Things that didn't fit elsewhere…
We have been migrating couple of projects to ASP.NET Core 2.0 recently. Amongst the major changes in ASP.NET Core 2.0, probably the biggest change has been done in the Authentication. I have written an article about cookie size in ASP.NET Core which explains the basic issue with too many claims in the identity. ASP.NET Core 2.0 OIDC addresses this by removing some of the token values from the identity on the background.
Continue reading “Missing claims in ASP.NET Core 2.0 OpenID Connect”
Sometimes, when browsing Microsoft’s sites, you can run into some weird errors – like Bad Request – Request too long or sometimes even Connection refused. These errors are mostly caused by cookies. In this article, I am going to show you the most common causes and also tips on how to avoid these issues on your sites.
Continue reading “The dangers of too many cookies on a website”
Based on my previous post about B2B guest access to application, I made another sample called MyGroups. I think it demonstrates practical usage of both B2B guest access, Office 365 Groups and Microsoft Graph.
MyGroups can be used to display all Office 365 Groups to which the user has been added and additionally list direct links to the group’s SharePoint site, which is something we have been in need of internally within our company.
In the HomeController, you can find the call which is being made to Microsoft Graph’s groups endpoint to get the group’s site information – it is being made in parallel to make the request shorter for the user – generally, on average, it took about 1 second to get the site details of each group.
If you would like to use the code, just go ahead and grab the source from GitHub!
Since Microsoft’s Azure AD got the Business-to-Business (B2B) functionality, it has enabled a broad variety of new scenarios to be developed. It for example makes sharing various resources and information within applications much more easier. Today we are going to investigate the way to build an application which is not only a multi-tenant one, but also supports the user to be member of multiple directories.
Continue reading “Creating a multi-tenant application which supports B2B users”
When you attempt to deploy an ASP.NET Core project to App Service on Linux, you may run into an error during the build process – Object reference not set to an instance of an object. When you try to deploy the project to App Service on Windows, everything works, so where is the issue?
Continue reading “Deploying ASP.NET Core to App Service on Linux”
I am sure you have heard of App Service’s feature called Local Cache, which allows to cache all the files locally on the instance instead of pulling them from the shared storage which can lower the application’s load times – especially when using just-in-time compiled code like PHP. This great feature however, is only available currently on App Service on Windows, and in this article, we are going to explore the options of having something similar on App Service on Linux powered by Docker.
During Build 2017, Microsoft announced bunch of new features for App Service on Linux. One of those features announced was support for SSH support directly into the web worker instance. Based on my previous article about building a custom image for ASL, I have updated the HHVM image both on GitHub and Docker hub to have SSH support as well.
Continue reading “App Service on Linux – HHVM image updated with support for SSH”
In this article we are going to take a look at options on how to deploy a standard PHP application to Azure App Service. This article is split into two parts – classical App Service running Windows and the new Docker-based App Service on Linux which recently got some really nice improvements towards PHP support.
Continue reading “Deploying PHP web applications to Azure App Service”
When I was writing a web application with ASP.NET Core with Azure AD and Microsoft Graph, I ran into a very interesting issue – the identity cookies would get really large (8 kB or more in chunked authentication cookies) and therefore all the requests to the site would contain this much data in headers. This was bearable because it just “worked” but then I tried accessing the site from Safari on a MacBook or an iPhone and the server would return errors when trying to rebuild the user’s identity.
Continue reading “Cookie size and cookie authentication in ASP.NET Core”
Whenever you are collecting a date with Application Insights, it might be handy to have the ability to filter the telemetry based on currently signed in user. The documentation is quite confusing about it, so I decided to write an article and clear it up.
Continue reading “Tracking currently signed-in user in Application Insights”
