[video_player] Fix SSLProtocolException for low API version (flutter#3122)

Author: hamdikahloun

packages/video_player/video_player/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.11.1
+
+* Enable TLSv1.1 & TLSv1.2 for API 19 and below.
+
 ## 0.11.0
 
 * Added option to set the video playback speed on the video controller.

packages/video_player/video_player/android/src/main/java/io/flutter/plugins/videoplayer/CustomSSLSocketFactory.java

@@ -0,0 +1,70 @@
+package io.flutter.plugins.videoplayer;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.Socket;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocket;
+import javax.net.ssl.SSLSocketFactory;
+
+public class CustomSSLSocketFactory extends SSLSocketFactory {
+  private SSLSocketFactory sslSocketFactory;
+
+  public CustomSSLSocketFactory() throws KeyManagementException, NoSuchAlgorithmException {
+    SSLContext context = SSLContext.getInstance("TLS");
+    context.init(null, null, null);
+    sslSocketFactory = context.getSocketFactory();
+  }
+
+  @Override
+  public String[] getDefaultCipherSuites() {
+    return sslSocketFactory.getDefaultCipherSuites();
+  }
+
+  @Override
+  public String[] getSupportedCipherSuites() {
+    return sslSocketFactory.getSupportedCipherSuites();
+  }
+
+  @Override
+  public Socket createSocket() throws IOException {
+    return enableProtocols(sslSocketFactory.createSocket());
+  }
+
+  @Override
+  public Socket createSocket(Socket s, String host, int port, boolean autoClose)
+      throws IOException {
+    return enableProtocols(sslSocketFactory.createSocket(s, host, port, autoClose));
+  }
+
+  @Override
+  public Socket createSocket(String host, int port) throws IOException {
+    return enableProtocols(sslSocketFactory.createSocket(host, port));
+  }
+
+  @Override
+  public Socket createSocket(String host, int port, InetAddress localHost, int localPort)
+      throws IOException {
+    return enableProtocols(sslSocketFactory.createSocket(host, port, localHost, localPort));
+  }
+
+  @Override
+  public Socket createSocket(InetAddress host, int port) throws IOException {
+    return enableProtocols(sslSocketFactory.createSocket(host, port));
+  }
+
+  @Override
+  public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort)
+      throws IOException {
+    return enableProtocols(sslSocketFactory.createSocket(address, port, localAddress, localPort));
+  }
+
+  private Socket enableProtocols(Socket socket) {
+    if (socket instanceof SSLSocket) {
+      ((SSLSocket) socket).setEnabledProtocols(new String[] {"TLSv1.1", "TLSv1.2"});
+    }
+    return socket;
+  }
+}

packages/video_player/video_player/android/src/main/java/io/flutter/plugins/videoplayer/VideoPlayerPlugin.java

@@ -5,6 +5,7 @@
 package io.flutter.plugins.videoplayer;
 
 import android.content.Context;
+import android.os.Build;
 import android.util.Log;
 import android.util.LongSparseArray;
 import io.flutter.embedding.engine.loader.FlutterLoader;
@@ -20,6 +21,9 @@
 import io.flutter.plugins.videoplayer.Messages.VideoPlayerApi;
 import io.flutter.plugins.videoplayer.Messages.VolumeMessage;
 import io.flutter.view.TextureRegistry;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import javax.net.ssl.HttpsURLConnection;
 
 /** Android platform implementation of the VideoPlayerPlugin. */
 public class VideoPlayerPlugin implements FlutterPlugin, VideoPlayerApi {
@@ -56,6 +60,19 @@ public static void registerWith(io.flutter.plugin.common.PluginRegistry.Registra
 
   @Override
   public void onAttachedToEngine(FlutterPluginBinding binding) {
+    if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+      try {
+        HttpsURLConnection.setDefaultSSLSocketFactory(new CustomSSLSocketFactory());
+      } catch (KeyManagementException | NoSuchAlgorithmException e) {
+        Log.w(
+            TAG,
+            "Failed to enable TLSv1.1 and TLSv1.2 Protocols for API level 19 and below.\n"
+                + "For more information about Socket Security, please consult the following link:\n"
+                + "https://developer.android.com/reference/javax/net/ssl/SSLSocket",
+            e);
+      }
+    }
+
     @SuppressWarnings("deprecation")
     final FlutterLoader flutterLoader = FlutterLoader.getInstance();
     this.flutterState =

packages/video_player/video_player/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flutter plugin for displaying inline video with other Flutter
 # 0.10.y+z is compatible with 1.0.0, if you land a breaking change bump
 # the version to 2.0.0.
 # See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
-version: 0.11.0
+version: 0.11.1
 homepage: https://github.com/flutter/plugins/tree/master/packages/video_player/video_player
 
 flutter: