38 lines
995 B
JavaScript
38 lines
995 B
JavaScript
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import path from 'path'
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import { FileResponse, HttpError } from 'flaska'
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import fs from 'fs/promises'
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export default class ServeHandler {
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constructor(opts = {}) {
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Object.assign(this, {
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fs: opts.fs || fs,
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root: opts.root,
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})
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}
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/** GET: /::file */
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serve(ctx) {
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if (ctx.params.file.startsWith('api/')) {
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throw new HttpError(404, 'Not Found: ' + ctx.params.file, { status: 404, message: 'Not Found: ' + ctx.params.file })
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}
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let file = path.resolve(path.join(this.root, ctx.params.file ? ctx.params.file : 'index.html'))
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if (!file.startsWith(this.root)) {
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ctx.status = 404
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ctx.body = 'HTTP 404 Error'
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return
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}
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return this.fs.stat(file).catch((err) => {
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if (err.code === 'ENOENT') {
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file = path.resolve(path.join(this.root, 'index.html'))
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return this.fs.stat(file)
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}
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return Promise.reject(err)
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})
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.then(function(stat) {
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ctx.body = new FileResponse(file, stat)
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})
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}
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}
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