Custom code access permissions
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by jaklucky
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Published on 2010-04-01T18:38:27Z
Indexed on
2010/04/01
18:43 UTC
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Hi all,
We have a server written in C# (Framework 3.5 SP1). Customers write client applications using our server API. Recently, we created several levels of license schemes like Basic, Intermediate and All. If you have Basic license then you can call few methods on our API. Similiarly if you have Intermediate you get some extra methods to call and if you have All then you can call all the methods.
When server starts it gets the license type. Now in each method I have to check the type of license and decide whether to proceed further with the fucntion or return.
For example, a method "InterMediateMethod()" can only be used by Intermediate License and All license. So I have to something like this.
public void InterMediateMethod()
{
if(licenseType == "Basic")
{
throw new Exception("Access denined");
}
}
It looks like to me that it is very lame approach. Is there any better way to do this? Is there any declarative way to do this by defining some custom attributes? I looked at creating a custom "CodeAccessSecurityAttribute" but did not get a good success.
Thank you,
Suresh
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