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https://github.com/moparisthebest/davmail
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httpclient patch for iis proxy compatibility
(use basic instead of ntlm auth) git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@4 3d1905a2-6b24-0410-a738-b14d5a86fcbd
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// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
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// Jad home page: http://kpdus.tripod.com/jad.html
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// Decompiler options: packimports(3)
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// Source File Name: HttpAuthenticator.java
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package org.apache.commons.httpclient.auth;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.commons.httpclient.*;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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// Referenced classes of package org.apache.commons.httpclient.auth:
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// NTLMScheme, DigestScheme, BasicScheme, AuthenticationException,
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// MalformedChallengeException, AuthChallengeParser, AuthScheme
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public final class HttpAuthenticator {
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public HttpAuthenticator() {
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}
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public static AuthScheme selectAuthScheme(Header challenges[])
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throws MalformedChallengeException {
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LOG.trace("enter HttpAuthenticator.selectAuthScheme(Header[])");
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if (challenges == null)
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throw new IllegalArgumentException("Array of challenges may not be null");
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if (challenges.length == 0)
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throw new IllegalArgumentException("Array of challenges may not be empty");
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String challenge = null;
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Map challengemap = new HashMap(challenges.length);
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for (int i = 0; i < challenges.length; i++) {
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challenge = challenges[i].getValue();
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String s = AuthChallengeParser.extractScheme(challenge);
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challengemap.put(s, challenge);
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}
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challenge = (String) challengemap.get("digest");
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if (challenge != null)
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return new DigestScheme(challenge);
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challenge = (String) challengemap.get("basic");
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if (challenge != null)
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return new BasicScheme(challenge);
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// patch ntlm last priority
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challenge = (String) challengemap.get("ntlm");
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if (challenge != null)
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return new NTLMScheme(challenge);
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else
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throw new UnsupportedOperationException("Authentication scheme(s) not supported: " + challengemap.toString());
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}
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private static boolean doAuthenticateDefault(HttpMethod method, HttpConnection conn, HttpState state, boolean proxy)
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throws AuthenticationException {
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if (method == null)
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throw new IllegalArgumentException("HTTP method may not be null");
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if (state == null)
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throw new IllegalArgumentException("HTTP state may not be null");
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String host = null;
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if (conn != null)
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host = proxy ? conn.getProxyHost() : conn.getHost();
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org.apache.commons.httpclient.Credentials credentials = proxy ? state.getProxyCredentials(null, host) : state.getCredentials(null, host);
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if (credentials == null) {
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if (LOG.isWarnEnabled())
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LOG.warn("Default credentials for " + host + " not available");
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return false;
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}
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if (!(credentials instanceof UsernamePasswordCredentials))
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throw new AuthenticationException("Credentials cannot be used for basic authentication: " + credentials.toString());
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String auth = BasicScheme.authenticate((UsernamePasswordCredentials) credentials);
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if (auth != null) {
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String s = proxy ? "Proxy-Authorization" : "Authorization";
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method.setRequestHeader(s, auth);
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return true;
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} else {
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return false;
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}
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}
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public static boolean authenticateDefault(HttpMethod method, HttpConnection conn, HttpState state)
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throws AuthenticationException {
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LOG.trace("enter HttpAuthenticator.authenticateDefault(HttpMethod, HttpConnection, HttpState)");
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return doAuthenticateDefault(method, conn, state, false);
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}
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public static boolean authenticateProxyDefault(HttpMethod method, HttpConnection conn, HttpState state)
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throws AuthenticationException {
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LOG.trace("enter HttpAuthenticator.authenticateProxyDefault(HttpMethod, HttpState)");
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return doAuthenticateDefault(method, conn, state, true);
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}
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private static boolean doAuthenticate(AuthScheme authscheme, HttpMethod method, HttpConnection conn, HttpState state, boolean proxy)
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throws AuthenticationException {
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if (authscheme == null)
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throw new IllegalArgumentException("Authentication scheme may not be null");
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if (method == null)
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throw new IllegalArgumentException("HTTP method may not be null");
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if (state == null)
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throw new IllegalArgumentException("HTTP state may not be null");
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String host = null;
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if (conn != null)
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if (proxy) {
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host = conn.getProxyHost();
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} else {
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host = conn.getVirtualHost();
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if (host == null)
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host = conn.getHost();
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}
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String realm = authscheme.getRealm();
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if (LOG.isDebugEnabled()) {
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StringBuffer buffer = new StringBuffer();
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buffer.append("Authenticating with the ");
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if (realm == null) {
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buffer.append("default");
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} else {
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buffer.append('\'');
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buffer.append(realm);
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buffer.append('\'');
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}
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buffer.append(" authentication realm at ");
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buffer.append(host);
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LOG.debug(buffer.toString());
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}
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if (realm == null)
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realm = host;
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org.apache.commons.httpclient.Credentials credentials = proxy ? state.getProxyCredentials(realm, host) : state.getCredentials(realm, host);
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if (credentials == null)
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throw new AuthenticationException("No credentials available for the '" + authscheme.getRealm() + "' authentication realm at " + host);
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String auth = authscheme.authenticate(credentials, method.getName(), method.getPath());
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if (auth != null) {
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String s = proxy ? "Proxy-Authorization" : "Authorization";
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method.setRequestHeader(s, auth);
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return true;
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} else {
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return false;
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}
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}
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public static boolean authenticate(AuthScheme authscheme, HttpMethod method, HttpConnection conn, HttpState state)
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throws AuthenticationException {
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LOG.trace("enter HttpAuthenticator.authenticate(AuthScheme, HttpMethod, HttpConnection, HttpState)");
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return doAuthenticate(authscheme, method, conn, state, false);
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}
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public static boolean authenticateProxy(AuthScheme authscheme, HttpMethod method, HttpConnection conn, HttpState state)
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throws AuthenticationException {
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LOG.trace("enter HttpAuthenticator.authenticateProxy(AuthScheme, HttpMethod, HttpState)");
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return doAuthenticate(authscheme, method, conn, state, true);
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}
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static Class _mthclass$(String x0) {
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try {
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return Class.forName(x0);
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}
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catch (ClassNotFoundException x1) {
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throw new NoClassDefFoundError(x1.getMessage());
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}
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}
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private static final Log LOG;
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public static final String WWW_AUTH = "WWW-Authenticate";
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public static final String WWW_AUTH_RESP = "Authorization";
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public static final String PROXY_AUTH = "Proxy-Authenticate";
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public static final String PROXY_AUTH_RESP = "Proxy-Authorization";
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static {
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LOG = LogFactory.getLog(org.apache.commons.httpclient.auth.HttpAuthenticator.class);
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}
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}
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