maps: allow using MAPBOX_TOKEN env variable (#22721)

selfdrive/ui/qt/maps/map.h

@@ -27,7 +27,8 @@
 #include "selfdrive/common/util.h"
 #include "cereal/messaging/messaging.h"
 
-const QString MAPS_HOST = util::getenv("MAPS_HOST", "https://maps.comma.ai").c_str();
+const QString MAPBOX_TOKEN = util::getenv("MAPBOX_TOKEN").c_str();
+const QString MAPS_HOST = util::getenv("MAPS_HOST", MAPBOX_TOKEN.isEmpty() ? "https://maps.comma.ai" : "https://api.mapbox.com").c_str();
 
 class MapInstructions : public QWidget {
   Q_OBJECT

selfdrive/ui/qt/onroad.cc

@@ -79,11 +79,11 @@ void OnroadWindow::mousePressEvent(QMouseEvent* e) {
 void OnroadWindow::offroadTransition(bool offroad) {
 #ifdef ENABLE_MAPS
   if (!offroad) {
-    if (map == nullptr && QUIState::ui_state.has_prime) {
+    if (map == nullptr && (QUIState::ui_state.has_prime || !MAPBOX_TOKEN.isEmpty())) {
       QMapboxGLSettings settings;
 
       // Valid for 4 weeks since we can't swap tokens on the fly
-      QString token = CommaApi::create_jwt({}, 4 * 7 * 24 * 3600);
+      QString token = MAPBOX_TOKEN.isEmpty() ? CommaApi::create_jwt({}, 4 * 7 * 24 * 3600) : MAPBOX_TOKEN;
 
       if (!Hardware::PC()) {
         settings.setCacheDatabasePath("/data/mbgl-cache.db");