SharePoint App Model

How to publish a Workflow Definition in SharePoint using PowerShell

oday, while working on the PnP Provisioning Engine I had to write some code to publish a new XAML based Workflow Definition in SharePoint, as well as to create a Subscription between the workflow and a target list/library. To make it easier, I wrote a bunch of PowerShell scripting that leverages the Erwin’s PnP PowerShell […]

SPSSTHLM17 – Inside SharePoint Apps Security

Here you can find slides and demos of my session “Inside SharePoint Apps Security” at SharePoint Saturday Stockholm, 14 February 2015. I hope you enjoyed the session and hope to meet you again in the near future!

SharePoint App and “Invalid JWT token” exception

Let’s say you have a SharePoint App deployed on SharePoint Online, in Microsoft Office 365, and working since many months ago. Suddenly, it stops working and when you try to access it, you get back an exception like this: System.IdentityModel.Tokens.SecurityTokenException: Invalid JWT token. Could not resolve issuer token. That’s what happened to me today (I […]

Paolo Pialorsi