diff options
Diffstat (limited to 'src/org/apache/http/impl/client/AbstractAuthenticationHandler.java')
| -rw-r--r-- | src/org/apache/http/impl/client/AbstractAuthenticationHandler.java | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/org/apache/http/impl/client/AbstractAuthenticationHandler.java b/src/org/apache/http/impl/client/AbstractAuthenticationHandler.java deleted file mode 100644 index 57699d5..0000000 --- a/src/org/apache/http/impl/client/AbstractAuthenticationHandler.java +++ /dev/null @@ -1,165 +0,0 @@ -/* - * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/client/AbstractAuthenticationHandler.java $ - * $Revision: 673450 $ - * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $ - * - * ==================================================================== - * 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 org.apache.http.impl.client; - -import java.util.Arrays; -import java.util.HashMap; -import java.util.List; -import java.util.Locale; -import java.util.Map; - -import org.apache.commons.logging.Log; -import org.apache.commons.logging.LogFactory; -import org.apache.http.FormattedHeader; -import org.apache.http.Header; -import org.apache.http.HttpResponse; -import org.apache.http.auth.AuthScheme; -import org.apache.http.auth.AuthSchemeRegistry; -import org.apache.http.auth.AuthenticationException; -import org.apache.http.auth.MalformedChallengeException; -import org.apache.http.client.AuthenticationHandler; -import org.apache.http.client.protocol.ClientContext; -import org.apache.http.protocol.HTTP; -import org.apache.http.protocol.HttpContext; -import org.apache.http.util.CharArrayBuffer; - -/** - * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> - */ -public abstract class AbstractAuthenticationHandler implements AuthenticationHandler { - - private final Log log = LogFactory.getLog(getClass()); - - private static final List<String> DEFAULT_SCHEME_PRIORITY = Arrays.asList(new String[] { - "ntlm", - "digest", - "basic" - }); - - public AbstractAuthenticationHandler() { - super(); - } - - protected Map<String, Header> parseChallenges( - final Header[] headers) throws MalformedChallengeException { - - Map<String, Header> map = new HashMap<String, Header>(headers.length); - for (Header header : headers) { - CharArrayBuffer buffer; - int pos; - if (header instanceof FormattedHeader) { - buffer = ((FormattedHeader) header).getBuffer(); - pos = ((FormattedHeader) header).getValuePos(); - } else { - String s = header.getValue(); - if (s == null) { - throw new MalformedChallengeException("Header value is null"); - } - buffer = new CharArrayBuffer(s.length()); - buffer.append(s); - pos = 0; - } - while (pos < buffer.length() && HTTP.isWhitespace(buffer.charAt(pos))) { - pos++; - } - int beginIndex = pos; - while (pos < buffer.length() && !HTTP.isWhitespace(buffer.charAt(pos))) { - pos++; - } - int endIndex = pos; - String s = buffer.substring(beginIndex, endIndex); - map.put(s.toLowerCase(Locale.ENGLISH), header); - } - return map; - } - - protected List<String> getAuthPreferences() { - return DEFAULT_SCHEME_PRIORITY; - } - - public AuthScheme selectScheme( - final Map<String, Header> challenges, - final HttpResponse response, - final HttpContext context) throws AuthenticationException { - - AuthSchemeRegistry registry = (AuthSchemeRegistry) context.getAttribute( - ClientContext.AUTHSCHEME_REGISTRY); - if (registry == null) { - throw new IllegalStateException("AuthScheme registry not set in HTTP context"); - } - - List<?> authPrefs = (List<?>) context.getAttribute( - ClientContext.AUTH_SCHEME_PREF); - if (authPrefs == null) { - authPrefs = getAuthPreferences(); - } - - if (this.log.isDebugEnabled()) { - this.log.debug("Authentication schemes in the order of preference: " - + authPrefs); - } - - AuthScheme authScheme = null; - for (int i = 0; i < authPrefs.size(); i++) { - String id = (String) authPrefs.get(i); - Header challenge = challenges.get(id.toLowerCase(Locale.ENGLISH)); - - if (challenge != null) { - if (this.log.isDebugEnabled()) { - this.log.debug(id + " authentication scheme selected"); - } - try { - authScheme = registry.getAuthScheme(id, response.getParams()); - break; - } catch (IllegalStateException e) { - if (this.log.isWarnEnabled()) { - this.log.warn("Authentication scheme " + id + " not supported"); - // Try again - } - } - } else { - if (this.log.isDebugEnabled()) { - this.log.debug("Challenge for " + id + " authentication scheme not available"); - // Try again - } - } - } - if (authScheme == null) { - // If none selected, something is wrong - throw new AuthenticationException( - "Unable to respond to any of these challenges: " - + challenges); - } - return authScheme; - } - -} |