1 files changed, 32 insertions, 1 deletions
diff --git a/app/src/main/java/de/blinkt/openvpn/core/Connection.java b/app/src/main/java/de/blinkt/openvpn/core/Connection.java
index ff15daec..df071894 100644
--- a/app/src/main/java/de/blinkt/openvpn/core/Connection.java
+++ b/app/src/main/java/de/blinkt/openvpn/core/Connection.java
@@ -19,11 +19,25 @@ public class Connection implements Serializable, Cloneable {
     public boolean mEnabled = true;
     public int mConnectTimeout = 0;
     public static final int CONNECTION_DEFAULT_TIMEOUT = 120;
+    public ProxyType mProxyType = ProxyType.NONE;
+    public String mProxyName = "proxy.example.com";
+    public String mProxyPort = "8080";
+
+    public boolean mUseProxyAuth;
+    public String mProxyAuthUser = null;
+    public String mProxyAuthPassword = null;
+
+    public enum ProxyType {
+        NONE,
+        HTTP,
+        SOCKS5,
+        ORBOT
+    }
 
     private static final long serialVersionUID = 92031902903829089L;
 
 
-    public String getConnectionBlock() {
+    public String getConnectionBlock(boolean isOpenVPN3) {
         String cfg = "";
 
         // Server Address
@@ -39,14 +53,31 @@ public class Connection implements Serializable, Cloneable {
         if (mConnectTimeout != 0)
             cfg += String.format(Locale.US, " connect-timeout  %d\n", mConnectTimeout);
 
+        // OpenVPN 2.x manages proxy connection via management interface
+        if ((isOpenVPN3 || usesExtraProxyOptions()) && mProxyType == ProxyType.HTTP)
+        {
+            cfg+=String.format(Locale.US,"http-proxy %s %s\n", mProxyName, mProxyPort);
+            if (mUseProxyAuth)
+                cfg+=String.format(Locale.US, "<http-proxy-user-pass>\n%s\n%s\n</http-proxy-user-pass>\n", mProxyAuthUser, mProxyAuthPassword);
+        }
+        if (usesExtraProxyOptions() && mProxyType == ProxyType.SOCKS5) {
+            cfg+=String.format(Locale.US,"socks-proxy %s %s\n", mProxyName, mProxyPort);
+        }
 
         if (!TextUtils.isEmpty(mCustomConfiguration) && mUseCustomConfig) {
             cfg += mCustomConfiguration;
             cfg += "\n";
         }
+
+
         return cfg;
     }
 
+    public boolean usesExtraProxyOptions() {
+        return (mUseCustomConfig && mCustomConfiguration.contains("http-proxy-option "));
+    }
+
+
     @Override
     public Connection clone() throws CloneNotSupportedException {
         return (Connection) super.clone();