in src/main/java/org/apache/sling/jcr/repoinit/impl/AclUtil.java [212:233]
private static Principal getPrincipal(SessionContext context, String name, boolean ignoreMissingPrincipal)
throws RepositoryException {
Principal principal = context.getPrincipal(name);
if (principal == null) {
// backwards compatibility: fallback to original code treating principal name as authorizable ID (see
// SLING-8604)
final Authorizable authorizable = UserUtil.getAuthorizable(context.getSession(), name);
if (!ignoreMissingPrincipal) {
checkState(authorizable != null, "Authorizable not found: {0}", name);
principal = authorizable.getPrincipal();
} else {
if (authorizable != null) {
principal = authorizable.getPrincipal();
}
if (principal == null) {
principal = () -> name;
}
}
}
checkState(principal != null, PRINCIPAL_NOT_FOUND_PATTERN, name);
return principal;
}