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Refactor group messaging protocol.

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// FREEBIE
This commit is contained in:
Moxie Marlinspike
2014-02-21 17:51:25 -08:00
parent b855f8a163
commit a6e1d56cde
18 changed files with 314 additions and 254 deletions
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45
src/org/thoughtcrime/securesms/util/GroupUtil.java
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@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.util;
import android.util.Log;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import org.whispersystems.textsecure.util.Base64;
import org.whispersystems.textsecure.util.Hex;
@@ -33,34 +34,32 @@ public class GroupUtil {
return groupId.startsWith(ENCODED_GROUP_PREFIX);
}
public static boolean isMetaGroupAction(int groupAction) {
return groupAction > 0
&& groupAction != GroupContext.Type.DELIVER_VALUE;
}
public static String serializeArguments(byte[] id, String name, List<String> members) {
return Base64.encodeBytes(GroupContext.newBuilder()
.setId(ByteString.copyFrom(id))
.setName(name)
.addAllMembers(members)
.build().toByteArray());
}
public static String serializeArguments(GroupContext context) {
return Base64.encodeBytes(context.toByteArray());
}
public static List<String> getSerializedArgumentMembers(String serialized) {
if (serialized == null) {
return new LinkedList<String>();
public static String getDescription(String encodedGroup) {
if (encodedGroup == null) {
return "Group updated.";
}
try {
GroupContext context = GroupContext.parseFrom(Base64.decode(serialized));
return context.getMembersList();
String description = "";
GroupContext context = GroupContext.parseFrom(Base64.decode(encodedGroup));
List<String> members = context.getMembersList();
String title = context.getName();
if (!members.isEmpty()) {
description += org.whispersystems.textsecure.util.Util.join(members, ", ") + " joined the group.";
}
if (title != null && !title.trim().isEmpty()) {
description += " Updated title to '" + title + "'.";
}
return description;
} catch (InvalidProtocolBufferException e) {
Log.w("GroupUtil", e);
return "Group updated.";
} catch (IOException e) {
Log.w("GroupUtil", e);
return new LinkedList<String>();
return "Group updated.";
}
}
}