//初始化界面
private void InitDisplay(string fileName)
{
lblObjectName.Text = fileName;
AuthorizationRuleCollection tempAccessRulesCollection = null;
//如果是文件
if (File.Exists(fileName))
{
FileInfo fileInfo = new FileInfo(fileName);
tempAccessRulesCollection = fileInfo.GetAccessControl().GetAccessRules(true, true,
typeof(System.Security.Principal.SecurityIdentifier));
}
//如果是文件夹
else if (Directory.Exists(fileName))
{
DirectoryInfo dirInfo = new DirectoryInfo(fileName);
tempAccessRulesCollection = dirInfo.GetAccessControl().GetAccessRules(true, true,
typeof(System.Security.Principal.SecurityIdentifier));
}
AuthorizationRule[] tempAccessRulesArray = new AuthorizationRule[tempAccessRulesCollection.Count];
tempAccessRulesCollection.CopyTo(tempAccessRulesArray, 0);
//去重
accessRulesArray = UniqAccessRules(tempAccessRulesArray);
lvwGroupOrUserName.Items.Clear();
//显示组或用户名列表
for (int i = 0; i < accessRulesArray.Length; i++)
{
ListViewItem item = lvwGroupOrUserName.Items.Add(accessRulesArray[i].IdentityReference.Translate(typeof(NTAccount)).ToString());
item.Tag = i;
item.ImageIndex = IconsIndexes.GroupOrUser;
}
//初始时默认当前选中的组或用户名为第一项
lvwGroupOrUserName.HideSelection = false;
lvwGroupOrUserName.Items[0].Selected = true;
//显示当前选中的组或用户名对该文件/文件夹具有的权限列表
ShowPrivilegeList();
}
public static bool IsAuthorized(string path)
{
bool isAuthorized = false;
try
{
var fileSecuirty = new FileSecurity(path, AccessControlSections.Access);
AuthorizationRuleCollection acl = fileSecuirty.GetAccessRules(true, true, typeof(System.Security.Principal.SecurityIdentifier));
AuthorizationRule[] authorizationRuleCollection = new AuthorizationRule[acl.Count];
acl.CopyTo(authorizationRuleCollection, 0);
isAuthorized = authorizationRuleCollection.ToList().Where(rc =>
{
var fileSystemAccessRule = (FileSystemAccessRule)rc;
return(fileSystemAccessRule.AccessControlType == AccessControlType.Allow && (fileSystemAccessRule.FileSystemRights & FileSystemRights.ListDirectory) == FileSystemRights.ListDirectory);
}).Count() > 0;
}
catch (UnauthorizedAccessException)
{
Log(string.Format("Attempted to perform an unauthorized operation for {0}", path));
}
return(isAuthorized);
}
