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Code Issues Releases Wiki Activity

Enable NTLM on Proxy-Authenticate return code with only NTLM available

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git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@934 3d1905a2-6b24-0410-a738-b14d5a86fcbd
This commit is contained in:
mguessan 2010-02-01 22:52:36 +00:00
parent 6c1fd3f958
commit f88bd875e6
3 changed files with 37 additions and 13 deletions
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6
src/java/davmail/exchange/ExchangeSession.java
View File

@ -227,8 +227,10 @@ public class ExchangeSession {
method = formLogin(httpClient, method, userName, password);
}
// avoid 401 roundtrips
httpClient.getParams().setParameter(HttpClientParams.PREEMPTIVE_AUTHENTICATION, true);
// avoid 401 roundtrips, only if NTLM is disabled
if (!DavGatewayHttpClientFacade.hasNTLM(httpClient)) {
httpClient.getParams().setParameter(HttpClientParams.PREEMPTIVE_AUTHENTICATION, true);
}
buildMailPath(method);

13
src/java/davmail/exchange/ExchangeSessionFactory.java
View File

@ -20,16 +20,16 @@ package davmail.exchange;
import davmail.BundleMessage;
import davmail.Settings;
import davmail.exception.DavMailException;
import davmail.exception.DavMailAuthenticationException;
import davmail.exception.DavMailException;
import davmail.http.DavGatewayHttpClientFacade;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.GetMethod;
import java.io.IOException;
import java.net.*;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
@ -124,6 +124,8 @@ public final class ExchangeSessionFactory {
throw exc;
} catch (DavMailException exc) {
throw exc;
} catch (IllegalStateException exc) {
throw exc;
} catch (Exception exc) {
handleNetworkDown(exc);
}
@ -172,12 +174,11 @@ public final class ExchangeSessionFactory {
public static void checkConfig() throws IOException {
String url = Settings.getProperty("davmail.url");
HttpClient httpClient = DavGatewayHttpClientFacade.getInstance();
HttpMethod testMethod = new GetMethod(url);
GetMethod testMethod = new GetMethod(url);
try {
// get webMail root url (will not follow redirects)
testMethod.setFollowRedirects(false);
testMethod.setDoAuthentication(false);
int status = httpClient.executeMethod(testMethod);
int status = DavGatewayHttpClientFacade.executeGetMethod(httpClient, testMethod, false);
ExchangeSession.LOGGER.debug("Test configuration status: " + status);
if (status != HttpStatus.SC_OK && status != HttpStatus.SC_UNAUTHORIZED
&& status != HttpStatus.SC_MOVED_TEMPORARILY && status != HttpStatus.SC_MOVED_PERMANENTLY) {

31
src/java/davmail/http/DavGatewayHttpClientFacade.java
View File

@ -363,7 +363,12 @@ public final class DavGatewayHttpClientFacade {
return status;
}
private static boolean hasNTLM(HttpClient httpClient) {
/**
* Test if NTLM auth scheme is enabled.
* @param httpClient HttpClient instance
* @return true if NTLM is enabled
*/
public static boolean hasNTLM(HttpClient httpClient) {
Object authPrefs = httpClient.getParams().getParameter(AuthPolicy.AUTH_SCHEME_PRIORITY);
return authPrefs instanceof List<?> && ((Collection) authPrefs).contains(AuthPolicy.NTLM);
}
@ -376,6 +381,19 @@ public final class DavGatewayHttpClientFacade {
httpClient.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);
}
private static boolean acceptsNTLMOnly(GetMethod getMethod) {
Header authenticateHeader = null;
if (getMethod.getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
authenticateHeader = getMethod.getResponseHeader("Authenticate");
} else if (getMethod.getStatusCode() == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
authenticateHeader = getMethod.getResponseHeader("Proxy-Authenticate");
}
// check authenticate header
return (authenticateHeader != null)
&& (authenticateHeader.getElements().length == 1)
&& ("NTLM".equals(authenticateHeader.getElements()[0].getName()));
}
/**
* Execute Get method, do not follow redirects.
*
@ -383,18 +401,20 @@ public final class DavGatewayHttpClientFacade {
* @param method Http method
* @param followRedirects Follow redirects flag
* @throws IOException on error
* @return Http status
*/
public static void executeGetMethod(HttpClient httpClient, GetMethod method, boolean followRedirects) throws IOException {
public static int executeGetMethod(HttpClient httpClient, GetMethod method, boolean followRedirects) throws IOException {
// do not follow redirects in expired sessions
method.setFollowRedirects(followRedirects);
int status = httpClient.executeMethod(method);
if (status == HttpStatus.SC_UNAUTHORIZED && !hasNTLM(httpClient)) {
if ((status == HttpStatus.SC_UNAUTHORIZED || status == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED)
&& acceptsNTLMOnly(method) && !hasNTLM(httpClient)) {
method.releaseConnection();
LOGGER.debug("Received unauthorized at " + method.getURI() + ", retrying with NTLM");
LOGGER.debug("Received "+status+" unauthorized at " + method.getURI() + ", retrying with NTLM");
addNTLM(httpClient);
status = httpClient.executeMethod(method);
}
if (status != HttpStatus.SC_OK) {
if (status != HttpStatus.SC_OK && (followRedirects || !isRedirect(status))) {
LOGGER.warn("GET failed with status " + status + " at " + method.getURI() + ": " + method.getResponseBodyAsString());
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
@ -407,6 +427,7 @@ public final class DavGatewayHttpClientFacade {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
}
return status;
}
private static void checkExpiredSession(String queryString) throws DavMailAuthenticationException {