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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HTTPCLIENT-1242) Preemptive authentication using AuthCache stopped working
Date Thu, 04 Oct 2012 11:57:08 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Oleg Kalnichevski resolved HTTPCLIENT-1242.
-------------------------------------------

    Resolution: Duplicate

Duplicate of HTTPCLIENT-1215
                
> Preemptive authentication using AuthCache stopped working
> ---------------------------------------------------------
>
>                 Key: HTTPCLIENT-1242
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1242
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>    Affects Versions: 4.2 Final, 4.2.1
>         Environment: JDK 1.6
>            Reporter: Moshe Elisha
>
> Running the following example with httpclient and httpcore 4.1.1 works fine.
> When using httpclient 4.2.1 + httpcore 4.2.2 or httpclient 4.2 + httpcore 4.2, I get
"401 Unauthorized".
> The test source code
> package test;
> import org.apache.http.HttpEntity;
> import org.apache.http.HttpHost;
> import org.apache.http.HttpResponse;
> import org.apache.http.auth.AuthScope;
> import org.apache.http.auth.UsernamePasswordCredentials;
> import org.apache.http.client.AuthCache;
> import org.apache.http.client.methods.HttpGet;
> import org.apache.http.client.protocol.ClientContext;
> import org.apache.http.impl.auth.BasicScheme;
> import org.apache.http.impl.client.BasicAuthCache;
> import org.apache.http.impl.client.DefaultHttpClient;
> import org.apache.http.protocol.BasicHttpContext;
> import org.apache.http.util.EntityUtils;
> public class ClientPreemptiveBasicAuthentication {
>     public static void main(String[] args) throws Exception {
>         HttpHost targetHost = new HttpHost("api.heroku.com", -1, "https");
>         DefaultHttpClient httpclient = new DefaultHttpClient();
>         try {
>             httpclient.getCredentialsProvider().setCredentials(
>                     new AuthScope(targetHost.getHostName(), targetHost.getPort()),
>                     new UsernamePasswordCredentials("username", "password"));
>             // Create AuthCache instance
>             AuthCache authCache = new BasicAuthCache();
>             // Generate BASIC scheme object and add it to the local
>             // auth cache
>             BasicScheme basicAuth = new BasicScheme();
>             authCache.put(targetHost, basicAuth);
>             // Add AuthCache to the execution context
>             BasicHttpContext localcontext = new BasicHttpContext();
>             localcontext.setAttribute(ClientContext.AUTH_CACHE, authCache);
>             HttpGet httpget = new HttpGet("/vendor/apps/");
>             System.out.println("executing request: " + httpget.getRequestLine());
>             System.out.println("to target: " + targetHost);
>             HttpResponse response = httpclient.execute(targetHost, httpget, localcontext);
>             HttpEntity entity = response.getEntity();
>             System.out.println("----------------------------------------");
>             System.out.println(response.getStatusLine());
>             if (entity != null) {
>                 System.out.println("Response content length: " + entity.getContentLength());
>             }
>             EntityUtils.consume(entity);
>         } finally {
>             // When HttpClient instance is no longer needed,
>             // shut down the connection manager to ensure
>             // immediate deallocation of all system resources
>             httpclient.getConnectionManager().shutdown();
>         }
>     }
> }
> Working 4.1.1 TRACE output:
> executing request: GET /vendor/apps/ HTTP/1.1
> to target: https://api.heroku.com
> 2012-10-04 09:31:31,888 DEBUG [main] SingleClientConnManager:212 - Get connection for
route HttpRoute[{s}->https://api.heroku.com]
> 2012-10-04 09:31:32,846 DEBUG [main] DefaultClientConnectionOperator:145 - Connecting
to api.heroku.com/50.16.204.172:443
> 2012-10-04 09:31:33,760 DEBUG [main] RequestAddCookies:132 - CookieSpec selected: best-match
> 2012-10-04 09:31:33,774 DEBUG [main] RequestAuthCache:112 - Re-using cached 'basic' auth
scheme for https://api.heroku.com
> 2012-10-04 09:31:33,938 DEBUG [main] DefaultHttpClient:631 - Attempt 1 to execute request
> 2012-10-04 09:31:33,939 DEBUG [main] DefaultClientConnection:264 - Sending request: GET
/vendor/apps/ HTTP/1.1
> 2012-10-04 09:31:33,939 DEBUG [main] wire:63 - >> "GET /vendor/apps/ HTTP/1.1[\r][\n]"
> 2012-10-04 09:31:33,940 DEBUG [main] wire:63 - >> "Host: api.heroku.com[\r][\n]"
> 2012-10-04 09:31:33,940 DEBUG [main] wire:63 - >> "Connection: Keep-Alive[\r][\n]"
> 2012-10-04 09:31:33,940 DEBUG [main] wire:63 - >> "User-Agent: Apache-HttpClient/4.1.1
(java 1.5)[\r][\n]"
> 2012-10-04 09:31:33,940 DEBUG [main] wire:63 - >> "Authorization: Basic XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX[\r][\n]"
> 2012-10-04 09:31:33,940 DEBUG [main] wire:63 - >> "[\r][\n]"
> 2012-10-04 09:31:33,940 DEBUG [main] headers:268 - >> GET /vendor/apps/ HTTP/1.1
> 2012-10-04 09:31:33,940 DEBUG [main] headers:271 - >> Host: api.heroku.com
> 2012-10-04 09:31:33,940 DEBUG [main] headers:271 - >> Connection: Keep-Alive
> 2012-10-04 09:31:33,940 DEBUG [main] headers:271 - >> User-Agent: Apache-HttpClient/4.1.1
(java 1.5)
> 2012-10-04 09:31:33,942 DEBUG [main] headers:271 - >> Authorization: Basic XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
> 2012-10-04 09:31:38,545 DEBUG [main] wire:63 - << "HTTP/1.1 200 OK[\r][\n]"
> 2012-10-04 09:31:38,548 DEBUG [main] wire:63 - << "Cache-Control: private, max-age=0,
must-revalidate[\r][\n]"
> 2012-10-04 09:31:38,548 DEBUG [main] wire:63 - << "Content-Type: application/json;
charset=utf-8[\r][\n]"
> 2012-10-04 09:31:38,549 DEBUG [main] wire:63 - << "Date: Thu, 04 Oct 2012 07:32:24
GMT[\r][\n]"
> 2012-10-04 09:31:38,549 DEBUG [main] wire:63 - << "ETag: "dbfbf824d9c6565b3e0d663411d5c710"[\r][\n]"
> 2012-10-04 09:31:38,549 DEBUG [main] wire:63 - << "Server: nginx/1.2.3[\r][\n]"
> 2012-10-04 09:31:38,550 DEBUG [main] wire:63 - << "Status: 200 OK[\r][\n]"
> 2012-10-04 09:31:38,550 DEBUG [main] wire:63 - << "Strict-Transport-Security: max-age=500[\r][\n]"
> 2012-10-04 09:31:38,550 DEBUG [main] wire:63 - << "X-Runtime: 3726[\r][\n]"
> 2012-10-04 09:31:38,550 DEBUG [main] wire:63 - << "Content-Length: 100953[\r][\n]"
> 2012-10-04 09:31:38,550 DEBUG [main] wire:63 - << "Connection: keep-alive[\r][\n]"
> 2012-10-04 09:31:38,551 DEBUG [main] wire:63 - << "[\r][\n]"
> 2012-10-04 09:31:38,551 DEBUG [main] DefaultClientConnection:249 - Receiving response:
HTTP/1.1 200 OK
> 2012-10-04 09:31:38,551 DEBUG [main] headers:252 - << HTTP/1.1 200 OK
> 2012-10-04 09:31:38,552 DEBUG [main] headers:255 - << Cache-Control: private, max-age=0,
must-revalidate
> 2012-10-04 09:31:38,552 DEBUG [main] headers:255 - << Content-Type: application/json;
charset=utf-8
> 2012-10-04 09:31:38,552 DEBUG [main] headers:255 - << Date: Thu, 04 Oct 2012 07:32:24
GMT
> 2012-10-04 09:31:38,552 DEBUG [main] headers:255 - << ETag: "dbfbf824d9c6565b3e0d663411d5c710"
> 2012-10-04 09:31:38,552 DEBUG [main] headers:255 - << Server: nginx/1.2.3
> 2012-10-04 09:31:38,552 DEBUG [main] headers:255 - << Status: 200 OK
> 2012-10-04 09:31:38,553 DEBUG [main] headers:255 - << Strict-Transport-Security:
max-age=500
> 2012-10-04 09:31:38,553 DEBUG [main] headers:255 - << X-Runtime: 3726
> 2012-10-04 09:31:38,553 DEBUG [main] headers:255 - << Content-Length: 100953
> 2012-10-04 09:31:38,553 DEBUG [main] headers:255 - << Connection: keep-alive
> 2012-10-04 09:31:38,561 DEBUG [main] DefaultHttpClient:477 - Connection can be kept alive
indefinitely
> ----------------------------------------
> HTTP/1.1 200 OK
> Response content length: 100953
> Non-working httpclient 4.2.1 + httpcore 4.2.2 TRACE output:
> executing request: GET /vendor/apps/ HTTP/1.1
> to target: https://api.heroku.com
> 2012-10-04 09:29:16,976 DEBUG [main] BasicClientConnectionManager:157 - Get connection
for route {s}->https://api.heroku.com
> 2012-10-04 09:29:17,392 DEBUG [main] DefaultClientConnectionOperator:177 - Connecting
to api.heroku.com:443
> 2012-10-04 09:29:18,432 DEBUG [main] RequestAddCookies:132 - CookieSpec selected: best-match
> 2012-10-04 09:29:18,441 DEBUG [main] RequestTargetAuthentication:78 - Target auth state:
UNCHALLENGED
> 2012-10-04 09:29:18,441 DEBUG [main] RequestProxyAuthentication:87 - Proxy auth state:
UNCHALLENGED
> 2012-10-04 09:29:18,442 DEBUG [main] DefaultHttpClient:710 - Attempt 1 to execute request
> 2012-10-04 09:29:18,442 DEBUG [main] DefaultClientConnection:269 - Sending request: GET
/vendor/apps/ HTTP/1.1
> 2012-10-04 09:29:18,442 DEBUG [main] wire:63 - >> "GET /vendor/apps/ HTTP/1.1[\r][\n]"
> 2012-10-04 09:29:18,443 DEBUG [main] wire:63 - >> "Host: api.heroku.com[\r][\n]"
> 2012-10-04 09:29:18,443 DEBUG [main] wire:63 - >> "Connection: Keep-Alive[\r][\n]"
> 2012-10-04 09:29:18,443 DEBUG [main] wire:63 - >> "User-Agent: Apache-HttpClient/4.2.1
(java 1.5)[\r][\n]"
> 2012-10-04 09:29:18,443 DEBUG [main] wire:63 - >> "[\r][\n]"
> 2012-10-04 09:29:18,444 DEBUG [main] headers:273 - >> GET /vendor/apps/ HTTP/1.1
> 2012-10-04 09:29:18,444 DEBUG [main] headers:276 - >> Host: api.heroku.com
> 2012-10-04 09:29:18,444 DEBUG [main] headers:276 - >> Connection: Keep-Alive
> 2012-10-04 09:29:18,444 DEBUG [main] headers:276 - >> User-Agent: Apache-HttpClient/4.2.1
(java 1.5)
> 2012-10-04 09:29:19,553 DEBUG [main] wire:63 - << "HTTP/1.1 401 Unauthorized[\r][\n]"
> 2012-10-04 09:29:19,557 DEBUG [main] wire:63 - << "Cache-Control: no-cache[\r][\n]"
> 2012-10-04 09:29:19,557 DEBUG [main] wire:63 - << "Content-Type: application/json;
charset=utf-8[\r][\n]"
> 2012-10-04 09:29:19,557 DEBUG [main] wire:63 - << "Date: Thu, 04 Oct 2012 07:30:05
GMT[\r][\n]"
> 2012-10-04 09:29:19,557 DEBUG [main] wire:63 - << "Server: nginx/1.2.3[\r][\n]"
> 2012-10-04 09:29:19,558 DEBUG [main] wire:63 - << "Status: 401 Unauthorized[\r][\n]"
> 2012-10-04 09:29:19,558 DEBUG [main] wire:63 - << "Strict-Transport-Security: max-age=500[\r][\n]"
> 2012-10-04 09:29:19,558 DEBUG [main] wire:63 - << "X-Runtime: 15[\r][\n]"
> 2012-10-04 09:29:19,559 DEBUG [main] wire:63 - << "Content-Length: 25[\r][\n]"
> 2012-10-04 09:29:19,559 DEBUG [main] wire:63 - << "Connection: keep-alive[\r][\n]"
> 2012-10-04 09:29:19,559 DEBUG [main] wire:63 - << "[\r][\n]"
> 2012-10-04 09:29:19,560 DEBUG [main] DefaultClientConnection:254 - Receiving response:
HTTP/1.1 401 Unauthorized
> 2012-10-04 09:29:19,561 DEBUG [main] headers:257 - << HTTP/1.1 401 Unauthorized
> 2012-10-04 09:29:19,561 DEBUG [main] headers:260 - << Cache-Control: no-cache
> 2012-10-04 09:29:19,561 DEBUG [main] headers:260 - << Content-Type: application/json;
charset=utf-8
> 2012-10-04 09:29:19,561 DEBUG [main] headers:260 - << Date: Thu, 04 Oct 2012 07:30:05
GMT
> 2012-10-04 09:29:19,561 DEBUG [main] headers:260 - << Server: nginx/1.2.3
> 2012-10-04 09:29:19,561 DEBUG [main] headers:260 - << Status: 401 Unauthorized
> 2012-10-04 09:29:19,562 DEBUG [main] headers:260 - << Strict-Transport-Security:
max-age=500
> 2012-10-04 09:29:19,562 DEBUG [main] headers:260 - << X-Runtime: 15
> 2012-10-04 09:29:19,562 DEBUG [main] headers:260 - << Content-Length: 25
> 2012-10-04 09:29:19,562 DEBUG [main] headers:260 - << Connection: keep-alive
> 2012-10-04 09:29:19,569 DEBUG [main] DefaultHttpClient:540 - Connection can be kept alive
indefinitely
> 2012-10-04 09:29:19,570 DEBUG [main] DefaultHttpClient:92 - api.heroku.com:443 requested
authentication
> 2012-10-04 09:29:19,570 DEBUG [main] DefaultHttpClient:96 - Response contains no authentication
challenges
> ----------------------------------------
> HTTP/1.1 401 Unauthorized
> Response content length: 25
> 2012-10-04 09:29:19,572 DEBUG [main] wire:77 - << "{"error":"Access denied"}"
> 2012-10-04 09:29:19,572 DEBUG [main] BasicClientConnectionManager:189 - Releasing connection
org.apache.http.impl.conn.ManagedClientConnectionImpl@1aef4504
> 2012-10-04 09:29:19,572 DEBUG [main] BasicClientConnectionManager:219 - Connection can
be kept alive indefinitely
> 2012-10-04 09:29:19,573 DEBUG [main] DefaultClientConnection:169 - Connection 0.0.0.0:60524<->50.16.204.172:443
closed
> My current workaround is to manually add the authentication header:
> NEW WORKING example tested with 4.2+4.2 and client 4.2.1 and core 4.2.2
> package test;
> import org.apache.http.HttpEntity;
> import org.apache.http.HttpHost;
> import org.apache.http.HttpResponse;
> import org.apache.http.auth.AuthScope;
> import org.apache.http.auth.ContextAwareAuthScheme;
> import org.apache.http.auth.UsernamePasswordCredentials;
> import org.apache.http.client.AuthCache;
> import org.apache.http.client.methods.HttpGet;
> import org.apache.http.client.protocol.ClientContext;
> import org.apache.http.impl.auth.BasicScheme;
> import org.apache.http.impl.client.BasicAuthCache;
> import org.apache.http.impl.client.DefaultHttpClient;
> import org.apache.http.protocol.BasicHttpContext;
> import org.apache.http.util.EntityUtils;
> public class ClientPreemptiveBasicAuthentication {
>     public static void main(String[] args) throws Exception {
>         DefaultHttpClient httpclient = new DefaultHttpClient();
>         try {
>             UsernamePasswordCredentials usernamePasswordCredentials = new UsernamePasswordCredentials("username",
"password");
>             // Add AuthCache to the execution context
>             BasicHttpContext localcontext = new BasicHttpContext();
>             HttpGet httpget = new HttpGet("https://api.heroku.com/vendor/apps/");
>             httpget.addHeader(new BasicScheme().authenticate(usernamePasswordCredentials,
httpget, localcontext));
>             System.out.println("executing request: " + httpget.getRequestLine());
>             HttpResponse response = httpclient.execute(httpget, localcontext);
>             HttpEntity entity = response.getEntity();
>             System.out.println("----------------------------------------");
>             System.out.println(response.getStatusLine());
>             if (entity != null) {
>                 System.out.println("Response content length: " + entity.getContentLength());
>             }
>             EntityUtils.consume(entity);
>         } finally {
>             // When HttpClient instance is no longer needed,
>             // shut down the connection manager to ensure
>             // immediate deallocation of all system resources
>             httpclient.getConnectionManager().shutdown();
>         }
>     }
> }

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