/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
internal static string GetDelegationToken(NamenodeProtocols nn, HttpServletRequest
request, Configuration conf, UserGroupInformation ugi)
{
Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> token = ugi.DoAs
(new _PrivilegedExceptionAction_39(nn, ugi));
return(token == null ? null : token.EncodeToUrlString());
}
/// <summary>Cancel a Delegation Token.</summary>
/// <param name="nnAddr">the NameNode's address</param>
/// <param name="tok">the token to cancel</param>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.Apache.Hadoop.Security.Authentication.Client.AuthenticationException
/// "/>
public static void CancelDelegationToken(URLConnectionFactory factory, URI nnAddr
, Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> tok)
{
StringBuilder buf = new StringBuilder(nnAddr.ToString()).Append(CancelDelegationTokenServlet
.PathSpec).Append("?").Append(CancelDelegationTokenServlet.Token).Append("=").Append
(tok.EncodeToUrlString());
HttpURLConnection conn = Run(factory, new Uri(buf.ToString()));
conn.Disconnect();
}
public virtual void TestDeserializeHAToken()
{
Configuration conf = DFSTestUtil.NewHAConfiguration(LogicalName);
Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> token = new Org.Apache.Hadoop.Security.Token.Token
<DelegationTokenIdentifier>();
QueryStringDecoder decoder = new QueryStringDecoder(WebHdfsHandler.WebhdfsPrefix
+ "/?" + NamenodeAddressParam.Name + "=" + LogicalName + "&" + DelegationParam.Name
+ "=" + token.EncodeToUrlString());
ParameterParser testParser = new ParameterParser(decoder, conf);
Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> tok2 = testParser
.DelegationToken();
NUnit.Framework.Assert.IsTrue(HAUtil.IsTokenForLogicalUri(tok2));
}
/// <exception cref="System.Exception"/>
public static void TestEncodeWritable()
{
string[] values = new string[] { string.Empty, "a", "bb", "ccc", "dddd", "eeeee",
"ffffff", "ggggggg", "hhhhhhhh", "iiiiiiiii", "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLM"
+ "NOPQRSTUVWXYZ01234567890!@#$%^&*()-=_+[]{}|;':,./<>?" };
Org.Apache.Hadoop.Security.Token.Token <AbstractDelegationTokenIdentifier> orig;
Org.Apache.Hadoop.Security.Token.Token <AbstractDelegationTokenIdentifier> copy =
new Org.Apache.Hadoop.Security.Token.Token <AbstractDelegationTokenIdentifier>();
// ensure that for each string the input and output values match
for (int i = 0; i < values.Length; ++i)
{
string val = values[i];
System.Console.Out.WriteLine("Input = " + val);
orig = new Org.Apache.Hadoop.Security.Token.Token <AbstractDelegationTokenIdentifier
>(Runtime.GetBytesForString(val), Runtime.GetBytesForString(val)
, new Text(val), new Text(val));
string encode = orig.EncodeToUrlString();
copy.DecodeFromUrlString(encode);
Assert.Equal(orig, copy);
CheckUrlSafe(encode);
}
}
/// <summary>Renew a Delegation Token.</summary>
/// <param name="nnAddr">the NameNode's address</param>
/// <param name="tok">the token to renew</param>
/// <returns>the Date that the token will expire next.</returns>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.Apache.Hadoop.Security.Authentication.Client.AuthenticationException
/// "/>
public static long RenewDelegationToken(URLConnectionFactory factory, URI nnAddr,
Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> tok)
{
StringBuilder buf = new StringBuilder(nnAddr.ToString()).Append(RenewDelegationTokenServlet
.PathSpec).Append("?").Append(RenewDelegationTokenServlet.Token).Append("=").Append
(tok.EncodeToUrlString());
HttpURLConnection connection = null;
BufferedReader @in = null;
try
{
connection = Run(factory, new Uri(buf.ToString()));
@in = new BufferedReader(new InputStreamReader(connection.GetInputStream(), Charsets
.Utf8));
long result = long.Parse(@in.ReadLine());
return(result);
}
catch (IOException ie)
{
Log.Info("error in renew over HTTP", ie);
IOException e = GetExceptionFromResponse(connection);
if (e != null)
{
Log.Info("rethrowing exception from HTTP request: " + e.GetLocalizedMessage());
throw e;
}
throw;
}
finally
{
IOUtils.Cleanup(Log, @in);
if (connection != null)
{
connection.Disconnect();
}
}
}
/// <exception cref="System.IO.IOException"/>
private static IDictionary DelegationTokenToJSON(Org.Apache.Hadoop.Security.Token.Token
token)
{
IDictionary json = new LinkedHashMap();
json[KerberosDelegationTokenAuthenticator.DelegationTokenUrlStringJson] = token.EncodeToUrlString
();
IDictionary response = new LinkedHashMap();
response[KerberosDelegationTokenAuthenticator.DelegationTokenJson] = json;
return(response);
}
