46 lines
1.7 KiB
TypeScript
46 lines
1.7 KiB
TypeScript
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import { logger } from "@coder/logger"
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import express from "express"
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import { promises as fs } from "fs"
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import path from "path"
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import { WebsocketRequest } from "../../../typings/pluginapi"
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import { HttpCode } from "../../common/http"
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import { rootPath } from "../constants"
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import { replaceTemplates } from "../http"
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import { getMediaMime } from "../util"
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const notFoundCodes = ["ENOENT", "EISDIR", "FileNotFound"]
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export const errorHandler: express.ErrorRequestHandler = async (err, req, res, next) => {
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if (notFoundCodes.includes(err.code)) {
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err.status = HttpCode.NotFound
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}
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const status = err.status ?? err.statusCode ?? 500
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res.status(status)
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// Assume anything that explicitly accepts text/html is a user browsing a
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// page (as opposed to an xhr request). Don't use `req.accepts()` since
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// *every* request that I've seen (in Firefox and Chromium at least)
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// includes `*/*` making it always truthy. Even for css/javascript.
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if (req.headers.accept && req.headers.accept.includes("text/html")) {
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const resourcePath = path.resolve(rootPath, "src/browser/pages/error.html")
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res.set("Content-Type", getMediaMime(resourcePath))
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const content = await fs.readFile(resourcePath, "utf8")
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res.send(
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replaceTemplates(req, content)
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.replace(/{{ERROR_TITLE}}/g, status)
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.replace(/{{ERROR_HEADER}}/g, status)
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.replace(/{{ERROR_BODY}}/g, err.message),
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)
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} else {
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res.json({
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error: err.message,
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...(err.details || {}),
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})
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}
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}
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export const wsErrorHandler: express.ErrorRequestHandler = async (err, req, res, next) => {
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logger.error(`${err.message} ${err.stack}`)
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;(req as WebsocketRequest).ws.end()
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}
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