huawei: Add huawei account support (#3721)

* this feature allows to pair HarmonyOS devices without factory reset to
  GB and Huawei Health.

* huawei account has form of 17 digit string and could be retrived from
  logcat filtering by huid=

Reviewed-on: https://codeberg.org/Freeyourgadget/Gadgetbridge/pulls/3721
Co-authored-by: Vitaliy Tomin <highwaystar.ru@gmail.com>
Co-committed-by: Vitaliy Tomin <highwaystar.ru@gmail.com>

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiBRCoordinator.java

@@ -30,6 +30,7 @@ import java.util.Collections;
 import java.util.List;
 
 import de.greenrobot.dao.query.QueryBuilder;
+import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSpecificSettings;
 import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSpecificSettingsCustomizer;
@@ -83,6 +84,11 @@ public abstract class HuaweiBRCoordinator extends AbstractBLClassicDeviceCoordin
         return huaweiCoordinator.getSupportedLanguageSettings(device);
     }
 
+    @Override
+    public int[] getSupportedDeviceSpecificAuthenticationSettings() {
+        return new int[]{R.xml.devicesettings_huawei_account};
+    }
+
     @Override
     public int getBondingStyle(){
         return BONDING_STYLE_ASK;

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiConstants.java

@@ -71,6 +71,7 @@ public final class HuaweiConstants {
     public static final String PREF_HUAWEI_ADDRESS = "huawei_address";
     public static final String PREF_HUAWEI_WORKMODE = "workmode";
     public static final String PREF_HUAWEI_TRUSLEEP = "trusleep";
+    public static final String PREF_HUAWEI_ACCOUNT = "huawei_account";
     public static final String PREF_HUAWEI_DND_LIFT_WRIST_TYPE = "dnd_lift_wrist_type"; // SharedPref for 0x01 0x1D
     public static final String PREF_HUAWEI_DEBUG_REQUEST = "debug_huawei_request";
 

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiLECoordinator.java

@@ -30,6 +30,7 @@ import java.util.Collections;
 import java.util.List;
 
 import de.greenrobot.dao.query.QueryBuilder;
+import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSpecificSettings;
 import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSpecificSettingsCustomizer;
 import nodomain.freeyourgadget.gadgetbridge.GBException;
@@ -82,7 +83,12 @@ public abstract class HuaweiLECoordinator extends AbstractBLEDeviceCoordinator i
     public String[] getSupportedLanguageSettings(GBDevice device) {
         return huaweiCoordinator.getSupportedLanguageSettings(device);
     }
-    
+
+    @Override
+    public int[] getSupportedDeviceSpecificAuthenticationSettings() {
+        return new int[]{R.xml.devicesettings_huawei_account};
+    }
+
     @Override
     public int getBondingStyle(){
         return BONDING_STYLE_NONE;

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/packets/AccountRelated.java

@@ -26,15 +26,18 @@ public class AccountRelated {
 		public static final byte id = 0x01;
 
 		public static class Request extends HuaweiPacket {
-			public Request (ParamsProvider paramsProvider) {
+			public Request (ParamsProvider paramsProvider, String account) {
 				super(paramsProvider);
 
 				this.serviceId = AccountRelated.id;
 				this.commandId = id;
 
-				this.tlv = new HuaweiTLV()
+				this.tlv = new HuaweiTLV();
-						.put(0x01);
+				if (account.length() > 0) {
-
+					tlv.put(0x01, account);
+				} else {
+					tlv.put(0x01);
+				}
 				this.complete = true;
 			}
 		}
@@ -50,14 +53,19 @@ public class AccountRelated {
 		public static final byte id = 0x05;
 
 		public static class Request extends HuaweiPacket {
-			public Request (ParamsProvider paramsProvider, boolean accountPairingOptimization) {
+			public Request (ParamsProvider paramsProvider, boolean accountPairingOptimization, String account) {
 				super(paramsProvider);
 
 				this.serviceId = AccountRelated.id;
 				this.commandId = id;
 
-				this.tlv = new HuaweiTLV()
+				this.tlv = new HuaweiTLV();
-						.put(0x01, (byte)0x00);
+				if (account.length() > 0) {
+					tlv.put(0x01, account);
+				} else {
+					tlv.put(0x01, (byte)0x00);
+				}
+
 				if (accountPairingOptimization) {
 					this.tlv.put(0x03, (byte)0x01);
 				}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/SendAccountRequest.java

@@ -21,7 +21,9 @@ import org.slf4j.LoggerFactory;
 
 import java.util.List;
 
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.GBException;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiConstants;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket.CryptoException;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.AccountRelated;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
@@ -37,8 +39,11 @@ public class SendAccountRequest extends Request {
 
     @Override
     protected List<byte[]> createRequest() throws RequestCreationException {
+        String account = GBApplication
+                .getDeviceSpecificSharedPrefs(supportProvider.getDevice().getAddress())
+                .getString(HuaweiConstants.PREF_HUAWEI_ACCOUNT, "").trim();
         try {
-            return new AccountRelated.SendAccountToDevice.Request(paramsProvider).serialize();
+            return new AccountRelated.SendAccountToDevice.Request(paramsProvider, account).serialize();
         } catch (CryptoException e) {
             throw new RequestCreationException(e);
         }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/SendExtendedAccountRequest.java

@@ -22,6 +22,8 @@ import org.slf4j.LoggerFactory;
 
 import java.util.List;
 
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiConstants;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket.CryptoException;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.AccountRelated;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
@@ -37,10 +39,14 @@ public class SendExtendedAccountRequest extends Request {
 
     @Override
     protected List<byte[]> createRequest() throws Request.RequestCreationException {
+        String account = GBApplication
+                .getDeviceSpecificSharedPrefs(supportProvider.getDevice().getAddress())
+                .getString(HuaweiConstants.PREF_HUAWEI_ACCOUNT, "").trim();
         try {
             return new AccountRelated.SendExtendedAccountToDevice.Request(
                     paramsProvider,
-                    supportProvider.getHuaweiCoordinator().supportsDiffAccountPairingOptimization())
+                    supportProvider.getHuaweiCoordinator().supportsDiffAccountPairingOptimization(),
+                    account)
                     .serialize();
         } catch (CryptoException e) {
             throw new Request.RequestCreationException(e);

app/src/main/res/values/strings.xml

@@ -2812,4 +2812,6 @@
     <string name="pref_sleepasandroid_feat_heartrate">Heart rate</string>
     <string name="pref_sleepasandroid_feat_oximetry">Oximetry</string>
     <string name="pref_sleepasandroid_feat_spo2">SPO2</string>
+    <string name="pref_title_huawei_account">Huawei Account</string>
+    <string name="pref_summary_huawei_account">Huawei account used in pairing process. Setting it allows to pair without factory reset.</string>
 </resources>

app/src/main/res/xml/devicesettings_huawei_account.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+    <EditTextPreference
+        android:icon="@drawable/ic_vpn_key"
+        android:key="huawei_account"
+        android:maxLength="17"
+        android:summary="@string/pref_summary_huawei_account"
+        android:title="@string/pref_title_huawei_account" />
+</androidx.preference.PreferenceScreen>