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Store incoming valid remote wipe messages in metadata, update test

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This commit is contained in:
ameba23
2021-05-07 17:21:12 +02:00
parent cfc705ca41
commit d9fe8d962f
2 changed files with 54 additions and 9 deletions
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13
briar-core/src/main/java/org/briarproject/briar/remotewipe/RemoteWipeConstants.java Normal file
View File

@@ -0,0 +1,13 @@
package org.briarproject.briar.remotewipe;
public interface RemoteWipeConstants {
// Group metadata keys
String GROUP_KEY_CONTACT_ID = "contactId";
String GROUP_KEY_WIPERS = "wipers";
String GROUP_KEY_RECEIVED_WIPE = "receivedWipe";
// Message metadata keys
String MSG_KEY_TIMESTAMP = "timestamp";
String MSG_KEY_MESSAGE_TYPE = "messageType";
String MSG_KEY_LOCAL = "local";
}

50
briar-core/src/main/java/org/briarproject/briar/remotewipe/RemoteWipeManagerImpl.java
View File

@@ -44,10 +44,13 @@ import javax.inject.Inject;
import static org.briarproject.briar.client.MessageTrackerConstants.MSG_KEY_READ;
import static org.briarproject.briar.remotewipe.MessageType.SETUP;
import static org.briarproject.briar.remotewipe.MessageType.WIPE;
import static org.briarproject.briar.socialbackup.SocialBackupConstants.GROUP_KEY_CONTACT_ID;
import static org.briarproject.briar.socialbackup.SocialBackupConstants.MSG_KEY_LOCAL;
import static org.briarproject.briar.socialbackup.SocialBackupConstants.MSG_KEY_MESSAGE_TYPE;
import static org.briarproject.briar.socialbackup.SocialBackupConstants.MSG_KEY_TIMESTAMP;
import static org.briarproject.briar.remotewipe.RemoteWipeConstants.GROUP_KEY_CONTACT_ID;
import static org.briarproject.briar.remotewipe.RemoteWipeConstants.GROUP_KEY_RECEIVED_WIPE;
import static org.briarproject.briar.remotewipe.RemoteWipeConstants.GROUP_KEY_WIPERS;
import static org.briarproject.briar.remotewipe.RemoteWipeConstants.MSG_KEY_LOCAL;
import static org.briarproject.briar.remotewipe.RemoteWipeConstants.MSG_KEY_MESSAGE_TYPE;
import static org.briarproject.briar.remotewipe.RemoteWipeConstants.MSG_KEY_TIMESTAMP;
public class RemoteWipeManagerImpl extends ConversationClientImpl
implements RemoteWipeManager, ContactManager.ContactHook,
@@ -60,6 +63,7 @@ public class RemoteWipeManagerImpl extends ConversationClientImpl
private final ContactManager contactManager;
private final MessageEncoder messageEncoder;
private final MessageParser messageParser;
private static int THRESHOLD = 2; // TODO
@Inject
protected RemoteWipeManagerImpl(
@@ -118,9 +122,25 @@ public class RemoteWipeManagerImpl extends ConversationClientImpl
// Check if contact is in list of wipers
if (findMessage(txn, m.getGroupId(), SETUP, true) != null) {
System.out.println("Got a wipe message from a wiper");
BdfDictionary existingMeta = clientHelper.getGroupMetadataAsDictionary(txn,
localGroup.getId());
BdfList receivedWipeMessages = existingMeta.getOptionalList(GROUP_KEY_RECEIVED_WIPE);
if (receivedWipeMessages == null) receivedWipeMessages = new BdfList();
// TODO filter the messages for old ones
if (receivedWipeMessages.size() + 1 == THRESHOLD) {
System.out.println("Threshold reached - panic!");
// we could here clear the metadata to allow us to send
// the wipe messages several times when testing
} else {
receivedWipeMessages.add(1); // TODO this should be the timestamp
BdfDictionary newMeta = new BdfDictionary();
newMeta.put(GROUP_KEY_RECEIVED_WIPE, receivedWipeMessages);
clientHelper.mergeGroupMetadata(txn, localGroup.getId(), newMeta);
}
}
// if so, increment counter
// check if counter = threshold
}
return false;
}
@@ -129,16 +149,28 @@ public class RemoteWipeManagerImpl extends ConversationClientImpl
throws DbException, FormatException {
// TODO if (we already have a set of wipers?) do something
if (wipers.size() < 2) throw new FormatException();
BdfList wipersMetadata = new BdfList();
for (ContactId c : wipers) {
Contact contact = contactManager.getContact(txn, c);
System.out.println("Sending a setup message...");
sendSetupMessage(txn, contactManager.getContact(txn, c));
sendSetupMessage(txn, contact);
wipersMetadata.add(clientHelper.toList(contact.getAuthor()));
}
System.out.println("All setup messages sent");
// Make a record of this locally
if (!db.containsGroup(txn, localGroup.getId()))
db.addGroup(txn, localGroup);
// TODO Make some sort of record of this
// clientHelper.mergeGroupMetadata(txn, localGroup.getId(), meta)
BdfDictionary meta = new BdfDictionary();
meta.put(GROUP_KEY_WIPERS, wipersMetadata);
if (!db.containsGroup(txn, localGroup.getId()))
db.addGroup(txn, localGroup);
clientHelper.mergeGroupMetadata(txn, localGroup.getId(), meta);
}
private void sendSetupMessage(Transaction txn, Contact contact)