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doctor.js
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const cacache = require('cacache') const fs = require('fs') const fetch = require('make-fetch-happen') const table = require('text-table') const which = require('which') const pacote = require('pacote') const { resolve } = require('path') const semver = require('semver') const { promisify } = require('util') const log = require('../utils/log-shim.js') const ansiTrim = require('../utils/ansi-trim.js') const ping = require('../utils/ping.js') const { registry: { default: defaultRegistry }, } = require('../utils/config/definitions.js') const lstat = promisify(fs.lstat) const readdir = promisify(fs.readdir) const access = promisify(fs.access) const { R_OK, W_OK, X_OK } = fs.constants const maskLabel = mask => { const label = [] if (mask & R_OK) { label.push('readable') } if (mask & W_OK) { label.push('writable') } if (mask & X_OK) { label.push('executable') } return label.join(', ') } const BaseCommand = require('../base-command.js') class Doctor extends BaseCommand { static description = 'Check your npm environment' static name = 'doctor' static params = ['registry'] static ignoreImplicitWorkspace = false async exec (args) { log.info('Running checkup') // each message is [title, ok, message] const messages = [] const actions = [ ['npm ping', 'checkPing', []], ['npm -v', 'getLatestNpmVersion', []], ['node -v', 'getLatestNodejsVersion', []], ['npm config get registry', 'checkNpmRegistry', []], ['which git', 'getGitPath', []], ...(process.platform === 'win32' ? [] : [ [ 'Perms check on cached files', 'checkFilesPermission', [this.npm.cache, true, R_OK], ], [ 'Perms check on local node_modules', 'checkFilesPermission', [this.npm.localDir, true, R_OK | W_OK, true], ], [ 'Perms check on global node_modules', 'checkFilesPermission', [this.npm.globalDir, false, R_OK], ], [ 'Perms check on local bin folder', 'checkFilesPermission', [this.npm.localBin, false, R_OK | W_OK | X_OK, true], ], [ 'Perms check on global bin folder', 'checkFilesPermission', [this.npm.globalBin, false, X_OK], ], ]), [ 'Verify cache contents', 'verifyCachedFiles', [this.npm.flatOptions.cache], ], // TODO: // - ensure arborist.loadActual() runs without errors and no invalid edges // - ensure package-lock.json matches loadActual() // - verify loadActual without hidden lock file matches hidden lockfile // - verify all local packages have bins linked ] // Do the actual work for (const [msg, fn, args] of actions) { const line = [msg] try { line.push(true, await this[fn](...args)) } catch (er) { line.push(false, er) } messages.push(line) } const outHead = ['Check', 'Value', 'Recommendation/Notes'].map(h => this.npm.chalk.underline(h)) let allOk = true const outBody = messages.map(item => { if (!item[1]) { allOk = false item[0] = this.npm.chalk.red(item[0]) item[1] = this.npm.chalk.red('not ok') item[2] = this.npm.chalk.magenta(String(item[2])) } else { item[1] = this.npm.chalk.green('ok') } return item }) const outTable = [outHead, ...outBody] const tableOpts = { stringLength: s => ansiTrim(s).length, } if (!this.npm.silent) { this.npm.output(table(outTable, tableOpts)) } if (!allOk) { throw new Error('Some problems found. See above for recommendations.') } } async checkPing () { const tracker = log.newItem('checkPing', 1) tracker.info('checkPing', 'Pinging registry') try { await ping({ ...this.npm.flatOptions, retry: false }) return '' } catch (er) { if (/^E\d{3}$/.test(er.code || '')) { throw er.code.slice(1) + ' ' + er.message } else { throw er.message } } finally { tracker.finish() } } async getLatestNpmVersion () { const tracker = log.newItem('getLatestNpmVersion', 1) tracker.info('getLatestNpmVersion', 'Getting npm package information') try { const latest = (await pacote.manifest('npm@latest', this.npm.flatOptions)).version if (semver.gte(this.npm.version, latest)) { return `current: v${this.npm.version}, latest: v${latest}` } else { throw `Use npm v${latest}` } } finally { tracker.finish() } } async getLatestNodejsVersion () { // XXX get the latest in the current major as well const current = process.version const currentRange = `^${current}` const url = 'https://nodejs.org/dist/index.json' const tracker = log.newItem('getLatestNodejsVersion', 1) tracker.info('getLatestNodejsVersion', 'Getting Node.js release information') try { const res = await fetch(url, { method: 'GET', ...this.npm.flatOptions }) const data = await res.json() let maxCurrent = '0.0.0' let maxLTS = '0.0.0' for (const { lts, version } of data) { if (lts && semver.gt(version, maxLTS)) { maxLTS = version } if (semver.satisfies(version, currentRange) && semver.gt(version, maxCurrent)) { maxCurrent = version } } const recommended = semver.gt(maxCurrent, maxLTS) ? maxCurrent : maxLTS if (semver.gte(process.version, recommended)) { return `current: ${current}, recommended: ${recommended}` } else { throw `Use node ${recommended} (current: ${current})` } } finally { tracker.finish() } } async checkFilesPermission (root, shouldOwn, mask, missingOk) { let ok = true const tracker = log.newItem(root, 1) try { const uid = process.getuid() const gid = process.getgid() const files = new Set([root]) for (const f of files) { tracker.silly('checkFilesPermission', f.slice(root.length + 1)) const st = await lstat(f).catch(er => { // if it can't be missing, or if it can and the error wasn't that it was missing if (!missingOk || er.code !== 'ENOENT') { ok = false tracker.warn('checkFilesPermission', 'error getting info for ' + f) } }) tracker.completeWork(1) if (!st) { continue } if (shouldOwn && (uid !== st.uid || gid !== st.gid)) { tracker.warn('checkFilesPermission', 'should be owner of ' + f) ok = false } if (!st.isDirectory() && !st.isFile()) { continue } try { await access(f, mask) } catch (er) { ok = false const msg = `Missing permissions on ${f} (expect: ${maskLabel(mask)})` tracker.error('checkFilesPermission', msg) continue } if (st.isDirectory()) { const entries = await readdir(f).catch(er => { ok = false tracker.warn('checkFilesPermission', 'error reading directory ' + f) return [] }) for (const entry of entries) { files.add(resolve(f, entry)) } } } } finally { tracker.finish() if (!ok) { throw ( `Check the permissions of files in ${root}` + (shouldOwn ? ' (should be owned by current user)' : '') ) } else { return '' } } } async getGitPath () { const tracker = log.newItem('getGitPath', 1) tracker.info('getGitPath', 'Finding git in your PATH') try { return await which('git').catch(er => { tracker.warn(er) throw "Install git and ensure it's in your PATH." }) } finally { tracker.finish() } } async verifyCachedFiles () { const tracker = log.newItem('verifyCachedFiles', 1) tracker.info('verifyCachedFiles', 'Verifying the npm cache') try { const stats = await cacache.verify(this.npm.flatOptions.cache) const { badContentCount, reclaimedCount, missingContent, reclaimedSize } = stats if (badContentCount || reclaimedCount || missingContent) { if (badContentCount) { tracker.warn('verifyCachedFiles', `Corrupted content removed: ${badContentCount}`) } if (reclaimedCount) { tracker.warn( 'verifyCachedFiles', `Content garbage-collected: ${reclaimedCount} (${reclaimedSize} bytes)` ) } if (missingContent) { tracker.warn('verifyCachedFiles', `Missing content: ${missingContent}`) } tracker.warn('verifyCachedFiles', 'Cache issues have been fixed') } tracker.info( 'verifyCachedFiles', `Verification complete. Stats: ${JSON.stringify(stats, null, 2)}` ) return `verified ${stats.verifiedContent} tarballs` } finally { tracker.finish() } } async checkNpmRegistry () { if (this.npm.flatOptions.registry !== defaultRegistry) { throw `Try \`npm config set registry=${defaultRegistry}\`` } else { return `using default registry (${defaultRegistry})` } } } module.exports = Doctor