rbac system first stage

pkg/contexts/keys.go

@@ -1,6 +1,12 @@
+// Package contexts provides utilities for loading and extracting structs from contexts
 package contexts
 
-import "context"
+import (
+	"context"
+
+	"git.haelnorr.com/h/oslstats/internal/permissions"
+	"git.haelnorr.com/h/oslstats/internal/roles"
+)
 
 type Key string
 
@@ -8,7 +14,10 @@ func (c Key) String() string {
 	return "oslstats context key " + string(c)
 }
 
-var DevModeKey Key = Key("devmode")
+var (
+	DevModeKey         Key = Key("devmode")
+	PermissionCacheKey Key = Key("permissions")
+)
 
 func DevMode(ctx context.Context) DevInfo {
 	devmode, ok := ctx.Value(DevModeKey).(DevInfo)
@@ -22,3 +31,18 @@ type DevInfo struct {
 	WebsocketBase string
 	HTMXLog       bool
 }
+
+// Permissions retrieves the permission cache from context (type-safe)
+func Permissions(ctx context.Context) *PermissionCache {
+	cache, ok := ctx.Value(PermissionCacheKey).(*PermissionCache)
+	if !ok {
+		return nil
+	}
+	return cache
+}
+
+type PermissionCache struct {
+	Permissions map[permissions.Permission]bool
+	Roles       map[roles.Role]bool
+	HasWildcard bool
+}