refactor: Simplify SSO authentication route and OAuth parameter handling

src/app/api/auth/q58/route.ts

@@ -9,35 +9,14 @@ const hostUrl = process.env.NEXT_PUBLIC_HOST_URL as string;
 const discourseHost = process.env.DISCOURSE_HOST as string;
 const clientSecret = process.env.DISCOURSE_SECRET as string;
 
-export async function POST(req: Request) {
-  try {
+export async function POST(_req: Request) {
   const nonce = WordArray.random(16).toString();
-    let return_url = `${hostUrl}/dashboard`; // 默认重定向到仪表板
-
-    try {
-      const body = await req.json();
-      if (body.oauth_params) {
-        return_url = `${hostUrl}/oauth/authorize?${body.oauth_params}`;
-      }
-    } catch (error) {
-      console.error("Failed to parse request body:", error);
-    }
-
+  const return_url = `${hostUrl}/authorize`;
   const sso = btoa(`nonce=${nonce}&return_sso_url=${return_url}`);
   const sig = hmacSHA256(sso, clientSecret).toString(Hex);
 
-    cookies().set(AUTH_NONCE, nonce, {
-      maxAge: 60 * 10,
-      path: "/",
-      httpOnly: true,
-      secure: process.env.NODE_ENV === "production",
-    });
-
+  cookies().set(AUTH_NONCE, nonce, { maxAge: 60 * 10 });
   return Response.json({
     sso_url: `${discourseHost}/session/sso_provider?sso=${sso}&sig=${sig}`,
   });
-  } catch (error) {
-    console.error("SSO 处理错误:", error);
-    return Response.json({ error: "处理登录请求时发生错误" }, { status: 500 });
-  }
 }

src/components/auth/user-auth-form.tsx

@@ -24,11 +24,11 @@ export function UserAuthForm({
   const signIn = () => {
     React.startTransition(async () => {
       try {
-        // 构建请求体，包含 OAuth 参数
         const body: Record<string, any> = {};
-        const oauthParams = new URLSearchParams();
 
-        // 收集 OAuth 相关参数
+        // 如果存在 OAuth 参数，添加到请求体
+        if (searchParams?.has("client_id")) {
+          const oauthParams = new URLSearchParams();
           [
             "client_id",
             "redirect_uri",
@@ -41,11 +41,10 @@ export function UserAuthForm({
               oauthParams.append(param, value);
             }
           });
-
-        // 如果存在 OAuth 参数，添加到请求体
           if (oauthParams.toString()) {
             body.oauth_params = oauthParams.toString();
           }
+        }
 
         const response = await fetch("/api/auth/q58", {
           method: "POST",