set correct envar when user running Lua code

os/controllers/SystemController.lua

@@ -115,6 +115,27 @@ function SystemController:apigateway(...)
         end
         local r, e
         e = "{'error': 'Unknow function'}"
+        -- set env var
+        local home = ulib.home_dir(uid.id)
+        ulib.setenv("USER", SESSION.user, 1)
+        ulib.setenv("LOGNAME", SESSION.user, 1)
+        if home then
+            ulib.setenv("HOME", home, 1)
+            ulib.setenv("PWD", home,1)
+            local paths = ""
+            if ulib.exists(home.."/bin") then
+                paths = home.."/bin:"
+            end
+            if ulib.exists(home.."/.local/bin") then
+                paths = paths..home.."/.local/bin:"
+            end
+            local envar = ulib.getenv("PATH")
+            if envar then
+                paths = paths..envar
+            end
+            ulib.setenv("PATH", paths,1)
+        end
+        -- run the code as user
         if data.code then
             r, e = load(data.code)
             if r then