perf(struct): ddd

docs/SSO_INTEGRATION.md

@@ -7,11 +7,12 @@
 - 登录页：`{IAM_FRONT_BASE_URL}/login?clientId={clientId}&tenantId={tenantId}&callback={encodeURIComponent(redirectUri)}`
 - 授权码（code）：JWT（HS256），有效期 5 分钟，Redis 单次使用
 - 换取 token：业务服务端携带 `clientSecret` 调用
-  - `POST {IAM_SERVICE_BASE_URL}/iam/api/v1/auth/code2token`
+  - `POST {IAM_SERVICE_BASE_URL}/api/v1/auth/code2token`（外部第三方：必须携带 tenant_id 并校验 clientId/clientSecret）
+  - `POST {IAM_SERVICE_BASE_URL}/api/v1/internal/auth/code2token`（内部服务：需 `X-Internal-Token` 预共享密钥，不强制 tenant_id）
 - 签发授权码：由 IAM 服务端完成（校验 redirectUri 是否在该 clientId 的 allowlist 中）
-  - `POST {IAM_SERVICE_BASE_URL}/iam/api/v1/auth/login-code`
-- token 刷新：`POST {IAM_SERVICE_BASE_URL}/iam/api/v1/auth/refresh`
-- 退出：`POST {IAM_SERVICE_BASE_URL}/iam/api/v1/auth/logout`
+  - `POST {IAM_SERVICE_BASE_URL}/api/v1/auth/login-code`
+- token 刷新：`POST {IAM_SERVICE_BASE_URL}/api/v1/auth/refresh`
+- 退出：`POST {IAM_SERVICE_BASE_URL}/api/v1/auth/logout`
 
 ## 2. 业务 Next.js（前端）接入：中间件跳转登录
 
@@ -20,45 +21,46 @@
 在业务项目根目录创建 `/src/middleware.ts`：
 
 ```ts
-import { NextRequest, NextResponse } from "next/server"
+import { NextRequest, NextResponse } from "next/server";
 
 function isExpired(jwt: string): boolean {
-  const parts = jwt.split(".")
-  if (parts.length < 2) return true
-  const normalized = parts[1].replace(/-/g, "+").replace(/_/g, "/")
-  const padLen = (4 - (normalized.length % 4)) % 4
-  const json = atob(normalized + "=".repeat(padLen))
-  const payload = JSON.parse(json) as { exp?: number }
-  if (!payload.exp) return true
-  return Math.floor(Date.now() / 1000) >= payload.exp
+  const parts = jwt.split(".");
+  if (parts.length < 2) return true;
+  const normalized = parts[1].replace(/-/g, "+").replace(/_/g, "/");
+  const padLen = (4 - (normalized.length % 4)) % 4;
+  const json = atob(normalized + "=".repeat(padLen));
+  const payload = JSON.parse(json) as { exp?: number };
+  if (!payload.exp) return true;
+  return Math.floor(Date.now() / 1000) >= payload.exp;
 }
 
 export function middleware(req: NextRequest) {
-  const tenantId = req.headers.get("x-tenant-id") ?? ""
-  const accessToken = req.cookies.get("accessToken")?.value ?? ""
+  const tenantId = req.headers.get("x-tenant-id") ?? "";
+  const accessToken = req.cookies.get("accessToken")?.value ?? "";
 
   if (!accessToken || isExpired(accessToken)) {
-    const currentUrl = req.nextUrl.clone()
+    const currentUrl = req.nextUrl.clone();
     const callback = `${process.env.CMS_SERVICE_BASE_URL}/auth/callback?next=${encodeURIComponent(
       currentUrl.toString(),
-    )}`
+    )}`;
     const loginUrl = `${process.env.IAM_FRONT_BASE_URL}/login?clientId=${encodeURIComponent(
       process.env.CMS_CLIENT_ID ?? "",
     )}&tenantId=${encodeURIComponent(
       tenantId,
-    )}&callback=${encodeURIComponent(callback)}`
-    return NextResponse.redirect(loginUrl, 302)
+    )}&callback=${encodeURIComponent(callback)}`;
+    return NextResponse.redirect(loginUrl, 302);
   }
 
-  return NextResponse.next()
+  return NextResponse.next();
 }
 
 export const config = {
   matcher: ["/((?!_next/static|_next/image|favicon.ico|api/public).*)"],
-}
+};
 ```
 
 说明：
+
 - 示例使用 cookie `accessToken`；你也可以改为本地存储或自定义 header。
 - 校验是否过期仅做 payload 解析（不验签）；服务端真正鉴权仍应使用 `auth-kit` + RS256 验签。
 
@@ -89,7 +91,7 @@ async fn sso_callback(Query(q): Query<CallbackQuery>) -> Redirect {
 
     let http = reqwest::Client::new();
     let resp = http
-        .post(format!("{}/iam/api/v1/auth/code2token", iam_base.trim_end_matches('/')))
+        .post(format!("{}/api/v1/auth/code2token", iam_base.trim_end_matches('/')))
         .json(&serde_json::json!({
             "code": q.code,
             "clientId": client_id,
@@ -131,15 +133,16 @@ pub fn router() -> Router {
 ### 3.2 后端鉴权与自动刷新
 
 推荐：
+
 - 业务后端对受保护接口强制 `Authorization: Bearer <access_token>`（来自 cookie 或前端 header）。
-- 过期时由业务后端调用 `POST /iam/api/v1/auth/refresh`，轮换 refresh token，并回写 cookie。
+- 过期时由业务后端调用 `POST /api/v1/auth/refresh`，轮换 refresh token，并回写 cookie。
 
 ## 4. clientId / clientSecret 管理
 
 由平台管理员通过 IAM 平台接口创建与轮换（仅示例，实际需要具备平台权限码 `iam:client:*`）：
 
 ```bash
-curl -X POST "$IAM_SERVICE_BASE_URL/iam/api/v1/platform/clients" \
+curl -X POST "$IAM_SERVICE_BASE_URL/api/v1/platform/clients" \
   -H "Authorization: Bearer $PLATFORM_TOKEN" \
   -H "Content-Type: application/json" \
   -d '{ "clientId": "cms", "name": "CMS", "redirectUris": ["https://cms-api.example.com/auth/callback"] }'
@@ -148,14 +151,14 @@ curl -X POST "$IAM_SERVICE_BASE_URL/iam/api/v1/platform/clients" \
 轮换：
 
 ```bash
-curl -X POST "$IAM_SERVICE_BASE_URL/iam/api/v1/platform/clients/cms/rotate-secret" \
+curl -X POST "$IAM_SERVICE_BASE_URL/api/v1/platform/clients/cms/rotate-secret" \
   -H "Authorization: Bearer $PLATFORM_TOKEN"
 ```
 
 更新允许回调地址（redirectUris）：
 
 ```bash
-curl -X PUT "$IAM_SERVICE_BASE_URL/iam/api/v1/platform/clients/cms/redirect-uris" \
+curl -X PUT "$IAM_SERVICE_BASE_URL/api/v1/platform/clients/cms/redirect-uris" \
   -H "Authorization: Bearer $PLATFORM_TOKEN" \
   -H "Content-Type: application/json" \
   -d '{ "redirectUris": ["https://cms-api.example.com/auth/callback"] }'