Add ServiceChannel to the list of supported providers

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationHandlers.Userinfo.cs

@@ -265,6 +265,10 @@ public static partial class OpenIddictClientWebIntegrationHandlers
                     Providers.Patreon => new(context.Response["data"]?["attributes"]?.GetNamedParameters() ??
                         throw new InvalidOperationException(SR.FormatID0334("data/attributes"))),
 
+                    // ServiceChannel returns a nested "UserProfile" object.
+                    Providers.ServiceChannel => new(context.Response["UserProfile"]?.GetNamedParameters() ??
+                        throw new InvalidOperationException(SR.FormatID0334("UserProfile"))),
+
                     // StackExchange returns an "items" array containing a single element.
                     Providers.StackExchange => new(context.Response["items"]?[0]?.GetNamedParameters() ??
                         throw new InvalidOperationException(SR.FormatID0334("items/0"))),

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationProviders.xml

@@ -533,6 +533,38 @@
              Description="The value used as the 'duration' parameter (can be set to 'permanent' to retrieve a refresh token)" />
   </Provider>
 
+  <!--
+                    ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
+                    ██ ▄▄▄ ██ ▄▄▄██ ▄▄▀██ ███ █▄ ▄██ ▄▄▀██ ▄▄▄██ ▄▄▀██ ██ █ ▄▄▀██ ▀██ ██ ▀██ ██ ▄▄▄██ █████
+                    ██▄▄▄▀▀██ ▄▄▄██ ▀▀▄███ █ ███ ███ █████ ▄▄▄██ █████ ▄▄ █ ▀▀ ██ █ █ ██ █ █ ██ ▄▄▄██ █████
+                    ██ ▀▀▀ ██ ▀▀▀██ ██ ███▄▀▄██▀ ▀██ ▀▀▄██ ▀▀▀██ ▀▀▄██ ██ █ ██ ██ ██▄ ██ ██▄ ██ ▀▀▀██ ▀▀ ██
+                    ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
+  -->
+
+  <Provider Name="ServiceChannel" Documentation="https://developer.servicechannel.com/basics/general/authentication/">
+    <Environment Name="Production" Issuer="https://servicechannel.com/">
+      <Configuration AuthorizationEndpoint="https://login.servicechannel.com/oauth/authorize"
+                     TokenEndpoint="https://login.servicechannel.com/oauth/token"
+                     UserinfoEndpoint="https://api.servicechannel.com/v3/users/current/profile">
+        <GrantType Value="authorization_code" />
+        <GrantType Value="refresh_token" />
+
+        <TokenEndpointAuthMethod Value="client_secret_basic" />
+      </Configuration>
+    </Environment>
+
+    <Environment Name="Sandbox" Issuer="https://servicechannel.com/">
+      <Configuration AuthorizationEndpoint="https://sb2login.servicechannel.com/oauth/authorize"
+                     TokenEndpoint="https://sb2login.servicechannel.com/oauth/token"
+                     UserinfoEndpoint="https://sb2api.servicechannel.com/v3/users/current/profile">
+        <GrantType Value="authorization_code" />
+        <GrantType Value="refresh_token" />
+
+        <TokenEndpointAuthMethod Value="client_secret_basic" />
+      </Configuration>
+    </Environment>
+  </Provider>
+
   <!--
                                               ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
                                               ██ ▄▄▄ ██ ████ ▄▄▀██ ▄▄▀██ █▀▄██