na-get-lib/NaGet.SubCommands.SubTask/SecurityProtocolConfigSubTask.cs

   1 using System;
   2 using System.Net;
   3 using NaGet.Tasks;
   4
   5 namespace NaGet.SubCommands.SubTask
   6 {
   7         public class SecurityProtocolConfigSubTask : NaGetSubTask
   8         {
   9                 public SecurityProtocolConfigSubTask()
  10                 {
  11                 }
  12
  13                 public override void Run()
  14                 {
  15                         NotifyStarted();
  16                         RaiseTaskSetEvent(TaskEventType.STARTED, "セキュリティプロトコル設定の確認", 0);
  17
  18                         // SSLv3無効化
  19                         if ((ServicePointManager.SecurityProtocol & SecurityProtocolType.Ssl3) != 0) {
  20                                 ServicePointManager.SecurityProtocol &= ~SecurityProtocolType.Ssl3;
  21                                 RaiseTaskSetEvent(TaskEventType.PING, string.Empty, 33);
  22                         }
  23
  24                         // TLSv1.0有効化
  25                         ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls;
  26
  27                         try {
  28                                 ServicePointManager.SecurityProtocol |= (SecurityProtocolType)768; // SecurityProtocolType.Tls11
  29                                 RaiseTaskSetEvent(TaskEventType.PING, string.Empty, 66);
  30                         } catch (NotSupportedException) {
  31                                 RaiseTaskSetEvent(TaskEventType.INFO, "TLSv1.1は有効ではありません", 66);
  32                         }
  33
  34                         try {
  35                                 ServicePointManager.SecurityProtocol |= (SecurityProtocolType)3072; // SecurityProtocolType.Tls12
  36                                 RaiseTaskSetEvent(TaskEventType.PING, string.Empty, 99);
  37                         } catch (NotSupportedException) {
  38                                 RaiseTaskSetEvent(TaskEventType.INFO, "TLSv1.2は有効ではありません", 99);
  39                         }
  40
  41                         RaiseTaskSetEvent(TaskEventType.COMPLETED, "セキュリティプロトコル設定の確認", 100);
  42                         NotifyCompleted();
  43                 }
  44         }
  45 }