First hack at client-side sms gateway, receipt works

build.gradle

@@ -64,11 +64,11 @@ android {
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 25
+        targetSdkVersion 22
         versionCode 236
         versionName "1.21.0"
         archivesBaseName += "-$versionName"
-        applicationId "eu.siacs.conversations"
+        applicationId "eu.siacs.conversations.sms"
     }
 
     dexOptions {

src/main/AndroidManifest.xml

@@ -14,6 +14,9 @@
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.NFC" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
+    <uses-permission android:name="android.permission.SEND_SMS" />
+    <uses-permission android:name="android.permission.RECEIVE_SMS" />
+    <uses-permission android:name="android.permission.READ_SMS" />
 
     <uses-permission
         android:name="android.permission.READ_PHONE_STATE"
@@ -218,6 +221,11 @@
             android:exported="false"
             android:grantUriPermissions="true"/>
 
+        <receiver android:name=".services.SMSReceiver">
+            <intent-filter>
+                <action android:name="android.provider.Telephony.SMS_RECEIVED"/>
+            </intent-filter>
+        </receiver>
 
     </application>
 

src/main/java/eu/siacs/conversations/services/SMSReceiver.java

@@ -0,0 +1,78 @@
+package eu.siacs.conversations.services;
+
+import android.content.*;
+import android.os.Bundle;
+import android.telephony.SmsMessage;
+import android.util.Log;
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xmpp.jid.Jid;
+import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
+
+public class SMSReceiver extends BroadcastReceiver {
+
+    public static XmppConnectionService xmppConnectionService;
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Bundle bundle = intent.getExtras();
+        if (bundle == null)
+            return;
+
+        Object[] pdus = (Object[]) bundle.get("pdus");
+        for (int i = 0; i < pdus.length; ++i) {
+            SmsMessage msg = SmsMessage.createFromPdu((byte[]) pdus[i]);
+            final String from = msg.getOriginatingAddress();
+            //if (!"7243".equals(msg.getOriginatingAddress())) continue;
+            // it's a message from Page Plus, but is it a balance message?
+            final String message = msg.getMessageBody();
+            if (message == null)
+                continue;
+            // it IS a balance message, get to parsing...
+            Log.d(Config.LOGTAG, "SMSReceiver: " + from + ": " + message);
+            Log.d(Config.LOGTAG, "SMSReceiver: xmppConnectionService: " + xmppConnectionService);
+            try {
+                // test
+                android.widget.Toast.makeText(context, from + ": " + message, android.widget.Toast.LENGTH_SHORT).show();
+/*
+                */
+                final Jid fromJid = Jid.fromString(from + "@echo.burtrum.org");
+                final Account account = xmppConnectionService.getAccounts().get(0);
+
+                final MessagePacket packet = new MessagePacket();
+                packet.setType(MessagePacket.TYPE_NORMAL);
+                //packet.setAttribute("id",id);
+                packet.setTo(fromJid);
+                packet.setFrom(account.getJid());
+
+                packet.addChild("echo", "https://code.moparisthebest.com/moparisthebest/xmpp-echo-self");
+
+                final Element forwarded = packet.addChild("forwarded", "urn:xmpp:forward:0");
+                // todo: add delay to forwarded with msg.getTimestampMillis()
+                final MessagePacket forwardedMsg = new MessagePacket();
+                forwarded.addChild(forwardedMsg);
+
+                forwardedMsg.setAttribute("xmlns", "jabber:client");
+                forwardedMsg.setType(MessagePacket.TYPE_CHAT);
+                forwardedMsg.setTo(account.getJid());
+                forwardedMsg.setFrom(fromJid);
+                forwardedMsg.setBody(message);
+
+                xmppConnectionService.sendMessagePacket(account, packet);
+
+                //---send a broadcast intent to update the SMS received in the activity---
+                /*
+                Intent broadcastIntent = new Intent();
+                broadcastIntent.setAction(Main.PP_BAL_RECEIVED_ACTION);
+                broadcastIntent.putExtra(Main.BALANCE, "someString");
+                context.sendBroadcast(broadcastIntent);
+                */
+
+
+            } catch (Exception e) {
+                Log.d(Config.LOGTAG, "SMSReceiver: ", e);
+            }
+        }
+    }
+}

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -167,6 +167,10 @@ public class XmppConnectionService extends Service {
 
 	private long mLastActivity = 0;
 
+	public XmppConnectionService() {
+		SMSReceiver.xmppConnectionService = this;
+	}
+
 	public DatabaseBackend databaseBackend;
 	private ContentObserver contactObserver = new ContentObserver(null) {
 		@Override