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123 lines
3.9 KiB
123 lines
3.9 KiB
#include "selfdrive/ui/qt/api.h"
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#include <openssl/bio.h>
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#include <openssl/pem.h>
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#include <openssl/rsa.h>
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#include <QCryptographicHash>
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#include <QDateTime>
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#include <QDebug>
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#include <QFile>
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#include <QJsonDocument>
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#include <QNetworkRequest>
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#include "selfdrive/common/params.h"
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#include "selfdrive/common/util.h"
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#include "selfdrive/hardware/hw.h"
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namespace CommaApi {
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const std::string private_key_path =
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Hardware::PC() ? util::getenv_default("HOME", "/.comma/persist/comma/id_rsa", "/persist/comma/id_rsa")
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: "/persist/comma/id_rsa";
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QByteArray rsa_sign(const QByteArray &data) {
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auto file = QFile(private_key_path.c_str());
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if (!file.open(QIODevice::ReadOnly)) {
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qDebug() << "No RSA private key found, please run manager.py or registration.py";
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return QByteArray();
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}
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auto key = file.readAll();
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file.close();
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file.deleteLater();
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BIO* mem = BIO_new_mem_buf(key.data(), key.size());
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assert(mem);
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RSA* rsa_private = PEM_read_bio_RSAPrivateKey(mem, NULL, NULL, NULL);
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assert(rsa_private);
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auto sig = QByteArray();
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sig.resize(RSA_size(rsa_private));
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unsigned int sig_len;
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int ret = RSA_sign(NID_sha256, (unsigned char*)data.data(), data.size(), (unsigned char*)sig.data(), &sig_len, rsa_private);
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assert(ret == 1);
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assert(sig_len == sig.size());
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BIO_free(mem);
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RSA_free(rsa_private);
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return sig;
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}
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QString create_jwt(const QJsonObject &payloads, int expiry) {
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QJsonObject header = {{"alg", "RS256"}};
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QString dongle_id = QString::fromStdString(Params().get("DongleId"));
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auto t = QDateTime::currentSecsSinceEpoch();
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QJsonObject payload = {{"identity", dongle_id}, {"nbf", t}, {"iat", t}, {"exp", t + expiry}};
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for (auto it = payloads.begin(); it != payloads.end(); ++it) {
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payload.insert(it.key(), it.value());
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}
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auto b64_opts = QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals;
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QString jwt = QJsonDocument(header).toJson(QJsonDocument::Compact).toBase64(b64_opts) + '.' +
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QJsonDocument(payload).toJson(QJsonDocument::Compact).toBase64(b64_opts);
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auto hash = QCryptographicHash::hash(jwt.toUtf8(), QCryptographicHash::Sha256);
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auto sig = rsa_sign(hash);
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jwt += '.' + sig.toBase64(b64_opts);
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return jwt;
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}
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} // namespace CommaApi
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HttpRequest::HttpRequest(QObject *parent, const QString &requestURL, bool create_jwt_) : create_jwt(create_jwt_), QObject(parent) {
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networkAccessManager = new QNetworkAccessManager(this);
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reply = NULL;
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networkTimer = new QTimer(this);
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networkTimer->setSingleShot(true);
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networkTimer->setInterval(20000);
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connect(networkTimer, &QTimer::timeout, this, &HttpRequest::requestTimeout);
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sendRequest(requestURL);
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}
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void HttpRequest::sendRequest(const QString &requestURL) {
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QString token;
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if(create_jwt) {
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token = CommaApi::create_jwt();
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} else {
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QString token_json = QString::fromStdString(util::read_file(util::getenv_default("HOME", "/.comma/auth.json", "/.comma/auth.json")));
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QJsonDocument json_d = QJsonDocument::fromJson(token_json.toUtf8());
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token = json_d["access_token"].toString();
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}
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QNetworkRequest request;
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request.setUrl(QUrl(requestURL));
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request.setRawHeader(QByteArray("Authorization"), ("JWT " + token).toUtf8());
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reply = networkAccessManager->get(request);
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networkTimer->start();
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connect(reply, &QNetworkReply::finished, this, &HttpRequest::requestFinished);
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}
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void HttpRequest::requestTimeout() {
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reply->abort();
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}
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// This function should always emit something
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void HttpRequest::requestFinished() {
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if (reply->error() != QNetworkReply::OperationCanceledError) {
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networkTimer->stop();
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QString response = reply->readAll();
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if (reply->error() == QNetworkReply::NoError) {
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emit receivedResponse(response);
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} else {
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qDebug() << reply->errorString();
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emit failedResponse(reply->errorString());
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}
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} else {
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emit timeoutResponse("timeout");
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}
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reply->deleteLater();
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reply = NULL;
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}
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