1) Uncheck all user rights, except this one:
2) Setup map restrictions –inside user information:
Config like this:{"maxBounds":[[-25.9067,28.1836],[-25.9237,28.1582]],"minZoom":16,"withOutPlugins":true}
maxBounds–area where user can see map –all other not accessible.
minZoom –minimal zoom for map.
withOutPlugins–to not show print and distance measurementtools on map