var fs = require('fs') var path = require('path') var getUid = require('uid-number') var chain = require('slide').chain var log = require('npmlog') var npm = require('../npm.js') var fileCompletion = require('../utils/completion/file-completion.js') function checkFilesPermission (root, mask, cb) { if (process.platform === 'win32') return cb(null, true) getUid(npm.config.get('user'), npm.config.get('group'), function (e, uid, gid) { if (e) { tracker.finish() tracker.warn('checkFilePermissions', 'Error looking up user and group:', e) return cb(e) } var tracker = log.newItem('checkFilePermissions', 1) tracker.info('checkFilePermissions', 'Building file list of ' + root) fileCompletion(root, '.', Infinity, function (e, files) { if (e) { tracker.warn('checkFilePermissions', 'Error building file list:', e) tracker.finish() return cb(e) } tracker.addWork(files.length) tracker.completeWork(1) chain(files.map(andCheckFile), function (er) { tracker.finish() cb(null, !er) }) function andCheckFile (f) { return [checkFile, f] } function checkFile (f, next) { var file = path.join(root, f) tracker.silly('checkFilePermissions', f) fs.stat(file, function (e, stat) { tracker.completeWork(1) if (e) return next(e) if (!stat.isFile()) return next() var mode = stat.mode var isGroup = stat.gid ? stat.gid === gid : true var isUser = stat.uid ? stat.uid === uid : true if ((mode & parseInt('000' + mask, 8))) return next() if ((isGroup && mode & parseInt('00' + mask + '0', 8))) return next() if ((isUser && mode & parseInt('0' + mask + '00', 8))) return next() tracker.error('checkFilePermissions', 'Missing permissions on (' + isGroup + ', ' + isUser + ', ' + mode + ')', file) return next(new Error('Missing permissions for ' + file)) }) } }) }) } module.exports = checkFilesPermission