Support for server federation.

library/protobuf/IncomingPushMessageSignal.proto

@@ -6,9 +6,10 @@ option java_outer_classname = "PushMessageProtos";
 message IncomingPushMessageSignal {
   optional uint32 type = 1;
   optional string source = 2;
-  repeated string destinations = 3;
-  optional uint64 timestamp = 4;
-  optional bytes message = 5; // Contains an encrypted IncomingPushMessageContent
+  optional string relay = 3;
+  repeated string destinations = 4;
+  optional uint64 timestamp = 5;
+  optional bytes message = 6; // Contains an encrypted PushMessageContent
 }
 
 message PushMessageContent {

library/src/org/whispersystems/textsecure/Release.java

@@ -1,7 +1,7 @@
 package org.whispersystems.textsecure;
 
 public class Release {
-  public static final String PUSH_SERVICE_URL = "https://gcm.textsecure.whispersystems.org";
+  public static final String PUSH_SERVICE_URL = "https://federated.textsecure.whispersystems.org";
 //  public static final String PUSH_SERVICE_URL = "http://192.168.1.135:8080";
   public static final boolean ENFORCE_SSL     = true;
 }

library/src/org/whispersystems/textsecure/crypto/PreKeyUtil.java

@@ -132,6 +132,9 @@ public class PreKeyUtil {
   private static class PreKeyRecordIdComparator implements Comparator<String> {
     @Override
     public int compare(String lhs, String rhs) {
+      if      (lhs.equals(PreKeyIndex.FILE_NAME)) return -1;
+      else if (rhs.equals(PreKeyIndex.FILE_NAME)) return 1;
+
       try {
         long lhsLong = Long.parseLong(lhs);
         long rhsLong = Long.parseLong(rhs);

library/src/org/whispersystems/textsecure/directory/Directory.java

@@ -9,6 +9,7 @@ import android.net.Uri;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
 import android.util.Log;
 
+import org.whispersystems.textsecure.push.ContactTokenDetails;
 import org.whispersystems.textsecure.util.Base64;
 import org.whispersystems.textsecure.util.PhoneNumberFormatter;
 import org.whispersystems.textsecure.util.Util;
@@ -29,11 +30,15 @@ public class Directory {
   private static final String ID           = "_id";
   private static final String TOKEN        = "token";
   private static final String REGISTERED   = "registered";
+  private static final String RELAY        = "relay";
   private static final String SUPPORTS_SMS = "supports_sms";
   private static final String TIMESTAMP    = "timestamp";
   private static final String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME + "(" + ID + " INTEGER PRIMARY KEY, " +
-                                             TOKEN + " TEXT UNIQUE, " + REGISTERED + " INTEGER, " +
-                                             SUPPORTS_SMS + " INTEGER, " + TIMESTAMP + " INTEGER);";
+                                             TOKEN        + " TEXT UNIQUE, " +
+                                             REGISTERED   + " INTEGER, " +
+                                             RELAY        + " TEXT " +
+                                             SUPPORTS_SMS + " INTEGER, " +
+                                             TIMESTAMP    + " INTEGER);";
 
   private static Directory instance;
 
@@ -79,27 +84,49 @@ public class Directory {
     }
   }
 
-  public void setToken(String token, boolean active) {
+  public String getRelay(String e164number) {
+    String         token    = getToken(e164number);
+    SQLiteDatabase database = databaseHelper.getReadableDatabase();
+    Cursor         cursor   = null;
+
+    try {
+      cursor = database.query(TABLE_NAME, null, TOKEN + " = ?", new String[]{token}, null, null, null);
+
+      if (cursor != null && cursor.moveToFirst()) {
+        return cursor.getString(cursor.getColumnIndexOrThrow(RELAY));
+      }
+
+      return null;
+    } finally {
+      if (cursor != null)
+        cursor.close();
+    }
+  }
+
+  public void setToken(ContactTokenDetails token, boolean active) {
     SQLiteDatabase db     = databaseHelper.getWritableDatabase();
     ContentValues  values = new ContentValues();
-    values.put(TOKEN, token);
+    values.put(TOKEN, token.getToken());
+    values.put(RELAY, token.getRelay());
     values.put(REGISTERED, active ? 1 : 0);
+    values.put(SUPPORTS_SMS, token.isSupportsSms());
     values.put(TIMESTAMP, System.currentTimeMillis());
     db.replace(TABLE_NAME, null, values);
   }
 
-  public void setTokens(List<String> activeTokens, Collection<String> inactiveTokens) {
+  public void setTokens(List<ContactTokenDetails> activeTokens, Collection<String> inactiveTokens) {
     long timestamp    = System.currentTimeMillis();
     SQLiteDatabase db = databaseHelper.getWritableDatabase();
     db.beginTransaction();
 
     try {
-      for (String token : activeTokens) {
+      for (ContactTokenDetails token : activeTokens) {
         Log.w("Directory", "Adding active token: " + token);
         ContentValues values = new ContentValues();
-        values.put(TOKEN, token);
+        values.put(TOKEN, token.getToken());
         values.put(REGISTERED, 1);
         values.put(TIMESTAMP, timestamp);
+        values.put(RELAY, token.getRelay());
         db.replace(TABLE_NAME, null, values);
       }
 
@@ -125,7 +152,7 @@ public class Directory {
     try {
       cursor = context.getContentResolver().query(uri, new String[] {Phone.NUMBER}, null, null, null);
 
-      while (cursor.moveToNext()) {
+      while (cursor != null && cursor.moveToNext()) {
         String rawNumber = cursor.getString(0);
 
         if (rawNumber != null) {
@@ -134,12 +161,13 @@ public class Directory {
         }
       }
 
-      cursor.close();
+      if (cursor != null)
+        cursor.close();
 
       cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, new String[] {TOKEN},
                                                           null, null, null, null, null);
 
-      while (cursor.moveToNext()) {
+      while (cursor != null && cursor.moveToNext()) {
         results.add(cursor.getString(0));
       }
 

library/src/org/whispersystems/textsecure/push/ContactTokenDetails.java

@@ -0,0 +1,41 @@
+package org.whispersystems.textsecure.push;
+
+import com.google.thoughtcrimegson.Gson;
+
+public class ContactTokenDetails {
+
+  private String  token;
+  private String  relay;
+  private boolean supportsSms;
+
+  public ContactTokenDetails() {}
+
+  public ContactTokenDetails(String token) {
+    this.token = token;
+  }
+
+  public ContactTokenDetails(String token, String relay) {
+    this.token = token;
+    this.relay = relay;
+  }
+
+  public String getToken() {
+    return token;
+  }
+
+  public String getRelay() {
+    return relay;
+  }
+
+  public void setRelay(String relay) {
+    this.relay = relay;
+  }
+
+  public boolean isSupportsSms() {
+    return supportsSms;
+  }
+
+  public String toString() {
+    return new Gson().toJson(this);
+  }
+}

library/src/org/whispersystems/textsecure/push/ContactTokenDetailsList.java

@@ -0,0 +1,14 @@
+package org.whispersystems.textsecure.push;
+
+import java.util.List;
+
+public class ContactTokenDetailsList {
+
+  private List<ContactTokenDetails> contacts;
+
+  public ContactTokenDetailsList() {}
+
+  public List<ContactTokenDetails> getContacts() {
+    return contacts;
+  }
+}

library/src/org/whispersystems/textsecure/push/IncomingPushMessage.java

@@ -43,14 +43,16 @@ public class IncomingPushMessage implements PushMessage, Parcelable {
   private List<String> destinations;
   private byte[]       message;
   private long         timestamp;
+  private String       relay;
 
   private IncomingPushMessage(IncomingPushMessage message, byte[] body) {
     this.type         = message.type;
     this.source       = message.source;
+    this.timestamp    = message.timestamp;
+    this.relay        = message.relay;
+    this.message      = body;
     this.destinations = new LinkedList<String>();
     this.destinations.addAll(message.destinations);
-    this.message   = body;
-    this.timestamp = message.timestamp;
   }
 
   public IncomingPushMessage(IncomingPushMessageSignal signal) {
@@ -59,12 +61,18 @@ public class IncomingPushMessage implements PushMessage, Parcelable {
     this.destinations = signal.getDestinationsList();
     this.message      = signal.getMessage().toByteArray();
     this.timestamp    = signal.getTimestamp();
+    this.relay        = signal.getRelay();
   }
 
   public IncomingPushMessage(Parcel in) {
     this.destinations = new LinkedList<String>();
     this.type   = in.readInt();
     this.source = in.readString();
+
+    if (in.readInt() == 1) {
+      this.relay  = in.readString();
+    }
+
     in.readStringList(destinations);
     this.message = new byte[in.readInt()];
     in.readByteArray(this.message);
@@ -82,6 +90,10 @@ public class IncomingPushMessage implements PushMessage, Parcelable {
     this.timestamp    = timestamp;
   }
 
+  public String getRelay() {
+    return relay;
+  }
+
   public long getTimestampMillis() {
     return timestamp;
   }
@@ -107,6 +119,10 @@ public class IncomingPushMessage implements PushMessage, Parcelable {
   public void writeToParcel(Parcel dest, int flags) {
     dest.writeInt(type);
     dest.writeString(source);
+    dest.writeInt(relay == null ? 0 : 1);
+    if (relay != null) {
+      dest.writeString(relay);
+    }
     dest.writeStringList(destinations);
     dest.writeInt(message.length);
     dest.writeByteArray(message);

library/src/org/whispersystems/textsecure/push/OutgoingPushMessage.java

@@ -23,8 +23,14 @@ public class OutgoingPushMessage implements PushMessage {
   private int    type;
   private String destination;
   private String body;
+  private String relay;
 
   public OutgoingPushMessage(String destination, byte[] body, int type) {
+    this(null, destination, body, type);
+  }
+
+  public OutgoingPushMessage(String relay, String destination, byte[] body, int type) {
+    this.relay       = relay;
     this.destination = destination;
     this.body        = Base64.encodeBytes(body);
     this.type        = type;
@@ -41,4 +47,8 @@ public class OutgoingPushMessage implements PushMessage {
   public int getType() {
     return type;
   }
+
+  public String getRelay() {
+    return relay;
+  }
 }

library/src/org/whispersystems/textsecure/push/PushMessageProtos.java

@@ -19,16 +19,20 @@ public final class PushMessageProtos {
     boolean hasSource();
     String getSource();
     
-    // repeated string destinations = 3;
+    // optional string relay = 3;
+    boolean hasRelay();
+    String getRelay();
+    
+    // repeated string destinations = 4;
     java.util.List<String> getDestinationsList();
     int getDestinationsCount();
     String getDestinations(int index);
     
-    // optional uint64 timestamp = 4;
+    // optional uint64 timestamp = 5;
     boolean hasTimestamp();
     long getTimestamp();
     
-    // optional bytes message = 5;
+    // optional bytes message = 6;
     boolean hasMessage();
     com.google.protobuf.ByteString getMessage();
   }
@@ -103,8 +107,40 @@ public final class PushMessageProtos {
       }
     }
     
-    // repeated string destinations = 3;
-    public static final int DESTINATIONS_FIELD_NUMBER = 3;
+    // optional string relay = 3;
+    public static final int RELAY_FIELD_NUMBER = 3;
+    private java.lang.Object relay_;
+    public boolean hasRelay() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    public String getRelay() {
+      java.lang.Object ref = relay_;
+      if (ref instanceof String) {
+        return (String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        String s = bs.toStringUtf8();
+        if (com.google.protobuf.Internal.isValidUtf8(bs)) {
+          relay_ = s;
+        }
+        return s;
+      }
+    }
+    private com.google.protobuf.ByteString getRelayBytes() {
+      java.lang.Object ref = relay_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8((String) ref);
+        relay_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    
+    // repeated string destinations = 4;
+    public static final int DESTINATIONS_FIELD_NUMBER = 4;
     private com.google.protobuf.LazyStringList destinations_;
     public java.util.List<String>
         getDestinationsList() {
@@ -117,21 +153,21 @@ public final class PushMessageProtos {
       return destinations_.get(index);
     }
     
-    // optional uint64 timestamp = 4;
-    public static final int TIMESTAMP_FIELD_NUMBER = 4;
+    // optional uint64 timestamp = 5;
+    public static final int TIMESTAMP_FIELD_NUMBER = 5;
     private long timestamp_;
     public boolean hasTimestamp() {
-      return ((bitField0_ & 0x00000004) == 0x00000004);
+      return ((bitField0_ & 0x00000008) == 0x00000008);
     }
     public long getTimestamp() {
       return timestamp_;
     }
     
-    // optional bytes message = 5;
-    public static final int MESSAGE_FIELD_NUMBER = 5;
+    // optional bytes message = 6;
+    public static final int MESSAGE_FIELD_NUMBER = 6;
     private com.google.protobuf.ByteString message_;
     public boolean hasMessage() {
-      return ((bitField0_ & 0x00000008) == 0x00000008);
+      return ((bitField0_ & 0x00000010) == 0x00000010);
     }
     public com.google.protobuf.ByteString getMessage() {
       return message_;
@@ -140,6 +176,7 @@ public final class PushMessageProtos {
     private void initFields() {
       type_ = 0;
       source_ = "";
+      relay_ = "";
       destinations_ = com.google.protobuf.LazyStringArrayList.EMPTY;
       timestamp_ = 0L;
       message_ = com.google.protobuf.ByteString.EMPTY;
@@ -162,14 +199,17 @@ public final class PushMessageProtos {
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
         output.writeBytes(2, getSourceBytes());
       }
-      for (int i = 0; i < destinations_.size(); i++) {
-        output.writeBytes(3, destinations_.getByteString(i));
-      }
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeUInt64(4, timestamp_);
+        output.writeBytes(3, getRelayBytes());
+      }
+      for (int i = 0; i < destinations_.size(); i++) {
+        output.writeBytes(4, destinations_.getByteString(i));
       }
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
-        output.writeBytes(5, message_);
+        output.writeUInt64(5, timestamp_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeBytes(6, message_);
       }
       getUnknownFields().writeTo(output);
     }
@@ -188,6 +228,10 @@ public final class PushMessageProtos {
         size += com.google.protobuf.CodedOutputStream
           .computeBytesSize(2, getSourceBytes());
       }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(3, getRelayBytes());
+      }
       {
         int dataSize = 0;
         for (int i = 0; i < destinations_.size(); i++) {
@@ -197,13 +241,13 @@ public final class PushMessageProtos {
         size += dataSize;
         size += 1 * getDestinationsList().size();
       }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeUInt64Size(4, timestamp_);
+          .computeUInt64Size(5, timestamp_);
       }
-      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
         size += com.google.protobuf.CodedOutputStream
-          .computeBytesSize(5, message_);
+          .computeBytesSize(6, message_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
@@ -333,12 +377,14 @@ public final class PushMessageProtos {
         bitField0_ = (bitField0_ & ~0x00000001);
         source_ = "";
         bitField0_ = (bitField0_ & ~0x00000002);
-        destinations_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+        relay_ = "";
         bitField0_ = (bitField0_ & ~0x00000004);
-        timestamp_ = 0L;
+        destinations_ = com.google.protobuf.LazyStringArrayList.EMPTY;
         bitField0_ = (bitField0_ & ~0x00000008);
-        message_ = com.google.protobuf.ByteString.EMPTY;
+        timestamp_ = 0L;
         bitField0_ = (bitField0_ & ~0x00000010);
+        message_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000020);
         return this;
       }
       
@@ -385,19 +431,23 @@ public final class PushMessageProtos {
           to_bitField0_ |= 0x00000002;
         }
         result.source_ = source_;
-        if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
+          to_bitField0_ |= 0x00000004;
+        }
+        result.relay_ = relay_;
+        if (((bitField0_ & 0x00000008) == 0x00000008)) {
           destinations_ = new com.google.protobuf.UnmodifiableLazyStringList(
               destinations_);
-          bitField0_ = (bitField0_ & ~0x00000004);
+          bitField0_ = (bitField0_ & ~0x00000008);
         }
         result.destinations_ = destinations_;
-        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
-          to_bitField0_ |= 0x00000004;
-        }
-        result.timestamp_ = timestamp_;
         if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
           to_bitField0_ |= 0x00000008;
         }
+        result.timestamp_ = timestamp_;
+        if (((from_bitField0_ & 0x00000020) == 0x00000020)) {
+          to_bitField0_ |= 0x00000010;
+        }
         result.message_ = message_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
@@ -421,10 +471,13 @@ public final class PushMessageProtos {
         if (other.hasSource()) {
           setSource(other.getSource());
         }
+        if (other.hasRelay()) {
+          setRelay(other.getRelay());
+        }
         if (!other.destinations_.isEmpty()) {
           if (destinations_.isEmpty()) {
             destinations_ = other.destinations_;
-            bitField0_ = (bitField0_ & ~0x00000004);
+            bitField0_ = (bitField0_ & ~0x00000008);
           } else {
             ensureDestinationsIsMutable();
             destinations_.addAll(other.destinations_);
@@ -479,17 +532,22 @@ public final class PushMessageProtos {
               break;
             }
             case 26: {
+              bitField0_ |= 0x00000004;
+              relay_ = input.readBytes();
+              break;
+            }
+            case 34: {
               ensureDestinationsIsMutable();
               destinations_.add(input.readBytes());
               break;
             }
-            case 32: {
-              bitField0_ |= 0x00000008;
+            case 40: {
+              bitField0_ |= 0x00000010;
               timestamp_ = input.readUInt64();
               break;
             }
-            case 42: {
-              bitField0_ |= 0x00000010;
+            case 50: {
+              bitField0_ |= 0x00000020;
               message_ = input.readBytes();
               break;
             }
@@ -556,12 +614,48 @@ public final class PushMessageProtos {
         onChanged();
       }
       
-      // repeated string destinations = 3;
+      // optional string relay = 3;
+      private java.lang.Object relay_ = "";
+      public boolean hasRelay() {
+        return ((bitField0_ & 0x00000004) == 0x00000004);
+      }
+      public String getRelay() {
+        java.lang.Object ref = relay_;
+        if (!(ref instanceof String)) {
+          String s = ((com.google.protobuf.ByteString) ref).toStringUtf8();
+          relay_ = s;
+          return s;
+        } else {
+          return (String) ref;
+        }
+      }
+      public Builder setRelay(String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000004;
+        relay_ = value;
+        onChanged();
+        return this;
+      }
+      public Builder clearRelay() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        relay_ = getDefaultInstance().getRelay();
+        onChanged();
+        return this;
+      }
+      void setRelay(com.google.protobuf.ByteString value) {
+        bitField0_ |= 0x00000004;
+        relay_ = value;
+        onChanged();
+      }
+      
+      // repeated string destinations = 4;
       private com.google.protobuf.LazyStringList destinations_ = com.google.protobuf.LazyStringArrayList.EMPTY;
       private void ensureDestinationsIsMutable() {
-        if (!((bitField0_ & 0x00000004) == 0x00000004)) {
+        if (!((bitField0_ & 0x00000008) == 0x00000008)) {
           destinations_ = new com.google.protobuf.LazyStringArrayList(destinations_);
-          bitField0_ |= 0x00000004;
+          bitField0_ |= 0x00000008;
          }
       }
       public java.util.List<String>
@@ -602,7 +696,7 @@ public final class PushMessageProtos {
       }
       public Builder clearDestinations() {
         destinations_ = com.google.protobuf.LazyStringArrayList.EMPTY;
-        bitField0_ = (bitField0_ & ~0x00000004);
+        bitField0_ = (bitField0_ & ~0x00000008);
         onChanged();
         return this;
       }
@@ -612,31 +706,31 @@ public final class PushMessageProtos {
         onChanged();
       }
       
-      // optional uint64 timestamp = 4;
+      // optional uint64 timestamp = 5;
       private long timestamp_ ;
       public boolean hasTimestamp() {
-        return ((bitField0_ & 0x00000008) == 0x00000008);
+        return ((bitField0_ & 0x00000010) == 0x00000010);
       }
       public long getTimestamp() {
         return timestamp_;
       }
       public Builder setTimestamp(long value) {
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000010;
         timestamp_ = value;
         onChanged();
         return this;
       }
       public Builder clearTimestamp() {
-        bitField0_ = (bitField0_ & ~0x00000008);
+        bitField0_ = (bitField0_ & ~0x00000010);
         timestamp_ = 0L;
         onChanged();
         return this;
       }
       
-      // optional bytes message = 5;
+      // optional bytes message = 6;
       private com.google.protobuf.ByteString message_ = com.google.protobuf.ByteString.EMPTY;
       public boolean hasMessage() {
-        return ((bitField0_ & 0x00000010) == 0x00000010);
+        return ((bitField0_ & 0x00000020) == 0x00000020);
       }
       public com.google.protobuf.ByteString getMessage() {
         return message_;
@@ -645,13 +739,13 @@ public final class PushMessageProtos {
         if (value == null) {
     throw new NullPointerException();
   }
-  bitField0_ |= 0x00000010;
+  bitField0_ |= 0x00000020;
         message_ = value;
         onChanged();
         return this;
       }
       public Builder clearMessage() {
-        bitField0_ = (bitField0_ & ~0x00000010);
+        bitField0_ = (bitField0_ & ~0x00000020);
         message_ = getDefaultInstance().getMessage();
         onChanged();
         return this;
@@ -1833,15 +1927,16 @@ public final class PushMessageProtos {
   static {
     java.lang.String[] descriptorData = {
       "\n\037IncomingPushMessageSignal.proto\022\ntexts" +
-      "ecure\"s\n\031IncomingPushMessageSignal\022\014\n\004ty" +
-      "pe\030\001 \001(\r\022\016\n\006source\030\002 \001(\t\022\024\n\014destinations" +
-      "\030\003 \003(\t\022\021\n\ttimestamp\030\004 \001(\004\022\017\n\007message\030\005 \001" +
-      "(\014\"\254\001\n\022PushMessageContent\022\014\n\004body\030\001 \001(\t\022" +
-      "E\n\013attachments\030\002 \003(\01320.textsecure.PushMe" +
-      "ssageContent.AttachmentPointer\032A\n\021Attach" +
-      "mentPointer\022\n\n\002id\030\001 \001(\006\022\023\n\013contentType\030\002" +
-      " \001(\t\022\013\n\003key\030\003 \001(\014B7\n\"org.whispersystems." +
-      "textsecure.pushB\021PushMessageProtos"
+      "ecure\"\202\001\n\031IncomingPushMessageSignal\022\014\n\004t" +
+      "ype\030\001 \001(\r\022\016\n\006source\030\002 \001(\t\022\r\n\005relay\030\003 \001(\t" +
+      "\022\024\n\014destinations\030\004 \003(\t\022\021\n\ttimestamp\030\005 \001(" +
+      "\004\022\017\n\007message\030\006 \001(\014\"\254\001\n\022PushMessageConten" +
+      "t\022\014\n\004body\030\001 \001(\t\022E\n\013attachments\030\002 \003(\01320.t" +
+      "extsecure.PushMessageContent.AttachmentP" +
+      "ointer\032A\n\021AttachmentPointer\022\n\n\002id\030\001 \001(\006\022" +
+      "\023\n\013contentType\030\002 \001(\t\022\013\n\003key\030\003 \001(\014B7\n\"org" +
+      ".whispersystems.textsecure.pushB\021PushMes",
+      "sageProtos"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
       new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -1853,7 +1948,7 @@ public final class PushMessageProtos {
           internal_static_textsecure_IncomingPushMessageSignal_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_textsecure_IncomingPushMessageSignal_descriptor,
-              new java.lang.String[] { "Type", "Source", "Destinations", "Timestamp", "Message", },
+              new java.lang.String[] { "Type", "Source", "Relay", "Destinations", "Timestamp", "Message", },
               org.whispersystems.textsecure.push.PushMessageProtos.IncomingPushMessageSignal.class,
               org.whispersystems.textsecure.push.PushMessageProtos.IncomingPushMessageSignal.Builder.class);
           internal_static_textsecure_PushMessageContent_descriptor =

library/src/org/whispersystems/textsecure/push/PushServiceSocket.java

@@ -5,6 +5,7 @@ import android.util.Log;
 import android.util.Pair;
 
 import com.google.thoughtcrimegson.Gson;
+
 import org.whispersystems.textsecure.R;
 import org.whispersystems.textsecure.Release;
 import org.whispersystems.textsecure.crypto.IdentityKey;
@@ -12,9 +13,6 @@ import org.whispersystems.textsecure.storage.PreKeyRecord;
 import org.whispersystems.textsecure.util.Base64;
 import org.whispersystems.textsecure.util.Util;
 
-import javax.net.ssl.HttpsURLConnection;
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManagerFactory;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -34,6 +32,10 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManagerFactory;
+
 public class PushServiceSocket {
 
   private static final String CREATE_ACCOUNT_SMS_PATH   = "/v1/accounts/sms/code/%s";
@@ -78,28 +80,31 @@ public class PushServiceSocket {
     makeRequest(REGISTER_GCM_PATH, "DELETE", null);
   }
 
-  public void sendMessage(String recipient, byte[] body, int type)
+  public void sendMessage(String relay, String recipient, byte[] body, int type)
       throws IOException
   {
-    OutgoingPushMessage message = new OutgoingPushMessage(recipient, body, type);
+    OutgoingPushMessage message = new OutgoingPushMessage(relay, recipient, body, type);
     sendMessage(new OutgoingPushMessageList(message));
   }
 
-  public void sendMessage(List<String> recipients, List<byte[]> bodies, List<Integer> types)
+  public void sendMessage(List<String> relays, List<String> recipients,
+                          List<byte[]> bodies, List<Integer> types)
       throws IOException
   {
     List<OutgoingPushMessage> messages = new LinkedList<OutgoingPushMessage>();
 
+    Iterator<String>  relaysIterator     = relays.iterator();
     Iterator<String>  recipientsIterator = recipients.iterator();
     Iterator<byte[]>  bodiesIterator     = bodies.iterator();
     Iterator<Integer> typesIterator      = types.iterator();
 
     while (recipientsIterator.hasNext()) {
+      String relay     = relaysIterator.next();
       String recipient = recipientsIterator.next();
       byte[] body      = bodiesIterator.next();
       int    type      = typesIterator.next();
 
-      messages.add(new OutgoingPushMessage(recipient, body, type));
+      messages.add(new OutgoingPushMessage(relay, recipient, body, type));
     }
 
     sendMessage(new OutgoingPushMessageList(messages));
@@ -134,8 +139,14 @@ public class PushServiceSocket {
      makeRequest(String.format(PREKEY_PATH, ""), "PUT", PreKeyList.toJson(new PreKeyList(lastResortEntity, entities)));
   }
 
-  public PreKeyEntity getPreKey(String number) throws IOException {
-    String responseText = makeRequest(String.format(PREKEY_PATH, number), "GET", null);
+  public PreKeyEntity getPreKey(String number, String relay) throws IOException {
+    String path = String.format(PREKEY_PATH, number);
+
+    if (relay != null) {
+      path = path + "?relay=" + relay;
+    }
+
+    String responseText = makeRequest(path, "GET", null);
     Log.w("PushServiceSocket", "Got prekey: " + responseText);
     return PreKeyEntity.fromJson(responseText);
   }
@@ -170,11 +181,11 @@ public class PushServiceSocket {
     return attachment;
   }
 
-  public List<String> retrieveDirectory(Set<String> contactTokens) {
+  public List<ContactTokenDetails> retrieveDirectory(Set<String> contactTokens) {
     try {
-      ContactTokenList contactTokenList = new ContactTokenList(new LinkedList(contactTokens));
-      String           response         = makeRequest(DIRECTORY_TOKENS_PATH, "PUT", new Gson().toJson(contactTokenList));
-      ContactTokenList activeTokens     = new Gson().fromJson(response, ContactTokenList.class);
+      ContactTokenList        contactTokenList = new ContactTokenList(new LinkedList(contactTokens));
+      String                  response         = makeRequest(DIRECTORY_TOKENS_PATH, "PUT", new Gson().toJson(contactTokenList));
+      ContactTokenDetailsList activeTokens     = new Gson().fromJson(response, ContactTokenDetailsList.class);
 
       return activeTokens.getContacts();
     } catch (IOException ioe) {
@@ -183,12 +194,12 @@ public class PushServiceSocket {
     }
   }
 
-  public boolean isRegisteredUser(String contactToken) throws IOException {
+  public ContactTokenDetails getContactTokenDetails(String contactToken) throws IOException {
     try {
-      makeRequest(String.format(DIRECTORY_VERIFY_PATH, contactToken), "GET", null);
-      return true;
+      String response = makeRequest(String.format(DIRECTORY_VERIFY_PATH, contactToken), "GET", null);
+      return new Gson().fromJson(response, ContactTokenDetails.class);
     } catch (NotFoundException nfe) {
-      return false;
+      return null;
     }
   }
 
@@ -311,6 +322,9 @@ public class PushServiceSocket {
       context.init(null, trustManagerFactory.getTrustManagers(), null);
 
       URL url = new URL(String.format("%s%s", Release.PUSH_SERVICE_URL, urlFragment));
+      Log.w("PushServiceSocket", "Push service URL: " + Release.PUSH_SERVICE_URL);
+      Log.w("PushServiceSocket", "Opening URL: " + url);
+
       HttpURLConnection connection = (HttpURLConnection)url.openConnection();
 
       if (Release.ENFORCE_SSL) {

src/org/thoughtcrime/securesms/gcm/GcmIntentService.java

@@ -10,6 +10,8 @@ import org.thoughtcrime.securesms.service.SendReceiveService;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.textsecure.crypto.InvalidVersionException;
 import org.whispersystems.textsecure.directory.Directory;
+import org.whispersystems.textsecure.directory.NotInDirectoryException;
+import org.whispersystems.textsecure.push.ContactTokenDetails;
 import org.whispersystems.textsecure.push.IncomingEncryptedPushMessage;
 import org.whispersystems.textsecure.push.IncomingPushMessage;
 import org.whispersystems.textsecure.push.PushServiceSocket;
@@ -59,13 +61,16 @@ public class GcmIntentService extends GCMBaseIntentService {
       IncomingEncryptedPushMessage encryptedMessage = new IncomingEncryptedPushMessage(data, sessionKey);
       IncomingPushMessage          message          = encryptedMessage.getIncomingPushMessage();
 
+      if (!isActiveNumber(context, message.getSource())) {
+        Directory           directory           = Directory.getInstance(context);
+        String              contactToken        = directory.getToken(message.getSource());
+        ContactTokenDetails contactTokenDetails = new ContactTokenDetails(contactToken, message.getRelay());
+        directory.setToken(contactTokenDetails, true);
+      }
+
       Intent service = new Intent(context, SendReceiveService.class);
       service.setAction(SendReceiveService.RECEIVE_PUSH_ACTION);
       service.putExtra("message", message);
-
-      Directory directory = Directory.getInstance(context);
-      directory.setToken(directory.getToken(message.getSource()), true);
-
       context.startService(service);
     } catch (IOException e) {
       Log.w("GcmIntentService", e);
@@ -84,4 +89,16 @@ public class GcmIntentService extends GCMBaseIntentService {
     String password    = TextSecurePreferences.getPushServerPassword(context);
     return new PushServiceSocket(context, localNumber, password);
   }
+
+  private boolean isActiveNumber(Context context, String e164number) {
+    boolean isActiveNumber;
+
+    try {
+      isActiveNumber = Directory.getInstance(context).isActiveNumber(e164number);
+    } catch (NotInDirectoryException e) {
+      isActiveNumber = false;
+    }
+
+    return isActiveNumber;
+  }
 }

src/org/thoughtcrime/securesms/service/DirectoryRefreshService.java

@@ -10,6 +10,7 @@ import android.util.Log;
 
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.textsecure.directory.Directory;
+import org.whispersystems.textsecure.push.ContactTokenDetails;
 import org.whispersystems.textsecure.push.PushServiceSocket;
 
 import java.util.List;
@@ -61,11 +62,14 @@ public class DirectoryRefreshService extends Service {
         String            password    = TextSecurePreferences.getPushServerPassword(context);
         PushServiceSocket socket      = new PushServiceSocket(context, localNumber, password);
 
-        Set<String>  eligibleContactTokens = directory.getPushEligibleContactTokens(localNumber);
-        List<String> activeTokens          = socket.retrieveDirectory(eligibleContactTokens);
+        Set<String> eligibleContactTokens = directory.getPushEligibleContactTokens(localNumber);
+        List<ContactTokenDetails> activeTokens  = socket.retrieveDirectory(eligibleContactTokens);
 
         if (activeTokens != null) {
-          eligibleContactTokens.removeAll(activeTokens);
+          for (ContactTokenDetails activeToken : activeTokens) {
+            eligibleContactTokens.remove(activeToken.getToken());
+          }
+
           directory.setTokens(activeTokens, eligibleContactTokens);
         }
 

src/org/thoughtcrime/securesms/service/RegistrationService.java

@@ -20,6 +20,7 @@ import org.whispersystems.textsecure.crypto.IdentityKey;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.whispersystems.textsecure.crypto.PreKeyUtil;
 import org.whispersystems.textsecure.directory.Directory;
+import org.whispersystems.textsecure.push.ContactTokenDetails;
 import org.whispersystems.textsecure.push.PushServiceSocket;
 import org.whispersystems.textsecure.storage.PreKeyRecord;
 import org.whispersystems.textsecure.util.Util;
@@ -282,11 +283,13 @@ public class RegistrationService extends Service {
     String gcmRegistrationId = waitForGcmRegistrationId();
     socket.registerGcmId(gcmRegistrationId);
 
-    Set<String> contactTokens = Directory.getInstance(this).getPushEligibleContactTokens(number);
-    List<String> activeTokens = socket.retrieveDirectory(contactTokens);
+    Set<String>               contactTokens = Directory.getInstance(this).getPushEligibleContactTokens(number);
+    List<ContactTokenDetails> activeTokens  = socket.retrieveDirectory(contactTokens);
 
     if (activeTokens != null) {
-      contactTokens.removeAll(activeTokens);
+      for (ContactTokenDetails activeToken : activeTokens) {
+        contactTokens.remove(activeToken.getToken());
+      }
       Directory.getInstance(this).setTokens(activeTokens, contactTokens);
     }
 

src/org/thoughtcrime/securesms/transport/PushTransport.java

@@ -22,6 +22,7 @@ import org.whispersystems.textsecure.crypto.KeyUtil;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.whispersystems.textsecure.crypto.MessageCipher;
 import org.whispersystems.textsecure.crypto.protocol.PreKeyBundleMessage;
+import org.whispersystems.textsecure.directory.Directory;
 import org.whispersystems.textsecure.push.OutgoingPushMessage;
 import org.whispersystems.textsecure.push.PreKeyEntity;
 import org.whispersystems.textsecure.push.PushAttachmentData;
@@ -61,12 +62,12 @@ public class PushTransport extends BaseTransport {
       String                     plaintextBody            = message.getBody().getBody();
       PushMessageContent.Builder builder                  = PushMessageContent.newBuilder();
       byte[]                     plaintext                = builder.setBody(plaintextBody).build().toByteArray();
-      String                     recipientCanonicalNumber = PhoneNumberFormatter.formatNumber(recipient.getNumber(),
-                                                                                              localNumber);
+      String                     recipientCanonicalNumber = PhoneNumberFormatter.formatNumber(recipient.getNumber(), localNumber);
+      String                     relay                    = Directory.getInstance(context).getRelay(recipientCanonicalNumber);
 
       Pair<Integer, byte[]> typeAndCiphertext = getEncryptedMessage(socket, recipient, recipientCanonicalNumber, plaintext);
 
-      socket.sendMessage(recipientCanonicalNumber, typeAndCiphertext.second, typeAndCiphertext.first);
+      socket.sendMessage(relay, recipientCanonicalNumber, typeAndCiphertext.second, typeAndCiphertext.first);
 
       context.sendBroadcast(constructSentIntent(context, message.getId(), message.getType()));
     } catch (RateLimitException e) {
@@ -81,7 +82,8 @@ public class PushTransport extends BaseTransport {
       String            password    = TextSecurePreferences.getPushServerPassword(context);
       PushServiceSocket socket      = new PushServiceSocket(context, localNumber, password);
       String            messageBody = PartParser.getMessageText(message.getBody());
-      List<byte[]>      ciphertext  = new LinkedList<byte[]> ();
+      List<String>      relays      = new LinkedList<String>();
+      List<byte[]>      ciphertext  = new LinkedList<byte[]>();
       List<Integer>     types       = new LinkedList<Integer>();
 
       for (String destination : destinations) {
@@ -108,11 +110,12 @@ public class PushTransport extends BaseTransport {
         Pair<Integer, byte[]> typeAndCiphertext = getEncryptedMessage(socket, recipients.getPrimaryRecipient(),
                                                                       destination, plaintext);
 
+        relays.add(Directory.getInstance(context).getRelay(destination));
         types.add(typeAndCiphertext.first);
         ciphertext.add(typeAndCiphertext.second);
       }
 
-      socket.sendMessage(destinations, ciphertext, types);
+      socket.sendMessage(relays, destinations, ciphertext, types);
 
     } catch (RateLimitException e) {
       Log.w("PushTransport", e);
@@ -187,7 +190,8 @@ public class PushTransport extends BaseTransport {
   {
     IdentityKeyPair      identityKeyPair = IdentityKeyUtil.getIdentityKeyPair(context, masterSecret);
     IdentityKey          identityKey     = identityKeyPair.getPublicKey();
-    PreKeyEntity         preKey          = socket.getPreKey(canonicalRecipientNumber);
+    String               relay           = Directory.getInstance(context).getRelay(canonicalRecipientNumber);
+    PreKeyEntity         preKey          = socket.getPreKey(canonicalRecipientNumber, relay);
     KeyExchangeProcessor processor       = new KeyExchangeProcessor(context, masterSecret, recipient);
 
     processor.processKeyExchangeMessage(preKey);

src/org/thoughtcrime/securesms/transport/UniversalTransport.java

@@ -27,6 +27,7 @@ import org.thoughtcrime.securesms.util.Util;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.whispersystems.textsecure.directory.Directory;
 import org.whispersystems.textsecure.directory.NotInDirectoryException;
+import org.whispersystems.textsecure.push.ContactTokenDetails;
 import org.whispersystems.textsecure.push.PushServiceSocket;
 
 import java.io.IOException;
@@ -126,15 +127,20 @@ public class UniversalTransport {
       return directory.isActiveNumber(destination);
     } catch (NotInDirectoryException e) {
       try {
-        String            localNumber    = TextSecurePreferences.getLocalNumber(context);
-        String            pushPassword   = TextSecurePreferences.getPushServerPassword(context);
-        String            contactToken   = directory.getToken(destination);
-        PushServiceSocket socket         = new PushServiceSocket(context, localNumber, pushPassword);
-        boolean           registeredUser = socket.isRegisteredUser(contactToken);
-
-        directory.setToken(contactToken, registeredUser);
-
-        return registeredUser;
+        String              localNumber    = TextSecurePreferences.getLocalNumber(context);
+        String              pushPassword   = TextSecurePreferences.getPushServerPassword(context);
+        String              contactToken   = directory.getToken(destination);
+        PushServiceSocket   socket         = new PushServiceSocket(context, localNumber, pushPassword);
+        ContactTokenDetails registeredUser = socket.getContactTokenDetails(contactToken);
+
+        if (registeredUser == null) {
+          registeredUser = new ContactTokenDetails(contactToken);
+          directory.setToken(registeredUser, false);
+          return false;
+        } else {
+          directory.setToken(registeredUser, true);
+          return true;
+        }
       } catch (IOException e1) {
         Log.w("UniversalTransport", e1);
         return false;