From db750afe0d6f85b2be14003f00db72fd818d592d Mon Sep 17 00:00:00 2001
From: Kiminuo <kiminuo@protonmail.com>
Date: Fri, 11 Sep 2020 10:59:39 +0200
Subject: [PATCH] Add TorInstallator class.

---
 WalletWasabi/Tor/TorInstallator.cs    | 50 +++++++++++++++++++++++++++
 WalletWasabi/Tor/TorProcessManager.cs | 40 ++-------------------
 2 files changed, 52 insertions(+), 38 deletions(-)
 create mode 100644 WalletWasabi/Tor/TorInstallator.cs

diff --git a/WalletWasabi/Tor/TorInstallator.cs b/WalletWasabi/Tor/TorInstallator.cs
new file mode 100644
index 00000000000..7081753fdb4
--- /dev/null
+++ b/WalletWasabi/Tor/TorInstallator.cs
@@ -0,0 +1,50 @@
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Threading.Tasks;
+using WalletWasabi.Helpers;
+using WalletWasabi.Logging;
+
+namespace WalletWasabi.Tor
+{
+	/// <summary>
+	/// Installs Tor from <c>data-folder.zip</c> and <c>tor-PLATFORM.zip</c> files which are part of Wasabi Wallet distribution.
+	/// </summary>
+	public class TorInstallator
+	{
+		public async static Task InstallAsync(string torDir)
+		{
+			string torDaemonsDir = Path.Combine(EnvironmentHelpers.GetFullBaseDirectory(), "TorDaemons");
+
+			string dataZip = Path.Combine(torDaemonsDir, "data-folder.zip");
+			await IoHelpers.BetterExtractZipToDirectoryAsync(dataZip, torDir).ConfigureAwait(false);
+			Logger.LogInfo($"Extracted {dataZip} to {torDir}.");
+
+			if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+			{
+				string torWinZip = Path.Combine(torDaemonsDir, "tor-win64.zip");
+				await IoHelpers.BetterExtractZipToDirectoryAsync(torWinZip, torDir).ConfigureAwait(false);
+				Logger.LogInfo($"Extracted {torWinZip} to {torDir}.");
+			}
+			else // Linux or OSX
+			{
+				if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+				{
+					string torLinuxZip = Path.Combine(torDaemonsDir, "tor-linux64.zip");
+					await IoHelpers.BetterExtractZipToDirectoryAsync(torLinuxZip, torDir).ConfigureAwait(false);
+					Logger.LogInfo($"Extracted {torLinuxZip} to {torDir}.");
+				}
+				else // OSX
+				{
+					string torOsxZip = Path.Combine(torDaemonsDir, "tor-osx64.zip");
+					await IoHelpers.BetterExtractZipToDirectoryAsync(torOsxZip, torDir).ConfigureAwait(false);
+					Logger.LogInfo($"Extracted {torOsxZip} to {torDir}.");
+				}
+
+				// Make sure there's sufficient permission.
+				string chmodTorDirCmd = $"chmod -R 750 {torDir}";
+				await EnvironmentHelpers.ShellExecAsync(chmodTorDirCmd, waitForExit: true).ConfigureAwait(false);
+				Logger.LogInfo($"Shell command executed: {chmodTorDirCmd}.");
+			}
+		}
+	}
+}
diff --git a/WalletWasabi/Tor/TorProcessManager.cs b/WalletWasabi/Tor/TorProcessManager.cs
index 91efde6e17f..459a73bb7a9 100644
--- a/WalletWasabi/Tor/TorProcessManager.cs
+++ b/WalletWasabi/Tor/TorProcessManager.cs
@@ -95,7 +95,7 @@ public void Start(bool ensureRunning, string dataDir)
 						if (!File.Exists(settings.TorPath))
 						{
 							Logger.LogInfo($"Tor instance NOT found at '{settings.TorPath}'. Attempting to acquire it ...");
-							InstallTor(settings.TorDir);
+							TorInstallator.InstallAsync(settings.TorDir).GetAwaiter().GetResult();
 						}
 						else if (!IoHelpers.CheckExpectedHash(settings.HashSourcePath, Path.Combine(fullBaseDirectory, "TorDaemons")))
 						{
@@ -108,7 +108,7 @@ public void Start(bool ensureRunning, string dataDir)
 							}
 							Directory.Move(settings.TorDir, backupTorDir);
 
-							InstallTor(settings.TorDir);
+							TorInstallator.InstallAsync(settings.TorDir).GetAwaiter().GetResult();
 						}
 						else
 						{
@@ -165,42 +165,6 @@ public void Start(bool ensureRunning, string dataDir)
 			}).Start();
 		}
 
-		private static void InstallTor(string torDir)
-		{
-			string torDaemonsDir = Path.Combine(EnvironmentHelpers.GetFullBaseDirectory(), "TorDaemons");
-
-			string dataZip = Path.Combine(torDaemonsDir, "data-folder.zip");
-			IoHelpers.BetterExtractZipToDirectoryAsync(dataZip, torDir).GetAwaiter().GetResult();
-			Logger.LogInfo($"Extracted {dataZip} to {torDir}.");
-
-			if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-			{
-				string torWinZip = Path.Combine(torDaemonsDir, "tor-win64.zip");
-				IoHelpers.BetterExtractZipToDirectoryAsync(torWinZip, torDir).GetAwaiter().GetResult();
-				Logger.LogInfo($"Extracted {torWinZip} to {torDir}.");
-			}
-			else // Linux or OSX
-			{
-				if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
-				{
-					string torLinuxZip = Path.Combine(torDaemonsDir, "tor-linux64.zip");
-					IoHelpers.BetterExtractZipToDirectoryAsync(torLinuxZip, torDir).GetAwaiter().GetResult();
-					Logger.LogInfo($"Extracted {torLinuxZip} to {torDir}.");
-				}
-				else // OSX
-				{
-					string torOsxZip = Path.Combine(torDaemonsDir, "tor-osx64.zip");
-					IoHelpers.BetterExtractZipToDirectoryAsync(torOsxZip, torDir).GetAwaiter().GetResult();
-					Logger.LogInfo($"Extracted {torOsxZip} to {torDir}.");
-				}
-
-				// Make sure there's sufficient permission.
-				string chmodTorDirCmd = $"chmod -R 750 {torDir}";
-				EnvironmentHelpers.ShellExecAsync(chmodTorDirCmd, waitForExit: true).GetAwaiter().GetResult();
-				Logger.LogInfo($"Shell command executed: {chmodTorDirCmd}.");
-			}
-		}
-
 		/// <param name="torSocks5EndPoint">Opt out Tor with null.</param>
 		public static async Task<bool> IsTorRunningAsync(EndPoint torSocks5EndPoint)
 		{