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HBASE-20664 Reduce the broad scope of outToken in ThriftHttpServlet 

Signed-off-by: Andrew Purtell <apurtell@apache.org>
This commit is contained in:
Josh Elser 2018-05-31 13:02:53 -04:00
parent da3ecf1f13
commit 0c42acbdf8
1 changed files with 18 additions and 6 deletions
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24
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift/ThriftHttpServlet.java
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@ -57,7 +57,6 @@ public class ThriftHttpServlet extends TServlet {
private final boolean securityEnabled;
private final boolean doAsEnabled;
private transient ThriftServerRunner.HBaseHandler hbaseHandler;
private String outToken;
// HTTP Header related constants.
public static final String WWW_AUTHENTICATE = "WWW-Authenticate";
@ -83,10 +82,11 @@ public class ThriftHttpServlet extends TServlet {
try {
// As Thrift HTTP transport doesn't support SPNEGO yet (THRIFT-889),
// Kerberos authentication is being done at servlet level.
effectiveUser = doKerberosAuth(request);
final RemoteUserIdentity identity = doKerberosAuth(request);
effectiveUser = identity.principal;
// It is standard for client applications expect this header.
// Please see http://tools.ietf.org/html/rfc4559 for more details.
response.addHeader(WWW_AUTHENTICATE, NEGOTIATE + " " + outToken);
response.addHeader(WWW_AUTHENTICATE, NEGOTIATE + " " + identity.outToken);
} catch (HttpAuthenticationException e) {
LOG.error("Kerberos Authentication failed", e);
// Send a 401 to the client
@ -127,19 +127,31 @@ public class ThriftHttpServlet extends TServlet {
* We already have a logged in subject in the form of serviceUGI,
* which GSS-API will extract information from.
*/
private String doKerberosAuth(HttpServletRequest request)
private RemoteUserIdentity doKerberosAuth(HttpServletRequest request)
throws HttpAuthenticationException {
HttpKerberosServerAction action = new HttpKerberosServerAction(request, realUser);
try {
String principal = realUser.doAs(action);
outToken = action.outToken;
return principal;
return new RemoteUserIdentity(principal, action.outToken);
} catch (Exception e) {
LOG.error("Failed to perform authentication");
throw new HttpAuthenticationException(e);
}
}
/**
* Basic "struct" class to hold the final base64-encoded, authenticated GSSAPI token
* for the user with the given principal talking to the Thrift server.
*/
private static class RemoteUserIdentity {
final String outToken;
final String principal;
RemoteUserIdentity(String principal, String outToken) {
this.principal = principal;
this.outToken = outToken;
}
}
private static class HttpKerberosServerAction implements PrivilegedExceptionAction<String> {
HttpServletRequest request;