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feat(tiktok-download): custom download path (#479)

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d4rkk3y 2022-09-15 21:04:20 +07:00 committed by GitHub
parent a1cb8dd86e
commit 944aa485ce
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2 changed files with 107 additions and 5 deletions
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23
src/main/kotlin/app/revanced/patches/tiktok/interaction/downloads/fingerprints/DownloadPathParentFingerprint.kt Normal file
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@ -0,0 +1,23 @@
package app.revanced.patches.tiktok.interaction.downloads.fingerprints
import app.revanced.patcher.annotation.Name
import app.revanced.patcher.annotation.Version
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import app.revanced.patches.tiktok.interaction.downloads.annotations.DownloadsCompatibility
import org.jf.dexlib2.AccessFlags
@Name("download-path-parent-fingerprint")
@MatchingMethod("LX/4bF;", "LIZ")
@DownloadsCompatibility
@Version("0.0.1")
object DownloadPathParentFingerprint : MethodFingerprint(
"V",
AccessFlags.PUBLIC or AccessFlags.FINAL,
strings = listOf(
"code",
"reason",
"params insufficient"
)
)

89
src/main/kotlin/app/revanced/patches/tiktok/interaction/downloads/patch/DownloadsPatch.kt
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@ -4,24 +4,34 @@ import app.revanced.patcher.annotation.Description
import app.revanced.patcher.annotation.Name
import app.revanced.patcher.annotation.Version
import app.revanced.patcher.data.impl.BytecodeData
import app.revanced.patcher.data.impl.toMethodWalker
import app.revanced.patcher.extensions.replaceInstruction
import app.revanced.patcher.extensions.replaceInstructions
import app.revanced.patcher.patch.PatchResult
import app.revanced.patcher.patch.PatchResultSuccess
import app.revanced.patcher.patch.*
import app.revanced.patcher.patch.annotations.Patch
import app.revanced.patcher.patch.impl.BytecodePatch
import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
import app.revanced.patches.tiktok.interaction.downloads.annotations.DownloadsCompatibility
import app.revanced.patches.tiktok.interaction.downloads.fingerprints.*
import app.revanced.patches.tiktok.interaction.downloads.fingerprints.ACLCommonShareFingerprint
import app.revanced.patches.tiktok.interaction.downloads.fingerprints.ACLCommonShareFingerprint2
import app.revanced.patches.tiktok.interaction.downloads.fingerprints.ACLCommonShareFingerprint3
import app.revanced.patches.tiktok.interaction.downloads.fingerprints.DownloadPathParentFingerprint
import org.jf.dexlib2.Opcode
import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
import org.jf.dexlib2.iface.instruction.ReferenceInstruction
import org.jf.dexlib2.iface.reference.StringReference
@Patch
@Name("tiktok-download")
@Description("Remove restrictions on downloads video.")
@Description("Removes download restrictions and changes the default path to download to.")
@DownloadsCompatibility
@Version("0.0.1")
class DownloadsPatch : BytecodePatch(
listOf(
ACLCommonShareFingerprint,
ACLCommonShareFingerprint2,
ACLCommonShareFingerprint3
ACLCommonShareFingerprint3,
DownloadPathParentFingerprint
)
) {
override fun execute(data: BytecodeData): PatchResult {
@ -50,7 +60,76 @@ class DownloadsPatch : BytecodePatch(
return v0
"""
)
//Change the download path patch
val method4 = DownloadPathParentFingerprint.result!!.mutableMethod
val implementation4 = method4.implementation
val instructions = implementation4!!.instructions
var targetOffset = -1
//Search for the target method called instruction offset.
for ((index, instruction) in instructions.withIndex()) {
if (instruction.opcode != Opcode.CONST_STRING) continue
val reference = (instruction as ReferenceInstruction).reference as StringReference
if (reference.string != "video/mp4") continue
val targetInstruction = instructions[index + 1]
if (targetInstruction.opcode != Opcode.INVOKE_STATIC) continue
targetOffset = index + 1
break
}
if (targetOffset == -1) return PatchResultError("Can not find download path uri method.")
//Change videos' download path.
val downloadPath = "$downloadPathParent/$downloadPathChild"
val downloadUriMethod = data
.toMethodWalker(DownloadPathParentFingerprint.result!!.method)
.nextMethod(targetOffset, true)
.getMethod() as MutableMethod
downloadUriMethod.implementation!!.instructions.forEachIndexed { index, instruction ->
if (instruction.opcode == Opcode.SGET_OBJECT) {
val overrideRegister = (instruction as OneRegisterInstruction).registerA
downloadUriMethod.replaceInstruction(
index,
"""
const-string v$overrideRegister, "$downloadPath"
"""
)
}
if (instruction.opcode == Opcode.CONST_STRING) {
val string = ((instruction as ReferenceInstruction).reference as StringReference).string
if (string.contains("/Camera")) {
val overrideRegister = (instruction as OneRegisterInstruction).registerA
val overrideString = string.replace("/Camera", "")
downloadUriMethod.replaceInstruction(
index,
"""
const-string v$overrideRegister, "$overrideString"
"""
)
}
}
}
return PatchResultSuccess()
}
companion object : OptionsContainer() {
private var downloadPathParent: String? by option(
PatchOption.StringListOption(
key = "mediaFolder",
default = "DCIM",
options = listOf(
"DCIM", "Movies", "Pictures"
),
title = "Media folder",
description = "The media root folder to download to.",
required = true
)
)
private var downloadPathChild: String? by option(
PatchOption.StringOption(
key = "downloadPath",
default = "TikTok",
title = "Download path",
description = "Download path relative to the media folder.",
required = true
)
)
}
}