first commit

src/lib/auth.ts

@@ -0,0 +1,72 @@
+import { NextRequest } from 'next/server';
+
+// 从cookie获取认证信息 (服务端使用)
+export function getAuthInfoFromCookie(request: NextRequest): {
+  password?: string;
+  username?: string;
+  signature?: string;
+  timestamp?: number;
+} | null {
+  const authCookie = request.cookies.get('auth');
+
+  if (!authCookie) {
+    return null;
+  }
+
+  try {
+    const decoded = decodeURIComponent(authCookie.value);
+    const authData = JSON.parse(decoded);
+    return authData;
+  } catch (error) {
+    return null;
+  }
+}
+
+// 从cookie获取认证信息 (客户端使用)
+export function getAuthInfoFromBrowserCookie(): {
+  password?: string;
+  username?: string;
+  signature?: string;
+  timestamp?: number;
+  role?: 'owner' | 'admin' | 'user';
+} | null {
+  if (typeof window === 'undefined') {
+    return null;
+  }
+
+  try {
+    // 解析 document.cookie
+    const cookies = document.cookie.split(';').reduce((acc, cookie) => {
+      const trimmed = cookie.trim();
+      const firstEqualIndex = trimmed.indexOf('=');
+
+      if (firstEqualIndex > 0) {
+        const key = trimmed.substring(0, firstEqualIndex);
+        const value = trimmed.substring(firstEqualIndex + 1);
+        if (key && value) {
+          acc[key] = value;
+        }
+      }
+
+      return acc;
+    }, {} as Record<string, string>);
+
+    const authCookie = cookies['auth'];
+    if (!authCookie) {
+      return null;
+    }
+
+    // 处理可能的双重编码
+    let decoded = decodeURIComponent(authCookie);
+
+    // 如果解码后仍然包含 %，说明是双重编码，需要再次解码
+    if (decoded.includes('%')) {
+      decoded = decodeURIComponent(decoded);
+    }
+
+    const authData = JSON.parse(decoded);
+    return authData;
+  } catch (error) {
+    return null;
+  }
+}