principalctx.go RawHistoryFolder

1// SPDX-License-Identifier: AGPL-3.0-or-later
2
3package domain
4
5import "context"
6
7type principalKey struct{}
8
9// ContextWithPrincipal returns a context that carries p as the identity of the
10// caller. The API adapter sets it after authenticating a request; the web
11// sets it for the calls it makes in process (anonymous, or the owner of a
12// session). Authorization stays in the use cases.
13func ContextWithPrincipal(ctx context.Context, p Principal) context.Context {
14	return context.WithValue(ctx, principalKey{}, p)
15}
16
17// PrincipalFromContext returns the principal ContextWithPrincipal stored.
18// ok is false when the context carries none.
19func PrincipalFromContext(ctx context.Context) (p Principal, ok bool) {
20	p, ok = ctx.Value(principalKey{}).(Principal)
21	return p, ok
22}