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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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145
src/org/thoughtcrime/securesms/GroupCreateActivity.java
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@@ -337,6 +337,11 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
}
}
private void handleGroupUpdate() {
Log.w("GroupCreateActivity", "Creating...");
new UpdateWhisperGroupAsyncTask().execute();
}
private static List<String> recipientsToNormalizedStrings(Collection<Recipient> recipients, String localNumber) {
final List<String> e164numbers = new ArrayList<String>(recipients.size());
for (Recipient contact : recipients) {
@@ -349,63 +354,6 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
return e164numbers;
}
private void handleGroupUpdate() {
Log.i(TAG, "Updating group info.");
GroupDatabase db = DatabaseFactory.getGroupDatabase(this);
final String localNumber = TextSecurePreferences.getLocalNumber(this);
List<String> e164numbers = recipientsToNormalizedStrings(selectedContacts, localNumber);
if (selectedContacts.size() > 0) {
db.add(groupId, localNumber, e164numbers);
GroupContext context = GroupContext.newBuilder()
.setId(ByteString.copyFrom(groupId))
.setType(GroupContext.Type.ADD)
.addAllMembers(e164numbers)
.build();
OutgoingGroupMediaMessage outgoingMessage = new OutgoingGroupMediaMessage(this, groupRecipient, context, null);
try {
MessageSender.send(this, masterSecret, outgoingMessage, groupThread);
} catch (MmsException me) {
Log.w(TAG, "MmsException encountered when trying to add members to group.", me);
}
}
GroupContext.Builder builder = GroupContext.newBuilder()
.setId(ByteString.copyFrom(groupId))
.setType(GroupContext.Type.MODIFY);
boolean shouldSendUpdate = false;
final String title = groupName.getText().toString();
if (existingTitle == null || (groupName.getText() != null && !existingTitle.equals(title))) {
builder.setName(title);
db.updateTitle(groupId, title);
shouldSendUpdate = true;
}
byte[] avatarBytes = null;
if (existingAvatarBmp == null || !existingAvatarBmp.equals(avatarBmp)) {
if (avatarBmp != null) {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
avatarBmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
avatarBytes = stream.toByteArray();
}
db.updateAvatar(groupId, avatarBytes);
shouldSendUpdate = true;
}
if (shouldSendUpdate) {
GroupContext context = builder.build();
OutgoingGroupMediaMessage outgoingMessage = new OutgoingGroupMediaMessage(this, groupRecipient, context, avatarBytes);
try {
MessageSender.send(this, masterSecret, outgoingMessage, groupThread);
} catch (MmsException me) {
Log.w(TAG, "MmsException encountered when trying to add members to group.", me);
}
}
RecipientFactory.clearCache(groupRecipient.getPrimaryRecipient());
setResult(RESULT_OK, getIntent());
finish();
}
private void enableWhisperGroupCreatingUi() {
findViewById(R.id.group_details_layout).setVisibility(View.GONE);
findViewById(R.id.creating_group_layout).setVisibility(View.VISIBLE);
@@ -475,29 +423,56 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
}
}
private Pair<Long, Recipients> handleCreatePushGroup(String groupName,
byte[] avatar,
private Pair<Long, Recipients> handleCreatePushGroup(String groupName, byte[] avatar,
Set<Recipient> members)
throws InvalidNumberException, MmsException
{
GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(this);
byte[] groupId = groupDatabase.allocateGroupId();
GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(this);
byte[] groupId = groupDatabase.allocateGroupId();
List<String> memberE164Numbers = getE164Numbers(members);
groupDatabase.create(groupId, TextSecurePreferences.getLocalNumber(this), groupName,
memberE164Numbers, null, null);
groupDatabase.updateAvatar(groupId, avatar);
return handlePushOperation(groupId, groupName, avatar, memberE164Numbers);
}
private Pair<Long, Recipients> handleUpdatePushGroup(byte[] groupId, String groupName,
byte[] avatar, Set<Recipient> members)
throws InvalidNumberException, MmsException
{
GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(this);
List<String> memberE164Numbers = getE164Numbers(members);
GroupDatabase.GroupRecord record = groupDatabase.getGroup(groupId);
Set<String> newMembers = new HashSet<String>(memberE164Numbers);
newMembers.removeAll(record.getMembers());
groupDatabase.add(groupId, TextSecurePreferences.getLocalNumber(this),
new LinkedList<String>(newMembers));
groupDatabase.updateTitle(groupId, groupName);
groupDatabase.updateAvatar(groupId, avatar);
return handlePushOperation(groupId, groupName, avatar, memberE164Numbers);
}
private Pair<Long, Recipients> handlePushOperation(byte[] groupId, String groupName, byte[] avatar,
List<String> e164numbers)
throws MmsException, InvalidNumberException
{
try {
List<String> memberE164Numbers = getE164Numbers(members);
String groupRecipientId = GroupUtil.getEncodedId(groupId);
groupDatabase.create(groupId, TextSecurePreferences.getLocalNumber(this), groupName,
memberE164Numbers, null, null);
groupDatabase.updateAvatar(groupId, avatar);
Recipients groupRecipient = RecipientFactory.getRecipientsFromString(this, groupRecipientId, false);
String groupRecipientId = GroupUtil.getEncodedId(groupId);
Recipients groupRecipient = RecipientFactory.getRecipientsFromString(this, groupRecipientId, false);
GroupContext context = GroupContext.newBuilder()
.setId(ByteString.copyFrom(groupId))
.setType(GroupContext.Type.CREATE)
.setType(GroupContext.Type.UPDATE)
.setName(groupName)
.addAllMembers(memberE164Numbers)
.addAllMembers(e164numbers)
.build();
OutgoingGroupMediaMessage outgoingMessage = new OutgoingGroupMediaMessage(this, groupRecipient, context, avatar);
@@ -508,7 +483,6 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
throw new AssertionError(e);
} catch (MmsException e) {
Log.w(TAG, e);
groupDatabase.remove(groupId, TextSecurePreferences.getLocalNumber(this));
throw new MmsException(e);
}
}
@@ -588,6 +562,30 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
}
}
private class UpdateWhisperGroupAsyncTask extends AsyncTask<Void,Void,Pair<Long,Recipients>> {
private long RES_BAD_NUMBER = -2;
private long RES_MMS_EXCEPTION = -3;
@Override
protected Pair<Long, Recipients> doInBackground(Void... params) {
byte[] avatarBytes = null;
if (avatarBmp != null) {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
avatarBmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
avatarBytes = stream.toByteArray();
}
final String name = (groupName.getText() != null) ? groupName.getText().toString() : null;
try {
return handleUpdatePushGroup(groupId, name, avatarBytes, selectedContacts);
} catch (MmsException e) {
Log.w(TAG, e);
return new Pair<Long,Recipients>(RES_MMS_EXCEPTION, null);
} catch (InvalidNumberException e) {
Log.w(TAG, e);
return new Pair<Long,Recipients>(RES_BAD_NUMBER, null);
}
}
}
private class CreateWhisperGroupAsyncTask extends AsyncTask<Void,Void,Pair<Long,Recipients>> {
private long RES_BAD_NUMBER = -2;
private long RES_MMS_EXCEPTION = -3;
@@ -664,8 +662,7 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
existingContacts.addAll(recipientList);
}
}
final GroupDatabase.Reader groupReader = db.getGroup(groupId);
GroupDatabase.GroupRecord group = groupReader.getNext();
GroupDatabase.GroupRecord group = db.getGroup(groupId);
if (group != null) {
existingTitle = group.getTitle();
final byte[] existingAvatar = group.getAvatar();