-
Notifications
You must be signed in to change notification settings - Fork 1
/
process-package-meta.js
73 lines (60 loc) · 2.28 KB
/
process-package-meta.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
const db = require('../database')
const messages = require('../lib/messages')
const { createJSONResponder } = require('../lib/responders')
const validateSchema = require('../lib/validations/package-meta')
module.exports = async function processPackageMeta(req, res, next) {
const respond = createJSONResponder(res)
try {
const { files } = req
//? We do not have the package meta & tarball to proceed.
//? This prevents a (unnecessary) trip to the database.
if (!files?.packageMeta?.length || !files.packageTarball?.length) {
return respond(400, { error: messages.MISSING_CREDENTIALS })
}
// Extract the raw packageMeta file sent by the client
const packageMeta = files?.packageMeta[0]
// Parse the meta into JSON for validation
const jsonParsedMeta = JSON.parse(packageMeta?.buffer?.toString())
res.locals.packageMeta = jsonParsedMeta
// We got an invalid `package-meta.json`
if (!(await validateSchema(jsonParsedMeta))) {
return respond(400, {
error: messages.ERR_PKG_META_VALIDATION,
})
}
const existingPackage = await db.packages.findFirst({
where: {
name: jsonParsedMeta?.name,
},
})
//? The package has never been published, we can safely proceed to
//? upload process & then publish it.
if (!existingPackage) {
return next()
}
// We currently do not allow publishing a package version
// that has already been published but we might need to dig deep
// on whether we should enable this.
// TODO: Perform version checking using database queries (probably using aggregation?).
const existingPackageVersions = existingPackage.versions.map(
(v) => v?.version
)
if (existingPackageVersions.includes(jsonParsedMeta?.version)) {
return respond(400, {
error: `The package \`${jsonParsedMeta?.name}\` with version \`${jsonParsedMeta?.version}\` has already been published.`,
})
}
return next()
} catch (error) {
console.error(error)
// There was an error while executing JSON.parse() on provided packageMeta file.
if (error instanceof SyntaxError) {
return respond(400, {
error: messages.ERR_PKG_META_PARSING,
})
}
return respond(500, {
error: messages.SERVER_ERROR,
})
}
}