fix(YouTube - Spoof client): Improve Android spoofing (#3230)

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofClientPatch.kt

@@ -15,11 +15,13 @@ import app.revanced.patches.all.misc.resources.AddResourcesPatch
 import app.revanced.patches.shared.misc.settings.preference.PreferenceScreen
 import app.revanced.patches.shared.misc.settings.preference.PreferenceScreen.Sorting
 import app.revanced.patches.shared.misc.settings.preference.SwitchPreference
-import app.revanced.patches.youtube.misc.fix.playback.fingerprints.*
+import app.revanced.patches.youtube.misc.fix.playback.fingerprints.BuildInitPlaybackRequestFingerprint
+import app.revanced.patches.youtube.misc.fix.playback.fingerprints.BuildPlayerRequestURIFingerprint
+import app.revanced.patches.youtube.misc.fix.playback.fingerprints.CreatePlayerRequestBodyFingerprint
+import app.revanced.patches.youtube.misc.fix.playback.fingerprints.CreatePlayerRequestBodyWithModelFingerprint
+import app.revanced.patches.youtube.misc.fix.playback.fingerprints.SetPlayerRequestClientTypeFingerprint
 import app.revanced.patches.youtube.misc.settings.SettingsPatch
-import app.revanced.patches.youtube.video.playerresponse.PlayerResponseMethodHookPatch
 import app.revanced.util.getReference
-import app.revanced.util.indexOfFirstInstruction
 import app.revanced.util.resultOrThrow
 import com.android.tools.smali.dexlib2.AccessFlags
 import com.android.tools.smali.dexlib2.Opcode
@@ -35,11 +37,9 @@ import com.android.tools.smali.dexlib2.immutable.ImmutableMethodParameter
     name = "Spoof client",
     description = "Spoofs the client to allow video playback.",
     dependencies = [
-        PlayerResponseMethodHookPatch::class,
         SettingsPatch::class,
         AddResourcesPatch::class,
         UserAgentClientSpoofPatch::class,
-        PlayerResponseMethodHookPatch::class,
     ],
     compatiblePackages = [
         CompatiblePackage(
@@ -69,19 +69,11 @@ import com.android.tools.smali.dexlib2.immutable.ImmutableMethodParameter
 )
 object SpoofClientPatch : BytecodePatch(
     setOf(
-        // Client type spoof.
         BuildInitPlaybackRequestFingerprint,
         BuildPlayerRequestURIFingerprint,
         SetPlayerRequestClientTypeFingerprint,
         CreatePlayerRequestBodyFingerprint,
         CreatePlayerRequestBodyWithModelFingerprint,
-
-        // Storyboard spoof.
-        StoryboardRendererSpecFingerprint,
-        PlayerResponseModelImplRecommendedLevelFingerprint,
-        StoryboardRendererDecoderRecommendedLevelFingerprint,
-        PlayerResponseModelImplGeneralFingerprint,
-        StoryboardRendererDecoderSpecFingerprint,
     ),
 ) {
     private const val INTEGRATIONS_CLASS_DESCRIPTOR =
@@ -98,7 +90,7 @@ object SpoofClientPatch : BytecodePatch(
                 sorting = Sorting.UNSORTED,
                 preferences = setOf(
                     SwitchPreference("revanced_spoof_client"),
-                    SwitchPreference("revanced_spoof_client_use_testsuite"),
+                    SwitchPreference("revanced_spoof_client_use_ios"),
                 ),
             ),
         )
@@ -149,11 +141,11 @@ object SpoofClientPatch : BytecodePatch(
             SetPlayerRequestClientTypeFingerprint.resultOrThrow().let { result ->
                 // Field in the player request object that holds the client info object.
                 val clientInfoField = result.mutableMethod
-                    .getInstructions().first { instruction ->
+                    .getInstructions().find { instruction ->
                         // requestMessage.clientInfo = clientInfoBuilder.build();
                         instruction.opcode == Opcode.IPUT_OBJECT &&
                             instruction.getReference<FieldReference>()?.type == CLIENT_INFO_CLASS_DESCRIPTOR
-                    }.getReference<FieldReference>() ?: throw PatchException("Could not find clientInfoField")
+                    }?.getReference<FieldReference>() ?: throw PatchException("Could not find clientInfoField")
 
                 // Client info object's client type field.
                 val clientInfoClientTypeField = result.mutableMethod
@@ -168,20 +160,17 @@ object SpoofClientPatch : BytecodePatch(
                 Triple(clientInfoField, clientInfoClientTypeField, clientInfoClientVersionField)
             }
 
-        val clientInfoClientModelField = CreatePlayerRequestBodyWithModelFingerprint.resultOrThrow().mutableMethod.let {
+        val clientInfoClientModelField = CreatePlayerRequestBodyWithModelFingerprint.resultOrThrow().let {
-            val instructions = it.getInstructions()
+            val getClientModelIndex = CreatePlayerRequestBodyWithModelFingerprint.indexOfBuildModelInstruction(it.method)
-
+            val instructions = it.mutableMethod.getInstructions()
-            val getClientModelIndex = it.indexOfFirstInstruction {
-                getReference<FieldReference>().toString() == "Landroid/os/Build;->MODEL:Ljava/lang/String;"
-            }
 
             // The next IPUT_OBJECT instruction after getting the client model is setting the client model field.
             instructions.subList(
                 getClientModelIndex,
-                instructions.lastIndex,
+                instructions.size,
-            ).first { instruction ->
+            ).find { instruction ->
                 instruction.opcode == Opcode.IPUT_OBJECT
-            }.getReference<FieldReference>() ?: throw PatchException("Could not find clientInfoClientModelField")
+            }?.getReference<FieldReference>() ?: throw PatchException("Could not find clientInfoClientModelField")
         }
 
         // endregion
@@ -243,6 +232,7 @@ object SpoofClientPatch : BytecodePatch(
                             invoke-static { v1 }, $INTEGRATIONS_CLASS_DESCRIPTOR->getClientVersion(Ljava/lang/String;)Ljava/lang/String;
                             move-result-object v1
                             iput-object v1, v0, $clientInfoClientVersionField
+                            
                             :disabled
                             return-void
                         """,
@@ -253,104 +243,5 @@ object SpoofClientPatch : BytecodePatch(
 
         // endregion
 
-        // region Fix storyboard if Android Testsuite is used.
-
-        PlayerResponseMethodHookPatch += PlayerResponseMethodHookPatch.Hook.ProtoBufferParameter(
-            "$INTEGRATIONS_CLASS_DESCRIPTOR->setPlayerResponseVideoId(" +
-                "Ljava/lang/String;Ljava/lang/String;Z)Ljava/lang/String;",
-        )
-
-        // Hook recommended seekbar thumbnails quality level for regular videos.
-        StoryboardRendererDecoderRecommendedLevelFingerprint.resultOrThrow().let {
-            val endIndex = it.scanResult.patternScanResult!!.endIndex
-
-            it.mutableMethod.apply {
-                val originalValueRegister =
-                    getInstruction<OneRegisterInstruction>(endIndex).registerA
-
-                addInstructions(
-                    endIndex + 1,
-                    """
-                        invoke-static { v$originalValueRegister }, $INTEGRATIONS_CLASS_DESCRIPTOR->getRecommendedLevel(I)I
-                        move-result v$originalValueRegister
-                    """,
-                )
-            }
-        }
-
-        // Hook the recommended precise seeking thumbnails quality.
-        PlayerResponseModelImplRecommendedLevelFingerprint.resultOrThrow().let {
-            val endIndex = it.scanResult.patternScanResult!!.endIndex
-
-            it.mutableMethod.apply {
-                val originalValueRegister =
-                    getInstruction<OneRegisterInstruction>(endIndex).registerA
-
-                addInstructions(
-                    endIndex,
-                    """
-                        invoke-static { v$originalValueRegister }, $INTEGRATIONS_CLASS_DESCRIPTOR->getRecommendedLevel(I)I
-                        move-result v$originalValueRegister
-                    """,
-                )
-            }
-        }
-
-        // TODO: Hook the seekbar recommended level for Shorts to fix Shorts low quality seekbar thumbnails.
-
-        /**
-         * Hook StoryBoard renderer url.
-         */
-        PlayerResponseModelImplGeneralFingerprint.resultOrThrow().let {
-            val getStoryBoardIndex = it.scanResult.patternScanResult!!.endIndex
-
-            it.mutableMethod.apply {
-                val getStoryBoardRegister = getInstruction<OneRegisterInstruction>(getStoryBoardIndex).registerA
-
-                addInstructions(
-                    getStoryBoardIndex,
-                    """
-                        invoke-static { v$getStoryBoardRegister }, $INTEGRATIONS_CLASS_DESCRIPTOR->getStoryboardRendererSpec(Ljava/lang/String;)Ljava/lang/String;
-                        move-result-object v$getStoryBoardRegister
-                    """,
-                )
-            }
-        }
-
-        // Hook the seekbar thumbnail decoder, required for Shorts.
-        StoryboardRendererDecoderSpecFingerprint.resultOrThrow().let {
-            val storyBoardUrlIndex = it.scanResult.patternScanResult!!.startIndex + 1
-
-            it.mutableMethod.apply {
-                val getStoryBoardRegister = getInstruction<OneRegisterInstruction>(storyBoardUrlIndex).registerA
-
-                addInstructions(
-                    storyBoardUrlIndex + 1,
-                    """
-                        invoke-static { v$getStoryBoardRegister }, ${INTEGRATIONS_CLASS_DESCRIPTOR}->getStoryboardRendererSpec(Ljava/lang/String;)Ljava/lang/String;
-                        move-result-object v$getStoryBoardRegister
-                    """,
-                )
-            }
-        }
-
-        StoryboardRendererSpecFingerprint.resultOrThrow().let {
-            it.mutableMethod.apply {
-                val storyBoardUrlParams = "p0"
-
-                addInstructions(
-                    0,
-                    """
-                        if-nez $storyBoardUrlParams, :ignore
-                        invoke-static { $storyBoardUrlParams }, $INTEGRATIONS_CLASS_DESCRIPTOR->getStoryboardRendererSpec(Ljava/lang/String;)Ljava/lang/String;
-                        move-result-object $storyBoardUrlParams
-                        :ignore
-                        nop
-                    """,
-                )
-            }
-        }
-
-        // endregion
     }
 }

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/CreatePlayerRequestBodyWithModelFingerprint.kt

@@ -2,8 +2,12 @@ package app.revanced.patches.youtube.misc.fix.playback.fingerprints
 
 import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.patches.youtube.misc.fix.playback.fingerprints.CreatePlayerRequestBodyWithModelFingerprint.indexOfBuildModelInstruction
+import app.revanced.util.containsWideLiteralInstructionValue
 import app.revanced.util.getReference
+import app.revanced.util.indexOfFirstInstruction
 import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.iface.Method
 import com.android.tools.smali.dexlib2.iface.reference.FieldReference
 
 internal object CreatePlayerRequestBodyWithModelFingerprint : MethodFingerprint(
@@ -11,8 +15,17 @@ internal object CreatePlayerRequestBodyWithModelFingerprint : MethodFingerprint(
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
     parameters = listOf(),
     customFingerprint = { methodDef, _ ->
-        methodDef.implementation!!.instructions.any {
+        methodDef.containsWideLiteralInstructionValue(1073741824) &&
-            it.getReference<FieldReference>().toString() == "Landroid/os/Build;->MODEL:Ljava/lang/String;"
+                indexOfBuildModelInstruction(methodDef) >= 0
-        }
     },
-)
+) {
+    fun indexOfBuildModelInstruction(methodDef: Method) =
+        methodDef.indexOfFirstInstruction {
+            val reference = getReference<FieldReference>()
+            reference?.definingClass == "Landroid/os/Build;" &&
+                    reference.name == "MODEL" &&
+                    reference.type == "Ljava/lang/String;"
+        }
+}
+
+

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/PlayerResponseModelImplGeneralFingerprint.kt

@@ -6,6 +6,7 @@ import app.revanced.util.containsWideLiteralInstructionValue
 import com.android.tools.smali.dexlib2.AccessFlags
 import com.android.tools.smali.dexlib2.Opcode
 
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object PlayerResponseModelImplGeneralFingerprint : MethodFingerprint(
     returnType = "Ljava/lang/String;",
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/PlayerResponseModelImplRecommendedLevelFingerprint.kt

@@ -6,6 +6,7 @@ import app.revanced.util.containsWideLiteralInstructionValue
 import com.android.tools.smali.dexlib2.AccessFlags
 import com.android.tools.smali.dexlib2.Opcode
 
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object PlayerResponseModelImplRecommendedLevelFingerprint : MethodFingerprint(
     returnType = "I",
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/SetPlayerRequestClientTypeFingerprint.kt

@@ -1,12 +1,13 @@
 package app.revanced.patches.youtube.misc.fix.playback.fingerprints
 
-import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.util.patch.LiteralValueFingerprint
 import com.android.tools.smali.dexlib2.Opcode
 
-internal object SetPlayerRequestClientTypeFingerprint : MethodFingerprint(
+internal object SetPlayerRequestClientTypeFingerprint : LiteralValueFingerprint(
-    strings = listOf("10.29"),
     opcodes = listOf(
         Opcode.IGET,
         Opcode.IPUT, // Sets ClientInfo.clientId.
     ),
+    strings = listOf("10.29"),
+    literalSupplier = { 134217728 }
 )

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererDecoderRecommendedLevelFingerprint.kt

@@ -8,6 +8,7 @@ import com.android.tools.smali.dexlib2.Opcode
 /**
  * Resolves to the same method as [StoryboardRendererDecoderSpecFingerprint].
  */
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object StoryboardRendererDecoderRecommendedLevelFingerprint : MethodFingerprint(
     returnType = "V",
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererDecoderSpecFingerprint.kt

@@ -8,6 +8,7 @@ import com.android.tools.smali.dexlib2.Opcode
 /**
  * Resolves to the same method as [StoryboardRendererDecoderRecommendedLevelFingerprint].
  */
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object StoryboardRendererDecoderSpecFingerprint : MethodFingerprint(
     returnType = "V",
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererSpecFingerprint.kt

@@ -4,6 +4,7 @@ import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.MethodFingerprint
 import com.android.tools.smali.dexlib2.AccessFlags
 
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object StoryboardRendererSpecFingerprint : MethodFingerprint(
     accessFlags = AccessFlags.PUBLIC or AccessFlags.STATIC,
     returnType = "L",

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardThumbnailFingerprint.kt

@@ -8,6 +8,7 @@ import com.android.tools.smali.dexlib2.Opcode
 /**
  * Resolves using the class found in [StoryboardThumbnailParentFingerprint].
  */
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object StoryboardThumbnailFingerprint : MethodFingerprint(
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
     returnType = "Z",

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

@@ -1092,10 +1092,9 @@
             <string name="revanced_spoof_client_summary_on">Client is spoofed</string>
             <string name="revanced_spoof_client_summary_off">Client is not spoofed\n\nVideo playback may not work</string>
             <string name="revanced_spoof_client_user_dialog_message">Turning off this setting may cause video playback issues.</string>
-            <string name="revanced_spoof_client_use_testsuite_title">Spoof client to Android Testsuite</string>
+            <string name="revanced_spoof_client_use_ios_title">Spoof client to iOS</string>
-            <string name="revanced_spoof_client_use_testsuite_summary">Spoof the client to Android Testsuite</string>
+            <string name="revanced_spoof_client_use_ios_summary_on">Client is currently spoofed to iOS\n\nSide effects include:\n• No HDR video\n• Speed menu is missing\n• Watch history may not work\n• Live streams cannot play as audio only\n• Live streams not available on older devices</string>
-            <string name="revanced_spoof_client_use_testsuite_summary_on">Client is spoofed to an Android Testsuite client (iOS client is used for live streams)\n\nSide effects include, but are not limited to:\n• Speed flyout menu is missing\n• Captions are missing\n• Player swipe gestures may not work\n• Low quality Shorts seekbar thumbnails\n• Watch history may not work</string>
+            <string name="revanced_spoof_client_use_ios_summary_off">Client is currently spoofed to Android VR\n\nSide effects include:\n• No HDR video\n• Player swipe gestures do not work\n• Kids videos do not playback\n• Paused videos can randomly resume</string>
-            <string name="revanced_spoof_client_use_testsuite_summary_off">Client is spoofed to an iOS client\n\nSide effects include:\n• No HDR video\n• Speed flyout menu is missing</string>
             <string name="revanced_spoof_client_storyboard_timeout">Spoof client thumbnails not available (API timed out)</string>
             <string name="revanced_spoof_client_storyboard_io_exception">Spoof client thumbnails temporarily not available: %s</string>
         </patch>