470 lines
10 KiB
JavaScript
470 lines
10 KiB
JavaScript
/* jslint node: true */
|
|
'use strict';
|
|
|
|
var userDb = require('./database.js').dbs.user;
|
|
var Config = require('./config.js').config;
|
|
var userGroup = require('./user_group.js');
|
|
|
|
var crypto = require('crypto');
|
|
var assert = require('assert');
|
|
var async = require('async');
|
|
var _ = require('lodash');
|
|
var moment = require('moment');
|
|
|
|
exports.User = User;
|
|
exports.getUserIdAndName = getUserIdAndName;
|
|
exports.getUserName = getUserName;
|
|
exports.loadProperties = loadProperties;
|
|
|
|
function User() {
|
|
var self = this;
|
|
|
|
this.userId = 0;
|
|
this.username = '';
|
|
this.properties = {}; // name:value
|
|
this.groups = {}; // id:name
|
|
|
|
this.isValid = function() {
|
|
if(self.userId <= 0 || self.username.length < Config.users.usernameMin) {
|
|
return false;
|
|
}
|
|
|
|
return this.hasValidPassword();
|
|
};
|
|
|
|
this.hasValidPassword = function() {
|
|
if(!this.properties || !this.properties.pw_pbkdf2_salt || !this.properties.pw_pbkdf2_dk) {
|
|
return false;
|
|
}
|
|
|
|
return this.properties.pw_pbkdf2_salt.length === User.PBKDF2.saltLen * 2 &&
|
|
this.prop_name.pw_pbkdf2_dk.length === User.PBKDF2.keyLen * 2;
|
|
};
|
|
|
|
this.isRoot = function() {
|
|
return 1 === this.userId;
|
|
};
|
|
|
|
this.isSysOp = this.isRoot; // alias
|
|
|
|
this.isGroupMember = function(groupIdOrName) {
|
|
return _.isString(self.groups[groupIdOrName]);
|
|
};
|
|
|
|
this.getLegacySecurityLevel = function() {
|
|
if(self.isRoot() || self.isGroupMember('sysops')) {
|
|
return 100;
|
|
} else if(self.isGroupMember('users')) {
|
|
return 30;
|
|
} else {
|
|
return 10; // :TODO: Is this what we want?
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
User.PBKDF2 = {
|
|
iterations : 1000,
|
|
keyLen : 128,
|
|
saltLen : 32,
|
|
};
|
|
|
|
User.StandardPropertyGroups = {
|
|
password : [ 'pw_pbkdf2_salt', 'pw_pbkdf2_dk' ],
|
|
};
|
|
|
|
User.AccountStatus = {
|
|
disabled : -1,
|
|
inactive : 0,
|
|
active : 1,
|
|
};
|
|
|
|
User.prototype.load = function(userId, cb) {
|
|
|
|
};
|
|
|
|
User.prototype.authenticate = function(username, password, cb) {
|
|
var self = this;
|
|
|
|
var cachedInfo = {};
|
|
|
|
async.waterfall(
|
|
[
|
|
function fetchUserId(callback) {
|
|
// get user ID
|
|
getUserIdAndName(username, function onUserId(err, uid, un) {
|
|
cachedInfo.userId = uid;
|
|
cachedInfo.username = un;
|
|
|
|
callback(err);
|
|
});
|
|
},
|
|
|
|
function getRequiredAuthProperties(callback) {
|
|
// fetch properties required for authentication
|
|
loadProperties( { userId : cachedInfo.userId, names : User.StandardPropertyGroups.password }, function onProps(err, props) {
|
|
callback(err, props);
|
|
});
|
|
},
|
|
function getDkWithSalt(props, callback) {
|
|
// get DK from stored salt and password provided
|
|
generatePasswordDerivedKey(password, props.pw_pbkdf2_salt, function onDk(err, dk) {
|
|
callback(err, dk, props.pw_pbkdf2_dk);
|
|
});
|
|
},
|
|
function validateAuth(passDk, propsDk, callback) {
|
|
//
|
|
// Use constant time comparison here for security feel-goods
|
|
//
|
|
var passDkBuf = new Buffer(passDk, 'hex');
|
|
var propsDkBuf = new Buffer(propsDk, 'hex');
|
|
|
|
if(passDkBuf.length !== propsDkBuf.length) {
|
|
callback(new Error('Invalid password'));
|
|
return;
|
|
}
|
|
|
|
var c = 0;
|
|
for(var i = 0; i < passDkBuf.length; i++) {
|
|
c |= passDkBuf[i] ^ propsDkBuf[i];
|
|
}
|
|
|
|
callback(0 === c ? null : new Error('Invalid password'));
|
|
},
|
|
function initProps(callback) {
|
|
loadProperties( { userId : cachedInfo.userId }, function onProps(err, allProps) {
|
|
if(!err) {
|
|
cachedInfo.properties = allProps;
|
|
}
|
|
|
|
callback(err);
|
|
});
|
|
},
|
|
function initGroups(callback) {
|
|
userGroup.getGroupsForUser(cachedInfo.userId, function groupsLoaded(err, groups) {
|
|
if(!err) {
|
|
cachedInfo.groups = groups;
|
|
}
|
|
|
|
callback(err);
|
|
});
|
|
}
|
|
],
|
|
function complete(err) {
|
|
if(!err) {
|
|
self.userId = cachedInfo.userId;
|
|
self.username = cachedInfo.username;
|
|
self.properties = cachedInfo.properties;
|
|
self.groups = cachedInfo.groups;
|
|
self.authenticated = true;
|
|
}
|
|
|
|
cb(err);
|
|
}
|
|
);
|
|
};
|
|
|
|
User.prototype.create = function(options, cb) {
|
|
assert(0 === this.userId);
|
|
assert(this.username.length > 0); // :TODO: Min username length? Max?
|
|
assert(_.isObject(options));
|
|
assert(_.isString(options.password));
|
|
|
|
var self = this;
|
|
|
|
// :TODO: set various defaults, e.g. default activation status, etc.
|
|
self.properties.account_status = Config.users.requireActivation ? User.AccountStatus.inactive : User.AccountStatus.active;
|
|
|
|
async.series(
|
|
[
|
|
function beginTransaction(callback) {
|
|
userDb.run('BEGIN;', function transBegin(err) {
|
|
callback(err);
|
|
});
|
|
},
|
|
function createUserRec(callback) {
|
|
userDb.run(
|
|
'INSERT INTO user (user_name) ' +
|
|
'VALUES (?);',
|
|
[ self.username ],
|
|
function userInsert(err) {
|
|
if(err) {
|
|
callback(err);
|
|
} else {
|
|
self.userId = this.lastID;
|
|
|
|
// Do not require activation for userId 1 (root/admin)
|
|
if(1 === self.userId) {
|
|
self.properties.account_status = User.AccountStatus.active;
|
|
}
|
|
|
|
|
|
|
|
callback(null);
|
|
}
|
|
}
|
|
);
|
|
},
|
|
function genAuthCredentials(callback) {
|
|
generatePasswordDerivedKeyAndSalt(options.password, function dkAndSalt(err, info) {
|
|
if(err) {
|
|
callback(err);
|
|
} else {
|
|
self.properties.pw_pbkdf2_salt = info.salt;
|
|
self.properties.pw_pbkdf2_dk = info.dk;
|
|
callback(null);
|
|
}
|
|
});
|
|
},
|
|
function setInitialGroupMembership(callback) {
|
|
userGroup.getGroupsByName(Config.users.defaultGroups, function defaultGroups(err, groups) {
|
|
if(err) {
|
|
callback(err);
|
|
} else {
|
|
self.groups = groups;
|
|
callback(null);
|
|
}
|
|
});
|
|
},
|
|
function setInitialSysOpGroupMembership(callback) {
|
|
if(1 !== self.userId) {
|
|
callback(null);
|
|
return;
|
|
}
|
|
|
|
userGroup.getGroupsByName( [ 'sysops' ], function sysopGroups(err, groups) {
|
|
if(err) {
|
|
callback(err);
|
|
} else {
|
|
_.assign(self.groups, self.groups, groups);
|
|
callback(null);
|
|
}
|
|
});
|
|
},
|
|
function saveAll(callback) {
|
|
self.persist(false, function persisted(err) {
|
|
callback(err);
|
|
});
|
|
}
|
|
],
|
|
function complete(err) {
|
|
if(err) {
|
|
var originalError = err;
|
|
userDb.run('ROLLBACK;', function rollback(err) {
|
|
assert(!err);
|
|
cb(originalError);
|
|
});
|
|
} else {
|
|
userDb.run('COMMIT;', function commited(err) {
|
|
cb(err);
|
|
});
|
|
}
|
|
}
|
|
);
|
|
};
|
|
|
|
User.prototype.persist = function(useTransaction, cb) {
|
|
assert(this.userId > 0);
|
|
|
|
var self = this;
|
|
|
|
async.series(
|
|
[
|
|
function beginTransaction(callback) {
|
|
if(useTransaction) {
|
|
userDb.run('BEGIN;', function transBegin(err) {
|
|
callback(err);
|
|
});
|
|
} else {
|
|
callback(null);
|
|
}
|
|
},
|
|
function saveProps(callback) {
|
|
self.persistProperties(function persisted(err) {
|
|
callback(err);
|
|
});
|
|
},
|
|
function saveGroups(callback) {
|
|
userGroup.addUserToGroups(self.userId, self.groups, function groupsSaved(err) {
|
|
callback(err);
|
|
});
|
|
}
|
|
],
|
|
function complete(err) {
|
|
if(err) {
|
|
if(useTransaction) {
|
|
userDb.run('ROLLBACK;', function rollback(err) {
|
|
cb(err);
|
|
});
|
|
} else {
|
|
cb(err);
|
|
}
|
|
} else {
|
|
if(useTransaction) {
|
|
userDb.run('COMMIT;', function commited(err) {
|
|
cb(err);
|
|
});
|
|
} else {
|
|
cb(null);
|
|
}
|
|
}
|
|
}
|
|
);
|
|
};
|
|
|
|
User.prototype.persistProperty = function(propName, propValue, cb) {
|
|
// update live props
|
|
this.properties[propName] = propValue;
|
|
|
|
userDb.run(
|
|
'REPLACE INTO user_property (user_id, prop_name, prop_value) ' +
|
|
'VALUES (?, ?, ?);', [ this.userId, propName, propValue ], function ran(err) {
|
|
cb(err);
|
|
}
|
|
);
|
|
}
|
|
|
|
User.prototype.persistProperties = function(cb) {
|
|
assert(this.userId > 0);
|
|
|
|
var self = this;
|
|
|
|
var stmt = userDb.prepare(
|
|
'REPLACE INTO user_property (user_id, prop_name, prop_value) ' +
|
|
'VALUES (?, ?, ?);');
|
|
|
|
async.each(Object.keys(this.properties), function property(propName, callback) {
|
|
stmt.run(self.userId, propName, self.properties[propName], function onRun(err) {
|
|
callback(err);
|
|
});
|
|
}, function complete(err) {
|
|
if(err) {
|
|
cb(err);
|
|
} else {
|
|
stmt.finalize(function finalized() {
|
|
cb(null);
|
|
});
|
|
}
|
|
});
|
|
};
|
|
|
|
User.prototype.getAge = function() {
|
|
if(_.has(this.properties, 'birthdate')) {
|
|
return moment().diff(this.properties.birthdate, 'years');
|
|
}
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Exported methods
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
function getUserIdAndName(username, cb) {
|
|
userDb.get(
|
|
'SELECT id, user_name ' +
|
|
'FROM user ' +
|
|
'WHERE user_name LIKE ?;',
|
|
[ username ],
|
|
function onResults(err, row) {
|
|
if(err) {
|
|
cb(err);
|
|
} else {
|
|
if(row) {
|
|
cb(null, row.id, row.user_name);
|
|
} else {
|
|
cb(new Error('No matching username'));
|
|
}
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
function getUserName(userId, cb) {
|
|
userDb.get(
|
|
'SELECT user_name ' +
|
|
'FROM user ' +
|
|
'WHERE id=?;', [ userId ],
|
|
function got(err, row) {
|
|
if(err) {
|
|
cb(err);
|
|
} else {
|
|
if(row) {
|
|
cb(null, row.user_name);
|
|
} else {
|
|
cb(new Error('No matching user ID'));
|
|
}
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Internal utility methods
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
function generatePasswordDerivedKeyAndSalt(password, cb) {
|
|
async.waterfall(
|
|
[
|
|
function getSalt(callback) {
|
|
generatePasswordDerivedKeySalt(function onSalt(err, salt) {
|
|
callback(err, salt);
|
|
});
|
|
},
|
|
function getDk(salt, callback) {
|
|
generatePasswordDerivedKey(password, salt, function onDk(err, dk) {
|
|
callback(err, salt, dk);
|
|
});
|
|
}
|
|
],
|
|
function onComplete(err, salt, dk) {
|
|
cb(err, { salt : salt, dk : dk });
|
|
}
|
|
);
|
|
}
|
|
|
|
function generatePasswordDerivedKeySalt(cb) {
|
|
crypto.randomBytes(User.PBKDF2.saltLen, function onRandSalt(err, salt) {
|
|
if(err) {
|
|
cb(err);
|
|
} else {
|
|
cb(null, salt.toString('hex'));
|
|
}
|
|
});
|
|
}
|
|
|
|
function generatePasswordDerivedKey(password, salt, cb) {
|
|
password = new Buffer(password).toString('hex');
|
|
crypto.pbkdf2(password, salt, User.PBKDF2.iterations, User.PBKDF2.keyLen, function onDerivedKey(err, dk) {
|
|
if(err) {
|
|
cb(err);
|
|
} else {
|
|
cb(null, dk.toString('hex'));
|
|
}
|
|
});
|
|
}
|
|
|
|
function loadProperties(options, cb) {
|
|
assert(options.userId);
|
|
|
|
var sql =
|
|
'SELECT prop_name, prop_value ' +
|
|
'FROM user_property ' +
|
|
'WHERE user_id = ?';
|
|
|
|
if(options.names) {
|
|
sql +=' AND prop_name IN("' + options.names.join('","') + '");';
|
|
} else {
|
|
sql += ';';
|
|
}
|
|
|
|
var properties = {};
|
|
|
|
userDb.each(sql, [ options.userId ], function onRow(err, row) {
|
|
if(err) {
|
|
cb(err);
|
|
return;
|
|
} else {
|
|
properties[row.prop_name] = row.prop_value;
|
|
}
|
|
}, function complete() {
|
|
cb(null, properties);
|
|
});
|
|
}
|