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/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.client.protocol;
import java.util.Queue;
import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
/* LogFactory removed by HttpClient for Android script. */
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.HttpRequest;
import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
import ch.boye.httpclientandroidlib.auth.AuthOption;
import ch.boye.httpclientandroidlib.auth.AuthScheme;
import ch.boye.httpclientandroidlib.auth.AuthState;
import ch.boye.httpclientandroidlib.auth.AuthenticationException;
import ch.boye.httpclientandroidlib.auth.ContextAwareAuthScheme;
import ch.boye.httpclientandroidlib.auth.Credentials;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
import ch.boye.httpclientandroidlib.util.Asserts;
@Deprecated
abstract class RequestAuthenticationBase implements HttpRequestInterceptor {
final HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
public RequestAuthenticationBase() {
super();
}
void process(
final AuthState authState,
final HttpRequest request,
final HttpContext context) {
AuthScheme authScheme = authState.getAuthScheme();
Credentials creds = authState.getCredentials();
switch (authState.getState()) {
case FAILURE:
return;
case SUCCESS:
ensureAuthScheme(authScheme);
if (authScheme.isConnectionBased()) {
return;
}
break;
case CHALLENGED:
final Queue<AuthOption> authOptions = authState.getAuthOptions();
if (authOptions != null) {
while (!authOptions.isEmpty()) {
final AuthOption authOption = authOptions.remove();
authScheme = authOption.getAuthScheme();
creds = authOption.getCredentials();
authState.update(authScheme, creds);
if (this.log.isDebugEnabled()) {
this.log.debug("Generating response to an authentication challenge using "
+ authScheme.getSchemeName() + " scheme");
}
try {
final Header header = authenticate(authScheme, creds, request, context);
request.addHeader(header);
break;
} catch (final AuthenticationException ex) {
if (this.log.isWarnEnabled()) {
this.log.warn(authScheme + " authentication error: " + ex.getMessage());
}
}
}
return;
} else {
ensureAuthScheme(authScheme);
}
}
if (authScheme != null) {
try {
final Header header = authenticate(authScheme, creds, request, context);
request.addHeader(header);
} catch (final AuthenticationException ex) {
if (this.log.isErrorEnabled()) {
this.log.error(authScheme + " authentication error: " + ex.getMessage());
}
}
}
}
private void ensureAuthScheme(final AuthScheme authScheme) {
Asserts.notNull(authScheme, "Auth scheme");
}
private Header authenticate(
final AuthScheme authScheme,
final Credentials creds,
final HttpRequest request,
final HttpContext context) throws AuthenticationException {
Asserts.notNull(authScheme, "Auth scheme");
if (authScheme instanceof ContextAwareAuthScheme) {
return ((ContextAwareAuthScheme) authScheme).authenticate(creds, request, context);
} else {
return authScheme.authenticate(creds, request);
}
}
}
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