tra-analysis/website/node_modules/npm/lib/install/check-permissions.js
2019-01-06 13:14:45 -06:00

70 lines
1.9 KiB
JavaScript

'use strict'
var path = require('path')
var log = require('npmlog')
var validate = require('aproba')
var uniq = require('lodash.uniq')
var asyncMap = require('slide').asyncMap
var npm = require('../npm.js')
var exists = require('./exists.js')
var writable = require('./writable.js')
module.exports = function (actions, next) {
validate('AF', arguments)
var errors = []
asyncMap(actions, function (action, done) {
var cmd = action[0]
var pkg = action[1]
switch (cmd) {
case 'add':
hasAnyWriteAccess(path.resolve(pkg.path, '..'), errors, done)
break
case 'update':
case 'remove':
hasWriteAccess(pkg.path, errors, andHasWriteAccess(path.resolve(pkg.path, '..'), errors, done))
break
case 'move':
hasAnyWriteAccess(pkg.path, errors, andHasWriteAccess(path.resolve(pkg.fromPath, '..'), errors, done))
break
default:
done()
}
}, function () {
if (!errors.length) return next()
uniq(errors.map(function (er) { return 'Missing write access to ' + er.path })).forEach(function (er) {
log.warn('checkPermissions', er)
})
npm.config.get('force') ? next() : next(errors[0])
})
}
function andHasWriteAccess (dir, errors, done) {
validate('SAF', arguments)
return function () {
hasWriteAccess(dir, errors, done)
}
}
function hasAnyWriteAccess (dir, errors, done) {
validate('SAF', arguments)
findNearestDir()
function findNearestDir () {
var nextDir = path.resolve(dir, '..')
exists(dir, function (dirDoesntExist) {
if (!dirDoesntExist || nextDir === dir) {
return hasWriteAccess(dir, errors, done)
} else {
dir = nextDir
findNearestDir()
}
})
}
}
function hasWriteAccess (dir, errors, done) {
validate('SAF', arguments)
writable(dir, function (er) {
if (er) errors.push(er)
done()
})
}