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feat(auth): support alphanumeric UIDs

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Allows using alphanumeric strings up to 16 characters as UID. Makes it
less clunky to use, since the game suggests alphanumeric one by default.
This commit is contained in:
xeon
2026-02-03 21:35:33 +03:00
parent 277d5f5573
commit 3b20a381fa
5 changed files with 60 additions and 31 deletions
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11
gamesv/src/Session.zig
View File

@@ -107,17 +107,20 @@ pub fn process(
error.Canceled => |e| return e,
};
const player = fs.persistence.loadPlayer(io, gpa, assets, result.uid) catch |err| switch (err) {
const player = fs.persistence.loadPlayer(io, gpa, assets, result.uid.view()) catch |err| switch (err) {
error.Canceled => |e| return e,
else => |e| {
log.err("failed to load data for player with uid {d}: {t}, disconnecting", .{ result.uid, e });
log.err(
"failed to load data for player with uid {s}: {t}, disconnecting",
.{ result.uid.view(), e },
);
return;
},
};
log.info(
"client from '{f}' has successfully logged into account with uid: {d}",
.{ stream.socket.address, result.uid },
"client from '{f}' has successfully logged into account with uid: {s}",
.{ stream.socket.address, result.uid.view() },
);
world = logic.World.init(&session, assets, result.uid, player, gpa, io);

24
gamesv/src/Session/auth.zig
View File

@@ -1,6 +1,8 @@
const std = @import("std");
const pb = @import("proto").pb;
const mem = @import("common").mem;
const Session = @import("../Session.zig");
const PlayerId = @import("../logic.zig").World.PlayerId;
const Io = std.Io;
const Allocator = std.mem.Allocator;
@@ -10,14 +12,30 @@ const log = std.log.scoped(.auth);
pub const Error = error{LoginFailed} || Session.SendError || Allocator.Error || Io.Cancelable;
pub const Result = struct {
uid: u64, // It's a string in SC_LOGIN tho
uid: mem.LimitedString(PlayerId.max_length),
pub const FromUidSliceError = error{
TooLongString,
InvalidCharacters,
};
pub fn fromUidSlice(slice: []const u8) FromUidSliceError!Result {
const result: Result = .{ .uid = try .init(slice) };
for (slice) |c| if (!std.ascii.isAlphanumeric(c)) {
return error.InvalidCharacters;
};
return result;
}
};
pub fn processLoginRequest(io: Io, session: *Session, request: *const pb.CS_LOGIN) Error!Result {
log.info("login request received: {any}", .{request});
const uid = std.fmt.parseInt(u64, request.uid, 10) catch
const result = Result.fromUidSlice(request.uid) catch |err| {
log.err("invalid UID received: {t}", .{err});
return error.LoginFailed;
};
try session.send(pb.SC_LOGIN{
.uid = request.uid,
@@ -25,5 +43,5 @@ pub fn processLoginRequest(io: Io, session: *Session, request: *const pb.CS_LOGI
.server_time_zone = 3,
});
return .{ .uid = uid };
return result;
}

41
gamesv/src/fs/persistence.zig
View File

@@ -6,6 +6,7 @@ const Assets = @import("../Assets.zig");
const Io = std.Io;
const Allocator = std.mem.Allocator;
const Player = logic.Player;
const PlayerId = logic.World.PlayerId;
const player_data_dir = "store/player/";
const base_component_file = "base_data";
@@ -35,10 +36,12 @@ const LoadPlayerError = error{
const log = std.log.scoped(.persistence);
// Opens or creates data directory for the player with specified uid.
pub fn openPlayerDataDir(io: Io, uid: u64) !Io.Dir {
var dir_path_buf: [player_data_dir.len + 20]u8 = undefined;
const dir_path = std.fmt.bufPrint(&dir_path_buf, player_data_dir ++ "{d}", .{uid}) catch
unreachable; // Since we're printing a u64, it shouldn't exceed the buffer.
pub fn openPlayerDataDir(io: Io, uid: []const u8) !Io.Dir {
std.debug.assert(uid.len <= PlayerId.max_length);
var dir_path_buf: [player_data_dir.len + PlayerId.max_length]u8 = undefined;
const dir_path = std.fmt.bufPrint(&dir_path_buf, player_data_dir ++ "{s}", .{uid}) catch
unreachable;
const cwd: Io.Dir = .cwd();
return cwd.openDir(io, dir_path, .{}) catch |open_err| switch (open_err) {
@@ -53,7 +56,7 @@ pub fn openPlayerDataDir(io: Io, uid: u64) !Io.Dir {
// Loads player data. Creates components that do not exist.
// Resets component to default if its data is corrupted.
pub fn loadPlayer(io: Io, gpa: Allocator, assets: *const Assets, uid: u64) !Player {
pub fn loadPlayer(io: Io, gpa: Allocator, assets: *const Assets, uid: []const u8) !Player {
const data_dir = try openPlayerDataDir(io, uid);
defer data_dir.close(io);
@@ -88,20 +91,20 @@ pub fn loadPlayer(io: Io, gpa: Allocator, assets: *const Assets, uid: u64) !Play
fn loadBaseComponent(
io: Io,
data_dir: Io.Dir,
uid: u64,
uid: []const u8,
) !Player.Base {
return fs.loadStruct(Player.Base, io, data_dir, base_component_file) catch |err| switch (err) {
inline error.FileNotFound, error.ChecksumMismatch, error.ReprSizeMismatch => |e| reset: {
if (e == error.ChecksumMismatch) {
log.err(
"checksum mismatched for base_data of player {d}, resetting to defaults.",
"checksum mismatched for base_data of player {s}, resetting to defaults.",
.{uid},
);
}
if (e == error.ReprSizeMismatch) {
log.err(
"struct layout mismatched for base_data of player {d}, resetting to defaults.",
"struct layout mismatched for base_data of player {s}, resetting to defaults.",
.{uid},
);
}
@@ -116,7 +119,7 @@ fn loadBaseComponent(
};
}
fn loadGameVarsComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: u64) !Player.GameVars {
fn loadGameVarsComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: []const u8) !Player.GameVars {
var game_vars: Player.GameVars = undefined;
game_vars.server_vars = try loadArray(
@@ -146,7 +149,7 @@ fn loadGameVarsComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: u64) !Pl
return game_vars;
}
fn loadUnlockComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: u64) !Player.Unlock {
fn loadUnlockComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: []const u8) !Player.Unlock {
var unlock: Player.Unlock = undefined;
unlock.unlocked_systems = try loadArray(
@@ -164,7 +167,7 @@ fn loadUnlockComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: u64) !Play
return unlock;
}
fn loadCharBagComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: u64) !Player.CharBag {
fn loadCharBagComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: []const u8) !Player.CharBag {
const char_bag_dir = data_dir.openDir(io, char_bag_path, .{}) catch |err| switch (err) {
error.FileNotFound => return error.NeedsReset,
error.Canceled => |e| return e,
@@ -195,14 +198,14 @@ fn loadCharBagComponent(io: Io, gpa: Allocator, data_dir: Io.Dir, uid: u64) !Pla
inline error.FileNotFound, error.ChecksumMismatch, error.ReprSizeMismatch => |e| reset: {
if (e == error.ChecksumMismatch) {
log.err(
"checksum mismatched for char bag metadata of player {d}, resetting to defaults.",
"checksum mismatched for char bag metadata of player {s}, resetting to defaults.",
.{uid},
);
}
if (e == error.ReprSizeMismatch) {
log.err(
"struct layout mismatched for char bag metadata of player {d}, resetting to defaults.",
"struct layout mismatched for char bag metadata of player {s}, resetting to defaults.",
.{uid},
);
}
@@ -398,19 +401,19 @@ pub fn saveCharBagComponent(
}
}
fn loadBitsetComponent(io: Io, data_dir: Io.Dir, uid: u64) !Player.Bitset {
fn loadBitsetComponent(io: Io, data_dir: Io.Dir, uid: []const u8) !Player.Bitset {
return fs.loadStruct(Player.Bitset, io, data_dir, bitset_file) catch |err| switch (err) {
inline error.FileNotFound, error.ChecksumMismatch, error.ReprSizeMismatch => |e| {
if (e == error.ChecksumMismatch) {
log.err(
"checksum mismatched for bitset of player {d}, resetting to defaults.",
"checksum mismatched for bitset of player {s}, resetting to defaults.",
.{uid},
);
}
if (e == error.ReprSizeMismatch) {
log.err(
"struct layout mismatched for bitset of player {d}, resetting to defaults.",
"struct layout mismatched for bitset of player {s}, resetting to defaults.",
.{uid},
);
}
@@ -448,7 +451,7 @@ fn loadArray(
io: Io,
gpa: Allocator,
data_dir: Io.Dir,
uid: u64,
uid: []const u8,
sub_path: []const u8,
defaults: []const T,
) ![]T {
@@ -456,14 +459,14 @@ fn loadArray(
inline error.FileNotFound, error.ChecksumMismatch, error.ReprSizeMismatch => |e| reset: {
if (e == error.ChecksumMismatch) {
log.err(
"checksum mismatched for '{s}' of player {d}, resetting to defaults.",
"checksum mismatched for '{s}' of player {s}, resetting to defaults.",
.{ sub_path, uid },
);
}
if (e == error.ReprSizeMismatch) {
log.err(
"struct layout mismatched for '{s}' of player {d}, resetting to defaults.",
"struct layout mismatched for '{s}' of player {s}, resetting to defaults.",
.{ sub_path, uid },
);
}

9
gamesv/src/logic/World.zig
View File

@@ -1,6 +1,7 @@
// Describes player-local state of the world.
const World = @This();
const std = @import("std");
const mem = @import("common").mem;
const logic = @import("../logic.zig");
const Session = @import("../Session.zig");
const Assets = @import("../Assets.zig");
@@ -8,7 +9,11 @@ const Assets = @import("../Assets.zig");
const Io = std.Io;
const Allocator = std.mem.Allocator;
pub const PlayerId = struct { uid: u64 };
pub const PlayerId = struct {
pub const max_length: usize = 16;
uid: mem.LimitedString(max_length),
};
player_id: PlayerId,
session: *Session, // TODO: should it be here this way? Do we need an abstraction?
@@ -18,7 +23,7 @@ player: logic.Player,
pub fn init(
session: *Session,
assets: *const Assets,
uid: u64,
uid: mem.LimitedString(PlayerId.max_length),
player: logic.Player,
gpa: Allocator,
io: Io,

6
gamesv/src/logic/systems/player_saves.zig
View File

@@ -15,12 +15,12 @@ pub fn saveCharBagTeams(
player_id: logic.World.PlayerId,
io: Io,
) !void {
const data_dir = fs.persistence.openPlayerDataDir(io, player_id.uid) catch |err| switch (err) {
const data_dir = fs.persistence.openPlayerDataDir(io, player_id.uid.view()) catch |err| switch (err) {
error.Canceled => |e| return e,
else => |e| {
log.err(
"failed to open data dir for player with uid {d}: {t}",
.{ player_id.uid, e },
"failed to open data dir for player with uid {s}: {t}",
.{ player_id.uid.view(), e },
);
return;
},