我有與共享的託管服務提供商中等信任環境中運行ASP.NET Web應用程序。下面的代碼會導致拋出SecurityException:在中等信任環境中創建目錄?
private void TestButton_Click(object sender, EventArgs e)
{
string directory = Server.MapPath("~/MyFolder/") + "_TestDirectory";
if (!Directory.Exists(directory))
Directory.CreateDirectory(directory);
}
錯誤的全文是:
System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.IO.Directory.InternalCreateDirectory(String fullPath, String path, DirectorySecurity dirSecurity) at System.IO.Directory.CreateDirectory(String path, DirectorySecurity directorySecurity) at ASP.testcreatedirectory_aspx.TestButton_Click(Object sender, EventArgs e) The action that failed was: Demand The type of the first permission that failed was: System.Security.Permissions.FileIOPermission The Zone of the assembly that failed was: MyComputer
對創建子文件夾擁有完全權限的文件夾,所以我不認爲那就是問題所在。這看起來像是在中等信任環境下運行。
這是正常的中等信任的環境中(通過Directory.Create法)禁止新目錄的創建,以及/或者是還有什麼解決方法呢?