Examples of org.apache.hadoop.security.KerberosName$Rule

org.apache.hadoop.security.KerberosName
An encoding of a rule for translating kerberos names.

            String segment = currTextSegment.toString();
            List<Rule> parentMatches = getMatches().peek();
            int len = parentMatches.size();
            for ( int i = 0; i < len; ++i )
            {
                Rule r = parentMatches.get( i );
                if ( r instanceof TextSegmentHandler )
                {
                    TextSegmentHandler h = (TextSegmentHandler) r;
                    try
                    {

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    {


        @Override
        protected void configure()
        {
            forPattern( "bar" ).addRule( new Rule()
            {


                @Override
                public void body( String namespace, String name, String text )
                    throws Exception

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            Log log = getDigester().getLogger();
            boolean debug = log.isDebugEnabled();
            for ( int i = 0; i < rules.size(); i++ )
            {
                int j = ( rules.size() - i ) - 1;
                Rule rule = rules.get( j );
                if ( debug )
                {
                    log.debug( "  Fire end() for " + rule );
                }
                try
                {
                    rule.end( namespaceURI, name );
                }
                catch ( Exception e )
                {
                    throw getDigester().createSAXException( e );
                }

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    if (id.getUser() == null) {
      throw new InvalidToken("Token with no owner");
    }
    String owner = id.getUser().getUserName();
    Text renewer = id.getRenewer();
    KerberosName cancelerKrbName = new KerberosName(canceller);
    String cancelerShortName = cancelerKrbName.getShortName();
    if (!canceller.equals(owner)
        && (renewer == null || "".equals(renewer.toString()) || !cancelerShortName
            .equals(renewer.toString()))) {
      throw new AccessControlException(canceller
          + " is not authorized to cancel the token");

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  static void obtainTokensForNamenodesInternal(Credentials credentials,
                                               Path [] ps, 
                                               Configuration conf
                                               ) throws IOException {
    // get jobtracker principal id (for the renewer)
    KerberosName jtKrbName = new KerberosName(conf.get(JobTracker.JT_USER_NAME, ""));
    String delegTokenRenewer = jtKrbName.getShortName();
    boolean readFile = true;
    for(Path p: ps) {
      FileSystem fs = FileSystem.get(p.toUri(), conf);
      String fsName = fs.getCanonicalServiceName();
      if (TokenCache.getDelegationToken(credentials, fsName) == null) {

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    if (id.getUser() == null) {
      throw new InvalidToken("Token with no owner");
    }
    String owner = id.getUser().getUserName();
    Text renewer = id.getRenewer();
    KerberosName cancelerKrbName = new KerberosName(canceller);
    String cancelerShortName = cancelerKrbName.getShortName();
    if (!canceller.equals(owner)
        && (renewer == null || "".equals(renewer.toString()) || !cancelerShortName
            .equals(renewer.toString()))) {
      throw new AccessControlException(canceller
          + " is not authorized to cancel the token");

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    }
    // when authorizing use the short name only
    String shortName = clientPrincipal;
    if(clientPrincipal != null ) {
      try {
        shortName = new KerberosName(clientPrincipal).getShortName();
      } catch (IOException e) {
        LOG.warn("couldn't get short name from " + clientPrincipal, e);
        // just keep going
      }
    }

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  static void obtainTokensForNamenodesInternal(Credentials credentials,
                                               Path [] ps, 
                                               Configuration conf
                                               ) throws IOException {
    // get jobtracker principal id (for the renewer)
    KerberosName jtKrbName = new KerberosName(conf.get(JobTracker.JT_USER_NAME, ""));
    String delegTokenRenewer = jtKrbName.getShortName();
    boolean readFile = true;
    for(Path p: ps) {
      FileSystem fs = FileSystem.get(p.toUri(), conf);
      String fsName = fs.getCanonicalServiceName();
      if (TokenCache.getDelegationToken(credentials, fsName) == null) {

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          + name);
    }
    if (name == null) { //name is optional, null is okay
      return;
    }
    KerberosName u = new KerberosName(name);
    String shortName = u.getShortName();
    if (!shortName.equals(expected)) {
      throw new IOException("Usernames not matched: name=" + shortName
          + " != expected=" + expected);
    }
  }

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          + name);
    }
    if (name == null) { //name is optional, null is okay
      return;
    }
    KerberosName u = new KerberosName(name);
    String shortName = u.getShortName();
    if (!shortName.equals(expected)) {
      throw new IOException("Usernames not matched: name=" + shortName
          + " != expected=" + expected);
    }
  }

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