fix(YouTube - Downloads): Use new task context (#2841)

api/revanced-patches.api

@@ -1748,6 +1748,7 @@ public final class app/revanced/util/BytecodeUtilsKt {
 	public static final fun indexOfFirstInstruction (Lcom/android/tools/smali/dexlib2/iface/Method;Lkotlin/jvm/functions/Function1;)I
 	public static final fun indexOfFirstWideLiteralInstructionValue (Lcom/android/tools/smali/dexlib2/iface/Method;J)I
 	public static final fun injectHideViewCall (Lapp/revanced/patcher/util/proxy/mutableTypes/MutableMethod;IILjava/lang/String;Ljava/lang/String;)V
+	public static final fun resultOrThrow (Lapp/revanced/patcher/fingerprint/MethodFingerprint;)Lapp/revanced/patcher/fingerprint/MethodFingerprintResult;
 	public static final fun returnEarly (Ljava/util/List;Z)V
 	public static synthetic fun returnEarly$default (Ljava/util/List;ZILjava/lang/Object;)V
 	public static final fun transformMethods (Lapp/revanced/patcher/util/proxy/mutableTypes/MutableClass;Lkotlin/jvm/functions/Function1;)V

src/main/kotlin/app/revanced/patches/shared/misc/integrations/BaseIntegrationsPatch.kt

@@ -64,8 +64,8 @@ abstract class BaseIntegrationsPatch(
 
                 method.addInstruction(
                     0,
-                    "sput-object v$contextRegister, " +
+                    "invoke-static/range { v$contextRegister .. v$contextRegister }, " +
-                        "$integrationsDescriptor->context:Landroid/content/Context;",
+                        "$integrationsDescriptor->setContext(Landroid/content/Context;)V",
                 )
             } ?: throw PatchException("Could not find hook target fingerprint.")
         }

src/main/kotlin/app/revanced/patches/youtube/interaction/downloads/DownloadsPatch.kt

@@ -1,16 +1,18 @@
 package app.revanced.patches.youtube.interaction.downloads
 
 import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
 import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
-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.patcher.util.smali.ExternalLabel
+import app.revanced.patches.youtube.interaction.downloads.fingerprints.DownloadActionCommandResolverFingerprint
-import app.revanced.patches.youtube.interaction.downloads.fingerprints.DownloadButtonActionFingerprint
+import app.revanced.patches.youtube.interaction.downloads.fingerprints.DownloadActionCommandResolverParentFingerprint
+import app.revanced.patches.youtube.interaction.downloads.fingerprints.LegacyDownloadCommandResolverFingerprint
 import app.revanced.patches.youtube.misc.playercontrols.PlayerControlsBytecodePatch
+import app.revanced.patches.youtube.shared.fingerprints.MainActivityFingerprint
 import app.revanced.patches.youtube.video.information.VideoInformationPatch
-import app.revanced.util.exception
+import app.revanced.util.resultOrThrow
 
 @Patch(
     name = "Downloads",
@@ -39,8 +41,10 @@ import app.revanced.util.exception
 @Suppress("unused")
 object DownloadsPatch : BytecodePatch(
     setOf(
-        DownloadButtonActionFingerprint,
+        DownloadActionCommandResolverParentFingerprint,
-    ),
+        LegacyDownloadCommandResolverFingerprint,
+        MainActivityFingerprint
+    )
 ) {
     private const val INTEGRATIONS_CLASS_DESCRIPTOR = "Lapp/revanced/integrations/youtube/patches/DownloadsPatch;"
     private const val BUTTON_DESCRIPTOR = "Lapp/revanced/integrations/youtube/videoplayer/ExternalDownloadButton;"
@@ -49,19 +53,46 @@ object DownloadsPatch : BytecodePatch(
         PlayerControlsBytecodePatch.initializeControl("$BUTTON_DESCRIPTOR->initializeButton(Landroid/view/View;)V")
         PlayerControlsBytecodePatch.injectVisibilityCheckCall("$BUTTON_DESCRIPTOR->changeVisibility(Z)V")
 
-        DownloadButtonActionFingerprint.result?.let {
+        // Main activity is used to launch downloader intent.
-            it.mutableMethod.apply {
+        MainActivityFingerprint.resultOrThrow().mutableMethod.apply {
-                addInstructionsWithLabels(
+            addInstruction(
-                    2,
+                implementation!!.instructions.lastIndex,
-                    """
+                "invoke-static { p0 }, $INTEGRATIONS_CLASS_DESCRIPTOR->activityCreated(Landroid/app/Activity;)V"
-                            invoke-static {}, $INTEGRATIONS_CLASS_DESCRIPTOR->inAppDownloadButtonOnClick()Z
+            )
-                            move-result v0
+        }
-                            if-eqz v0, :show_dialog
+
-                            return-void
+        val commonInstructions = """
-                        """,
+            move-result v0
-                    ExternalLabel("show_dialog", getInstruction(2)),
+            if-eqz v0, :show_native_downloader
+            return-void
+            :show_native_downloader
+            nop
+        """
+
+        DownloadActionCommandResolverFingerprint.resolve(context,
+            DownloadActionCommandResolverParentFingerprint.resultOrThrow().classDef)
+        DownloadActionCommandResolverFingerprint.resultOrThrow().mutableMethod.apply {
+            addInstructionsWithLabels(
+                0,
+                """
+                    invoke-static {}, $INTEGRATIONS_CLASS_DESCRIPTOR->inAppDownloadButtonOnClick()Z
+                    $commonInstructions
+                """
+            )
+        }
+
+        // Legacy fingerprint is used for old spoofed versions,
+        // or if download playlist is pressed on any version.
+        // Downloading playlists is not yet supported,
+        // as the code this hooks does not easily expost the playlist id.
+        LegacyDownloadCommandResolverFingerprint.resultOrThrow().mutableMethod.apply {
+            addInstructionsWithLabels(
+                0,
+                """
+                    invoke-static/range {p1 .. p1}, $INTEGRATIONS_CLASS_DESCRIPTOR->inAppDownloadPlaylistLegacyOnClick(Ljava/lang/String;)Z
+                    $commonInstructions
+                """
             )
         }
-        } ?: throw DownloadButtonActionFingerprint.exception
     }
 }

src/main/kotlin/app/revanced/patches/youtube/interaction/downloads/DownloadsResourcePatch.kt

@@ -31,8 +31,8 @@ internal object DownloadsResourcePatch : ResourcePatch() {
                 sorting = Sorting.UNSORTED,
                 preferences = setOf(
                     SwitchPreference("revanced_external_downloader"),
+                    SwitchPreference("revanced_external_downloader_action_button"),
                     TextPreference("revanced_external_downloader_name", inputType = InputType.TEXT),
-                    SwitchPreference("revanced_use_in_app_download_button"),
                 ),
             ),
         )

src/main/kotlin/app/revanced/patches/youtube/interaction/downloads/fingerprints/DownloadActionCommandResolverFingerprint.kt

@@ -0,0 +1,14 @@
+package app.revanced.patches.youtube.interaction.downloads.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+
+/**
+ * Resolves to the class found in [DownloadActionCommandResolverParentFingerprint].
+ */
+internal object DownloadActionCommandResolverFingerprint : MethodFingerprint(
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    returnType = "V",
+    parameters = listOf("L", "Ljava/util/Map;")
+)

src/main/kotlin/app/revanced/patches/youtube/interaction/downloads/fingerprints/DownloadActionCommandResolverParentFingerprint.kt

@@ -0,0 +1,17 @@
+package app.revanced.patches.youtube.interaction.downloads.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.util.patch.LiteralValueFingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+
+internal object DownloadActionCommandResolverParentFingerprint : LiteralValueFingerprint(
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    returnType = "V",
+    parameters = listOf("L", "L"),
+    strings = listOf(
+        // Strings are not unique and found in other methods.
+        "com.google.android.libraries.youtube.logging.interaction_logger",
+        "Unknown command"
+        ),
+    literalSupplier = { 16 }
+)

src/main/kotlin/app/revanced/patches/youtube/interaction/downloads/fingerprints/DownloadButtonActionFingerprint.kt

@@ -1,7 +0,0 @@
-package app.revanced.patches.youtube.interaction.downloads.fingerprints
-
-import app.revanced.patcher.fingerprint.MethodFingerprint
-
-internal object DownloadButtonActionFingerprint : MethodFingerprint(
-    strings = listOf("offline/get_download_action"),
-)

src/main/kotlin/app/revanced/patches/youtube/interaction/downloads/fingerprints/LegacyDownloadCommandResolverFingerprint.kt

@@ -0,0 +1,24 @@
+package app.revanced.patches.youtube.interaction.downloads.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
+
+/**
+ * For spoofing to older versions.  Also called if download playlist is pressed for any version.
+ */
+internal object LegacyDownloadCommandResolverFingerprint : MethodFingerprint(
+    accessFlags = AccessFlags.PRIVATE or AccessFlags.FINAL,
+    returnType = "V",
+    parameters = listOf("Ljava/lang/String;", "Ljava/lang/String;", "L", "L"),
+    strings = listOf(""),
+    opcodes = listOf(
+        Opcode.MOVE_OBJECT_FROM16,
+        Opcode.MOVE_OBJECT_FROM16,
+        Opcode.NEW_INSTANCE,
+        Opcode.INVOKE_DIRECT,
+        Opcode.IGET_OBJECT,
+        Opcode.IF_NEZ,
+    )
+)

src/main/kotlin/app/revanced/patches/youtube/layout/returnyoutubedislike/ReturnYouTubeDislikePatch.kt

@@ -32,6 +32,7 @@ import app.revanced.patches.youtube.video.videoid.VideoIdPatch
 import app.revanced.util.exception
 import app.revanced.util.getReference
 import app.revanced.util.indexOfFirstInstruction
+import app.revanced.util.resultOrThrow
 import com.android.tools.smali.dexlib2.Opcode
 import com.android.tools.smali.dexlib2.iface.instruction.FiveRegisterInstruction
 import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
@@ -88,8 +89,6 @@ object ReturnYouTubeDislikePatch : BytecodePatch(
     private const val FILTER_CLASS_DESCRIPTOR =
         "Lapp/revanced/integrations/youtube/patches/components/ReturnYouTubeDislikeFilterPatch;"
 
-    private fun MethodFingerprint.resultOrThrow() = result ?: throw exception
-
     override fun execute(context: BytecodeContext) {
         // region Inject newVideoLoaded event handler to update dislikes when a new video is loaded.
 

src/main/kotlin/app/revanced/patches/youtube/layout/thumbnails/AlternativeThumbnailsPatch.kt

@@ -23,7 +23,7 @@ import app.revanced.patches.youtube.layout.thumbnails.fingerprints.cronet.reques
 import app.revanced.patches.youtube.layout.thumbnails.fingerprints.cronet.request.callback.OnSucceededFingerprint
 import app.revanced.patches.youtube.misc.integrations.IntegrationsPatch
 import app.revanced.patches.youtube.misc.settings.SettingsPatch
-import app.revanced.util.exception
+import app.revanced.util.resultOrThrow
 import com.android.tools.smali.dexlib2.AccessFlags
 import com.android.tools.smali.dexlib2.Opcode
 import com.android.tools.smali.dexlib2.builder.MutableMethodImplementation
@@ -144,11 +144,8 @@ object AlternativeThumbnailsPatch : BytecodePatch(
             NonInteractivePreference("revanced_alt_thumbnail_stills_about"),
         )
 
-        fun MethodFingerprint.getResultOrThrow() =
-            result ?: throw exception
-
         fun MethodFingerprint.alsoResolve(fingerprint: MethodFingerprint) =
-            also { resolve(context, fingerprint.getResultOrThrow().classDef) }.getResultOrThrow()
+            also { resolve(context, fingerprint.resultOrThrow().classDef) }.resultOrThrow()
 
         fun MethodFingerprint.resolveAndLetMutableMethod(
             fingerprint: MethodFingerprint,
@@ -172,7 +169,7 @@ object AlternativeThumbnailsPatch : BytecodePatch(
 
         // The URL is required for the failure callback hook, but the URL field is obfuscated.
         // Add a helper get method that returns the URL field.
-        RequestFingerprint.getResultOrThrow().apply {
+        RequestFingerprint.resultOrThrow().apply {
             // The url is the only string field that is set inside the constructor.
             val urlFieldInstruction = mutableMethod.getInstructions().first {
                 if (it.opcode != Opcode.IPUT_OBJECT) return@first false

src/main/kotlin/app/revanced/patches/youtube/misc/playeroverlay/PlayerOverlaysHookPatch.kt

@@ -3,30 +3,31 @@ package app.revanced.patches.youtube.misc.playeroverlay
 import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
 import app.revanced.patcher.patch.BytecodePatch
-import app.revanced.patcher.patch.annotation.CompatiblePackage
 import app.revanced.patcher.patch.annotation.Patch
 import app.revanced.patches.youtube.misc.integrations.IntegrationsPatch
 import app.revanced.patches.youtube.misc.playeroverlay.fingerprint.PlayerOverlaysOnFinishInflateFingerprint
+import app.revanced.util.exception
 
 @Patch(
-    description = "Hook for adding custom overlays to the video player.",
+    description = "Hook for the video player overlay",
     dependencies = [IntegrationsPatch::class],
-    compatiblePackages = [
-        CompatiblePackage("com.google.android.youtube", [
-            "18.32.39"
-        ])
-    ]
 )
+
+/**
+ * Edit: This patch is not in use and may not work.
+ */
 @Suppress("unused")
-object PlayerOverlaysHookPatch : BytecodePatch( // TODO: delete this unused outdated patch and its integration code.
+object PlayerOverlaysHookPatch : BytecodePatch(
     setOf(PlayerOverlaysOnFinishInflateFingerprint)
 ) {
+    private const val INTEGRATIONS_CLASS_DESCRIPTOR = "Lapp/revanced/integrations/youtube/patches/PlayerOverlaysHookPatch;"
+
     override fun execute(context: BytecodeContext) {
-        // hook YouTubePlayerOverlaysLayout.onFinishInflate()
+        PlayerOverlaysOnFinishInflateFingerprint.result?.mutableMethod?.apply {
-        val method = PlayerOverlaysOnFinishInflateFingerprint.result!!.mutableMethod
+            addInstruction(
-        method.addInstruction(
+                implementation!!.instructions.lastIndex,
-            method.implementation!!.instructions.size - 2,
+                "invoke-static { p0 }, $INTEGRATIONS_CLASS_DESCRIPTOR->playerOverlayInflated(Landroid/view/ViewGroup;)V"
-            "invoke-static { p0 }, Lapp/revanced/integrations/youtube/patches/PlayerOverlaysHookPatch;->YouTubePlayerOverlaysLayout_onFinishInflateHook(Ljava/lang/Object;)V"
             )
+        } ?: throw PlayerOverlaysOnFinishInflateFingerprint.exception
     }
 }

src/main/kotlin/app/revanced/patches/youtube/misc/playeroverlay/fingerprint/PlayerOverlaysOnFinishInflateFingerprint.kt

@@ -1,10 +1,14 @@
 package app.revanced.patches.youtube.misc.playeroverlay.fingerprint
 
-
+import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.MethodFingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
 
 internal object PlayerOverlaysOnFinishInflateFingerprint : MethodFingerprint(
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    returnType = "V",
     customFingerprint = { methodDef, _ ->
-        methodDef.definingClass.endsWith("YouTubePlayerOverlaysLayout;") && methodDef.name == "onFinishInflate"
+    methodDef.definingClass.endsWith("/YouTubePlayerOverlaysLayout;")
-    }
+        && methodDef.name == "onFinishInflate"
+    },
 )

src/main/kotlin/app/revanced/util/BytecodeUtils.kt

@@ -15,6 +15,9 @@ import com.android.tools.smali.dexlib2.iface.instruction.WideLiteralInstruction
 import com.android.tools.smali.dexlib2.iface.reference.Reference
 import com.android.tools.smali.dexlib2.util.MethodUtil
 
+
+fun MethodFingerprint.resultOrThrow() = result ?: throw exception
+
 /**
  * The [PatchException] of failing to resolve a [MethodFingerprint].
  *

src/main/resources/addresources/values/strings.xml

@@ -232,12 +232,12 @@
             <string name="revanced_external_downloader_title">Show external download button</string>
             <string name="revanced_external_downloader_summary_on">Download button shown in player</string>
             <string name="revanced_external_downloader_summary_off">Download button not shown in player</string>
+            <string name="revanced_external_downloader_action_button_title">Override download action button</string>
+            <string name="revanced_external_downloader_action_button_summary_on">Download button opens your external downloader</string>
+            <string name="revanced_external_downloader_action_button_summary_off">Download button opens the native in-app downloader</string>
             <string name="revanced_external_downloader_name_title">Downloader package name</string>
             <string name="revanced_external_downloader_name_summary">Package name of your installed external downloader app, such as NewPipe or Seal</string>
             <string name="revanced_external_downloader_not_installed_warning">%s is not installed. Please install it.</string>
-            <string name="revanced_use_in_app_download_button_title">Use in-app download button</string>
-            <string name="revanced_use_in_app_download_button_summary_on">Button will launch the external downloader</string>
-            <string name="revanced_use_in_app_download_button_summary_off">Button will launch the native in-app downloader</string>
         </patch>
         <patch id="interaction.seekbar.DisablePreciseSeekingGesturePatch">
             <string name="revanced_disable_precise_seeking_gesture_title">Disable precise seeking gesture</string>