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Kirk Evans Blog
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Azure AD Application Proxy and SharePoint 2013
This post will show how to configure Azure Active Directory Application Proxy for an on-premises SharePoint 2013 installation using Kerberos constrained delegation. Background I see this question in emails and online forums alike almost weekly: “We need users to access our on-premises SharePoint farm...
13 Apr 2015
A Sample SharePoint App That Calls A Custom Web API
This post will show how to create a Web API that calls other services on behalf of the current user. Background This post is part of a series on building a SharePoint app that communicate with services protected by Azure AD. Part 1 - An Architecture for SharePoint Apps That Call Other Services Part 2...
25 Mar 2015
Call O365 Exchange Online API from a SharePoint App
This post will show how to call an O365 Exchange Online API from a SharePoint provider-hosted app. The code for this post is available at https://github.com/kaevans/spapp-exchange . Background This post is part of a series on building a SharePoint app that communicate with services protected...
23 Mar 2015
Using OpenID Connect with SharePoint Apps
This post will show how to authenticate a user using OpenID Connect in a SharePoint provider hosted app without prompting the user for additional credentials. Background This post is part of a series on building a SharePoint app that communicate with services protected by Azure AD. Part 1 - An...
23 Mar 2015
An Architecture for SharePoint Apps That Call Other Services
This post will show an architecture for a SharePoint provider hosted app that calls other services such as the O365 API for Exchange, Azure AD Graph API, PowerBI API, or a custom Web API. Background This post is part of a series on building a SharePoint app that communicate with services protected by...
20 Mar 2015
Install a New Active Directory forest on an Azure Virtual Network
This post will show how to install a new Active Directory forest on an Azure Virtual Network. We will use this domain controller and virtual network in subsequent posts. DISCLAIMER: This post does not contain definitive guidance on the correct way to create a domain controller in Azure. For...
21 Jan 2015
Making SharePoint Apps Scale with Azure Redis Cache
This post will show how to create custom classes for a SharePoint 2013 app that enable the use of Azure Redis Cache. Background Often times there are web application design constraints that require use of session state. From Scott Guthrie’s book: It's often not practical in a real-world...
28 Sep 2014
High Trust SharePoint Apps on Non-Microsoft Platforms
This post will discuss some options for building high-trust apps for SharePoint when the app is not running on a Microsoft platform. Background Let me start this post by saying I don’t have code to announce or a solution to provide. I am merely pointing out that building both low-trust and...
14 Jul 2014
Call Multiple Services With One Login Prompt Using ADAL
This blog will show how to create a client application using Active Directory Authentication Library (ADAL) that authenticates to multiple Web API applications in Azure Active Directory while only prompting the user a single time for credentials. Background I wrote a previous post that showed how you...
23 Apr 2014
Calling O365 APIs from your Web API on behalf of a user
This post will show how to create a custom Web API that calls the Office 365 APIs on behalf of a user. Background How about that title?!? That’s pretty geeky. I’ve been working with a customer who is interested in the new Office 365 APIs that were announced at SharePoint Conference. They...
15 Apr 2014
Call O365 using CSOM with a Console Application
This post shows how to use the SharePointOnlineCredentials class to authenticate to O365 from a console application. Background I write a ton of short samples for customers and co-workers. I’ve written this one quite a few times but never seemed to add it to my personal source code control repository...
23 Feb 2014
Setting a SharePoint Person or Group Field Value with CSOM
I recently was asked a question about setting a Person or Group field value in a list using CSOM. This post shows how to programmatically set a user or group field value using CSOM. Background A developer wants to programmatically add users as members to a Community site in SharePoint 2013. ...
30 Nov 2013
What Every Developer Needs to Know About SharePoint Apps, CSOM, and Anonymous Publishing Sites
This post will show what works and what doesn’t with CSOM and REST in a SharePoint 2013 publishing site that permits anonymous access. More importantly, we show what you should and should not do… and why. Overview I frequently see questions about using SharePoint apps with “public-facing web sites...
24 Oct 2013
Introducing SharePointContext for Provider-Hosted SharePoint Apps!
One of the more frustrating parts of building provider-hosted apps for SharePoint 2013 was that you needed to choose ahead of time if you were targeting a low-trust app or a high-trust app and use the appropriate methods in TokenHelper.cs. Not only that, but figuring out how to use the app-only...
24 Sep 2013
ALM for SharePoint Apps: Implementing Continuous Integration
This post shows how to implement continuous integration for a provider-hosted app in SharePoint 2013. Overview This is Part 2 of a series. Part 1 - ALM for SharePoint Apps: Configuring a TFS Build Server with Team Foundation Service Part 2 - ALM for SharePoint Apps: Implementing Continuous Integration...
15 Aug 2013
Access Services 2013 Setup for an On-Premises Installation
This blog post will show you how to configure Access Services 2013 to use in your own environment. Overview Back in August 2012, when SharePoint 2013 was just in Beta 2 phase and not yet released, I wrote a blog post on Configuring Access Services 2013 on Premises . That blog post was accurate...
14 Jul 2013
Build Session: Understanding Authentication and Permissions with Apps for SharePoint and Office
I am privileged to present at the Build 2013 conference Understanding Authentication and Permissions with Apps for SharePoint and Office . This session focuses on helping you to understand what an app principal is, how they are registered, and how OAuth is used with Office 365 to provide authentication...
26 Jun 2013
My Deck from SharePoint and Windows PowerShell
I am presenting tonight to the Arizona PowerShell User Group on “SharePoint and Windows PowerShell”. Here is the agenda for the talk: Adding SharePoint snap-in to ISE SharePoint Nouns and Verbs SharePoint –isms Site structure creation Shell administrators Service...
5 Jun 2013
Fixing People Picker for SAML Claims Users Using LDAP
One of the things that frustrates customers when implementing claims authentication in SharePoint is how the people picker works for SAML claims users. If you try to add a SAML claims user to a group in SharePoint, anything you type is considered valid. For instance, I don’t have a user named “THIS...
26 May 2013
SharePoint 2013 User Profile Sync for Claims Users
I have been working with claims authentication quite a bit lately, and something that can be frustrating when using claims authentication for Forms Based Authentication (FBA) or SAML claims is that when you log in you see the claims identifier instead of the user’s name. As an example, I configured...
23 May 2013
Clarifying Guidance on SharePoint Security Groups versus Active Directory Domain Services Groups
I received the following question on the SPYam group on Yammer, and decided to share the information with the broader audience via my blog. For SharePoint security Microsoft always recommended to use Active directory group inside SharePoint group. But this guidance now changed Microsoft now recommend...
6 May 2013
How to Allow Only Users Who Have a Community Badge to Your SharePoint 2013 Site
This post will show how you can secure a web site based on if a user has been given a badge in a SharePoint 2013 community site. Badges and Reputation in SharePoint 2013 Community Sites SharePoint 2013 Community Sites provide a new set of features to implement game theory, or gamification. One...
22 Apr 2013
How I Became a SharePoint 2010 MCM
I recently attained the Microsoft Certified Master for SharePoint 2010 certification. I have long wanted to write about the experience, but honestly didn’t know how to begin. After quite a few conversations with friends and colleagues, I thought I would share some insight about the process...
17 Apr 2013
Inside SharePoint 2013 OAuth Context Tokens
This post will show you how to inspect the SharePoint 2013 context token to better understand how OAuth is used in SharePoint 2013 apps. First, Some Context In order to use a context token with SharePoint 2013 apps, you will need to create a provider-hosted app that uses a client ID and a client secret...
5 Apr 2013
SharePoint 2013 App Only Policy Made Easy
This post demonstrates the app only policy for SharePoint 2013 app development and show how to create SharePoint 2013 apps using OAuth tokens with either a trust to ACS as well as S2S. I show how to request the AllowAppOnlyPolicy permission and how to execute actions that the current user is not...
23 Feb 2013
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