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7.7 KiB
JavaScript

'use strict';
module.exports = exports = install;
exports.usage = 'Attempts to install pre-built binary for module';
const fs = require('fs');
const path = require('path');
const log = require('npmlog');
const existsAsync = fs.exists || path.exists;
const versioning = require('./util/versioning.js');
const napi = require('./util/napi.js');
const makeDir = require('make-dir');
// for fetching binaries
const fetch = require('node-fetch');
const tar = require('tar');
let npgVersion = 'unknown';
try {
// Read own package.json to get the current node-pre-pyp version.
const ownPackageJSON = fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8');
npgVersion = JSON.parse(ownPackageJSON).version;
} catch (e) {
// do nothing
}
function place_binary(uri, targetDir, opts, callback) {
log.http('GET', uri);
// Try getting version info from the currently running npm.
const envVersionInfo = process.env.npm_config_user_agent ||
'node ' + process.version;
const sanitized = uri.replace('+', '%2B');
const requestOpts = {
uri: sanitized,
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;
}
const proxyUrl = opts.proxy ||
process.env.http_proxy ||
process.env.HTTP_PROXY ||
process.env.npm_config_proxy;
let agent;
if (proxyUrl) {
const ProxyAgent = require('https-proxy-agent');
agent = new ProxyAgent(proxyUrl);
log.http('download', 'proxy agent configured using: "%s"', proxyUrl);
}
fetch(sanitized, { agent })
.then((res) => {
if (!res.ok) {
throw new Error(`response status ${res.status} ${res.statusText} on ${sanitized}`);
}
const dataStream = res.body;
return new Promise((resolve, reject) => {
let extractions = 0;
const countExtractions = (entry) => {
extractions += 1;
log.info('install', 'unpacking %s', entry.path);
};
dataStream.pipe(extract(targetDir, countExtractions))
.on('error', (e) => {
reject(e);
});
dataStream.on('end', () => {
resolve(`extracted file count: ${extractions}`);
});
dataStream.on('error', (e) => {
reject(e);
});
});
})
.then((text) => {
log.info(text);
callback();
})
.catch((e) => {
log.error(`install ${e.message}`);
callback(e);
});
}
function extract(to, onentry) {
return tar.extract({
cwd: to,
strip: 1,
onentry
});
}
function extract_from_local(from, targetDir, callback) {
if (!fs.existsSync(from)) {
return callback(new Error('Cannot find file ' + from));
}
log.info('Found local file to extract from ' + from);
// extract helpers
let extractCount = 0;
function countExtractions(entry) {
extractCount += 1;
log.info('install', 'unpacking ' + entry.path);
}
function afterExtract(err) {
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(targetDir, countExtractions))
.on('close', afterExtract)
.on('error', afterExtract);
}
function do_build(gyp, argv, callback) {
const args = ['rebuild'].concat(argv);
gyp.todo.push({ name: 'build', args: args });
process.nextTick(callback);
}
function print_fallback_error(err, opts, package_json) {
const fallback_message = ' (falling back to source compile with node-gyp)';
let 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);
}
}
//
// install
//
function install(gyp, argv, callback) {
const package_json = gyp.package_json;
const napi_build_version = napi.get_napi_build_version_from_command_args(argv);
const source_build = gyp.opts['build-from-source'] || gyp.opts.build_from_source;
const update_binary = gyp.opts['update-binary'] || gyp.opts.update_binary;
const 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 {
const fallback_to_build = gyp.opts['fallback-to-build'] || gyp.opts.fallback_to_build;
let 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) {
const cooked = JSON.parse(process.env.npm_config_argv).cooked;
const 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');
}
}
let 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;
const from = opts.hosted_tarball;
const to = opts.module_path;
const binary_module = path.join(to, opts.module_name + '.node');
existsAsync(binary_module, (found) => {
if (!update_binary) {
if (found) {
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();
}
log.info('check', 'checked for "' + binary_module + '" (not found)');
}
makeDir(to).then(() => {
const fileName = from.startsWith('file://') && from.slice('file://'.length);
if (fileName) {
extract_from_local(fileName, to, after_place);
} else {
place_binary(from, to, opts, after_place);
}
}).catch((err) => {
after_place(err);
});
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();
}
}
});
}
}