Merge pull request #1198 from yuhan6665/user-agent

Set user agent to v2rayNG/version when update subscription

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt

@@ -371,7 +371,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
             }
             GlobalScope.launch(Dispatchers.IO) {
                 val configText = try {
-                    URL(url).readText()
+                    Utils.getUrlContentWithCustomUserAgent(url)
                 } catch (e: Exception) {
                     e.printStackTrace()
                     ""
@@ -408,9 +408,12 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                 Log.d(ANG_PACKAGE, url)
                 GlobalScope.launch(Dispatchers.IO) {
                     val configText = try {
-                        URL(url).readText()
+                        Utils.getUrlContentWithCustomUserAgent(url)
                     } catch (e: Exception) {
                         e.printStackTrace()
+                        launch(Dispatchers.Main) {
+                            toast("\"" + it.second.remarks + "\" " + getString(R.string.toast_failure))
+                        }
                         return@launch
                     }
                     launch(Dispatchers.Main) {

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainRecyclerAdapter.kt

@@ -213,7 +213,11 @@ class MainRecyclerAdapter(val activity: MainActivity) : RecyclerView.Adapter<Mai
     override fun onItemMove(fromPosition: Int, toPosition: Int): Boolean {
         mActivity.mainViewModel.swapServer(fromPosition, toPosition)
         notifyItemMoved(fromPosition, toPosition)
-        //notifyItemRangeChanged(fromPosition, toPosition - fromPosition + 1)
+        // position is changed, since position is used by click callbacks, need to update range
+        if (toPosition > fromPosition)
+            notifyItemRangeChanged(fromPosition, toPosition - fromPosition + 1)
+        else
+            notifyItemRangeChanged(toPosition, fromPosition - toPosition + 1)
         return true
     }
 

V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt

@@ -20,6 +20,7 @@ import android.util.Patterns
 import android.webkit.URLUtil
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
+import com.v2ray.ang.BuildConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.extension.responseLength
 import com.v2ray.ang.extension.toast
@@ -99,6 +100,15 @@ object Utils {
      * base64 decode
      */
     fun decode(text: String): String {
+        tryDecodeBase64(text)?.let { return it }
+        if (text.endsWith('=')) {
+            // try again for some loosely formatted base64
+            tryDecodeBase64(text.trimEnd('='))?.let { return it }
+        }
+        return ""
+    }
+
+    fun tryDecodeBase64(text: String): String? {
         try {
             return Base64.decode(text, Base64.NO_WRAP).toString(charset("UTF-8"))
         } catch (e: Exception) {
@@ -109,7 +119,7 @@ object Utils {
         } catch (e: Exception) {
             Log.i(AppConfig.ANG_PACKAGE, "Parse base64 url safe failed $e")
         }
-        return ""
+        return null
     }
 
     /**
@@ -447,5 +457,16 @@ object Utils {
             tcpTestingSockets.clear()
         }
     }
+
+    @Throws(IOException::class)
+    fun getUrlContentWithCustomUserAgent(url: String?): String {
+        val conn = URL(url).openConnection()
+        conn.setRequestProperty("Connection", "close")
+        conn.setRequestProperty("User-agent", "v2rayNG/${BuildConfig.VERSION_NAME}")
+        conn.useCaches = false
+        return conn.inputStream.use {
+            it.bufferedReader().readText()
+        }
+    }
 }