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perf: 优化桌面端出现打开久之后访问错误的情况
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commit
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57
electron/electron.js
vendored
57
electron/electron.js
vendored
@ -140,8 +140,65 @@ async function startWebServer(force = false) {
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// 错误处理中间件
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app.use((err, req, res, next) => {
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// 不是ENOENT错误,记录error级别日志
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if (err.code !== 'ENOENT') {
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loger.error('Server error:', err);
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res.status(500).send('Internal Server Error');
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return;
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}
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// 没有path,说明是404错误
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if (!err.path) {
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loger.warn('File not found:', req.url);
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res.status(404).send('File not found');
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return;
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}
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// 不是临时文件错误,普通404
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if (!err.path.includes('.com.dootask.task.')) {
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loger.warn('File not found:', err.path);
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res.status(404).send('File not found');
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return;
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}
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// 防止死循环 - 如果已经是重定向请求,直接返回404
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if (req.query._dt_restored) {
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const redirectTime = parseInt(req.query._dt_restored);
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const timeDiff = Date.now() - redirectTime;
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// 10秒内的重定向认为是死循环,直接返回404
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if (timeDiff < 10000) {
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loger.warn('Recent redirect detected, avoiding loop:', timeDiff + 'ms ago');
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res.status(404).send('File not found');
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return;
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}
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}
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loger.warn('Temporary file cleaned up by system:', err.path, req.url);
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// 临时文件被系统清理,尝试从serverPublicDir重新读取并恢复
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const requestedFile = path.join(serverPublicDir, req.url === '/' ? '/index.html' : req.url);
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try {
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// 检查文件是否存在于serverPublicDir
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fs.accessSync(requestedFile, fs.constants.F_OK);
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// 确保目标目录存在
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const targetDir = path.dirname(err.path);
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if (!fs.existsSync(targetDir)) {
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fs.mkdirSync(targetDir, {recursive: true});
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}
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// 从ASAR文件中读取文件并写入到临时位置
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fs.writeFileSync(err.path, fs.readFileSync(requestedFile));
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// 文件恢复成功后,301重定向到带__redirect参数的URL
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const redirectUrl = new URL(req.url, serverUrl);
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redirectUrl.searchParams.set('_dt_restored', Date.now());
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res.redirect(301, redirectUrl.toString());
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} catch (accessErr) {
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// 文件不存在于serverPublicDir,返回404
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loger.warn('Source file not found:', requestedFile, 'Error:', accessErr.message);
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res.status(404).send('File not found');
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}
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});
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// 启动服务器
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