1 files changed, 235 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderSetupBaseActivity.java b/app/src/main/java/se/leap/bitmaskclient/ProviderSetupBaseActivity.java
new file mode 100644
index 00000000..8731a2cc
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderSetupBaseActivity.java
@@ -0,0 +1,235 @@
+package se.leap.bitmaskclient;
+
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.PersistableBundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v4.content.LocalBroadcastManager;
+import android.util.Log;
+
+import org.jetbrains.annotations.NotNull;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import static se.leap.bitmaskclient.Constants.BROADCAST_PROVIDER_API_EVENT;
+import static se.leap.bitmaskclient.Constants.PROVIDER_KEY;
+import static se.leap.bitmaskclient.Constants.REQUEST_CODE_CONFIGURE_LEAP;
+import static se.leap.bitmaskclient.ProviderAPI.DOWNLOAD_VPN_CERTIFICATE;
+import static se.leap.bitmaskclient.ProviderAPI.ERRORS;
+import static se.leap.bitmaskclient.ProviderAPI.PROVIDER_SET_UP;
+import static se.leap.bitmaskclient.ProviderAPI.UPDATE_PROVIDER_DETAILS;
+import static se.leap.bitmaskclient.ProviderSetupInterface.ProviderConfigState.PENDING_SHOW_FAILED_DIALOG;
+import static se.leap.bitmaskclient.ProviderSetupInterface.ProviderConfigState.PROVIDER_NOT_SET;
+import static se.leap.bitmaskclient.ProviderSetupInterface.ProviderConfigState.SETTING_UP_PROVIDER;
+import static se.leap.bitmaskclient.ProviderSetupInterface.ProviderConfigState.SHOWING_PROVIDER_DETAILS;
+import static se.leap.bitmaskclient.ProviderSetupInterface.ProviderConfigState.SHOW_FAILED_DIALOG;
+
+/**
+ * Created by cyberta on 19.08.18.
+ */
+
+public abstract class ProviderSetupBaseActivity extends ConfigWizardBaseActivity implements ProviderAPIResultReceiver.Receiver, ProviderSetupInterface, ProviderSetupFailedDialog.DownloadFailedDialogInterface {
+    final public static String TAG = "PoviderSetupActivity";
+    final private static String ACTIVITY_STATE = "ACTIVITY STATE";
+    final private static String REASON_TO_FAIL = "REASON TO FAIL";
+
+    protected ProviderSetupInterface.ProviderConfigState providerConfigState = PROVIDER_NOT_SET;
+    private ProviderManager providerManager;
+    private FragmentManagerEnhanced fragmentManager;
+
+    private String reasonToFail;
+    protected boolean testNewURL;
+
+    private ProviderApiSetupBroadcastReceiver providerAPIBroadcastReceiver;
+    private ProviderAPIResultReceiver providerAPIResultReceiver;
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        fragmentManager = new FragmentManagerEnhanced(getSupportFragmentManager());
+        providerManager = ProviderManager.getInstance(getAssets(), getExternalFilesDir(null));
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        Log.d(TAG, "resuming with ConfigState: " + providerConfigState.toString());
+        setUpProviderAPIResultReceiver();
+        if (SETTING_UP_PROVIDER == providerConfigState) {
+            showProgressBar();
+            checkProviderSetUp();
+        } else if (PENDING_SHOW_FAILED_DIALOG == providerConfigState) {
+            showProgressBar();
+            showDownloadFailedDialog();
+        } else if (SHOW_FAILED_DIALOG == providerConfigState) {
+            showProgressBar();
+        } else if (SHOWING_PROVIDER_DETAILS == providerConfigState) {
+            cancelSettingUpProvider();
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if (providerAPIBroadcastReceiver != null)
+            LocalBroadcastManager.getInstance(this).unregisterReceiver(providerAPIBroadcastReceiver);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        providerAPIResultReceiver = null;
+    }
+
+
+    @Override
+    public void onSaveInstanceState(@NotNull Bundle outState) {
+        outState.putString(ACTIVITY_STATE, providerConfigState.toString());
+        outState.putString(REASON_TO_FAIL, reasonToFail);
+
+        super.onSaveInstanceState(outState);
+    }
+
+    protected FragmentManagerEnhanced getFragmentManagerEnhanced() {
+        return fragmentManager;
+    }
+
+    protected ProviderManager getProviderManager() {
+        return providerManager;
+    }
+
+    protected void setProviderConfigState(ProviderConfigState state) {
+        this.providerConfigState = state;
+    }
+
+    protected void setProvider(Provider provider) {
+        this.provider = provider;
+    }
+
+    // --------- ProviderSetupInterface ---v
+    @Override
+    public Provider getProvider() {
+        return provider;
+    }
+
+    @Override
+    public ProviderConfigState getConfigState() {
+        return providerConfigState;
+    }
+
+    @Override
+    public void handleProviderSetupFailed(Bundle resultData) {
+        reasonToFail = resultData.getString(ERRORS);
+        showDownloadFailedDialog();
+    }
+
+    @Override
+    public void handleIncorrectlyDownloadedCertificate() {
+        cancelSettingUpProvider();
+        setResult(RESULT_CANCELED, new Intent(getConfigState().toString()));
+    }
+
+    // -------- DownloadFailedDialogInterface ---v
+    @Override
+    public void cancelSettingUpProvider() {
+        providerConfigState = PROVIDER_NOT_SET;
+        provider = null;
+        hideProgressBar();
+    }
+
+    @Override
+    public void updateProviderDetails() {
+        providerConfigState = SETTING_UP_PROVIDER;
+        ProviderAPICommand.execute(this, UPDATE_PROVIDER_DETAILS, provider);
+    }
+
+    // -------- ProviderAPIResultReceiver.Receiver ---v
+    @Override
+    public void onReceiveResult(int resultCode, Bundle resultData) {
+        if (resultCode == ProviderAPI.PROVIDER_OK) {
+            Provider provider = resultData.getParcelable(PROVIDER_KEY);
+            handleProviderSetUp(provider);
+        }
+    }
+
+    protected void restoreState(Bundle savedInstanceState) {
+        super.restoreState(savedInstanceState);
+        if (savedInstanceState == null) {
+            return;
+        }
+        this.providerConfigState = ProviderSetupInterface.ProviderConfigState.valueOf(savedInstanceState.getString(ACTIVITY_STATE, PROVIDER_NOT_SET.toString()));
+        if (savedInstanceState.containsKey(REASON_TO_FAIL)) {
+            reasonToFail = savedInstanceState.getString(REASON_TO_FAIL);
+        }
+    }
+
+    private void setUpProviderAPIResultReceiver() {
+        providerAPIResultReceiver = new ProviderAPIResultReceiver(new Handler(), this);
+        providerAPIBroadcastReceiver = new ProviderApiSetupBroadcastReceiver(this);
+
+        IntentFilter updateIntentFilter = new IntentFilter(BROADCAST_PROVIDER_API_EVENT);
+        updateIntentFilter.addCategory(Intent.CATEGORY_DEFAULT);
+        LocalBroadcastManager.getInstance(this).registerReceiver(providerAPIBroadcastReceiver, updateIntentFilter);
+    }
+
+    /**
+     * Asks ProviderApiService to download an anonymous (anon) VPN certificate.
+     */
+    protected void downloadVpnCertificate() {
+        ProviderAPICommand.execute(this, DOWNLOAD_VPN_CERTIFICATE, provider);
+    }
+
+    /*
+     *
+     */
+    public void checkProviderSetUp() {
+        ProviderAPICommand.execute(this, PROVIDER_SET_UP, provider, providerAPIResultReceiver);
+    }
+
+    /**
+     * Once selected a provider, this fragment offers the user to log in,
+     * use it anonymously (if possible)
+     * or cancel his/her election pressing the back button.
+     */
+    public void showProviderDetails() {
+        // show only if current activity is shown
+        if (isActivityShowing &&
+                providerConfigState != SHOWING_PROVIDER_DETAILS) {
+            providerConfigState = SHOWING_PROVIDER_DETAILS;
+            Intent intent = new Intent(this, ProviderDetailActivity.class);
+            intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
+            intent.putExtra(PROVIDER_KEY, provider);
+            startActivityForResult(intent, REQUEST_CODE_CONFIGURE_LEAP);
+        }
+    }
+
+    /**
+     * Shows an error dialog, if configuring of a provider failed.
+     */
+    public void showDownloadFailedDialog() {
+        try {
+            providerConfigState = SHOW_FAILED_DIALOG;
+            FragmentTransaction fragmentTransaction = fragmentManager.removePreviousFragment(ProviderSetupFailedDialog.TAG);
+            DialogFragment newFragment;
+            try {
+                JSONObject errorJson = new JSONObject(reasonToFail);
+                newFragment = ProviderSetupFailedDialog.newInstance(provider, errorJson, testNewURL);
+            } catch (JSONException e) {
+                e.printStackTrace();
+                newFragment = ProviderSetupFailedDialog.newInstance(provider, reasonToFail);
+            } catch (NullPointerException e) {
+                //reasonToFail was null
+                return;
+            }
+            newFragment.show(fragmentTransaction, ProviderSetupFailedDialog.TAG);
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+            providerConfigState = PENDING_SHOW_FAILED_DIALOG;
+        }
+    }
+
+}