Add Orange France to the list of supported providers

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

@@ -349,6 +349,14 @@ public static partial class OpenIddictClientWebIntegrationHandlers
                         context.Registration.Issuer, "oidc/logout");
                 }
 
+                // While it exposes a standard OpenID Connect userinfo endpoint, Orange France doesn't list it
+                // in its configuration document. To work around that, the endpoint URI is manually added here.
+                else if (context.Registration.ProviderType is ProviderTypes.OrangeFrance)
+                {
+                    context.Configuration.UserinfoEndpoint ??=
+                        new Uri("https://api.orange.com/openidconnect/fr/v1/userinfo", UriKind.Absolute);
+                }
+
                 // While PayPal supports OpenID Connect discovery, the configuration document returned
                 // by the sandbox environment always contains the production endpoints, which would
                 // prevent the OpenIddict integration from working properly when using the sandbox mode.

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationProviders.xml

@@ -732,6 +732,20 @@
              Description="The URI used to access the Okta instance (e.g https://fabrikam.okta.com/)" />
   </Provider>
 
+  <!--
+                        ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
+                        ██ ▄▄▄ ██ ▄▄▀█ ▄▄▀██ ▀██ ██ ▄▄ ██ ▄▄▄████ ▄▄▄██ ▄▄▀█ ▄▄▀██ ▀██ ██ ▄▄▀██ ▄▄▄██
+                        ██ ███ ██ ▀▀▄█ ▀▀ ██ █ █ ██ █▀▀██ ▄▄▄████ ▄▄███ ▀▀▄█ ▀▀ ██ █ █ ██ █████ ▄▄▄██
+                        ██ ▀▀▀ ██ ██ █ ██ ██ ██▄ ██ ▀▀▄██ ▀▀▀████ █████ ██ █ ██ ██ ██▄ ██ ▀▀▄██ ▀▀▀██
+                        ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
+  -->
+
+  <Provider Name="OrangeFrance" DisplayName="Orange France" Id="848d89f4-70e2-4a43-a6e1-d15a0fbedfff"
+            Documentation="https://developer.orange.com/apis/authentication-fr/getting-started">
+    <Environment Issuer="https://openid.orange.fr/"
+                 ConfigurationEndpoint="https://api.orange.com/openidconnect/fr/v1/.well-known/openid-configuration" />
+  </Provider>
+
   <!--
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                                         ██ ▄▄ █ ▄▄▀█▄▄ ▄▄██ ▄▄▀██ ▄▄▄██ ▄▄▄ ██ ▀██ ██