Adding LDAP test connection button. Reordering LDAP settings. (#3912)

api/admin.go

@@ -42,6 +42,7 @@ func InitAdmin() {
 	BaseRoutes.Admin.Handle("/reset_mfa", ApiAdminSystemRequired(adminResetMfa)).Methods("POST")
 	BaseRoutes.Admin.Handle("/reset_password", ApiAdminSystemRequired(adminResetPassword)).Methods("POST")
 	BaseRoutes.Admin.Handle("/ldap_sync_now", ApiAdminSystemRequired(ldapSyncNow)).Methods("POST")
+	BaseRoutes.Admin.Handle("/ldap_test", ApiAdminSystemRequired(ldapTest)).Methods("POST")
 	BaseRoutes.Admin.Handle("/saml_metadata", ApiAppHandler(samlMetadata)).Methods("GET")
 	BaseRoutes.Admin.Handle("/add_certificate", ApiAdminSystemRequired(addCertificate)).Methods("POST")
 	BaseRoutes.Admin.Handle("/remove_certificate", ApiAdminSystemRequired(removeCertificate)).Methods("POST")
@@ -643,7 +644,7 @@ func ldapSyncNow(c *Context, w http.ResponseWriter, r *http.Request) {
 			if ldapI := einterfaces.GetLdapInterface(); ldapI != nil {
 				ldapI.SyncNow()
 			} else {
-				l4g.Error("%v", model.NewLocAppError("saveComplianceReport", "ent.compliance.licence_disable.app_error", nil, "").Error())
+				l4g.Error("%v", model.NewLocAppError("ldapSyncNow", "ent.ldap.disabled.app_error", nil, "").Error())
 			}
 		}
 	}()
@@ -653,6 +654,24 @@ func ldapSyncNow(c *Context, w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte(model.MapToJson(rdata)))
 }
 
+func ldapTest(c *Context, w http.ResponseWriter, r *http.Request) {
+	if ldapI := einterfaces.GetLdapInterface(); ldapI != nil && utils.IsLicensed && *utils.License.Features.LDAP && *utils.Cfg.LdapSettings.Enable {
+		if err := ldapI.RunTest(); err != nil {
+			c.Err = err
+			c.Err.StatusCode = 500
+		}
+	} else {
+		c.Err = model.NewLocAppError("ldapTest", "ent.ldap.disabled.app_error", nil, "")
+		c.Err.StatusCode = http.StatusNotImplemented
+	}
+
+	if c.Err == nil {
+		rdata := map[string]string{}
+		rdata["status"] = "ok"
+		w.Write([]byte(model.MapToJson(rdata)))
+	}
+}
+
 func samlMetadata(c *Context, w http.ResponseWriter, r *http.Request) {
 	samlInterface := einterfaces.GetSamlInterface()