Add hook for min sdk version

app/src/main/java/org/lsposed/corepatch/Config.kt

@@ -5,6 +5,7 @@ import org.lsposed.corepatch.XposedHelper.prefs
 
 object Config {
     const val BYPASS_DOWNGRADE = "downgrade"
+    const val BYPASS_MIN_SDK = "bypass_min_sdk"
     const val BYPASS_VERIFICATION = "bypass_verification"
     const val BYPASS_RESOURCE_ARSC_RESTRICTIONS = "bypass_resource_arsc_restrictions"
     const val BYPASS_DIGEST = "bypass_digest"
@@ -17,6 +18,7 @@ object Config {
 
     private val allConfig = arrayOf(
         BYPASS_DOWNGRADE,
+        BYPASS_MIN_SDK,
         BYPASS_VERIFICATION,
         BYPASS_RESOURCE_ARSC_RESTRICTIONS,
         BYPASS_DIGEST,
@@ -36,6 +38,10 @@ object Config {
         return prefs.getBoolean(BYPASS_DOWNGRADE, false)
     }
 
+    fun isBypassMinSdkEnabled(): Boolean {
+        return prefs.getBoolean(BYPASS_MIN_SDK, false)
+    }
+
     fun isBypassVerificationEnabled(): Boolean {
         return prefs.getBoolean(BYPASS_VERIFICATION, false)
     }

app/src/main/java/org/lsposed/corepatch/MainActivity.kt

@@ -56,6 +56,9 @@ class MainActivity : Activity() {
         val bypassDowngrade = SwitchData(
             getString(R.string.bypass_downgrade), getString(R.string.bypass_downgrade_summary), Config.BYPASS_DOWNGRADE
         )
+        val bypassMinSdk = SwitchData(
+            getString(R.string.bypass_min_sdk), getString(R.string.bypass_min_sdk_summary), Config.BYPASS_MIN_SDK
+        )
         val bypassVerification = SwitchData(
             getString(R.string.bypass_verification), getString(R.string.bypass_verification_summary), Config.BYPASS_VERIFICATION
         )
@@ -95,6 +98,7 @@ class MainActivity : Activity() {
 
         val dataSet = arrayListOf(
             bypassDowngrade,
+            bypassMinSdk,
             bypassVerification,
             bypassResourceArscRestrictions,
             bypassDigest,

app/src/main/java/org/lsposed/corepatch/XposedMain.kt

@@ -8,6 +8,7 @@ import org.lsposed.corepatch.hook.ApkSignatureVerifierHook
 import org.lsposed.corepatch.hook.ApkSigningBlockUtilsHook
 import org.lsposed.corepatch.hook.ApplicationInfoHook
 import org.lsposed.corepatch.hook.AssetManagerHook
+import org.lsposed.corepatch.hook.FrameworkParsingPackageUtilsHook
 import org.lsposed.corepatch.hook.InstallPackageHelperHook
 import org.lsposed.corepatch.hook.KeySetManagerServiceHook
 import org.lsposed.corepatch.hook.MessageDigestHook
@@ -42,6 +43,7 @@ class XposedMain : XposedModule() {
             ApkSigningBlockUtilsHook,
             ApplicationInfoHook,
             AssetManagerHook,
+            FrameworkParsingPackageUtilsHook,
             InstallPackageHelperHook,
             KeySetManagerServiceHook,
             MessageDigestHook,

app/src/main/java/org/lsposed/corepatch/hook/FrameworkParsingPackageUtilsHook.kt

@@ -0,0 +1,42 @@
+package org.lsposed.corepatch.hook
+
+import android.annotation.SuppressLint
+import org.lsposed.corepatch.Config
+import org.lsposed.corepatch.XposedHelper.findClassIfExists
+import org.lsposed.corepatch.XposedHelper.hookBefore
+
+object FrameworkParsingPackageUtilsHook : BaseHook() {
+    override val name = "FrameworkParsingPackageUtilsHook"
+
+    @SuppressLint("PrivateApi")
+    override fun hook() {
+        // https://cs.android.com/android/platform/superproject/+/android-9.0.0_r61:frameworks/base/core/java/android/content/pm/PackageParser.java;l=2625
+        // public static int computeMinSdkVersion(int minVers, String minCode, int platformSdkVersion, String[] platformSdkCodenames, String[] outError)
+        // https://cs.android.com/android/platform/superproject/+/android-11.0.0_r1:frameworks/base/core/java/android/content/pm/parsing/ParsingPackageUtils.java;l=1382
+        // https://cs.android.com/android/platform/superproject/+/android-13.0.0_r1:frameworks/base/core/java/android/content/pm/parsing/FrameworkParsingPackageUtils.java;l=298
+        // public static ParseResult<Integer> computeMinSdkVersion(int minVers, String minCode, int platformSdkVersion, String[] platformSdkCodenames, ParseInput input)
+        listOf(
+            "android.content.pm.PackageParser",
+            "android.content.pm.parsing.ParsingPackageUtils",
+            "android.content.pm.parsing.FrameworkParsingPackageUtils",
+        ).mapNotNull { findClassIfExists(it) }
+            .flatMap { clazz ->
+                clazz.declaredMethods.filter { m ->
+                    m.name == "computeMinSdkVersion" && m.parameterTypes.take(3) ==
+                        listOf(Int::class.java, String::class.java, Int::class.java)
+                }
+            }
+            .forEach { computeMinSdkVersionMethod ->
+                hookBefore(computeMinSdkVersionMethod) { callback ->
+                    if (Config.isBypassMinSdkEnabled()) {
+                        val minVers = callback.args[0] as Int
+                        val minCode = callback.args[1] as String?
+                        val platformSdkVersion = callback.args[2] as Int
+                        if (minCode == null && minVers > platformSdkVersion) {
+                            callback.args[0] = platformSdkVersion
+                        }
+                    }
+                }
+            }
+    }
+}

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Βεβαιωθείτε ότι το πλαίσιο Xposed εκτελείται και ότι αυτή η μονάδα είναι ενεργοποιημένη.</string>
     <string name="bypass_downgrade">Επιτρεπόμενη υποβάθμιση</string>
     <string name="bypass_downgrade_summary">Επιτρέπει την υποβάθμιση εφαρμογών.</string>
+    <string name="bypass_min_sdk">Παράκαμψη περιορισμού ελάχιστης έκδοσης SDK</string>
+    <string name="bypass_min_sdk_summary">Επιτρέπει την εγκατάσταση APK των οποίων το minSdkVersion είναι μεγαλύτερο από την έκδοση του συστήματος.</string>
     <string name="bypass_verification">Απενεργοποίηση επαλήθευσης σύνοψης</string>
     <string name="bypass_verification_summary">Επιτρέπει την εγκατάσταση εφαρμογών μετά την τροποποίηση ενός αρχείου στο APK (αγνοεί το σφάλμα μη έγκυρης σύνοψης).</string>
     <string name="bypass_resource_arsc_restrictions">Παράκαμψη περιορισμού στοίχισης του resources.arsc</string>

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Assurez-vous que le framework Xposed est en cours d’exécution et que ce module est activé.</string>
     <string name="bypass_downgrade">Permettre la rétrogradation</string>
     <string name="bypass_downgrade_summary">Permettre la rétrogradation d\’applications.</string>
+    <string name="bypass_min_sdk">Contourner la version minimale du SDK</string>
+    <string name="bypass_min_sdk_summary">Autoriser l’installation des APK dont le minSdkVersion est supérieur à la version du système.</string>
     <string name="bypass_verification">Désactiver la vérification digest</string>
     <string name="bypass_verification_summary">Permettre l\’installation d\’applications après avoir modifier le fichier dans l\’apk (ignorer les erreures invalid digest).</string>
     <string name="bypass_resource_arsc_restrictions">Contourner la contrainte d’alignement de resources.arsc</string>

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Pastikan framework Xposed berjalan dan modul ini diaktifkan.</string>
     <string name="bypass_downgrade">Izinkan turun versi</string>
     <string name="bypass_downgrade_summary">Izinkan turun versi aplikasi.</string>
+    <string name="bypass_min_sdk">Lewati pembatasan versi SDK minimum</string>
+    <string name="bypass_min_sdk_summary">Izinkan pemasangan APK dengan minSdkVersion yang lebih tinggi dari versi sistem.</string>
     <string name="bypass_verification">Matikan verifikasi digest</string>
     <string name="bypass_verification_summary">Izinkan pemasangan aplikasi setelah file dalam apk dimodifikasi (abaikan kesalahan digest yang tidak valid).</string>
     <string name="bypass_resource_arsc_restrictions">Lewati pembatasan penyelarasan resources.arsc</string>

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Assicurati che il framework Xposed sia in esecuzione e che questo modulo sia abilitato.</string>
     <string name="bypass_downgrade">Consenti ​​Downgrade</string>
     <string name="bypass_downgrade_summary">Consenti il ​​downgrade delle applicazioni.</string>
+    <string name="bypass_min_sdk">Ignora il vincolo di versione minima dell’SDK</string>
+    <string name="bypass_min_sdk_summary">Consenti l’installazione di APK con minSdkVersion superiore alla versione del sistema.</string>
     <string name="bypass_verification">Disabilita verifica digest</string>
     <string name="bypass_verification_summary">Consente l\'installazione di app dopo aver modificato il file nell\'apk (ignora l\'errore digest non valido).</string>
     <string name="bypass_resource_arsc_restrictions">Ignora il vincolo di allineamento di resources.arsc</string>

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Xposed フレームワークが実行中で、このモジュールが有効になっていることを確認してください。</string>
     <string name="bypass_downgrade">ダウングレードを許可する</string>
     <string name="bypass_downgrade_summary">アプリのダウングレードを許可します。</string>
+    <string name="bypass_min_sdk">最小 SDK バージョンの制限を回避</string>
+    <string name="bypass_min_sdk_summary">minSdkVersion が現在のシステムバージョンより高い APK のインストールを許可します。</string>
     <string name="bypass_verification">ダイジェストの検証を無効化する</string>
     <string name="bypass_verification_summary">APK ファイルの変更後にアプリをインストールできるようにします。(無効なダイジェストのエラーを無視します)</string>
     <string name="bypass_resource_arsc_restrictions">resources.arsc のアラインメント制限を回避</string>

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Xposed 프레임워크가 실행 중이고 이 모듈이 활성화되어 있는지 확인하세요.</string>
     <string name="bypass_downgrade">다운그레이드 허용</string>
     <string name="bypass_downgrade_summary">애플리케이션 다운그레이드를 허용합니다.</string>
+    <string name="bypass_min_sdk">최소 SDK 버전 제한 우회</string>
+    <string name="bypass_min_sdk_summary">minSdkVersion이 현재 시스템 버전보다 높은 APK 설치를 허용합니다.</string>
     <string name="bypass_verification">다이제스트 확인 비활성화</string>
     <string name="bypass_verification_summary">apk의 파일을 수정한 후 앱을 설치할 수 있습니다. (잘못된 다이제스트 오류를 무시).</string>
     <string name="bypass_resource_arsc_restrictions">resources.arsc 정렬 제한 우회</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Verifique se o framework Xposed está em execução e se este módulo está ativado.</string>
     <string name="bypass_downgrade">Permitir downgrade</string>
     <string name="bypass_downgrade_summary">Permite o downgrade de apps</string>
+    <string name="bypass_min_sdk">Ignorar restrição de versão mínima do SDK</string>
+    <string name="bypass_min_sdk_summary">Permitir a instalação de APKs cujo minSdkVersion seja maior que a versão do sistema.</string>
     <string name="bypass_verification">Desativar verificação de integridade</string>
     <string name="bypass_verification_summary">Permite instalar apps após modificar um arquivo no APK (ignore o erro de integridade inválido)</string>
     <string name="bypass_resource_arsc_restrictions">Ignorar restrição de alinhamento do resources.arsc</string>

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

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Убедитесь, что фреймворк Xposed запущен, а этот модуль включён.</string>
     <string name="bypass_downgrade">Разрешить понижать версию.</string>
     <string name="bypass_downgrade_summary">Разрешить переустановку приложений на прошлые версии.</string>
+    <string name="bypass_min_sdk">Обойти ограничение минимальной версии SDK</string>
+    <string name="bypass_min_sdk_summary">Разрешить установку APK, у которых minSdkVersion выше версии системы.</string>
     <string name="bypass_verification">Отключить проверку дайджеста</string>
     <string name="bypass_verification_summary">Позволяет устанавливать приложения после изменения файла в apk (игнорировать недопустимую ошибку дайджеста).</string>
     <string name="bypass_resource_arsc_restrictions">Обойти ограничение выравнивания resources.arsc</string>

app/src/main/res/values-tr-rTR/strings.xml

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">Xposed altyapısının çalıştığından ve bu modülün etkinleştirildiğinden emin olun.</string>
     <string name="bypass_downgrade">Sürüm düşürmeye izin ver</string>
     <string name="bypass_downgrade_summary">Uygulamaların sürüm düşürmesine izin ver.</string>
+    <string name="bypass_min_sdk">Minimum SDK sürümü kısıtlamasını atla</string>
+    <string name="bypass_min_sdk_summary">minSdkVersion değeri sistem sürümünden yüksek olan APK’ların yüklenmesine izin ver.</string>
     <string name="bypass_verification">Özet doğrulamayı devre dışı bırak</string>
     <string name="bypass_verification_summary">APK içindeki dosya değiştirildikten sonra uygulama yüklenmesine izin verir (geçersiz özet hatasını yoksayar).</string>
     <string name="bypass_resource_arsc_restrictions">resources.arsc hizalama kısıtlamasını atla</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">请确认 Xposed 框架正在运行，并且已启用本模块。</string>
     <string name="bypass_downgrade">允许降级安装应用</string>
     <string name="bypass_downgrade_summary">允许应用在安装新版本的情况下直接覆盖安装旧版本</string>
+    <string name="bypass_min_sdk">绕过最低 SDK 版本限制</string>
+    <string name="bypass_min_sdk_summary">允许安装 minSdkVersion 高于当前系统版本的 APK</string>
     <string name="bypass_verification">禁用软件包管理器签名验证</string>
     <string name="bypass_verification_summary">关闭安装应用时的签名验证，可以安装被篡改的应用</string>
     <string name="bypass_resource_arsc_restrictions">绕过 resources.arsc 对齐限制</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -4,6 +4,8 @@
     <string name="xposed_service_unavailable_summary">請確認 Xposed 框架正在執行，並且已啟用本模組。</string>
     <string name="bypass_downgrade">允許降版安裝應用程式</string>
     <string name="bypass_downgrade_summary">允許應用程式在安裝新版本的情況下直接覆蓋安裝舊版本</string>
+    <string name="bypass_min_sdk">略過最低 SDK 版本限制</string>
+    <string name="bypass_min_sdk_summary">允許安裝 minSdkVersion 高於目前系統版本的 APK</string>
     <string name="bypass_verification">停用套裝安裝程式簽名驗證</string>
     <string name="bypass_verification_summary">停用安裝應用程式時的簽名驗證，可以安裝被修改的應用程式</string>
     <string name="bypass_resource_arsc_restrictions">略過 resources.arsc 對齊限制</string>

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

@@ -11,6 +11,8 @@
     <string name="bypass_shared_user">Bypass shared user verification</string>
     <string name="disable_verification_agent">Disable Package Verification Agent</string>
     <string name="bypass_downgrade_summary">Allow installing an older version over a newer version.</string>
+    <string name="bypass_min_sdk">Bypass minimum SDK version check</string>
+    <string name="bypass_min_sdk_summary">Allow installing APKs whose minSdkVersion is higher than the system SDK version.</string>
     <string name="bypass_verification_summary">Allow installing APKs with invalid or modified signatures.</string>
     <string name="bypass_resource_arsc_restrictions">Bypass resources.arsc alignment restriction</string>
     <string name="bypass_resource_arsc_restrictions_summary">Allow installing APKs whose resources.arsc is compressed or not 4-byte aligned on Android 11 and later.</string>