Support pre-5.0 without GMS

Fix #1912

app/build.gradle

@@ -94,7 +94,7 @@ dependencies {
     implementation "com.squareup.retrofit2:converter-scalars:${vRetrofit}"
     implementation "com.squareup.retrofit2:adapter-rxjava2:${vRetrofit}"
 
-    def vOkHttp = '3.12.2'
+    def vOkHttp = '3.12.6'
     implementation "com.squareup.okhttp3:okhttp:${vOkHttp}"
     implementation "com.squareup.okhttp3:logging-interceptor:${vOkHttp}"
 

app/src/main/java/com/topjohnwu/magisk/App.kt

@@ -13,7 +13,6 @@ import com.topjohnwu.magisk.data.database.RepoDatabase_Impl
 import com.topjohnwu.magisk.di.ActivityTracker
 import com.topjohnwu.magisk.di.koinModules
 import com.topjohnwu.magisk.extensions.get
-import com.topjohnwu.magisk.net.Networking
 import com.topjohnwu.magisk.utils.LocaleManager
 import com.topjohnwu.magisk.utils.RootUtils
 import com.topjohnwu.superuser.Shell
@@ -50,8 +49,6 @@ open class App : Application() {
         }
 
         registerActivityLifecycleCallbacks(get<ActivityTracker>())
-
-        Networking.init(base)
         LocaleManager.setLocale(this)
     }
 

app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt

@@ -1,11 +1,14 @@
 package com.topjohnwu.magisk.di
 
+import android.content.Context
 import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.Moshi
 import com.topjohnwu.magisk.BuildConfig
 import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.data.network.GithubApiServices
 import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.net.Networking
+import com.topjohnwu.magisk.net.NoSSLv3SocketFactory
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import org.koin.dsl.module
@@ -16,14 +19,14 @@ import retrofit2.converter.scalars.ScalarsConverterFactory
 import se.ansman.kotshi.KotshiJsonAdapterFactory
 
 val networkingModule = module {
-    single { createOkHttpClient() }
-    single { createMoshiConverterFactory() }
-    single { createRetrofit(get(), get()) }
+    single { createOkHttpClient(get()) }
+    single { createRetrofit(get()) }
     single { createApiService<GithubRawServices>(get(), Const.Url.GITHUB_RAW_URL) }
     single { createApiService<GithubApiServices>(get(), Const.Url.GITHUB_API_URL) }
 }
 
-fun createOkHttpClient(): OkHttpClient {
+@Suppress("DEPRECATION")
+fun createOkHttpClient(context: Context): OkHttpClient {
     val builder = OkHttpClient.Builder()
 
     if (BuildConfig.DEBUG) {
@@ -33,6 +36,10 @@ fun createOkHttpClient(): OkHttpClient {
         builder.addInterceptor(httpLoggingInterceptor)
     }
 
+    if (!Networking.init(context)) {
+        builder.sslSocketFactory(NoSSLv3SocketFactory())
+    }
+
     return builder.build()
 }
 
@@ -43,13 +50,10 @@ fun createMoshiConverterFactory(): MoshiConverterFactory {
     return MoshiConverterFactory.create(moshi)
 }
 
-fun createRetrofit(
-    okHttpClient: OkHttpClient,
-    converterFactory: MoshiConverterFactory
-): Retrofit.Builder {
+fun createRetrofit(okHttpClient: OkHttpClient): Retrofit.Builder {
     return Retrofit.Builder()
         .addConverterFactory(ScalarsConverterFactory.create())
-        .addConverterFactory(converterFactory)
+        .addConverterFactory(createMoshiConverterFactory())
         .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
         .client(okHttpClient)
 }

shared/build.gradle

@@ -3,6 +3,7 @@ apply plugin: 'com.android.library'
 android {
     defaultConfig {
         vectorDrawables.useSupportLibrary = true
+        consumerProguardFiles 'proguard-rules.pro'
     }
 }
 

shared/proguard-rules.pro

@@ -19,3 +19,7 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-keepclassmembers class * implements javax.net.ssl.SSLSocketFactory {
+    ** delegate;
+}

shared/src/main/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.topjohnwu.shared">
 
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 

shared/src/main/java/com/topjohnwu/magisk/net/Networking.java

@@ -35,7 +35,7 @@ public class Networking {
         return request(url, "GET");
     }
 
-    public static void init(Context context) {
+    public static boolean init(Context context) {
         try {
             // Try installing new SSL provider from Google Play Service
             Context gms = context.createPackageContext("com.google.android.gms",
@@ -45,11 +45,15 @@ public class Networking {
                     .getMethod("insertProvider", Context.class)
                     .invoke(null, gms);
         } catch (Exception e) {
+            if (Build.VERSION.SDK_INT < 21) {
                 // Failed to update SSL provider, use NoSSLv3SocketFactory on SDK < 21
-            if (Build.VERSION.SDK_INT < 21)
+                // and return false to notify potential issues
                 HttpsURLConnection.setDefaultSSLSocketFactory(new NoSSLv3SocketFactory());
+                return false;
             }
         }
+        return true;
+    }
 
     public static boolean checkNetworkStatus(Context context) {
         ConnectivityManager manager = (ConnectivityManager)

shared/src/main/java/com/topjohnwu/magisk/net/NoSSLv3SocketFactory.java

@@ -11,18 +11,18 @@ import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLSocket;
 import javax.net.ssl.SSLSocketFactory;
 
-class NoSSLv3SocketFactory extends SSLSocketFactory {
+public class NoSSLv3SocketFactory extends SSLSocketFactory {
 
-    private final static SSLSocketFactory base = HttpsURLConnection.getDefaultSSLSocketFactory();
+    private final static SSLSocketFactory delegate = HttpsURLConnection.getDefaultSSLSocketFactory();
 
     @Override
     public String[] getDefaultCipherSuites() {
-        return base.getDefaultCipherSuites();
+        return delegate.getDefaultCipherSuites();
     }
 
     @Override
     public String[] getSupportedCipherSuites() {
-        return base.getSupportedCipherSuites();
+        return delegate.getSupportedCipherSuites();
     }
 
     private Socket createSafeSocket(Socket socket) {
@@ -40,31 +40,31 @@ class NoSSLv3SocketFactory extends SSLSocketFactory {
 
     @Override
     public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException {
-        return createSafeSocket(base.createSocket(s, host, port, autoClose));
+        return createSafeSocket(delegate.createSocket(s, host, port, autoClose));
     }
 
     @Override
     public Socket createSocket() throws IOException {
-        return createSafeSocket(base.createSocket());
+        return createSafeSocket(delegate.createSocket());
     }
 
     @Override
     public Socket createSocket(String host, int port) throws IOException {
-        return createSafeSocket(base.createSocket(host, port));
+        return createSafeSocket(delegate.createSocket(host, port));
     }
 
     @Override
     public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException {
-        return createSafeSocket(base.createSocket(host, port, localHost, localPort));
+        return createSafeSocket(delegate.createSocket(host, port, localHost, localPort));
     }
 
     @Override
     public Socket createSocket(InetAddress host, int port) throws IOException {
-        return createSafeSocket(base.createSocket(host, port));
+        return createSafeSocket(delegate.createSocket(host, port));
     }
 
     @Override
     public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
-        return createSafeSocket(base.createSocket(address, port, localAddress, localPort));
+        return createSafeSocket(delegate.createSocket(address, port, localAddress, localPort));
     }
 }