diff options
Diffstat (limited to 'node_modules/node-pre-gyp/lib/install.js')
| -rw-r--r-- | node_modules/node-pre-gyp/lib/install.js | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/node_modules/node-pre-gyp/lib/install.js b/node_modules/node-pre-gyp/lib/install.js new file mode 100644 index 0000000..37a435a --- /dev/null +++ b/node_modules/node-pre-gyp/lib/install.js @@ -0,0 +1,285 @@ +"use strict"; + +module.exports = exports = install; + +exports.usage = 'Attempts to install pre-built binary for module'; + +var fs = require('fs'); +var path = require('path'); +var log = require('npmlog'); +var existsAsync = fs.exists || path.exists; +var versioning = require('./util/versioning.js'); +var napi = require('./util/napi.js'); +var mkdirp = require('mkdirp'); + +var npgVersion = 'unknown'; +try { + // Read own package.json to get the current node-pre-pyp version. + var ownPackageJSON = fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8'); + npgVersion = JSON.parse(ownPackageJSON).version; +} catch (e) {} + +var http_get = { + impl: undefined, + type: undefined +}; + +try { + http_get.impl = require('request'); + http_get.type = 'request'; + log.warn("Using request for node-pre-gyp https download"); +} catch (e) { + http_get.impl = require('needle'); + http_get.type = 'needle'; + log.warn("Using needle for node-pre-gyp https download"); +} + +function download(uri,opts,callback) { + log.http('GET', uri); + + var req = null; + + // Try getting version info from the currently running npm. + var envVersionInfo = process.env.npm_config_user_agent || + 'node ' + process.version; + + var requestOpts = { + uri: uri.replace('+','%2B'), + headers: { + 'User-Agent': 'node-pre-gyp (v' + npgVersion + ', ' + envVersionInfo + ')' + }, + follow_max: 10, + }; + + if (opts.cafile) { + try { + requestOpts.ca = fs.readFileSync(opts.cafile); + } catch (e) { + return callback(e); + } + } else if (opts.ca) { + requestOpts.ca = opts.ca; + } + + var proxyUrl = opts.proxy || + process.env.http_proxy || + process.env.HTTP_PROXY || + process.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); + } + } + try { + req = http_get.impl.get(requestOpts.uri, requestOpts); + } catch (e) { + return callback(e); + } + if (req) { + req.on('response', function (res) { + log.http(res.statusCode, uri); + }); + } + return callback(null,req); +} + +function place_binary(from,to,opts,callback) { + download(from,opts,function(err,req) { + if (err) return callback(err); + if (!req) return callback(new Error("empty req")); + var badDownload = false; + var hasResponse = false; + + function afterExtract(err, extractCount) { + if (err) return callback(err); + if (badDownload) return callback(new Error("bad download")); + if (extractCount === 0) { + return callback(new Error('There was a fatal problem while downloading/extracting the tarball')); + } + log.info('tarball', 'done parsing tarball'); + callback(); + } + + // for request compatibility + req.on('error', function(err) { + badDownload = true; + if (!hasResponse) { + hasResponse = true; + return callback(err); + } + }); + + // for needle compatibility + req.on('err', function(err) { + badDownload = true; + if (!hasResponse) { + hasResponse = true; + return callback(err); + } + }); + + req.on('close', function () { + if (!hasResponse) { + hasResponse = true; + return callback(new Error('Connection closed while downloading tarball file')); + } + }); + + req.on('response', function(res) { + // ignore redirects, needle handles these automatically. + if (http_get.type === 'needle' && res.headers.hasOwnProperty('location') && res.headers.location !== '') { + return; + } + if (hasResponse) { + return; + } + hasResponse = true; + if (res.statusCode !== 200) { + badDownload = true; + var err = new Error(res.statusCode + ' status code downloading tarball ' + from); + err.statusCode = res.statusCode; + return callback(err); + } + // start unzipping and untaring + req.pipe(extract(to, afterExtract)); + }); + }); +} + +function extract_from_local(from, to, callback) { + if (!fs.existsSync(from)) { + return callback(new Error('Cannot find file ' + from)); + } + log.info('Found local file to extract from ' + from); + function afterExtract(err, extractCount) { + if (err) return callback(err); + if (extractCount === 0) { + return callback(new Error('There was a fatal problem while extracting the tarball')); + } + log.info('tarball', 'done parsing tarball'); + callback(); + } + fs.createReadStream(from).pipe(extract(to, afterExtract)); +} + +function extract(to, callback) { + var extractCount = 0; + function filter_func(entry) { + log.info('install','unpacking ' + entry.path); + extractCount++; + } + + function afterTarball(err) { + callback(err, extractCount); + } + + var tar = require('tar'); + return tar.extract({ + cwd: to, + strip: 1, + onentry: filter_func + }).on('close', afterTarball).on('error', callback); +} + + +function do_build(gyp,argv,callback) { + var args = ['rebuild'].concat(argv); + gyp.todo.push( { name: 'build', args: args } ); + process.nextTick(callback); +} + +function print_fallback_error(err,opts,package_json) { + var fallback_message = ' (falling back to source compile with node-gyp)'; + var full_message = ''; + if (err.statusCode !== undefined) { + // If we got a network response it but failed to download + // it means remote binaries are not available, so let's try to help + // the user/developer with the info to debug why + full_message = "Pre-built binaries not found for " + package_json.name + "@" + package_json.version; + full_message += " and " + opts.runtime + "@" + (opts.target || process.versions.node) + " (" + opts.node_abi + " ABI, " + opts.libc + ")"; + full_message += fallback_message; + log.warn("Tried to download(" + err.statusCode + "): " + opts.hosted_tarball); + log.warn(full_message); + log.http(err.message); + } else { + // If we do not have a statusCode that means an unexpected error + // happened and prevented an http response, so we output the exact error + full_message = "Pre-built binaries not installable for " + package_json.name + "@" + package_json.version; + full_message += " and " + opts.runtime + "@" + (opts.target || process.versions.node) + " (" + opts.node_abi + " ABI, " + opts.libc + ")"; + full_message += fallback_message; + log.warn(full_message); + log.warn("Hit error " + err.message); + } +} + +function install(gyp, argv, callback) { + var package_json = JSON.parse(fs.readFileSync('./package.json')); + var napi_build_version = napi.get_napi_build_version_from_command_args(argv); + var source_build = gyp.opts['build-from-source'] || gyp.opts.build_from_source; + var update_binary = gyp.opts['update-binary'] || gyp.opts.update_binary; + var should_do_source_build = source_build === package_json.name || (source_build === true || source_build === 'true'); + if (should_do_source_build) { + log.info('build','requesting source compile'); + return do_build(gyp,argv,callback); + } else { + var fallback_to_build = gyp.opts['fallback-to-build'] || gyp.opts.fallback_to_build; + var should_do_fallback_build = fallback_to_build === package_json.name || (fallback_to_build === true || fallback_to_build === 'true'); + // but allow override from npm + if (process.env.npm_config_argv) { + var cooked = JSON.parse(process.env.npm_config_argv).cooked; + var match = cooked.indexOf("--fallback-to-build"); + if (match > -1 && cooked.length > match && cooked[match+1] == "false") { + should_do_fallback_build = false; + log.info('install','Build fallback disabled via npm flag: --fallback-to-build=false'); + } + } + var opts; + try { + opts = versioning.evaluate(package_json, gyp.opts, napi_build_version); + } catch (err) { + return callback(err); + } + + opts.ca = gyp.opts.ca; + opts.cafile = gyp.opts.cafile; + + var from = opts.hosted_tarball; + var to = opts.module_path; + var binary_module = path.join(to,opts.module_name + '.node'); + existsAsync(binary_module,function(found) { + if (found && !update_binary) { + console.log('['+package_json.name+'] Success: "' + binary_module + '" already installed'); + console.log('Pass --update-binary to reinstall or --build-from-source to recompile'); + return callback(); + } else { + if (!update_binary) log.info('check','checked for "' + binary_module + '" (not found)'); + mkdirp(to,function(err) { + if (err) { + after_place(err); + } else { + var fileName = from.startsWith('file://') && from.replace(/^file:\/\//, ''); + if (fileName) { + extract_from_local(fileName, to, after_place); + } else { + place_binary(from,to,opts,after_place); + } + } + }); + } + function after_place(err) { + if (err && should_do_fallback_build) { + print_fallback_error(err,opts,package_json); + return do_build(gyp,argv,callback); + } else if (err) { + return callback(err); + } else { + console.log('['+package_json.name+'] Success: "' + binary_module + '" is installed via remote'); + return callback(); + } + } + }); + } +} |