frostfs-http-gw/internal/handler/middleware/util.go

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package middleware
import (
"context"
"fmt"
)
// keyWrapper is wrapper for context keys.
type keyWrapper string
const nsKey = keyWrapper("namespace")
// GetNamespace extract namespace from context.
func GetNamespace(ctx context.Context) (string, error) {
ns, ok := ctx.Value(nsKey).(string)
if !ok {
return "", fmt.Errorf("couldn't get namespace from context")
}
return ns, nil
}
// SetNamespace sets namespace in the context.
func SetNamespace(ctx context.Context, ns string) context.Context {
return context.WithValue(ctx, nsKey, ns)
}