/// <summary>
/// Download the given mod. Returns the filename it was saved to.
///
/// If no filename is provided, the standard_name() will be used.
///
/// </summary>
/// <param name="filename">Filename.</param>
public string Download(CkanModule module, string filename = null)
{
// Generate a temporary file if none is provided.
if (filename == null)
{
filename = module.StandardName();
}
Console.WriteLine(" * Downloading " + filename + "...");
string fullPath = Path.Combine(KSP.DownloadCacheDir(), filename);
log.DebugFormat("Downloading {0} to {1}", module.download, fullPath);
WebClient agent = new WebClient();
try {
agent.DownloadFile(module.download, fullPath);
}
catch (Exception ex) {
// Clean up our file, it's unlikely to be complete.
// It's okay if this fails.
try {
log.DebugFormat("Removing {0} after web error failure", fullPath);
File.Delete(fullPath);
}
catch {
// Apparently we need a catch, even if we do nothing.
}
if (ex is System.Net.WebException && Regex.IsMatch(ex.Message, "authentication or decryption has failed"))
{
Console.WriteLine("\nOh no! Our download failed!\n");
Console.WriteLine("\t{0}\n", ex.Message);
Console.WriteLine("If you're on Linux, try running:\n");
Console.WriteLine("\tmozroots --import --ask-remove\n");
Console.WriteLine("on the command-line to update your certificate store, and try again.\n");
// TODO: Throw an exception that signals we need to exit, rather than
// stopping all other code from tidying up. (We do this for now, so
// we don't have ugly stack-traces on things we kinda expect.)
Environment.Exit(MainClass.EXIT_ERROR);
}
throw;
}
return(fullPath);
}
public string CachePath(string file)
{
return(Path.Combine(KSP.DownloadCacheDir(), file));
}
