src/club/wpia/gigi/ping/DNSPinger.java

   1 package club.wpia.gigi.ping;
   2
   3 import java.util.Arrays;
   4 import java.util.List;
   5
   6 import javax.naming.NamingException;
   7
   8 import club.wpia.gigi.dbObjects.CertificateOwner;
   9 import club.wpia.gigi.dbObjects.Domain;
  10 import club.wpia.gigi.dbObjects.DomainPingConfiguration;
  11 import club.wpia.gigi.dbObjects.DomainPingExecution;
  12 import club.wpia.gigi.util.DNSUtil;
  13 import club.wpia.gigi.util.SystemKeywords;
  14
  15 public class DNSPinger extends DomainPinger {
  16
  17     @Override
  18     public DomainPingExecution ping(Domain domain, String expToken, CertificateOwner u, DomainPingConfiguration conf) {
  19         String[] tokenParts = expToken.split(":", 2);
  20         List<String> nameservers;
  21         try {
  22             nameservers = Arrays.asList(DNSUtil.getNSNames(domain.getSuffix()));
  23         } catch (NamingException e) {
  24             return enterPingResult(conf, "error", "No authorative nameserver found.", null);
  25         }
  26         StringBuffer result = new StringBuffer();
  27         result.append("failed: ");
  28         boolean failed = nameservers.isEmpty();
  29         nameservers:
  30         for (String NS : nameservers) {
  31             boolean found = false;
  32             try {
  33                 for (String token : DNSUtil.getTXTEntries(tokenParts[0] + "." + SystemKeywords.DNS_PREFIX + "._auth." + domain.getSuffix(), NS)) {
  34                     if (token.isEmpty()) {
  35                         continue;
  36                     }
  37                     found = true;
  38                     if (token.equals(tokenParts[1])) {
  39                         continue nameservers;
  40                     }
  41                 }
  42             } catch (NamingException e) {
  43                 found = false;
  44             }
  45             result.append(NS);
  46             if (found) {
  47                 result.append(" DIFFER;");
  48             } else {
  49                 result.append(" EMPTY;");
  50             }
  51             failed = true;
  52
  53         }
  54         if ( !failed) {
  55             return enterPingResult(conf, PING_SUCCEDED, "", null);
  56         } else {
  57             return enterPingResult(conf, "error", result.toString(), null);
  58         }
  59     }
  60 }