Files
OwinOAuthProviders/Owin.Security.Providers/WordPress/WordPressAuthenticationMiddleware.cs
2014-11-03 13:23:44 +07:00

85 lines
3.6 KiB
C#

using System;
using System.Globalization;
using System.Net.Http;
using Microsoft.Owin;
using Microsoft.Owin.Logging;
using Microsoft.Owin.Security;
using Microsoft.Owin.Security.DataHandler;
using Microsoft.Owin.Security.DataProtection;
using Microsoft.Owin.Security.Infrastructure;
using Owin.Security.Providers.Properties;
namespace Owin.Security.Providers.WordPress
{
public class WordPressAuthenticationMiddleware : AuthenticationMiddleware<WordPressAuthenticationOptions>
{
private readonly HttpClient httpClient;
private readonly ILogger logger;
public WordPressAuthenticationMiddleware(OwinMiddleware next, IAppBuilder app,
WordPressAuthenticationOptions options)
: base(next, options)
{
if (String.IsNullOrWhiteSpace(Options.ClientId))
throw new ArgumentException(String.Format(CultureInfo.CurrentCulture,
Resources.Exception_OptionMustBeProvided, "ClientId"));
if (String.IsNullOrWhiteSpace(Options.ClientSecret))
throw new ArgumentException(String.Format(CultureInfo.CurrentCulture,
Resources.Exception_OptionMustBeProvided, "ClientSecret"));
logger = app.CreateLogger<WordPressAuthenticationMiddleware>();
if (Options.Provider == null)
Options.Provider = new WordPressAuthenticationProvider();
if (Options.StateDataFormat == null)
{
IDataProtector dataProtector = app.CreateDataProtector(
typeof (WordPressAuthenticationMiddleware).FullName,
Options.AuthenticationType, "v1");
Options.StateDataFormat = new PropertiesDataFormat(dataProtector);
}
if (String.IsNullOrEmpty(Options.SignInAsAuthenticationType))
Options.SignInAsAuthenticationType = app.GetDefaultSignInAsAuthenticationType();
httpClient = new HttpClient(ResolveHttpMessageHandler(Options))
{
Timeout = Options.BackchannelTimeout,
MaxResponseContentBufferSize = 1024*1024*10
};
}
/// <summary>
/// Provides the <see cref="T:Microsoft.Owin.Security.Infrastructure.AuthenticationHandler" /> object for processing
/// authentication-related requests.
/// </summary>
/// <returns>
/// An <see cref="T:Microsoft.Owin.Security.Infrastructure.AuthenticationHandler" /> configured with the
/// <see cref="T:Owin.Security.Providers.WordPress.WordPressAuthenticationOptions" /> supplied to the constructor.
/// </returns>
protected override AuthenticationHandler<WordPressAuthenticationOptions> CreateHandler()
{
return new WordPressAuthenticationHandler(httpClient, logger);
}
private HttpMessageHandler ResolveHttpMessageHandler(WordPressAuthenticationOptions options)
{
HttpMessageHandler handler = options.BackchannelHttpHandler ?? new WebRequestHandler();
// If they provided a validator, apply it or fail.
if (options.BackchannelCertificateValidator != null)
{
// Set the cert validate callback
var webRequestHandler = handler as WebRequestHandler;
if (webRequestHandler == null)
{
throw new InvalidOperationException(Resources.Exception_ValidatorHandlerMismatch);
}
webRequestHandler.ServerCertificateValidationCallback = options.BackchannelCertificateValidator.Validate;
}
return handler;
}
}
}