's'

modules/expo-easytier-vpn/android/src/main/AndroidManifest.xml

@@ -0,0 +1,3 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+  <uses-permission android:name="android.permission.INTERNET" />
+</manifest>

modules/expo-easytier-vpn/android/src/main/java/expo/modules/easytier/ExpoEasyTierVpnModule.kt

@@ -0,0 +1,63 @@
+package expo.modules.easytier
+
+import android.content.Context
+import android.net.VpnService
+import expo.modules.kotlin.modules.Module
+import expo.modules.kotlin.modules.ModuleDefinition
+
+/**
+ * 与 PC 同源保存 EasyTier 组网 JSON；请求 Android VPN 授权。
+ * 数据面隧道需将 easytier-core（与 easytier-gui Android 同源）以 JNI 形式接入后，再在此处启动/绑定 tun。
+ */
+class ExpoEasyTierVpnModule : Module() {
+  override fun definition() = ModuleDefinition {
+    Name("ExpoEasyTierVpn")
+
+    Function("isAvailable") {
+      true
+    }
+
+    AsyncFunction("saveAndPrepareTunnel") { configJson: String ->
+      val ctx = appContext.reactContext ?: throw Exception("no context")
+      val prefs = ctx.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
+      prefs.edit().putString(KEY_CONFIG, configJson).apply()
+
+      val intent = VpnService.prepare(ctx)
+      if (intent != null) {
+        val act = appContext.currentActivity
+        if (act != null) {
+          @Suppress("DEPRECATION")
+          act.startActivityForResult(intent, REQUEST_VPN)
+          mapOf(
+            "ok" to true,
+            "needsVpnPermission" to true,
+          )
+        } else {
+          mapOf(
+            "ok" to false,
+            "error" to "no_activity",
+            "needsVpnPermission" to true,
+          )
+        }
+      } else {
+        mapOf(
+          "ok" to true,
+          "vpnPermissionGranted" to true,
+          "stub" to true,
+        )
+      }
+    }
+
+    AsyncFunction("checkVpnPermissionGranted") {
+      val ctx = appContext.reactContext ?: return@AsyncFunction mapOf("granted" to false)
+      val intent = VpnService.prepare(ctx)
+      mapOf("granted" to (intent == null))
+    }
+  }
+
+  companion object {
+    private const val PREFS = "expo_easytier_vpn"
+    private const val KEY_CONFIG = "config_json"
+    private const val REQUEST_VPN = 0x4554
+  }
+}