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MICHAEL JACKSON
2017-11-08 08:57:15 -08:00
parent f3e041ace6
commit 2d57d96e62
36 changed files with 785 additions and 577 deletions
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118
server/middleware/serveFile.js
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@ -18,36 +18,43 @@ const AutoIndex = !process.env.DISABLE_INDEX
const MaximumDepth = 128
const FileTransforms = {
expand: function (file, dependencies, callback) {
expand: function(file, dependencies, callback) {
const options = {
plugins: [
unpkgRewrite(dependencies)
]
plugins: [unpkgRewrite(dependencies)]
}
babel.transformFile(file, options, function (error, result) {
babel.transformFile(file, options, function(error, result) {
callback(error, result && result.code)
})
}
}
/**
* Send the file, JSON metadata, or HTML directory listing.
*/
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}`)
res
.status(500)
.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'
}).send(metadata)
res
.set({
'Cache-Control': 'public, max-age=31536000',
'Cache-Tag': 'meta'
})
.send(metadata)
}
})
} else if (req.stats.isFile()) {
@ -56,39 +63,52 @@ 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) {
// Serve a JavaScript module.
const dependencies = Object.assign({},
const dependencies = Object.assign(
{},
req.packageConfig.peerDependencies,
req.packageConfig.dependencies
)
FileTransforms.expand(file, dependencies, function (error, code) {
FileTransforms.expand(file, dependencies, function(error, code) {
if (error) {
console.error(error)
const debugInfo = error.constructor.name + ': ' + error.message.replace(/^.*?\/unpkg-.+?\//, `/${req.packageSpec}/`) + '\n\n' + error.codeFrame
res.status(500).type('text').send(`Cannot generate module for ${req.packageSpec}${req.filename}\n\n${debugInfo}`)
const debugInfo =
error.constructor.name +
': ' +
error.message.replace(/^.*?\/unpkg-.+?\//, `/${req.packageSpec}/`) +
'\n\n' +
error.codeFrame
res
.status(500)
.type('text')
.send(
`Cannot generate module for ${req.packageSpec}${
req.filename
}\n\n${debugInfo}`
)
} else {
// Cache modules for 1 year.
res.set({
'Content-Type': contentType,
'Content-Length': Buffer.byteLength(code),
'Cache-Control': 'public, max-age=31536000',
'Cache-Tag': 'file,js-file,js-module'
}).send(code)
res
.set({
'Content-Type': contentType,
'Content-Length': Buffer.byteLength(code),
'Cache-Control': 'public, max-age=31536000',
'Cache-Tag': 'file,js-file,js-module'
})
.send(code)
}
})
} else {
// Serve some other static file.
const tags = [ 'file' ]
const tags = ['file']
const ext = path.extname(req.filename).substr(1)
if (ext)
tags.push(`${ext}-file`)
if (ext) tags.push(`${ext}-file`)
// Cache files for 1 year.
res.set({
@ -96,13 +116,13 @@ function serveFile(req, res, next) {
'Content-Length': req.stats.size,
'Cache-Control': 'public, max-age=31536000',
'Last-Modified': req.stats.mtime.toUTCString(),
'ETag': etag(req.stats),
ETag: etag(req.stats),
'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)
@ -112,20 +132,36 @@ 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').send(`Cannot serve ${req.packageSpec}${req.filename}; it's not a file`)
res
.status(403)
.type('text')
.send(`Cannot serve ${req.packageSpec}${req.filename}; it's not a file`)
}
}