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-rw-r--r--deps/npm/node_modules/node-gyp/lib/install.js469
1 files changed, 469 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-gyp/lib/install.js b/deps/npm/node_modules/node-gyp/lib/install.js
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@@ -0,0 +1,469 @@
+
+module.exports = exports = install
+
+module.exports.test = { download: download, readCAFile: readCAFile }
+
+exports.usage = 'Install node development files for the specified node version.'
+
+/**
+ * Module dependencies.
+ */
+
+var fs = require('graceful-fs')
+ , osenv = require('osenv')
+ , tar = require('tar')
+ , rm = require('rimraf')
+ , path = require('path')
+ , crypto = require('crypto')
+ , zlib = require('zlib')
+ , log = require('npmlog')
+ , semver = require('semver')
+ , fstream = require('fstream')
+ , request = require('request')
+ , minimatch = require('minimatch')
+ , mkdir = require('mkdirp')
+ , processRelease = require('./process-release')
+ , win = process.platform == 'win32'
+
+function install (gyp, argv, callback) {
+
+ var release = processRelease(argv, gyp, process.version, process.release)
+
+ // ensure no double-callbacks happen
+ function cb (err) {
+ if (cb.done) return
+ cb.done = true
+ if (err) {
+ log.warn('install', 'got an error, rolling back install')
+ // roll-back the install if anything went wrong
+ gyp.commands.remove([ release.versionDir ], function (err2) {
+ callback(err)
+ })
+ } else {
+ callback(null, release.version)
+ }
+ }
+
+ // Determine which node dev files version we are installing
+ log.verbose('install', 'input version string %j', release.version)
+
+ if (!release.semver) {
+ // could not parse the version string with semver
+ return callback(new Error('Invalid version number: ' + release.version))
+ }
+
+ if (semver.lt(release.version, '0.8.0')) {
+ return callback(new Error('Minimum target version is `0.8.0` or greater. Got: ' + release.version))
+ }
+
+ // 0.x.y-pre versions are not published yet and cannot be installed. Bail.
+ if (release.semver.prerelease[0] === 'pre') {
+ log.verbose('detected "pre" node version', release.version)
+ if (gyp.opts.nodedir) {
+ log.verbose('--nodedir flag was passed; skipping install', gyp.opts.nodedir)
+ callback()
+ } else {
+ callback(new Error('"pre" versions of node cannot be installed, use the --nodedir flag instead'))
+ }
+ return
+ }
+
+ // flatten version into String
+ log.verbose('install', 'installing version: %s', release.versionDir)
+
+ // the directory where the dev files will be installed
+ var devDir = path.resolve(gyp.devDir, release.versionDir)
+
+ // If '--ensure' was passed, then don't *always* install the version;
+ // check if it is already installed, and only install when needed
+ if (gyp.opts.ensure) {
+ log.verbose('install', '--ensure was passed, so won\'t reinstall if already installed')
+ fs.stat(devDir, function (err, stat) {
+ if (err) {
+ if (err.code == 'ENOENT') {
+ log.verbose('install', 'version not already installed, continuing with install', release.version)
+ go()
+ } else if (err.code == 'EACCES') {
+ eaccesFallback()
+ } else {
+ cb(err)
+ }
+ return
+ }
+ log.verbose('install', 'version is already installed, need to check "installVersion"')
+ var installVersionFile = path.resolve(devDir, 'installVersion')
+ fs.readFile(installVersionFile, 'ascii', function (err, ver) {
+ if (err && err.code != 'ENOENT') {
+ return cb(err)
+ }
+ var installVersion = parseInt(ver, 10) || 0
+ log.verbose('got "installVersion"', installVersion)
+ log.verbose('needs "installVersion"', gyp.package.installVersion)
+ if (installVersion < gyp.package.installVersion) {
+ log.verbose('install', 'version is no good; reinstalling')
+ go()
+ } else {
+ log.verbose('install', 'version is good')
+ cb()
+ }
+ })
+ })
+ } else {
+ go()
+ }
+
+ function getContentSha(res, callback) {
+ var shasum = crypto.createHash('sha256')
+ res.on('data', function (chunk) {
+ shasum.update(chunk)
+ }).on('end', function () {
+ callback(null, shasum.digest('hex'))
+ })
+ }
+
+ function go () {
+
+ log.verbose('ensuring nodedir is created', devDir)
+
+ // first create the dir for the node dev files
+ mkdir(devDir, function (err, created) {
+ if (err) {
+ if (err.code == 'EACCES') {
+ eaccesFallback()
+ } else {
+ cb(err)
+ }
+ return
+ }
+
+ if (created) {
+ log.verbose('created nodedir', created)
+ }
+
+ // now download the node tarball
+ var tarPath = gyp.opts.tarball
+ var badDownload = false
+ , extractCount = 0
+ , gunzip = zlib.createGunzip()
+ , extracter = tar.Extract({ path: devDir, strip: 1, filter: isValid })
+
+ var contentShasums = {}
+ var expectShasums = {}
+
+ // checks if a file to be extracted from the tarball is valid.
+ // only .h header files and the gyp files get extracted
+ function isValid () {
+ var name = this.path.substring(devDir.length + 1)
+ var isValid = valid(name)
+ if (name === '' && this.type === 'Directory') {
+ // the first directory entry is ok
+ return true
+ }
+ if (isValid) {
+ log.verbose('extracted file from tarball', name)
+ extractCount++
+ } else {
+ // invalid
+ log.silly('ignoring from tarball', name)
+ }
+ return isValid
+ }
+
+ gunzip.on('error', cb)
+ extracter.on('error', cb)
+ extracter.on('end', afterTarball)
+
+ // download the tarball, gunzip and extract!
+
+ if (tarPath) {
+ var input = fs.createReadStream(tarPath)
+ input.pipe(gunzip).pipe(extracter)
+ return
+ }
+
+ try {
+ var req = download(gyp, process.env, release.tarballUrl)
+ } catch (e) {
+ return cb(e)
+ }
+
+ // something went wrong downloading the tarball?
+ req.on('error', function (err) {
+ if (err.code === 'ENOTFOUND') {
+ return cb(new Error('This is most likely not a problem with node-gyp or the package itself and\n' +
+ 'is related to network connectivity. In most cases you are behind a proxy or have bad \n' +
+ 'network settings.'))
+ }
+ badDownload = true
+ cb(err)
+ })
+
+ req.on('close', function () {
+ if (extractCount === 0) {
+ cb(new Error('Connection closed while downloading tarball file'))
+ }
+ })
+
+ req.on('response', function (res) {
+ if (res.statusCode !== 200) {
+ badDownload = true
+ cb(new Error(res.statusCode + ' response downloading ' + release.tarballUrl))
+ return
+ }
+ // content checksum
+ getContentSha(res, function (_, checksum) {
+ var filename = path.basename(release.tarballUrl).trim()
+ contentShasums[filename] = checksum
+ log.verbose('content checksum', filename, checksum)
+ })
+
+ // start unzipping and untaring
+ req.pipe(gunzip).pipe(extracter)
+ })
+
+ // invoked after the tarball has finished being extracted
+ function afterTarball () {
+ if (badDownload) return
+ if (extractCount === 0) {
+ return cb(new Error('There was a fatal problem while downloading/extracting the tarball'))
+ }
+ log.verbose('tarball', 'done parsing tarball')
+ var async = 0
+
+ if (win) {
+ // need to download node.lib
+ async++
+ downloadNodeLib(deref)
+ }
+
+ // write the "installVersion" file
+ async++
+ var installVersionPath = path.resolve(devDir, 'installVersion')
+ fs.writeFile(installVersionPath, gyp.package.installVersion + '\n', deref)
+
+ // Only download SHASUMS.txt if not using tarPath override
+ if (!tarPath) {
+ // download SHASUMS.txt
+ async++
+ downloadShasums(deref)
+ }
+
+ if (async === 0) {
+ // no async tasks required
+ cb()
+ }
+
+ function deref (err) {
+ if (err) return cb(err)
+
+ async--
+ if (!async) {
+ log.verbose('download contents checksum', JSON.stringify(contentShasums))
+ // check content shasums
+ for (var k in contentShasums) {
+ log.verbose('validating download checksum for ' + k, '(%s == %s)', contentShasums[k], expectShasums[k])
+ if (contentShasums[k] !== expectShasums[k]) {
+ cb(new Error(k + ' local checksum ' + contentShasums[k] + ' not match remote ' + expectShasums[k]))
+ return
+ }
+ }
+ cb()
+ }
+ }
+ }
+
+ function downloadShasums(done) {
+ log.verbose('check download content checksum, need to download `SHASUMS256.txt`...')
+ var shasumsPath = path.resolve(devDir, 'SHASUMS256.txt')
+
+ log.verbose('checksum url', release.shasumsUrl)
+ try {
+ var req = download(gyp, process.env, release.shasumsUrl)
+ } catch (e) {
+ return cb(e)
+ }
+
+ req.on('error', done)
+ req.on('response', function (res) {
+ if (res.statusCode !== 200) {
+ done(new Error(res.statusCode + ' status code downloading checksum'))
+ return
+ }
+
+ var chunks = []
+ res.on('data', function (chunk) {
+ chunks.push(chunk)
+ })
+ res.on('end', function () {
+ var lines = Buffer.concat(chunks).toString().trim().split('\n')
+ lines.forEach(function (line) {
+ var items = line.trim().split(/\s+/)
+ if (items.length !== 2) return
+
+ // 0035d18e2dcf9aad669b1c7c07319e17abfe3762 ./node-v0.11.4.tar.gz
+ var name = items[1].replace(/^\.\//, '')
+ expectShasums[name] = items[0]
+ })
+
+ log.verbose('checksum data', JSON.stringify(expectShasums))
+ done()
+ })
+ })
+ }
+
+ function downloadNodeLib (done) {
+ log.verbose('on Windows; need to download `' + release.name + '.lib`...')
+ var dir32 = path.resolve(devDir, 'ia32')
+ , dir64 = path.resolve(devDir, 'x64')
+ , libPath32 = path.resolve(dir32, release.name + '.lib')
+ , libPath64 = path.resolve(dir64, release.name + '.lib')
+
+ log.verbose('32-bit ' + release.name + '.lib dir', dir32)
+ log.verbose('64-bit ' + release.name + '.lib dir', dir64)
+ log.verbose('`' + release.name + '.lib` 32-bit url', release.libUrl32)
+ log.verbose('`' + release.name + '.lib` 64-bit url', release.libUrl64)
+
+ var async = 2
+ mkdir(dir32, function (err) {
+ if (err) return done(err)
+ log.verbose('streaming 32-bit ' + release.name + '.lib to:', libPath32)
+
+ try {
+ var req = download(gyp, process.env, release.libUrl32, cb)
+ } catch (e) {
+ return cb(e)
+ }
+
+ req.on('error', done)
+ req.on('response', function (res) {
+ if (res.statusCode !== 200) {
+ done(new Error(res.statusCode + ' status code downloading 32-bit ' + release.name + '.lib'))
+ return
+ }
+
+ getContentSha(res, function (_, checksum) {
+ contentShasums[release.libPath32] = checksum
+ log.verbose('content checksum', release.libPath32, checksum)
+ })
+
+ var ws = fs.createWriteStream(libPath32)
+ ws.on('error', cb)
+ req.pipe(ws)
+ })
+ req.on('end', function () {
+ --async || done()
+ })
+ })
+ mkdir(dir64, function (err) {
+ if (err) return done(err)
+ log.verbose('streaming 64-bit ' + release.name + '.lib to:', libPath64)
+
+ try {
+ var req = download(gyp, process.env, release.libUrl64, cb)
+ } catch (e) {
+ return cb(e)
+ }
+
+ req.on('error', done)
+ req.on('response', function (res) {
+ if (res.statusCode !== 200) {
+ done(new Error(res.statusCode + ' status code downloading 64-bit ' + release.name + '.lib'))
+ return
+ }
+
+ getContentSha(res, function (_, checksum) {
+ contentShasums[release.libPath64] = checksum
+ log.verbose('content checksum', release.libPath64, checksum)
+ })
+
+ var ws = fs.createWriteStream(libPath64)
+ ws.on('error', cb)
+ req.pipe(ws)
+ })
+ req.on('end', function () {
+ --async || done()
+ })
+ })
+ } // downloadNodeLib()
+
+ }) // mkdir()
+
+ } // go()
+
+ /**
+ * Checks if a given filename is "valid" for this installation.
+ */
+
+ function valid (file) {
+ // header files
+ return minimatch(file, '*.h', { matchBase: true }) ||
+ minimatch(file, '*.gypi', { matchBase: true })
+ }
+
+ /**
+ * The EACCES fallback is a workaround for npm's `sudo` behavior, where
+ * it drops the permissions before invoking any child processes (like
+ * node-gyp). So what happens is the "nobody" user doesn't have
+ * permission to create the dev dir. As a fallback, make the tmpdir() be
+ * the dev dir for this installation. This is not ideal, but at least
+ * the compilation will succeed...
+ */
+
+ function eaccesFallback () {
+ var tmpdir = osenv.tmpdir()
+ gyp.devDir = path.resolve(tmpdir, '.node-gyp')
+ log.warn('EACCES', 'user "%s" does not have permission to access the dev dir "%s"', osenv.user(), devDir)
+ log.warn('EACCES', 'attempting to reinstall using temporary dev dir "%s"', gyp.devDir)
+ if (process.cwd() == tmpdir) {
+ log.verbose('tmpdir == cwd', 'automatically will remove dev files after to save disk space')
+ gyp.todo.push({ name: 'remove', args: argv })
+ }
+ gyp.commands.install(argv, cb)
+ }
+
+}
+
+function download (gyp, env, url) {
+ log.http('GET', url)
+
+ var requestOpts = {
+ uri: url
+ , headers: {
+ 'User-Agent': 'node-gyp v' + gyp.version + ' (node ' + process.version + ')'
+ }
+ }
+
+ var cafile = gyp.opts.cafile
+ if (cafile) {
+ requestOpts.ca = readCAFile(cafile)
+ }
+
+ // basic support for a proxy server
+ var proxyUrl = gyp.opts.proxy
+ || env.http_proxy
+ || env.HTTP_PROXY
+ || env.npm_config_proxy
+ if (proxyUrl) {
+ if (/^https?:\/\//i.test(proxyUrl)) {
+ log.verbose('download', 'using proxy url: "%s"', proxyUrl)
+ requestOpts.proxy = proxyUrl
+ } else {
+ log.warn('download', 'ignoring invalid "proxy" config setting: "%s"', proxyUrl)
+ }
+ }
+
+ var req = request(requestOpts)
+ req.on('response', function (res) {
+ log.http(res.statusCode, url)
+ })
+
+ return req
+}
+
+function readCAFile (filename) {
+ // The CA file can contain multiple certificates so split on certificate
+ // boundaries. [\S\s]*? is used to match everything including newlines.
+ var ca = fs.readFileSync(filename, 'utf8')
+ var re = /(-----BEGIN CERTIFICATE-----[\S\s]*?-----END CERTIFICATE-----)/g
+ return ca.match(re)
+}
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