Microsoft Office 365, ADFS and signing/encrypting certificates renewal

Let’s say that you have an Office 365 tenant, and that you also deployed a set of Federated Identities with Windows Active Directory Federation Services (ADFS). It could happen that you log into the Admin portal of your Office 365 tenant and you see the following polite message. Let me repeat the text to help […]

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Slide, demos and links of my webinar “Consuming Office 365 REST API” for ESPC15

Here you can find the demos (on OfficeDev/PnP project) about how to consume the Office 365 APIs. The slides and the recorded video will be available soon on the European SharePoint & Office 365 Community. Moreover, as promised, here you can find the list of libraries (released and beta) available to consume Azure AD: https://msdn.microsoft.com/en-us/library/azure/dn151135.aspx. […]

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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!

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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 […]

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Updating declarative custom actions for SharePoint 2013 Workflows

Let’s say you have created a declarative custom action for a SharePoint 2013 workflow, like I have illustrated in this post. Now, let’s say you want to update it, changing the .actions4 file or updating its inner workings in the .xaml file. When you upload the .WSP sandboxed solution, which includes the custom action, and […]

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Publishing SharePoint apps that leverage SharePoint Workflow Services

Just a quick reference for those of you, who are developing SharePoint apps that leverage the SharePoint Workflow Services. If you are using Microsoft Visual Studio 2013, you can see the app publishing process has been improved and simplified. You simply right-click on the SharePoint app project, you select “Publish …”, and you are prompted […]

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How to provision a Sandboxed Web Part through a custom module feature

As you probably know, you can use a module feature to provision a file to a SharePoint site. Through this feature you can provision images, Web Parts, master pages, pages, or whatever you like. In case you provision Web Part Pages, you can also provide some information and configuration elements, within the module element, in […]

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