All the ways of retrieving user ID, tenant ID, UPN and environment ID in Power Apps
Whether you’re trying to handle authentication or doing something else, you might need to obtain the current tenant ID or user’s object ID in Entra. There ar...
Posts by Year
2025
PCF Dependent Libraries Preview
Few days ago, Microsoft has silently published docs about a new feature in Power Apps component framework called Dependent Libraries. We are going to look un...
Speeding up PCF build
At NETWORG we have been extensively using Power Apps component framework which allows us to build custom UI components for Power Apps. Our largest repo with ...
2024
Running EasyAuth in Docker revisited
Some time ago (1, 2) I wrote about App Service’s Easy Auth - which is used to easily enable Authnetication and Authorization for App Service, Azure Functions...
Optimizing Azure Functions costs
Recently, I have been focused on optimizing costs of our company’s Azure costs. Besides consolidating some App Services and creating reservations I noticed s...
Searching for a lost MacBook
This is going to be a very unusual post for this blog, but I found this a very interesting topic which no one has written about yet. And I also believe it ma...
Gaming in the cloud
I have been a gamer since my childhood. Watching my cousins play Half-Life or Return to Castle Wolfenstein, through playing GTA: Vice City, Counter-Strike, e...
2023
Hosting PHP in Azure Container Apps
This is a continuation of my endeavor to host a few of my side projects. In the previous post from 2018, I explained how I moved from a local webhost to an A...
Configuring Cloudflare One to access multiple customer environments
In our company, we have been heavily utilising SoftEther VPN which is a truly amazing, and unique project. Recently, we started shifting towards a more moder...
You can’t do that because “… we said so” - Part 1 Permalink
This is a long overdue article (probably a series) about how corporate IT security is often forcing “security through obscurity” and how it is not helping an...
Dealing with Outlook.com spam part 2
Continuing my fight against spam in Outlook.com, I decided to employ Azure OpenAI to deal with false-positives (or legit) in the junk folder. We are going to...
Dealing with Outlook.com spam
For the past couple of months, I have been really frustrated by the amount of spam appearing in my Inbox folder in my personal e-mail provided by Outlook.com...
Entra ID user and group provisioning with Bitwarden
We have been using Bitwarden in our company as a primary password manager. Previously, we were using their directory connector but we decided to switch to SC...
2022
Power FX in JavaScript
It’s been a while since Microsoft announced and open-sourced its low-code engine called Power FX. The implementation, however, is only available in .NET, whi...
2021
Cloudflare Workers and Azure AD
Hey Friends! I have been gone for longer than I should, but I am back! This time, with a really cool sample for using Cloudflare’s serverless Workers platfor...
OpenAPI and Azure Functions Out-of-Process
Previously, I blogged about OpenAPI and Azure Functions showcasing the way to generate a Swagger definition from Functions (before official extension was ava...
Azure Functions out-of-process and authentication with Azure AD
Last year I managed to get Microsoft.Identity.Web running with Azure Functions. During the time, Microsoft released a new model for hosting Functions on .NET...
2020
Microsoft.Identity.Web and Azure Functions
I recently run into an interesting situation with authentication. Since serverless and Azure Functions are gaining more and more traction, I wanted to see if...
Setting SharePoint item-level permissions to Azure AD Group with API Permalink
If you want to programmatically set permissions to documents in SharePoint - it is quite simple, just use Microsoft Graph. If you want to set those permissio...
Cross-tenant publisher verification
Starting in November 2020, Microsoft started limiting applications to which end-users can consent to. The setup is fairly simple if you use a single tenant f...
Using Bing for Work in Edge alongside Google
Microsoft has really invested a lot into both Edge and Microsoft Search. However Bing is still behind a lot, especially in our Czech waters. On the other han...
Working on Surface Pro X
About a month ago, I refreshed my device - Dell XPS13 with Surface Pro X. The major difference between these two for me was ARM64 processor architecture, whi...
Using Logic Apps to build simple APIs
Logic Apps are Microsoft’s solution for integrations and also a codeless development platform (declarative). If you heard of Microsoft Power Automate (former...
Generating OpenAPI / Swagger definition from Azure Functions
When you build a regular web app in ASP.NET Core, you can easily hook bunch of tools to it in order to be able to generate OpenAPI definitions. With Azure Fu...
Running EasyAuth locally
Azure App Service has a cool feature which enables your web apps to leverage authentication and authorization without any code changes. It is actually very p...
Staticman setup in App Service
Few months ago, I wrote a post about moving my blog away from WordPress to GitHub pages. While the general migration to markdown has been quite smooth, setti...
Running PHP in Azure Functions
Hi friends! Happy April Fools’ Day! Recently, Microsoft added a new feature to Azure Functions called Custom Handlers. It basically allows you to write Azure...
Microsoft.Identity.Web Sneak Peek
About a year ago, I posted about Microsoft Authentication Graph Helpers. While it set an example on how to standardize identity setup in ASP.NET Core project...
Azure Functions and Azure Files
Lately, I have been playing with Azure Functions. Since the release of v3 runtime, I noticed a really cool thing which signifies a nice progress in overall A...
Pardon the mess…
Hi everyone! Long time no hear!
2019
Fixing WinSCP editor error
I have been a heavy user of WinSCP for quite a few years. It is a great tool whether you need to connect to FTP, SFTP or even WebDAV servers. WinSCP offers a...
Protip: Transfer Chrome cookies to Microsoft Edge
As you might have heard, Microsoft has released a preview version of Microsoft Edge powered by Chromium. If you were using Chrome before and want to make a s...
Dynamic Cache in App Service
A while ago, while I was browsing Kudu's setting documentation I stumbled upon a setting that caught my eye - Dynamic Cache. I have never heard or read about...
Sending e-mail from Web Apps
Most of web application oriented hosters (like Azure App Service) or application hosted in Docker (in Azure, App Service on Linux), or serverless application...
Exploring App Service Authentication on Linux
A while ago, it has been announced that App Service on Linux has gained the ability to make use of Authentication / Authorization as well. Originally, I want...
2018
A Christmas Present… for you!
About a week ago I announced the Microsoft Authentication Graph Helpers. Since then, I decided to publish a small, but a useful enhancement to it - AzureAdAu...
Microsoft Authentication Graph Helpers
I initially wanted to publish this code in summer already, but in the end, I didn't have enough time to spare to do so. Do you find yourself implementing Mic...
Upgrading to WebJobs SDK 3.0
With the recent release of Azure Functions Runtime 2.0, WebJobs SDK 3.0 got released alongside. WebJobs SDK is the backbone of Azure Functions, however it ca...
UseHttpsRedirection on Azure App Service
Recently, when deploying a project, we have hit an interesting issue - when we deployed an ASP.NET Core 2.1 application with HTTPS redirection middleware wit...
Beware of SameSite cookie policy in ASP.NET Core and upcoming iOS 12
I have recently stumbled across a bug in iOS 12 preview which sort of breaks existing sites which make use of OpenID Connect middleware in ASP.NET Core 2.1.
Working with certificates in Azure App Service
Recently, we had a project which required us to connect to a MySQL server from .NET Core with a client certificate authentication. While this seemed fairly t...
Hosting small sites in Microsoft Azure
I have been running this blog and bunch of other projects on a local shared hosting called WEDOS for something over 3 years. They offer some great services f...
Passing state through authentication in ASP.NET Core
When authenticating a user, you might want to persist the state through the authentication request - for example whether the user is authenticating for some ...
Including front-end libraries in ASP.NET Core projects
I have been recently working on an internal project which allows people to authenticate into a Wi-Fi with Azure AD and other various methods through a captiv...
Remotely debugging PHP on App Service on Linux
I previously wrote about the possibility of remote debugging PHP apps in Microsoft Azure using ngrok. This solution wasn't much secure and required the use o...
Using ADAL for Node.js with Passport.js
I haven't touch Node.js much lately, however, back while I have been working with it, I was always curious, how to leverage both Passport.js with Azure AD an...
Missing claims in ASP.NET Core 2.0 OpenID Connect
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 d...
2017
The dangers of too many cookies on a website
Sometimes, when browsing Microsoft’s sites, you can run into some weird errors - like Bad Request - Request too long or sometimes even Connection refused. Th...
MyGroups: B2B application sample!
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 g...
Creating a multi-tenant application which supports B2B users
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 ...
Deploying ASP.NET Core to App Service on Linux
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 se...
Local Cache with 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 fro...
App Service on Linux – HHVM image updated with support for SSH
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 i...
Deploying PHP web applications to Azure App Service
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...
Cookie size and cookie authentication in ASP.NET Core
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 ge...
Tracking currently signed-in user in Application Insights
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...
Forcing reauthentication with Azure AD
While working on a project, I stumbled upon an interesting issue - how to force the user to reauthenticate in an application - for example when accessin...
To single sign out or not to?
When building a Line Of Business (LOB) application, you are usually better off with implementing the customer's current Identity Provider (IdP) which could b...
Deploying ASP.NET Core along with a WebJob to App Service
Recently I have been working on a project in ASP.NET Core and DotVVM accompanied by a WebJob using Azure WebJob SDK. The idea behind publishing was that...
2016
Building custom Docker images for use in App Service on Linux
If you have been watching Connect(); or if you read the Azure blog, you should be aware by now, that Azure has recently introduced a pretty cool service call...
Configuring curl.cainfo in PHP on Azure App Service
cURL is one of the most common ways to make HTTP requests from PHP code. When you make regular http:// calls everything is alright, but when you decide to go...
Speed up your application in Azure App Service
There are many different articles on the internet about how to make an application faster when hosting it on Azure. This has been a real pain point with big ...
Creating a build agent and definition for PHP in VSTS
When speaking of modern development nowadays, we can hear words like DevOps and as part of that, Continuous Integration (if you never heard about i...
Is callback hell still a thing in ES6 with TypeScript?
Whenever I am talking to someone about JavaScript, I mostly end up hearing "callback hell" at least once during the conversation. Most of the people are unfo...
Session locking in PHP on Azure Web Apps
During the last couple of weeks, users started noticing certain issues with an application that I develop on Microsoft Azure using PHP and Azure Web Apps. In...
MVA: Mastering Node.js series
Recently, I discovered a series of 7 episodes about getting started with Node.js on Microsoft Virtual Academy! It goes through the basics and moves you deepe...
Designing web applications for geographical scale
I have been wandering around the web trying to find some more information about geographically scaling web applications with both web and database tier. With...
Remotely debugging PHP on Azure Web Apps with ngrok
One of the most pain points during PHP development is usually debugging for me. Quite frankly, I hate to run and debug PHP applications on my local machine, ...