node-app-server

v1.0.2

Published

4 years ago

Generic server for Lingotek Apps

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carloscampos.galo

Node App Server

This server is a generic static file server for Lingotek Apps

Download

Include the following line in your package.json and then run npm install: "node-app-server": "[email protected]:lingotek/node-app-server.git",
Periodically run npm update to ensure you're on the latest version.
This will likely published so that all that's required is 'npm install node-app-server --save' in the future

Requirements

A directory named "public," the app server will statically serve all the content inside public
A file named auth_redirect.html that is published to the public directory with the following form, modify to meet your app specifications (the token parsing will likely change in the future)

#!html

<html>
  <head>
    <script>
    var auth_token, expiration, params;
    params = window.location.hash.split(/[=&]/);
    auth_token = params[1];
    expiration = params[3];
    var date = new Date(new Date().getTime() + (5*3600000));
    var cookiestring ="tm_management_auth_token=" + auth_token + ";expires=" + date.toGMTString() + ";Path=/;";
    document.cookie = cookiestring;
    window.location = "/tm-management/";
    </script>
  </head>
  <body></body>
</html>

A json file for your server config with the following form (typically named server-config.json):

#!json
{
  "root": "tm-management",  //server root, optional, defaults to '/'
  "app_id": "653cf7eb-b352-4fb8-a29c-1b129c31f0a1", //currently referred to internally as client id, each app needs one
  "auth_token_name":"tm_management_auth_token",  //the auth token for a specific app should have a name unique to that app
  "app_url_key":"tm_management_url",    //the zookeeper key for the app url
  "app_port_key":"tm_management_port",  //the zookeeper key for the app port
  "zookeeper_properties": [ 
    {"name": "sentinel_url", "zk_path": "/lingopoint/sentinel/url", "default": "https://sso.lingotek.com"},
    {"name": "yodel_url", "zk_path": "/lingopoint/yodel/url", "default": "http://10.0.11.33:11010"},
    {"name": "tm_management_port", "zk_path": "/lingopoint/dashboard/port", "default": 3011},
    {"name": "tm_management_url", "zk_path": "/lingopoint/dashboard/url", "default": "http://10.0.11.33:3011"}
  ]
}

Setup

Require 'node-app-server' in your server.js
Require your server-config.json and pass it into the app server
Notice the AppServer provides an emitter that fires when zookeeper has loaded. This is useful for writing environment specific information to your frontend app

#!javascript

var serverConfig = require('./server-config.json');
var AppServer = require('./node_modules/node-app-server/app-server.js');
var fs = require('fs');
var appServer = new AppServer(serverConfig);
appServer.emitter.on('zookeeper_loaded', function(env) {
  fs.writeFile('./public/environment.js', `window.ltk_environment = {sso_url: '${env.sentinel_url}'};`, function(){});
});

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Node App Server

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