}
private boolean processWWWAuthChallenge(final HttpMethod method)
throws MalformedChallengeException, AuthenticationException
{
AuthState authstate = method.getHostAuthState();
Map challenges = AuthChallengeParser.parseChallenges(
method.getResponseHeaders(WWW_AUTH_CHALLENGE));
if (challenges.isEmpty()) {
LOG.debug("Authentication challenge(s) not found");
return false;
}
AuthScheme authscheme = null;
try {
authscheme = this.authProcessor.processChallenge(authstate, challenges);
if (authscheme instanceof ClaimsAuthScheme) {
authscheme = ((ClaimsAuthScheme)authscheme).innerAuthScheme;
}
} catch (AuthChallengeException e) {
if (LOG.isWarnEnabled()) {
LOG.warn(e.getMessage());
}
}
if (authscheme == null) {
return false;
}
String host = method.getParams().getVirtualHost();
if (host == null) {
host = conn.getHost();
}
int port = conn.getPort();
AuthScope authscope = new AuthScope(
host, port,
authscheme.getRealm(),
authscheme.getSchemeName());
if (LOG.isDebugEnabled()) {
LOG.debug("Authentication scope: " + authscope);
}
if (authstate.isAuthAttempted() && authscheme.isComplete()) {
// Already tried and failed
Credentials credentials = promptForCredentials(
authscheme, method.getParams(), authscope);
if (credentials == null) {
if (LOG.isInfoEnabled()) {
LOG.info("Failure authenticating with " + authscope);
}
return false;
} else {
return true;
}
} else {
authstate.setAuthAttempted(true);
Credentials credentials = this.state.getCredentials(authscope);
if (credentials == null) {
credentials = promptForCredentials(
authscheme, method.getParams(), authscope);
}