feat(photomath): unlock-plus patch (#1633)

Signed-off-by: oSumAtrIX <johan.melkonyan1@web.de>
Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
This commit is contained in:
nik2143 2023-02-22 12:12:34 +01:00 committed by oSumAtrIX
parent 7f312f088f
commit a673514f84
No known key found for this signature in database
GPG Key ID: A9B3094ACDB604B4
7 changed files with 153 additions and 0 deletions

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package app.revanced.patches.photomath.detection.signature.annotations
import app.revanced.patcher.annotation.Compatibility
import app.revanced.patcher.annotation.Package
@Compatibility([Package("com.microblink.photomath")])
@Target(AnnotationTarget.CLASS)
@Retention(AnnotationRetention.RUNTIME)
internal annotation class DisableSignatureDetectionCompatibility

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package app.revanced.patches.photomath.detection.signature.fingerprints
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import org.jf.dexlib2.Opcode
object CheckSignatureFingerprint : MethodFingerprint(
strings = listOf(
"currentSignature"
),
opcodes = listOf(
Opcode.CONST_STRING,
Opcode.CONST_STRING,
Opcode.INVOKE_STATIC,
Opcode.INVOKE_STATIC,
Opcode.MOVE_RESULT_OBJECT,
Opcode.INVOKE_VIRTUAL,
Opcode.MOVE_RESULT_OBJECT,
Opcode.INVOKE_STATIC,
Opcode.MOVE_RESULT,
)
)

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package app.revanced.patches.photomath.detection.signature.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import org.jf.dexlib2.AccessFlags
object MainOnCreateFingerprint : MethodFingerprint(
returnType = "V",
access = AccessFlags.PUBLIC or AccessFlags.FINAL,
customFingerprint = { methodDef ->
methodDef.definingClass == "Lcom/microblink/photomath/PhotoMath;" && methodDef.name == "onCreate"
}
)

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package app.revanced.patches.photomath.detection.signature.patch
import app.revanced.patcher.annotation.Description
import app.revanced.patcher.annotation.Version
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.instruction
import app.revanced.patcher.extensions.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.PatchResultSuccess
import app.revanced.patches.photomath.detection.signature.annotations.DisableSignatureDetectionCompatibility
import app.revanced.patches.photomath.detection.signature.fingerprints.CheckSignatureFingerprint
import app.revanced.patches.photomath.detection.signature.fingerprints.MainOnCreateFingerprint
import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
@Description("Disables detection of incorrect signature.")
@DisableSignatureDetectionCompatibility
@Version("0.0.1")
class SignatureDetectionPatch : BytecodePatch(
listOf(
MainOnCreateFingerprint
)
) {
override fun execute(context: BytecodeContext): PatchResult {
val mainOnCreate = MainOnCreateFingerprint.result!!
val patternResult = CheckSignatureFingerprint.also {
it.resolve(context, mainOnCreate.method, mainOnCreate.classDef)
}.result!!.scanResult.patternScanResult!!
mainOnCreate.mutableMethod.apply {
val signatureCheckInstruction = instruction(patternResult.endIndex)
val checkRegister = (signatureCheckInstruction as OneRegisterInstruction).registerA
replaceInstruction(signatureCheckInstruction.location.index, "const/4 v$checkRegister, 0x1")
}
return PatchResultSuccess()
}
}

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package app.revanced.patches.photomath.misc.unlockplus.annotations
import app.revanced.patcher.annotation.Compatibility
import app.revanced.patcher.annotation.Package
@Compatibility([Package("com.microblink.photomath")])
@Target(AnnotationTarget.CLASS)
@Retention(AnnotationRetention.RUNTIME)
internal annotation class UnlockPlusCompatibilty

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package app.revanced.patches.photomath.misc.unlockplus.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import org.jf.dexlib2.AccessFlags
object IsPlusUnlockedFingerprint : MethodFingerprint(
returnType = "Z",
access = AccessFlags.PUBLIC or AccessFlags.FINAL,
strings = listOf(
"genius"
),
customFingerprint = {
methodDef -> methodDef.definingClass.endsWith("/User;")
}
)

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package app.revanced.patches.photomath.misc.unlockplus.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.extensions.addInstructions
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.PatchResult
import app.revanced.patcher.patch.PatchResultSuccess
import app.revanced.patcher.patch.annotations.DependsOn
import app.revanced.patcher.patch.annotations.Patch
import app.revanced.patches.photomath.detection.signature.patch.SignatureDetectionPatch
import app.revanced.patches.photomath.misc.unlockplus.annotations.UnlockPlusCompatibilty
import app.revanced.patches.photomath.misc.unlockplus.fingerprints.IsPlusUnlockedFingerprint
@Patch
@Name("unlock-plus")
@DependsOn([SignatureDetectionPatch::class])
@Description("Unlocks plus features.")
@UnlockPlusCompatibilty
@Version("0.0.1")
class UnlockPlusPatch : BytecodePatch(
listOf(
IsPlusUnlockedFingerprint
)
) {
override fun execute(context: BytecodeContext): PatchResult {
IsPlusUnlockedFingerprint.result?.mutableMethod?.apply {
addInstructions(
0,
"""
const/4 v0, 0x1
return v0
"""
)
} ?: return IsPlusUnlockedFingerprint.toErrorResult()
return PatchResultSuccess()
}
}