Store group info in json

src/main/java/cli/GroupInfo.java

@@ -0,0 +1,28 @@
+package cli;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class GroupInfo {
+    @JsonProperty
+    public final byte[] groupId;
+
+    @JsonProperty
+    public String name;
+
+    @JsonProperty
+    public List<String> members = new ArrayList<>();
+
+    @JsonProperty
+    public long avatarId;
+
+    public GroupInfo(@JsonProperty("groupId") byte[] groupId, @JsonProperty("name") String name, @JsonProperty("members") Collection<String> members, @JsonProperty("avatarId") long avatarId) {
+        this.groupId = groupId;
+        this.name = name;
+        this.members.addAll(members);
+        this.avatarId = avatarId;
+    }
+}

src/main/java/cli/JsonGroupStore.java

@@ -0,0 +1,50 @@
+package cli;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class JsonGroupStore {
+    @JsonProperty("groups")
+    @JsonSerialize(using = JsonGroupStore.MapToListSerializer.class)
+    @JsonDeserialize(using = JsonGroupStore.GroupsDeserializer.class)
+    private Map<String, GroupInfo> groups = new HashMap<>();
+
+    private static final ObjectMapper jsonProcessot = new ObjectMapper();
+
+    void updateGroup(GroupInfo group) {
+        groups.put(Base64.encodeBytes(group.groupId), group);
+    }
+
+    GroupInfo getGroup(byte[] groupId) {
+        return groups.get(Base64.encodeBytes(groupId));
+    }
+
+    public static class MapToListSerializer extends JsonSerializer<Map<?, ?>> {
+        @Override
+        public void serialize(final Map<?, ?> value, final JsonGenerator jgen, final SerializerProvider provider) throws IOException {
+            jgen.writeObject(value.values());
+        }
+    }
+
+    public static class GroupsDeserializer extends JsonDeserializer<Map<String, GroupInfo>> {
+        @Override
+        public Map<String, GroupInfo> deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
+            Map<String, GroupInfo> groups = new HashMap<>();
+            JsonNode node = jsonParser.getCodec().readTree(jsonParser);
+            for (JsonNode n : node) {
+                GroupInfo g = jsonProcessot.treeToValue(n, GroupInfo.class);
+                groups.put(Base64.encodeBytes(g.groupId), g);
+            }
+
+            return groups;
+        }
+    }
+}

src/main/java/cli/Main.java

@@ -262,15 +262,13 @@ public class Main {
         }
 
         @Override
-        public void handleMessage(TextSecureEnvelope envelope) {
+        public void handleMessage(TextSecureEnvelope envelope, TextSecureContent content, GroupInfo group) {
             System.out.println("Envelope from: " + envelope.getSource());
             System.out.println("Timestamp: " + envelope.getTimestamp());
 
             if (envelope.isReceipt()) {
                 System.out.println("Got receipt.");
             } else if (envelope.isWhisperMessage() | envelope.isPreKeyWhisperMessage()) {
-                TextSecureContent content = m.decryptMessage(envelope);
-
                 if (content == null) {
                     System.out.println("Failed to decrypt message.");
                 } else {
@@ -288,6 +286,10 @@ public class Main {
                             System.out.println("  Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
                             if (groupInfo.getName().isPresent()) {
                                 System.out.println("  Name: " + groupInfo.getName().get());
+                            } else if (group != null) {
+                                System.out.println("  Name: " + group.name);
+                            } else {
+                                System.out.println("  Name: <Unknown group>");
                             }
                             System.out.println("  Type: " + groupInfo.getType());
                             if (groupInfo.getMembers().isPresent()) {

src/main/java/cli/Manager.java

@@ -36,10 +36,7 @@ import org.whispersystems.textsecure.api.TextSecureMessagePipe;
 import org.whispersystems.textsecure.api.TextSecureMessageReceiver;
 import org.whispersystems.textsecure.api.TextSecureMessageSender;
 import org.whispersystems.textsecure.api.crypto.TextSecureCipher;
-import org.whispersystems.textsecure.api.messages.TextSecureAttachmentPointer;
+import org.whispersystems.textsecure.api.messages.*;
-import org.whispersystems.textsecure.api.messages.TextSecureContent;
-import org.whispersystems.textsecure.api.messages.TextSecureDataMessage;
-import org.whispersystems.textsecure.api.messages.TextSecureEnvelope;
 import org.whispersystems.textsecure.api.push.TextSecureAddress;
 import org.whispersystems.textsecure.api.push.TrustStore;
 import org.whispersystems.textsecure.api.push.exceptions.EncapsulatedExceptions;
@@ -75,6 +72,7 @@ class Manager {
 
     private JsonAxolotlStore axolotlStore;
     private TextSecureAccountManager accountManager;
+    private JsonGroupStore groupStore;
 
     public Manager(String username) {
         this.username = username;
@@ -107,7 +105,6 @@ class Manager {
         return node;
     }
 
-
     public void load() throws IOException, InvalidKeyException {
         JsonNode rootNode = jsonProcessot.readTree(new File(getFileName()));
 
@@ -128,6 +125,10 @@ class Manager {
         }
         axolotlStore = jsonProcessot.convertValue(getNotNullNode(rootNode, "axolotlStore"), JsonAxolotlStore.class); //new JsonAxolotlStore(in.getJSONObject("axolotlStore"));
         registered = getNotNullNode(rootNode, "registered").asBoolean();
+        JsonNode groupStoreNode = rootNode.get("groupStore");
+        if (groupStoreNode != null) {
+            groupStore = jsonProcessot.convertValue(groupStoreNode, JsonGroupStore.class);
+        }
         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password, USER_AGENT);
     }
 
@@ -140,6 +141,7 @@ class Manager {
                 .put("nextSignedPreKeyId", nextSignedPreKeyId)
                 .put("registered", registered)
                 .putPOJO("axolotlStore", axolotlStore)
+                .putPOJO("groupStore", groupStore)
         ;
         try {
             jsonProcessot.writeValue(new File(getFileName()), rootNode);
@@ -152,6 +154,7 @@ class Manager {
         IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
         int registrationId = KeyHelper.generateRegistrationId(false);
         axolotlStore = new JsonAxolotlStore(identityKey, registrationId);
+        groupStore = new JsonGroupStore();
         registered = false;
     }
 
@@ -262,7 +265,7 @@ class Manager {
     }
 
     public interface ReceiveMessageHandler {
-        void handleMessage(TextSecureEnvelope envelope);
+        void handleMessage(TextSecureEnvelope envelope, TextSecureContent decryptedContent, GroupInfo group);
     }
 
     public void receiveMessages(int timeoutSeconds, boolean returnOnTimeout, ReceiveMessageHandler handler) throws IOException {
@@ -274,9 +277,37 @@ class Manager {
 
             while (true) {
                 TextSecureEnvelope envelope;
+                TextSecureContent content = null;
+                GroupInfo group = null;
                 try {
                     envelope = messagePipe.read(timeoutSeconds, TimeUnit.SECONDS);
-                    handler.handleMessage(envelope);
+                    if (!envelope.isReceipt()) {
+                        content = decryptMessage(envelope);
+                        if (content != null) {
+                            if (content.getDataMessage().isPresent()) {
+                                TextSecureDataMessage message = content.getDataMessage().get();
+                                if (message.getGroupInfo().isPresent()) {
+                                    TextSecureGroup groupInfo = message.getGroupInfo().get();
+                                    switch (groupInfo.getType()) {
+                                        case UPDATE:
+                                            group = new GroupInfo(groupInfo.getGroupId(), groupInfo.getName().get(), groupInfo.getMembers().get(), groupInfo.getAvatar().get().asPointer().getId());
+                                            groupStore.updateGroup(group);
+                                            break;
+                                        case DELIVER:
+                                            group = groupStore.getGroup(groupInfo.getGroupId());
+                                            break;
+                                        case QUIT:
+                                            group = groupStore.getGroup(groupInfo.getGroupId());
+                                            if (group != null) {
+                                                group.members.remove(envelope.getSource());
+                                            }
+                                            break;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    handler.handleMessage(envelope, content, group);
                 } catch (TimeoutException e) {
                     if (returnOnTimeout)
                         return;