Fixed: Calibre authentication with Basic auth

src/NzbDrone.Common.Test/Http/HttpClientFixture.cs

@@ -823,7 +823,7 @@ namespace NzbDrone.Common.Test.Http
         }
 
         [Test]
-        public void should_correctly_use_basic_auth()
+        public void should_correctly_use_basic_auth_with_basic_network_credential()
         {
             var request = new HttpRequest($"https://{_httpBinHost}/basic-auth/username/password");
             request.Credentials = new BasicNetworkCredential("username", "password");
@@ -833,6 +833,17 @@ namespace NzbDrone.Common.Test.Http
             response.StatusCode.Should().Be(HttpStatusCode.OK);
         }
 
+        [Test]
+        public void should_correctly_use_basic_auth_with_network_credential()
+        {
+            var request = new HttpRequest($"https://{_httpBinHost}/basic-auth/username/password");
+            request.Credentials = new NetworkCredential("username", "password");
+
+            var response = Subject.Execute(request);
+
+            response.StatusCode.Should().Be(HttpStatusCode.OK);
+        }
+
         [Test]
         public void should_correctly_use_digest_auth()
         {

src/NzbDrone.Common/Http/Dispatchers/ManagedHttpDispatcher.cs

@@ -68,8 +68,11 @@ namespace NzbDrone.Common.Http.Dispatchers
                 else if (request.Credentials is NetworkCredential nc)
                 {
                     var creds = GetCredentialCache();
-                    creds.Remove((Uri)request.Url, "Digest");
-                    creds.Add((Uri)request.Url, "Digest", nc);
+                    foreach (var authtype in new[] { "Basic", "Digest" })
+                    {
+                        creds.Remove((Uri)request.Url, authtype);
+                        creds.Add((Uri)request.Url, authtype, nc);
+                    }
                 }
             }