7eadfbbb0c
Add GetPlayerID, GetUserID, GetNickname to the sessions package. Remove the inline player-ID-from-session pattern duplicated across every handler in c4game and snakegame, and the local getPlayerID helper in snakegame.
61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
// Package sessions configures the SCS session manager and provides
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// helpers for resolving player identity from the session.
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package sessions
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import (
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"database/sql"
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"log/slog"
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"net/http"
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"time"
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"github.com/ryanhamamura/c4/player"
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"github.com/alexedwards/scs/sqlite3store"
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"github.com/alexedwards/scs/v2"
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)
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// SetupSessionManager creates a configured session manager backed by SQLite.
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// Returns the manager and a cleanup function the caller should defer.
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func SetupSessionManager(db *sql.DB) (*scs.SessionManager, func()) {
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store := sqlite3store.New(db)
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cleanup := func() { store.StopCleanup() }
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sessionManager := scs.New()
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sessionManager.Store = store
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sessionManager.Lifetime = 30 * 24 * time.Hour
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sessionManager.Cookie.Name = "c4_session"
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sessionManager.Cookie.Path = "/"
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sessionManager.Cookie.HttpOnly = true
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sessionManager.Cookie.Secure = true
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sessionManager.Cookie.SameSite = http.SameSiteLaxMode
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slog.Info("session manager configured")
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return sessionManager, cleanup
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}
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// GetPlayerID returns the current player's identity from the session.
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// Authenticated users get their user UUID; guests get a random ID that
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// is generated and persisted on first access.
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func GetPlayerID(sm *scs.SessionManager, r *http.Request) player.ID {
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pid := sm.GetString(r.Context(), "player_id")
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if pid == "" {
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pid = player.GenerateID(8)
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sm.Put(r.Context(), "player_id", pid)
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}
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if userID := sm.GetString(r.Context(), "user_id"); userID != "" {
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return player.ID(userID)
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}
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return player.ID(pid)
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}
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// GetUserID returns the authenticated user's UUID, or empty string for guests.
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func GetUserID(sm *scs.SessionManager, r *http.Request) string {
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return sm.GetString(r.Context(), "user_id")
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}
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// GetNickname returns the player's display name from the session.
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func GetNickname(sm *scs.SessionManager, r *http.Request) string {
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return sm.GetString(r.Context(), "nickname")
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}
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