mapkey checks a set, not a singular

This commit is contained in:
Simon Tokumine
2011-11-22 03:46:59 +00:00
parent 4347589826
commit 5cdadd863e

View File

@@ -19,6 +19,7 @@ module.exports = function() {
user_metadata_db: 5,
table_metadata_db: 0,
user_key: "rails:users:<%= username %>",
map_key: "rails:users:<%= username %>:map_key",
table_key: "rails:<%= database_name %>:<%= table_name %>"
};
@@ -48,7 +49,7 @@ module.exports = function() {
*/
me.getId= function(req, callback) {
// strip subdomain from header host
var username = req.headers.host.split('.')[0]
var username = req.headers.host.split('.')[0];
var redisKey = _.template(this.user_key, {username: username});
this.retrieve(this.user_metadata_db, redisKey, 'id', callback);
@@ -60,12 +61,11 @@ module.exports = function() {
* @param req - standard express req object. importantly contains host information
* @param callback
*/
me.getMapKey = function(req, callback) {
me.checkMapKey = function(req, callback) {
// strip subdomain from header host
var username = req.headers.host.split('.')[0]
var redisKey = _.template(this.user_key, {username: username});
this.retrieve(this.user_metadata_db, redisKey, 'map_key', callback);
var username = req.headers.host.split('.')[0];
var redisKey = _.template(this.map_key, {username: username});
this.inSet(this.user_metadata_db, redisKey, req.query.map_key, callback);
};
/**
@@ -79,12 +79,12 @@ module.exports = function() {
Step(
function(){
that.getMapKey(req, this);
that.checkMapKey(req, this);
},
function checkIfInternal(err, data){
function checkIfInternal(err, check_result){
if (err) throw err;
if (data === req.query.map_key){
if (check_result === 1){
callback(err, true); // Internal access so early exit with access.
} else {
return true; // continue to check if the table is public/private
@@ -175,24 +175,35 @@ module.exports = function() {
);
};
// Redis Hash lookup
me.retrieve = function(db, redisKey, hashKey, callback) {
this.redisCmd(db,'HGET',[redisKey, hashKey], callback);
};
// Redis Set member check
me.inSet = function(db, setKey, member, callback) {
this.redisCmd(db,'SISMEMBER',[setKey, member], callback);
};
/**
* Make a HASH data access call to Redis
* Use Redis
*
* @param redisKey - the base redis key where the metadata hash lives
* @param hashKey - the specific metadata you want to retrieve
* @param callback - function to pass metadata too. err,data args
* @param db - redis database number
* @param redisFunc - the redis function to execute
* @param redisArgs - the arguments for the redis function in an array
* @param callback - function to pass results too.
*/
me.retrieve = function(db, redisKey, hashKey, callback) {
me.redisCmd = function(db, redisFunc, redisArgs, callback) {
var redisClient;
Step(
function getRedisClient() {
redis_pool.acquire(db, this);
},
function lookupMetadata(err, data) {
function executeQuery(err, data) {
redisClient = data;
redisClient.HGET(redisKey, hashKey, this);
redisArgs.push(this);
redisClient[redisFunc.toUpperCase()].apply(redisClient, redisArgs);
},
function releaseRedisClient(err, data) {
if (err) throw err;