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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.fxa.login;
import java.security.NoSuchAlgorithmException;
import org.mozilla.gecko.background.fxa.FxAccountClient20.TwoKeys;
import org.mozilla.gecko.background.fxa.FxAccountUtils;
import org.mozilla.gecko.browserid.BrowserIDKeyPair;
import org.mozilla.gecko.fxa.login.FxAccountLoginStateMachine.ExecuteDelegate;
import org.mozilla.gecko.fxa.login.FxAccountLoginTransition.AccountVerified;
import org.mozilla.gecko.fxa.login.FxAccountLoginTransition.LocalError;
import org.mozilla.gecko.fxa.login.FxAccountLoginTransition.LogMessage;
import org.mozilla.gecko.fxa.login.FxAccountLoginTransition.RemoteError;
import org.mozilla.gecko.fxa.login.FxAccountLoginTransition.Transition;
import org.mozilla.gecko.sync.ExtendedJSONObject;
import org.mozilla.gecko.sync.Utils;
public class Engaged extends State {
private static final String LOG_TAG = Engaged.class.getSimpleName();
protected final byte[] sessionToken;
protected final byte[] keyFetchToken;
protected final byte[] unwrapkB;
public Engaged(String email, String uid, boolean verified, byte[] unwrapkB, byte[] sessionToken, byte[] keyFetchToken) {
super(StateLabel.Engaged, email, uid, verified);
Utils.throwIfNull(unwrapkB, sessionToken, keyFetchToken);
this.unwrapkB = unwrapkB;
this.sessionToken = sessionToken;
this.keyFetchToken = keyFetchToken;
}
@Override
public ExtendedJSONObject toJSONObject() {
ExtendedJSONObject o = super.toJSONObject();
// Fields are non-null by constructor.
o.put("unwrapkB", Utils.byte2Hex(unwrapkB));
o.put("sessionToken", Utils.byte2Hex(sessionToken));
o.put("keyFetchToken", Utils.byte2Hex(keyFetchToken));
return o;
}
@Override
public void execute(final ExecuteDelegate delegate) {
BrowserIDKeyPair theKeyPair;
try {
theKeyPair = delegate.generateKeyPair();
} catch (NoSuchAlgorithmException e) {
delegate.handleTransition(new LocalError(e), new Doghouse(email, uid, verified));
return;
}
final BrowserIDKeyPair keyPair = theKeyPair;
delegate.getClient().keys(keyFetchToken, new BaseRequestDelegate<TwoKeys>(this, delegate) {
@Override
public void handleSuccess(TwoKeys result) {
byte[] kB;
try {
kB = FxAccountUtils.unwrapkB(unwrapkB, result.wrapkB);
if (FxAccountUtils.LOG_PERSONAL_INFORMATION) {
FxAccountUtils.pii(LOG_TAG, "Fetched kA: " + Utils.byte2Hex(result.kA));
FxAccountUtils.pii(LOG_TAG, "And wrapkB: " + Utils.byte2Hex(result.wrapkB));
FxAccountUtils.pii(LOG_TAG, "Giving kB : " + Utils.byte2Hex(kB));
}
} catch (Exception e) {
delegate.handleTransition(new RemoteError(e), new Separated(email, uid, verified));
return;
}
Transition transition = verified
? new LogMessage("keys succeeded")
: new AccountVerified();
delegate.handleTransition(transition, new Cohabiting(email, uid, sessionToken, result.kA, kB, keyPair));
}
});
}
@Override
public Action getNeededAction() {
if (!verified) {
return Action.NeedsVerification;
}
return Action.None;
}
public byte[] getSessionToken() {
return sessionToken;
}
}
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