157 lines
4.3 KiB
C++
157 lines
4.3 KiB
C++
#include <cassert>
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#include <iostream>
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#include <QFile>
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#include <QDebug>
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#include <QVBoxLayout>
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#include <QLabel>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QCryptographicHash>
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#include <openssl/rsa.h>
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#include <openssl/bio.h>
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#include <openssl/pem.h>
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#include "drive_stats.hpp"
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#include "common/params.h"
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#include "common/util.h"
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constexpr double MILE_TO_KM = 1.60934;
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#if defined(QCOM) || defined(QCOM2)
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const std::string private_key_path = "/persist/comma/id_rsa";
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#else
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const std::string private_key_path = util::getenv_default("HOME", "/.comma/persist/comma/id_rsa", "/persist/comma/id_rsa");
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#endif
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QByteArray rsa_sign(QByteArray data) {
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auto file = QFile(private_key_path.c_str());
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bool r = file.open(QIODevice::ReadOnly);
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assert(r);
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auto key = file.readAll();
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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(QString dongle_id, int expiry=3600) {
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QJsonObject header;
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header.insert("alg", "RS256");
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header.insert("typ", "JWT");
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auto t = QDateTime::currentSecsSinceEpoch();
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QJsonObject payload;
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payload.insert("identity", dongle_id);
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payload.insert("nbf", t);
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payload.insert("iat", t);
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payload.insert("exp", t + expiry);
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QString jwt =
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QJsonDocument(header).toJson(QJsonDocument::Compact).toBase64() +
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'.' +
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QJsonDocument(payload).toJson(QJsonDocument::Compact).toBase64();
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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();
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return jwt;
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}
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QLayout *build_stat(QString name, int stat) {
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QVBoxLayout *layout = new QVBoxLayout;
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QLabel *metric = new QLabel(QString("%1").arg(stat));
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metric->setStyleSheet(R"(
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font-size: 72px;
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font-weight: 700;
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)");
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layout->addWidget(metric, 0, Qt::AlignLeft);
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QLabel *label = new QLabel(name);
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label->setStyleSheet(R"(
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font-size: 32px;
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font-weight: 600;
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)");
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layout->addWidget(label, 0, Qt::AlignLeft);
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return layout;
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}
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void DriveStats::replyFinished(QNetworkReply *l) {
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QString answer = l->readAll();
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answer.chop(1);
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QJsonDocument doc = QJsonDocument::fromJson(answer.toUtf8());
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if (doc.isNull()) {
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qDebug() << "JSON Parse failed";
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}
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QString IsMetric = QString::fromStdString(Params().get("IsMetric"));
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bool metric = (IsMetric =="1");
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QJsonObject json = doc.object();
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auto all = json["all"].toObject();
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auto week = json["week"].toObject();
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QGridLayout *gl = new QGridLayout();
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int all_distance = all["distance"].toDouble()*(metric ? MILE_TO_KM : 1);
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gl->addWidget(new QLabel("ALL TIME"), 0, 0, 1, 3);
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gl->addLayout(build_stat("DRIVES", all["routes"].toDouble()), 1, 0, 3, 1);
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gl->addLayout(build_stat(metric ? "KM" : "MILES", all_distance), 1, 1, 3, 1);
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gl->addLayout(build_stat("HOURS", all["minutes"].toDouble() / 60), 1, 2, 3, 1);
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int week_distance = week["distance"].toDouble()*(metric ? MILE_TO_KM : 1);
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gl->addWidget(new QLabel("PAST WEEK"), 6, 0, 1, 3);
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gl->addLayout(build_stat("DRIVES", week["routes"].toDouble()), 7, 0, 3, 1);
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gl->addLayout(build_stat(metric ? "KM" : "MILES", week_distance), 7, 1, 3, 1);
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gl->addLayout(build_stat("HOURS", week["minutes"].toDouble() / 60), 7, 2, 3, 1);
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setLayout(gl);
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setStyleSheet(R"(
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QLabel {
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font-size: 48px;
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font-weight: 600;
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}
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)");
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}
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DriveStats::DriveStats(QWidget *parent) : QWidget(parent) {
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QString dongle_id = QString::fromStdString(Params().get("DongleId"));
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QString token = create_jwt(dongle_id);
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QNetworkAccessManager *manager = new QNetworkAccessManager(this);
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connect(manager, &QNetworkAccessManager::finished, this, &DriveStats::replyFinished);
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QNetworkRequest request;
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request.setUrl(QUrl("https://api.commadotai.com/v1.1/devices/" + dongle_id + "/stats"));
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request.setRawHeader("Authorization", ("JWT "+token).toUtf8());
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manager->get(request);
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}
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