From 22229d6b4312108144e1f132272dd9e9d848fdf7 Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Thu, 13 Apr 2017 21:24:52 +0200
Subject: treat URL as file if URL is in oob or contains key

---
 .../de/pixart/messenger/entities/Conversation.java |  2 +-
 .../java/de/pixart/messenger/entities/Message.java | 41 +++++-----------------
 2 files changed, 10 insertions(+), 33 deletions(-)

(limited to 'src/main/java/de/pixart/messenger/entities')

diff --git a/src/main/java/de/pixart/messenger/entities/Conversation.java b/src/main/java/de/pixart/messenger/entities/Conversation.java
index 4d9b96fde..a3811a751 100644
--- a/src/main/java/de/pixart/messenger/entities/Conversation.java
+++ b/src/main/java/de/pixart/messenger/entities/Conversation.java
@@ -181,7 +181,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
             for (final Message message : this.messages) {
                 if (message.getUuid().equals(uuid)
                         && message.getEncryption() != Message.ENCRYPTION_PGP
-                        && (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.treatAsDownloadable() != Message.Decision.NEVER)) {
+                        && (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.treatAsDownloadable())) {
                     return message;
                 }
             }
diff --git a/src/main/java/de/pixart/messenger/entities/Message.java b/src/main/java/de/pixart/messenger/entities/Message.java
index be30ced7a..89bd9069d 100644
--- a/src/main/java/de/pixart/messenger/entities/Message.java
+++ b/src/main/java/de/pixart/messenger/entities/Message.java
@@ -501,8 +501,8 @@ public class Message extends AbstractEntity {
                         this.getBody().length() + message.getBody().length() <= Config.MAX_DISPLAY_MESSAGE_CHARS &&
                         !GeoHelper.isGeoUri(message.getBody()) &&
                         !GeoHelper.isGeoUri(this.body) &&
-                        message.treatAsDownloadable() == Decision.NEVER &&
-                        this.treatAsDownloadable() == Decision.NEVER &&
+                        !message.treatAsDownloadable() &&
+                        !this.treatAsDownloadable() &&
                         !message.getBody().startsWith(ME_COMMAND) &&
                         !this.getBody().startsWith(ME_COMMAND) &&
                         !this.bodyIsHeart() &&
@@ -614,12 +614,6 @@ public class Message extends AbstractEntity {
         this.oob = isOob;
     }
 
-    public enum Decision {
-        MUST,
-        SHOULD,
-        NEVER,
-    }
-
     private static String extractRelevantExtension(URL url) {
         String path = url.getPath();
         return extractRelevantExtension(path);
@@ -662,37 +656,20 @@ public class Message extends AbstractEntity {
         }
     }
 
-    public Decision treatAsDownloadable() {
+    public boolean treatAsDownloadable() {
         if (body.trim().contains(" ")) {
-            return Decision.NEVER;
+            return false;
         }
         try {
-            URL url = new URL(body);
-            String ref = url.getRef();
+            final URL url = new URL(body);
+            final 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 || encrypted) {
-                return Decision.MUST;
-            }
-            final String extension = extractRelevantExtension(url);
-            if (extension == null
-                    || encryption == Message.ENCRYPTION_OTR
-                    || encryption == Message.ENCRYPTION_AXOLOTL) {
-                return Decision.NEVER;
-            } else if (Transferable.VALID_IMAGE_EXTENSIONS.contains(extension)
-                    || Transferable.WELL_KNOWN_EXTENSIONS.contains(extension)) {
-                return Decision.SHOULD;
-            } else {
-                return Decision.NEVER;
-            }
+            return (AesGcmURLStreamHandler.PROTOCOL_NAME.equalsIgnoreCase(protocol) && encrypted)
+                    || ((protocol.equalsIgnoreCase("http") || protocol.equalsIgnoreCase("https")) && (oob || encrypted));
 
         } catch (MalformedURLException e) {
-            return Decision.NEVER;
+            return false;
         }
     }
 
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