fix: show error msg and standard page when ega login fails

setting a viewModel in .View("file.html", viewModel) overrides any
previous viewdata calls.

sda/cmd/auth/cega.go

@@ -11,11 +11,6 @@ import (
 	bcrypt "golang.org/x/crypto/bcrypt"
 )
 
-// EGALoginError is used to store message errors
-type EGALoginError struct {
-	Reason string
-}
-
 // CegaUserResponse captures the response list
 type CegaUserResponse struct {
 	PasswordHash string `json:"passwordHash"`

sda/cmd/auth/main.go

@@ -160,6 +160,7 @@ func (auth AuthHandler) postEGA(ctx iris.Context) {
 
 			s3conf := getS3ConfigMap(token, auth.Config.S3Inbox, username)
 			s.SetFlash("ega", s3conf)
+
 			ctx.ViewData("infoUrl", auth.Config.InfoURL)
 			ctx.ViewData("infoText", auth.Config.InfoText)
 			ctx.ViewData("User", username)
@@ -210,7 +211,8 @@ func (auth AuthHandler) getEGALogin(ctx iris.Context) {
 	}
 	ctx.ViewData("infoUrl", auth.Config.InfoURL)
 	ctx.ViewData("infoText", auth.Config.InfoText)
-	err := ctx.View("loginform.html", EGALoginError{Reason: message})
+	ctx.ViewData("Reason", message)
+	err := ctx.View("loginform.html")
 	if err != nil {
 		log.Error("Failed to view invalid credentials form: ", err)