From c767f55b3c3612b751caed8f94b4c048f5e31190 Mon Sep 17 00:00:00 2001
From: clowwindy <clowwindy42@gmail.com>
Date: Wed, 19 Aug 2015 21:39:06 -0700
Subject: [PATCH] add portable mode

---
 shadowsocks-csharp/Controller/Logging.cs       |  5 +++--
 .../Service/AvailabilityStatistics.cs          |  5 +++--
 .../Controller/Service/PolipoRunner.cs         |  3 ++-
 shadowsocks-csharp/Encryption/PolarSSL.cs      |  3 ++-
 shadowsocks-csharp/Encryption/Sodium.cs        |  3 ++-
 shadowsocks-csharp/Util/Util.cs                | 18 ++++++++++++++++++
 6 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/shadowsocks-csharp/Controller/Logging.cs b/shadowsocks-csharp/Controller/Logging.cs
index 126dab70..d77a3fbe 100755
--- a/shadowsocks-csharp/Controller/Logging.cs
+++ b/shadowsocks-csharp/Controller/Logging.cs
@@ -1,4 +1,5 @@
-using System;
+using Shadowsocks.Util;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net.Sockets;
@@ -14,7 +15,7 @@ namespace Shadowsocks.Controller
         {
             try
             {
-                string temppath = Path.GetTempPath();
+                string temppath = Utils.GetTempPath();
                 LogFile = Path.Combine(temppath, "shadowsocks.log");
                 FileStream fs = new FileStream(LogFile, FileMode.Append);
                 StreamWriterWithTimestamp sw = new StreamWriterWithTimestamp(fs);
diff --git a/shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs b/shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs
index 0d8463a6..f3d088c5 100644
--- a/shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs
+++ b/shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs
@@ -6,7 +6,8 @@ using System.Net.NetworkInformation;
 using System.Threading;
 using Shadowsocks.Model;
 using System.Reflection;
-
+using Shadowsocks.Util;
+
 namespace Shadowsocks.Controller
 {
     class AvailabilityStatistics
@@ -25,7 +26,7 @@ namespace Shadowsocks.Controller
         //static constructor to initialize every public static fields before refereced
         static AvailabilityStatistics()
         {
-            string temppath = Path.GetTempPath();
+            string temppath = Utils.GetTempPath();
             AvailabilityStatisticsFile = Path.Combine(temppath, StatisticsFilesName);
         }
 
diff --git a/shadowsocks-csharp/Controller/Service/PolipoRunner.cs b/shadowsocks-csharp/Controller/Service/PolipoRunner.cs
index 3b3a5a4c..5b784bcd 100644
--- a/shadowsocks-csharp/Controller/Service/PolipoRunner.cs
+++ b/shadowsocks-csharp/Controller/Service/PolipoRunner.cs
@@ -9,6 +9,7 @@ using System.Text;
 using System.Net.NetworkInformation;
 using System.Net;
 using System.Runtime.InteropServices;
+using Shadowsocks.Util;
 
 namespace Shadowsocks.Controller
 {
@@ -20,7 +21,7 @@ namespace Shadowsocks.Controller
 
         static PolipoRunner()
         {
-            temppath = Path.GetTempPath();
+            temppath = Utils.GetTempPath();
             try
             {
                 FileManager.UncompressFile(temppath + "/ss_privoxy.exe", Resources.privoxy_exe);
diff --git a/shadowsocks-csharp/Encryption/PolarSSL.cs b/shadowsocks-csharp/Encryption/PolarSSL.cs
index f5c2626d..42ce5bf7 100755
--- a/shadowsocks-csharp/Encryption/PolarSSL.cs
+++ b/shadowsocks-csharp/Encryption/PolarSSL.cs
@@ -1,5 +1,6 @@
 using Shadowsocks.Controller;
 using Shadowsocks.Properties;
+using Shadowsocks.Util;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -18,7 +19,7 @@ namespace Shadowsocks.Encryption
 
         static PolarSSL()
         {
-            string tempPath = Path.GetTempPath();
+            string tempPath = Utils.GetTempPath();
             string dllPath = tempPath + "/libsscrypto.dll";
             try
             {
diff --git a/shadowsocks-csharp/Encryption/Sodium.cs b/shadowsocks-csharp/Encryption/Sodium.cs
index 9bc72d32..564aaeda 100755
--- a/shadowsocks-csharp/Encryption/Sodium.cs
+++ b/shadowsocks-csharp/Encryption/Sodium.cs
@@ -1,5 +1,6 @@
 using Shadowsocks.Controller;
 using Shadowsocks.Properties;
+using Shadowsocks.Util;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -14,7 +15,7 @@ namespace Shadowsocks.Encryption
 
         static Sodium()
         {
-            string tempPath = Path.GetTempPath();
+            string tempPath = Utils.GetTempPath();
             string dllPath = tempPath + "/libsscrypto.dll";
             try
             {
diff --git a/shadowsocks-csharp/Util/Util.cs b/shadowsocks-csharp/Util/Util.cs
index 004128af..8cbdb31d 100755
--- a/shadowsocks-csharp/Util/Util.cs
+++ b/shadowsocks-csharp/Util/Util.cs
@@ -5,11 +5,29 @@ using System.IO;
 using System.IO.Compression;
 using System.Runtime.InteropServices;
 using System.Text;
+using System.Windows.Forms;
 
 namespace Shadowsocks.Util
 {
     public class Utils
     {
+        // return path to store temporary files
+        public static string GetTempPath()
+        {
+            if (File.Exists(Application.StartupPath + "/shadowsocks_portable_mode.txt"))
+            {
+                try
+                {
+                    Directory.CreateDirectory(Application.StartupPath + "/temp");
+                } catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+                return Application.StartupPath + "/temp";
+            }
+            return Path.GetTempPath();
+        }
+
         public static void ReleaseMemory(bool removePages)
         {
             // release any unused pages