2019 blazor client side authorization and data access

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okay, let's dive into blazor webassembly (client-side blazor) authorization and data access, focusing on the concepts relevant to a 2019-era implementation, while also incorporating more modern practices for better understanding and compatibility. keep in mind that blazor webassembly was officially released in may 2020, so 2019 was pre-release and concepts have evolved.

**important considerations & updates:**

* **.net core 3.1 vs. .net 5+:** blazor webassembly initially launched with .net core 3.1. however, it's crucial to understand the significant improvements and simpler patterns offered by .net 5, .net 6, .net 7, and .net 8. while i'll outline the legacy approaches, i'll also emphasize the modern, more recommended ways.
* **httpclient as standard:** data fetching relies heavily on the `httpclient` which is the standard practice and i will be using it in the examples.
* **authenticationstateprovider:** the `authenticationstateprovider` service is the cornerstone of blazor authentication. it's responsible for providing the current authentication state to the application.
* **authorizationview:** the `authorizationview` component provides a declarative way to show or hide ui based on the user's authorization status.
* **authorizeattribute:** the `[authorize]` attribute, while used in some examples, is generally less applicable directly on methods in client-side blazor. authorization is mostly ui-driven or enforced during api requests.
* **role-based authorization:** we'll cover how to work with roles (if your backend api provides them).
* **claim-based authorization:** how to authorize users based on specific claims present in their jwt token.
* **spa security best practices:** reinforcing the importance of securing your apis and treating the client-side as a public surface.

**tutorial structure**

1. **project setup:** creating a blazor webassembly project.
2. **authentication flow:** outlining the typical authentication workflow (implici ...

#Blazor #ClientSideAuthorization #cryptography
Blazor
client-side authorization
data access
Blazor WebAssembly
security
authentication
role-based access
token management
API integration
identity management
user authentication
data protection
client-side security
permissions
Blazor components

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