fix(openid): use the calculated redirect url when authenticating with openid providers

pkg/modules/auth/openid/openid.go

@@ -40,8 +40,9 @@ import (
 
 // Callback contains the callback after an auth request was made and redirected
 type Callback struct {
-	Code  string `query:"code" json:"code"`
-	Scope string `query:"scop" json:"scope"`
+	Code        string `query:"code" json:"code"`
+	Scope       string `query:"scop" json:"scope"`
+	RedirectUrl string `json:"redirect_url"`
 }
 
 // Provider is the structure of an OpenID Connect provider
@@ -103,6 +104,8 @@ func HandleCallback(c echo.Context) error {
 		return c.JSON(http.StatusBadRequest, models.Message{Message: "Provider does not exist"})
 	}
 
+	provider.Oauth2Config.RedirectURL = cb.RedirectUrl
+
 	// Parse the access & ID token
 	oauth2Token, err := provider.Oauth2Config.Exchange(context.Background(), cb.Code)
 	if err != nil {

pkg/modules/auth/openid/providers.go

@@ -149,7 +149,6 @@ func getProviderFromMap(pi map[string]interface{}) (provider *Provider, err erro
 	provider.Oauth2Config = &oauth2.Config{
 		ClientID:     provider.ClientID,
 		ClientSecret: provider.ClientSecret,
-		RedirectURL:  config.AuthOpenIDRedirectURL.GetString() + k,
 		// Discovery returns the OAuth2 endpoints.
 		Endpoint: provider.openIDProvider.Endpoint(),