From d515b99796841f2209cc42336d9980ca03ee2e7e Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Wed, 8 Feb 2017 21:49:42 +0100
Subject: support aesgcm:// style urls

---
 src/main/java/de/pixart/messenger/entities/Message.java |  9 +++++++--
 .../pixart/messenger/http/AesGcmURLStreamHandler.java   | 17 +++++++++++++++++
 .../messenger/http/AesGcmURLStreamHandlerFactory.java   | 15 +++++++++++++++
 .../messenger/services/XmppConnectionService.java       |  6 ++++++
 4 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandler.java
 create mode 100644 src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandlerFactory.java

(limited to 'src')

diff --git a/src/main/java/de/pixart/messenger/entities/Message.java b/src/main/java/de/pixart/messenger/entities/Message.java
index bf53b3cd7..0936c86c8 100644
--- a/src/main/java/de/pixart/messenger/entities/Message.java
+++ b/src/main/java/de/pixart/messenger/entities/Message.java
@@ -9,6 +9,7 @@ import java.net.URL;
 
 import de.pixart.messenger.Config;
 import de.pixart.messenger.crypto.axolotl.FingerprintStatus;
+import de.pixart.messenger.http.AesGcmURLStreamHandler;
 import de.pixart.messenger.utils.CryptoHelper;
 import de.pixart.messenger.utils.GeoHelper;
 import de.pixart.messenger.utils.MimeUtils;
@@ -659,6 +660,12 @@ public class Message extends AbstractEntity {
         }
         try {
             URL url = new URL(body);
+            String ref = url.getRef();
+            final String protocol = url.getProtocol();
+            final boolean encrypted = ref != null && ref.matches("([A-Fa-f0-9]{2}){48}");
+            if (AesGcmURLStreamHandler.PROTOCOL_NAME.equalsIgnoreCase(protocol) && encrypted) {
+                return Decision.MUST;
+            }
             if (!url.getProtocol().equalsIgnoreCase("http") && !url.getProtocol().equalsIgnoreCase("https")) {
                 return Decision.NEVER;
             } else if (oob) {
@@ -668,8 +675,6 @@ public class Message extends AbstractEntity {
             if (extension == null) {
                 return Decision.NEVER;
             }
-            String ref = url.getRef();
-            boolean encrypted = ref != null && ref.matches("([A-Fa-f0-9]{2}){48}");
 
             if (encrypted) {
                 return Decision.MUST;
diff --git a/src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandler.java b/src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandler.java
new file mode 100644
index 000000000..64188c5db
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandler.java
@@ -0,0 +1,17 @@
+package de.pixart.messenger.http;
+
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLStreamHandler;
+
+
+public class AesGcmURLStreamHandler extends URLStreamHandler {
+
+    public static final String PROTOCOL_NAME = "aesgcm";
+
+    @Override
+    protected URLConnection openConnection(URL url) throws IOException {
+        return new URL("https"+url.toString().substring(url.getProtocol().length())).openConnection();
+    }
+}
diff --git a/src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandlerFactory.java b/src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandlerFactory.java
new file mode 100644
index 000000000..b5edd2f5a
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/http/AesGcmURLStreamHandlerFactory.java
@@ -0,0 +1,15 @@
+package de.pixart.messenger.http;
+
+import java.net.URLStreamHandler;
+import java.net.URLStreamHandlerFactory;
+
+public class AesGcmURLStreamHandlerFactory implements URLStreamHandlerFactory {
+    @Override
+    public URLStreamHandler createURLStreamHandler(String protocol) {
+        if (AesGcmURLStreamHandler.PROTOCOL_NAME.equals(protocol)) {
+            return new AesGcmURLStreamHandler();
+        } else {
+            return null;
+        }
+    }
+}
diff --git a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
index 5fe77667b..729079f2a 100644
--- a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
+++ b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
@@ -99,6 +99,7 @@ import de.pixart.messenger.generator.IqGenerator;
 import de.pixart.messenger.generator.MessageGenerator;
 import de.pixart.messenger.generator.PresenceGenerator;
 import de.pixart.messenger.http.HttpConnectionManager;
+import de.pixart.messenger.http.AesGcmURLStreamHandlerFactory;
 import de.pixart.messenger.parser.AbstractParser;
 import de.pixart.messenger.parser.IqParser;
 import de.pixart.messenger.parser.MessageParser;
@@ -143,9 +144,14 @@ import de.pixart.messenger.xmpp.stanzas.IqPacket;
 import de.pixart.messenger.xmpp.stanzas.MessagePacket;
 import de.pixart.messenger.xmpp.stanzas.PresencePacket;
 import me.leolin.shortcutbadger.ShortcutBadger;
+import java.net.URL;
 
 public class XmppConnectionService extends Service {
 
+    static {
+        URL.setURLStreamHandlerFactory(new AesGcmURLStreamHandlerFactory());
+    }
+
     public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
     public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
     public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
-- 
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