基于 shiy-temp分支修改

app/utils/session.server.ts

@@ -0,0 +1,53 @@
+import { createCookieSessionStorage } from '@remix-run/node';
+import { v4 as uuidv4 } from 'uuid';
+import { difyUtils } from '../services/dify-client.server';
+
+// 创建会话存储
+const sessionStorage = createCookieSessionStorage({
+    cookie: {
+        name: '__dify_session',
+        httpOnly: true,
+        path: '/',
+        sameSite: 'lax',
+        secrets: ['dify-chat-secret'], // 在生产环境中应该使用环境变量
+        secure: process.env.NODE_ENV === 'production',
+        maxAge: 60 * 60 * 24 * 30, // 30天
+    },
+});
+
+// 获取会话
+export async function getSession(request: Request) {
+    const cookie = request.headers.get('Cookie');
+    return sessionStorage.getSession(cookie);
+}
+
+// 提交会话
+export async function commitSession(session: any) {
+    return sessionStorage.commitSession(session);
+}
+
+// 获取或创建会话信息
+export async function getSessionInfo(request: Request) {
+    const session = await getSession(request);
+
+    let sessionId = session.get('sessionId');
+    if (!sessionId) {
+        sessionId = uuidv4();
+        session.set('sessionId', sessionId);
+    }
+
+    const user = difyUtils.generateUserId(sessionId);
+
+    return {
+        sessionId,
+        user,
+        session,
+    };
+}
+
+// 设置会话头部
+export function setSessionHeaders(sessionId: string) {
+    return {
+        'Set-Cookie': `session_id=${sessionId}; Path=/; HttpOnly; SameSite=Lax; Max-Age=${60 * 60 * 24 * 30}`,
+    };
+}