Files
tdesktop/Telegram/SourceFiles/data/data_passkey_deserialize.cpp

122 lines
3.2 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "data/data_passkey_deserialize.h"
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
namespace Data::Passkey {
namespace {
[[nodiscard]] std::string SerializeClientData(
const QByteArray &challenge,
const QString &type) {
auto obj = QJsonObject();
obj["type"] = type;
obj["challenge"] = QString::fromUtf8(
challenge.toBase64(QByteArray::Base64UrlEncoding
| QByteArray::OmitTrailingEquals));
obj["origin"] = "https://telegram.org";
obj["crossOrigin"] = false;
return QJsonDocument(obj).toJson(QJsonDocument::Compact).toStdString();
}
} // namespace
std::optional<RegisterData> DeserializeRegisterData(
const QByteArray &jsonData) {
auto doc = QJsonDocument::fromJson(jsonData);
if (!doc.isObject()) {
return std::nullopt;
}
auto root = doc.object();
auto publicKey = root["publicKey"].toObject();
if (publicKey.isEmpty()) {
return std::nullopt;
}
auto data = RegisterData();
auto rp = publicKey["rp"].toObject();
data.rp.id = rp["id"].toString();
data.rp.name = rp["name"].toString();
auto user = publicKey["user"].toObject();
data.user.id = QByteArray::fromBase64(
user["id"].toString().toUtf8());
data.user.name = user["name"].toString();
data.user.displayName = user["displayName"].toString();
data.challenge = QByteArray::fromBase64(
publicKey["challenge"].toString().toUtf8(),
QByteArray::Base64UrlEncoding);
auto params = publicKey["pubKeyCredParams"].toArray();
for (const auto &param : params) {
auto obj = param.toObject();
CredentialParameter cp;
cp.type = obj["type"].toString();
cp.alg = obj["alg"].toInt();
data.pubKeyCredParams.push_back(cp);
}
data.timeout = publicKey["timeout"].toInt(60000);
return data;
}
std::string SerializeClientDataCreate(const QByteArray &challenge) {
return SerializeClientData(challenge, "webauthn.create");
}
std::string SerializeClientDataGet(const QByteArray &challenge) {
return SerializeClientData(challenge, "webauthn.get");
}
std::optional<LoginData> DeserializeLoginData(
const QByteArray &jsonData) {
auto doc = QJsonDocument::fromJson(jsonData);
if (!doc.isObject()) {
return std::nullopt;
}
auto root = doc.object();
auto publicKey = root["publicKey"].toObject();
if (publicKey.isEmpty()) {
return std::nullopt;
}
auto data = LoginData();
data.challenge = QByteArray::fromBase64(
publicKey["challenge"].toString().toUtf8(),
QByteArray::Base64UrlEncoding);
data.rpId = publicKey["rpId"].toString();
data.timeout = publicKey["timeout"].toInt(60000);
data.userVerification = publicKey["userVerification"].toString();
if (publicKey.contains("allowCredentials")) {
auto allowList = publicKey["allowCredentials"].toArray();
for (const auto &cred : allowList) {
auto credObj = cred.toObject();
Credential credential;
credential.id = QByteArray::fromBase64(
credObj["id"].toString().toUtf8(),
QByteArray::Base64UrlEncoding);
credential.type = credObj["type"].toString();
data.allowCredentials.push_back(credential);
}
}
return data;
}
} // namespace Data::Passkey