Added safetynet implementation

The implementation itself was moved from fragment to self contained event. The result resolution might be moved to the event as well
2025-09-06 06:36:58 +00:00 · 2019-10-23 21:17:53 +02:00
parent 04576ca828
commit 21f2f86cb8
6 changed files with 201 additions and 7 deletions
@@ -1,5 +1,62 @@
 package com.topjohnwu.magisk.redesign.safetynet

+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.extensions.subscribeK
+import com.topjohnwu.magisk.model.events.SafetyNetResult
+import com.topjohnwu.magisk.model.events.UpdateSafetyNetEvent
 import com.topjohnwu.magisk.redesign.compat.CompatViewModel
+import com.topjohnwu.magisk.ui.home.SafetyNetState.*
+import com.topjohnwu.magisk.utils.KObservableField
+import com.topjohnwu.magisk.utils.RxBus
+import com.topjohnwu.magisk.utils.SafetyNetHelper

-class SafetynetViewModel : CompatViewModel()
+class SafetynetViewModel(
+    rxBus: RxBus
+) : CompatViewModel() {
+
+    val safetyNetTitle = KObservableField(R.string.empty)
+    val ctsState = KObservableField(IDLE)
+    val basicIntegrityState = KObservableField(IDLE)
+
+    init {
+        rxBus.register<SafetyNetResult>()
+            .subscribeK { resolveResponse(it.responseCode) }
+            .add()
+    }
+
+    fun attest() = UpdateSafetyNetEvent().publish()
+
+    private fun resolveResponse(response: Int) = when {
+        //todo animate (reveal) to result (green/error)
+        response and 0x0F == 0 -> {
+            val hasCtsPassed = response and SafetyNetHelper.CTS_PASS != 0
+            val hasBasicIntegrityPassed = response and SafetyNetHelper.BASIC_PASS != 0
+            safetyNetTitle.value = R.string.safetyNet_check_success
+            ctsState.value = if (hasCtsPassed) {
+                PASS
+            } else {
+                FAILED
+            }
+            basicIntegrityState.value = if (hasBasicIntegrityPassed) {
+                PASS
+            } else {
+                FAILED
+            }
+        }
+        //todo animate (collapse) back to initial (fade error)
+        response == -2 -> {
+            ctsState.value = IDLE
+            basicIntegrityState.value = IDLE
+        }
+        //todo animate (collapse) back to initial (surface)
+        else -> {
+            ctsState.value = IDLE
+            basicIntegrityState.value = IDLE
+            safetyNetTitle.value = when (response) {
+                SafetyNetHelper.RESPONSE_ERR -> R.string.safetyNet_res_invalid
+                else -> R.string.safetyNet_api_error
+            }
+        }
+    }
+
+}