public HpkpMiddleware(RequestDelegate next, HpkpOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
this.next = next;
List <string> parts = new List <string>();
parts.AddRange(options.Pins);
if (options.ReportingGroup != null)
{
string rgJson = JsonConvert.SerializeObject(options.ReportingGroup);
this.reportingGroupJson = rgJson;
parts.Add($"report-to {options.ReportingGroup.Group}");
}
parts.Add($"max-age={options.MaxAge}");
if (options.IncludeSubdomains)
{
parts.Add("includeSubDomains");
}
headerValue = string.Join("; ", parts);
}
/// <summary>
/// Adds middleware for using HPKP, which adds the Public-Key-Pins header.
/// </summary>
/// <param name="app">The <see cref="IApplicationBuilder"/> instance this method extends.</param>
/// <param name="optionsAction">A delegate used for setting up the <see cref="HpkpOptionsBuilder"/>.</param>
public static IApplicationBuilder UseHpkp(this IApplicationBuilder app, Action <HpkpOptionsBuilder> optionsAction)
{
HpkpOptionsBuilder optionsBuilder = new HpkpOptionsBuilder();
optionsAction(optionsBuilder);
HpkpOptions options = optionsBuilder.Build();
return(app.UseMiddleware <HpkpMiddleware>(options));
}
internal HpkpOptionsBuilder()
{
options = new HpkpOptions();
}
