Removed config for invite_link

The link template is still defined in a constant but not
exposed in the config, as it depends on Mentix and should not be
changed.

internal/http/services/sciencemesh/email.go

@@ -119,14 +119,7 @@ func (h *tokenHandler) initSubjectTemplate(subjTempl string) error {
 }
 
 func (h *tokenHandler) initInviteLinkTemplate(inviteTempl string) error {
-	var t string
-	if inviteTempl == "" {
-		t = defaultInviteLink
-	} else {
-		t = inviteTempl
-	}
-
-	tpl, err := template.New("tpl_invite").Parse(t)
+	tpl, err := template.New("tpl_invite").Parse(inviteTempl)
 	if err != nil {
 		return err
 	}

internal/http/services/sciencemesh/sciencemesh.go

@@ -70,7 +70,6 @@ type config struct {
 	SubjectTemplate    string                      `mapstructure:"subject_template"`
 	BodyTemplatePath   string                      `mapstructure:"body_template_path"`
 	OCMMountPoint      string                      `mapstructure:"ocm_mount_point"`
-	InviteLinkTemplate string                      `mapstructure:"invite_link_template"`
 }
 
 func (c *config) init() {

internal/http/services/sciencemesh/token.go

@@ -38,7 +38,7 @@ import (
 	"github.com/cs3org/reva/pkg/smtpclient"
 )
 
-const defaultInviteLink = "{{.MeshDirectoryURL}}?token={{.Token}}&providerDomain={{.User.Id.Idp}}"
+const defaultInviteLinkPrefix = "{{.MeshDirectoryURL}}?token={{.Token}}&providerDomain="
 
 type tokenHandler struct {
 	gatewayClient    gateway.GatewayAPIClient
@@ -71,7 +71,10 @@ func (h *tokenHandler) init(c *config) error {
 		return err
 	}
 
-	return h.initInviteLinkTemplate(c.InviteLinkTemplate)
+	if c.ProviderDomain == "" {
+		return errors.New("provider_domain missing from configuration")
+	}
+	return h.initInviteLinkTemplate(defaultInviteLinkPrefix + c.ProviderDomain)
 }
 
 type token struct {