feat: Basic Authentication extension. Fixes #31

- Added basic authentication header extension

VaraniumSharp.Tests/Extensions/HttpClientExtensionsTests.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Net.Http;
+using System.Text;
+using FluentAssertions;
+using NUnit.Framework;
+using VaraniumSharp.Extensions;
+
+namespace VaraniumSharp.Tests.Extensions
+{
+    public class HttpClientExtensionsTests
+    {
+        #region Public Methods
+
+        [Test]
+        public void SettingAuthenticationHeaderWorks()
+        {
+            // arrange
+            const string username = "testuser";
+            const string password = "testpass";
+            var authValue = $"Basic {Convert.ToBase64String(Encoding.Default.GetBytes($"{username}:{password}"))}";
+            var sut = new HttpClient();
+
+            // act
+            sut.SetBasicAuthHeader(username, password);
+
+            // assert
+            sut.DefaultRequestHeaders.GetValues("Authorization")
+                .Should().Contain(authValue);
+        }
+
+        #endregion
+    }
+}

VaraniumSharp.Tests/VaraniumSharp.Tests.csproj

@@ -49,6 +49,7 @@
     <Compile Include="Caching\MemoryCacheWrapperTests.cs" />
     <Compile Include="Configuration\ReconfigurableSettingBaseTests.cs" />
     <Compile Include="DependencyInjection\AutomaticContainerRegistrationTest.cs" />
+    <Compile Include="Extensions\HttpClientExtensionsTests.cs" />
     <Compile Include="Extensions\ObservableCollectionExtensionsTests.cs" />
     <Compile Include="Extensions\StringExtensionsTest.cs" />
     <Compile Include="Extensions\UrlBuilderExtensionsTests.cs" />

VaraniumSharp/Extensions/HttpClientExtensions.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace VaraniumSharp.Extensions
+{
+    /// <summary>
+    /// Extension methods for <see cref="HttpClient"/>
+    /// </summary>
+    public static class HttpClientExtensions
+    {
+        #region Public Methods
+
+        /// <summary>
+        /// Set Basic Authentication header
+        /// </summary>
+        /// <param name="client">HttpClient for which the header should be set</param>
+        /// <param name="username">Username for authentication</param>
+        /// <param name="password">Password for authentication</param>
+        /// <returns>HttpClient</returns>
+        public static HttpClient SetBasicAuthHeader(this HttpClient client, string username, string password)
+        {
+            var credentials = Convert.ToBase64String(Encoding.Default.GetBytes($"{username}:{password}"));
+            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", credentials);
+            return client;
+        }
+
+        #endregion
+    }
+}

VaraniumSharp/VaraniumSharp.csproj

@@ -56,6 +56,7 @@
     <Compile Include="Configuration\ReconfigurableSettingBase.cs" />
     <Compile Include="DependencyInjection\AutomaticContainerRegistration.cs" />
     <Compile Include="Enumerations\ServiceReuse.cs" />
+    <Compile Include="Extensions\HttpClientExtensions.cs" />
     <Compile Include="Extensions\ObservableCollectionExtensions.cs" />
     <Compile Include="Extensions\StringExtensions.cs" />
     <Compile Include="Extensions\UrlBuilderExtensions.cs" />