Include API root certificate

2 files changed, 52 insertions, 0 deletions

diff --git a/android/src/main/kotlin/net/mullvad/mullvadvpn/ApiRootCaFile.kt b/android/src/main/kotlin/net/mullvad/mullvadvpn/ApiRootCaFile.kt
new file mode 100644
index 0000000000..dc8af32ce2
--- /dev/null
+++ b/android/src/main/kotlin/net/mullvad/mullvadvpn/ApiRootCaFile.kt
@@ -0,0 +1,29 @@
+package net.mullvad.mullvadvpn
+
+import java.io.File
+import java.io.FileOutputStream
+import java.io.InputStream
+
+import android.content.Context
+
+private const val API_ROOT_CA_FILE = "api_root_ca.pem"
+private const val API_ROOT_CA_PATH = "/data/data/net.mullvad.mullvadvpn/api_root_ca.pem"
+
+class ApiRootCaFile {
+    fun extract(context: Context) {
+        if (!File(API_ROOT_CA_PATH).exists()) {
+            extractFile(context, API_ROOT_CA_FILE, API_ROOT_CA_PATH)
+        }
+    }
+
+    private fun extractFile(context: Context, asset: String, destination: String) {
+        val destinationStream = FileOutputStream(destination)
+
+        context
+            .assets
+            .open(asset)
+            .copyTo(destinationStream)
+
+        destinationStream.close()
+    }
+}
diff --git a/android/src/main/kotlin/net/mullvad/mullvadvpn/MainActivity.kt b/android/src/main/kotlin/net/mullvad/mullvadvpn/MainActivity.kt
index b7b0e8fa8c..8b1571c2fc 100644
--- a/android/src/main/kotlin/net/mullvad/mullvadvpn/MainActivity.kt
+++ b/android/src/main/kotlin/net/mullvad/mullvadvpn/MainActivity.kt
@@ -1,24 +1,47 @@
 package net.mullvad.mullvadvpn
 
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+
 import android.os.Bundle
 import android.support.v4.app.FragmentActivity
 
 class MainActivity : FragmentActivity() {
+    private val extractApiRootCaFile = doExtractApiRootCaFile()
+
+    val activityCreated = CompletableDeferred<Unit>()
+
     var selectedRelayItemCode: String? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.main)
 
+        activityCreated.complete(Unit)
+
         if (savedInstanceState == null) {
             addInitialFragment()
         }
     }
 
+    override fun onDestroy() {
+        extractApiRootCaFile.cancel()
+
+        super.onDestroy()
+    }
+
     private fun addInitialFragment() {
         supportFragmentManager?.beginTransaction()?.apply {
             add(R.id.main_fragment, LoginFragment())
             commit()
         }
     }
+
+    private fun doExtractApiRootCaFile() = GlobalScope.launch(Dispatchers.Default) {
+        activityCreated.await()
+        ApiRootCaFile().extract(this@MainActivity)
+    }
 }