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ZitadelGrantedAuthoritiesMapper.java
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ZitadelGrantedAuthoritiesMapper.java
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package demo.support.zitadel;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
import org.springframework.security.oauth2.core.oidc.user.OidcUserAuthority;
import java.util.Collection;
import java.util.HashSet;
public class ZitadelGrantedAuthoritiesMapper implements GrantedAuthoritiesMapper {
public static final String ZITADEL_ROLES_CLAIM = "urn:zitadel:iam:org:project:roles";
@Override
public Collection<? extends GrantedAuthority> mapAuthorities(Collection<? extends GrantedAuthority> authorities) {
var mappedAuthorities = new HashSet<GrantedAuthority>();
authorities.forEach(authority -> {
if (authority instanceof SimpleGrantedAuthority) {
mappedAuthorities.add(authority);
}
if (authority instanceof OidcUserAuthority) {
addRolesFromUserInfo(mappedAuthorities, (OidcUserAuthority) authority);
}
});
return mappedAuthorities;
}
private void addRolesFromUserInfo(HashSet<GrantedAuthority> mappedAuthorities, OidcUserAuthority oidcUserAuthority) {
var userInfo = oidcUserAuthority.getUserInfo();
var roleInfo = userInfo.getClaimAsMap(ZITADEL_ROLES_CLAIM);
if (roleInfo == null || roleInfo.isEmpty()) {
return;
}
roleInfo.keySet().forEach(zitadelRoleName -> {
mappedAuthorities.add(new SimpleGrantedAuthority("ROLE_" + zitadelRoleName));
});
}
}