Plugin is throwing System.Security.Permissions.EnvironmentPermission, mscorlib, Version=4.0.0.0, Culture.... exception

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Posted on by Mir Hassan Ali

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I am getting this exception from my plugin

Request for the permission of type 'System.Security.Permissions.EnvironmentPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.IO.Path.GetTempPath()
at Plugins.PostReceiptRetrieve.ExecutePostReceiptRetrieve(LocalPluginContext localContext)

This is when I try to get the Temp folder path using Path.GetTempPath() method. Any ideas?

Thanks

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Robert Gambin 110 on at

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Since the plugin code is executed in a sandbox, you have no access to the local file system.

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Mir Hassan Ali 1,720 on at

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Hi

This is an on-premise installation and I thought plugins are sandboxed only for the online installation.

Thanks

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Robert Gambin 110 on at

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By Default it is Sandboxed, however when you register the assembly using the plugin registration tool you have the option to select None in Step #3 Specify the Isolation Mode which should exclude the code in that assembly from sandboxing.

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ScottDurow 21 on at

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When you register your plugin you have the option to set isolation mode to sandbox or none. The default on the developer toolkit is sandbox even for onprem because of the benefits you get around monitoring.

Scott

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Mir Hassan Ali 1,720 on at

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Thats it, thanks!

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Community Member on at

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So, how to use local system libraries like for example System.Security.Cryptography; when it comes to sandboxed assemblies if I have an online organization?

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Community Member on at

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That helped me thanks

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