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Server Side code to check if the current user has edit rights on one of the modules

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Timo Breumelhof.

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6/18/2021 4:49 AM

I'm looking for the most efficient way to detect if the current user has Edit rights on one of the module on the page.
I now used

<code>DotNetNuke.Security.Permissions.ModulePermissionController.CanEditModuleContent()</code>

But that would mean I would have to first get all modules on the page and check this for each module, which does not feel very efficient as DNN must be doing the same check for the Persona Bar.
Is there a more efficient way to check this that I missed?

Brian Dukes

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6/18/2021 9:46 AM

Looks like the control panel is also looping over all modules on the page: https://github.com/dnnsof...nelBase.cs#L124-L163

Sebastian Leupold

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6/18/2021 9:48 AM

an alternative with better performance would be creating an appropriate stored procedure, you may query.

Timo Breumelhof.

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6/18/2021 9:59 AM

Posted By Brian Dukes on 18 Jun 2021 09:46 AM
Looks like the control panel is also looping over all modules on the page: https://github.com/dnnsof...nelBase.cs#L124-L163

Hmm, right.. thanks :-)

Timo Breumelhof.

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6/18/2021 10:02 AM

Posted By Sebastian Leupold on 18 Jun 2021 09:48 AM
an alternative with better performance would be creating an appropriate stored procedure, you may query.

As I think the Module Settings are cached, so I guess it should not be that slow, it's just that the PB does the same check..

Sebastian Leupold

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6/18/2021 10:03 PM

considering the number of possible permission combinations for roles and users, evaluating it again and again can be time consuming - and it won't be helpful to cache with module and page settings.
IMO it would be more efficient to cache permission with each user upon login (and once for unauthenticated users and maybe once for registered users).

David Lee

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10/12/2021 11:44 PM

I've used this code. But I've copied the "MANGE" permission key from DNN without looking into it.

public static bool HasModuleEditRights(int tabId, int moduleId)
{
try
{
if (tabId <= 0 && moduleId <= 0) return true;
if (tabId == 0) return false;
if (moduleId == 0) return false;
var moduleInfo = ModuleController.Instance.GetModule(moduleId, tabId, false);
if (ModulePermissionController.HasModuleAccess(SecurityAccessLevel.Edit, "MANAGE", moduleInfo))
{
return true;
}
}
catch (Exception)
{
return false;
}
return false;
}

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