fix: resolve OAuth redirect_uri error - Add URL validation and cleanup in auth config - Create environment variable check script - Add OAuth setup guide documentation

scripts/check-env.js

@@ -0,0 +1,65 @@
+#!/usr/bin/env node
+
+// 环境变量检查脚本
+console.log("=== 环境变量检查 ===");
+
+const requiredVars = [
+  'NEXTAUTH_URL',
+  'NEXTAUTH_SECRET',
+  'GOOGLE_CLIENT_ID',
+  'GOOGLE_CLIENT_SECRET',
+  'DATABASE_URL'
+];
+
+console.log("\n必需的环境变量:");
+requiredVars.forEach(varName => {
+  const value = process.env[varName];
+  if (value) {
+    console.log(`✅ ${varName}: ${value.substring(0, 20)}${value.length > 20 ? '...' : ''}`);
+  } else {
+    console.log(`❌ ${varName}: 未设置`);
+  }
+});
+
+console.log("\n=== NEXTAUTH_URL 详细检查 ===");
+const nextAuthUrl = process.env.NEXTAUTH_URL;
+if (nextAuthUrl) {
+  console.log(`原始值: "${nextAuthUrl}"`);
+  console.log(`长度: ${nextAuthUrl.length}`);
+  console.log(`包含引号: ${nextAuthUrl.includes('"')}`);
+  console.log(`包含单引号: ${nextAuthUrl.includes("'")}`);
+  
+  // 清理 URL
+  let cleanUrl = nextAuthUrl.trim();
+  if (cleanUrl.startsWith('"') && cleanUrl.endsWith('"')) {
+    cleanUrl = cleanUrl.slice(1, -1);
+    console.log(`清理后: "${cleanUrl}"`);
+  }
+  
+  try {
+    new URL(cleanUrl);
+    console.log(`✅ URL 格式有效`);
+  } catch (error) {
+    console.log(`❌ URL 格式无效: ${error.message}`);
+  }
+} else {
+  console.log("❌ NEXTAUTH_URL 未设置");
+}
+
+console.log("\n=== Google OAuth 配置检查 ===");
+const googleClientId = process.env.GOOGLE_CLIENT_ID;
+const googleClientSecret = process.env.GOOGLE_CLIENT_SECRET;
+
+if (googleClientId && googleClientSecret) {
+  console.log("✅ Google OAuth 凭据已设置");
+  console.log(`Client ID 长度: ${googleClientId.length}`);
+  console.log(`Client Secret 长度: ${googleClientSecret.length}`);
+} else {
+  console.log("❌ Google OAuth 凭据未完全设置");
+}
+
+console.log("\n=== 建议 ===");
+console.log("1. 确保 NEXTAUTH_URL 不包含多余的引号");
+console.log("2. 确保 Google OAuth 重定向 URI 配置正确");
+console.log("3. 在 Google Cloud Console 中添加正确的重定向 URI");
+console.log("4. 重定向 URI 格式应为: https://your-domain.com/api/auth/callback/google");