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MICHAEL JACKSON
2017-11-25 13:25:01 -08:00
parent f3974b5e2d
commit 3a309241da
64 changed files with 635 additions and 801 deletions
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114
server/middleware/serveFile.js
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@ -1,11 +1,11 @@
const fs = require('fs')
const path = require('path')
const etag = require('etag')
const babel = require('babel-core')
const unpkgRewrite = require('babel-plugin-unpkg-rewrite')
const getMetadata = require('./utils/getMetadata')
const getFileContentType = require('./utils/getFileContentType')
const getIndexHTML = require('./utils/getIndexHTML')
const fs = require("fs")
const path = require("path")
const etag = require("etag")
const babel = require("babel-core")
const unpkgRewrite = require("babel-plugin-unpkg-rewrite")
const getMetadata = require("./utils/getMetadata")
const getFileContentType = require("./utils/getFileContentType")
const getIndexHTML = require("./utils/getIndexHTML")
/**
* Automatically generate HTML pages that show package contents.
@ -35,24 +35,19 @@ const FileTransforms = {
function serveFile(req, res, next) {
if (req.query.meta != null) {
// Serve JSON metadata.
getMetadata(req.packageDir, req.filename, req.stats, MaximumDepth, function(
error,
metadata
) {
getMetadata(req.packageDir, req.filename, req.stats, MaximumDepth, function(error, metadata) {
if (error) {
console.error(error)
res
.status(500)
.type('text')
.send(
`Cannot generate metadata for ${req.packageSpec}${req.filename}`
)
.type("text")
.send(`Cannot generate metadata for ${req.packageSpec}${req.filename}`)
} else {
// Cache metadata for 1 year.
res
.set({
'Cache-Control': 'public, max-age=31536000',
'Cache-Tag': 'meta'
"Cache-Control": "public, max-age=31536000",
"Cache-Tag": "meta"
})
.send(metadata)
}
@ -63,9 +58,9 @@ function serveFile(req, res, next) {
let contentType = getFileContentType(file)
if (contentType === 'text/html') contentType = 'text/plain' // We can't serve HTML because bad people :(
if (contentType === "text/html") contentType = "text/plain" // We can't serve HTML because bad people :(
if (contentType === 'application/javascript' && req.query.module != null) {
if (contentType === "application/javascript" && req.query.module != null) {
// Serve a JavaScript module.
const dependencies = Object.assign(
{},
@ -78,33 +73,29 @@ function serveFile(req, res, next) {
console.error(error)
const debugInfo =
error.constructor.name +
': ' +
": " +
error.message.replace(/^.*?\/unpkg-.+?\//, `/${req.packageSpec}/`) +
'\n\n' +
"\n\n" +
error.codeFrame
res
.status(500)
.type('text')
.send(
`Cannot generate module for ${req.packageSpec}${
req.filename
}\n\n${debugInfo}`
)
.type("text")
.send(`Cannot generate module for ${req.packageSpec}${req.filename}\n\n${debugInfo}`)
} else {
// Cache modules for 1 year.
res
.set({
'Content-Type': contentType,
'Content-Length': Buffer.byteLength(code),
'Cache-Control': 'public, max-age=31536000',
'Cache-Tag': 'file,js-file,js-module'
"Content-Type": contentType,
"Content-Length": Buffer.byteLength(code),
"Cache-Control": "public, max-age=31536000",
"Cache-Tag": "file,js-file,js-module"
})
.send(code)
}
})
} else {
// Serve some other static file.
const tags = ['file']
const tags = ["file"]
const ext = path.extname(req.filename).substr(1)
@ -112,17 +103,17 @@ function serveFile(req, res, next) {
// Cache files for 1 year.
res.set({
'Content-Type': contentType,
'Content-Length': req.stats.size,
'Cache-Control': 'public, max-age=31536000',
'Last-Modified': req.stats.mtime.toUTCString(),
"Content-Type": contentType,
"Content-Length": req.stats.size,
"Cache-Control": "public, max-age=31536000",
"Last-Modified": req.stats.mtime.toUTCString(),
ETag: etag(req.stats),
'Cache-Tag': tags.join(',')
"Cache-Tag": tags.join(",")
})
const stream = fs.createReadStream(file)
stream.on('error', function(error) {
stream.on("error", function(error) {
console.error(`Cannot send file ${req.packageSpec}${req.filename}`)
console.error(error)
res.sendStatus(500)
@ -132,35 +123,30 @@ function serveFile(req, res, next) {
}
} else if (AutoIndex && req.stats.isDirectory()) {
// Serve an HTML directory listing.
getIndexHTML(
req.packageInfo,
req.packageVersion,
req.packageDir,
req.filename,
function(error, html) {
if (error) {
console.error(error)
res
.status(500)
.type('text')
.send(
`Cannot generate index page for ${req.packageSpec}${req.filename}`
)
} else {
// Cache HTML directory listings for 1 minute.
res
.set({
'Cache-Control': 'public, max-age=60',
'Cache-Tag': 'index'
})
.send(html)
}
getIndexHTML(req.packageInfo, req.packageVersion, req.packageDir, req.filename, function(
error,
html
) {
if (error) {
console.error(error)
res
.status(500)
.type("text")
.send(`Cannot generate index page for ${req.packageSpec}${req.filename}`)
} else {
// Cache HTML directory listings for 1 minute.
res
.set({
"Cache-Control": "public, max-age=60",
"Cache-Tag": "index"
})
.send(html)
}
)
})
} else {
res
.status(403)
.type('text')
.type("text")
.send(`Cannot serve ${req.packageSpec}${req.filename}; it's not a file`)
}
}