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);
} 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);
}
if (credentials == null) {
if (LOG.isInfoEnabled()) {
LOG.info("No credentials available for " + authscope);
}
return false;
} else {
return true;
}
}
}
private void authenticateHost(final HttpMethod method) throws AuthenticationException {
// Clean up existing authentication headers
if (!cleanAuthHeaders(method, WWW_AUTH_RESP)) {
// User defined authentication header(s) present
return;
}
AuthState authstate = method.getHostAuthState();
AuthScheme authscheme = authstate.getAuthScheme();
if (authscheme == null) {
return;
}
if (authstate.isAuthRequested() || !authscheme.isConnectionBased()) {
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("Authenticating with " + authscope);
}
Credentials credentials = this.state.getCredentials(authscope);
if (credentials != null) {
String authstring = authscheme.authenticate(credentials, method);
if (authstring != null) {
method.addRequestHeader(new Header(WWW_AUTH_RESP, authstring, true));
}
} else {
if (LOG.isWarnEnabled()) {
LOG.warn("Required credentials not available for " + authscope);
if (method.getHostAuthState().isPreemptive()) {
LOG.warn(
"Preemptive authentication requested but no default " + "credentials available");
}
}
}
}
}
