private bool ShouldExcludeFromCdnForPathCore(string resourceUri, CdnProviderOptions providerOptions)
{
if (string.IsNullOrWhiteSpace(resourceUri) || resourceUri.StartsWith("~"))
{
return(true);
}
return(this.ShouldExcludeFromCdnForPath(resourceUri, providerOptions));
}
protected virtual bool ShouldExcludeFromCdnForPath(string resourceUri, CdnProviderOptions providerOptions)
{
if (!string.IsNullOrWhiteSpace(providerOptions.ExcludePattern))
{
var excludePattern = new Regex(
providerOptions.ExcludePattern,
RegexOptions.CultureInvariant | RegexOptions.Singleline);
return(excludePattern.IsMatch(resourceUri));
}
return(false);
}
protected virtual bool ShouldIncludeVersion(string resourceUri, CdnProviderOptions providerOptions)
{
if (!string.IsNullOrWhiteSpace(providerOptions.VersionPattern))
{
var includeVersion = new Regex(
providerOptions.VersionPattern,
RegexOptions.CultureInvariant | RegexOptions.Singleline);
return(includeVersion.IsMatch(resourceUri));
}
return(false);
}
private Uri GetUri(string resourceUri, CdnProviderOptions providerOptions)
{
if (Uri.IsWellFormedUriString(resourceUri, UriKind.Absolute) ||
this.ShouldExcludeFromCdnForPathCore(resourceUri, providerOptions))
{
return(new Uri(resourceUri, UriKind.RelativeOrAbsolute));
}
resourceUri = resourceUri.StartsWith("/") ? resourceUri : $"/{resourceUri}";
var cdnUriBuilder = new UriBuilder(providerOptions.Host)
{
Path = providerOptions.Prefix.Add(resourceUri)
};
var cdnUri = cdnUriBuilder.Uri;
if (this.ShouldIncludeVersionCore(resourceUri, providerOptions))
{
return(this.GetCdnUriWithVersion(cdnUri, this.cdnUriVersionProvider.GetVersion(resourceUri, providerOptions)));
}
return(cdnUri);
}
public string GetVersion(string resourceUri, CdnProviderOptions cdnProviderOptions)
{
return(Convert.ToBase64String(Encoding.UTF8.GetBytes(GetAssemblyVersionStamp())));
}
private bool ShouldIncludeVersionCore(string resourceUri, CdnProviderOptions providerOptions)
{
return(this.ShouldIncludeVersion(resourceUri, providerOptions));
}
public string GetVersion(string resourceUri, CdnProviderOptions cdnProviderOptions)
{
return(DateTimeOffset.UtcNow.Ticks.ToString());
}
