From cc66b1fc6200bbdcc2697ddd7085d46447775be2 Mon Sep 17 00:00:00 2001
From: fe <58902674+1fexd@users.noreply.github.com>
Date: Sat, 10 Jun 2023 18:05:47 +0200
Subject: [PATCH] feat(finanzonline): support any version (#2347)

---
 .../fingerprints/BootStateFingerprint.kt      | 25 ++++++++++++++++---
 .../BootloaderDetectionFingerprint.kt         | 13 ----------
 .../fingerprints/CreateKeyFingerprint.kt      | 11 ++++++++
 .../patch/BootloaderDetectionPatch.kt         |  9 ++++---
 .../fingerprints/RootDetectionFingerprint.kt  | 18 ++++++++++---
 .../root/patch/RootDetectionPatch.kt          |  1 +
 .../annotations/DetectionCompatibility.kt     |  2 +-
 7 files changed, 54 insertions(+), 25 deletions(-)
 delete mode 100644 src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootloaderDetectionFingerprint.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/CreateKeyFingerprint.kt

diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootStateFingerprint.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootStateFingerprint.kt
index f6aff119..082ca312 100644
--- a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootStateFingerprint.kt
+++ b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootStateFingerprint.kt
@@ -2,12 +2,29 @@ package app.revanced.patches.finanzonline.detection.bootloader.fingerprints
 
 import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
 import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
 
+// Located @ at.gv.bmf.bmf2go.taxequalization.tools.utils.AttestationHelper#isBootStateOk (3.0.1)
 object BootStateFingerprint : MethodFingerprint(
     "Z",
     accessFlags = AccessFlags.PUBLIC.value,
-    strings = listOf("Boot state of device: %s"),
-    customFingerprint = { methodDef, _ ->
-        methodDef.definingClass.endsWith("/AttestationHelper;")
-    }
+    opcodes = listOf(
+        Opcode.INVOKE_DIRECT,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CONST_4,
+        Opcode.NEW_ARRAY,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CONST_4,
+        Opcode.APUT_OBJECT,
+        Opcode.CONST_STRING,
+        Opcode.INVOKE_STATIC,
+        Opcode.SGET_OBJECT,
+        Opcode.IF_EQ,
+        Opcode.SGET_OBJECT,
+        Opcode.IF_NE,
+        Opcode.GOTO,
+        Opcode.MOVE,
+        Opcode.RETURN
+    )
 )
diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootloaderDetectionFingerprint.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootloaderDetectionFingerprint.kt
deleted file mode 100644
index 9bfe0ba2..00000000
--- a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/BootloaderDetectionFingerprint.kt
+++ /dev/null
@@ -1,13 +0,0 @@
-package app.revanced.patches.finanzonline.detection.bootloader.fingerprints
-
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-import org.jf.dexlib2.AccessFlags
-
-object BootloaderDetectionFingerprint : MethodFingerprint(
-    "Z",
-    accessFlags = AccessFlags.PUBLIC.value,
-    strings = listOf("Creation of attestation key succeeded", "Creation of attestation key failed"),
-    customFingerprint = { methodDef, _ ->
-        methodDef.definingClass.endsWith("/AttestationHelper;")
-    }
-)
diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/CreateKeyFingerprint.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/CreateKeyFingerprint.kt
new file mode 100644
index 00000000..dcfcb0b8
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/fingerprints/CreateKeyFingerprint.kt
@@ -0,0 +1,11 @@
+package app.revanced.patches.finanzonline.detection.bootloader.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import org.jf.dexlib2.AccessFlags
+
+// Located @ at.gv.bmf.bmf2go.taxequalization.tools.utils.AttestationHelper#createKey (3.0.1)
+object CreateKeyFingerprint : MethodFingerprint(
+    "Z",
+    accessFlags = AccessFlags.PUBLIC.value,
+    strings = listOf("attestation", "SHA-256", "random", "EC", "AndroidKeyStore")
+)
diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/patch/BootloaderDetectionPatch.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/patch/BootloaderDetectionPatch.kt
index 0e22b04a..49ce18b1 100644
--- a/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/patch/BootloaderDetectionPatch.kt
+++ b/src/main/kotlin/app/revanced/patches/finanzonline/detection/bootloader/patch/BootloaderDetectionPatch.kt
@@ -11,7 +11,7 @@ import app.revanced.patcher.patch.PatchResult
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patches.finanzonline.detection.bootloader.fingerprints.BootStateFingerprint
-import app.revanced.patches.finanzonline.detection.bootloader.fingerprints.BootloaderDetectionFingerprint
+import app.revanced.patches.finanzonline.detection.bootloader.fingerprints.CreateKeyFingerprint
 import app.revanced.patches.finanzonline.detection.shared.annotations.DetectionCompatibility
 
 
@@ -21,11 +21,11 @@ import app.revanced.patches.finanzonline.detection.shared.annotations.DetectionC
 @DetectionCompatibility
 @Version("0.0.1")
 class BootloaderDetectionPatch : BytecodePatch(
-    listOf(BootloaderDetectionFingerprint, BootStateFingerprint)
+    listOf(CreateKeyFingerprint, BootStateFingerprint)
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        arrayOf(BootloaderDetectionFingerprint, BootStateFingerprint).forEach { fingerprint ->
-            fingerprint.result?.mutableMethod?.addInstruction(
+        arrayOf(CreateKeyFingerprint, BootStateFingerprint).forEach { fingerprint ->
+            fingerprint.result?.mutableMethod?.addInstructions(
                 0,
                 """
                         const/4 v0, 0x1
@@ -33,6 +33,7 @@ class BootloaderDetectionPatch : BytecodePatch(
                 """
             ) ?: return fingerprint.toErrorResult()
         }
+
         return PatchResultSuccess()
     }
 }
diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/fingerprints/RootDetectionFingerprint.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/fingerprints/RootDetectionFingerprint.kt
index 3c3617dc..8c0bb011 100644
--- a/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/fingerprints/RootDetectionFingerprint.kt
+++ b/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/fingerprints/RootDetectionFingerprint.kt
@@ -1,10 +1,22 @@
 package app.revanced.patches.finanzonline.detection.root.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
 
+// Located @ at.gv.bmf.bmf2go.taxequalization.tools.utils.RootDetection#isRooted (3.0.1)
 object RootDetectionFingerprint : MethodFingerprint(
     "L",
-    customFingerprint = { methodDef, _ ->
-        methodDef.definingClass == "Lat/gv/bmf/bmf2go/tools/utils/z;"
-    }
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.STATIC,
+    parameters = listOf("L"),
+    opcodes = listOf(
+        Opcode.NEW_INSTANCE,
+        Opcode.INVOKE_DIRECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.RETURN_OBJECT
+    )
 )
diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/patch/RootDetectionPatch.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/patch/RootDetectionPatch.kt
index 4a3878c8..c77dac6c 100644
--- a/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/patch/RootDetectionPatch.kt
+++ b/src/main/kotlin/app/revanced/patches/finanzonline/detection/root/patch/RootDetectionPatch.kt
@@ -29,6 +29,7 @@ class RootDetectionPatch : BytecodePatch(
                 return-object v0
             """
         ) ?: return RootDetectionFingerprint.toErrorResult()
+
         return PatchResultSuccess()
     }
 }
diff --git a/src/main/kotlin/app/revanced/patches/finanzonline/detection/shared/annotations/DetectionCompatibility.kt b/src/main/kotlin/app/revanced/patches/finanzonline/detection/shared/annotations/DetectionCompatibility.kt
index 97ddeadb..8da838ba 100644
--- a/src/main/kotlin/app/revanced/patches/finanzonline/detection/shared/annotations/DetectionCompatibility.kt
+++ b/src/main/kotlin/app/revanced/patches/finanzonline/detection/shared/annotations/DetectionCompatibility.kt
@@ -3,6 +3,6 @@ package app.revanced.patches.finanzonline.detection.shared.annotations
 import app.revanced.patcher.annotation.Compatibility
 import app.revanced.patcher.annotation.Package
 
-@Compatibility([Package("at.gv.bmf.bmf2go", arrayOf("2.2.0"))])
+@Compatibility([Package("at.gv.bmf.bmf2go")])
 @Target(AnnotationTarget.CLASS)
 internal annotation class DetectionCompatibility