1 files changed, 22 insertions, 9 deletions

diff --git a/src/main/java/eu/siacs/conversations/entities/Message.java b/src/main/java/eu/siacs/conversations/entities/Message.java
index f463da54..c377ed4a 100644
--- a/src/main/java/eu/siacs/conversations/entities/Message.java
+++ b/src/main/java/eu/siacs/conversations/entities/Message.java
@@ -62,7 +62,7 @@ public class Message extends AbstractEntity {
 	protected String conversationUuid;
 	protected Jid counterpart;
 	protected Jid trueCounterpart;
-	protected String body;
+	private String body;
 	protected String encryptedBody;
 	protected long timeSent;
 	protected int encryption;
@@ -417,6 +417,14 @@ public class Message extends AbstractEntity {
 		return getBody().startsWith(ME_COMMAND);
 	}
 
+	public String getBodyReplacedMeCommand(String replaceString) {
+		try {
+			return getBody().replaceAll("^" + Message.ME_COMMAND, replaceString + " ");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			return getBody();
+		}
+	}
+
 	public boolean trusted() {
 		Contact contact = this.getContact();
 		return (status > STATUS_RECEIVED || (contact != null && contact.trusted()));
@@ -460,26 +468,31 @@ public class Message extends AbstractEntity {
 		NEVER,
 	}
 
-	private static String extractRelevantExtension(URL url) {
+	private String extractRelevantExtension(URL url) {
 		String path = url.getPath();
 		return extractRelevantExtension(path);
 	}
 
-	private static String extractRelevantExtension(String path) {
+	private String extractRelevantExtension(String path) {
 		if (path == null || path.isEmpty()) {
 			return null;
 		}
 		
 		String filename = path.substring(path.lastIndexOf('/') + 1).toLowerCase();
-		int dotPosition = filename.lastIndexOf(".");
 
-		if (dotPosition != -1) {
-			String extension = filename.substring(dotPosition + 1);
+		final int lastDotPosition = filename.lastIndexOf('.');
+		final int secondToLastDotPosition = filename.lastIndexOf('.', lastDotPosition - 1);
+		final String lastPart = lastDotPosition != -1 ?
+				filename.substring(lastDotPosition + 1) : "";
+		final String secondToLastPart = secondToLastDotPosition != -1 ?
+				filename.substring(secondToLastDotPosition + 1, lastDotPosition - 1) : "";
+
+		if (lastDotPosition != -1) {
 			// we want the real file extension, not the crypto one
-			if (Transferable.VALID_CRYPTO_EXTENSIONS.contains(extension)) {
-				return extractRelevantExtension(filename.substring(0,dotPosition));
+			if (secondToLastDotPosition != -1 && Transferable.VALID_CRYPTO_EXTENSIONS.contains(lastPart)) {
+				return secondToLastPart;
 			} else {
-				return extension;
+				return lastPart;
 			}
 		}
 		return null;