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

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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 }

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