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module.exports = publish
var url = require("url")
, semver = require("semver")
, crypto = require("crypto")
, Stream = require("stream").Stream
, assert = require("assert")
, fixer = require("normalize-package-data/lib/fixer.js")
, concat = require("concat-stream")
function escaped (name) {
return name.replace("/", "%2f")
}
function publish (uri, params, cb) {
assert(typeof uri === "string", "must pass registry URI to publish")
assert(params && typeof params === "object", "must pass params to publish")
assert(typeof cb === "function", "must pass callback to publish")
var access = params.access
assert(access && typeof access === "string", "must pass access for package")
assert(
["public", "restricted"].indexOf(access) !== -1,
"access level must be either 'public' or 'restricted'"
)
var auth = params.auth
assert(auth && typeof auth === "object", "must pass auth to publish")
if (!(auth.token ||
(auth.password && auth.username && auth.email))) {
var er = new Error("auth required for publishing")
er.code = "ENEEDAUTH"
return cb(er)
}
var metadata = params.metadata
assert(
metadata && typeof metadata === "object",
"must pass package metadata to publish"
)
try {
fixer.fixNameField(metadata, true)
}
catch (er) {
return cb(er)
}
var version = semver.clean(metadata.version)
if (!version) return cb(new Error("invalid semver: " + metadata.version))
metadata.version = version
var body = params.body
assert(body, "must pass package body to publish")
assert(body instanceof Stream, "package body passed to publish must be a stream")
var client = this
var sink = concat(function (tarbuffer) {
putFirst.call(client, uri, metadata, tarbuffer, access, auth, cb)
})
sink.on("error", cb)
body.pipe(sink)
}
function putFirst (registry, data, tarbuffer, access, auth, cb) {
// optimistically try to PUT all in one single atomic thing.
// If 409, then GET and merge, try again.
// If other error, then fail.
var root =
{ _id : data.name
, name : data.name
, description : data.description
, access : access
, "dist-tags" : {}
, versions : {}
, readme: data.readme || ""
}
if (!auth.token) {
root.maintainers = [{name : auth.username, email : auth.email}]
data.maintainers = JSON.parse(JSON.stringify(root.maintainers))
}
root.versions[ data.version ] = data
var tag = data.tag || this.config.defaultTag
root["dist-tags"][tag] = data.version
var tbName = data.name + "-" + data.version + ".tgz"
, tbURI = data.name + "/-/" + tbName
data._id = data.name+"@"+data.version
data.dist = data.dist || {}
data.dist.shasum = crypto.createHash("sha1").update(tarbuffer).digest("hex")
data.dist.tarball = url.resolve(registry, tbURI)
.replace(/^https:\/\//, "http://")
root._attachments = {}
root._attachments[ tbName ] = {
"content_type": "application/octet-stream",
"data": tarbuffer.toString("base64"),
"length": tarbuffer.length
}
var fixed = url.resolve(registry, escaped(data.name))
var client = this
var options = {
method : "PUT",
body : root,
auth : auth
}
this.request(fixed, options, function (er, parsed, json, res) {
var r409 = "must supply latest _rev to update existing package"
var r409b = "Document update conflict."
var conflict = res && res.statusCode === 409
if (parsed && (parsed.reason === r409 || parsed.reason === r409b))
conflict = true
// a 409 is typical here. GET the data and merge in.
if (er && !conflict) {
client.log.error("publish", "Failed PUT "+(res && res.statusCode))
return cb(er)
}
if (!er && !conflict)
return cb(er, parsed, json, res)
// let's see what versions are already published.
client.request(fixed+"?write=true", { auth : auth }, function (er, current) {
if (er) return cb(er)
putNext.call(client, registry, data.version, root, current, auth, cb)
})
})
}
function putNext (registry, newVersion, root, current, auth, cb) {
// already have the tardata on the root object
// just merge in existing stuff
var curVers = Object.keys(current.versions || {}).map(function (v) {
return semver.clean(v, true)
}).concat(Object.keys(current.time || {}).map(function(v) {
if (semver.valid(v, true))
return semver.clean(v, true)
}).filter(function(v) {
return v
}))
if (curVers.indexOf(newVersion) !== -1) {
return cb(conflictError(root.name, newVersion))
}
current.versions[newVersion] = root.versions[newVersion]
current._attachments = current._attachments || {}
for (var i in root) {
switch (i) {
// objects that copy over the new stuffs
case "dist-tags":
case "versions":
case "_attachments":
for (var j in root[i])
current[i][j] = root[i][j]
break
// ignore these
case "maintainers":
break
// copy
default:
current[i] = root[i]
}
}
var maint = JSON.parse(JSON.stringify(root.maintainers))
root.versions[newVersion].maintainers = maint
var uri = url.resolve(registry, escaped(root.name))
var options = {
method : "PUT",
body : current,
auth : auth
}
this.request(uri, options, cb)
}
function conflictError (pkgid, version) {
var e = new Error("cannot modify pre-existing version")
e.code = "EPUBLISHCONFLICT"
e.pkgid = pkgid
e.version = version
return e
}
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