generate key

Author: katcom

app/src/main/AndroidManifest.xml

@@ -31,6 +31,9 @@
         </activity>
 
     </application>
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="true" />
     <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 </manifest>

app/src/main/java/com/katcom/androidFileVault/EntryFragment.java

@@ -3,6 +3,7 @@
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
+import android.content.res.AssetManager;
 import android.os.Bundle;
 import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
@@ -15,9 +16,14 @@
 import com.katcom.androidFileVault.login.LoginActivity;
 import com.katcom.androidFileVault.login.SetPasswordActivity;
 
+import java.io.File;
+import java.io.FileDescriptor;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
 public class EntryFragment extends Fragment {
     private Button mVaultOpenButton;
-
+    private FileManager mVault;
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
         View view = inflater.inflate(R.layout.fragment_entry,container,false);
@@ -31,18 +37,65 @@ public void onClick(View v) {
             }
         });
 
+        mVault = FileManager.get(getContext());
         return view;
     }
 
     private void openVault() {
         if(!hasPassword()){
+            // Launch activity to setup password
             setPassword();
+
+            // Generate private key for encryption before copying sample files
+            generatePrivateKey();
+
+            // Put some sample files in the vault
+            copySampleFiles();
         }else{
             Intent i= new Intent(this.getContext(), LoginActivity.class);
             startActivity(i);
         }
     }
 
+    private void generatePrivateKey() {
+        if(!mVault.hasPrivateKey()){
+            mVault.generateKey();
+        }
+    }
+
+    private void copySampleFiles() {
+        File file = new File(this.getContext().getFilesDir() + "/" + FileManager.sVaultDirectory);
+        if (!file.exists()) {
+            file.mkdir();
+        }
+
+        String source = "sample_files";
+        String vaultPath = getActivity().getFilesDir() + "/" + FileManager.sVaultDirectory;
+        AssetManager assets = getActivity().getAssets();
+        try {
+            String[] files = assets.list(source);
+            for(String filename:files){
+                String filepath = source + "/" + filename;
+                String targetPath = vaultPath + "/" + filename;
+                File outFile = new File(targetPath);
+                if(outFile.exists()){
+                    continue;
+                }
+
+                //FileDescriptor in = assets.openFd(filepath).getFileDescriptor().;
+
+                //vault.importFile(filename,in,targetPath);
+                //assets.openFd(filepath).close();
+                mVault.importFileFromAsset(filename,filepath,targetPath);
+
+            }
+        }catch (FileNotFoundException e){
+            e.printStackTrace();;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
     private void setPassword() {
         Intent intent = new Intent(this.getContext(), SetPasswordActivity.class);
         startActivity(intent);