feat: bypass screenshot detection

common/src/main/assets/lang/en_US.json

@@ -312,6 +312,10 @@
                 "name": "Messaging",
                 "description": "Change how you interact with friends",
                 "properties": {
+                    "bypass_screenshot_detection": {
+                        "name": "Bypass Screenshot Detection",
+                        "description": "Prevents Snapchat from detecting when you take a screenshot"
+                    },
                     "anonymous_story_viewing": {
                         "name": "Anonymous Story Viewing",
                         "description": "Prevents anyone from knowing you've seen their story"

common/src/main/kotlin/me/rhunk/snapenhance/common/config/impl/MessagingTweaks.kt

@@ -5,6 +5,7 @@ import me.rhunk.snapenhance.common.config.FeatureNotice
 import me.rhunk.snapenhance.common.data.NotificationType
 
 class MessagingTweaks : ConfigContainer() {
+    val bypassScreenshotDetection = boolean("bypass_screenshot_detection") { requireRestart() }
     val anonymousStoryViewing = boolean("anonymous_story_viewing")
     val hideBitmojiPresence = boolean("hide_bitmoji_presence")
     val hideTypingNotifications = boolean("hide_typing_notifications")

core/src/main/kotlin/me/rhunk/snapenhance/core/features/impl/tweaks/BypassScreenshotDetection.kt

@@ -0,0 +1,23 @@
+package me.rhunk.snapenhance.core.features.impl.tweaks
+
+import android.content.ContentResolver
+import android.database.ContentObserver
+import android.net.Uri
+import me.rhunk.snapenhance.core.features.Feature
+import me.rhunk.snapenhance.core.features.FeatureLoadParams
+import me.rhunk.snapenhance.core.util.hook.HookStage
+import me.rhunk.snapenhance.core.util.hook.hook
+
+class BypassScreenshotDetection : Feature("BypassScreenshotDetection", loadParams = FeatureLoadParams.ACTIVITY_CREATE_SYNC) {
+    override fun onActivityCreate() {
+        if (!context.config.messaging.bypassScreenshotDetection.get()) return
+        ContentResolver::class.java.methods.first {
+            it.name == "registerContentObserver" &&
+            it.parameterTypes.contentEquals(arrayOf(android.net.Uri::class.java, Boolean::class.javaPrimitiveType, ContentObserver::class.java))
+        }.hook(HookStage.BEFORE) { param ->
+            val uri = param.arg<Uri>(0)
+            if (uri.host != "media") return@hook
+            param.setResult(null)
+        }
+    }
+}

core/src/main/kotlin/me/rhunk/snapenhance/core/manager/impl/FeatureManager.kt

@@ -17,6 +17,7 @@ import me.rhunk.snapenhance.core.features.impl.messaging.*
 import me.rhunk.snapenhance.core.features.impl.spying.MessageLogger
 import me.rhunk.snapenhance.core.features.impl.spying.StealthMode
 import me.rhunk.snapenhance.core.features.impl.tweaks.CameraTweaks
+import me.rhunk.snapenhance.core.features.impl.tweaks.BypassScreenshotDetection
 import me.rhunk.snapenhance.core.features.impl.ui.*
 import me.rhunk.snapenhance.core.logger.CoreLogger
 import me.rhunk.snapenhance.core.manager.Manager
@@ -103,6 +104,7 @@ class FeatureManager(
             CallStartConfirmation::class,
             SnapPreview::class,
             InstantDelete::class,
+            BypassScreenshotDetection::class,
         )
 
         initializeFeatures()