2022-04-16 21:42:02 +02:00

113 lines
4.2 KiB
Kotlin

package app.revanced.patches.layout
import app.revanced.patcher.PatcherData
import app.revanced.patcher.extensions.addInstructions
import app.revanced.patcher.extensions.or
import app.revanced.patcher.patch.*
import app.revanced.patcher.signature.MethodMetadata
import app.revanced.patcher.signature.MethodSignature
import app.revanced.patcher.signature.MethodSignatureMetadata
import app.revanced.patcher.signature.PatternScanMethod
import app.revanced.patcher.smali.toInstructions
import org.jf.dexlib2.AccessFlags
import org.jf.dexlib2.Opcode
import org.jf.dexlib2.builder.instruction.BuilderInstruction21t
private val compatiblePackages = listOf("com.google.android.youtube")
class OldQualityLayoutPatch : Patch(
PatchMetadata(
"old-quality-layout",
"Old Quality Layout Patch",
"Enable the original quality flyout menu",
compatiblePackages,
"0.0.1"
),
listOf(
MethodSignature(
MethodSignatureMetadata(
"old-quality-parent-method-signature",
MethodMetadata(null, null), // unknown
PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
compatiblePackages,
"Signature to find a parent method required by the Old Quality Layout patch.",
"0.0.1"
),
"V",
AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
listOf("L", "L", "L", "L", "L", "L", "L", "[B"),
listOf(
Opcode.INVOKE_DIRECT,
Opcode.IPUT_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.SGET_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.SGET_OBJECT,
Opcode.IPUT_OBJECT,
Opcode.INVOKE_VIRTUAL,
Opcode.MOVE_RESULT_OBJECT,
Opcode.IGET_OBJECT,
Opcode.IF_NEZ,
Opcode.SGET_OBJECT,
Opcode.IGET_OBJECT,
Opcode.IF_NEZ,
Opcode.SGET_OBJECT,
Opcode.IGET_BOOLEAN,
Opcode.CONST_4,
Opcode.CONST_4,
Opcode.CONST_4,
)
)
)
) {
override fun execute(patcherData: PatcherData): PatchResult {
var result = signatures.first().result!!
result = result.findParentMethod(
MethodSignature(
MethodSignatureMetadata(
"old-quality-method-signature",
MethodMetadata(null, null), // unknown
PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
compatiblePackages,
"Signature to find the method required by the Old Quality Layout patch",
"0.0.1"
),
"L",
AccessFlags.FINAL or AccessFlags.PRIVATE,
listOf("Z"),
listOf(
Opcode.CONST_4,
Opcode.INVOKE_VIRTUAL,
Opcode.IGET_OBJECT,
Opcode.IGET_OBJECT,
Opcode.INVOKE_VIRTUAL,
Opcode.IGET_OBJECT,
Opcode.GOTO,
Opcode.IGET_OBJECT,
)
)
) ?: return PatchResultError("Method old-quality-patch-method has not been found")
val implementation = result.method.implementation!!
// if useOldStyleQualitySettings == true, jump over all instructions
val jmpInstruction =
BuilderInstruction21t(Opcode.IF_NEZ, 0, implementation.instructions[result.scanData.endIndex].location.labels.first())
implementation.addInstruction(5, jmpInstruction)
implementation.addInstructions(
0,
"""
invoke-static { }, Lfi/razerman/youtube/XGlobals;->useOldStyleQualitySettings()Z
move-result v0
""".trimIndent().toInstructions()
)
return PatchResultSuccess()
}
}