revanced-patches/src/main/kotlin/app/revanced/patches/youtube/layout/sponsorblock/bytecode/patch/SponsorBlockBytecodePatch.kt

285 lines
14 KiB
Kotlin

package app.revanced.patches.youtube.layout.sponsorblock.bytecode.patch
import app.revanced.extensions.toErrorResult
import app.revanced.patcher.annotation.Description
import app.revanced.patcher.annotation.Name
import app.revanced.patcher.annotation.Version
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.data.toMethodWalker
import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint.Companion.resolve
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.PatchResult
import app.revanced.patcher.patch.PatchResultError
import app.revanced.patcher.patch.PatchResultSuccess
import app.revanced.patcher.patch.annotations.DependsOn
import app.revanced.patcher.patch.annotations.Patch
import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
import app.revanced.patches.shared.fingerprints.SeekbarFingerprint
import app.revanced.patches.shared.fingerprints.SeekbarOnDrawFingerprint
import app.revanced.patches.shared.mapping.misc.patch.ResourceMappingPatch
import app.revanced.patches.youtube.layout.sponsorblock.annotations.SponsorBlockCompatibility
import app.revanced.patches.youtube.layout.sponsorblock.bytecode.fingerprints.AppendTimeFingerprint
import app.revanced.patches.youtube.layout.sponsorblock.bytecode.fingerprints.ControlsOverlayFingerprint
import app.revanced.patches.youtube.layout.sponsorblock.bytecode.fingerprints.RectangleFieldInvalidatorFingerprint
import app.revanced.patches.youtube.layout.sponsorblock.resource.patch.SponsorBlockResourcePatch
import app.revanced.patches.youtube.misc.autorepeat.fingerprints.AutoRepeatFingerprint
import app.revanced.patches.youtube.misc.autorepeat.fingerprints.AutoRepeatParentFingerprint
import app.revanced.patches.youtube.misc.integrations.patch.IntegrationsPatch
import app.revanced.patches.youtube.misc.playercontrols.bytecode.patch.PlayerControlsBytecodePatch
import app.revanced.patches.youtube.misc.playertype.patch.PlayerTypeHookPatch
import app.revanced.patches.youtube.video.information.patch.VideoInformationPatch
import app.revanced.patches.youtube.video.videoid.patch.VideoIdPatch
import org.jf.dexlib2.Opcode
import org.jf.dexlib2.iface.instruction.*
import org.jf.dexlib2.iface.instruction.formats.Instruction35c
import org.jf.dexlib2.iface.reference.FieldReference
import org.jf.dexlib2.iface.reference.MethodReference
import org.jf.dexlib2.iface.reference.StringReference
@Patch
@DependsOn(
[
IntegrationsPatch::class,
VideoIdPatch::class,
// Required to skip segments on time.
VideoInformationPatch::class,
// Used to prevent SponsorBlock from running on Shorts because SponsorBlock does not yet support Shorts.
PlayerTypeHookPatch::class,
PlayerControlsBytecodePatch::class,
SponsorBlockResourcePatch::class,
]
)
@Name("sponsorblock")
@Description("Integrates SponsorBlock which allows skipping video segments such as sponsored content.")
@SponsorBlockCompatibility
@Version("0.0.1")
class SponsorBlockBytecodePatch : BytecodePatch(
listOf(
SeekbarFingerprint,
AppendTimeFingerprint,
ControlsOverlayFingerprint,
AutoRepeatParentFingerprint,
)
) {
private companion object {
const val INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR =
"Lapp/revanced/integrations/sponsorblock/SegmentPlaybackController;"
const val INTEGRATIONS_CREATE_SEGMENT_BUTTON_CONTROLLER_CLASS_DESCRIPTOR =
"Lapp/revanced/integrations/sponsorblock/ui/CreateSegmentButtonController;"
const val INTEGRATIONS_VOTING_BUTTON_CONTROLLER_CLASS_DESCRIPTOR =
"Lapp/revanced/integrations/sponsorblock/ui/VotingButtonController;"
const val INTEGRATIONS_SPONSORBLOCK_VIEW_CONTROLLER_CLASS_DESCRIPTOR =
"Lapp/revanced/integrations/sponsorblock/ui/SponsorBlockViewController;"
}
override fun execute(context: BytecodeContext): PatchResult {
/*
* Hook the video time methods
*/
with(VideoInformationPatch) {
videoTimeHook(
INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR,
"setVideoTime"
)
}
/*
* Set current video id
*/
VideoIdPatch.injectCallBackgroundPlay("$INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR->setCurrentVideoId(Ljava/lang/String;)V")
/*
* Seekbar drawing
*/
val seekbarSignatureResult = SeekbarFingerprint.result!!.let {
SeekbarOnDrawFingerprint.apply { resolve(context, it.mutableClass) }
}.result!!
val seekbarMethod = seekbarSignatureResult.mutableMethod
val seekbarMethodInstructions = seekbarMethod.implementation!!.instructions
/*
* Get left and right of seekbar rectangle
*/
val moveRectangleToRegisterIndex = seekbarMethodInstructions.indexOfFirst {
it.opcode == Opcode.MOVE_OBJECT_FROM16
}
seekbarMethod.addInstruction(
moveRectangleToRegisterIndex + 1,
"invoke-static/range {p0 .. p0}, " +
"$INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR->setSponsorBarRect(Ljava/lang/Object;)V"
)
for ((index, instruction) in seekbarMethodInstructions.withIndex()) {
if (instruction.opcode != Opcode.INVOKE_STATIC) continue
val invokeInstruction = instruction as Instruction35c
if ((invokeInstruction.reference as MethodReference).name != "round") continue
val insertIndex = index + 2
// set the thickness of the segment
seekbarMethod.addInstruction(
insertIndex,
"invoke-static {v${invokeInstruction.registerC}}, " +
"$INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR->setSponsorBarThickness(I)V"
)
break
}
/*
* Draw segment
*/
// Find the drawCircle call and draw the segment before it
for (i in seekbarMethodInstructions.size - 1 downTo 0) {
val invokeInstruction = seekbarMethodInstructions[i] as? ReferenceInstruction ?: continue
if ((invokeInstruction.reference as MethodReference).name != "drawCircle") continue
val (canvasInstance, centerY) = (invokeInstruction as FiveRegisterInstruction).let {
it.registerC to it.registerE
}
seekbarMethod.addInstruction(
i,
"invoke-static {v$canvasInstance, v$centerY}, $INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR->drawSponsorTimeBars(Landroid/graphics/Canvas;F)V"
)
break
}
/*
* Voting & Shield button
*/
val controlsMethodResult = PlayerControlsBytecodePatch.showPlayerControlsFingerprintResult
val controlsLayoutStubResourceId =
ResourceMappingPatch.resourceMappings.single { it.type == "id" && it.name == "controls_layout_stub" }.id
val zoomOverlayResourceId =
ResourceMappingPatch.resourceMappings.single { it.type == "id" && it.name == "video_zoom_overlay_stub" }.id
methods@ for (method in controlsMethodResult.mutableClass.methods) {
val instructions = method.implementation?.instructions!!
instructions@ for ((index, instruction) in instructions.withIndex()) {
// search for method which inflates the controls layout view
if (instruction.opcode != Opcode.CONST) continue@instructions
when ((instruction as NarrowLiteralInstruction).wideLiteral) {
controlsLayoutStubResourceId -> {
// replace the view with the YouTubeControlsOverlay
val moveResultInstructionIndex = index + 5
val inflatedViewRegister =
(instructions[moveResultInstructionIndex] as OneRegisterInstruction).registerA
// initialize with the player overlay object
method.addInstructions(
moveResultInstructionIndex + 1, // insert right after moving the view to the register and use that register
"""
invoke-static {v$inflatedViewRegister}, $INTEGRATIONS_CREATE_SEGMENT_BUTTON_CONTROLLER_CLASS_DESCRIPTOR->initialize(Landroid/view/View;)V
invoke-static {v$inflatedViewRegister}, $INTEGRATIONS_VOTING_BUTTON_CONTROLLER_CLASS_DESCRIPTOR->initialize(Landroid/view/View;)V
"""
)
}
zoomOverlayResourceId -> {
val invertVisibilityMethod =
context.toMethodWalker(method).nextMethod(index - 6, true).getMethod() as MutableMethod
// change visibility of the buttons
invertVisibilityMethod.addInstructions(
0,
"""
invoke-static {p1}, $INTEGRATIONS_CREATE_SEGMENT_BUTTON_CONTROLLER_CLASS_DESCRIPTOR->changeVisibilityNegatedImmediate(Z)V
invoke-static {p1}, $INTEGRATIONS_VOTING_BUTTON_CONTROLLER_CLASS_DESCRIPTOR->changeVisibilityNegatedImmediate(Z)V
""".trimIndent()
)
}
}
}
}
// change visibility of the buttons
PlayerControlsBytecodePatch.injectVisibilityCheckCall("$INTEGRATIONS_CREATE_SEGMENT_BUTTON_CONTROLLER_CLASS_DESCRIPTOR->changeVisibility(Z)V")
PlayerControlsBytecodePatch.injectVisibilityCheckCall("$INTEGRATIONS_VOTING_BUTTON_CONTROLLER_CLASS_DESCRIPTOR->changeVisibility(Z)V")
// append the new time to the player layout
val appendTimeFingerprintResult = AppendTimeFingerprint.result!!
val appendTimePatternScanStartIndex = appendTimeFingerprintResult.scanResult.patternScanResult!!.startIndex
val targetRegister =
(appendTimeFingerprintResult.method.implementation!!.instructions.elementAt(appendTimePatternScanStartIndex + 1) as OneRegisterInstruction).registerA
appendTimeFingerprintResult.mutableMethod.addInstructions(
appendTimePatternScanStartIndex + 2,
"""
invoke-static {v$targetRegister}, $INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR->appendTimeWithoutSegments(Ljava/lang/String;)Ljava/lang/String;
move-result-object v$targetRegister
"""
)
// initialize the player controller
VideoInformationPatch.onCreateHook(INTEGRATIONS_SEGMENT_PLAYBACK_CONTROLLER_CLASS_DESCRIPTOR, "initialize")
// initialize the sponsorblock view
ControlsOverlayFingerprint.result?.let {
val startIndex = it.scanResult.patternScanResult!!.startIndex
it.mutableMethod.apply {
val frameLayoutRegister = (getInstruction(startIndex + 2) as OneRegisterInstruction).registerA
addInstruction(
startIndex + 3,
"invoke-static {v$frameLayoutRegister}, $INTEGRATIONS_SPONSORBLOCK_VIEW_CONTROLLER_CLASS_DESCRIPTOR->initialize(Landroid/view/ViewGroup;)V"
)
}
} ?: return ControlsOverlayFingerprint.toErrorResult()
// get rectangle field name
RectangleFieldInvalidatorFingerprint.resolve(context, seekbarSignatureResult.classDef)
val rectangleFieldInvalidatorInstructions =
RectangleFieldInvalidatorFingerprint.result!!.method.implementation!!.instructions
val rectangleFieldName =
((rectangleFieldInvalidatorInstructions.elementAt(rectangleFieldInvalidatorInstructions.count() - 3) as ReferenceInstruction).reference as FieldReference).name
// replace the "replaceMeWith*" strings
context
.proxy(context.classes.first { it.type.endsWith("SegmentPlaybackController;") })
.mutableClass
.methods
.find { it.name == "setSponsorBarRect" }
?.let { method ->
fun MutableMethod.replaceStringInstruction(index: Int, instruction: Instruction, with: String) {
val register = (instruction as OneRegisterInstruction).registerA
this.replaceInstruction(
index, "const-string v$register, \"$with\""
)
}
for ((index, it) in method.implementation!!.instructions.withIndex()) {
if (it.opcode.ordinal != Opcode.CONST_STRING.ordinal) continue
when (((it as ReferenceInstruction).reference as StringReference).string) {
"replaceMeWithsetSponsorBarRect" -> method.replaceStringInstruction(
index,
it,
rectangleFieldName
)
}
}
} ?: return PatchResultError("Could not find the method which contains the replaceMeWith* strings")
// The vote and create segment buttons automatically change their visibility when appropriate,
// but if buttons are showing when the end of the video is reached then they will not automatically hide.
// Add a hook to forcefully hide when the end of the video is reached.
AutoRepeatParentFingerprint.result ?: return AutoRepeatParentFingerprint.toErrorResult()
AutoRepeatFingerprint.also {
it.resolve(context, AutoRepeatParentFingerprint.result!!.classDef)
}.result?.mutableMethod?.addInstruction(
0,
"invoke-static {}, $INTEGRATIONS_SPONSORBLOCK_VIEW_CONTROLLER_CLASS_DESCRIPTOR->endOfVideoReached()V"
) ?: return AutoRepeatFingerprint.toErrorResult()
// TODO: isSBChannelWhitelisting implementation
return PatchResultSuccess()
}
}