fix(YouTube - Client spoof): Spoof iOS client model to fix various si…

…de effects (ReVanced#3220)

Co-authored-by: LisoUseInAIKyrios <118716522+LisoUseInAIKyrios@users.noreply.github.com>

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

@@ -19,6 +19,7 @@ import app.revanced.patches.youtube.misc.fix.playback.fingerprints.*
 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
@@ -34,7 +35,6 @@ import com.android.tools.smali.dexlib2.immutable.ImmutableMethodParameter
     name = "Spoof client",
     description = "Spoofs the client to allow video playback.",
     dependencies = [
-        SpoofClientResourcePatch::class,
         PlayerResponseMethodHookPatch::class,
         SettingsPatch::class,
         AddResourcesPatch::class,
@@ -74,6 +74,7 @@ object SpoofClientPatch : BytecodePatch(
         BuildPlayerRequestURIFingerprint,
         SetPlayerRequestClientTypeFingerprint,
         CreatePlayerRequestBodyFingerprint,
+        CreatePlayerRequestBodyWithModelFingerprint,
 
         // Storyboard spoof.
         StoryboardRendererSpecFingerprint,
@@ -97,10 +98,9 @@ object SpoofClientPatch : BytecodePatch(
                 sorting = Sorting.UNSORTED,
                 preferences = setOf(
                     SwitchPreference("revanced_spoof_client"),
-                    SwitchPreference("revanced_spoof_client_use_ios"),
+                    SwitchPreference("revanced_spoof_client_use_testsuite"),
                 ),
             ),
-
         )
 
         // region Block /initplayback requests to fall back to /get_watch requests.
@@ -168,6 +168,22 @@ object SpoofClientPatch : BytecodePatch(
                 Triple(clientInfoField, clientInfoClientTypeField, clientInfoClientVersionField)
             }
 
+        val clientInfoClientModelField = CreatePlayerRequestBodyWithModelFingerprint.resultOrThrow().mutableMethod.let {
+            val instructions = it.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,
+            ).first { instruction ->
+                instruction.opcode == Opcode.IPUT_OBJECT
+            }.getReference<FieldReference>() ?: throw PatchException("Could not find clientInfoClientModelField")
+        }
+
         // endregion
 
         // region Spoof client type for /player requests.
@@ -189,7 +205,7 @@ object SpoofClientPatch : BytecodePatch(
                 )
             }
 
-            // Change requestMessage.clientInfo.clientType and requestMessage.clientInfo.clientVersion to the spoofed values.
+            // Change client info to use the spoofed values.
             // Do this in a helper method, to remove the need of picking out multiple free registers from the hooked code.
             result.mutableClass.methods.add(
                 ImmutableMethod(
@@ -216,12 +232,17 @@ object SpoofClientPatch : BytecodePatch(
                             move-result v1
                             iput v1, v0, $clientInfoClientTypeField
                             
+                            # Set client model to the spoofed value.
+                            iget-object v1, v0, $clientInfoClientModelField
+                            invoke-static { v1 }, $INTEGRATIONS_CLASS_DESCRIPTOR->getClientModel(Ljava/lang/String;)Ljava/lang/String;
+                            move-result-object v1
+                            iput-object v1, v0, $clientInfoClientModelField
+
                             # Set client version to the spoofed value.
                             iget-object v1, v0, $clientInfoClientVersionField
                             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
                         """,

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

@@ -43,7 +43,7 @@ object SpoofSignaturePatch : BytecodePatch(
         StoryboardRendererDecoderSpecFingerprint,
         StoryboardRendererDecoderRecommendedLevelFingerprint,
         StoryboardThumbnailParentFingerprint,
-        ScrubbedPreviewLayoutFingerprint,
+        SpoofSignaturePatchScrubbedPreviewLayoutFingerprint,
         StatsQueryParameterFingerprint,
         ParamsMapPutFingerprint,
     ),

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

@@ -0,0 +1,18 @@
+package app.revanced.patches.youtube.misc.fix.playback.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import app.revanced.util.getReference
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.iface.reference.FieldReference
+
+internal object CreatePlayerRequestBodyWithModelFingerprint : MethodFingerprint(
+    returnType = "L",
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    parameters = listOf(),
+    customFingerprint = { methodDef, _ ->
+        methodDef.implementation!!.instructions.any {
+            it.getReference<FieldReference>().toString() == "Landroid/os/Build;->MODEL:Ljava/lang/String;"
+        }
+    },
+)

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

@@ -5,6 +5,7 @@ import app.revanced.patcher.fingerprint.MethodFingerprint
 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 ParamsMapPutFingerprint : MethodFingerprint(
     returnType = "V",
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,

src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/PlayerResponseModelImplLiveStreamFingerprint.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 PlayerResponseModelImplLiveStreamFingerprint : MethodFingerprint(
     returnType = "Ljava/lang/String;",
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,

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

@@ -6,6 +6,7 @@ import app.revanced.util.patch.LiteralValueFingerprint
 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 SpoofSignaturePatchScrubbedPreviewLayoutFingerprint : LiteralValueFingerprint(
     accessFlags = AccessFlags.PRIVATE or AccessFlags.FINAL,
     returnType = "V",

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

@@ -2,6 +2,7 @@ package app.revanced.patches.youtube.misc.fix.playback.fingerprints
 
 import app.revanced.patcher.fingerprint.MethodFingerprint
 
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object StatsQueryParameterFingerprint : MethodFingerprint(
     strings = listOf("adunit"),
 )

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

@@ -10,6 +10,7 @@ import com.android.tools.smali.dexlib2.AccessFlags
  * An additional change here might force the thumbnails to be created,
  * or possibly a change somewhere else (maybe involving YouTube 18.23.35 class `hte`)
  */
+@Deprecated("Fingerprint is obsolete and will be deleted soon")
 internal object StoryboardThumbnailParentFingerprint : MethodFingerprint(
     accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
     returnType = "Landroid/graphics/Bitmap;",

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

@@ -1092,11 +1092,10 @@
             <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>
-            <!-- It is ideal, but not required, if the text here appears is alphabetically after the text used for 'revanced_client_spoof_title' -->
-            <string name="revanced_spoof_client_use_ios_title">Spoof client to iOS</string>
-            <string name="revanced_spoof_client_use_ios_summary">Spoof the client to iOS instead of an Android Testsuite</string>
-            <string name="revanced_spoof_client_use_ios_summary_on">Client is spoofed to an iOS client\n\nSide effects include:\n• 60 fps video may not be available\n• No HDR video\n• Some videos may not load\n• Higher video qualities may be missing</string>
-            <string name="revanced_spoof_client_use_ios_summary_off">Client is spoofed to an Android Testsuite client (iOS client is used for live streams)\n\nSide effects include:\n• Subtitles are missing\n• Player gestures may not work\n• Low quality Shorts seekbar thumbnails</string>
+            <string name="revanced_spoof_client_use_testsuite_title">Spoof client to Android Testsuite</string>
+            <string name="revanced_spoof_client_use_testsuite_summary">Spoof the client to Android Testsuite</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_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>