Override X-Requested-With header value in WebView requests (closes #6781)

app/src/main/java/eu/kanade/tachiyomi/App.kt

@@ -32,6 +32,7 @@ import eu.kanade.tachiyomi.network.NetworkHelper
 import eu.kanade.tachiyomi.ui.base.delegate.SecureActivityDelegate
 import eu.kanade.tachiyomi.util.preference.asImmediateFlow
 import eu.kanade.tachiyomi.util.system.AuthenticatorUtil
+import eu.kanade.tachiyomi.util.system.WebViewUtil
 import eu.kanade.tachiyomi.util.system.animatorDurationScale
 import eu.kanade.tachiyomi.util.system.logcat
 import eu.kanade.tachiyomi.util.system.notification
@@ -148,6 +149,23 @@ open class App : Application(), DefaultLifecycleObserver, ImageLoaderFactory {
         }
     }
 
+    override fun getPackageName(): String {
+        try {
+            // Override the value passed as X-Requested-With in WebView requests
+            val stackTrace = Thread.currentThread().stackTrace
+            for (element in stackTrace) {
+                if ("org.chromium.base.BuildInfo".equals(element.className, ignoreCase = true)) {
+                    if ("getAll".equals(element.methodName, ignoreCase = true)) {
+                        return WebViewUtil.SPOOF_PACKAGE_NAME
+                    }
+                    break
+                }
+            }
+        } catch (e: Exception) {
+        }
+        return super.getPackageName()
+    }
+
     protected open fun setupAcra() {
         if (BuildConfig.FLAVOR != "dev") {
             initAcra {