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var mkdir = require("mkdirp")
, assert = require("assert")
, fs = require("graceful-fs")
, writeFileAtomic = require("write-file-atomic")
, path = require("path")
, sha = require("sha")
, npm = require("../npm.js")
, log = require("npmlog")
, tar = require("../utils/tar.js")
, pathIsInside = require("path-is-inside")
, getCacheStat = require("./get-stat.js")
, cachedPackageRoot = require("./cached-package-root.js")
, chownr = require("chownr")
, inflight = require("inflight")
, once = require("once")
, writeStream = require("fs-write-stream-atomic")
, tempFilename = require("../utils/temp-filename.js")
, rimraf = require("rimraf")
module.exports = addLocalTarball
function addLocalTarball (p, pkgData, shasum, cb) {
assert(typeof p === "string", "must have path")
assert(typeof cb === "function", "must have callback")
if (!pkgData) pkgData = {}
// If we don't have a shasum yet, compute it.
if (!shasum) {
return sha.get(p, function (er, shasum) {
if (er) return cb(er)
log.silly("addLocalTarball", "shasum (computed)", shasum)
addLocalTarball(p, pkgData, shasum, cb)
})
}
if (pathIsInside(p, npm.cache)) {
if (path.basename(p) !== "package.tgz") {
return cb(new Error("Not a valid cache tarball name: "+p))
}
log.verbose("addLocalTarball", "adding from inside cache", p)
return addPlacedTarball(p, pkgData, shasum, cb)
}
addTmpTarball(p, pkgData, shasum, function (er, data) {
if (data) {
data._resolved = p
data._shasum = data._shasum || shasum
}
return cb(er, data)
})
}
function addPlacedTarball (p, pkgData, shasum, cb) {
assert(pkgData, "should have package data by now")
assert(typeof cb === "function", "cb function required")
getCacheStat(function (er, cs) {
if (er) return cb(er)
return addPlacedTarball_(p, pkgData, cs.uid, cs.gid, shasum, cb)
})
}
function addPlacedTarball_ (p, pkgData, uid, gid, resolvedSum, cb) {
var folder = path.join(cachedPackageRoot(pkgData), "package")
// First, make sure we have the shasum, if we don't already.
if (!resolvedSum) {
sha.get(p, function (er, shasum) {
if (er) return cb(er)
addPlacedTarball_(p, pkgData, uid, gid, shasum, cb)
})
return
}
mkdir(folder, function (er) {
if (er) return cb(er)
var pj = path.join(folder, "package.json")
var json = JSON.stringify(pkgData, null, 2)
writeFileAtomic(pj, json, function (er) {
cb(er, pkgData)
})
})
}
function addTmpTarball (tgz, pkgData, shasum, cb) {
assert(typeof cb === "function", "must have callback function")
assert(shasum, "must have shasum by now")
cb = inflight("addTmpTarball:" + tgz, cb)
if (!cb) return log.verbose("addTmpTarball", tgz, "already in flight; not adding")
log.verbose("addTmpTarball", tgz, "not in flight; adding")
// we already have the package info, so just move into place
if (pkgData && pkgData.name && pkgData.version) {
log.verbose(
"addTmpTarball",
"already have metadata; skipping unpack for",
pkgData.name + "@" + pkgData.version
)
return addTmpTarball_(tgz, pkgData, shasum, cb)
}
// This is a tarball we probably downloaded from the internet. The shasum's
// already been checked, but we haven't ever had a peek inside, so we unpack
// it here just to make sure it is what it says it is.
//
// NOTE: we might not have any clue what we think it is, for example if the
// user just did `npm install ./foo.tgz`
var target = tempFilename("unpack")
getCacheStat(function (er, cs) {
if (er) return cb(er)
log.verbose("addTmpTarball", "validating metadata from", tgz)
tar.unpack(tgz, target, null, null, cs.uid, cs.gid, function (unpackEr, data) {
// cleanup the extracted package and move on with the metadata
rimraf(target, function () {
if (unpackEr) return cb(unpackEr)
// check that this is what we expected.
if (!data.name) {
return cb(new Error("No name provided"))
}
else if (pkgData.name && data.name !== pkgData.name) {
return cb(new Error("Invalid Package: expected " + pkgData.name +
" but found " + data.name))
}
if (!data.version) {
return cb(new Error("No version provided"))
}
else if (pkgData.version && data.version !== pkgData.version) {
return cb(new Error("Invalid Package: expected " +
pkgData.name + "@" + pkgData.version +
" but found " + data.name + "@" + data.version))
}
addTmpTarball_(tgz, data, shasum, cb)
})
})
})
}
function addTmpTarball_ (tgz, data, shasum, cb) {
assert(typeof cb === "function", "must have callback function")
cb = once(cb)
assert(data.name, "should have package name by now")
assert(data.version, "should have package version by now")
var root = cachedPackageRoot(data)
var pkg = path.resolve(root, "package")
var target = path.resolve(root, "package.tgz")
getCacheStat(function (er, cs) {
if (er) return cb(er)
mkdir(pkg, function (er, created) {
// chown starting from the first dir created by mkdirp,
// or the root dir, if none had to be created, so that
// we know that we get all the children.
function chown () {
chownr(created || root, cs.uid, cs.gid, done)
}
if (er) return cb(er)
var read = fs.createReadStream(tgz)
var write = writeStream(target, { mode: npm.modes.file })
var fin = cs.uid && cs.gid ? chown : done
read.on("error", cb).pipe(write).on("error", cb).on("close", fin)
})
})
function done() {
data._shasum = data._shasum || shasum
cb(null, data)
}
}
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