implement Dbus addDevice and removeDevice

update documentation as well

man/signal-cli-dbus.5.adoc

@@ -334,6 +334,11 @@ Exceptions: Failure, InvalidNumber
 
 === Other methods
 
+addDevice(deviceUri<s>) -> <>::
+* deviceUri : URI in the form of tsdevice:/?uuid=... Normally received from Signal desktop or smartphone app
+
+Exception: Failure
+
 listDevices() -> devices<as>::
 * devices  : String array of linked devices
 
@@ -346,6 +351,11 @@ This is a concatenated list of all defined contacts as well of profiles known (e
 
 Exceptions: None
 
+removeDevice(deviceId<i>) -> <>::
+* deviceId : Device ID to remove, obtained from listDevices() command
+
+Exception: Failure
+
 sendNoteToSelfMessage(message<s>, attachments<as>) -> timestamp<x>::
 * message     : Text to send (can be UTF8)
 * attachments : String array of filenames to send as attachments (passed as filename, so need to be readable by the user signal-cli is running under)

src/main/java/org/asamk/Signal.java

@@ -83,6 +83,10 @@ public interface Signal extends DBusInterface {
 
     boolean isRegistered();
 
+    void addDevice(String uri) throws Error.Failure;
+
+    void removeDevice(int deviceId) throws Error.Failure;
+
     List<String> listDevices() throws Error.Failure;
 
     void updateAccount(String deviceName) throws Error.Failure;

src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java

@@ -20,6 +20,7 @@ import org.asamk.signal.manager.storage.identities.IdentityInfo;
 import org.asamk.signal.util.ErrorUtils;
 import org.asamk.signal.util.Util;
 import org.freedesktop.dbus.exceptions.DBusExecutionException;
+import org.whispersystems.libsignal.InvalidKeyException;
 import org.whispersystems.libsignal.util.Pair;
 import org.whispersystems.libsignal.util.guava.Optional;
 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
@@ -29,6 +30,8 @@ import org.whispersystems.signalservice.api.util.InvalidNumberException;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
@@ -61,6 +64,26 @@ public class DbusSignalImpl implements Signal {
         return objectPath;
     }
 
+    @Override
+    public void addDevice(String uri) {
+        try {
+            m.addDeviceLink(new URI(uri));
+        } catch (IOException | InvalidKeyException e) {
+            throw new Error.Failure(e.getClass().getSimpleName() + " Add device link failed. " + e.getMessage());
+        } catch (URISyntaxException e) {
+            throw new Error.Failure(e.getClass().getSimpleName() + " Device link uri has invalid format: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public void removeDevice(int deviceId) {
+        try {
+            m.removeLinkedDevices(deviceId);
+        } catch (IOException e) {
+            throw new Error.Failure(e.getClass().getSimpleName() + ": Error while removing device: " + e.getMessage());
+        }
+    }
+
     @Override
     public List<String> listDevices() {
         List<Device> devices;