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mobile/android/base/fxa/activities/FxAccountSetupTask.java@fc2d59ddac77 (annotated)

mobile/android/base/fxa/activities/FxAccountSetupTask.java

Wed, 31 Dec 2014 07:22:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:22:50 +0100

branch

TOR_BUG_3246

changeset 4

fc2d59ddac77

permissions

-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	package org.mozilla.gecko.fxa.activities;
michael@0	6
michael@0	7	import java.io.UnsupportedEncodingException;
michael@0	8	import java.util.concurrent.CountDownLatch;
michael@0	9
michael@0	10	import org.mozilla.gecko.background.common.log.Logger;
michael@0	11	import org.mozilla.gecko.background.fxa.FxAccountClient;
michael@0	12	import org.mozilla.gecko.background.fxa.FxAccountClient10.RequestDelegate;
michael@0	13	import org.mozilla.gecko.background.fxa.FxAccountClient20.LoginResponse;
michael@0	14	import org.mozilla.gecko.background.fxa.FxAccountClientException.FxAccountClientRemoteException;
michael@0	15	import org.mozilla.gecko.background.fxa.PasswordStretcher;
michael@0	16	import org.mozilla.gecko.fxa.activities.FxAccountSetupTask.InnerRequestDelegate;
michael@0	17
michael@0	18	import android.content.Context;
michael@0	19	import android.os.AsyncTask;
michael@0	20
michael@0	21	/**
michael@0	22	* An <code>AsyncTask</code> wrapper around signing up for, and signing in to, a
michael@0	23	* Firefox Account.
michael@0	24	* <p>
michael@0	25	* It's strange to add explicit blocking to callback-threading code, but we do
michael@0	26	* it here to take advantage of Android's built in support for background work.
michael@0	27	* We really want to avoid making a threading mistake that brings down the whole
michael@0	28	* process.
michael@0	29	*/
michael@0	30	abstract class FxAccountSetupTask<T> extends AsyncTask<Void, Void, InnerRequestDelegate<T>> {
michael@0	31	private static final String LOG_TAG = FxAccountSetupTask.class.getSimpleName();
michael@0	32
michael@0	33	public interface ProgressDisplay {
michael@0	34	public void showProgress();
michael@0	35	public void dismissProgress();
michael@0	36	}
michael@0	37
michael@0	38	protected final Context context;
michael@0	39	protected final FxAccountClient client;
michael@0	40	protected final ProgressDisplay progressDisplay;
michael@0	41
michael@0	42	// Initialized lazily.
michael@0	43	protected byte[] quickStretchedPW;
michael@0	44
michael@0	45	// AsyncTask's are one-time-use, so final members are fine.
michael@0	46	protected final CountDownLatch latch = new CountDownLatch(1);
michael@0	47	protected final InnerRequestDelegate<T> innerDelegate = new InnerRequestDelegate<T>(latch);
michael@0	48
michael@0	49	protected final RequestDelegate<T> delegate;
michael@0	50
michael@0	51	public FxAccountSetupTask(Context context, ProgressDisplay progressDisplay, FxAccountClient client, RequestDelegate<T> delegate) {
michael@0	52	this.context = context;
michael@0	53	this.client = client;
michael@0	54	this.delegate = delegate;
michael@0	55	this.progressDisplay = progressDisplay;
michael@0	56	}
michael@0	57
michael@0	58	@Override
michael@0	59	protected void onPreExecute() {
michael@0	60	if (progressDisplay != null) {
michael@0	61	progressDisplay.showProgress();
michael@0	62	}
michael@0	63	}
michael@0	64
michael@0	65	@Override
michael@0	66	protected void onPostExecute(InnerRequestDelegate<T> result) {
michael@0	67	if (progressDisplay != null) {
michael@0	68	progressDisplay.dismissProgress();
michael@0	69	}
michael@0	70
michael@0	71	// We are on the UI thread, and need to invoke these callbacks here to allow UI updating.
michael@0	72	if (innerDelegate.failure != null) {
michael@0	73	delegate.handleFailure(innerDelegate.failure);
michael@0	74	} else if (innerDelegate.exception != null) {
michael@0	75	delegate.handleError(innerDelegate.exception);
michael@0	76	} else {
michael@0	77	delegate.handleSuccess(result.response);
michael@0	78	}
michael@0	79	}
michael@0	80
michael@0	81	@Override
michael@0	82	protected void onCancelled(InnerRequestDelegate<T> result) {
michael@0	83	if (progressDisplay != null) {
michael@0	84	progressDisplay.dismissProgress();
michael@0	85	}
michael@0	86	delegate.handleError(new IllegalStateException("Task was cancelled."));
michael@0	87	}
michael@0	88
michael@0	89	protected static class InnerRequestDelegate<T> implements RequestDelegate<T> {
michael@0	90	protected final CountDownLatch latch;
michael@0	91	public T response = null;
michael@0	92	public Exception exception = null;
michael@0	93	public FxAccountClientRemoteException failure = null;
michael@0	94
michael@0	95	protected InnerRequestDelegate(CountDownLatch latch) {
michael@0	96	this.latch = latch;
michael@0	97	}
michael@0	98
michael@0	99	@Override
michael@0	100	public void handleError(Exception e) {
michael@0	101	Logger.error(LOG_TAG, "Got exception.");
michael@0	102	this.exception = e;
michael@0	103	latch.countDown();
michael@0	104	}
michael@0	105
michael@0	106	@Override
michael@0	107	public void handleFailure(FxAccountClientRemoteException e) {
michael@0	108	Logger.warn(LOG_TAG, "Got failure.");
michael@0	109	this.failure = e;
michael@0	110	latch.countDown();
michael@0	111	}
michael@0	112
michael@0	113	@Override
michael@0	114	public void handleSuccess(T result) {
michael@0	115	Logger.info(LOG_TAG, "Got success.");
michael@0	116	this.response = result;
michael@0	117	latch.countDown();
michael@0	118	}
michael@0	119	}
michael@0	120
michael@0	121	public static class FxAccountCreateAccountTask extends FxAccountSetupTask<LoginResponse> {
michael@0	122	private static final String LOG_TAG = FxAccountCreateAccountTask.class.getSimpleName();
michael@0	123
michael@0	124	protected final byte[] emailUTF8;
michael@0	125	protected final PasswordStretcher passwordStretcher;
michael@0	126
michael@0	127	public FxAccountCreateAccountTask(Context context, ProgressDisplay progressDisplay, String email, PasswordStretcher passwordStretcher, FxAccountClient client, RequestDelegate<LoginResponse> delegate) throws UnsupportedEncodingException {
michael@0	128	super(context, progressDisplay, client, delegate);
michael@0	129	this.emailUTF8 = email.getBytes("UTF-8");
michael@0	130	this.passwordStretcher = passwordStretcher;
michael@0	131	}
michael@0	132
michael@0	133	@Override
michael@0	134	protected InnerRequestDelegate<LoginResponse> doInBackground(Void... arg0) {
michael@0	135	try {
michael@0	136	client.createAccountAndGetKeys(emailUTF8, passwordStretcher, innerDelegate);
michael@0	137	latch.await();
michael@0	138	return innerDelegate;
michael@0	139	} catch (Exception e) {
michael@0	140	Logger.error(LOG_TAG, "Got exception logging in.", e);
michael@0	141	delegate.handleError(e);
michael@0	142	}
michael@0	143	return null;
michael@0	144	}
michael@0	145	}
michael@0	146
michael@0	147	public static class FxAccountSignInTask extends FxAccountSetupTask<LoginResponse> {
michael@0	148	protected static final String LOG_TAG = FxAccountSignInTask.class.getSimpleName();
michael@0	149
michael@0	150	protected final byte[] emailUTF8;
michael@0	151	protected final PasswordStretcher passwordStretcher;
michael@0	152
michael@0	153	public FxAccountSignInTask(Context context, ProgressDisplay progressDisplay, String email, PasswordStretcher passwordStretcher, FxAccountClient client, RequestDelegate<LoginResponse> delegate) throws UnsupportedEncodingException {
michael@0	154	super(context, progressDisplay, client, delegate);
michael@0	155	this.emailUTF8 = email.getBytes("UTF-8");
michael@0	156	this.passwordStretcher = passwordStretcher;
michael@0	157	}
michael@0	158
michael@0	159	@Override
michael@0	160	protected InnerRequestDelegate<LoginResponse> doInBackground(Void... arg0) {
michael@0	161	try {
michael@0	162	client.loginAndGetKeys(emailUTF8, passwordStretcher, innerDelegate);
michael@0	163	latch.await();
michael@0	164	return innerDelegate;
michael@0	165	} catch (Exception e) {
michael@0	166	Logger.error(LOG_TAG, "Got exception signing in.", e);
michael@0	167	delegate.handleError(e);
michael@0	168	}
michael@0	169	return null;
michael@0	170	}
michael@0	171	}
michael@0	172	}