private User authenticateRecursive(Host h, String name, String password) {
User u = h.doAuthenticate(name, password);
if (u != null) {
if (log.isTraceEnabled()) {
LogUtils.trace(
log,
"authenticateRecursive: authenticated ok on host: ",
h.getName(),
"user",
name,
password,
"->",
u.getPath());
}
return u;
}
Host hParent = h.getParentHost();
if (hParent == null) {
LogUtils.trace(log, "authenticateRecursive: reached null host for user name: ", name);
return null;
} else {
LogUtils.trace(log, "authenticateRecursive: not found here, delegate to parent host");
return authenticateRecursive(hParent, name, password);
}
}
@Override
public User authenticate(Resource r, String user, String password) {
// log.debug("authenticate: " + user);
if (r instanceof Templatable) {
Templatable resource = (Templatable) r;
NameAndAuthority na = NameAndAuthority.parse(user);
User u = null;
if (na.authority == null) {
Host h = resource.getHost();
LogUtils.trace(log, "authenticate: no authority given, so use current host", h.getName());
u = authenticateRecursive(h, na.name, password);
} else {
Host host = findHost(resource, na.authority);
if (host == null) {
log.warn("authenticate: host not found: " + na.authority);
return null;
} else {
u = host.doAuthenticate(na.name, password);
LogUtils.trace(
log, "authenticate: authenticating on specified host", host.getName(), "result:", u);
}
}
if (u == null) {
log.warn("Authentication failed: " + na.name);
}
return u;
} else {
return (User) r.authenticate(user, password);
}
}