private static string GetDefaultIconPath(
Win32Registry.Key baseKey,
string schemeName)
{
if (baseKey == null || string.IsNullOrWhiteSpace(schemeName))
{
return(null);
}
var relativeKeyPath = $"{schemeName}\\DefaultIcon";
using (var subKey = baseKey.OpenSubKey(
relativeKeyPath,
Win32Registry.KeyPermissionCheck.ReadSubTree))
{
var value = subKey?.GetValue(null);
if (value == null)
{
return(null);
}
if (subKey.GetValueKind(null) == Win32Registry.ValueKind.String)
{
return((string)value);
}
}
return(null);
}
private static KeyValuePair <string, string> GetCommandPair(
Win32Registry.Key baseKey,
string schemeName,
string realSchemeName,
bool whitelistOnly)
{
var empty = new KeyValuePair <string, string>();
if (baseKey == null || string.IsNullOrWhiteSpace(realSchemeName))
{
return(empty);
}
var relativeKeyPath = $"{realSchemeName}\\Shell\\open\\command";
using (var subKey = baseKey.OpenSubKey(
relativeKeyPath,
Win32Registry.KeyPermissionCheck.ReadSubTree))
{
if (subKey == null)
{
return(empty);
}
var value = subKey.GetValue(null);
if (value == null)
{
return(empty);
}
var data = string.Empty;
if (subKey.GetValueKind(null) == Win32Registry.ValueKind.String)
{
data = (string)value;
}
var result = GetCommandPair(data);
var commandPath = result.Key;
if (!File.Exists(commandPath))
{
return(empty);
}
var key = GetProtocolCommandPathKey(
schemeName,
new FileInfo(commandPath).Name.ToLower(CultureInfo.InvariantCulture)
);
if (whitelistOnly && !ProtocolCommandPathWhitelist.Contains(key))
{
Logger.GetInstance(typeof(DefaultUriSchemeManager)).Warn($"The command \"{commandPath}\" is not in {schemeName} whitelist");
return(empty);
}
return(result);
}
}
