diff --git a/lib/cartodb/controllers/named_maps_admin.js b/lib/cartodb/controllers/named_maps_admin.js
index 0f54ddf3..a4d05467 100644
--- a/lib/cartodb/controllers/named_maps_admin.js
+++ b/lib/cartodb/controllers/named_maps_admin.js
@@ -1,10 +1,6 @@
-var step = require('step');
-var assert = require('assert');
-var templateName = require('../backends/template_maps').templateName;
-
-var cors = require('../middleware/cors');
-var userMiddleware = require('../middleware/user');
-
+const { templateName } = require('../backends/template_maps');
+const cors = require('../middleware/cors');
+const userMiddleware = require('../middleware/user');
 
 /**
  * @param {AuthApi} authApi
@@ -20,211 +16,189 @@ function NamedMapsAdminController(authApi, templateMaps) {
 module.exports = NamedMapsAdminController;
 
 NamedMapsAdminController.prototype.register = function (app) {
+    const { base_url_templated } = app;
+
     app.post(
-        app.base_url_templated + '/',
+        `${base_url_templated}/`,
         cors(),
         userMiddleware,
-        this.create.bind(this)
+        this.checkContentType('POST', 'POST TEMPLATE'),
+        this.authorizedByAPIKey('create', 'POST TEMPLATE'),
+        this.create()
     );
 
     app.put(
-        app.base_url_templated + '/:template_id',
+        `${base_url_templated}/:template_id`,
         cors(),
         userMiddleware,
-        this.update.bind(this)
+        this.checkContentType('PUT', 'PUT TEMPLATE'),
+        this.authorizedByAPIKey('update', 'PUT TEMPLATE'),
+        this.update()
     );
 
     app.get(
-        app.base_url_templated + '/:template_id',
+        `${base_url_templated}/:template_id`,
         cors(),
         userMiddleware,
-        this.retrieve.bind(this)
+        this.authorizedByAPIKey('get', 'GET TEMPLATE'),
+        this.retrieve()
     );
 
     app.delete(
-        app.base_url_templated + '/:template_id',
+        `${base_url_templated}/:template_id`,
         cors(),
         userMiddleware,
-        this.destroy.bind(this)
+        this.authorizedByAPIKey('delete', 'DELETE TEMPLATE'),
+        this.destroy()
     );
 
     app.get(
-        app.base_url_templated + '/',
+        `${base_url_templated}/`,
         cors(),
         userMiddleware,
-        this.list.bind(this)
+        this.authorizedByAPIKey('list', 'GET TEMPLATE LIST'),
+        this.list()
     );
 
     app.options(
-        app.base_url_templated + '/:template_id',
+        `${base_url_templated}/:template_id`,
         cors('Content-Type')
     );
 };
 
-NamedMapsAdminController.prototype.create = function(req, res, next) {
-    var self = this;
+NamedMapsAdminController.prototype.authorizedByAPIKey = function (action, label) {
+    return function authorizedByAPIKeyMiddleware (req, res, next) {
+        const { user } = res.locals;
 
-    var cdbuser = res.locals.user;
+        this.authApi.authorizedByAPIKey(user, req, (err, authenticated) => {
+            if (err) {
+                return next(err);
+            }
 
-    step(
-        function checkPerms(){
-            self.authApi.authorizedByAPIKey(cdbuser, req, this);
-        },
-        function addTemplate(err, authenticated) {
-            assert.ifError(err);
-            ifUnauthenticated(authenticated, 'Only authenticated users can get template maps');
-            ifInvalidContentType(req, 'template POST data must be of type application/json');
-            var cfg = req.body;
-            self.templateMaps.addTemplate(cdbuser, cfg, this);
-        },
-        function prepareResponse(err, tpl_id){
-            assert.ifError(err);
-            return { template_id: tpl_id };
-        },
-        finishFn(self, req, res, 'POST TEMPLATE', null, next)
-    );
+            if (!authenticated) {
+                const error = new Error(`Only authenticated user can ${action} templated maps`);
+                error.http_status = 403;
+                error.label = label;
+                return next(error);
+            }
+
+            next();
+        });
+    }.bind(this);
 };
 
-NamedMapsAdminController.prototype.update = function(req, res, next) {
-    var self = this;
-
-    var cdbuser = res.locals.user;
-    var template;
-    var tpl_id;
-
-    step(
-        function checkPerms(){
-            self.authApi.authorizedByAPIKey(cdbuser, req, this);
-        },
-        function updateTemplate(err, authenticated) {
-            assert.ifError(err);
-            ifUnauthenticated(authenticated, 'Only authenticated user can update templated maps');
-            ifInvalidContentType(req, 'template PUT data must be of type application/json');
-
-            template = req.body;
-            tpl_id = templateName(req.params.template_id);
-            self.templateMaps.updTemplate(cdbuser, tpl_id, template, this);
-        },
-        function prepareResponse(err){
-            assert.ifError(err);
-
-            return { template_id: tpl_id };
-        },
-        finishFn(self, req, res, 'PUT TEMPLATE', null, next)
-    );
+NamedMapsAdminController.prototype.checkContentType = function (action, label) {
+    return function checkContentTypeMiddleware (req, res, next) {
+        if (!req.is('application/json')) {
+            const error = new Error(`template ${action} data must be of type application/json`);
+            error.label = label;
+            return next(error);
+        }
+        next();
+    };
 };
 
-NamedMapsAdminController.prototype.retrieve = function(req, res, next) {
-    var self = this;
+NamedMapsAdminController.prototype.create = function () {
+    return function createTemplateMiddleware (req, res, next) {
+        const { user } = res.locals;
+        const template = req.body;
 
-    req.profiler.start('windshaft-cartodb.get_template');
+        this.templateMaps.addTemplate(user, template, (err, templateId) => {
+            if (err) {
+                return next(err);
+            }
 
-    var cdbuser = res.locals.user;
-    var tpl_id;
-    step(
-        function checkPerms(){
-            self.authApi.authorizedByAPIKey(cdbuser, req, this);
-        },
-        function getTemplate(err, authenticated) {
-            assert.ifError(err);
-            ifUnauthenticated(authenticated, 'Only authenticated users can get template maps');
+            res.status(200);
 
-            tpl_id = templateName(req.params.template_id);
-            self.templateMaps.getTemplate(cdbuser, tpl_id, this);
-        },
-        function prepareResponse(err, tpl_val) {
-            assert.ifError(err);
-            if ( ! tpl_val ) {
-                err = new Error("Cannot find template '" + tpl_id + "' of user '" + cdbuser + "'");
-                err.http_status = 404;
-                throw err;
+            const method = req.query.callback ? 'jsonp' : 'json';
+            res[method]({ template_id: templateId });
+        });
+    }.bind(this);
+};
+
+NamedMapsAdminController.prototype.update = function () {
+    return function updateTemplateMiddleware (req, res, next) {
+        const { user } = res.locals;
+        const template = req.body;
+        const templateId = templateName(req.params.template_id);
+
+        this.templateMaps.updTemplate(user, templateId, template, (err) => {
+            if (err) {
+                return next(err);
+            }
+
+            res.status(200);
+
+            const method = req.query.callback ? 'jsonp' : 'json';
+            res[method]({ template_id: templateId });
+        });
+    }.bind(this);
+};
+
+NamedMapsAdminController.prototype.retrieve =  function () {
+    return function retrieveTemplateMiddleware (req, res, next) {
+        req.profiler.start('windshaft-cartodb.get_template');
+
+        const { user } = res.locals;
+        const templateId = templateName(req.params.template_id);
+
+        this.templateMaps.getTemplate(user, templateId, (err, template) => {
+            if (err) {
+                return next(err);
+            }
+
+            if (!template) {
+                const error = new Error(`Cannot find template '${templateId}' of user '${user}'`);
+                error.http_status = 404;
+                return next(error);
             }
             // auth_id was added by ourselves,
             // so we remove it before returning to the user
-            delete tpl_val.auth_id;
-            return { template: tpl_val };
-        },
-        finishFn(self, req, res, 'GET TEMPLATE', null, next)
-    );
+            delete template.auth_id;
+
+            res.status(200);
+
+            const method = req.query.callback ? 'jsonp' : 'json';
+            res[method]({ template });
+        });
+    }.bind(this);
 };
 
-NamedMapsAdminController.prototype.destroy = function(req, res, next) {
-    var self = this;
+NamedMapsAdminController.prototype.destroy = function () {
+    return function destroyTemplateMiddleware (req, res, next) {
+        req.profiler.start('windshaft-cartodb.delete_template');
 
-    req.profiler.start('windshaft-cartodb.delete_template');
+        const { user } = res.locals;
+        const templateId = templateName(req.params.template_id);
 
-    var cdbuser = res.locals.user;
-    var tpl_id;
-    step(
-        function checkPerms(){
-            self.authApi.authorizedByAPIKey(cdbuser, req, this);
-        },
-        function deleteTemplate(err, authenticated) {
-            assert.ifError(err);
-            ifUnauthenticated(authenticated, 'Only authenticated users can delete template maps');
-
-            tpl_id = templateName(req.params.template_id);
-            self.templateMaps.delTemplate(cdbuser, tpl_id, this);
-        },
-        function prepareResponse(err/*, tpl_val*/){
-            assert.ifError(err);
-            return '';
-        },
-        finishFn(self, req, res, 'DELETE TEMPLATE', 204, next)
-    );
-};
-
-NamedMapsAdminController.prototype.list = function(req, res, next) {
-    var self = this;
-    req.profiler.start('windshaft-cartodb.get_template_list');
-
-    var cdbuser = res.locals.user;
-
-    step(
-        function checkPerms(){
-            self.authApi.authorizedByAPIKey(cdbuser, req, this);
-        },
-        function listTemplates(err, authenticated) {
-            assert.ifError(err);
-            ifUnauthenticated(authenticated, 'Only authenticated user can list templated maps');
-
-            self.templateMaps.listTemplates(cdbuser, this);
-        },
-        function prepareResponse(err, tpl_ids){
-            assert.ifError(err);
-            return { template_ids: tpl_ids };
-        },
-        finishFn(self, req, res, 'GET TEMPLATE LIST', null, next)
-    );
-};
-
-function finishFn(controller, req, res, description, status, next) {
-    return function finish(err, body){
-        if (err) {
-            err.label = description;
-            next(err);
-        } else {
-            res.status(status || 200);
-
-            if (req.query && req.query.callback) {
-                res.jsonp(body);
-            } else {
-                res.json(body);
+        this.templateMaps.delTemplate(user, templateId, (err/* , tpl_val */) => {
+            if (err) {
+                return next(err);
             }
-        }
-    };
-}
 
-function ifUnauthenticated(authenticated, description) {
-    if (!authenticated) {
-        var err = new Error(description);
-        err.http_status = 403;
-        throw err;
-    }
-}
+            res.status(204);
 
-function ifInvalidContentType(req, description) {
-    if (!req.is('application/json')) {
-        throw new Error(description);
-    }
-}
+            const method = req.query.callback ? 'jsonp' : 'json';
+            res[method]('');
+        });
+    }.bind(this);
+};
+
+NamedMapsAdminController.prototype.list = function () {
+    return function listTemplatesMiddleware (req, res, next) {
+        req.profiler.start('windshaft-cartodb.get_template_list');
+
+        const { user } = res.locals;
+
+        this.templateMaps.listTemplates(user, (err, templateIds) => {
+            if (err) {
+                return next(err);
+            }
+
+            res.status(200);
+
+            const method = req.query.callback ? 'jsonp' : 'json';
+            res[method]({ template_ids: templateIds });
+        });
+    }.bind(this);
+};