feat: add server whitelist

CHANGELOG.md

@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - M2 attack for bow
 - Hotbar persistence.
 - Alpha version Disclaimer
+- Server whitelist
 
 ### Changed
 
@@ -40,7 +41,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Gliding is now a toggle that can be triggered from the ground
 - Replaced `log` with `tracing` in all crates
 
-
 ### Removed
 
 - Wield requirement to swap loadout; fixes issue with unable swap loadout outside of combat.
@@ -118,7 +118,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added dungeon bosses and rare boss loot
 - Added 2 sets of armour. One Steel and one Leather.
 
-
 ### Changed
 
 - The /give_item command can now specify the amount of items. Syntax is now `/give_item <name> [num]`

assets/voxygen/i18n/en.ron

@@ -138,6 +138,7 @@ https://account.veloren.net."#,
         "main.login.failed_sending_request": "Request to Auth server failed",
         "main.login.invalid_character": "The selected character is invalid",
         "main.login.client_crashed": "Client crashed",
+        "main.login.not_on_whitelist": "You are not on the whitelist. Contact Server Owner if you want to join.",
 
         /// End Main screen section
 

client/src/error.rs

@@ -8,6 +8,7 @@ pub enum Error {
     ServerTimeout,
     ServerShutdown,
     TooManyPlayers,
+    NotOnWhitelist,
     AlreadyLoggedIn,
     AuthErr(String),
     AuthClientError(AuthClientError),

client/src/lib.rs

@@ -233,6 +233,7 @@ impl Client {
                         RegisterError::AlreadyLoggedIn => Error::AlreadyLoggedIn,
                         RegisterError::AuthError(err) => Error::AuthErr(err),
                         RegisterError::InvalidCharacter => Error::InvalidCharacter,
+                        RegisterError::NotOnWhitelist => Error::NotOnWhitelist,
                     });
                 },
                 ServerMsg::StateAnswer(Ok(ClientState::Registered)) => break Ok(()),

common/src/msg/server.rs

@@ -101,6 +101,7 @@ pub enum RegisterError {
     AlreadyLoggedIn,
     AuthError(String),
     InvalidCharacter,
+    NotOnWhitelist,
     //TODO: InvalidAlias,
 }
 

server/src/auth_provider.rs

@@ -18,10 +18,11 @@ fn derive_uuid(username: &str) -> Uuid {
 pub struct AuthProvider {
     accounts: HashMap<Uuid, String>,
     auth_server: Option<AuthClient>,
+    whitelist: Vec<String>,
 }
 
 impl AuthProvider {
-    pub fn new(auth_addr: Option<String>) -> Self {
+    pub fn new(auth_addr: Option<String>, whitelist: Vec<String>) -> Self {
         let auth_server = match auth_addr {
             Some(addr) => Some(AuthClient::new(addr)),
             None => None,
@@ -30,6 +31,7 @@ impl AuthProvider {
         AuthProvider {
             accounts: HashMap::new(),
             auth_server,
+            whitelist,
         }
     }
 
@@ -55,8 +57,13 @@ impl AuthProvider {
                 if self.accounts.contains_key(&uuid) {
                     return Err(RegisterError::AlreadyLoggedIn);
                 }
-                // Log in
                 let username = srv.uuid_to_username(uuid)?;
+                // Check if player is in whitelist
+                if self.whitelist.len() > 0 && !self.whitelist.contains(&username) {
+                    return Err(RegisterError::NotOnWhitelist);
+                }
+
+                // Log in
                 self.accounts.insert(uuid, username.clone());
                 Ok((username, uuid))
             },

server/src/lib.rs

@@ -93,9 +93,10 @@ impl Server {
     pub fn new(settings: ServerSettings) -> Result<Self, Error> {
         let mut state = State::default();
         state.ecs_mut().insert(EventBus::<ServerEvent>::default());
-        state
-            .ecs_mut()
-            .insert(AuthProvider::new(settings.auth_server_address.clone()));
+        state.ecs_mut().insert(AuthProvider::new(
+            settings.auth_server_address.clone(),
+            settings.whitelist.clone(),
+        ));
         state.ecs_mut().insert(Tick(0));
         state.ecs_mut().insert(ChunkGenerator::new());
         state

server/src/settings.rs

@@ -19,6 +19,7 @@ pub struct ServerSettings {
     pub server_description: String,
     pub start_time: f64,
     pub admins: Vec<String>,
+    pub whitelist: Vec<String>,
     /// When set to None, loads the default map file (if available); otherwise,
     /// uses the value of the file options to decide how to proceed.
     pub map_file: Option<FileOpts>,
@@ -58,6 +59,7 @@ impl Default for ServerSettings {
             .iter()
             .map(|n| n.to_string())
             .collect(),
+            whitelist: Vec::new(),
             persistence_db_dir: "saves".to_owned(),
         }
     }

voxygen/src/menu/main/mod.rs

@@ -106,6 +106,9 @@ impl PlayState for MainMenuState {
                                 client::Error::AlreadyLoggedIn => {
                                     localized_strings.get("main.login.already_logged_in").into()
                                 },
+                                client::Error::NotOnWhitelist => {
+                                    localized_strings.get("main.login.not_on_whitelist").into()
+                                },
                                 client::Error::Network(e) => format!(
                                     "{}: {:?}",
                                     localized_strings.get("main.login.network_error"),