How # (sharp) is Your Katana (Ciprian Jichici)

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The Internet of Things is coming upon us bringing a whole range of fundamental changes in the way we imagine, understand, and write services. One of the major trends we’re wittnessing is the breakdown of monoliths, and Microsoft’s web stack is among the candidates. With the new .NET framework and standards like OWIN, the world of web development is changing significantly. We’re going to cover in this session some advanced scenarios involving ASP.NET MVC 5, WebAPI 2, OWIN, Katana (Microsoft’s implementation of OWIN), and, of course, Windows Azure (Windows Azure Active Directory to be more specific). And to make things more real, we’re going to demonstrate everything using a solution used by our team at HTSS-Genisoft in real-life production.

Technology

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How # (sharp) is your Katana?
Ciprian Jichici
General Manager, Genisoft
Chief Architect, High-Tech Systems & Software
Microsoft Regional Director, Romania
MVP, Microsoft Azure
Roxana Goidaci
Chief Architect, Genisoft

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Huge thanks to our sponsors & partners!

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We’re proud to be Platinum sponsors!

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A new world for web stacks
A real-world business scenario
#ening your Katana
Security, security, security
Agenda

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A NEW WORLD FOR WEB STACKS

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The Internet of Things is Here!

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OWIN
Open Web Interface for .NET

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OWIN
Func<IDictionary<string, object>, Task>
Func<IDictionary<string, object>, Task>;

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The Role of OWIN

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KATANA

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Traditional Japanese sword
Microsoft’s
implementation of OWIN
KATANA

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A REAL-WORLD BUSINESS SCENARIO

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The Sensiblu Mobile App
Datacenter
https://mobile.htss.ro/sensiblu

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Service Availability is Critical
Datacenter
https://mobile.htss.ro/sensiblu
Microsoft Azure
REST endpoint tester

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The Architecture

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DEMO
A “Simple” REST tester

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#ENING YOUR KATANA

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Portable – substitute components
Modular/Flexible – small, focused
components, giving great control over use
Lightweight/Performant/Scalable – break
the monolith, consume fewer resources,
scale better
The KATANA Project – High Level Goals

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Common wisdom says it has a direct
dependency on the complexity of the
solution
Intermezzo – About Software Scalability

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So…..
A piece of software that does absolutely
nothing will scale infinitely
- Scot Hanselman
Intermezzo – About Software Scalability

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IAppBuilder is the core concept
Enables the chaining of middleware
components
The KATANA Project

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The KATANA Project

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Use an Azure Worker Role
Use Web API for the management endpoint
Use a lightweight web stack based on OWIN /
KATANA
Use Windows Azure Active Directory for
authentication
Our Technical Approach

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DEMO
Bootstrapping KATANA in an
Azure Worker Role

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SECURITY, SECURITY, SECURITY

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Our problem:
The management endpoint cannot be called
by anyone
Secure, but how?

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KATANA makes it all “simple”:
1. Register your service with WAAD
2. Call UseWindowsAzureActiveDirectoryBearerAuthentication
when bootstrapping
Believe it or not, that’s all you need to do 
Windows Azure Active Directory @ work

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But…
There a LOT going on behind the scenes…
Windows Azure Active Directory @ work

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We use the Bearer token approach
- No need to prove possession of a
cryptographic key
- Protect in storage and transport (that’s
why we need HTTPS)
The Rich Client Story

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DEMO
Implementing a secure Web API
endpoint with KATANA and WAAD

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We needed a small, flexible, and secure web stack
in an Azure worker role
We used OWIN / KATANA integrated with
Windows Azure Active Directory
Our solution demonstrates how the new modular
web stack of the future works in a real, cloud-
based scenario
In an nutshell…

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1. Premium community conference on Microsoft technologies itcampro@ itcamp14# How # (sharp) is your Katana? Ciprian Jichici General Manager, Genisoft Chief Architect, High-Tech Systems & Software Microsoft Regional Director, Romania MVP, Microsoft Azure Roxana Goidaci Chief Architect, Genisoft

2. Premium community conference on Microsoft technologies itcampro@ itcamp14# Huge thanks to our sponsors & partners!

3. Premium community conference on Microsoft technologies itcampro@ itcamp14# We’re proud to be Platinum sponsors!

4. Premium community conference on Microsoft technologies itcampro@ itcamp14# A new world for web stacks A real-world business scenario #ening your Katana Security, security, security Agenda

5. Premium community conference on Microsoft technologies itcampro@ itcamp14# A NEW WORLD FOR WEB STACKS

6. Premium community conference on Microsoft technologies itcampro@ itcamp14# The Internet of Things is Here!

7. Premium community conference on Microsoft technologies itcampro@ itcamp14# OWIN Open Web Interface for .NET

8. Premium community conference on Microsoft technologies itcampro@ itcamp14# OWIN Func<IDictionary<string, object>, Task> Func<IDictionary<string, object>, Task>;

9. Premium community conference on Microsoft technologies itcampro@ itcamp14# The Role of OWIN

10. Premium community conference on Microsoft technologies itcampro@ itcamp14# KATANA

11. Premium community conference on Microsoft technologies itcampro@ itcamp14# Traditional Japanese sword Microsoft’s implementation of OWIN KATANA

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25. Premium community conference on Microsoft technologies itcampro@ itcamp14# SECURITY, SECURITY, SECURITY

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30. Premium community conference on Microsoft technologies itcampro@ itcamp14# DEMO Implementing a secure Web API endpoint with KATANA and WAAD

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