/// <summary>
/// Checks the validity of the contents MD5 hash.
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public static async Task <bool> IsMd5Valid(this HttpContent content)
{
if (content == null)
{
// No content so we are correct.
return(true);
}
var hashHeader = content.Headers.ContentMD5;
if (hashHeader == null)
{
// TOOD: Should we always require one if we have non-null content?
// No MD5 hash so true
return(true);
}
var hash = await content.ComputeMd5Hash();
return(hash.SequenceEqual(hashHeader));
}
/// <summary>
/// Compute and assign the MD5 hash of the content.
/// </summary>
/// <param name="httpContent"></param>
/// <returns></returns>
public static async Task AssignMd5Hash(this HttpContent httpContent)
{
var hash = await httpContent.ComputeMd5Hash();
httpContent.Headers.ContentMD5 = hash;
}