/// <summary>
/// Gets a resource, using a Uniform Resource Identifier (or Locator).
/// </summary>
/// <param name="Uri">URI</param>
/// <param name="TimeoutMs">Timeout, in milliseconds. (Default=60000)</param>
/// <param name="Headers">Optional headers. Interpreted in accordance with the corresponding URI scheme.</param>
/// <exception cref="InvalidOperationException">No <see cref="HttpxProxy"/> set in the HTTPX <see cref="Types"/> module parameter.</exception>
/// <exception cref="ArgumentException">If the <paramref name="Uri"/> parameter is invalid.</exception>
/// <exception cref="ArgumentException">If the object response be decoded.</exception>
/// <exception cref="ConflictException">If an approved presence subscription with the remote entity does not exist.</exception>
/// <exception cref="ServiceUnavailableException">If the remote entity is not online.</exception>
/// <exception cref="TimeoutException">If the request times out.</exception>
/// <exception cref="OutOfMemoryException">If resource too large to decode.</exception>
/// <exception cref="IOException">If unable to read from temporary file.</exception>
/// <returns>Decoded object.</returns>
public async Task <object> GetAsync(Uri Uri, int TimeoutMs, params KeyValuePair <string, string>[] Headers)
{
KeyValuePair <string, TemporaryFile> Rec = await this.GetTempFileAsync(Uri, TimeoutMs, Headers);
string ContentType = Rec.Key;
TemporaryFile File = Rec.Value;
try
{
if (File is null)
{
return(null);
}
File.Position = 0;
if (File.Length > int.MaxValue)
{
throw new OutOfMemoryException("Resource too large.");
}
int Len = (int)File.Length;
byte[] Bin = new byte[Len];
if (await File.ReadAsync(Bin, 0, Len) != Len)
{
throw new IOException("Unable to read from file.");
}
return(InternetContent.Decode(ContentType, Bin, Uri));
}
finally
{
File?.Dispose();
}
}
