private static Win32Program InternetShortcutProgram(string path)
{
try
{
// We don't want to read the whole file if we don't need to
var lines = FileWrapper.ReadLines(path);
string iconPath = string.Empty;
string urlPath = string.Empty;
bool validApp = false;
const string urlPrefix = "URL=";
const string iconFilePrefix = "IconFile=";
foreach (string line in lines)
{
// Using OrdinalIgnoreCase since this is used internally
if (line.StartsWith(urlPrefix, StringComparison.OrdinalIgnoreCase))
{
urlPath = line.Substring(urlPrefix.Length);
if (!Uri.TryCreate(urlPath, UriKind.RelativeOrAbsolute, out Uri _))
{
ProgramLogger.Warn("url could not be parsed", null, MethodBase.GetCurrentMethod().DeclaringType, urlPath);
return(InvalidProgram);
}
// To filter out only those steam shortcuts which have 'run' or 'rungameid' as the hostname
if (InternetShortcutURLPrefixes.Match(urlPath).Success)
{
validApp = true;
}
}
else if (line.StartsWith(iconFilePrefix, StringComparison.OrdinalIgnoreCase))
{
iconPath = line.Substring(iconFilePrefix.Length);
}
// If we resolved an urlPath & and an iconPath quit reading the file
if (!string.IsNullOrEmpty(urlPath) && !string.IsNullOrEmpty(iconPath))
{
break;
}
}
if (!validApp)
{
return(InvalidProgram);
}
try
{
return(new Win32Program
{
Name = Path.GetFileNameWithoutExtension(path),
ExecutableName = Path.GetFileName(path),
IcoPath = iconPath,
FullPath = urlPath.ToLowerInvariant(),
UniqueIdentifier = path,
ParentDirectory = Directory.GetParent(path).FullName,
Valid = true,
Enabled = true,
AppType = ApplicationType.InternetShortcutApplication,
});
}
catch (Exception e) when(e is SecurityException || e is UnauthorizedAccessException)
{
ProgramLogger.Warn($"|Permission denied when trying to load the program from {path}", e, MethodBase.GetCurrentMethod().DeclaringType, path);
return(InvalidProgram);
}
}
catch (Exception e)
{
ProgramLogger.Exception($"|An unexpected error occurred in the calling method InternetShortcutProgram at {path}", e, MethodBase.GetCurrentMethod().DeclaringType, path);
return(InvalidProgram);
}
}