feat(Mi Fitness): Add Force English locale and Fix login patch (#2734)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>

api/revanced-patches.api

@@ -284,6 +284,18 @@ public final class app/revanced/patches/messenger/inputfield/patch/DisableTyping
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
+public final class app/revanced/patches/mifitness/misc/locale/ForceEnglishLocalePatch : app/revanced/patcher/patch/BytecodePatch {
+	public static final field INSTANCE Lapp/revanced/patches/mifitness/misc/locale/ForceEnglishLocalePatch;
+	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+}
+
+public final class app/revanced/patches/mifitness/misc/login/FixLoginPatch : app/revanced/patcher/patch/BytecodePatch {
+	public static final field INSTANCE Lapp/revanced/patches/mifitness/misc/login/FixLoginPatch;
+	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+}
+
 public final class app/revanced/patches/moneymanager/UnlockProPatch : app/revanced/patcher/patch/BytecodePatch {
 	public static final field INSTANCE Lapp/revanced/patches/moneymanager/UnlockProPatch;
 	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V

src/main/kotlin/app/revanced/patches/mifitness/misc/locale/ForceEnglishLocalePatch.kt

@@ -0,0 +1,39 @@
+package app.revanced.patches.mifitness.misc.locale
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.annotation.CompatiblePackage
+import app.revanced.patcher.patch.annotation.Patch
+import app.revanced.patches.mifitness.misc.locale.fingerprints.SyncBluetoothLanguageFingerprint
+import app.revanced.patches.mifitness.misc.login.FixLoginPatch
+import app.revanced.util.exception
+import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
+
+@Patch(
+    name = "Force English locale",
+    description = "Forces wearable devices to use the English locale.",
+    compatiblePackages = [CompatiblePackage("com.xiaomi.wearable")],
+    dependencies = [FixLoginPatch::class],
+)
+@Suppress("unused")
+object ForceEnglishLocalePatch : BytecodePatch(
+    setOf(SyncBluetoothLanguageFingerprint),
+) {
+    override fun execute(context: BytecodeContext) {
+        SyncBluetoothLanguageFingerprint.result?.let {
+            val resolvePhoneLocaleInstruction = it.scanResult.patternScanResult!!.startIndex
+
+            it.mutableMethod.apply {
+                val registerIndexToUpdate =
+                    getInstruction<OneRegisterInstruction>(resolvePhoneLocaleInstruction).registerA
+
+                replaceInstruction(
+                    resolvePhoneLocaleInstruction,
+                    "const-string v$registerIndexToUpdate, \"en_gb\"",
+                )
+            }
+        } ?: throw SyncBluetoothLanguageFingerprint.exception
+    }
+}

src/main/kotlin/app/revanced/patches/mifitness/misc/locale/fingerprints/SyncBluetoothLanguageFingerprint.kt

@@ -0,0 +1,12 @@
+package app.revanced.patches.mifitness.misc.locale.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import com.android.tools.smali.dexlib2.Opcode
+
+internal object SyncBluetoothLanguageFingerprint : MethodFingerprint(
+    customFingerprint = { methodDef, _ ->
+        methodDef.definingClass == "Lcom/xiaomi/fitness/devicesettings/DeviceSettingsSyncer;" &&
+            methodDef.name == "syncBluetoothLanguage"
+    },
+    opcodes = listOf(Opcode.MOVE_RESULT_OBJECT),
+)

src/main/kotlin/app/revanced/patches/mifitness/misc/login/FixLoginPatch.kt

@@ -0,0 +1,35 @@
+package app.revanced.patches.mifitness.misc.login
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.annotation.CompatiblePackage
+import app.revanced.patcher.patch.annotation.Patch
+import app.revanced.patches.mifitness.misc.login.fingerprints.XiaomiAccountManagerConstructorFingerprint
+import app.revanced.util.exception
+import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
+
+@Patch(
+    name = "Fix login",
+    description = "Fixes login for uncertified Mi Fitness app",
+    compatiblePackages = [CompatiblePackage("com.xiaomi.wearable")],
+)
+@Suppress("unused")
+object FixLoginPatch : BytecodePatch(
+    setOf(XiaomiAccountManagerConstructorFingerprint),
+) {
+    override fun execute(context: BytecodeContext) {
+        XiaomiAccountManagerConstructorFingerprint.result?.let {
+            it.mutableMethod.apply {
+                val isCertifiedIndex = it.scanResult.patternScanResult!!.startIndex
+                val isCertifiedRegister = getInstruction<OneRegisterInstruction>(isCertifiedIndex).registerA
+
+                addInstruction(
+                    isCertifiedIndex,
+                    "const/4 p$isCertifiedRegister, 0x0",
+                )
+            }
+        } ?: throw XiaomiAccountManagerConstructorFingerprint.exception
+    }
+}

src/main/kotlin/app/revanced/patches/mifitness/misc/login/fingerprints/XiaomiAccountManagerConstructorFingerprint.kt

@@ -0,0 +1,14 @@
+package app.revanced.patches.mifitness.misc.login.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+
+internal object XiaomiAccountManagerConstructorFingerprint : MethodFingerprint(
+    accessFlags = AccessFlags.PRIVATE or AccessFlags.CONSTRUCTOR,
+    customFingerprint = { methodDef, _ ->
+        methodDef.definingClass == "Lcom/xiaomi/passport/accountmanager/XiaomiAccountManager;"
+    },
+    opcodes = listOf(Opcode.IF_NEZ),
+)