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