feat: Allow choosing the vendor of GmsCore via patch options (#3347)

BREAKING CHANGE: Various APIs have been moved to `GmsCoreSupportAbstractPatch`

api/revanced-patches.api

@@ -309,20 +309,16 @@ public final class app/revanced/patches/music/misc/androidauto/BypassCertificate
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
-public final class app/revanced/patches/music/misc/microg/MicroGBytecodePatch : app/revanced/patcher/patch/BytecodePatch {
+public final class app/revanced/patches/music/misc/gms/Constants {
-	public static final field INSTANCE Lapp/revanced/patches/music/misc/microg/MicroGBytecodePatch;
+	public static final field INSTANCE Lapp/revanced/patches/music/misc/gms/Constants;
-	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/music/misc/microg/MicroGResourcePatch : app/revanced/patcher/patch/ResourcePatch {
+public final class app/revanced/patches/music/misc/gms/GmsCoreSupportPatch : app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportPatch {
-	public static final field INSTANCE Lapp/revanced/patches/music/misc/microg/MicroGResourcePatch;
+	public static final field INSTANCE Lapp/revanced/patches/music/misc/gms/GmsCoreSupportPatch;
-	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
-	public fun execute (Lapp/revanced/patcher/data/ResourceContext;)V
 }
 
-public final class app/revanced/patches/music/misc/microg/shared/Constants {
+public final class app/revanced/patches/music/misc/gms/GmsCoreSupportResourcePatch : app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportResourcePatch {
-	public static final field INSTANCE Lapp/revanced/patches/music/misc/microg/shared/Constants;
+	public static final field INSTANCE Lapp/revanced/patches/music/misc/gms/GmsCoreSupportResourcePatch;
 }
 
 public final class app/revanced/patches/music/premium/backgroundplay/BackgroundPlayPatch : app/revanced/patcher/patch/BytecodePatch {
@@ -573,6 +569,26 @@ public final class app/revanced/patches/shared/misc/fix/verticalscroll/VerticalS
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
+public abstract class app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportPatch : app/revanced/patcher/patch/BytecodePatch {
+	public fun <init> (Ljava/lang/String;Ljava/lang/String;Lapp/revanced/patcher/fingerprint/MethodFingerprint;Ljava/util/Set;Lapp/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportResourcePatch;Ljava/util/Set;Ljava/util/Set;Ljava/util/Set;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Lapp/revanced/patcher/fingerprint/MethodFingerprint;Ljava/util/Set;Lapp/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportResourcePatch;Ljava/util/Set;Ljava/util/Set;Ljava/util/Set;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+}
+
+public abstract class app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportResourcePatch : app/revanced/patcher/patch/ResourcePatch {
+	public fun <init> (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/util/Set;)V
+	public synthetic fun <init> (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/util/Set;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+	public fun execute (Lapp/revanced/patcher/data/ResourceContext;)V
+	protected final fun getGmsCoreVendor ()Ljava/lang/String;
+}
+
+public final class app/revanced/patches/shared/misc/gms/fingerprints/GmsCoreSupportFingerprint : app/revanced/patcher/fingerprint/MethodFingerprint {
+	public static final field GET_GMS_CORE_VENDOR_METHOD_NAME Ljava/lang/String;
+	public static final field INSTANCE Lapp/revanced/patches/shared/misc/gms/fingerprints/GmsCoreSupportFingerprint;
+}
+
 public abstract class app/revanced/patches/shared/settings/AbstractSettingsResourcePatch : app/revanced/patcher/patch/ResourcePatch, java/io/Closeable {
 	public fun <init> (Ljava/lang/String;Ljava/lang/String;)V
 	public fun close ()V
@@ -1394,6 +1410,18 @@ public final class app/revanced/patches/youtube/misc/fix/playback/SpoofSignature
 	public fun execute (Lapp/revanced/patcher/data/ResourceContext;)V
 }
 
+public final class app/revanced/patches/youtube/misc/gms/GmsCoreSupportPatch : app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportPatch {
+	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/gms/GmsCoreSupportPatch;
+	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/youtube/misc/gms/GmsCoreSupportResourcePatch : app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportResourcePatch {
+	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/gms/GmsCoreSupportResourcePatch;
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+	public fun execute (Lapp/revanced/patcher/data/ResourceContext;)V
+}
+
 public final class app/revanced/patches/youtube/misc/integrations/IntegrationsPatch : app/revanced/patches/shared/integrations/AbstractIntegrationsPatch {
 	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/integrations/IntegrationsPatch;
 }
@@ -1421,18 +1449,6 @@ public final class app/revanced/patches/youtube/misc/litho/filter/LithoFilterPat
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
-public final class app/revanced/patches/youtube/misc/microg/MicroGBytecodePatch : app/revanced/patcher/patch/BytecodePatch {
-	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/microg/MicroGBytecodePatch;
-	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/youtube/misc/microg/MicroGResourcePatch : app/revanced/patcher/patch/ResourcePatch {
-	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/microg/MicroGResourcePatch;
-	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
-	public fun execute (Lapp/revanced/patcher/data/ResourceContext;)V
-}
-
 public final class app/revanced/patches/youtube/misc/minimizedplayback/MinimizedPlaybackPatch : app/revanced/patcher/patch/BytecodePatch {
 	public static final field INSTANCE Lapp/revanced/patches/youtube/misc/minimizedplayback/MinimizedPlaybackPatch;
 	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V

src/main/kotlin/app/revanced/patches/music/misc/gms/Constants.kt

@@ -0,0 +1,6 @@
+package app.revanced.patches.music.misc.gms
+
+object Constants {
+    internal const val REVANCED_MUSIC_PACKAGE_NAME = "app.revanced.android.apps.youtube.music"
+    internal const val MUSIC_PACKAGE_NAME = "com.google.android.apps.youtube.music"
+}

src/main/kotlin/app/revanced/patches/music/misc/gms/GmsCoreSupportPatch.kt

@@ -0,0 +1,34 @@
+package app.revanced.patches.music.misc.gms
+
+import app.revanced.patches.music.misc.gms.Constants.MUSIC_PACKAGE_NAME
+import app.revanced.patches.music.misc.gms.Constants.REVANCED_MUSIC_PACKAGE_NAME
+import app.revanced.patches.music.misc.gms.GmsCoreSupportResourcePatch.gmsCoreVendorOption
+import app.revanced.patches.music.misc.gms.fingerprints.*
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportPatch
+import app.revanced.patches.youtube.misc.gms.fingerprints.CastContextFetchFingerprint
+
+@Suppress("unused")
+object GmsCoreSupportPatch : AbstractGmsCoreSupportPatch(
+    fromPackageName = REVANCED_MUSIC_PACKAGE_NAME,
+    toPackageName = MUSIC_PACKAGE_NAME,
+    primeMethodFingerprint = PrimeMethodFingerprint,
+    earlyReturnFingerprints = setOf(
+        ServiceCheckFingerprint,
+        GooglePlayUtilityFingerprint,
+        CastDynamiteModuleFingerprint,
+        CastDynamiteModuleV2Fingerprint,
+        CastContextFetchFingerprint,
+    ),
+    abstractGmsCoreSupportResourcePatch = GmsCoreSupportResourcePatch,
+    compatiblePackages = setOf(CompatiblePackage("com.google.android.apps.youtube.music")),
+    fingerprints = setOf(
+        ServiceCheckFingerprint,
+        GooglePlayUtilityFingerprint,
+        CastDynamiteModuleFingerprint,
+        CastDynamiteModuleV2Fingerprint,
+        CastContextFetchFingerprint,
+        PrimeMethodFingerprint,
+    )
+) {
+    override val gmsCoreVendor by gmsCoreVendorOption
+}

src/main/kotlin/app/revanced/patches/music/misc/gms/GmsCoreSupportResourcePatch.kt

@@ -0,0 +1,11 @@
+package app.revanced.patches.music.misc.gms
+
+import app.revanced.patches.music.misc.gms.Constants.MUSIC_PACKAGE_NAME
+import app.revanced.patches.music.misc.gms.Constants.REVANCED_MUSIC_PACKAGE_NAME
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportResourcePatch
+
+object GmsCoreSupportResourcePatch : AbstractGmsCoreSupportResourcePatch(
+    fromPackageName = MUSIC_PACKAGE_NAME,
+    toPackageName = REVANCED_MUSIC_PACKAGE_NAME,
+    spoofedPackageSignature = "afb0fed5eeaebdd86f56a97742f4b6b33ef59875"
+)

src/main/kotlin/app/revanced/patches/music/misc/gms/fingerprints/CastDynamiteModuleFingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.music.misc.microg.fingerprints
+package app.revanced.patches.music.misc.gms.fingerprints
 
 
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/music/misc/gms/fingerprints/CastDynamiteModuleV2Fingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.music.misc.microg.fingerprints
+package app.revanced.patches.music.misc.gms.fingerprints
 
 
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/music/misc/gms/fingerprints/GooglePlayUtilityFingerprint.kt

@@ -1,18 +1,18 @@
-package app.revanced.patches.music.misc.microg.fingerprints
+package app.revanced.patches.music.misc.gms.fingerprints
-
+
-import app.revanced.patcher.extensions.or
+import app.revanced.patcher.extensions.or
-import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.patcher.fingerprint.MethodFingerprint
-import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
-
+
-internal object GooglePlayUtilityFingerprint : MethodFingerprint(
+internal object GooglePlayUtilityFingerprint : MethodFingerprint(
-    "I",
+    "I",
-    AccessFlags.PUBLIC or AccessFlags.STATIC,
+    AccessFlags.PUBLIC or AccessFlags.STATIC,
-    listOf("L", "I"),
+    listOf("L", "I"),
-    strings = listOf(
+    strings = listOf(
-        "This should never happen.",
+        "This should never happen.",
-        "MetadataValueReader",
+        "MetadataValueReader",
-        "GooglePlayServicesUtil",
+        "GooglePlayServicesUtil",
-        "com.android.vending",
+        "com.android.vending",
-        "android.hardware.type.embedded"
+        "android.hardware.type.embedded"
-    )
+    )
 )

src/main/kotlin/app/revanced/patches/music/misc/gms/fingerprints/PrimeMethodFingerprint.kt

@@ -1,8 +1,8 @@
-package app.revanced.patches.youtube.misc.microg.fingerprints
+package app.revanced.patches.music.misc.gms.fingerprints
 
 
 import app.revanced.patcher.fingerprint.MethodFingerprint
 
-internal object PrimeFingerprint : MethodFingerprint(
+internal object PrimeMethodFingerprint : MethodFingerprint(
     strings = listOf("com.google.android.GoogleCamera", "com.android.vending")
 )

src/main/kotlin/app/revanced/patches/music/misc/gms/fingerprints/ServiceCheckFingerprint.kt

@@ -1,15 +1,14 @@
-package app.revanced.patches.music.misc.microg.fingerprints
+package app.revanced.patches.music.misc.gms.fingerprints
-
+
-import app.revanced.patcher.extensions.or
+import app.revanced.patcher.extensions.or
-import app.revanced.patcher.fingerprint.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.patcher.fingerprint.MethodFingerprint
-import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
-
+
-
+
-@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+internal object ServiceCheckFingerprint : MethodFingerprint(
-internal object ServiceCheckFingerprint : MethodFingerprint(
+    "V",
-    "V",
+    AccessFlags.PUBLIC or AccessFlags.STATIC,
-    AccessFlags.PUBLIC or AccessFlags.STATIC,
+    listOf("L", "I"),
-    listOf("L", "I"),
+    strings = listOf("Google Play Services not available")
-    strings = listOf("Google Play Services not available")
+)
-)

src/main/kotlin/app/revanced/patches/music/misc/microg/MicroGBytecodePatch.kt

@@ -1,70 +0,0 @@
-package app.revanced.patches.music.misc.microg
-
-import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.patch.BytecodePatch
-import app.revanced.patcher.patch.annotation.CompatiblePackage
-import app.revanced.patcher.patch.annotation.Patch
-import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
-import app.revanced.patches.music.misc.microg.fingerprints.*
-import app.revanced.patches.music.misc.microg.shared.Constants.MUSIC_PACKAGE_NAME
-import app.revanced.patches.music.misc.microg.shared.Constants.REVANCED_MUSIC_PACKAGE_NAME
-import app.revanced.util.microg.MicroGBytecodeHelper
-
-
-@Patch(
-    name = "Vanced MicroG support",
-    description = "Allows YouTube Music to run without root and under a different package name.",
-    dependencies = [
-        ChangePackageNamePatch::class,
-        MicroGResourcePatch::class,
-    ],
-    compatiblePackages = [
-        CompatiblePackage(
-            "com.google.android.apps.youtube.music"
-        )
-    ]
-)
-@Suppress("unused")
-object MicroGBytecodePatch : BytecodePatch(
-    setOf(
-        ServiceCheckFingerprint,
-        GooglePlayUtilityFingerprint,
-        CastDynamiteModuleFingerprint,
-        CastDynamiteModuleV2Fingerprint,
-        CastContextFetchFingerprint,
-        PrimeFingerprint,
-    )
-) {
-    // NOTE: the previous patch also replaced the following strings, but it seems like they are not needed:
-    // - "com.google.android.gms.chimera.GmsIntentOperationService",
-    // - "com.google.android.gms.phenotype.internal.IPhenotypeCallbacks",
-    // - "com.google.android.gms.phenotype.internal.IPhenotypeService",
-    // - "com.google.android.gms.phenotype.PACKAGE_NAME",
-    // - "com.google.android.gms.phenotype.UPDATE",
-    // - "com.google.android.gms.phenotype",
-    override fun execute(context: BytecodeContext) {
-        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(REVANCED_MUSIC_PACKAGE_NAME)
-
-        MicroGBytecodeHelper.patchBytecode(
-            context,
-            arrayOf(
-                MicroGBytecodeHelper.packageNameTransform(
-                    MUSIC_PACKAGE_NAME,
-                    packageName
-                )
-            ),
-            MicroGBytecodeHelper.PrimeMethodTransformationData(
-                PrimeFingerprint,
-                MUSIC_PACKAGE_NAME,
-                packageName
-            ),
-            listOf(
-                ServiceCheckFingerprint,
-                GooglePlayUtilityFingerprint,
-                CastDynamiteModuleFingerprint,
-                CastDynamiteModuleV2Fingerprint,
-                CastContextFetchFingerprint
-            )
-        )
-    }
-}

src/main/kotlin/app/revanced/patches/music/misc/microg/MicroGResourcePatch.kt

@@ -1,40 +0,0 @@
-package app.revanced.patches.music.misc.microg
-
-import app.revanced.patcher.data.ResourceContext
-import app.revanced.patcher.patch.ResourcePatch
-import app.revanced.patcher.patch.annotation.Patch
-import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
-import app.revanced.patches.music.misc.microg.shared.Constants.MUSIC_PACKAGE_NAME
-import app.revanced.patches.music.misc.microg.shared.Constants.REVANCED_MUSIC_APP_NAME
-import app.revanced.patches.music.misc.microg.shared.Constants.REVANCED_MUSIC_PACKAGE_NAME
-import app.revanced.patches.music.misc.microg.shared.Constants.SPOOFED_PACKAGE_NAME
-import app.revanced.patches.music.misc.microg.shared.Constants.SPOOFED_PACKAGE_SIGNATURE
-import app.revanced.util.microg.MicroGManifestHelper
-import app.revanced.util.microg.MicroGResourceHelper
-
-
-@Patch(
-    description = "Resource patch to allow YouTube Music ReVanced to run without root " +
-            "and under a different package name.",
-    dependencies = [ChangePackageNamePatch::class]
-)
-object MicroGResourcePatch : ResourcePatch() {
-    override fun execute(context: ResourceContext) {
-        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(REVANCED_MUSIC_PACKAGE_NAME)
-
-        // update manifest
-        MicroGResourceHelper.patchManifest(
-            context,
-            MUSIC_PACKAGE_NAME,
-            packageName,
-            REVANCED_MUSIC_APP_NAME
-        )
-
-        // add metadata to the manifest
-        MicroGManifestHelper.addSpoofingMetadata(
-            context,
-            SPOOFED_PACKAGE_NAME,
-            SPOOFED_PACKAGE_SIGNATURE
-        )
-    }
-}

src/main/kotlin/app/revanced/patches/music/misc/microg/shared/Constants.kt

@@ -1,9 +0,0 @@
-package app.revanced.patches.music.misc.microg.shared
-
-object Constants {
-    internal const val REVANCED_MUSIC_APP_NAME = "YT Music ReVanced"
-    internal const val REVANCED_MUSIC_PACKAGE_NAME = "app.revanced.android.apps.youtube.music"
-    internal const val MUSIC_PACKAGE_NAME = "com.google.android.apps.youtube.music"
-    internal const val SPOOFED_PACKAGE_NAME = MUSIC_PACKAGE_NAME
-    internal const val SPOOFED_PACKAGE_SIGNATURE = "afb0fed5eeaebdd86f56a97742f4b6b33ef59875"
-}

src/main/kotlin/app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportPatch.kt

@@ -0,0 +1,308 @@
+package app.revanced.patches.shared.misc.gms
+
+import app.revanced.patcher.PatchClass
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.getInstructions
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportPatch.Constants.ACTIONS
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportPatch.Constants.AUTHORITIES
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportPatch.Constants.PERMISSIONS
+import app.revanced.patches.shared.misc.gms.fingerprints.GmsCoreSupportFingerprint
+import app.revanced.patches.shared.misc.gms.fingerprints.GmsCoreSupportFingerprint.GET_GMS_CORE_VENDOR_METHOD_NAME
+import app.revanced.util.exception
+import app.revanced.util.returnEarly
+import com.android.tools.smali.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction21c
+import com.android.tools.smali.dexlib2.iface.instruction.formats.Instruction21c
+import com.android.tools.smali.dexlib2.iface.reference.StringReference
+import com.android.tools.smali.dexlib2.immutable.reference.ImmutableStringReference
+import com.android.tools.smali.dexlib2.util.MethodUtil
+
+/**
+ * A patch that allows Google apps to run without root and under a different package name
+ * by using GmsCore instead of Google Play Services.
+ *
+ * @param fromPackageName The package name of the original app.
+ * @param toPackageName The package name to fall back to if no custom package name is specified in patch options.
+ * @param primeMethodFingerprint The fingerprint of the "prime" method that needs to be patched.
+ * @param earlyReturnFingerprints The fingerprints of methods that need to be returned early.
+ * @param abstractGmsCoreSupportResourcePatch The corresponding resource patch that is used to patch the resources.
+ * @param dependencies Additional dependencies of this patch.
+ * @param compatiblePackages The compatible packages of this patch.
+ * @param fingerprints The fingerprints of this patch.
+ */
+abstract class AbstractGmsCoreSupportPatch(
+    private val fromPackageName: String,
+    private val toPackageName: String,
+    private val primeMethodFingerprint: MethodFingerprint,
+    private val earlyReturnFingerprints: Set<MethodFingerprint>,
+    abstractGmsCoreSupportResourcePatch: AbstractGmsCoreSupportResourcePatch,
+    dependencies: Set<PatchClass> = setOf(),
+    compatiblePackages: Set<CompatiblePackage>? = null,
+    fingerprints: Set<MethodFingerprint> = emptySet(),
+) : BytecodePatch(
+    name = "GmsCore support",
+    description = "Allows Google apps to run without root and under a different package name " +
+            "by using GmsCore instead of Google Play Services.",
+    dependencies = setOf(ChangePackageNamePatch::class, abstractGmsCoreSupportResourcePatch::class) + dependencies,
+    compatiblePackages = compatiblePackages,
+    fingerprints = setOf(GmsCoreSupportFingerprint) + fingerprints,
+    requiresIntegrations = true
+) {
+    init {
+        // Manually register all options of the resource patch so that they are visible in the patch API.
+        abstractGmsCoreSupportResourcePatch.options.values.forEach(options::register)
+    }
+
+    internal abstract val gmsCoreVendor: String?
+
+    override fun execute(context: BytecodeContext) {
+        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(toPackageName)
+
+        // Transform all strings using all provided transforms, first match wins.
+        val transformations = arrayOf(
+            ::commonTransform,
+            ::contentUrisTransform,
+            packageNameTransform(fromPackageName, packageName)
+        )
+        context.transformStringReferences transform@{ string ->
+            transformations.forEach { transform ->
+                transform(string)?.let { transformedString -> return@transform transformedString }
+            }
+
+            return@transform null
+        }
+
+        // Specific method that needs to be patched.
+        transformPrimeMethod(packageName)
+
+        // Return these methods early to prevent the app from crashing.
+        earlyReturnFingerprints.toList().returnEarly()
+
+        // Change the vendor of GmsCore in ReVanced Integrations.
+        GmsCoreSupportFingerprint.result?.mutableClass?.methods
+            ?.single { it.name == GET_GMS_CORE_VENDOR_METHOD_NAME }
+            ?.replaceInstruction(0, "const-string v0, \"$gmsCoreVendor\"")
+            ?: throw GmsCoreSupportFingerprint.exception
+    }
+
+    private fun BytecodeContext.transformStringReferences(transform: (str: String) -> String?) = classes.forEach {
+        val mutableClass by lazy {
+            proxy(it).mutableClass
+        }
+
+        it.methods.forEach classLoop@{ methodDef ->
+            val implementation = methodDef.implementation ?: return@classLoop
+
+            val mutableMethod by lazy {
+                mutableClass.methods.first { MethodUtil.methodSignaturesMatch(it, methodDef) }
+            }
+
+            implementation.instructions.forEachIndexed insnLoop@{ index, instruction ->
+                val string = ((instruction as? Instruction21c)?.reference as? StringReference)?.string
+                    ?: return@insnLoop
+
+                // Apply transformation.
+                val transformedString = transform(string) ?: return@insnLoop
+
+                mutableMethod.replaceInstruction(
+                    index,
+                    BuilderInstruction21c(
+                        Opcode.CONST_STRING,
+                        instruction.registerA,
+                        ImmutableStringReference(transformedString)
+                    )
+                )
+            }
+        }
+    }
+
+    // region Collection of transformations that are applied to all strings.
+
+    private fun commonTransform(referencedString: String): String? =
+        when (referencedString) {
+            "com.google",
+            "com.google.android.gms",
+            in PERMISSIONS,
+            in ACTIONS,
+            in AUTHORITIES -> referencedString.replace("com.google", gmsCoreVendor!!)
+
+            // No vendor prefix for whatever reason...
+            "subscribedfeeds" -> "$gmsCoreVendor.subscribedfeeds"
+            else -> null
+        }
+
+    private fun contentUrisTransform(str: String): String? {
+        // only when content:// uri
+        if (str.startsWith("content://")) {
+            // check if matches any authority
+            for (authority in AUTHORITIES) {
+                val uriPrefix = "content://$authority"
+                if (str.startsWith(uriPrefix)) {
+                    return str.replace(
+                        uriPrefix,
+                        "content://${authority.replace("com.google", gmsCoreVendor!!)}"
+                    )
+                }
+            }
+
+            // gms also has a 'subscribedfeeds' authority, check for that one too
+            val subFeedsUriPrefix = "content://subscribedfeeds"
+            if (str.startsWith(subFeedsUriPrefix)) {
+                return str.replace(subFeedsUriPrefix, "content://$gmsCoreVendor.subscribedfeeds")
+            }
+        }
+
+        return null
+
+    }
+
+    private fun packageNameTransform(fromPackageName: String, toPackageName: String): (String) -> String? = { string ->
+        when (string) {
+            "$fromPackageName.SuggestionsProvider",
+            "$fromPackageName.fileprovider" -> string.replace(fromPackageName, toPackageName)
+
+            else -> null
+        }
+    }
+
+    private fun transformPrimeMethod(packageName: String) = primeMethodFingerprint.result?.mutableMethod?.apply {
+        var register = 2
+        val index = getInstructions().indexOfFirst {
+            if (it.opcode != Opcode.CONST_STRING) return@indexOfFirst false
+
+            val instructionString = ((it as Instruction21c).reference as StringReference).string
+            if (instructionString != fromPackageName) return@indexOfFirst false
+
+            register = it.registerA
+            return@indexOfFirst true
+        }
+
+        replaceInstruction(
+            index, "const-string v$register, \"$packageName\""
+        )
+    }
+        ?: throw primeMethodFingerprint.exception
+
+    /**
+     * A collection of permissions, intents and content provider authorities
+     * that are present in GmsCore which need to be transformed.
+     *
+     * NOTE: The following were present, but it seems like they are not needed to be transformed:
+     * - com.google.android.gms.chimera.GmsIntentOperationService
+     * - com.google.android.gms.phenotype.internal.IPhenotypeCallbacks
+     * - com.google.android.gms.phenotype.internal.IPhenotypeService
+     * - com.google.android.gms.phenotype.PACKAGE_NAME
+     * - com.google.android.gms.phenotype.UPDATE
+     * - com.google.android.gms.phenotype
+     */
+    private object Constants {
+        /**
+         * A list of all permissions.
+         */
+        val PERMISSIONS = listOf(
+            // C2DM / GCM
+            "com.google.android.c2dm.permission.RECEIVE",
+            "com.google.android.c2dm.permission.SEND",
+            "com.google.android.gtalkservice.permission.GTALK_SERVICE",
+
+            // GAuth
+            "com.google.android.googleapps.permission.GOOGLE_AUTH",
+            "com.google.android.googleapps.permission.GOOGLE_AUTH.cp",
+            "com.google.android.googleapps.permission.GOOGLE_AUTH.local",
+            "com.google.android.googleapps.permission.GOOGLE_AUTH.mail",
+            "com.google.android.googleapps.permission.GOOGLE_AUTH.writely",
+        )
+
+        /**
+         * All intent actions.
+         */
+        val ACTIONS = listOf(
+            // location
+            "com.google.android.gms.location.places.ui.PICK_PLACE",
+            "com.google.android.gms.location.places.GeoDataApi",
+            "com.google.android.gms.location.places.PlacesApi",
+            "com.google.android.gms.location.places.PlaceDetectionApi",
+            "com.google.android.gms.wearable.MESSAGE_RECEIVED",
+
+            // C2DM / GCM
+            "com.google.android.c2dm.intent.REGISTER",
+            "com.google.android.c2dm.intent.REGISTRATION",
+            "com.google.android.c2dm.intent.UNREGISTER",
+            "com.google.android.c2dm.intent.RECEIVE",
+            "com.google.iid.TOKEN_REQUEST",
+            "com.google.android.gcm.intent.SEND",
+
+            // car
+            "com.google.android.gms.car.service.START",
+
+            // people
+            "com.google.android.gms.people.service.START",
+
+            // wearable
+            "com.google.android.gms.wearable.BIND",
+
+            // auth
+            "com.google.android.gsf.login",
+            "com.google.android.gsf.action.GET_GLS",
+            "com.google.android.gms.common.account.CHOOSE_ACCOUNT",
+            "com.google.android.gms.auth.login.LOGIN",
+            "com.google.android.gms.auth.api.credentials.PICKER",
+            "com.google.android.gms.auth.api.credentials.service.START",
+            "com.google.android.gms.auth.service.START",
+            "com.google.firebase.auth.api.gms.service.START",
+            "com.google.android.gms.auth.be.appcert.AppCertService",
+
+            // fido
+            "com.google.android.gms.fido.fido2.privileged.START",
+
+            // games
+            "com.google.android.gms.games.service.START",
+            "com.google.android.gms.games.PLAY_GAMES_UPGRADE",
+
+            // chimera
+            "com.google.android.gms.chimera",
+
+            // fonts
+            "com.google.android.gms.fonts",
+
+            // phenotype
+            "com.google.android.gms.phenotype.service.START",
+
+            // location
+            "com.google.android.gms.location.reporting.service.START",
+
+            // misc
+            "com.google.android.gms.gmscompliance.service.START",
+            "com.google.android.gms.oss.licenses.service.START",
+            "com.google.android.gms.safetynet.service.START",
+            "com.google.android.gms.tapandpay.service.BIND"
+        )
+
+        /**
+         * All content provider authorities.
+         */
+        val AUTHORITIES = listOf(
+            // gsf
+            "com.google.android.gsf.gservices",
+            "com.google.settings",
+
+            // auth
+            "com.google.android.gms.auth.accounts",
+
+            // chimera
+            "com.google.android.gms.chimera",
+
+            // fonts
+            "com.google.android.gms.fonts",
+
+            // phenotype
+            "com.google.android.gms.phenotype"
+        )
+    }
+
+    // endregion
+}

src/main/kotlin/app/revanced/patches/shared/misc/gms/AbstractGmsCoreSupportResourcePatch.kt

@@ -0,0 +1,112 @@
+package app.revanced.patches.shared.misc.gms
+
+import app.revanced.patcher.PatchClass
+import app.revanced.patcher.data.ResourceContext
+import app.revanced.patcher.patch.ResourcePatch
+import app.revanced.patcher.patch.options.PatchOption.PatchExtensions.stringPatchOption
+import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
+import app.revanced.util.mergeStrings
+import org.w3c.dom.Element
+import org.w3c.dom.Node
+
+/**
+ * Abstract resource patch that allows Google apps to run without root and under a different package name
+ * by using GmsCore instead of Google Play Services.
+ *
+ * @param fromPackageName The package name of the original app.
+ * @param toPackageName The package name to fall back to if no custom package name is specified in patch options.
+ * @param spoofedPackageSignature The signature of the package to spoof to.
+ * @param dependencies Additional dependencies of this patch.
+ */
+abstract class AbstractGmsCoreSupportResourcePatch(
+    private val fromPackageName: String,
+    private val toPackageName: String,
+    private val spoofedPackageSignature: String,
+    dependencies: Set<PatchClass> = setOf()
+) : ResourcePatch(dependencies = setOf(ChangePackageNamePatch::class) + dependencies) {
+    internal val gmsCoreVendorOption = stringPatchOption(
+        key = "gmsCoreVendor",
+        default = "com.mgoogle",
+        values = mapOf(
+            "Vanced" to "com.mgoogle",
+            "ReVanced" to "app.revanced"
+        ),
+        title = "GmsCore Vendor",
+        description = "The group id of the GmsCore vendor.",
+        required = true
+    ) { it!!.matches(Regex("^[a-z]\\w*(\\.[a-z]\\w*)+\$")) }
+
+    protected val gmsCoreVendor by gmsCoreVendorOption
+
+    override fun execute(context: ResourceContext) {
+        context.mergeStrings("gms/host/values/strings.xml")
+        context.patchManifest()
+        context.addSpoofingMetadata()
+    }
+
+    /**
+     * Add metadata to manifest to support spoofing the package name and signature of GmsCore.
+     */
+    private fun ResourceContext.addSpoofingMetadata() {
+        fun Node.adoptChild(tagName: String, block: Element.() -> Unit) {
+            val child = ownerDocument.createElement(tagName)
+            child.block()
+            appendChild(child)
+        }
+
+        xmlEditor["AndroidManifest.xml"].use {
+            val applicationNode = it
+                .file
+                .getElementsByTagName("application")
+                .item(0)
+
+            // Spoof package name and signature.
+            applicationNode.adoptChild("meta-data") {
+                setAttribute("android:name", "$gmsCoreVendor.android.gms.SPOOFED_PACKAGE_NAME")
+                setAttribute("android:value", fromPackageName)
+            }
+
+            applicationNode.adoptChild("meta-data") {
+                setAttribute("android:name", "$gmsCoreVendor.android.gms.SPOOFED_PACKAGE_SIGNATURE")
+                setAttribute("android:value", spoofedPackageSignature)
+            }
+
+            // GmsCore presence detection in ReVanced Integrations.
+            applicationNode.adoptChild("meta-data") {
+                // TODO: The name of this metadata should be dynamic.
+                setAttribute("android:name", "app.revanced.MICROG_PACKAGE_NAME")
+                setAttribute("android:value", "$gmsCoreVendor.android.gms")
+            }
+        }
+    }
+
+    /**
+     * Patch the manifest to support GmsCore.
+     */
+    private fun ResourceContext.patchManifest() {
+        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(toPackageName)
+
+        val manifest = this["AndroidManifest.xml"].readText()
+        this["AndroidManifest.xml"].writeText(
+            manifest.replace(
+                "package=\"$fromPackageName",
+                "package=\"$packageName"
+            ).replace(
+                "android:authorities=\"$fromPackageName",
+                "android:authorities=\"$packageName"
+            ).replace(
+                "$fromPackageName.permission.C2D_MESSAGE",
+                "$packageName.permission.C2D_MESSAGE"
+            ).replace(
+                "$fromPackageName.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION",
+                "$packageName.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION"
+            ).replace(
+                "com.google.android.c2dm",
+                "$gmsCoreVendor.android.c2dm"
+            ).replace(
+                "</queries>",
+                "<package android:name=\"$gmsCoreVendor.android.gms\"/></queries>"
+            )
+        )
+    }
+}

src/main/kotlin/app/revanced/patches/shared/misc/gms/fingerprints/GmsCoreSupportFingerprint.kt

@@ -0,0 +1,11 @@
+package app.revanced.patches.shared.misc.gms.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+
+object GmsCoreSupportFingerprint : MethodFingerprint(
+    customFingerprint = { _, classDef ->
+        classDef.type.endsWith("GmsCoreSupport;")
+    }
+) {
+    const val GET_GMS_CORE_VENDOR_METHOD_NAME = "getGmsCoreVendor"
+}

src/main/kotlin/app/revanced/patches/youtube/misc/gms/Constants.kt

@@ -0,0 +1,6 @@
+package app.revanced.patches.youtube.misc.gms
+
+internal object Constants {
+    const val YOUTUBE_PACKAGE_NAME = "com.google.android.youtube"
+    const val REVANCED_YOUTUBE_PACKAGE_NAME = "app.revanced.android.youtube"
+}

src/main/kotlin/app/revanced/patches/youtube/misc/gms/GmsCoreSupportPatch.kt

@@ -0,0 +1,67 @@
+package app.revanced.patches.youtube.misc.gms
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportPatch
+import app.revanced.patches.youtube.layout.buttons.cast.HideCastButtonPatch
+import app.revanced.patches.youtube.misc.fix.playback.ClientSpoofPatch
+import app.revanced.patches.youtube.misc.gms.Constants.REVANCED_YOUTUBE_PACKAGE_NAME
+import app.revanced.patches.youtube.misc.gms.Constants.YOUTUBE_PACKAGE_NAME
+import app.revanced.patches.youtube.misc.gms.GmsCoreSupportResourcePatch.gmsCoreVendorOption
+import app.revanced.patches.youtube.misc.gms.fingerprints.*
+import app.revanced.patches.youtube.shared.fingerprints.WatchWhileActivityFingerprint
+import app.revanced.util.exception
+
+
+@Suppress("unused")
+object GmsCoreSupportPatch : AbstractGmsCoreSupportPatch(
+    fromPackageName = YOUTUBE_PACKAGE_NAME,
+    toPackageName = REVANCED_YOUTUBE_PACKAGE_NAME,
+    primeMethodFingerprint = PrimeMethodFingerprint,
+    earlyReturnFingerprints = setOf(
+        ServiceCheckFingerprint,
+        GooglePlayUtilityFingerprint,
+        CastDynamiteModuleFingerprint,
+        CastDynamiteModuleV2Fingerprint,
+        CastContextFetchFingerprint
+    ),
+    dependencies = setOf(
+        HideCastButtonPatch::class,
+        ClientSpoofPatch::class
+    ),
+    abstractGmsCoreSupportResourcePatch = GmsCoreSupportResourcePatch,
+    compatiblePackages = setOf(
+        CompatiblePackage(
+            "com.google.android.youtube", setOf(
+                "18.32.39",
+                "18.37.36",
+                "18.38.44",
+                "18.43.45",
+                "18.44.41",
+                "18.45.41",
+                "18.45.43"
+            )
+        )
+    ),
+    fingerprints = setOf(
+        ServiceCheckFingerprint,
+        GooglePlayUtilityFingerprint,
+        CastDynamiteModuleFingerprint,
+        CastDynamiteModuleV2Fingerprint,
+        CastContextFetchFingerprint,
+        PrimeMethodFingerprint,
+        WatchWhileActivityFingerprint
+    )
+) {
+    override val gmsCoreVendor by gmsCoreVendorOption
+
+    override fun execute(context: BytecodeContext) {
+        // Check the availability of GmsCore.
+        WatchWhileActivityFingerprint.result?.mutableMethod?.addInstruction(
+            0,
+            "invoke-static {}, Lapp/revanced/integrations/patches/GmsCoreSupport;->checkAvailability()V"
+        ) ?: throw WatchWhileActivityFingerprint.exception
+
+        super.execute(context)
+    }
+}

src/main/kotlin/app/revanced/patches/youtube/misc/gms/GmsCoreSupportResourcePatch.kt

@@ -0,0 +1,33 @@
+package app.revanced.patches.youtube.misc.gms
+
+import app.revanced.patcher.data.ResourceContext
+import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
+import app.revanced.patches.shared.misc.gms.AbstractGmsCoreSupportResourcePatch
+import app.revanced.patches.shared.settings.preference.impl.Preference
+import app.revanced.patches.shared.settings.preference.impl.StringResource
+import app.revanced.patches.youtube.misc.gms.Constants.REVANCED_YOUTUBE_PACKAGE_NAME
+import app.revanced.patches.youtube.misc.gms.Constants.YOUTUBE_PACKAGE_NAME
+import app.revanced.patches.youtube.misc.settings.SettingsPatch
+
+
+object GmsCoreSupportResourcePatch : AbstractGmsCoreSupportResourcePatch(
+    fromPackageName = YOUTUBE_PACKAGE_NAME,
+    toPackageName = REVANCED_YOUTUBE_PACKAGE_NAME,
+    spoofedPackageSignature = "24bb24c05e47e0aefa68a58a766179d9b613a600",
+    dependencies = setOf(SettingsPatch::class)
+) {
+    override fun execute(context: ResourceContext) {
+        SettingsPatch.addPreference(
+            Preference(
+                StringResource("microg_settings", "GmsCore Settings"),
+                StringResource("microg_settings_summary", "Settings for GmsCore"),
+                Preference.Intent("$gmsCoreVendor.android.gms", "", "org.microg.gms.ui.SettingsActivity")
+            )
+        )
+
+        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(REVANCED_YOUTUBE_PACKAGE_NAME)
+        SettingsPatch.renameIntentsTargetPackage(packageName)
+
+        super.execute(context)
+    }
+}

src/main/kotlin/app/revanced/patches/youtube/misc/gms/fingerprints/CastContextFetchFingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.music.misc.microg.fingerprints
+package app.revanced.patches.youtube.misc.gms.fingerprints
 
 
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/youtube/misc/gms/fingerprints/CastDynamiteModuleFingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.youtube.misc.microg.fingerprints
+package app.revanced.patches.youtube.misc.gms.fingerprints
 
 
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/youtube/misc/gms/fingerprints/CastDynamiteModuleV2Fingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.youtube.misc.microg.fingerprints
+package app.revanced.patches.youtube.misc.gms.fingerprints
 
 
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/youtube/misc/gms/fingerprints/GooglePlayUtilityFingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.youtube.misc.microg.fingerprints
+package app.revanced.patches.youtube.misc.gms.fingerprints
 
 import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/youtube/misc/gms/fingerprints/PrimeMethodFingerprint.kt

@@ -1,8 +1,8 @@
-package app.revanced.patches.music.misc.microg.fingerprints
+package app.revanced.patches.youtube.misc.gms.fingerprints
-
+
-
+
-import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.patcher.fingerprint.MethodFingerprint
-
+
-internal object PrimeFingerprint : MethodFingerprint(
+internal object PrimeMethodFingerprint : MethodFingerprint(
-    strings = listOf("com.google.android.GoogleCamera", "com.android.vending")
+    strings = listOf("com.google.android.GoogleCamera", "com.android.vending")
 )

src/main/kotlin/app/revanced/patches/youtube/misc/gms/fingerprints/ServiceCheckFingerprint.kt

@@ -1,4 +1,4 @@
-package app.revanced.patches.youtube.misc.microg.fingerprints
+package app.revanced.patches.youtube.misc.gms.fingerprints
 
 import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.MethodFingerprint

src/main/kotlin/app/revanced/patches/youtube/misc/microg/MicroGBytecodePatch.kt

@@ -1,79 +0,0 @@
-package app.revanced.patches.youtube.misc.microg
-
-import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.patch.BytecodePatch
-import app.revanced.patcher.patch.annotation.CompatiblePackage
-import app.revanced.patcher.patch.annotation.Patch
-import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
-import app.revanced.patches.youtube.shared.fingerprints.WatchWhileActivityFingerprint
-import app.revanced.patches.youtube.layout.buttons.cast.HideCastButtonPatch
-import app.revanced.patches.youtube.misc.fix.playback.ClientSpoofPatch
-import app.revanced.patches.youtube.misc.microg.fingerprints.*
-import app.revanced.patches.youtube.misc.microg.shared.Constants.PACKAGE_NAME
-import app.revanced.patches.youtube.misc.microg.shared.Constants.REVANCED_PACKAGE_NAME
-import app.revanced.util.microg.MicroGBytecodeHelper
-
-@Patch(
-    name = "Vanced MicroG support",
-    description = "Allows YouTube to run without root and under a different package name with Vanced MicroG.",
-    dependencies = [
-        ChangePackageNamePatch::class,
-        MicroGResourcePatch::class,
-        HideCastButtonPatch::class,
-        ClientSpoofPatch::class
-    ],
-    compatiblePackages = [
-        CompatiblePackage(
-            "com.google.android.youtube", [
-                "18.32.39",
-                "18.37.36",
-                "18.38.44",
-                "18.43.45",
-                "18.44.41",
-                "18.45.41",
-                "18.45.43"
-            ]
-        )
-    ]
-)
-@Suppress("unused")
-object MicroGBytecodePatch : BytecodePatch(
-    setOf(
-        ServiceCheckFingerprint,
-        GooglePlayUtilityFingerprint,
-        CastDynamiteModuleFingerprint,
-        CastDynamiteModuleV2Fingerprint,
-        CastContextFetchFingerprint,
-        PrimeFingerprint,
-        WatchWhileActivityFingerprint
-    )
-) {
-    override fun execute(context: BytecodeContext) {
-        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(REVANCED_PACKAGE_NAME)
-
-        // apply common microG patch
-        MicroGBytecodeHelper.patchBytecode(
-            context, arrayOf(
-                MicroGBytecodeHelper.packageNameTransform(
-                    PACKAGE_NAME,
-                    packageName
-                )
-            ),
-            MicroGBytecodeHelper.PrimeMethodTransformationData(
-                PrimeFingerprint,
-                PACKAGE_NAME,
-                packageName
-            ),
-            listOf(
-                ServiceCheckFingerprint,
-                GooglePlayUtilityFingerprint,
-                CastDynamiteModuleFingerprint,
-                CastDynamiteModuleV2Fingerprint,
-                CastContextFetchFingerprint
-            )
-        )
-
-        // inject the notice for MicroG
-        MicroGBytecodeHelper.injectNotice(WatchWhileActivityFingerprint)
-    }
-}

src/main/kotlin/app/revanced/patches/youtube/misc/microg/MicroGResourcePatch.kt

@@ -1,57 +0,0 @@
-package app.revanced.patches.youtube.misc.microg
-
-import app.revanced.patcher.data.ResourceContext
-import app.revanced.patcher.patch.ResourcePatch
-import app.revanced.patcher.patch.annotation.Patch
-import app.revanced.patches.all.misc.packagename.ChangePackageNamePatch
-import app.revanced.patches.shared.settings.preference.impl.Preference
-import app.revanced.patches.shared.settings.preference.impl.StringResource
-import app.revanced.patches.youtube.misc.microg.shared.Constants.PACKAGE_NAME
-import app.revanced.patches.youtube.misc.microg.shared.Constants.REVANCED_APP_NAME
-import app.revanced.patches.youtube.misc.microg.shared.Constants.REVANCED_PACKAGE_NAME
-import app.revanced.patches.youtube.misc.microg.shared.Constants.SPOOFED_PACKAGE_NAME
-import app.revanced.patches.youtube.misc.microg.shared.Constants.SPOOFED_PACKAGE_SIGNATURE
-import app.revanced.patches.youtube.misc.settings.SettingsPatch
-import app.revanced.util.microg.Constants.MICROG_VENDOR
-import app.revanced.util.microg.MicroGManifestHelper
-import app.revanced.util.microg.MicroGResourceHelper
-
-@Patch(
-    dependencies = [
-        SettingsPatch::class,
-        ChangePackageNamePatch::class
-    ]
-)
-object MicroGResourcePatch : ResourcePatch() {
-    override fun execute(context: ResourceContext) {
-        SettingsPatch.addPreference(
-            Preference(
-                StringResource("microg_settings", "MicroG Settings"),
-                StringResource("microg_settings_summary", "Settings for MicroG"),
-                Preference.Intent("$MICROG_VENDOR.android.gms", "", "org.microg.gms.ui.SettingsActivity")
-            )
-        )
-
-        val packageName = ChangePackageNamePatch.setOrGetFallbackPackageName(REVANCED_PACKAGE_NAME)
-
-        SettingsPatch.renameIntentsTargetPackage(packageName)
-
-        // update manifest
-        MicroGResourceHelper.patchManifest(
-            context,
-            PACKAGE_NAME,
-            packageName,
-            REVANCED_APP_NAME
-        )
-
-        // add metadata to manifest
-        MicroGManifestHelper.addSpoofingMetadata(
-            context,
-            SPOOFED_PACKAGE_NAME,
-            SPOOFED_PACKAGE_SIGNATURE
-        )
-
-        // add strings
-        MicroGResourceHelper.addStrings(context)
-    }
-}

src/main/kotlin/app/revanced/patches/youtube/misc/microg/fingerprints/CastContextFetchFingerprint.kt

@@ -1,8 +0,0 @@
-package app.revanced.patches.youtube.misc.microg.fingerprints
-
-
-import app.revanced.patcher.fingerprint.MethodFingerprint
-
-internal object CastContextFetchFingerprint : MethodFingerprint(
-    strings = listOf("Error fetching CastContext.")
-)

src/main/kotlin/app/revanced/patches/youtube/misc/microg/shared/Constants.kt

@@ -1,9 +0,0 @@
-package app.revanced.patches.youtube.misc.microg.shared
-
-internal object Constants {
-    const val REVANCED_APP_NAME = "YouTube ReVanced"
-    const val REVANCED_PACKAGE_NAME = "app.revanced.android.youtube"
-    const val PACKAGE_NAME = "com.google.android.youtube"
-    const val SPOOFED_PACKAGE_NAME = PACKAGE_NAME
-    const val SPOOFED_PACKAGE_SIGNATURE = "24bb24c05e47e0aefa68a58a766179d9b613a600"
-}

src/main/kotlin/app/revanced/util/microg/Constants.kt

@@ -1,130 +0,0 @@
-package app.revanced.util.microg
-
-/**
- * constants for microG builds with signature spoofing
- */
-internal object Constants {
-    /**
-     * microG vendor name
-     * aka. package prefix / package base
-     */
-    const val MICROG_VENDOR = "com.mgoogle"
-
-    /**
-     * meta-data for microG package name spoofing on patched builds
-     */
-    const val META_SPOOFED_PACKAGE_NAME = "$MICROG_VENDOR.android.gms.SPOOFED_PACKAGE_NAME"
-
-    /**
-     * meta-data for microG package signature spoofing on patched builds
-     */
-    const val META_SPOOFED_PACKAGE_SIGNATURE = "$MICROG_VENDOR.android.gms.SPOOFED_PACKAGE_SIGNATURE"
-
-    /**
-     * meta-data for microG package detection
-     */
-    const val META_GMS_PACKAGE_NAME = "app.revanced.MICROG_PACKAGE_NAME"
-
-    /**
-     * a list of all permissions in microG
-     */
-    val PERMISSIONS = listOf(
-        // C2DM / GCM
-        "com.google.android.c2dm.permission.RECEIVE",
-        "com.google.android.c2dm.permission.SEND",
-        "com.google.android.gtalkservice.permission.GTALK_SERVICE",
-
-        // GAuth
-        "com.google.android.googleapps.permission.GOOGLE_AUTH",
-        "com.google.android.googleapps.permission.GOOGLE_AUTH.cp",
-        "com.google.android.googleapps.permission.GOOGLE_AUTH.local",
-        "com.google.android.googleapps.permission.GOOGLE_AUTH.mail",
-        "com.google.android.googleapps.permission.GOOGLE_AUTH.writely",
-    )
-
-    /**
-     * a list of all (intent) actions in microG
-     */
-    val ACTIONS = listOf(
-        // location
-        "com.google.android.gms.location.places.ui.PICK_PLACE",
-        "com.google.android.gms.location.places.GeoDataApi",
-        "com.google.android.gms.location.places.PlacesApi",
-        "com.google.android.gms.location.places.PlaceDetectionApi",
-        "com.google.android.gms.wearable.MESSAGE_RECEIVED",
-
-        // C2DM / GCM
-        "com.google.android.c2dm.intent.REGISTER",
-        "com.google.android.c2dm.intent.REGISTRATION",
-        "com.google.android.c2dm.intent.UNREGISTER",
-        "com.google.android.c2dm.intent.RECEIVE",
-        "com.google.iid.TOKEN_REQUEST",
-        "com.google.android.gcm.intent.SEND",
-
-        // car
-        "com.google.android.gms.car.service.START",
-
-        // people
-        "com.google.android.gms.people.service.START",
-
-        // wearable
-        "com.google.android.gms.wearable.BIND",
-
-        // auth
-        "com.google.android.gsf.login",
-        "com.google.android.gsf.action.GET_GLS",
-        "com.google.android.gms.common.account.CHOOSE_ACCOUNT",
-        "com.google.android.gms.auth.login.LOGIN",
-        "com.google.android.gms.auth.api.credentials.PICKER",
-        "com.google.android.gms.auth.api.credentials.service.START",
-        "com.google.android.gms.auth.service.START",
-        "com.google.firebase.auth.api.gms.service.START",
-        "com.google.android.gms.auth.be.appcert.AppCertService",
-
-        // fido
-        "com.google.android.gms.fido.fido2.privileged.START",
-
-        // games
-        "com.google.android.gms.games.service.START",
-        "com.google.android.gms.games.PLAY_GAMES_UPGRADE",
-
-        // chimera
-        "com.google.android.gms.chimera",
-
-        // fonts
-        "com.google.android.gms.fonts",
-
-        // phenotype
-        "com.google.android.gms.phenotype.service.START",
-
-        // location
-        "com.google.android.gms.location.reporting.service.START",
-
-        // misc
-        "com.google.android.gms.gmscompliance.service.START",
-        "com.google.android.gms.oss.licenses.service.START",
-        "com.google.android.gms.safetynet.service.START",
-        "com.google.android.gms.tapandpay.service.BIND"
-    )
-
-    /**
-     * a list of all content provider authorities in microG
-     */
-    val AUTHORITIES = listOf(
-        // gsf
-        "com.google.android.gsf.gservices",
-        "com.google.settings",
-
-        // auth
-        "com.google.android.gms.auth.accounts",
-
-        // chimera
-        "com.google.android.gms.chimera",
-
-        // fonts
-        "com.google.android.gms.fonts",
-
-        // phenotype
-        "com.google.android.gms.phenotype"
-    )
-}

src/main/kotlin/app/revanced/util/microg/MicroGBytecodeHelper.kt

@@ -1,215 +0,0 @@
-package app.revanced.util.microg
-
-import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
-import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
-import app.revanced.patcher.fingerprint.MethodFingerprint
-import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
-import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import app.revanced.util.returnEarly
-import app.revanced.util.microg.Constants.ACTIONS
-import app.revanced.util.microg.Constants.AUTHORITIES
-import app.revanced.util.microg.Constants.MICROG_VENDOR
-import app.revanced.util.microg.Constants.PERMISSIONS
-import com.android.tools.smali.dexlib2.Opcode
-import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction21c
-import com.android.tools.smali.dexlib2.iface.instruction.formats.Instruction21c
-import com.android.tools.smali.dexlib2.iface.reference.StringReference
-import com.android.tools.smali.dexlib2.immutable.reference.ImmutableStringReference
-
-/**
- * Helper class for applying bytecode patches needed for the microg-support patches.
- */
-internal object MicroGBytecodeHelper {
-    /**
-     * Hook a method to check the availability of MicroG.
-     *
-     * @param fingerprint The fingerprint of the method to add the call for the notice in.
-     */
-    fun injectNotice(fingerprint: MethodFingerprint) {
-        fingerprint.result!!.mutableMethod.addInstruction(
-            0,
-            "invoke-static {}, Lapp/revanced/integrations/patches/MicroGSupport;->checkAvailability()V"
-        )
-    }
-
-    /**
-     * Transform strings with package name out of [fromPackageName] and [toPackageName].
-     *
-     * @param fromPackageName Original package name.
-     * @param toPackageName The package name to accept.
-     **/
-    fun packageNameTransform(fromPackageName: String, toPackageName: String): (String) -> String? {
-        return { referencedString ->
-            when (referencedString) {
-                "$fromPackageName.SuggestionsProvider",
-                "$fromPackageName.fileprovider" -> referencedString.replace(fromPackageName, toPackageName)
-                else -> null
-            }
-        }
-    }
-
-    /**
-     * Prime method data class for the [MicroGBytecodeHelper] class.
-     *
-     * @param primeMethodFingerprint The prime methods [MethodFingerprint].
-     * @param fromPackageName Original package name.
-     * @param toPackageName The package name to accept.
-     **/
-    data class PrimeMethodTransformationData(
-        val primeMethodFingerprint: MethodFingerprint,
-        val fromPackageName: String,
-        val toPackageName: String
-    ) {
-        /**
-         * Patch the prime method to accept the new package name.
-         */
-        fun transformPrimeMethodPackageName() {
-            val primeMethod = primeMethodFingerprint.result!!.mutableMethod
-            val implementation = primeMethod.implementation!!
-
-            var register = 2
-            val index = implementation.instructions.indexOfFirst {
-                if (it.opcode != Opcode.CONST_STRING) return@indexOfFirst false
-
-                val instructionString = ((it as Instruction21c).reference as StringReference).string
-                if (instructionString != fromPackageName) return@indexOfFirst false
-
-                register = it.registerA
-                return@indexOfFirst true
-            }
-
-            primeMethod.replaceInstruction(
-                index, "const-string v$register, \"$toPackageName\""
-            )
-        }
-    }
-
-    /**
-     * Patch the bytecode to work with MicroG.
-     * Note: this only handles string constants to gms (intent actions, authorities, ...).
-     * If the app employs additional checks to validate the installed gms package, you'll have to handle those in the app- specific patch
-     *
-     * @param context The context.
-     * @param additionalStringTransforms Additional transformations applied to all const-string references.
-     * @param primeMethodTransformationData Data to patch the prime method.
-     * @param earlyReturns List of [MethodFingerprint] to return the resolved methods early.
-     */
-    fun patchBytecode(
-        context: BytecodeContext,
-        additionalStringTransforms: Array<(str: String) -> String?>,
-        primeMethodTransformationData: PrimeMethodTransformationData,
-        earlyReturns: List<MethodFingerprint>
-    ) {
-        earlyReturns.returnEarly()
-        primeMethodTransformationData.transformPrimeMethodPackageName()
-
-        val allTransforms = arrayOf(
-            MicroGBytecodeHelper::commonTransform,
-            MicroGBytecodeHelper::contentUrisTransform,
-            *additionalStringTransforms
-        )
-
-        // transform all strings using all provided transforms, first match wins
-        context.transformStringReferences transform@{
-            for (transformFn in allTransforms) {
-                val s = transformFn(it)
-                if (s != null) return@transform s
-            }
-
-            return@transform null
-        }
-    }
-
-    /**
-     * const-string transform function for common gms string references.
-     *
-     * @param referencedString The string to transform.
-     */
-    private fun commonTransform(referencedString: String): String? =
-        when (referencedString) {
-            "com.google",
-            "com.google.android.gms",
-            in PERMISSIONS,
-            in ACTIONS,
-            in AUTHORITIES -> referencedString.replace("com.google", MICROG_VENDOR)
-
-            // subscribedfeeds has no vendor prefix for whatever reason...
-            "subscribedfeeds" -> "${MICROG_VENDOR}.subscribedfeeds"
-            else -> null
-        }
-
-
-    /**
-     * const-string transform function for strings containing gms content uris / authorities.
-     */
-    private fun contentUrisTransform(str: String): String? {
-        // only when content:// uri
-        if (str.startsWith("content://")) {
-            // check if matches any authority
-            for (authority in AUTHORITIES) {
-                val uriPrefix = "content://$authority"
-                if (str.startsWith(uriPrefix)) {
-                    return str.replace(
-                        uriPrefix,
-                        "content://${authority.replace("com.google", MICROG_VENDOR)}"
-                    )
-                }
-            }
-
-            // gms also has a 'subscribedfeeds' authority, check for that one too
-            val subFeedsUriPrefix = "content://subscribedfeeds"
-            if (str.startsWith(subFeedsUriPrefix)) {
-                return str.replace(subFeedsUriPrefix, "content://${MICROG_VENDOR}.subscribedfeeds")
-            }
-        }
-
-        return null
-    }
-
-    /**
-     * Transform all constant string references using a transformation function.
-     *
-     * @param transformFn string transformation function. if null, string is not changed.
-     */
-    private fun BytecodeContext.transformStringReferences(transformFn: (str: String) -> String?) {
-        classes.forEach { classDef ->
-            var mutableClass: MutableClass? = null
-
-            // enumerate all methods
-            classDef.methods.forEach classLoop@{ methodDef ->
-                var mutableMethod: MutableMethod? = null
-                val implementation = methodDef.implementation ?: return@classLoop
-
-                // enumerate all instructions and find const-string
-                implementation.instructions.forEachIndexed implLoop@{ index, instruction ->
-                    // skip all that are not const-string
-                    if (instruction.opcode != Opcode.CONST_STRING) return@implLoop
-                    val str = ((instruction as Instruction21c).reference as StringReference).string
-
-                    // call transform function
-                    val transformedStr = transformFn(str)
-                    if (transformedStr != null) {
-                        // make class and method mutable, if not already
-                        mutableClass = mutableClass ?: proxy(classDef).mutableClass
-                        mutableMethod = mutableMethod ?: mutableClass!!.methods.first {
-                            it.name == methodDef.name && it.parameterTypes.containsAll(methodDef.parameterTypes)
-                        }
-
-                        // replace instruction with updated string
-                        mutableMethod!!.implementation!!.replaceInstruction(
-                            index,
-                            BuilderInstruction21c(
-                                Opcode.CONST_STRING,
-                                instruction.registerA,
-                                ImmutableStringReference(
-                                    transformedStr
-                                )
-                            )
-                        )
-                    }
-                }
-            }
-        }
-    }
-}

src/main/kotlin/app/revanced/util/microg/MicroGManifestHelper.kt

@@ -1,58 +0,0 @@
-package app.revanced.util.microg
-
-import app.revanced.patcher.data.ResourceContext
-import app.revanced.util.microg.Constants.META_GMS_PACKAGE_NAME
-import app.revanced.util.microg.Constants.META_SPOOFED_PACKAGE_NAME
-import app.revanced.util.microg.Constants.META_SPOOFED_PACKAGE_SIGNATURE
-import app.revanced.util.microg.Constants.MICROG_VENDOR
-import org.w3c.dom.Element
-import org.w3c.dom.Node
-
-/**
- * helper class for adding manifest metadata needed for microG builds with signature spoofing
- */
-internal object MicroGManifestHelper {
-
-    /**
-     * Add manifest entries needed for package and signature spoofing when using MicroG.
-     * Note: this only adds metadata entries for signature spoofing, other changes may still be required to make a microG patch work.
-     *
-     * @param context Resource context.
-     * @param spoofedPackage The package to spoof.
-     * @param spoofedSignature The signature to spoof.
-     */
-    fun addSpoofingMetadata(
-        context: ResourceContext,
-        spoofedPackage: String,
-        spoofedSignature: String
-    ) {
-        context.xmlEditor["AndroidManifest.xml"].use {
-            val applicationNode = it
-                .file
-                .getElementsByTagName("application")
-                .item(0)
-
-            // package spoofing
-            applicationNode.adoptChild("meta-data") {
-                setAttribute("android:name", META_SPOOFED_PACKAGE_NAME)
-                setAttribute("android:value", spoofedPackage)
-            }
-            applicationNode.adoptChild("meta-data") {
-                setAttribute("android:name", META_SPOOFED_PACKAGE_SIGNATURE)
-                setAttribute("android:value", spoofedSignature)
-            }
-
-            // microG presence detection in integrations
-            applicationNode.adoptChild("meta-data") {
-                setAttribute("android:name", META_GMS_PACKAGE_NAME)
-                setAttribute("android:value", "${MICROG_VENDOR}.android.gms")
-            }
-        }
-    }
-
-    private fun Node.adoptChild(tagName: String, block: Element.() -> Unit) {
-        val child = ownerDocument.createElement(tagName)
-        child.block()
-        appendChild(child)
-    }
-}

src/main/kotlin/app/revanced/util/microg/MicroGResourceHelper.kt

@@ -1,63 +0,0 @@
-package app.revanced.util.microg
-
-import app.revanced.patcher.data.ResourceContext
-import app.revanced.util.mergeStrings
-
-/**
- * Helper class for applying resource patches needed for the microg-support patches.
- */
-internal object MicroGResourceHelper {
-
-    /**
-     * Add necessary strings to the strings.xml file.
-     *
-     * @param context The resource context.
-     * @param stringsHost The file which hosts the strings.
-     */
-    fun addStrings(context: ResourceContext, stringsHost: String = "microg/host/values/strings.xml") =
-        context.mergeStrings(stringsHost)
-
-    /**
-     * Patch the manifest to work with MicroG.
-     *
-     * @param context The resource context.
-     * @param fromPackageName The original package name.
-     * @param toPackageName The package name to accept.
-     * @param toName The new name of the app.
-     */
-    fun patchManifest(
-        context: ResourceContext,
-        fromPackageName: String,
-        toPackageName: String,
-        toName: String
-    ) {
-        val manifest = context["AndroidManifest.xml"].readText()
-        context["AndroidManifest.xml"].writeText(
-            manifest.replace(
-                "package=\"$fromPackageName",
-                "package=\"$toPackageName"
-            ).replace(
-                "android:label=\"@string/app_name",
-                "android:label=\"$toName"
-            ).replace(
-                "android:label=\"@string/app_launcher_name",
-                "android:label=\"$toName"
-            ).replace(
-                "android:authorities=\"$fromPackageName",
-                "android:authorities=\"$toPackageName"
-            ).replace(
-                "$fromPackageName.permission.C2D_MESSAGE",
-                "$toPackageName.permission.C2D_MESSAGE"
-            ).replace(
-                "$fromPackageName.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION",
-                "$toPackageName.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION"
-            ).replace(
-                "com.google.android.c2dm",
-                "${Constants.MICROG_VENDOR}.android.c2dm"
-            ).replace(
-                "</queries>",
-                "<package android:name=\"${Constants.MICROG_VENDOR}.android.gms\"/></queries>"
-            )
-        )
-    }
-}

src/main/resources/gms/host/values/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="gms_core_not_installed_warning">GmsCore is not installed. Please install it.</string>
+    <string name="gms_core_not_running_warning">GmsCore is failing to run. Please follow the "Don't kill my app" guide for GmsCore.</string>
+</resources>

src/main/resources/microg/host/values/strings.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="microg_not_installed_warning">Vanced MicroG is not installed. Please install it.</string>
-    <string name="microg_not_running_warning">Vanced MicroG is failing to run. Please follow the "Don't kill my app" guide for Vanced MicroG.</string>
-</resources>