config['owner']}/{$config['repo']}/contents/{$path}";
-        $fileResult = self::makeGitHubRequest($fileUrl);
-        
-        $isUpdate = $fileResult['http_code'] === 200;
-        $sha = null;
-        
-        if ($isUpdate) {
-            $fileData = json_decode($fileResult['body'], true);
-            $sha = $fileData['sha'] ?? null;
-        }
-        
-        $commitData = [
-            'message' => $isUpdate ? "Update {$filename}" : "Create {$filename}",
-            'content' => base64_encode($content),
-            'branch' => $config['branch']
-        ];
-        
-        if ($sha) {
-            $commitData['sha'] = $sha;
-        }
-        
-        $result = self::makeGitHubRequest($fileUrl, 'PUT', $commitData);
-        
-        return [
-            'success' => in_array($result['http_code'], [200, 201]),
-            'http_code' => $result['http_code'],
-            'message' => in_array($result['http_code'], [200, 201]) ? 
-                ($isUpdate ? 'File updated' : 'File created') : 
-                'Save failed: ' . ($result['error'] ?? 'Unknown error')
-        ];
-    }
-    
-    public static function deleteFromGitHub($filename) {
-        $config = self::getGitHubConfig();
-        $path = rtrim($config['path'], '/') . '/' . ltrim($filename, '/');
-        
-        // Get file info first
-        $fileUrl = "https://api.github.com/repos/{$config['owner']}/{$config['repo']}/contents/{$path}";
-        $fileResult = self::makeGitHubRequest($fileUrl);
-        
-        if ($fileResult['http_code'] !== 200) {
-            return [
-                'success' => false,
-                'http_code' => $fileResult['http_code'],
-                'message' => 'File not found or inaccessible'
-            ];
-        }
-        
-        $fileData = json_decode($fileResult['body'], true);
-        $sha = $fileData['sha'];
-        
-        $deleteData = [
-            'message' => "Delete {$filename}",
-            'sha' => $sha,
-            'branch' => $config['branch']
-        ];
-        
-        $result = self::makeGitHubRequest($fileUrl, 'DELETE', $deleteData);
-        
-        return [
-            'success' => $result['http_code'] === 200,
-            'http_code' => $result['http_code'],
-            'message' => $result['http_code'] === 200 ? 'File deleted' : 'Delete failed'
-        ];
-    }
-}
-
-// GitHub-based User Manager
-class GitHubUserManager {
-    private $config;
-    private $usersFilePath = 'system/users.json';
-    
-    public function __construct() {
-        $this->config = StorageConfig::getGitHubConfig();
-        session_start();
-    }
-    
-    /**
-     * Load user data from GitHub repository
-     */
-    private function loadUsersFromGitHub() {
-        if (empty($this->config['token']) || empty($this->config['owner']) || empty($this->config['repo'])) {
-            error_log("GitHub User Manager: Configuration incomplete");
-            return [];
-        }
-        
-        $url = "https://api.github.com/repos/{$this->config['owner']}/{$this->config['repo']}/contents/{$this->usersFilePath}";
-        
-        $result = $this->makeGitHubRequest($url, 'GET');
-        
-        if ($result['http_code'] === 200) {
-            $fileData = json_decode($result['body'], true);
-            if (isset($fileData['content'])) {
-                $usersJson = base64_decode($fileData['content']);
-                $users = json_decode($usersJson, true);
-                if (json_last_error() === JSON_ERROR_NONE) {
-                    error_log("GitHub User Manager: Successfully loaded " . count($users) . " users from GitHub");
-                    return $users;
-                }
-            }
-        } elseif ($result['http_code'] === 404) {
-            // Users file doesn't exist yet, create empty structure
-            error_log("GitHub User Manager: Users file not found, will create on first registration");
-            return [];
-        }
-        
-        error_log("GitHub User Manager: Failed to load users from GitHub. HTTP Code: " . $result['http_code']);
-        return [];
-    }
-    
-    /**
-     * Save user data to GitHub repository
-     */
-    private function saveUsersToGitHub($users) {
-        if (empty($this->config['token']) || empty($this->config['owner']) || empty($this->config['repo'])) {
-            return false;
-        }
-        
-        $url = "https://api.github.com/repos/{$this->config['owner']}/{$this->config['repo']}/contents/{$this->usersFilePath}";
-        
-        // Get current file SHA if exists
-        $fileResult = $this->makeGitHubRequest($url, 'GET');
-        $sha = null;
-        $isUpdate = false;
-        
-        if ($fileResult['http_code'] === 200) {
-            $fileData = json_decode($fileResult['body'], true);
-            $sha = $fileData['sha'] ?? null;
-            $isUpdate = true;
-        }
-        
-        $usersJson = json_encode($users, JSON_PRETTY_PRINT);
-        $commitData = [
-            'message' => $isUpdate ? 'Update user data' : 'Create user data file',
-            'content' => base64_encode($usersJson),
-            'branch' => $this->config['branch']
-        ];
-        
-        if ($sha) {
-            $commitData['sha'] = $sha;
-        }
-        
-        $result = $this->makeGitHubRequest($url, 'PUT', $commitData);
-        
-        if (in_array($result['http_code'], [200, 201])) {
-            error_log("GitHub User Manager: Successfully saved users to GitHub");
-            return true;
-        } else {
-            error_log("GitHub User Manager: Failed to save users to GitHub. HTTP Code: " . $result['http_code']);
-            return false;
-        }
-    }
-    
-    /**
-     * Register a new user
-     */
-    public function registerUser($username, $password, $email = '') {
-        // Load current users from GitHub
-        $users = $this->loadUsersFromGitHub();
-        
-        // Check if user already exists
-        if (isset($users[$username])) {
-            return ['success' => false, 'message' => 'User already exists'];
-        }
-        
-        // Validate username
-        if (!preg_match('/^[a-zA-Z0-9_-]+$/', $username) || strlen($username) < 3) {
-            return ['success' => false, 'message' => 'Username must be at least 3 characters and contain only letters, numbers, underscore, and dash'];
-        }
-        
-        // Hash password
-        $hashedPassword = password_hash($password, PASSWORD_DEFAULT);
-        
-        // Add user
-        $users[$username] = [
-            'password' => $hashedPassword,
-            'email' => $email,
-            'created' => date('Y-m-d H:i:s'),
-            'last_login' => null
-        ];
-        
-        // Save to GitHub
-        if ($this->saveUsersToGitHub($users)) {
-            return ['success' => true, 'message' => 'User registered successfully'];
-        } else {
-            return ['success' => false, 'message' => 'Failed to save user data to GitHub'];
-        }
-    }
-    
-    /**
-     * Login user
-     */
-    public function loginUser($username, $password) {
-        // Always load fresh user data from GitHub on login
-        $users = $this->loadUsersFromGitHub();
-        
-        if (!isset($users[$username])) {
-            return ['success' => false, 'message' => 'User not found'];
-        }
-        
-        if (password_verify($password, $users[$username]['password'])) {
-            $_SESSION['username'] = $username;
-            $_SESSION['logged_in'] = true;
-            
-            // Update last login time
-            $users[$username]['last_login'] = date('Y-m-d H:i:s');
-            $this->saveUsersToGitHub($users);
-            
-            return ['success' => true, 'message' => 'Login successful'];
-        } else {
-            return ['success' => false, 'message' => 'Invalid password'];
-        }
-    }
-    
-    /**
-     * Logout user
-     */
-    public function logoutUser() {
-        session_destroy();
-        return ['success' => true, 'message' => 'Logged out successfully'];
-    }
-    
-    /**
-     * Check if user is logged in
-     */
-    public function isLoggedIn() {
-        return isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true;
-    }
-    
-    /**
-     * Get current logged in user
-     */
-    public function getCurrentUser() {
-        if ($this->isLoggedIn()) {
-            return $_SESSION['username'];
-        }
-        return null;
-    }
-    
-    /**
-     * Require login
-     */
-    public function requireLogin() {
-        if (!$this->isLoggedIn()) {
-            header('Location: login.html');
-            exit;
-        }
-    }
-    
-    /**
-     * Get user list (fresh from GitHub)
-     */
-    public function getUserList() {
-        $users = $this->loadUsersFromGitHub();
-        $userList = [];
-        foreach ($users as $username => $data) {
-            $userList[] = [
-                'username' => $username,
-                'email' => $data['email'],
-                'created' => $data['created'],
-                'last_login' => $data['last_login']
-            ];
-        }
-        return $userList;
-    }
-    
-    /**
-     * Update user profile
-     */
-    public function updateUserProfile($username, $updates) {
-        $users = $this->loadUsersFromGitHub();
-        
-        if (!isset($users[$username])) {
-            return ['success' => false, 'message' => 'User not found'];
-        }
-        
-        // Update allowed fields
-        $allowedFields = ['email'];
-        foreach ($allowedFields as $field) {
-            if (isset($updates[$field])) {
-                $users[$username][$field] = $updates[$field];
-            }
-        }
-        
-        // Update modified timestamp
-        $users[$username]['modified'] = date('Y-m-d H:i:s');
-        
-        if ($this->saveUsersToGitHub($users)) {
-            return ['success' => true, 'message' => 'Profile updated successfully'];
-        } else {
-            return ['success' => false, 'message' => 'Failed to update profile'];
-        }
-    }
-    
-    /**
-     * Change user password
-     */
-    public function changePassword($username, $oldPassword, $newPassword) {
-        $users = $this->loadUsersFromGitHub();
-        
-        if (!isset($users[$username])) {
-            return ['success' => false, 'message' => 'User not found'];
-        }
-        
-        // Verify old password
-        if (!password_verify($oldPassword, $users[$username]['password'])) {
-            return ['success' => false, 'message' => 'Invalid current password'];
-        }
-        
-        // Update password
-        $users[$username]['password'] = password_hash($newPassword, PASSWORD_DEFAULT);
-        $users[$username]['modified'] = date('Y-m-d H:i:s');
-        
-        if ($this->saveUsersToGitHub($users)) {
-            return ['success' => true, 'message' => 'Password changed successfully'];
-        } else {
-            return ['success' => false, 'message' => 'Failed to change password'];
-        }
-    }
-    
-    /**
-     * Make GitHub API request
-     */
-    private function makeGitHubRequest($url, $method = 'GET', $data = null) {
-        $headers = [
-            'Authorization: token ' . $this->config['token'],
-            'Accept: application/vnd.github.v3+json',
-            'User-Agent: VvvebJs-UserManager/1.0',
-            'Content-Type: application/json'
-        ];
-        
-        $contextOptions = [
-            'http' => [
-                'method' => $method,
-                'header' => implode("\r\n", $headers),
-                'ignore_errors' => true,
-                'timeout' => 30
-            ]
-        ];
-        
-        if ($data && in_array($method, ['POST', 'PUT', 'PATCH'])) {
-            $contextOptions['http']['content'] = json_encode($data);
-        }
-        
-        $context = stream_context_create($contextOptions);
-        $response = @file_get_contents($url, false, $context);
-        $httpCode = 0;
-        
-        if (isset($http_response_header)) {
-            foreach ($http_response_header as $header) {
-                if (preg_match('/HTTP\/\d\.\d\s+(\d+)/', $header, $matches)) {
-                    $httpCode = (int)$matches[1];
-                    break;
-                }
-            }
-        }
-        
-        return [
-            'body' => $response,
-            'http_code' => $httpCode,
-            'headers' => $http_response_header ?? [],
-            'error' => $response === false ? 'Request failed' : null
-        ];
-    }
 }
 
 // External storage handlers

user-manager.php

@@ -1,13 +1,60 @@
 <?php
 require_once __DIR__ . '/storage.php';
 
-// Use GitHub-based user management
-$userManager = new GitHubUserManager();
+// Simple user manager - only login, no registration
+class UserManager {
+    public function __construct() {
+        if (session_status() === PHP_SESSION_NONE) {
+            session_start();
+        }
+    }
+    
+    public function loginUser($username, $password) {
+        $users = StorageConfig::getUsers();
+        
+        if (!isset($users[$username])) {
+            return ['success' => false, 'message' => 'User not found'];
+        }
+        
+        if ($users[$username] === $password) {
+            $_SESSION['username'] = $username;
+            $_SESSION['logged_in'] = true;
+            
+            return ['success' => true, 'message' => 'Login successful'];
+        } else {
+            return ['success' => false, 'message' => 'Invalid password'];
+        }
+    }
+    
+    public function logoutUser() {
+        session_destroy();
+        return ['success' => true, 'message' => 'Logged out successfully'];
+    }
+    
+    public function isLoggedIn() {
+        return isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true;
+    }
+    
+    public function getCurrentUser() {
+        if ($this->isLoggedIn()) {
+            return $_SESSION['username'];
+        }
+        return null;
+    }
+    
+    public function requireLogin() {
+        if (!$this->isLoggedIn()) {
+            header('Location: login.html');
+            exit;
+        }
+    }
+}
 
 // Handle AJAX requests
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     header('Content-Type: application/json');
     
+    $userManager = new UserManager();
     $action = $_POST['action'] ?? '';
     
     switch ($action) {
@@ -28,29 +75,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             ]);
             break;
             
-        case 'update_profile':
-            if (!$userManager->isLoggedIn()) {
-                echo json_encode(['success' => false, 'message' => 'Not logged in']);
-                break;
-            }
-            $username = $userManager->getCurrentUser();
-            $updates = [
-                'email' => $_POST['email'] ?? ''
-            ];
-            echo json_encode($userManager->updateUserProfile($username, $updates));
-            break;
-            
-        case 'change_password':
-            if (!$userManager->isLoggedIn()) {
-                echo json_encode(['success' => false, 'message' => 'Not logged in']);
-                break;
-            }
-            $username = $userManager->getCurrentUser();
-            $oldPassword = $_POST['old_password'] ?? '';
-            $newPassword = $_POST['new_password'] ?? '';
-            echo json_encode($userManager->changePassword($username, $oldPassword, $newPassword));
-            break;
-            
         default:
             echo json_encode(['success' => false, 'message' => 'Invalid action']);
     }