YouTube: Add Enable Debugging patch

Author: chsbuffer

app/src/main/java/io/github/chsbuffer/revancedxposed/youtube/YoutubeHook.kt

@@ -21,6 +21,7 @@ import io.github.chsbuffer.revancedxposed.youtube.layout.hide.shorts.HideShortsC
 import io.github.chsbuffer.revancedxposed.youtube.layout.sponsorblock.SponsorBlock
 import io.github.chsbuffer.revancedxposed.youtube.layout.startupshortsreset.DisableResumingShortsOnStartup
 import io.github.chsbuffer.revancedxposed.youtube.misc.backgroundplayback.BackgroundPlayback
+import io.github.chsbuffer.revancedxposed.youtube.misc.debugging.EnableDebugging
 import io.github.chsbuffer.revancedxposed.youtube.misc.privacy.RemoveTrackingQueryParameter
 import io.github.chsbuffer.revancedxposed.youtube.misc.settings.SettingsHook
 import io.github.chsbuffer.revancedxposed.youtube.video.quality.VideoQuality
@@ -49,6 +50,7 @@ class YoutubeHook(
         ::HideLayoutComponents,
         ::HideButtons,
         ::PlaybackSpeed,
+        ::EnableDebugging,
         // make sure settingsHook at end to build preferences
         ::SettingsHook
     )

app/src/main/java/io/github/chsbuffer/revancedxposed/youtube/misc/debugging/EnableDebuggingPatch.kt

@@ -0,0 +1,77 @@
+package io.github.chsbuffer.revancedxposed.youtube.misc.debugging
+
+import app.revanced.extension.youtube.patches.EnableDebuggingPatch
+import io.github.chsbuffer.revancedxposed.shared.misc.settings.preference.NonInteractivePreference
+import io.github.chsbuffer.revancedxposed.shared.misc.settings.preference.PreferenceScreenPreference
+import io.github.chsbuffer.revancedxposed.shared.misc.settings.preference.PreferenceScreenPreference.*
+import io.github.chsbuffer.revancedxposed.shared.misc.settings.preference.SwitchPreference
+import io.github.chsbuffer.revancedxposed.youtube.YoutubeHook
+import io.github.chsbuffer.revancedxposed.youtube.misc.settings.PreferenceScreen
+
+fun YoutubeHook.EnableDebugging() {
+    PreferenceScreen.MISC.addPreferences(
+        PreferenceScreenPreference(
+            key = "revanced_debug_screen",
+            sorting = Sorting.UNSORTED,
+            preferences = setOf(
+                SwitchPreference("revanced_debug"),
+                SwitchPreference("revanced_debug_protobuffer"),
+                SwitchPreference("revanced_debug_stacktrace"),
+                SwitchPreference("revanced_debug_toast_on_error"),
+                NonInteractivePreference(
+                    "revanced_debug_export_logs_to_clipboard",
+                    tag = app.revanced.extension.youtube.settings.preference.ExportLogToClipboardPreference::class.java,
+                    selectable = true,
+                ),
+                NonInteractivePreference(
+                    "revanced_debug_logs_clear_buffer",
+                    tag = app.revanced.extension.youtube.settings.preference.ClearLogBufferPreference::class.java,
+                    selectable = true,
+                ),
+            ),
+        ),
+    )
+
+    // Hook the methods that look up if a feature flag is active.
+    ::experimentalBooleanFeatureFlagFingerprint.hookMethod {
+        after {
+            it.result = EnableDebuggingPatch.isBooleanFeatureFlagEnabled(
+                it.result as Boolean,
+                it.args[1] as Long
+            )
+        }
+    }
+
+    ::experimentalDoubleFeatureFlagFingerprint.hookMethod {
+        after {
+            it.result = EnableDebuggingPatch.isDoubleFeatureFlagEnabled(
+                it.result as Double,
+                it.args[0] as Long,
+                it.args[1] as Double
+            )
+        }
+    }
+
+    ::experimentalLongFeatureFlagFingerprint.hookMethod {
+        after {
+            it.result = EnableDebuggingPatch.isLongFeatureFlagEnabled(
+                it.result as Long,
+                it.args[0] as Long,
+                it.args[1] as Long
+            )
+        }
+    }
+
+    ::experimentalStringFeatureFlagFingerprint.hookMethod {
+        after {
+            it.result = EnableDebuggingPatch.isStringFeatureFlagEnabled(
+                it.result as String,
+                it.args[0] as Long,
+                it.args[1] as String
+            )
+        }
+    }
+
+    // There exists other experimental accessor methods for byte[]
+    // and wrappers for obfuscated classes, but currently none of those are hooked.
+}

app/src/main/java/io/github/chsbuffer/revancedxposed/youtube/misc/debugging/Fingerprints.kt

@@ -0,0 +1,48 @@
+package io.github.chsbuffer.revancedxposed.youtube.misc.debugging
+
+import io.github.chsbuffer.revancedxposed.AccessFlags
+import io.github.chsbuffer.revancedxposed.accessFlags
+import io.github.chsbuffer.revancedxposed.findMethodDirect
+import io.github.chsbuffer.revancedxposed.fingerprint
+import io.github.chsbuffer.revancedxposed.parameters
+import io.github.chsbuffer.revancedxposed.returns
+import io.github.chsbuffer.revancedxposed.strings
+
+internal val experimentalFeatureFlagParentFingerprint = findMethodDirect {
+    findMethod {
+        matcher {
+            accessFlags(AccessFlags.PUBLIC, AccessFlags.STATIC)
+            returns("L")
+            parameters("L", "J", "[B")
+            strings("Unable to parse proto typed experiment flag: ")
+        }
+    }.first()
+}
+
+internal val experimentalBooleanFeatureFlagFingerprint = fingerprint {
+    classMatcher { className(experimentalFeatureFlagParentFingerprint(dexkit).declaredClassName) }
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.STATIC)
+    returns("Z")
+    parameters("L", "J", "Z")
+}
+
+internal val experimentalDoubleFeatureFlagFingerprint = fingerprint {
+    classMatcher { className(experimentalFeatureFlagParentFingerprint(dexkit).declaredClassName) }
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
+    returns("D")
+    parameters("J", "D")
+}
+
+internal val experimentalLongFeatureFlagFingerprint = fingerprint {
+    classMatcher { className(experimentalFeatureFlagParentFingerprint(dexkit).declaredClassName) }
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
+    returns("J")
+    parameters("J", "J")
+}
+
+internal val experimentalStringFeatureFlagFingerprint = fingerprint {
+    classMatcher { className(experimentalFeatureFlagParentFingerprint(dexkit).declaredClassName) }
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
+    returns("Ljava/lang/String;")
+    parameters("J", "Ljava/lang/String;")
+}