56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import { type LoaderFunctionArgs } from "@remix-run/node";
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import { getUserSession } from "~/api/login/auth.server";
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import { DOCUMENT_URL } from "~/api/axios-client";
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/**
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* PDF 代理路由
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* 用于在服务器端添加 JWT 认证后获取 PDF 文件
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*/
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export async function loader({ request }: LoaderFunctionArgs) {
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try {
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// 获取 JWT token
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const { frontendJWT } = await getUserSession(request);
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// 从查询参数获取文件路径
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const url = new URL(request.url);
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const filePath = url.searchParams.get("path");
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if (!filePath) {
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return new Response("缺少文件路径参数", { status: 400 });
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}
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// 构建完整的文件 URL
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const fileUrl = `${DOCUMENT_URL}${filePath}`;
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// 使用 JWT 认证获取文件
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const response = await fetch(fileUrl, {
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headers: {
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'Authorization': `Bearer ${frontendJWT}`,
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},
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});
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if (!response.ok) {
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return new Response(`获取文件失败: ${response.statusText}`, {
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status: response.status
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});
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}
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// 获取文件内容
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const blob = await response.blob();
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// 返回文件，保持原始的 Content-Type
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return new Response(blob, {
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headers: {
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'Content-Type': response.headers.get('Content-Type') || 'application/pdf',
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'Cache-Control': 'public, max-age=3600', // 缓存1小时
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},
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});
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} catch (error) {
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console.error('PDF 代理错误:', error);
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return new Response(`服务器错误: ${error instanceof Error ? error.message : '未知错误'}`, {
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status: 500
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});
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}
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}
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