protected internal virtual CredentialProvider GetCredentialProvider()
{
CredentialProvider provider = null;
IList <CredentialProvider> providers;
try
{
providers = CredentialProviderFactory.GetProviders(this._enclosing.GetConf());
if (this._enclosing.userSuppliedProvider)
{
provider = providers[0];
}
else
{
foreach (CredentialProvider p in providers)
{
if (!p.IsTransient())
{
provider = p;
break;
}
}
}
}
catch (IOException e)
{
Runtime.PrintStackTrace(e, this._enclosing.err);
}
return(provider);
}
/// <exception cref="System.IO.IOException"/>
public static IList <CredentialProvider> GetProviders(Configuration conf)
{
IList <CredentialProvider> result = new AList <CredentialProvider>();
foreach (string path in conf.GetStringCollection(CredentialProviderPath))
{
try
{
URI uri = new URI(path);
bool found = false;
foreach (CredentialProviderFactory factory in serviceLoader)
{
CredentialProvider kp = factory.CreateProvider(uri, conf);
if (kp != null)
{
result.AddItem(kp);
found = true;
break;
}
}
if (!found)
{
throw new IOException("No CredentialProviderFactory for " + uri + " in " + CredentialProviderPath
);
}
}
catch (URISyntaxException error)
{
throw new IOException("Bad configuration of " + CredentialProviderPath + " at " +
path, error);
}
}
return(result);
}
/// <exception cref="System.Exception"/>
public virtual void CheckPermissionRetention(Configuration conf, string ourUrl, Path
path)
{
CredentialProvider provider = CredentialProviderFactory.GetProviders(conf)[0];
// let's add a new credential and flush and check that permissions are still set to 777
char[] cred = new char[32];
for (int i = 0; i < cred.Length; ++i)
{
cred[i] = (char)i;
}
// create a new key
try
{
provider.CreateCredentialEntry("key5", cred);
}
catch (Exception e)
{
Runtime.PrintStackTrace(e);
throw;
}
provider.Flush();
// get a new instance of the provider to ensure it was saved correctly
provider = CredentialProviderFactory.GetProviders(conf)[0];
Assert.AssertArrayEquals(cred, provider.GetCredentialEntry("key5").GetCredential(
));
FileSystem fs = path.GetFileSystem(conf);
FileStatus s = fs.GetFileStatus(path);
Assert.True("Permissions should have been retained from the preexisting "
+ "keystore.", s.GetPermission().ToString().Equals("rwxrwxrwx"));
}
/// <exception cref="System.Exception"/>
internal static void CheckSpecificProvider(Configuration conf, string ourUrl)
{
CredentialProvider provider = CredentialProviderFactory.GetProviders(conf)[0];
char[] passwd = GeneratePassword(16);
// ensure that we get nulls when the key isn't there
Assert.Equal(null, provider.GetCredentialEntry("no-such-key"));
Assert.Equal(null, provider.GetCredentialEntry("key"));
// create a new key
try
{
provider.CreateCredentialEntry("pass", passwd);
}
catch (Exception e)
{
Runtime.PrintStackTrace(e);
throw;
}
// make sure we get back the right key
Assert.AssertArrayEquals(passwd, provider.GetCredentialEntry("pass").GetCredential
());
// try recreating pass
try
{
provider.CreateCredentialEntry("pass", passwd);
Assert.True("should throw", false);
}
catch (IOException e)
{
Assert.Equal("Credential pass already exists in " + ourUrl, e.
Message);
}
provider.DeleteCredentialEntry("pass");
try
{
provider.DeleteCredentialEntry("pass");
Assert.True("should throw", false);
}
catch (IOException e)
{
Assert.Equal("Credential pass does not exist in " + ourUrl, e.
Message);
}
char[] passTwo = new char[] { '1', '2', '3' };
provider.CreateCredentialEntry("pass", passwd);
provider.CreateCredentialEntry("pass2", passTwo);
Assert.AssertArrayEquals(passTwo, provider.GetCredentialEntry("pass2").GetCredential
());
// write them to disk so that configuration.getPassword will find them
provider.Flush();
// configuration.getPassword should get this from provider
Assert.AssertArrayEquals(passTwo, conf.GetPassword("pass2"));
// configuration.getPassword should get this from config
conf.Set("onetwothree", "123");
Assert.AssertArrayEquals(passTwo, conf.GetPassword("onetwothree"));
// configuration.getPassword should NOT get this from config since
// we are disabling the fallback to clear text config
conf.Set(CredentialProvider.ClearTextFallback, "false");
Assert.AssertArrayEquals(null, conf.GetPassword("onetwothree"));
// get a new instance of the provider to ensure it was saved correctly
provider = CredentialProviderFactory.GetProviders(conf)[0];
Assert.True(provider != null);
Assert.AssertArrayEquals(new char[] { '1', '2', '3' }, provider.GetCredentialEntry
("pass2").GetCredential());
Assert.AssertArrayEquals(passwd, provider.GetCredentialEntry("pass").GetCredential
());
IList <string> creds = provider.GetAliases();
Assert.True("Credentials should have been returned.", creds.Count
== 2);
Assert.True("Returned Credentials should have included pass.",
creds.Contains("pass"));
Assert.True("Returned Credentials should have included pass2.",
creds.Contains("pass2"));
}