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Date: Thu, 28 Jan 2016 04:30:39 +0000 (UTC)
From: "Dariusz Kordonski (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Message-ID: <JIRA.12934680.1453955404000.232623.1453955439820@Atlassian.JIRA>
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 <JIRA.12934680.1453955404543@arcas>
Subject: [jira] [Created] (HTTPCLIENT-1716) DefaultRedirectStrategy seems to
 disregard HTTP spec for PUT/POST/DELETE request redirects
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Dariusz Kordonski created HTTPCLIENT-1716:
---------------------------------------------

             Summary: DefaultRedirectStrategy seems to disregard HTTP spec for PUT/POST/DELETE request redirects
                 Key: HTTPCLIENT-1716
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1716
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient
    Affects Versions: 5.0 Alpha1
            Reporter: Dariusz Kordonski


Observed on {{trunk}} branch that has 5.0-alpha2-SNAPSHOT mvn version.

The docs for {{DefaultRedirectStrategy}} correctly state:

{quote}
his strategy honors the restrictions on automatic redirection of entity enclosing methods such as POST and PUT imposed by the HTTP specification. {@code 302 Moved Temporarily}, {@code 301 Moved Permanently} and {@code 307 Temporary Redirect} status codes will result in an automatic redirect of HEAD and GET methods only. POST and PUT methods will not be automatically redirected as requiring user confirmation.
{quote}

(NB: in fact to be more precise I think DELETE requests should also be **not** automatically redirected)

However the actual implementation does not seem to follow this, whereby {{isRedirected}} pretty much lets all requests through:

{code}
switch (statusCode) {
            case HttpStatus.SC_MOVED_PERMANENTLY:
            case HttpStatus.SC_MOVED_TEMPORARILY:
            case HttpStatus.SC_SEE_OTHER:
            case HttpStatus.SC_TEMPORARY_REDIRECT:
                return true;
            default:
                return false;
        }
{code}

A simple failing test case that confirms the problem for a PUT request resulting with 302 (PUT should only be redirected automatically for 303):

{code}
    @Test
    public void testIsRedirectedForTemporaryRedirectPut() throws Exception {
        final DefaultRedirectStrategy redirectStrategy = new DefaultRedirectStrategy();
        final HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1,
                HttpStatus.SC_TEMPORARY_REDIRECT, "Temporary Redirect");
        response.addHeader("Location", "http://localhost/stuff");
        final HttpContext context = new BasicHttpContext();
        assertFalse(redirectStrategy.isRedirected(new HttpPut("http://localhost/"), response, context));
    }
{code}


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