Add API endpoint for retrieving config.json (without any secure access details)

rc_core/src/persist/config/cubes_json.rs

@@ -610,4 +610,19 @@ impl <C: Clone + Send> super::ConfigProvider<C> for CubeConfig {
             team_deathmatch: self.battle.games.team_deathmatch.team_chooser.clone(),
         }
     }
+
+    fn redacted_json(&self) -> String {
+        use super::RedactedClone;
+        let redacted_self = Self {
+            cubes: self.cubes.clone(),
+            movement: self.movement.clone(),
+            lerp_value: self.lerp_value,
+            battle: self.battle.clone(),
+            chat: self.chat.clone(),
+            factory: self.factory.redacted_clone(),
+            shop: self.shop.clone(),
+            settings: self.settings.redacted_clone(),
+        };
+        serde_json::to_string(&redacted_self).expect("Failed to re-serialize config.json")
+    }
 }

rc_core/src/persist/config/mod.rs

@@ -3,6 +3,7 @@ pub use cubes_json::CubeConfig;
 
 mod traits;
 pub use traits::{ConfigProvider, DevMessageProvider, ServerConfig, GarageUpgrades, GarageUpgradeIncrement, ChatSystemConfig, GameEventSequence, GameEvents, GameRotationStrategy, GameEvent, GameMap, GameVisibility, GameType, SingleplayerConfig, VehicleInfo, VehicleDescriptor, QueueChangeMode, Point, Sphere, MapConfig, LinksConfig, FakePlayer, ClientEmulator, EnergyConfig, BattleArenaResolver, PitSettings, PitWinCondition, TeamDeathMatchSettings, ShopEntriesResolver, ShopAction, ShopGain, PromoCode, MultiplayerSettings, BattleArenaCrystalParams, VehicleValidators, TeamChoosers, FactoryConfig, PlatformConfig};
+pub(super) use traits::RedactedClone;
 
 mod validation;
 pub use validation::{SelfValidator, ValidationInfo, ValidationMessage};

rc_core/src/persist/config/traits.rs

@@ -45,6 +45,7 @@ pub trait ConfigProvider<C: Clone> {
     fn vehicle_validation(&self) -> VehicleValidators;
     fn garage_slot_limit(&self) -> i32;
     fn team_choosers(&self) -> TeamChoosers;
+    fn redacted_json(&self) -> String;
 }
 
 pub struct DevMessageProvider<C: Clone> {
@@ -573,3 +574,7 @@ pub struct PlatformConfig {
     pub enable_analytics: bool,
     pub enable_standard_units: bool,
 }
+
+pub trait RedactedClone {
+    fn redacted_clone(&self) -> Self;
+}