[management] Add Microsoft AD FS support for embedded Dex identity providers (#6008)

management/server/identity_provider.go

@@ -274,7 +274,7 @@ func identityProviderToConnectorConfig(idpConfig *types.IdentityProvider) *dex.C
 }
 
 // generateIdentityProviderID generates a unique ID for an identity provider.
-// For specific provider types (okta, zitadel, entra, google, pocketid, microsoft),
+// For specific provider types (okta, zitadel, entra, google, pocketid, microsoft, adfs),
 // the ID is prefixed with the type name. Generic OIDC providers get no prefix.
 func generateIdentityProviderID(idpType types.IdentityProviderType) string {
 	id := xid.New().String()
@@ -296,6 +296,8 @@ func generateIdentityProviderID(idpType types.IdentityProviderType) string {
 		return "authentik-" + id
 	case types.IdentityProviderTypeKeycloak:
 		return "keycloak-" + id
+	case types.IdentityProviderTypeADFS:
+		return "adfs-" + id
 	default:
 		// Generic OIDC - no prefix
 		return id

management/server/types/identity_provider.go

@@ -39,6 +39,8 @@ const (
 	IdentityProviderTypeAuthentik IdentityProviderType = "authentik"
 	// IdentityProviderTypeKeycloak is the Keycloak identity provider
 	IdentityProviderTypeKeycloak IdentityProviderType = "keycloak"
+	// IdentityProviderTypeADFS is the Microsoft AD FS identity provider
+	IdentityProviderTypeADFS IdentityProviderType = "adfs"
 )
 
 // IdentityProvider represents an identity provider configuration
@@ -112,7 +114,8 @@ func (t IdentityProviderType) IsValid() bool {
 	switch t {
 	case IdentityProviderTypeOIDC, IdentityProviderTypeZitadel, IdentityProviderTypeEntra,
 		IdentityProviderTypeGoogle, IdentityProviderTypeOkta, IdentityProviderTypePocketID,
-		IdentityProviderTypeMicrosoft, IdentityProviderTypeAuthentik, IdentityProviderTypeKeycloak:
+		IdentityProviderTypeMicrosoft, IdentityProviderTypeAuthentik, IdentityProviderTypeKeycloak,
+		IdentityProviderTypeADFS:
 		return true
 	}
 	return false