Files
briar/briar-android-tests/src/test/java/org/briarproject/PrivateGroupManagerTest.java
2016-11-22 13:31:58 -02:00

541 lines
18 KiB
Java

package org.briarproject;
import org.briarproject.api.clients.MessageTracker.GroupCount;
import org.briarproject.api.contact.Contact;
import org.briarproject.api.data.BdfList;
import org.briarproject.api.db.Transaction;
import org.briarproject.api.privategroup.GroupMember;
import org.briarproject.api.privategroup.GroupMessage;
import org.briarproject.api.privategroup.GroupMessageHeader;
import org.briarproject.api.privategroup.JoinMessageHeader;
import org.briarproject.api.privategroup.PrivateGroup;
import org.briarproject.api.privategroup.PrivateGroupManager;
import org.briarproject.api.sync.GroupId;
import org.briarproject.api.sync.MessageId;
import org.junit.Before;
import org.junit.Test;
import java.util.Collection;
import static org.briarproject.TestUtils.getRandomBytes;
import static org.briarproject.api.identity.Author.Status.VERIFIED;
import static org.briarproject.api.privategroup.Visibility.INVISIBLE;
import static org.briarproject.api.privategroup.Visibility.REVEALED_BY_CONTACT;
import static org.briarproject.api.privategroup.Visibility.REVEALED_BY_US;
import static org.briarproject.api.privategroup.Visibility.VISIBLE;
import static org.briarproject.api.privategroup.invitation.GroupInvitationFactory.SIGNING_LABEL_INVITE;
import static org.briarproject.api.sync.Group.Visibility.SHARED;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class PrivateGroupManagerTest extends BriarIntegrationTest {
private PrivateGroup privateGroup0;
private GroupId groupId0;
private PrivateGroupManager groupManager0, groupManager1, groupManager2;
@Before
public void setUp() throws Exception {
super.setUp();
groupManager0 = c0.getPrivateGroupManager();
groupManager1 = c1.getPrivateGroupManager();
groupManager2 = c2.getPrivateGroupManager();
privateGroup0 =
privateGroupFactory.createPrivateGroup("Testgroup", author0);
groupId0 = privateGroup0.getId();
}
@Test
public void testSendingMessage() throws Exception {
addGroup();
// create and add test message
long time = clock.currentTimeMillis();
String body = "This is a test message!";
MessageId previousMsgId =
groupManager0.getPreviousMsgId(groupId0);
GroupMessage msg = groupMessageFactory
.createGroupMessage(groupId0, time, null, author0, body,
previousMsgId);
groupManager0.addLocalMessage(msg);
assertEquals(msg.getMessage().getId(),
groupManager0.getPreviousMsgId(groupId0));
// sync test message
sync0To1(1, true);
// assert that message arrived as expected
Collection<GroupMessageHeader> headers =
groupManager1.getHeaders(groupId0);
assertEquals(3, headers.size());
GroupMessageHeader header = null;
for (GroupMessageHeader h : headers) {
if (!(h instanceof JoinMessageHeader)) {
header = h;
}
}
assertTrue(header != null);
assertFalse(header.isRead());
assertEquals(author0, header.getAuthor());
assertEquals(time, header.getTimestamp());
assertEquals(VERIFIED, header.getAuthorStatus());
assertEquals(body, groupManager1.getMessageBody(header.getId()));
GroupCount count = groupManager1.getGroupCount(groupId0);
assertEquals(2, count.getUnreadCount());
assertEquals(time, count.getLatestMsgTime());
assertEquals(3, count.getMsgCount());
}
@Test
public void testMessageWithWrongPreviousMsgId() throws Exception {
addGroup();
// create and add test message with no previousMsgId
@SuppressWarnings("ConstantConditions")
GroupMessage msg = groupMessageFactory
.createGroupMessage(groupId0, clock.currentTimeMillis(), null,
author0, "test", null);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(2, groupManager1.getHeaders(groupId0).size());
// create and add test message with random previousMsgId
MessageId previousMsgId = new MessageId(TestUtils.getRandomId());
msg = groupMessageFactory
.createGroupMessage(groupId0, clock.currentTimeMillis(), null,
author0, "test", previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(2, groupManager1.getHeaders(groupId0).size());
// create and add test message with wrong previousMsgId
previousMsgId = groupManager1.getPreviousMsgId(groupId0);
msg = groupMessageFactory
.createGroupMessage(groupId0, clock.currentTimeMillis(), null,
author0, "test", previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(2, groupManager1.getHeaders(groupId0).size());
}
@Test
public void testMessageWithWrongParentMsgId() throws Exception {
addGroup();
// create and add test message with random parentMsgId
MessageId parentMsgId = new MessageId(TestUtils.getRandomId());
MessageId previousMsgId = groupManager0.getPreviousMsgId(groupId0);
GroupMessage msg = groupMessageFactory
.createGroupMessage(groupId0, clock.currentTimeMillis(),
parentMsgId, author0, "test", previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(2, groupManager1.getHeaders(groupId0).size());
// create and add test message with wrong parentMsgId
parentMsgId = previousMsgId;
msg = groupMessageFactory
.createGroupMessage(groupId0, clock.currentTimeMillis(),
parentMsgId, author0, "test", previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(2, groupManager1.getHeaders(groupId0).size());
}
@Test
public void testMessageWithWrongTimestamp() throws Exception {
addGroup();
// create and add test message with wrong timestamp
MessageId previousMsgId = groupManager0.getPreviousMsgId(groupId0);
GroupMessage msg = groupMessageFactory
.createGroupMessage(groupId0, 42, null, author0, "test",
previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(2, groupManager1.getHeaders(groupId0).size());
// create and add test message with good timestamp
long time = clock.currentTimeMillis();
msg = groupMessageFactory
.createGroupMessage(groupId0, time, null, author0, "test",
previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, true);
assertEquals(3, groupManager1.getHeaders(groupId0).size());
// create and add test message with same timestamp as previous message
previousMsgId = msg.getMessage().getId();
msg = groupMessageFactory
.createGroupMessage(groupId0, time, previousMsgId, author0,
"test2", previousMsgId);
groupManager0.addLocalMessage(msg);
// sync test message
sync0To1(1, false);
// assert that message did not arrive
assertEquals(3, groupManager1.getHeaders(groupId0).size());
}
@Test
public void testWrongJoinMessages1() throws Exception {
// author0 joins privateGroup0 with wrong join message
long joinTime = clock.currentTimeMillis();
GroupMessage joinMsg0 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author0,
joinTime, getRandomBytes(12));
groupManager0.addPrivateGroup(privateGroup0, joinMsg0, true);
assertEquals(joinMsg0.getMessage().getId(),
groupManager0.getPreviousMsgId(groupId0));
// share the group with 1
Transaction txn0 = db0.startTransaction(false);
db0.setGroupVisibility(txn0, contactId1From0, privateGroup0.getId(), SHARED);
db0.commitTransaction(txn0);
db0.endTransaction(txn0);
// author1 joins privateGroup0 with wrong timestamp
joinTime = clock.currentTimeMillis();
long inviteTime = joinTime;
Contact c1 = contactManager0.getContact(contactId1From0);
byte[] creatorSignature = groupInvitationFactory
.signInvitation(c1, privateGroup0.getId(), inviteTime,
author0.getPrivateKey());
GroupMessage joinMsg1 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author1,
inviteTime, creatorSignature);
groupManager1.addPrivateGroup(privateGroup0, joinMsg1, false);
assertEquals(joinMsg1.getMessage().getId(),
groupManager1.getPreviousMsgId(groupId0));
// share the group with 0
Transaction txn1 = db1.startTransaction(false);
db1.setGroupVisibility(txn1, contactId0From1, privateGroup0.getId(),
SHARED);
db1.commitTransaction(txn1);
db1.endTransaction(txn1);
// sync join messages
sync0To1(1, false);
// assert that 0 never joined the group from 1's perspective
assertEquals(1, groupManager1.getHeaders(groupId0).size());
sync1To0(1, false);
// assert that 1 never joined the group from 0's perspective
assertEquals(1, groupManager0.getHeaders(groupId0).size());
}
@Test
public void testWrongJoinMessages2() throws Exception {
// author0 joins privateGroup0 with wrong member's join message
long joinTime = clock.currentTimeMillis();
long inviteTime = joinTime - 1;
BdfList toSign = groupInvitationFactory
.createInviteToken(author0.getId(), author0.getId(),
privateGroup0.getId(), inviteTime);
byte[] creatorSignature = clientHelper
.sign(SIGNING_LABEL_INVITE, toSign, author0.getPrivateKey());
// join message should not include invite time and creator's signature
GroupMessage joinMsg0 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author0,
inviteTime, creatorSignature);
groupManager0.addPrivateGroup(privateGroup0, joinMsg0, true);
assertEquals(joinMsg0.getMessage().getId(),
groupManager0.getPreviousMsgId(groupId0));
// share the group with 1
Transaction txn0 = db0.startTransaction(false);
db0.setGroupVisibility(txn0, contactId1From0, privateGroup0.getId(), SHARED);
db0.commitTransaction(txn0);
db0.endTransaction(txn0);
// author1 joins privateGroup0 with wrong signature in join message
joinTime = clock.currentTimeMillis();
inviteTime = joinTime - 1;
// signature uses joiner's key, not creator's key
Contact c1 = contactManager0.getContact(contactId1From0);
creatorSignature = groupInvitationFactory
.signInvitation(c1, privateGroup0.getId(), inviteTime,
author1.getPrivateKey());
GroupMessage joinMsg1 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author1,
inviteTime, creatorSignature);
groupManager1.addPrivateGroup(privateGroup0, joinMsg1, false);
assertEquals(joinMsg1.getMessage().getId(),
groupManager1.getPreviousMsgId(groupId0));
// share the group with 0
Transaction txn1 = db1.startTransaction(false);
db1.setGroupVisibility(txn1, contactId0From1, privateGroup0.getId(), SHARED);
db1.commitTransaction(txn1);
db1.endTransaction(txn1);
// sync join messages
sync0To1(1, false);
// assert that 0 never joined the group from 1's perspective
assertEquals(1, groupManager1.getHeaders(groupId0).size());
sync1To0(1, false);
// assert that 1 never joined the group from 0's perspective
assertEquals(1, groupManager0.getHeaders(groupId0).size());
}
@Test
public void testGetMembers() throws Exception {
addGroup();
Collection<GroupMember> members0 = groupManager0.getMembers(groupId0);
assertEquals(2, members0.size());
for (GroupMember m : members0) {
if (m.getAuthor().equals(author0)) {
assertEquals(VISIBLE, m.getVisibility());
} else {
assertEquals(author1, m.getAuthor());
assertEquals(VISIBLE, m.getVisibility());
}
}
Collection<GroupMember> members1 = groupManager1.getMembers(groupId0);
assertEquals(2, members1.size());
for (GroupMember m : members1) {
if (m.getAuthor().equals(author1)) {
assertEquals(VISIBLE, m.getVisibility());
} else {
assertEquals(author0, m.getAuthor());
assertEquals(VISIBLE, m.getVisibility());
}
}
}
@Test
public void testJoinMessages() throws Exception {
addGroup();
Collection<GroupMessageHeader> headers0 =
groupManager0.getHeaders(groupId0);
for (GroupMessageHeader h : headers0) {
if (h instanceof JoinMessageHeader) {
JoinMessageHeader j = (JoinMessageHeader) h;
// all relationships of the creator are visible
assertEquals(VISIBLE, j.getVisibility());
}
}
Collection<GroupMessageHeader> headers1 =
groupManager1.getHeaders(groupId0);
for (GroupMessageHeader h : headers1) {
if (h instanceof JoinMessageHeader) {
JoinMessageHeader j = (JoinMessageHeader) h;
if (h.getAuthor().equals(author1))
// we are visible to ourselves
assertEquals(VISIBLE, j.getVisibility());
else
// our relationship to the creator is visible
assertEquals(VISIBLE, j.getVisibility());
}
}
}
@Test
public void testRevealingRelationships() throws Exception {
addGroup();
// share the group with 2
Transaction txn0 = db0.startTransaction(false);
db0.setGroupVisibility(txn0, contactId2From0, privateGroup0.getId(), SHARED);
db0.commitTransaction(txn0);
db0.endTransaction(txn0);
// author2 joins privateGroup0
long joinTime = clock.currentTimeMillis();
long inviteTime = joinTime - 1;
Contact c2 = contactManager0.getContact(contactId2From0);
byte[] creatorSignature = groupInvitationFactory
.signInvitation(c2, privateGroup0.getId(), inviteTime,
author0.getPrivateKey());
GroupMessage joinMsg2 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author2,
inviteTime, creatorSignature);
Transaction txn2 = db2.startTransaction(false);
groupManager2.addPrivateGroup(txn2, privateGroup0, joinMsg2, false);
// share the group with 0
db2.setGroupVisibility(txn2, contactId0From1, privateGroup0.getId(),
SHARED);
db2.commitTransaction(txn2);
db2.endTransaction(txn2);
// sync join messages
sync2To0(1, true);
sync0To2(2, true);
sync0To1(1, true);
// check that everybody sees everybody else as joined
Collection<GroupMember> members0 = groupManager0.getMembers(groupId0);
assertEquals(3, members0.size());
Collection<GroupMember> members1 = groupManager1.getMembers(groupId0);
assertEquals(3, members1.size());
Collection<GroupMember> members2 = groupManager2.getMembers(groupId0);
assertEquals(3, members2.size());
// assert that contact relationship is not revealed initially
for (GroupMember m : members1) {
if (m.getAuthor().equals(author2)) {
assertEquals(INVISIBLE, m.getVisibility());
}
}
for (GroupMember m : members2) {
if (m.getAuthor().equals(author1)) {
assertEquals(INVISIBLE, m.getVisibility());
}
}
// reveal contact relationship
Transaction txn1 = db1.startTransaction(false);
groupManager1
.relationshipRevealed(txn1, groupId0, author2.getId(), false);
db1.commitTransaction(txn1);
db1.endTransaction(txn1);
txn2 = db2.startTransaction(false);
groupManager2
.relationshipRevealed(txn2, groupId0, author1.getId(), true);
db2.commitTransaction(txn2);
db2.endTransaction(txn2);
// assert that contact relationship is now revealed properly
members1 = groupManager1.getMembers(groupId0);
for (GroupMember m : members1) {
if (m.getAuthor().equals(author2)) {
assertEquals(REVEALED_BY_US, m.getVisibility());
}
}
members2 = groupManager2.getMembers(groupId0);
for (GroupMember m : members2) {
if (m.getAuthor().equals(author1)) {
assertEquals(REVEALED_BY_CONTACT, m.getVisibility());
}
}
// assert that join messages reflect revealed relationship
Collection<GroupMessageHeader> headers1 =
groupManager1.getHeaders(groupId0);
for (GroupMessageHeader h : headers1) {
if (h instanceof JoinMessageHeader) {
JoinMessageHeader j = (JoinMessageHeader) h;
if (h.getAuthor().equals(author2))
// 1 revealed the relationship to 2
assertEquals(REVEALED_BY_US, j.getVisibility());
else
// 1's other relationship (to 1 and creator) are visible
assertEquals(VISIBLE, j.getVisibility());
}
}
Collection<GroupMessageHeader> headers2 =
groupManager2.getHeaders(groupId0);
for (GroupMessageHeader h : headers2) {
if (h instanceof JoinMessageHeader) {
JoinMessageHeader j = (JoinMessageHeader) h;
if (h.getAuthor().equals(author1))
// 2's relationship was revealed by 1
assertEquals(REVEALED_BY_CONTACT, j.getVisibility());
else
// 2's other relationship (to 2 and creator) are visible
assertEquals(VISIBLE, j.getVisibility());
}
}
}
@Test
public void testDissolveGroup() throws Exception {
addGroup();
// group is not dissolved initially
assertFalse(groupManager1.isDissolved(groupId0));
// creator dissolves group
Transaction txn1 = db1.startTransaction(false);
groupManager1.markGroupDissolved(txn1, groupId0);
db1.commitTransaction(txn1);
db1.endTransaction(txn1);
// group is dissolved now
assertTrue(groupManager1.isDissolved(groupId0));
}
private void addGroup() throws Exception {
// author0 joins privateGroup0
long joinTime = clock.currentTimeMillis();
GroupMessage joinMsg0 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author0);
groupManager0.addPrivateGroup(privateGroup0, joinMsg0, true);
assertEquals(joinMsg0.getMessage().getId(),
groupManager0.getPreviousMsgId(groupId0));
// share the group with 1
Transaction txn0 = db0.startTransaction(false);
db0.setGroupVisibility(txn0, contactId1From0, privateGroup0.getId(), SHARED);
db0.commitTransaction(txn0);
db0.endTransaction(txn0);
// author1 joins privateGroup0
joinTime = clock.currentTimeMillis();
long inviteTime = joinTime - 1;
Contact c1 = contactManager0.getContact(contactId1From0);
byte[] creatorSignature = groupInvitationFactory
.signInvitation(c1, privateGroup0.getId(), inviteTime,
author0.getPrivateKey());
GroupMessage joinMsg1 = groupMessageFactory
.createJoinMessage(privateGroup0.getId(), joinTime, author1,
inviteTime, creatorSignature);
groupManager1.addPrivateGroup(privateGroup0, joinMsg1, false);
// share the group with 0
Transaction txn1 = db1.startTransaction(false);
db1.setGroupVisibility(txn1, contactId0From1, privateGroup0.getId(),
SHARED);
db1.commitTransaction(txn1);
db1.endTransaction(txn1);
assertEquals(joinMsg1.getMessage().getId(),
groupManager1.getPreviousMsgId(groupId0));
// sync join messages
sync0To1(1, true);
sync1To0(1, true);
}
}