Running high trust apps / plugins with Sharepoint Foundation 2013

The User Profile service is not available on Sharepoint Foundation and therefore high trust apps are not supported.   However I found that after installing a high trust app it worked until restarting IIS, and after that it would generate authentication errors.  Re-uploading the app package to the app site fixed the authentication errors and allowed the app to run properly again.

I could not find an API to automate this re-upload process, so instead it can be done using a headless browser.

Here’s an example in casperjs (note that on Windows casperjs must be installed in a path without spaces):

var url = ''
var file = ''
var user = 'username'
var pass = 'password'

var casper = require('casper').create();

casper.setHttpAuth(user, pass);

casper.thenOpen(url, function() {
  this.waitForSelector('#idHomePageNewDocument-WPQ2', function() {
    this.echo("Found selector");

casper.thenClick('#idHomePageNewDocument-WPQ2', function() {
  this.echo("Clicked button");
  this.waitForSelector('.ms-dlgFrameContainer > iframe', function() {
    this.echo("Got the iframe");

casper.withFrame(1, function() {
  this.waitForSelector('#aspnetForm', function() {
    this.echo("Found form");
    this.fill('#aspnetForm', {
      'ctl00$PlaceHolderMain$ctl01$ctl04$InputFile': file,
    }, false);
    this.wait(3000, function() {'#ctl00<em>PlaceHolderMain</em>ctl00<em>RptControls</em>btnOK');
      this.echo("Clicked button");

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