public static FilePath DownloadFile(this ICakeContext context, Uri address, DownloadFileSettings settings)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var tempFolder = context.Environment.GetSpecialPath(SpecialPath.LocalTemp);
var tempFilename = tempFolder.CombineWithFilePath(new FilePath(System.IO.Path.GetRandomFileName()));
DownloadFile(context, address, tempFilename, settings);
return(tempFilename);
}
public static FilePath DownloadFile(this ICakeContext context, string address, DownloadFileSettings settings)
{
return(DownloadFile(context, new Uri(address), settings));
}
public static void DownloadFile(this ICakeContext context, Uri address, FilePath outputPath, DownloadFileSettings settings)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (address == null)
{
throw new ArgumentNullException(nameof(address));
}
if (outputPath == null)
{
throw new ArgumentNullException(nameof(outputPath));
}
context.Log.Verbose("Downloading file: {0}", address);
// We track the last posted value since the event seems to fire many times for the same value.
var percentComplete = 0;
using (var http = GetHttpClient(context, settings.UseDefaultCredentials))
{
if (!settings.UseDefaultCredentials)
{
if (!string.IsNullOrWhiteSpace(settings.Username) && !string.IsNullOrWhiteSpace(settings.Password))
{
var byteArray = Encoding.ASCII.GetBytes(string.Concat(settings.Username, ":", settings.Password));
http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
}
}
var progress = new Progress <int>(progressPercentage =>
{
// Only write to log if the value changed and only ever 5%.
if (percentComplete != progressPercentage && progressPercentage % 5 == 0)
{
percentComplete = progressPercentage;
context.Log.Verbose("Downloading file: {0}%", progressPercentage);
}
});
// Download file async so we get the progress events, but block for it to complete anyway.
http.DownloadFileAsync(address, outputPath.FullPath, progress).Wait();
}
context.Log.Verbose("Download complete, saved to: {0}", outputPath.FullPath);
}
public static void DownloadFile(this ICakeContext context, string address, FilePath outputPath, DownloadFileSettings settings)
{
DownloadFile(context, new Uri(address), outputPath, settings);
}