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feat(Tumblr): Add Disable dashboard ads patch (#2979)

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Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
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Temm 2023-09-11 19:31:24 +02:00 committed by GitHub
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12
src/main/kotlin/app/revanced/patches/tumblr/ads/fingerprints/AdWaterfallFingerprint.kt Normal file
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package app.revanced.patches.tumblr.ads.fingerprints
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
// The Tumblr app sends a request to /v2/timeline/dashboard which replies with an array of elements
// to show in the user dashboard. These element have different type ids (post, title, carousel, etc.)
// The standard dashboard Ad has the id client_side_ad_waterfall, and this string has to be in the code
// to handle ads and provide their appearance.
// If we just replace this string in the tumblr code with anything else, it will fail to recognize the
// dashboard object type and just skip it. This is a bit weird, but it shouldn't break
// unless they change the api (unlikely) or explicitly Change the tumblr code to prevent this.
object AdWaterfallFingerprint : MethodFingerprint(strings = listOf("client_side_ad_waterfall"))

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src/main/kotlin/app/revanced/patches/tumblr/ads/patch/DisableDashboardAds.kt Normal file
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package app.revanced.patches.tumblr.ads.patch
import app.revanced.extensions.exception
import app.revanced.patcher.annotation.Compatibility
import app.revanced.patcher.annotation.Description
import app.revanced.patcher.annotation.Name
import app.revanced.patcher.annotation.Package
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.annotations.Patch
import app.revanced.patches.tumblr.ads.fingerprints.AdWaterfallFingerprint
import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
@Patch
@Name("Disable dashboard ads")
@Description("Disables ads in the dashboard.")
@Compatibility([Package("com.tumblr")])
class DisableDashboardAds : BytecodePatch(
listOf(AdWaterfallFingerprint)
) {
override fun execute(context: BytecodeContext) = AdWaterfallFingerprint.result?.let {
it.scanResult.stringsScanResult!!.matches.forEach { match ->
// We just replace all occurrences of "client_side_ad_waterfall" with anything else
// so the app fails to handle ads in the timeline elements array and just skips them.
// See AdWaterfallFingerprint for more info.
val stringRegister = it.mutableMethod.getInstruction<OneRegisterInstruction>(match.index).registerA
it.mutableMethod.replaceInstruction(
match.index, "const-string v$stringRegister, \"dummy\""
)
}
} ?: throw AdWaterfallFingerprint.exception
}