bool Wallet::writeWallet(const QString& newPassphrase) {
EC_KEY* keys = readKeys(keyFilePath());
auto ledger = DependencyManager::get<Ledger>();
// Remove any existing locker, because it will be out of date.
if (!_publicKeys.isEmpty() && !ledger->receiveAt(_publicKeys.first(), _publicKeys.first(), QByteArray())) {
return false; // FIXME: receiveAt could fail asynchronously.
}
if (keys) {
// we read successfully, so now write to a new temp file
QString tempFileName = QString("%1.%2").arg(keyFilePath(), QString("temp"));
QString oldPassphrase = *_passphrase;
if (!newPassphrase.isEmpty()) {
setPassphrase(newPassphrase);
}
if (writeKeys(tempFileName, keys)) {
if (writeSecurityImage(_securityImage, tempFileName)) {
// ok, now move the temp file to the correct spot
QFile(QString(keyFilePath())).remove();
QFile(tempFileName).rename(QString(keyFilePath()));
qCDebug(commerce) << "wallet written successfully";
emit keyFilePathIfExistsResult(getKeyFilePath());
if (!walletIsAuthenticatedWithPassphrase() || !ledger->receiveAt()) {
// FIXME: Should we fail the whole operation?
// Tricky, because we'll need the the key and file from the TEMP location...
qCWarning(commerce) << "Failed to update locker";
}
return true;
} else {
qCDebug(commerce) << "couldn't write security image to temp wallet";
}
} else {
qCDebug(commerce) << "couldn't write keys to temp wallet";
}
// if we are here, we failed, so cleanup
QFile(tempFileName).remove();
if (!newPassphrase.isEmpty()) {
setPassphrase(oldPassphrase);
}
} else {
qCDebug(commerce) << "couldn't read wallet - bad passphrase?";
// TODO: review this, but it seems best to reset the passphrase
// since we couldn't decrypt the existing wallet (or is doesn't
// exist perhaps).
setPassphrase("");
}
return false;
}
bool Wallet::generateKeyPair() {
// FIXME: initialize OpenSSL elsewhere soon
initialize();
qCInfo(commerce) << "Generating keypair.";
auto keyPair = generateECKeypair();
if (!keyPair.first) {
qCWarning(commerce) << "Empty keypair";
return false;
}
writeBackupInstructions();
// TODO: redo this soon -- need error checking and so on
writeSecurityImage(_securityImage, keyFilePath());
QString key = keyPair.first->toBase64();
_publicKeys.push_back(key);
qCDebug(commerce) << "public key:" << key;
_isOverridingServer = false;
// It's arguable whether we want to change the receiveAt every time, but:
// 1. It's certainly needed the first time, when createIfNeeded answers true.
// 2. It is maximally private, and we can step back from that later if desired.
// 3. It maximally exercises all the machinery, so we are most likely to surface issues now.
auto ledger = DependencyManager::get<Ledger>();
return ledger->receiveAt(key, key, getWallet());
}
void Ledger::accountSuccess(QNetworkReply& reply) {
// lets set the appropriate stuff in the wallet now
auto wallet = DependencyManager::get<Wallet>();
QByteArray response = reply.readAll();
QJsonObject data = QJsonDocument::fromJson(response).object()["data"].toObject();
auto salt = QByteArray::fromBase64(data["salt"].toString().toUtf8());
auto iv = QByteArray::fromBase64(data["iv"].toString().toUtf8());
auto ckey = QByteArray::fromBase64(data["ckey"].toString().toUtf8());
QString remotePublicKey = data["public_key"].toString();
bool isOverride = wallet->wasSoftReset();
wallet->setSalt(salt);
wallet->setIv(iv);
wallet->setCKey(ckey);
QString keyStatus = "ok";
QStringList localPublicKeys = wallet->listPublicKeys();
if (remotePublicKey.isEmpty() || isOverride) {
if (!localPublicKeys.isEmpty()) {
QString key = localPublicKeys.first();
receiveAt(key, key);
}
} else {
if (localPublicKeys.isEmpty()) {
keyStatus = "preexisting";
} else if (localPublicKeys.first() != remotePublicKey) {
keyStatus = "conflicting";
}
}
// none of the hfc account info should be emitted
QJsonObject json;
QJsonObject responseData{ { "status", "success"} };
json["keyStatus"] = keyStatus;
responseData["data"] = json;
emit accountResult(responseData);
}
