add initial support for Signal message sending

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "external/libsignal-service-java"]
+	path = external/libsignal-service-java
+	url = https://github.com/WhisperSystems/libsignal-service-java.git

build.gradle

@@ -18,13 +18,28 @@ repositories {
     maven { url 'https://jitpack.io' }
 }
 
+allprojects {
+    project.ext {
+        // these are common variables used in */build.gradle
+        version_number="0.0.13"
+        group_info="haven"
+        signal_version="2.3.0"
+    }
+}
+
+
 android {
     compileSdkVersion 25
     buildToolsVersion '26.0.2'
 
     packagingOptions {
         exclude 'META-INF/LICENSE.txt'
         exclude 'META-INF/NOTICE.txt'
+        exclude 'META-INF/DEPENDENCIES'
+        exclude 'META-INF/NOTICE'
+        exclude 'META-INF/LICENSE'
+        exclude 'META-INF/LICENSE.txt'
+        exclude 'META-INF/NOTICE.txt'
     }
 
     defaultConfig {
@@ -35,6 +50,8 @@ android {
             sourceCompatibility JavaVersion.VERSION_1_7
             targetCompatibility JavaVersion.VERSION_1_7
         }
+        multiDexEnabled true
+
     }
 
     buildTypes {
@@ -47,11 +64,12 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_7
         targetCompatibility JavaVersion.VERSION_1_7
     }
+
 }
 
 dependencies {
-
 
+    compile project(':external:libsignal-service-java:java')
     compile 'com.android.support:support-v4:25.4.0'
     compile 'com.github.satyan:sugar:1.5'
     compile 'com.android.support:appcompat-v7:25.4.0'

settings.gradle

@@ -0,0 +1,2 @@
+include ':external:libsignal-service-java:java'
+

src/main/java/info/guardianproject/phoneypot/PhoneyPotApp.java

@@ -1,6 +1,7 @@
 package info.guardianproject.phoneypot;
 
 import android.app.Application;
+import android.support.multidex.MultiDexApplication;
 
 import com.facebook.drawee.backends.pipeline.Fresco;
 import com.orm.SugarApp;
@@ -10,7 +11,7 @@
  * Created by n8fr8 on 8/9/17.
  */
 
-public class PhoneyPotApp extends Application {
+public class PhoneyPotApp extends MultiDexApplication {
 
     @Override
     public void onCreate() {

src/main/java/info/guardianproject/phoneypot/service/signal/MySignalProtocolStore.java

@@ -0,0 +1,114 @@
+package info.guardianproject.phoneypot.service.signal;
+
+import org.whispersystems.libsignal.IdentityKey;
+import org.whispersystems.libsignal.IdentityKeyPair;
+import org.whispersystems.libsignal.InvalidKeyIdException;
+import org.whispersystems.libsignal.SignalProtocolAddress;
+import org.whispersystems.libsignal.state.IdentityKeyStore;
+import org.whispersystems.libsignal.state.PreKeyRecord;
+import org.whispersystems.libsignal.state.SessionRecord;
+import org.whispersystems.libsignal.state.SignalProtocolStore;
+import org.whispersystems.libsignal.state.SignedPreKeyRecord;
+
+import java.util.List;
+
+/**
+ * Created by n8fr8 on 11/1/17.
+ */
+
+public class MySignalProtocolStore implements SignalProtocolStore {
+    @Override
+    public IdentityKeyPair getIdentityKeyPair() {
+        return null;
+    }
+
+    @Override
+    public int getLocalRegistrationId() {
+        return 0;
+    }
+
+    @Override
+    public boolean saveIdentity(SignalProtocolAddress address, IdentityKey identityKey) {
+        return false;
+    }
+
+    @Override
+    public boolean isTrustedIdentity(SignalProtocolAddress address, IdentityKey identityKey, Direction direction) {
+        return false;
+    }
+
+    @Override
+    public PreKeyRecord loadPreKey(int preKeyId) throws InvalidKeyIdException {
+        return null;
+    }
+
+    @Override
+    public void storePreKey(int preKeyId, PreKeyRecord record) {
+
+    }
+
+    @Override
+    public boolean containsPreKey(int preKeyId) {
+        return false;
+    }
+
+    @Override
+    public void removePreKey(int preKeyId) {
+
+    }
+
+    @Override
+    public SessionRecord loadSession(SignalProtocolAddress address) {
+        return null;
+    }
+
+    @Override
+    public List<Integer> getSubDeviceSessions(String name) {
+        return null;
+    }
+
+    @Override
+    public void storeSession(SignalProtocolAddress address, SessionRecord record) {
+
+    }
+
+    @Override
+    public boolean containsSession(SignalProtocolAddress address) {
+        return false;
+    }
+
+    @Override
+    public void deleteSession(SignalProtocolAddress address) {
+
+    }
+
+    @Override
+    public void deleteAllSessions(String name) {
+
+    }
+
+    @Override
+    public SignedPreKeyRecord loadSignedPreKey(int signedPreKeyId) throws InvalidKeyIdException {
+        return null;
+    }
+
+    @Override
+    public List<SignedPreKeyRecord> loadSignedPreKeys() {
+        return null;
+    }
+
+    @Override
+    public void storeSignedPreKey(int signedPreKeyId, SignedPreKeyRecord record) {
+
+    }
+
+    @Override
+    public boolean containsSignedPreKey(int signedPreKeyId) {
+        return false;
+    }
+
+    @Override
+    public void removeSignedPreKey(int signedPreKeyId) {
+
+    }
+}

src/main/java/info/guardianproject/phoneypot/service/signal/SignalSender.java

@@ -0,0 +1,78 @@
+package info.guardianproject.phoneypot.service.signal;
+
+import org.whispersystems.libsignal.IdentityKeyPair;
+import org.whispersystems.libsignal.InvalidKeyException;
+import org.whispersystems.libsignal.state.PreKeyRecord;
+import org.whispersystems.libsignal.state.SignedPreKeyRecord;
+import org.whispersystems.libsignal.util.KeyHelper;
+import org.whispersystems.libsignal.util.guava.Optional;
+import org.whispersystems.signalservice.api.SignalServiceAccountManager;
+import org.whispersystems.signalservice.api.SignalServiceMessageSender;
+import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
+import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
+import org.whispersystems.signalservice.api.push.SignalServiceAddress;
+import org.whispersystems.signalservice.api.push.TrustStore;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Created by n8fr8 on 10/31/17.
+ */
+
+public class SignalSender {
+
+    private final String     URL         = "https://my.signal.server.com";
+    private final TrustStore TRUST_STORE = null;//new MyTrustStoreImpl();
+    private final String     USERNAME    = "+14151231234";
+    private final String     PASSWORD    = null;//generateRandomPassword();
+    private final String     USER_AGENT  = "[FILL_IN]";
+
+    private SignalServiceAccountManager accountManager;
+
+    public SignalSender ()
+    {
+        accountManager = null; //new SignalServiceAccountManager(URL, TRUST_STORE, USERNAME, PASSWORD, USER_AGENT);
+
+
+    }
+    public void generateKeys ()
+    {
+
+    }
+
+    public void register () throws IOException {
+
+        accountManager.requestSmsVerificationCode();
+    }
+
+    public void verify (String receivedSmsVerificationCode) throws IOException, InvalidKeyException {
+
+     //   accountManager.verifyAccountWithCode(receivedSmsVerificationCode, generateRandomSignalingKey(),
+       //         generateRandomInstallId(), false);
+
+       int signedPreKeyId = 1;
+
+        IdentityKeyPair identityKey        = KeyHelper.generateIdentityKeyPair();
+        List<PreKeyRecord> oneTimePreKeys     = KeyHelper.generatePreKeys(0, 100);
+        SignedPreKeyRecord signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKey, signedPreKeyId);
+
+        //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
+        accountManager.setPreKeys(identityKey.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
+    }
+
+    public void sendMessage () throws IOException, UntrustedIdentityException {
+        SignalServiceMessageSender messageSender = null;
+
+        /**
+        new SignalServiceMessageSender(URL, TRUST_STORE, USERNAME, PASSWORD,
+                new MySignalProtocolStore(),
+                USER_AGENT, Optional.absent());
+         **/
+
+        messageSender.sendMessage(new SignalServiceAddress("+14159998888"),
+                SignalServiceDataMessage.newBuilder()
+                        .withBody("Hello, world!")
+                        .build());
+    }
+}