first pass on obfs4-hop pt integration

1 files changed, 52 insertions, 4 deletions

diff --git a/app/src/main/java/de/blinkt/openvpn/core/connection/Connection.java b/app/src/main/java/de/blinkt/openvpn/core/connection/Connection.java
index 137b3f16..6dc78a30 100644
--- a/app/src/main/java/de/blinkt/openvpn/core/connection/Connection.java
+++ b/app/src/main/java/de/blinkt/openvpn/core/connection/Connection.java
@@ -5,6 +5,8 @@
 
 package de.blinkt.openvpn.core.connection;
 
+import static de.blinkt.openvpn.core.connection.Connection.TransportType.*;
+
 import android.text.TextUtils;
 
 import com.google.gson.annotations.JsonAdapter;
@@ -42,7 +44,7 @@ public abstract class Connection implements Serializable, Cloneable {
         TCP("tcp"),
         KCP("kcp");
 
-        String protocol;
+        final String protocol;
 
         TransportProtocol(String transportProtocol) {
             this.protocol = transportProtocol;
@@ -55,11 +57,12 @@ public abstract class Connection implements Serializable, Cloneable {
     }
     public enum TransportType {
         OBFS4("obfs4"),
+        OBFS4_HOP("obfs4Hop"),
         OPENVPN("openvpn"),
 
         PT("metaTransport");
 
-        String transport;
+        final String transport;
 
         TransportType(String transportType) {
             this.transport = transportType;
@@ -70,12 +73,57 @@ public abstract class Connection implements Serializable, Cloneable {
             return transport;
         }
 
+        public int toInt() {
+            switch (this) {
+                case PT:
+                    return 0;
+                case OPENVPN:
+                    return 1;
+                case OBFS4:
+                    return 2;
+                case OBFS4_HOP:
+                    return 3;
+                default:
+                    return -1;
+            }
+        }
+
+        public static TransportType fromString(String value) {
+            switch (value) {
+                case "obfs4":
+                    return OBFS4;
+                case "obfs4-hop":
+                    return OBFS4_HOP;
+                case "metaTransport":
+                    return PT;
+                case "openvpn":
+                    return OPENVPN;
+                default:
+                    throw new IllegalArgumentException(value + " is not a valid value for TransportType.");
+            }
+        }
+
+        public static TransportType fromInt(int value) {
+            switch (value) {
+                case 0:
+                    return PT;
+                case 1:
+                    return OPENVPN;
+                case 2:
+                    return OBFS4;
+                case 3:
+                    return OBFS4_HOP;
+                default:
+                    return null;
+            }
+        }
+
         public boolean isPluggableTransport() {
-            return this == OBFS4 || this == PT;
+            return this == OBFS4 || this == OBFS4_HOP || this == PT;
         }
 
         public TransportType getMetaType() {
-            if (this == OBFS4 || this == PT) {
+            if (this == OBFS4 || this == OBFS4_HOP || this == PT) {
                 return PT;
             }
             return OPENVPN;