@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String clientUserName = null;
String clientIpAddress;
boolean requireNewCookie = false;
try {
if (hiveConf.getBoolean(ConfVars.HIVE_SERVER2_XSRF_FILTER_ENABLED.varname, false)) {
boolean continueProcessing = Utils.doXsrfFilter(request, response, null, null);
if (!continueProcessing) {
LOG.warn("Request did not have valid XSRF header, rejecting.");
return;
}
}
// If the cookie based authentication is already enabled, parse the
// request and validate the request cookies.
if (isCookieAuthEnabled) {
clientUserName = validateCookie(request);
requireNewCookie = (clientUserName == null);
if (requireNewCookie) {
LOG.info("Could not validate cookie sent, will try to generate a new cookie");
}
}
// If the cookie based authentication is not enabled or the request does
// not have a valid cookie, use the kerberos or password based authentication
// depending on the server setup.
if (clientUserName == null) {
// For a kerberos setup
if (isKerberosAuthMode(authType)) {
String delegationToken = request.getHeader(HIVE_DELEGATION_TOKEN_HEADER);
// Each http request must have an Authorization header
if ((delegationToken != null) && (!delegationToken.isEmpty())) {
clientUserName = doTokenAuth(request, response);
} else {
clientUserName = doKerberosAuth(request);
}
}
// For password based authentication
else {
clientUserName = doPasswdAuth(request, authType);
}
}
LOG.debug("Client username: "******"Client IP Address: " + clientIpAddress);
// Set the thread local ip address
SessionManager.setIpAddress(clientIpAddress);
// get forwarded hosts address
String forwarded_for = request.getHeader(X_FORWARDED_FOR);
if (forwarded_for != null) {
LOG.debug("{}:{}", X_FORWARDED_FOR, forwarded_for);
List<String> forwardedAddresses = Arrays.asList(forwarded_for.split(","));
SessionManager.setForwardedAddresses(forwardedAddresses);
} else {
SessionManager.setForwardedAddresses(Collections.<String>emptyList());
}
// Generate new cookie and add it to the response
if (requireNewCookie
&& !authType.equalsIgnoreCase(HiveAuthFactory.AuthTypes.NOSASL.toString())) {
String cookieToken = HttpAuthUtils.createCookieToken(clientUserName);
Cookie hs2Cookie = createCookie(signer.signCookie(cookieToken));
if (isHttpOnlyCookie) {
response.setHeader("SET-COOKIE", getHttpOnlyCookieHeader(hs2Cookie));
} else {
response.addCookie(hs2Cookie);
}
LOG.info("Cookie added for clientUserName " + clientUserName);
}
super.doPost(request, response);
} catch (HttpAuthenticationException e) {
LOG.error("Error: ", e);
// Send a 401 to the client
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
if (isKerberosAuthMode(authType)) {
response.addHeader(HttpAuthUtils.WWW_AUTHENTICATE, HttpAuthUtils.NEGOTIATE);
}
response.getWriter().println("Authentication Error: " + e.getMessage());
} finally {
// Clear the thread locals
SessionManager.clearUserName();
SessionManager.clearIpAddress();
SessionManager.clearProxyUserName();
SessionManager.clearForwardedAddresses();
}
}
