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webapi-eca/js/persistence.js

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// Generated by CoffeeScript 1.7.1
/*
Persistence
============
> Handles the connection to the database and provides functionalities for event pollers,
> action invokers, rules and the (hopefully encrypted) storing of user-specific parameters
> per module.
> General functionality as a wrapper for the module holds initialization,
> the retrieval of modules and shut down.
>
> The general structure for linked data is that the key is stored in a set.
> By fetching all set entries we can then fetch all elements, which is
> automated in this function.
> For example, modules of the same group, e.g. action invokers are registered in an
> unordered set in the database, from where they can be retrieved again. For example
> a new action invoker has its ID (e.g 'probinder') first registered in the set
> 'action-invokers' and then stored in the db with the key 'action-invoker:' + ID
> (e.g. action-invoker:probinder).
>
*/
(function() {
var IndexedModules, exports, getSetRecords, redis, replyHandler,
__bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
redis = require('redis');
/*
Module call
-----------
Initializes the DB connection with the given `db-port` property in the `args` object.
@param {Object} args
*/
exports = module.exports = (function(_this) {
return function(args) {
if (!_this.db) {
if (!args['db-port']) {
args['db-port'] = 6379;
}
_this.log = args.logger;
exports.eventPollers = new IndexedModules('event-poller', _this.log);
exports.actionInvokers = new IndexedModules('action-invoker', _this.log);
return exports.initPort(args['db-port']);
}
};
})(this);
exports.getLogger = (function(_this) {
return function() {
return _this.log;
};
})(this);
exports.initPort = (function(_this) {
return function(port) {
var _ref;
_this.connRefused = false;
if ((_ref = _this.db) != null) {
_ref.quit();
}
_this.db = redis.createClient(port, 'localhost', {
connect_timeout: 2000
});
_this.db.on('error', function(err) {
if (err.message.indexOf('ECONNREFUSED') > -1) {
_this.connRefused = true;
return _this.log.warn('DB | Wrong port?');
} else {
return _this.log.error(err);
}
});
exports.eventPollers.setDB(_this.db);
return exports.actionInvokers.setDB(_this.db);
};
})(this);
exports.selectDatabase = (function(_this) {
return function(id) {
return _this.db.select(id);
};
})(this);
/*
Checks whether the db is connected and passes either an error on failure after
ten attempts within five seconds, or nothing on success to the callback(err).
@public isConnected( *cb* )
@param {function} cb
*/
exports.isConnected = (function(_this) {
return function(cb) {
var fCheckConnection, numAttempts;
if (!_this.db) {
return cb(new Error('DB | DB initialization did not occur or failed miserably!'));
} else {
if (_this.db.connected) {
return cb();
} else {
numAttempts = 0;
fCheckConnection = function() {
var _ref;
if (_this.connRefused) {
if ((_ref = _this.db) != null) {
_ref.quit();
}
return cb(new Error('DB | Connection refused! Wrong port?'));
} else {
if (_this.db.connected) {
_this.log.info('DB | Successfully connected to DB!');
return cb();
} else if (numAttempts++ < 10) {
return setTimeout(fCheckConnection, 100);
} else {
return cb(new Error('DB | Connection to DB failed!'));
}
}
};
return setTimeout(fCheckConnection, 100);
}
}
};
})(this);
/*
Abstracts logging for simple action replies from the DB.
@private replyHandler( *action* )
@param {String} action
*/
replyHandler = (function(_this) {
return function(action) {
return function(err, reply) {
if (err) {
return _this.log.warn(err, "during '" + action + "'");
} else {
return _this.log.info("DB | " + action + ": " + reply);
}
};
};
})(this);
/*
Push an event into the event queue.
@public pushEvent( *oEvent* )
@param {Object} oEvent
*/
exports.pushEvent = (function(_this) {
return function(oEvent) {
if (oEvent) {
_this.log.info("DB | Event pushed into the queue: '" + oEvent.eventid + "'");
return _this.db.rpush('event_queue', JSON.stringify(oEvent));
} else {
return _this.log.warn('DB | Why would you give me an empty event...');
}
};
})(this);
/*
Pop an event from the event queue and pass it to cb(err, obj).
@public popEvent( *cb* )
@param {function} cb
*/
exports.popEvent = (function(_this) {
return function(cb) {
var makeObj;
makeObj = function(pcb) {
return function(err, obj) {
return pcb(err, JSON.parse(obj));
};
};
return _this.db.lpop('event_queue', makeObj(cb));
};
})(this);
/*
Purge the event queue.
@public purgeEventQueue()
*/
exports.purgeEventQueue = (function(_this) {
return function() {
return _this.db.del('event_queue', replyHandler('purging event queue'));
};
})(this);
/*
Fetches all linked data set keys from a linking set, fetches the single
data objects via the provided function and returns the results to cb(err, obj).
@private getSetRecords( *set, fSingle, cb* )
@param {String} set the set name how it is stored in the DB
@param {function} fSingle a function to retrieve a single data element
per set entry
@param {function} cb the callback(err, obj) function that receives all
the retrieved data or an error
*/
getSetRecords = (function(_this) {
return function(set, fSingle, cb) {
_this.log.info("DB | Fetching set records: '" + set + "'");
return _this.db.smembers(set, function(err, arrReply) {
var fCallback, objReplies, reply, semaphore, _i, _len, _results;
if (err) {
_this.log.warn(err, "DB | fetching '" + set + "'");
return cb(err);
} else if (arrReply.length === 0) {
return cb();
} else {
semaphore = arrReply.length;
objReplies = {};
setTimeout(function() {
if (semaphore > 0) {
return cb(new Error("Timeout fetching '" + set + "'"));
}
}, 2000);
fCallback = function(prop) {
return function(err, data) {
--semaphore;
if (err) {
_this.log.warn(err, "DB | fetching single element: '" + prop + "'");
} else if (!data) {
_this.log.warn(new Error("Empty key in DB: '" + prop + "'"));
} else {
objReplies[prop] = data;
}
if (semaphore === 0) {
return cb(null, objReplies);
}
};
};
_results = [];
for (_i = 0, _len = arrReply.length; _i < _len; _i++) {
reply = arrReply[_i];
_results.push(fSingle(reply, fCallback(reply)));
}
return _results;
}
});
};
})(this);
IndexedModules = (function() {
function IndexedModules(setname, log) {
this.setname = setname;
this.log = log;
this.deleteUserArguments = __bind(this.deleteUserArguments, this);
this.getUserArguments = __bind(this.getUserArguments, this);
this.getAllModuleUserArguments = __bind(this.getAllModuleUserArguments, this);
this.getUserArgumentsFunctions = __bind(this.getUserArgumentsFunctions, this);
this.storeUserArguments = __bind(this.storeUserArguments, this);
this.deleteUserParams = __bind(this.deleteUserParams, this);
this.getUserParamsIds = __bind(this.getUserParamsIds, this);
this.getUserParams = __bind(this.getUserParams, this);
this.storeUserParams = __bind(this.storeUserParams, this);
this.deleteModule = __bind(this.deleteModule, this);
this.getModules = __bind(this.getModules, this);
this.getModuleIds = __bind(this.getModuleIds, this);
this.getAvailableModuleIds = __bind(this.getAvailableModuleIds, this);
this.getModuleParams = __bind(this.getModuleParams, this);
this.getModuleField = __bind(this.getModuleField, this);
this.getModule = __bind(this.getModule, this);
this.unpublish = __bind(this.unpublish, this);
this.publish = __bind(this.publish, this);
this.unlinkModule = __bind(this.unlinkModule, this);
this.linkModule = __bind(this.linkModule, this);
this.storeModule = __bind(this.storeModule, this);
this.log.info("DB | (IdxedMods) Instantiated indexed modules for '" + this.setname + "'");
}
IndexedModules.prototype.setDB = function(db) {
this.db = db;
return this.log.info("DB | (IdxedMods) Registered new DB connection for '" + this.setname + "'");
};
/*
Stores a module and links it to the user.
@private storeModule( *userId, oModule* )
@param {String} userId
@param {object} oModule
*/
IndexedModules.prototype.storeModule = function(userId, oModule) {
this.log.info("DB | (IdxedMods) " + this.setname + ".storeModule( " + userId + ", oModule )");
this.db.sadd("" + this.setname + "s", oModule.id, replyHandler("sadd '" + this.setname + "s' -> '" + oModule.id + "'"));
this.db.hmset("" + this.setname + ":" + oModule.id, oModule, replyHandler("hmset '" + this.setname + ":" + oModule.id + "' -> [oModule]"));
return this.linkModule(oModule.id, userId);
};
IndexedModules.prototype.linkModule = function(mId, userId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".linkModule( " + mId + ", " + userId + " )");
this.db.sadd("" + this.setname + ":" + mId + ":users", userId, replyHandler("sadd '" + this.setname + ":" + mId + ":users' -> '" + userId + "'"));
return this.db.sadd("user:" + userId + ":" + this.setname + "s", mId, replyHandler("sadd 'user:" + userId + ":" + this.setname + "s' -> " + mId));
};
IndexedModules.prototype.unlinkModule = function(mId, userId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".unlinkModule( " + mId + ", " + userId + " )");
this.db.srem("" + this.setname + ":" + mId + ":users", userId, replyHandler("srem '" + this.setname + ":" + mId + ":users' -> " + userId));
return this.db.srem("user:" + userId + ":" + this.setname + "s", mId, replyHandler("srem 'user:" + userId + ":" + this.setname + "s' -> " + mId));
};
IndexedModules.prototype.publish = function(mId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".publish( " + mId + " )");
return this.db.sadd("public-" + this.setname + "s", mId, replyHandler("sadd 'public-" + this.setname + "s' -> '" + mId + "'"));
};
IndexedModules.prototype.unpublish = function(mId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".unpublish( " + mId + " )");
return this.db.srem("public-" + this.setname + "s", mId, replyHandler("srem 'public-" + this.setname + "s' -> '" + mId + "'"));
};
IndexedModules.prototype.getModule = function(mId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getModule( " + mId + " )");
return this.db.hgetall("" + this.setname + ":" + mId, cb);
};
IndexedModules.prototype.getModuleField = function(mId, field, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getModuleField( " + mId + ", " + field + " )");
return this.db.hget("" + this.setname + ":" + mId, field, cb);
};
IndexedModules.prototype.getModuleParams = function(mId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getModuleParams( " + mId + " )");
return this.db.hget("" + this.setname + ":" + mId, "params", cb);
};
IndexedModules.prototype.getAvailableModuleIds = function(userId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getAvailableModuleIds( " + userId + " )");
return this.db.sunion("public-" + this.setname + "s", "user:" + userId + ":" + this.setname + "s", cb);
};
IndexedModules.prototype.getModuleIds = function(cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getModuleIds()");
return this.db.smembers("" + this.setname + "s", cb);
};
IndexedModules.prototype.getModules = function(cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getModules()");
return getSetRecords("" + this.setname + "s", this.getModule, cb);
};
IndexedModules.prototype.deleteModule = function(mId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".deleteModule( " + mId + " )");
this.db.srem("" + this.setname + "s", mId, replyHandler("srem '" + this.setname + "s' -> '" + mId + "'"));
this.db.del("" + this.setname + ":" + mId, replyHandler("del '" + this.setname + ":" + mId + "'"));
this.unpublish(mId);
return this.db.smembers("" + this.setname + ":" + mId + ":users", (function(_this) {
return function(err, obj) {
var userId, _i, _len, _results;
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
userId = obj[_i];
_this.unlinkModule(mId, userId);
_this.deleteUserParams(mId, userId);
_results.push(exports.getUserLinkedRules(userId, function(err, obj) {
var rule, _j, _len1, _results1;
_results1 = [];
for (_j = 0, _len1 = obj.length; _j < _len1; _j++) {
rule = obj[_j];
_results1.push(_this.getUserArgumentsFunctions(userId, rule, mId, function(err, obj) {
return _this.deleteUserArguments(userId, rule, mId);
}));
}
return _results1;
}));
}
return _results;
};
})(this));
};
/*
Stores user params for a module. They are expected to be RSA encrypted with helps of
the provided cryptico JS library and will only be decrypted right before the module is loaded!
@private storeUserParams( *mId, userId, encData* )
@param {String} mId
@param {String} userId
@param {object} encData
*/
IndexedModules.prototype.storeUserParams = function(mId, userId, encData) {
this.log.info("DB | (IdxedMods) " + this.setname + ".storeUserParams( " + mId + ", " + userId + ", encData )");
this.db.sadd("" + this.setname + "-params", "" + mId + ":" + userId, replyHandler("sadd '" + this.setname + "-params' -> '" + mId + ":" + userId + "'"));
return this.db.set("" + this.setname + "-params:" + mId + ":" + userId, encData, replyHandler("set '" + this.setname + "-params:" + mId + ":" + userId + "' -> [encData]"));
};
IndexedModules.prototype.getUserParams = function(mId, userId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getUserParams( " + mId + ", " + userId + " )");
return this.db.get("" + this.setname + "-params:" + mId + ":" + userId, cb);
};
IndexedModules.prototype.getUserParamsIds = function(cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getUserParamsIds()");
return this.db.smembers("" + this.setname + "-params", cb);
};
IndexedModules.prototype.deleteUserParams = function(mId, userId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".deleteUserParams( " + mId + ", " + userId + " )");
this.db.srem("" + this.setname + "-params", "" + mId + ":" + userId, replyHandler("srem '" + this.setname + "-params' -> '" + mId + ":" + userId + "'"));
return this.db.del("" + this.setname + "-params:" + mId + ":" + userId, replyHandler("del '" + this.setname + "-params:" + mId + ":" + userId + "'"));
};
/*
Stores user arguments for a function within a module. They are expected to be RSA encrypted with helps of
the provided cryptico JS library and will only be decrypted right before the module is loaded!
@private storeUserArguments( *userId, ruleId, mId, funcId, encData* )
@param {String} userId
@param {String} ruleId
@param {String} mId
@param {String} funcId
@param {object} encData
*/
IndexedModules.prototype.storeUserArguments = function(userId, ruleId, mId, funcId, encData) {
this.log.info("DB | (IdxedMods) " + this.setname + ".storeUserArguments( " + userId + ", " + ruleId + ", " + mId + ", " + funcId + ", encData )");
this.db.sadd("" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":functions", funcId, replyHandler("sadd '" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":functions' -> '" + funcId + "'"));
return this.db.set("" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":function:" + funcId, encData, replyHandler("set '" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":function:" + funcId + "' -> [encData]"));
};
IndexedModules.prototype.getUserArgumentsFunctions = function(userId, ruleId, mId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getUserArgumentsFunctions( " + userId + ", " + ruleId + ", " + mId + " )");
return this.db.get("" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":functions", cb);
};
IndexedModules.prototype.getAllModuleUserArguments = function(userId, ruleId, mId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getAllModuleUserArguments( " + userId + ", " + ruleId + ", " + mId + " )");
return this.db.smembers("" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":functions", (function(_this) {
return function(err, obj) {
var fRegisterFunction, func, oAnswer, sem, _i, _len, _results;
sem = obj.length;
oAnswer = {};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
func = obj[_i];
fRegisterFunction = function(func) {
return function(err, obj) {
if (obj) {
oAnswer[func] = obj;
}
if (--sem === 0) {
return cb(null, oAnswer);
}
};
};
_results.push(_this.db.get("" + _this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":function:" + func, fRegisterFunction(func)));
}
return _results;
};
})(this));
};
IndexedModules.prototype.getUserArguments = function(userId, ruleId, mId, funcId, cb) {
this.log.info("DB | (IdxedMods) " + this.setname + ".getUserArguments( " + userId + ", " + ruleId + ", " + mId + ", " + funcId + " )");
return this.db.get("" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":function:" + funcId, cb);
};
IndexedModules.prototype.deleteUserArguments = function(userId, ruleId, mId) {
this.log.info("DB | (IdxedMods) " + this.setname + ".deleteUserArguments( " + userId + ", " + ruleId + ", " + mId + " )");
return this.db.smembers("" + this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":functions", (function(_this) {
return function(err, obj) {
var func, _i, _len, _results;
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
func = obj[_i];
_results.push(_this.db.del("" + _this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":function:" + func, replyHandler("del '" + _this.setname + ":" + userId + ":" + ruleId + ":" + mId + ":function:" + func + "'")));
}
return _results;
};
})(this));
};
return IndexedModules;
})();
/*
*# Rules
*/
/*
Appends a log entry.
@public log( *userId, ruleId, message* )
@param {String} userId
@param {String} ruleId
@param {String} message
*/
exports.appendLog = (function(_this) {
return function(userId, ruleId, moduleId, message) {
return _this.db.append("" + userId + ":" + ruleId + ":log", "[UTC|" + ((new Date()).toISOString()) + "] {" + moduleId + "} " + message + "\n");
};
})(this);
/*
Retrieves a log entry.
@public getLog( *userId, ruleId* )
@param {String} userId
@param {String} ruleId
@param {function} cb
*/
exports.getLog = (function(_this) {
return function(userId, ruleId, cb) {
return _this.db.get("" + userId + ":" + ruleId + ":log", cb);
};
})(this);
/*
Resets a log entry.
@public resetLog( *userId, ruleId* )
@param {String} userId
@param {String} ruleId
*/
exports.resetLog = (function(_this) {
return function(userId, ruleId) {
return _this.db.del("" + userId + ":" + ruleId + ":log", replyHandler("del '" + userId + ":" + ruleId + ":log'"));
};
})(this);
/*
Query the DB for a rule and pass it to cb(err, obj).
@public getRule( *ruleId, cb* )
@param {String} ruleId
@param {function} cb
*/
exports.getRule = (function(_this) {
return function(ruleId, cb) {
_this.log.info("DB | getRule( '" + ruleId + "' )");
return _this.db.get("rule:" + ruleId, cb);
};
})(this);
/*
Fetch all rules and pass them to cb(err, obj).
@public getRules( *cb* )
@param {function} cb
*/
exports.getRules = (function(_this) {
return function(cb) {
_this.log.info("DB | Fetching all Rules: getSetRecords 'rules'");
return getSetRecords('rules', exports.getRule, cb);
};
})(this);
/*
Fetch all rule IDs and hand it to cb(err, obj).
@public getRuleIds( *cb* )
@param {function} cb
*/
exports.getRuleIds = (function(_this) {
return function(cb) {
_this.log.info("DB | Fetching all Rule IDs: 'rules'");
return _this.db.smembers('rules', cb);
};
})(this);
/*
Store a string representation of a rule in the DB.
@public storeRule( *ruleId, data* )
@param {String} ruleId
@param {String} data
*/
exports.storeRule = (function(_this) {
return function(ruleId, data) {
_this.log.info("DB | storeRule( '" + ruleId + "' )");
_this.db.sadd('rules', "" + ruleId, replyHandler("sadd 'rules' -> '" + ruleId + "'"));
return _this.db.set("rule:" + ruleId, data, replyHandler("set 'rule:" + ruleId + "' -> [data]"));
};
})(this);
/*
Delete a string representation of a rule.
@public deleteRule( *ruleId, userId* )
@param {String} ruleId
@param {String} userId
*/
exports.deleteRule = (function(_this) {
return function(ruleId) {
_this.log.info("DB | deleteRule( '" + ruleId + "' )");
_this.db.srem("rules", ruleId, replyHandler("srem 'rules' -> '" + ruleId + "'"));
_this.db.del("rule:" + ruleId, replyHandler("del 'rule:" + ruleId + "'"));
_this.db.smembers("rule:" + ruleId + ":users", function(err, obj) {
var delLinkedUserRule, id, _i, _len, _results;
delLinkedUserRule = function(userId) {
exports.resetLog(userId, ruleId);
return _this.db.srem("user:" + userId + ":rules", ruleId, replyHandler("srem 'user:" + userId + ":rules' -> '" + ruleId + "'"));
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
id = obj[_i];
_results.push(delLinkedUserRule(id));
}
return _results;
});
_this.db.del("rule:" + ruleId + ":users", replyHandler("del 'rule:" + ruleId + ":users'"));
_this.db.smembers("rule:" + ruleId + ":active-users", function(err, obj) {
var delActiveUserRule, id, _i, _len, _results;
delActiveUserRule = function(userId) {
return _this.db.srem("user:" + userId + ":active-rules", ruleId, replyHandler("srem 'user:" + userId + ":active-rules' -> '" + ruleId + "'"));
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
id = obj[_i];
_results.push(delActiveUserRule(id));
}
return _results;
});
return _this.db.del("rule:" + ruleId + ":active-users", replyHandler("del 'rule:" + ruleId + ":active-users'"));
};
})(this);
/*
Associate a rule to a user.
@public linkRule( *ruleId, userId* )
@param {String} ruleId
@param {String} userId
*/
exports.linkRule = (function(_this) {
return function(ruleId, userId) {
_this.log.info("DB | linkRule: '" + ruleId + "' to user '" + userId + "'");
_this.db.sadd("rule:" + ruleId + ":users", userId, replyHandler("sadd 'rule:" + ruleId + ":users' -> '" + userId + "'"));
return _this.db.sadd("user:" + userId + ":rules", ruleId, replyHandler("sadd 'user:" + userId + ":rules' -> '" + ruleId + "'"));
};
})(this);
/*
Get rules linked to a user and hand it to cb(err, obj).
@public getUserLinkRule( *userId, cb* )
@param {String} userId
@param {function} cb
*/
exports.getUserLinkedRules = (function(_this) {
return function(userId, cb) {
_this.log.info("DB | getUserLinkedRules: smembers 'user:" + userId + ":rules'");
return _this.db.smembers("user:" + userId + ":rules", cb);
};
})(this);
/*
Get users linked to a rule and hand it to cb(err, obj).
@public getRuleLinkedUsers( *ruleId, cb* )
@param {String} ruleId
@param {function} cb
*/
exports.getRuleLinkedUsers = (function(_this) {
return function(ruleId, cb) {
_this.log.info("DB | getRuleLinkedUsers: smembers 'rule:" + ruleId + ":users'");
return _this.db.smembers("rule:" + ruleId + ":users", cb);
};
})(this);
/*
Delete an association of a rule to a user.
@public unlinkRule( *ruleId, userId* )
@param {String} ruleId
@param {String} userId
*/
exports.unlinkRule = (function(_this) {
return function(ruleId, userId) {
_this.log.info("DB | unlinkRule: '" + ruleId + ":" + userId + "'");
_this.db.srem("rule:" + ruleId + ":users", userId, replyHandler("srem 'rule:" + ruleId + ":users' -> '" + userId + "'"));
return _this.db.srem("user:" + userId + ":rules", ruleId, replyHandler("srem 'user:" + userId + ":rules' -> '" + ruleId + "'"));
};
})(this);
/*
Activate a rule.
@public activateRule( *ruleId, userId* )
@param {String} ruleId
@param {String} userId
*/
exports.activateRule = (function(_this) {
return function(ruleId, userId) {
_this.log.info("DB | activateRule: '" + ruleId + "' for '" + userId + "'");
_this.db.sadd("rule:" + ruleId + ":active-users", userId, replyHandler("sadd 'rule:" + ruleId + ":active-users' -> '" + userId + "'"));
return _this.db.sadd("user:" + userId + ":active-rules", ruleId, replyHandler("sadd 'user:" + userId + ":active-rules' -> '" + ruleId + "'"));
};
})(this);
/*
Get rules activated for a user and hand it to cb(err, obj).
@public getUserLinkRule( *userId, cb* )
@param {String} userId
@param {function} cb
*/
exports.getUserActivatedRules = (function(_this) {
return function(userId, cb) {
_this.log.info("DB | getUserActivatedRules: smembers 'user:" + userId + ":active-rules'");
return _this.db.smembers("user:" + userId + ":active-rules", cb);
};
})(this);
/*
Get users activated for a rule and hand it to cb(err, obj).
@public getRuleActivatedUsers ( *ruleId, cb* )
@param {String} ruleId
@param {function} cb
*/
exports.getRuleActivatedUsers = (function(_this) {
return function(ruleId, cb) {
_this.log.info("DB | getRuleActivatedUsers: smembers 'rule:" + ruleId + ":active-users'");
return _this.db.smembers("rule:" + ruleId + ":active-users", cb);
};
})(this);
/*
Deactivate a rule.
@public deactivateRule( *ruleId, userId* )
@param {String} ruleId
@param {String} userId
*/
exports.deactivateRule = (function(_this) {
return function(ruleId, userId) {
_this.log.info("DB | deactivateRule: '" + ruleId + "' for '" + userId + "'");
_this.db.srem("rule:" + ruleId + ":active-users", userId, replyHandler("srem 'rule:" + ruleId + ":active-users' -> '" + userId + "'"));
return _this.db.srem("user:" + userId + ":active-rules", ruleId, replyHandler("srem 'user:" + userId + ":active-rules' '" + ruleId + "'"));
};
})(this);
/*
Fetch all active ruleIds and pass them to cb(err, obj).
@public getAllActivatedRuleIds( *cb* )
@param {function} cb
*/
exports.getAllActivatedRuleIdsPerUser = (function(_this) {
return function(cb) {
_this.log.info("DB | Fetching all active rules");
return _this.db.smembers('users', function(err, obj) {
var fFetchActiveUserRules, result, semaphore, user, _i, _len, _results;
result = {};
if (obj.length === 0) {
return cb(null, result);
} else {
semaphore = obj.length;
fFetchActiveUserRules = function(userId) {
return _this.db.smembers("user:" + user + ":active-rules", function(err, obj) {
if (obj.length > 0) {
result[userId] = obj;
}
if (--semaphore === 0) {
return cb(null, result);
}
});
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
user = obj[_i];
_results.push(fFetchActiveUserRules(user));
}
return _results;
}
});
};
})(this);
/*
*# Users
*/
/*
Store a user object (needs to be a flat structure).
The password should be hashed before it is passed to this function.
@public storeUser( *objUser* )
@param {Object} objUser
*/
exports.storeUser = (function(_this) {
return function(objUser) {
_this.log.info("DB | storeUser: '" + objUser.username + "'");
if (objUser && objUser.username && objUser.password) {
_this.db.sadd('users', objUser.username, replyHandler("sadd 'users' -> '" + objUser.username + "'"));
_this.db.hmset("user:" + objUser.username, objUser, replyHandler("hmset 'user:" + objUser.username + "' -> [objUser]"));
return _this.db.hset("user:" + objUser.username, "roles", JSON.stringify(objUser.roles), replyHandler("hset 'user:" + objUser.username + "' field 'roles' -> [objUser]"));
} else {
return _this.log.warn(new Error('DB | username or password was missing'));
}
};
})(this);
/*
Fetch all user IDs and pass them to cb(err, obj).
@public getUserIds( *cb* )
@param {function} cb
*/
exports.getUserIds = (function(_this) {
return function(cb) {
_this.log.info("DB | getUserIds");
return _this.db.smembers("users", cb);
};
})(this);
/*
Fetch a user by id and pass it to cb(err, obj).
@public getUser( *userId, cb* )
@param {String} userId
@param {function} cb
*/
exports.getUser = (function(_this) {
return function(userId, cb) {
_this.log.info("DB | getUser: '" + userId + "'");
return _this.db.hgetall("user:" + userId, function(err, obj) {
try {
obj.roles = JSON.parse(obj.roles);
} catch (_error) {}
return cb(err, obj);
});
};
})(this);
/*
Deletes a user and all his associated linked and active rules.
@public deleteUser( *userId* )
@param {String} userId
*/
exports.deleteUser = (function(_this) {
return function(userId) {
_this.log.info("DB | deleteUser: '" + userId + "'");
_this.db.srem("users", userId, replyHandler("srem 'users' -> '" + userId + "'"));
_this.db.del("user:" + userId, replyHandler("del 'user:" + userId + "'"));
_this.db.smembers("user:" + userId + ":rules", function(err, obj) {
var delLinkedRuleUser, id, _i, _len, _results;
delLinkedRuleUser = function(ruleId) {
return _this.db.srem("rule:" + ruleId + ":users", userId, replyHandler("srem 'rule:" + ruleId + ":users' -> '" + userId + "'"));
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
id = obj[_i];
_results.push(delLinkedRuleUser(id));
}
return _results;
});
_this.db.del("user:" + userId + ":rules", replyHandler("del 'user:" + userId + ":rules'"));
_this.db.smembers("user:" + userId + ":active-rules", function(err, obj) {
var delActivatedRuleUser, id, _i, _len, _results;
delActivatedRuleUser = function(ruleId) {
return _this.db.srem("rule:" + ruleId + ":active-users", userId, replyHandler("srem 'rule:" + ruleId + ":active-users' -> '" + userId + "'"));
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
id = obj[_i];
_results.push(delActivatedRuleUser(id));
}
return _results;
});
_this.db.del("user:" + userId + ":active-rules", replyHandler("del user:" + userId + ":active-rules"));
_this.db.smembers("user:" + userId + ":roles", function(err, obj) {
var delRoleUser, id, _i, _len, _results;
delRoleUser = function(roleId) {
return _this.db.srem("role:" + roleId + ":users", userId, replyHandler("srem 'role:" + roleId + ":users' -> '" + userId + "'"));
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
id = obj[_i];
_results.push(delRoleUser(id));
}
return _results;
});
return _this.db.del("user:" + userId + ":roles", replyHandler("del 'user:" + userId + ":roles'"));
};
})(this);
/*
Checks the credentials and on success returns the user object to the
callback(err, obj) function. The password has to be hashed (SHA-3-512)
beforehand by the instance closest to the user that enters the password,
because we only store hashes of passwords for security6 reasons.
@public loginUser( *userId, password, cb* )
@param {String} userId
@param {String} password
@param {function} cb
*/
exports.loginUser = (function(_this) {
return function(userId, password, cb) {
var fCheck;
_this.log.info("DB | User '" + userId + "' tries to log in");
fCheck = function(pw) {
return function(err, obj) {
if (err) {
return cb(err, null);
} else if (obj && obj.password) {
if (pw === obj.password) {
_this.log.info("DB | User '" + obj.username + "' logged in!");
obj.roles = JSON.parse(obj.roles);
return cb(null, obj);
} else {
return cb(new Error('Wrong credentials!'), null);
}
} else {
return cb(new Error('User not found!'), null);
}
};
};
return _this.db.hgetall("user:" + userId, fCheck(password));
};
})(this);
/*
*# User Roles
*/
/*
Associate a role with a user.
@public storeUserRole( *userId, role* )
@param {String} userId
@param {String} role
*/
exports.storeUserRole = (function(_this) {
return function(userId, role) {
_this.log.info("DB | storeUserRole: '" + userId + ":" + role + "'");
_this.db.sadd('roles', role, replyHandler("sadd '" + role + "' to 'roles'"));
_this.db.sadd("user:" + userId + ":roles", role, replyHandler("sadd 'user:" + userId + ":roles' -> '" + role + "'"));
return _this.db.sadd("role:" + role + ":users", userId, replyHandler("sadd 'role:" + role + ":users' -> '" + userId + "'"));
};
})(this);
/*
Associate a role with a user.
@public storeUserRole( *userId, role* )
@param {String} userId
@param {String} role
*/
exports.deleteRole = (function(_this) {
return function(role) {
_this.log.info("DB | deleteRole: '" + role + "'");
_this.db.smembers("role:" + role + ":users", function(err, obj) {
var delUserRole, id, _i, _len, _results;
delUserRole = function(userId) {
return _this.db.srem("user:" + userId + ":roles", role, replyHandler("srem 'user:" + userId + ":roles' -> '" + role + "'"));
};
_results = [];
for (_i = 0, _len = obj.length; _i < _len; _i++) {
id = obj[_i];
_results.push(delUserRole(id));
}
return _results;
});
return _this.db.srem("roles", role, replyHandler("srem 'roles' -> '" + role + "'"));
};
})(this);
/*
Fetch all roles of a user and pass them to cb(err, obj).
@public getUserRoles( *userId* )
@param {String} userId
@param {function} cb
*/
exports.getUserRoles = (function(_this) {
return function(userId, cb) {
_this.log.info("DB | getUserRoles: '" + userId + "'");
return _this.db.smembers("user:" + userId + ":roles", cb);
};
})(this);
/*
Fetch all users of a role and pass them to cb(err, obj).
@public getUserRoles( *role* )
@param {String} role
@param {function} cb
*/
exports.getRoleUsers = (function(_this) {
return function(role, cb) {
_this.log.info("DB | getRoleUsers: '" + role + "'");
return _this.db.smembers("role:" + role + ":users", cb);
};
})(this);
/*
Remove a role from a user.
@public removeRoleFromUser( *role, userId* )
@param {String} role
@param {String} userId
*/
exports.removeUserRole = (function(_this) {
return function(userId, role) {
_this.log.info("DB | removeRoleFromUser: role '" + role + "', user '" + userId + "'");
_this.db.srem("user:" + userId + ":roles", role, replyHandler("srem 'user:" + userId + ":roles' -> '" + role + "'"));
return _this.db.srem("role:" + role + ":users", userId, replyHandler("srem 'role:" + role + ":users' -> '" + userId + "'"));
};
})(this);
/*
Shuts down the db link.
@public shutDown()
*/
exports.shutDown = (function(_this) {
return function() {
var _ref;
return (_ref = _this.db) != null ? _ref.quit() : void 0;
};
})(this);
}).call(this);
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