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