public FormValidation doServerCheck(
@QueryParameter final String server,
@QueryParameter final String managerDN,
@QueryParameter final String managerPassword) {
if (!Jenkins.getInstance().hasPermission(Jenkins.ADMINISTER)) return FormValidation.ok();
try {
Hashtable<String, String> props = new Hashtable<String, String>();
if (managerDN != null && managerDN.trim().length() > 0 && !"undefined".equals(managerDN)) {
props.put(Context.SECURITY_PRINCIPAL, managerDN);
}
if (managerPassword != null
&& managerPassword.trim().length() > 0
&& !"undefined".equals(managerPassword)) {
props.put(Context.SECURITY_CREDENTIALS, managerPassword);
}
props.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
props.put(Context.PROVIDER_URL, toProviderUrl(server, ""));
DirContext ctx = new InitialDirContext(props);
ctx.getAttributes("");
return FormValidation.ok(); // connected
} catch (NamingException e) {
// trouble-shoot
Matcher m =
Pattern.compile(
"(ldaps?://)?([^:]+)(?:\\:(\\d+))?(\\s+(ldaps?://)?([^:]+)(?:\\:(\\d+))?)*")
.matcher(server.trim());
if (!m.matches())
return FormValidation.error(
hudson.security.Messages.LDAPSecurityRealm_SyntaxOfServerField());
try {
InetAddress adrs = InetAddress.getByName(m.group(2));
int port = m.group(1) != null ? 636 : 389;
if (m.group(3) != null) port = Integer.parseInt(m.group(3));
Socket s = new Socket(adrs, port);
s.close();
} catch (UnknownHostException x) {
return FormValidation.error(
hudson.security.Messages.LDAPSecurityRealm_UnknownHost(x.getMessage()));
} catch (IOException x) {
return FormValidation.error(
x,
hudson.security.Messages.LDAPSecurityRealm_UnableToConnect(server, x.getMessage()));
}
// otherwise we don't know what caused it, so fall back to the general error report
// getMessage() alone doesn't offer enough
return FormValidation.error(
e, hudson.security.Messages.LDAPSecurityRealm_UnableToConnect(server, e));
} catch (NumberFormatException x) {
// The getLdapCtxInstance method throws this if it fails to parse the port number
return FormValidation.error(hudson.security.Messages.LDAPSecurityRealm_InvalidPortNumber());
}
}
