Question

我需要通过网络服务进行身份验证，因此我尝试了Example from here。我传递了所有必需的参数和凭据，但是在打印响应时收到了失败。我已经在我的浏览器中测试了用户名和密码，而且工作正常但我无法理解这里发生了什么：

我的web服务是在ASP.NET中开发的

logcate ::（响应）

04-19 02:10:14.063: WARN/etAuthenticationHandler(1613): Authentication scheme ntlm not supported
04-19 02:10:14.070: WARN/DefaultRequestDirector(1613): Authentication error: Unable to respond to any of these challenges: {ntlm=WWW-Authenticate: NTLM, negotiate=WWW-Authenticate: Negotiate}
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): OK: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <html xmlns="http://www.w3.org/1999/xhtml">
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <head>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <title>401 - Unauthorized: Access is denied due to invalid credentials.</title>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <style type="text/css">
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <!--
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): body{margin:0;font-size:.7em;font-family:Verdana, Arial, Helvetica, sans-serif;background:#EEEEEE;}
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): fieldset{padding:0 15px 10px 15px;} 
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): h1{font-size:2.4em;margin:0;color:#FFF;}
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): h2{font-size:1.7em;margin:0;color:#CC0000;} 
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): h3{font-size:1.2em;margin:10px 0 0 0;color:#000000;} 
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): #header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS", Verdana, sans-serif;color:#FFF;
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): background-color:#555555;}
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): #content{margin:0 0 0 2%;position:relative;}
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): .content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): -->
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): </style>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): </head>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <body>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <div id="header"><h1>Server Error</h1></div>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): <div id="content">
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613):  <div class="content-container"><fieldset>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613):   <h2>401 - Unauthorized: Access is denied due to invalid credentials.</h2>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613):   <h3>You do not have permission to view this directory or page using the credentials that you supplied.</h3>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613):  </fieldset></div>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): </div>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): </body>
04-19 02:10:14.080: DEBUG/MY_APP_TAG(1613): </html>

代码：

String username = "uname";
        String host = "host";
        String password = "pass";

        String urlApiCall_FindAllRepositories = 
                 "http://host:2003/VoyagerWebservice7.0.1/webservices.asmx/Naptan_GetStops_ForVoyager_FromSearch_Custom?SerachText=Easton";

        try {
            HttpClient client = new DefaultHttpClient();

            AuthScope as = new AuthScope(host, 2003);
            UsernamePasswordCredentials upc = new UsernamePasswordCredentials(
                    username, password);

            ((AbstractHttpClient) client).getCredentialsProvider()
                    .setCredentials(as, upc);

            BasicHttpContext localContext = new BasicHttpContext();

            BasicScheme basicAuth = new BasicScheme();
            localContext.setAttribute("preemptive-auth", basicAuth);

            HttpHost targetHost = new HttpHost(host, 2003, "http");

            HttpGet httpget = new HttpGet(urlApiCall_FindAllRepositories);
            httpget.setHeader("Content-Type", "text/xml");

            HttpResponse response = client.execute(targetHost, httpget,
                    localContext);

            HttpEntity entity = response.getEntity();
            Object content = EntityUtils.toString(entity);

            Log.d("MY_APP_TAG", "OK: " + content.toString());


        } catch (Exception e) {
            e.printStackTrace();
            Log.d("MY_APP_TAG", "Error: " + e.getMessage());
        }

Answer 1

您提到的帖子使用HTTP身份验证，而您的服务器似乎使用NTLM身份验证。您应该使用NTCredentials进行NTLM身份验证。

如果您遇到旧设备问题，可以查看http://code.google.com/p/android/issues/detail?id=4962#c274。

Web服务的身份验证

1 个答案: