feat(instagram): hide-timeline-ads patch

Signed-off-by: oSumAtrIX <johan.melkonyan1@web.de>
This commit is contained in:
oSumAtrIX 2023-02-10 05:18:59 +01:00
parent 1d55380169
commit 61668e6708
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GPG key ID: A9B3094ACDB604B4
7 changed files with 232 additions and 0 deletions

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package app.revanced.patches.instagram.patches.ads.timeline.fingerprints
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
object MediaFingerprint : MethodFingerprint(
strings = listOf("is_paid_partnership", "story_ad_headline", "is_panorama")
)

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package app.revanced.patches.instagram.patches.ads.timeline.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import org.jf.dexlib2.AccessFlags
import org.jf.dexlib2.Opcode
object ShowAdFingerprint : MethodFingerprint(
"Z",
AccessFlags.PUBLIC or AccessFlags.STATIC or AccessFlags.FINAL,
listOf("L", "L", "Z", "Z"),
opcodes = listOf(
Opcode.INVOKE_STATIC,
Opcode.MOVE_RESULT,
Opcode.IF_NEZ,
Opcode.RETURN,
Opcode.CONST_4,
Opcode.GOTO,
Opcode.CONST_4,
Opcode.GOTO,
Opcode.CONST_4,
Opcode.GOTO,
Opcode.CONST_4,
Opcode.RETURN,
),
)

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package app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads
import org.jf.dexlib2.Opcode
object GenericMediaAdFingerprint : MediaAdFingerprint(
opcodes = listOf(
Opcode.INVOKE_INTERFACE,
Opcode.MOVE_RESULT_OBJECT,
Opcode.INVOKE_INTERFACE,
Opcode.MOVE_RESULT_OBJECT,
Opcode.CONST_4,
Opcode.IF_EQZ,
Opcode.CONST_4,
Opcode.RETURN,
)
) {
override fun toString() = result!!.method.toString()
}

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package app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import org.jf.dexlib2.AccessFlags
import org.jf.dexlib2.Opcode
import org.jf.dexlib2.iface.Method
abstract class MediaAdFingerprint(
returnType: String? = "Z",
access: Int? = AccessFlags.PUBLIC or AccessFlags.FINAL,
parameters: Iterable<String>? = listOf(),
opcodes: Iterable<Opcode>?,
customFingerprint: ((methodDef: Method) -> Boolean)? = null
) : MethodFingerprint(
returnType,
access,
parameters,
opcodes,
customFingerprint = customFingerprint
) {
abstract override fun toString(): String
}

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package app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads
import org.jf.dexlib2.Opcode
import org.jf.dexlib2.iface.instruction.ReferenceInstruction
import org.jf.dexlib2.iface.reference.MethodReference
object PaidPartnershipAdFingerprint : MediaAdFingerprint(
"V",
null,
listOf("L", "L"),
listOf(
Opcode.INVOKE_VIRTUAL,
Opcode.MOVE_RESULT,
Opcode.IPUT_BOOLEAN,
Opcode.IPUT_BOOLEAN
),
customFingerprint = { methodDef ->
methodDef.definingClass.endsWith("ClipsEditMetadataController;")
}
) {
override fun toString() = result!!.let {
val adCheckIndex = it.scanResult.patternScanResult!!.startIndex
val adCheckInstruction = it.method.implementation!!.instructions.elementAt(adCheckIndex)
val adCheckMethod = (adCheckInstruction as ReferenceInstruction).reference as MethodReference
adCheckMethod.toString()
}
}

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package app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads
import org.jf.dexlib2.Opcode
object ShoppingAdFingerprint : MediaAdFingerprint(
opcodes = listOf(
Opcode.IF_EQZ,
Opcode.IGET_OBJECT,
Opcode.IGET_OBJECT,
Opcode.IF_EQZ,
Opcode.IGET_OBJECT,
Opcode.IF_EQZ,
Opcode.IGET_OBJECT,
Opcode.INVOKE_VIRTUAL,
Opcode.MOVE_RESULT,
Opcode.XOR_INT_LIT8,
Opcode.IF_EQZ,
)
) {
override fun toString() = result!!.method.toString()
}

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package app.revanced.patches.instagram.patches.ads.timeline.patch
import app.revanced.extensions.toErrorResult
import app.revanced.patcher.annotation.*
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.addInstructions
import app.revanced.patcher.extensions.instruction
import app.revanced.patcher.extensions.removeInstruction
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.PatchResultSuccess
import app.revanced.patcher.patch.annotations.Patch
import app.revanced.patcher.util.smali.ExternalLabel
import app.revanced.patches.instagram.patches.ads.timeline.fingerprints.MediaFingerprint
import app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ShowAdFingerprint
import app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads.GenericMediaAdFingerprint
import app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads.MediaAdFingerprint
import app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads.PaidPartnershipAdFingerprint
import app.revanced.patches.instagram.patches.ads.timeline.fingerprints.ads.ShoppingAdFingerprint
import org.jf.dexlib2.iface.instruction.FiveRegisterInstruction
import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
@Patch
@Name("hide-timeline-ads")
@Description("Removes ads from the timeline.")
@Compatibility([Package("com.instagram.android")])
@Version("0.0.1")
class HideTimelineAdsPatch : BytecodePatch(
listOf(
ShowAdFingerprint,
MediaFingerprint,
PaidPartnershipAdFingerprint // Unlike the other ads this one is resolved from all classes.
)
) {
override fun execute(context: BytecodeContext): PatchResult {
// region Resolve required methods to check for ads.
ShowAdFingerprint.result ?: return ShowAdFingerprint.toErrorResult()
PaidPartnershipAdFingerprint.result ?: return PaidPartnershipAdFingerprint.toErrorResult()
MediaFingerprint.result?.let {
GenericMediaAdFingerprint.resolve(context, it.classDef)
ShoppingAdFingerprint.resolve(context, it.classDef)
return@let
} ?: return MediaFingerprint.toErrorResult()
// endregion
ShowAdFingerprint.result!!.apply {
// region Create instructions.
val scanStart = scanResult.patternScanResult!!.startIndex
val jumpIndex = scanStart - 1
val mediaInstanceRegister = (mutableMethod.instruction(scanStart) as FiveRegisterInstruction).registerC
val freeRegister = (mutableMethod.instruction(jumpIndex) as OneRegisterInstruction).registerA
val returnFalseLabel = "an_ad"
val checkForAdInstructions =
listOf(GenericMediaAdFingerprint, PaidPartnershipAdFingerprint, ShoppingAdFingerprint)
.map(MediaAdFingerprint::toString)
.joinToString("\n") {
"""
invoke-virtual {v$mediaInstanceRegister}, $it
move-result v$freeRegister
if-nez v$freeRegister, :$returnFalseLabel
""".trimIndent()
}.let { "$it\nconst/4 v0, 0x1\nreturn v0" }
// endregion
// region Patch.
val insertIndex = scanStart + 3
mutableMethod.addInstructions(
insertIndex,
checkForAdInstructions,
listOf(
ExternalLabel(
returnFalseLabel,
mutableMethod.instruction(mutableMethod.implementation!!.instructions.size - 2 /* return false = ad */)
)
)
)
// endregion
// region Jump to checks for ads from previous patch.
mutableMethod.apply {
addInstructions(
jumpIndex + 1,
"if-nez v$freeRegister, :start_check",
listOf(ExternalLabel("start_check", instruction(insertIndex)))
)
}.removeInstruction(jumpIndex)
// endregion
}
return PatchResultSuccess()
}
}