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Sample Sql Authentication Provider implementation

This repository provides a sample implementation of SqlAuthenticationProvider that can be used for ActiveDirectoryInteractive authentication mode with System.Data.SqlClient as well as Microsoft.Data.SqlClient (with namespace toggle).

The CustomAuthProvider implements SqlAuthenticationProvider and the authentication is performed using MSAL (Microsoft.Identity.Client).

Configure the sample

Provide details in the sample in the Program.cs file:

  • appClientId: Application Client ID of First Party App to be used for authentication (by default SqlClient's client id is used)
  • appName: Name of client application
  • Connection string details
    • DataSource: Target Azure SQL Server endpoint
    • InitialCatalog: Name of Azure Database instance
    • UserID: Username for silent authentication (applicable when cache is persisted)

How to build the sample

  • Using Visual Studio, Build the solution.
  • Using Dotnet CLI, run dotnet build

How to run the sample

  • Run the exe: bin\net48\SampleSqlAuthProvider.exe
  • Using Dotnet CLI, run dotnet run

Porting to Microsoft.Data.SqlClient

Microsoft.Data.SqlClient package is referenced in the sample, and to use that, comment out the using System.Data.SqlClient namespaces and uncomment using Microsoft.Data.SqlClient in below files:

  • Program.cs
  • CustomAuthProvider.cs