mirror of
https://github.com/Hopiu/webapi-eca.git
synced 2026-03-16 22:10:31 +00:00
373 lines
9.3 KiB
JavaScript
373 lines
9.3 KiB
JavaScript
// Generated by CoffeeScript 1.6.3
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/*
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Request Handler
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============
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> TODO Add documentation
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*/
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(function() {
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var crypto, db, exports, fAdminCommands, fs, getHandlerFileAsString, getHandlerPath, log, mm, mustache, objAdminCmds, objUserCmds, onAdminCommand, path, qs, renderPage, sendLoginOrPage,
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_this = this;
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log = require('./logging');
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db = require('./db_interface');
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mm = require('./module_manager');
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fs = require('fs');
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path = require('path');
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qs = require('querystring');
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mustache = require('mustache');
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crypto = require('crypto-js');
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objAdminCmds = {
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'loadrules': mm.loadRulesFromFS,
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'loadaction': mm.loadActionModuleFromFS,
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'loadactions': mm.loadActionModulesFromFS,
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'loadevent': mm.loadEventModuleFromFS,
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'loadevents': mm.loadEventModulesFromFS
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};
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objUserCmds = {
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'store_action': mm.storeActionModule,
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'store_event': mm.storeEventModule,
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'store_rule': mm.storeRule
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};
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exports = module.exports = function(args) {
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var user, users, _i, _len;
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args = args != null ? args : {};
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log(args);
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db(args);
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mm(args);
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mm.addDBLink(db);
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users = JSON.parse(fs.readFileSync(path.resolve(__dirname, '..', 'config', 'users.json')));
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for (_i = 0, _len = users.length; _i < _len; _i++) {
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user = users[_i];
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db.storeUser(user);
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}
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return module.exports;
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};
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/*
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This allows the parent to add handlers. The event handler will receive
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the events that were received. The shutdown function will be called if the
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admin command shutdown is issued.
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@public addHandlers( *fShutdown* )
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@param {function} fShutdown
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*/
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exports.addHandlers = function(fShutdown) {
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return objAdminCmds.shutdown = fShutdown;
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};
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/*
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Handles possible events that were posted to this server and pushes them into the
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event queue.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleEvent( *req, resp* )
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*/
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exports.handleEvent = function(req, resp) {
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var body;
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body = '';
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req.on('data', function(data) {
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return body += data;
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});
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return req.on('end', function() {
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var obj;
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obj = qs.parse(body);
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if (obj && obj.event && obj.eventid) {
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resp.send('Thank you for the event: ' + obj.event + ' (' + obj.eventid + ')!');
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return db.pushEvent(obj);
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} else {
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resp.writeHead(400, {
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"Content-Type": "text/plain"
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});
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return resp.send('Your event was missing important parameters!');
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}
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});
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};
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/*
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleLogin( *req, resp* )
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*/
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exports.handleLogin = function(req, resp) {
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var body;
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body = '';
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req.on('data', function(data) {
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return body += data;
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});
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return req.on('end', function() {
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var obj;
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if (!req.session || !req.session.user) {
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obj = qs.parse(body);
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return db.loginUser(obj.username, obj.password, function(err, usr) {
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if (err) {
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log.print('RH', ("AUTH-UH-OH (" + obj.username + "): ") + err.message);
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} else {
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req.session.user = usr;
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}
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if (req.session.user) {
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return resp.send('OK!');
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} else {
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return resp.send(401, 'NO!');
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}
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});
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} else {
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return resp.send('Welcome ' + req.session.user.name + '!');
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}
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});
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};
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/*
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A post request retrieved on this handler causes the user object to be
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purged from the session, thus the user will be logged out.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleLogout( *req, resp* )
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*/
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exports.handleLogout = function(req, resp) {
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if (req.session) {
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req.session.user = null;
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return resp.send('Bye!');
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}
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};
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/*
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Resolves the path to a handler webpage.
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@private getHandlerPath( *name* )
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@param {String} name
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*/
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getHandlerPath = function(name) {
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return path.resolve(__dirname, '..', 'webpages', 'handlers', name + '.html');
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};
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/*
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Resolves the path to a handler webpage and returns it as a string.
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@private getHandlerFileAsString( *name* )
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@param {String} name
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*/
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getHandlerFileAsString = function(name) {
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return fs.readFileSync(getHandlerPath(name), 'utf8');
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};
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/*
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Renders a page depending on the user session and returns it.
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@private renderPage( *name, sess* )
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@param {String} name
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@param {Object} sess
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*/
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renderPage = function(name, sess) {
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var menubar, template, view;
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template = getHandlerFileAsString(name);
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menubar = getHandlerFileAsString('menubar');
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view = {
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user: sess.user,
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div_menubar: menubar
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};
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return mustache.render(template, view);
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};
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/*
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Sends the desired page or the login to the user.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public renderPageOrLogin( *req, resp, pagename* )
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@param {String} pagename
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*/
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sendLoginOrPage = function(pagename, req, resp) {
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if (req.session && req.session.user) {
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return resp.send(renderPage(pagename, req.session));
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} else {
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return resp.sendfile(getHandlerPath('login'));
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}
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};
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/*
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Handles the user command requests.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleUser( *req, resp* )
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*/
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exports.handleUserCommand = function(req, resp) {
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var body;
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if (!req.session || !req.session.user) {
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return resp.send(401, 'Login first!');
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} else {
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body = '';
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req.on('data', function(data) {
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return body += data;
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});
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return req.on('end', function() {
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var obj;
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obj = qs.parse(body);
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if (objUserCmds[obj.command] === 'function') {
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resp.send('Command accepted!');
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return objUserCmds[obj.command](req.session.user, obj);
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} else {
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return resp.send(404, 'Command unknown!');
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}
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});
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}
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};
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/*
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Present the module forge to the user.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleForgeModules( *req, resp* )
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*/
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exports.handleForgeModules = function(req, resp) {
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return sendLoginOrPage('forge_modules', req, resp);
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};
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/*
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Present the event invoke page to the user.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleInvokeEvent( *req, resp* )
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*/
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exports.handleInvokeEvent = function(req, resp) {
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return sendLoginOrPage('push_event', req, resp);
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};
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/*
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Handles the admin command requests.
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*Requires
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the [request](http://nodejs.org/api/http.html#http_class_http_clientrequest)
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and [response](http://nodejs.org/api/http.html#http_class_http_serverresponse)
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objects.*
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@public handleAdmin( *req, resp* )
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*/
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exports.handleAdmin = function(req, resp) {
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if (req.session && req.session.user) {
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if (req.session.user.isAdmin === "true") {
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return resp.send(renderPage('welcome', req.session));
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} else {
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return resp.send(renderPage('unauthorized', req.session));
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}
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} else {
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return resp.sendfile(getHandlerPath('login'));
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}
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};
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onAdminCommand = function(req, response) {
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var q;
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q = req.query;
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log.print('RH', 'Received admin request: ' + q);
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if (q.cmd) {
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return fAdminCommands(q, answerHandler(response));
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} else {
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return answerError(response, 'I\'m not sure about what you want from me...');
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}
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};
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/*
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admin commands handler receives all command arguments and an answerHandler
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object that eases response handling to the HTTP request issuer.
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@private fAdminCommands( *args, answHandler* )
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*/
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fAdminCommands = function(args, answHandler) {
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var fAnsw, _name;
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if (args && args.cmd) {
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if (typeof adminCmds[_name = args.cmd] === "function") {
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adminCmds[_name](args, answHandler);
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}
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} else {
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log.print('RH', 'No command in request');
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}
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/*
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The fAnsw function receives an answerHandler object as an argument when called
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and returns an anonymous function
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*/
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fAnsw = function(ah) {
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/*
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The anonymous function checks whether the answerHandler was already used to
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issue an answer, if no answer was provided we answer with an error message
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*/
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return function() {
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if (!ah.isAnswered()) {
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return ah.answerError('Not handled...');
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}
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};
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};
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/*
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Delayed function call of the anonymous function that checks the answer handler
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*/
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return setTimeout(fAnsw(answHandler), 2000);
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};
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}).call(this);
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