/// <exception cref="System.IO.IOException"/>
private string GetTokenOwner <_T0>(Org.Apache.Hadoop.Security.Token.Token <_T0> token
)
where _T0 : TokenIdentifier
{
// webhdfs doesn't register properly with the class loader
Org.Apache.Hadoop.Security.Token.Token <object> clone = new Org.Apache.Hadoop.Security.Token.Token
(token);
clone.SetKind(DelegationTokenIdentifier.HdfsDelegationKind);
return(clone.DecodeIdentifier().GetUser().GetUserName());
}
public virtual void TestReadWriteStorage <T>()
where T : TokenIdentifier
{
// create tokenStorage Object
Credentials ts = new Credentials();
Org.Apache.Hadoop.Security.Token.Token <T> token1 = new Org.Apache.Hadoop.Security.Token.Token
();
Org.Apache.Hadoop.Security.Token.Token <T> token2 = new Org.Apache.Hadoop.Security.Token.Token
();
Text service1 = new Text("service1");
Text service2 = new Text("service2");
ICollection <Text> services = new AList <Text>();
services.AddItem(service1);
services.AddItem(service2);
token1.SetService(service1);
token2.SetService(service2);
ts.AddToken(new Text("sometoken1"), token1);
ts.AddToken(new Text("sometoken2"), token2);
// create keys and put it in
KeyGenerator kg = KeyGenerator.GetInstance(DefaultHmacAlgorithm);
string alias = "alias";
IDictionary <Text, byte[]> m = new Dictionary <Text, byte[]>(10);
for (int i = 0; i < 10; i++)
{
Key key = kg.GenerateKey();
m[new Text(alias + i)] = key.GetEncoded();
ts.AddSecretKey(new Text(alias + i), key.GetEncoded());
}
// create file to store
FilePath tmpFileName = new FilePath(tmpDir, "tokenStorageTest");
DataOutputStream dos = new DataOutputStream(new FileOutputStream(tmpFileName));
ts.Write(dos);
dos.Close();
// open and read it back
DataInputStream dis = new DataInputStream(new FileInputStream(tmpFileName));
ts = new Credentials();
ts.ReadFields(dis);
dis.Close();
// get the tokens and compare the services
ICollection <Org.Apache.Hadoop.Security.Token.Token <TokenIdentifier> > list = ts.GetAllTokens
();
Assert.Equal("getAllTokens should return collection of size 2"
, list.Count, 2);
bool foundFirst = false;
bool foundSecond = false;
foreach (Org.Apache.Hadoop.Security.Token.Token <TokenIdentifier> token in list)
{
if (token.GetService().Equals(service1))
{
foundFirst = true;
}
if (token.GetService().Equals(service2))
{
foundSecond = true;
}
}
Assert.True("Tokens for services service1 and service2 must be present"
, foundFirst && foundSecond);
// compare secret keys
int mapLen = m.Count;
Assert.Equal("wrong number of keys in the Storage", mapLen, ts
.NumberOfSecretKeys());
foreach (Text a in m.Keys)
{
byte[] kTS = ts.GetSecretKey(a);
byte[] kLocal = m[a];
Assert.True("keys don't match for " + a, WritableComparator.CompareBytes
(kTS, 0, kTS.Length, kLocal, 0, kLocal.Length) == 0);
}
tmpFileName.Delete();
}