From 73b0c4ea8116c4b1088dcd84cb2f4d7181baf7ab Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 30 Apr 2018 05:00:51 +0200
Subject: TunnelEditorFragment: rewrite and simplify

This should remove some null pointer dereferences and overall make the
thing more robust.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 app/src/main/java/com/wireguard/config/Peer.java | 82 +++++++++++-------------
 1 file changed, 37 insertions(+), 45 deletions(-)

(limited to 'app/src/main/java/com/wireguard/config/Peer.java')

diff --git a/app/src/main/java/com/wireguard/config/Peer.java b/app/src/main/java/com/wireguard/config/Peer.java
index 28495f46..327365b3 100644
--- a/app/src/main/java/com/wireguard/config/Peer.java
+++ b/app/src/main/java/com/wireguard/config/Peer.java
@@ -21,27 +21,14 @@ import java.util.Locale;
  * Represents the configuration for a WireGuard peer (a [Peer] block).
  */
 
-public class Peer implements Parcelable {
-    public static final Creator<Peer> CREATOR = new Creator<Peer>() {
-        @Override
-        public Peer createFromParcel(final Parcel in) {
-            return new Peer(in);
-        }
-
-        @Override
-        public Peer[] newArray(final int size) {
-            return new Peer[size];
-        }
-    };
-
-    public static class Observable extends BaseObservable {
+public class Peer {
+    public static class Observable extends BaseObservable implements Parcelable {
         private String allowedIPs;
         private String endpoint;
         private String persistentKeepalive;
         private String preSharedKey;
         private String publicKey;
 
-
         public Observable(Peer parent) {
             loadData(parent);
         }
@@ -118,6 +105,41 @@ public class Peer implements Parcelable {
             this.publicKey = publicKey;
             notifyPropertyChanged(BR.publicKey);
         }
+
+
+        public static final Creator<Observable> CREATOR = new Creator<Observable>() {
+            @Override
+            public Observable createFromParcel(final Parcel in) {
+                return new Observable(in);
+            }
+
+            @Override
+            public Observable[] newArray(final int size) {
+                return new Observable[size];
+            }
+        };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(final Parcel dest, final int flags) {
+            dest.writeString(allowedIPs);
+            dest.writeString(endpoint);
+            dest.writeString(persistentKeepalive);
+            dest.writeString(preSharedKey);
+            dest.writeString(publicKey);
+        }
+
+        private Observable(final Parcel in) {
+            allowedIPs = in.readString();
+            endpoint = in.readString();
+            persistentKeepalive = in.readString();
+            preSharedKey = in.readString();
+            publicKey = in.readString();
+        }
     }
 
     private List<IPCidr> allowedIPsList;
@@ -130,26 +152,6 @@ public class Peer implements Parcelable {
         allowedIPsList = new LinkedList<>();
     }
 
-    private Peer(final Parcel in) {
-        allowedIPsList = in.createTypedArrayList(IPCidr.CREATOR);
-        String host = in.readString();
-        int port = in.readInt();
-        if (host != null && !host.isEmpty() && port > 0)
-            endpoint = InetSocketAddress.createUnresolved(host, port);
-        persistentKeepalive = in.readInt();
-        preSharedKey = in.readString();
-        if (preSharedKey != null && preSharedKey.isEmpty())
-            preSharedKey = null;
-        publicKey = in.readString();
-        if (publicKey != null && publicKey.isEmpty())
-            publicKey = null;
-    }
-
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
 
     private String getAllowedIPsString() {
         if (allowedIPsList.isEmpty())
@@ -299,14 +301,4 @@ public class Peer implements Parcelable {
             sb.append(Attribute.PUBLIC_KEY.composeWith(publicKey));
         return sb.toString();
     }
-
-    @Override
-    public void writeToParcel(final Parcel dest, final int flags) {
-        dest.writeTypedList(allowedIPsList);
-        dest.writeString(endpoint == null ? null : endpoint.getHostString());
-        dest.writeInt(endpoint == null ? 0 : endpoint.getPort());
-        dest.writeInt(persistentKeepalive);
-        dest.writeString(preSharedKey);
-        dest.writeString(publicKey);
-    }
 }
-- 
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