Exemple #1
0
        /// <summary>
        /// Enforces the content-type to be application/octet-stream for
        /// POST and PUT requests.
        /// </summary>
        /// <param name="request">servlet request.</param>
        /// <param name="response">servlet response.</param>
        /// <param name="chain">filter chain.</param>
        /// <exception cref="System.IO.IOException">thrown if an IO error occurrs.</exception>
        /// <exception cref="Javax.Servlet.ServletException">thrown if a servet error occurrs.
        ///     </exception>
        public virtual void DoFilter(ServletRequest request, ServletResponse response, FilterChain
                                     chain)
        {
            bool contentTypeOK          = true;
            HttpServletRequest  httpReq = (HttpServletRequest)request;
            HttpServletResponse httpRes = (HttpServletResponse)response;
            string method = httpReq.GetMethod();

            if (method.Equals("PUT") || method.Equals("POST"))
            {
                string op = httpReq.GetParameter(HttpFSFileSystem.OpParam);
                if (op != null && UploadOperations.Contains(StringUtils.ToUpperCase(op)))
                {
                    if (Sharpen.Runtime.EqualsIgnoreCase("true", httpReq.GetParameter(HttpFSParametersProvider.DataParam
                                                                                      .Name)))
                    {
                        string contentType = httpReq.GetContentType();
                        contentTypeOK = Sharpen.Runtime.EqualsIgnoreCase(HttpFSFileSystem.UploadContentType
                                                                         , contentType);
                    }
                }
            }
            if (contentTypeOK)
            {
                chain.DoFilter(httpReq, httpRes);
            }
            else
            {
                httpRes.SendError(HttpServletResponse.ScBadRequest, "Data upload requests must have content-type set to '"
                                  + HttpFSFileSystem.UploadContentType + "'");
            }
        }
Exemple #2
0
        public virtual void Mdc()
        {
            HttpServletRequest request = Org.Mockito.Mockito.Mock <HttpServletRequest>();

            Org.Mockito.Mockito.When(request.GetUserPrincipal()).ThenReturn(null);
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn("METHOD");
            Org.Mockito.Mockito.When(request.GetPathInfo()).ThenReturn("/pathinfo");
            ServletResponse response = Org.Mockito.Mockito.Mock <ServletResponse>();
            AtomicBoolean   invoked  = new AtomicBoolean();
            FilterChain     chain    = new _FilterChain_55(invoked);

            MDC.Clear();
            Filter filter = new MDCFilter();

            filter.Init(null);
            filter.DoFilter(request, response, chain);
            NUnit.Framework.Assert.IsTrue(invoked.Get());
            NUnit.Framework.Assert.IsNull(MDC.Get("hostname"));
            NUnit.Framework.Assert.IsNull(MDC.Get("user"));
            NUnit.Framework.Assert.IsNull(MDC.Get("method"));
            NUnit.Framework.Assert.IsNull(MDC.Get("path"));
            Org.Mockito.Mockito.When(request.GetUserPrincipal()).ThenReturn(new _Principal_78
                                                                                ());
            invoked.Set(false);
            chain = new _FilterChain_86(invoked);
            filter.DoFilter(request, response, chain);
            NUnit.Framework.Assert.IsTrue(invoked.Get());
            HostnameFilter.HostnameTl.Set("HOST");
            invoked.Set(false);
            chain = new _FilterChain_103(invoked);
            filter.DoFilter(request, response, chain);
            NUnit.Framework.Assert.IsTrue(invoked.Get());
            HostnameFilter.HostnameTl.Remove();
            filter.Destroy();
        }
Exemple #3
0
        /// <exception cref="System.Exception"/>
        private void TestGetToken(string renewer, Text expectedTokenKind)
        {
            DelegationTokenAuthenticator.DelegationTokenOperation op = DelegationTokenAuthenticator.DelegationTokenOperation
                                                                       .Getdelegationtoken;
            HttpServletRequest  request  = Org.Mockito.Mockito.Mock <HttpServletRequest>();
            HttpServletResponse response = Org.Mockito.Mockito.Mock <HttpServletResponse>();

            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + op.ToString());
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn(op.GetHttpMethod());
            AuthenticationToken token = Org.Mockito.Mockito.Mock <AuthenticationToken>();

            Org.Mockito.Mockito.When(token.GetUserName()).ThenReturn("user");
            Org.Mockito.Mockito.When(response.GetWriter()).ThenReturn(new PrintWriter(new StringWriter
                                                                                          ()));
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(token, request, response
                                                                       ));
            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + op.ToString() + "&" + DelegationTokenAuthenticator.RenewerParam
                                                                          + "=" + renewer);
            Org.Mockito.Mockito.Reset(response);
            Org.Mockito.Mockito.Reset(token);
            Org.Mockito.Mockito.When(token.GetUserName()).ThenReturn("user");
            StringWriter writer  = new StringWriter();
            PrintWriter  pwriter = new PrintWriter(writer);

            Org.Mockito.Mockito.When(response.GetWriter()).ThenReturn(pwriter);
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(token, request, response
                                                                       ));
            if (renewer == null)
            {
                Org.Mockito.Mockito.Verify(token).GetUserName();
            }
            else
            {
                Org.Mockito.Mockito.Verify(token).GetUserName();
            }
            Org.Mockito.Mockito.Verify(response).SetStatus(HttpServletResponse.ScOk);
            Org.Mockito.Mockito.Verify(response).SetContentType(MediaType.ApplicationJson);
            pwriter.Close();
            string responseOutput = writer.ToString();
            string tokenLabel     = DelegationTokenAuthenticator.DelegationTokenJson;

            Assert.True(responseOutput.Contains(tokenLabel));
            Assert.True(responseOutput.Contains(DelegationTokenAuthenticator
                                                .DelegationTokenUrlStringJson));
            ObjectMapper jsonMapper = new ObjectMapper();
            IDictionary  json       = jsonMapper.ReadValue <IDictionary>(responseOutput);

            json = (IDictionary)json[tokenLabel];
            string tokenStr;

            tokenStr = (string)json[DelegationTokenAuthenticator.DelegationTokenUrlStringJson
                       ];
            Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> dt = new Org.Apache.Hadoop.Security.Token.Token
                                                                                    <DelegationTokenIdentifier>();
            dt.DecodeFromUrlString(tokenStr);
            handler.GetTokenManager().VerifyToken(dt);
            Assert.Equal(expectedTokenKind, dt.GetKind());
        }
Exemple #4
0
        /// <exception cref="System.Exception"/>
        private void TestManagementOperationErrors()
        {
            HttpServletRequest  request  = Org.Mockito.Mockito.Mock <HttpServletRequest>();
            HttpServletResponse response = Org.Mockito.Mockito.Mock <HttpServletResponse>();

            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + DelegationTokenAuthenticator.DelegationTokenOperation.Getdelegationtoken
                                                                          .ToString());
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn("FOO");
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(null, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SendError(Org.Mockito.Mockito.Eq(HttpServletResponse
                                                                                  .ScBadRequest), Org.Mockito.Mockito.StartsWith("Wrong HTTP method"));
            Org.Mockito.Mockito.Reset(response);
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn(DelegationTokenAuthenticator.DelegationTokenOperation
                                                                     .Getdelegationtoken.GetHttpMethod());
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(null, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SetStatus(Org.Mockito.Mockito.Eq(HttpServletResponse
                                                                                  .ScUnauthorized));
            Org.Mockito.Mockito.Verify(response).SetHeader(Org.Mockito.Mockito.Eq(KerberosAuthenticator
                                                                                  .WwwAuthenticate), Org.Mockito.Mockito.Eq("mock"));
        }
Exemple #5
0
        /// <exception cref="System.Exception"/>
        private void TestRenewToken()
        {
            DelegationTokenAuthenticator.DelegationTokenOperation op = DelegationTokenAuthenticator.DelegationTokenOperation
                                                                       .Renewdelegationtoken;
            HttpServletRequest  request  = Org.Mockito.Mockito.Mock <HttpServletRequest>();
            HttpServletResponse response = Org.Mockito.Mockito.Mock <HttpServletResponse>();

            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + op.ToString());
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn(op.GetHttpMethod());
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(null, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SetStatus(Org.Mockito.Mockito.Eq(HttpServletResponse
                                                                                  .ScUnauthorized));
            Org.Mockito.Mockito.Verify(response).SetHeader(Org.Mockito.Mockito.Eq(KerberosAuthenticator
                                                                                  .WwwAuthenticate), Org.Mockito.Mockito.Eq("mock"));
            Org.Mockito.Mockito.Reset(response);
            AuthenticationToken token = Org.Mockito.Mockito.Mock <AuthenticationToken>();

            Org.Mockito.Mockito.When(token.GetUserName()).ThenReturn("user");
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(token, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SendError(Org.Mockito.Mockito.Eq(HttpServletResponse
                                                                                  .ScBadRequest), Org.Mockito.Mockito.Contains("requires the parameter [token]"));
            Org.Mockito.Mockito.Reset(response);
            StringWriter writer  = new StringWriter();
            PrintWriter  pwriter = new PrintWriter(writer);

            Org.Mockito.Mockito.When(response.GetWriter()).ThenReturn(pwriter);
            Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> dToken = (Org.Apache.Hadoop.Security.Token.Token
                                                                                         <DelegationTokenIdentifier>)handler.GetTokenManager().CreateToken(UserGroupInformation
                                                                                                                                                           .GetCurrentUser(), "user");
            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + op.ToString() + "&" + DelegationTokenAuthenticator.TokenParam +
                                                                          "=" + dToken.EncodeToUrlString());
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(token, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SetStatus(HttpServletResponse.ScOk);
            pwriter.Close();
            Assert.True(writer.ToString().Contains("long"));
            handler.GetTokenManager().VerifyToken(dToken);
        }
Exemple #6
0
        /// <summary>
        /// Handle redirects with a status code that can in future support verbs other
        /// than GET, thus supporting full REST functionality.
        /// </summary>
        /// <remarks>
        /// Handle redirects with a status code that can in future support verbs other
        /// than GET, thus supporting full REST functionality.
        /// <p>
        /// The target URL is included in the redirect text returned
        /// <p>
        /// At the end of this method, the output stream is closed.
        /// </remarks>
        /// <param name="request">
        /// request (hence: the verb and any other information
        /// relevant to a redirect)
        /// </param>
        /// <param name="response">the response</param>
        /// <param name="target">the target URL -unencoded</param>
        /// <exception cref="System.IO.IOException"/>
        public static void SendRedirect(HttpServletRequest request, HttpServletResponse response
                                        , string target)
        {
            if (Log.IsDebugEnabled())
            {
                Log.Debug("Redirecting {} {} to {}", request.GetMethod(), request.GetRequestURI()
                          , target);
            }
            string location = response.EncodeRedirectURL(target);

            response.SetStatus(HttpServletResponse.ScFound);
            response.SetHeader(Location, location);
            response.SetContentType(MimeType.Html);
            PrintWriter writer = response.GetWriter();

            ProxyUtils.Page p = new ProxyUtils.Page(writer);
            p.Html().Head().Title("Moved").().Body().H1("Moved").Div().("Content has moved ")
            .A(location, "here").().().();
            writer.Close();
        }
Exemple #7
0
        /// <exception cref="System.Exception"/>
        private void TestCancelToken()
        {
            DelegationTokenAuthenticator.DelegationTokenOperation op = DelegationTokenAuthenticator.DelegationTokenOperation
                                                                       .Canceldelegationtoken;
            HttpServletRequest  request  = Org.Mockito.Mockito.Mock <HttpServletRequest>();
            HttpServletResponse response = Org.Mockito.Mockito.Mock <HttpServletResponse>();

            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + op.ToString());
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn(op.GetHttpMethod());
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(null, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SendError(Org.Mockito.Mockito.Eq(HttpServletResponse
                                                                                  .ScBadRequest), Org.Mockito.Mockito.Contains("requires the parameter [token]"));
            Org.Mockito.Mockito.Reset(response);
            Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> token = (Org.Apache.Hadoop.Security.Token.Token
                                                                                        <DelegationTokenIdentifier>)handler.GetTokenManager().CreateToken(UserGroupInformation
                                                                                                                                                          .GetCurrentUser(), "foo");
            Org.Mockito.Mockito.When(request.GetQueryString()).ThenReturn(DelegationTokenAuthenticator
                                                                          .OpParam + "=" + op.ToString() + "&" + DelegationTokenAuthenticator.TokenParam +
                                                                          "=" + token.EncodeToUrlString());
            NUnit.Framework.Assert.IsFalse(handler.ManagementOperation(null, request, response
                                                                       ));
            Org.Mockito.Mockito.Verify(response).SetStatus(HttpServletResponse.ScOk);
            try
            {
                handler.GetTokenManager().VerifyToken(token);
                NUnit.Framework.Assert.Fail();
            }
            catch (SecretManager.InvalidToken)
            {
            }
            catch
            {
                //NOP
                NUnit.Framework.Assert.Fail();
            }
        }
Exemple #8
0
        /// <exception cref="System.IO.IOException"/>
        /// <exception cref="Org.Apache.Hadoop.Security.Authentication.Client.AuthenticationException
        ///     "/>
        public override bool ManagementOperation(AuthenticationToken token, HttpServletRequest
                                                 request, HttpServletResponse response)
        {
            bool   requestContinues = true;
            string op = ServletUtils.GetParameter(request, KerberosDelegationTokenAuthenticator
                                                  .OpParam);

            op = (op != null) ? StringUtils.ToUpperCase(op) : null;
            if (DelegationTokenOps.Contains(op) && !request.GetMethod().Equals("OPTIONS"))
            {
                DelegationTokenAuthenticator.DelegationTokenOperation dtOp = DelegationTokenAuthenticator.DelegationTokenOperation
                                                                             .ValueOf(op);
                if (dtOp.GetHttpMethod().Equals(request.GetMethod()))
                {
                    bool doManagement;
                    if (dtOp.RequiresKerberosCredentials() && token == null)
                    {
                        token = Authenticate(request, response);
                        if (token == null)
                        {
                            requestContinues = false;
                            doManagement     = false;
                        }
                        else
                        {
                            doManagement = true;
                        }
                    }
                    else
                    {
                        doManagement = true;
                    }
                    if (doManagement)
                    {
                        UserGroupInformation requestUgi = (token != null) ? UserGroupInformation.CreateRemoteUser
                                                              (token.GetUserName()) : null;
                        // Create the proxy user if doAsUser exists
                        string doAsUser = DelegationTokenAuthenticationFilter.GetDoAs(request);
                        if (requestUgi != null && doAsUser != null)
                        {
                            requestUgi = UserGroupInformation.CreateProxyUser(doAsUser, requestUgi);
                            try
                            {
                                ProxyUsers.Authorize(requestUgi, request.GetRemoteHost());
                            }
                            catch (AuthorizationException ex)
                            {
                                HttpExceptionUtils.CreateServletExceptionResponse(response, HttpServletResponse.ScForbidden
                                                                                  , ex);
                                return(false);
                            }
                        }
                        IDictionary map = null;
                        switch (dtOp)
                        {
                        case DelegationTokenAuthenticator.DelegationTokenOperation.Getdelegationtoken:
                        {
                            if (requestUgi == null)
                            {
                                throw new InvalidOperationException("request UGI cannot be NULL");
                            }
                            string renewer = ServletUtils.GetParameter(request, KerberosDelegationTokenAuthenticator
                                                                       .RenewerParam);
                            try
                            {
                                Org.Apache.Hadoop.Security.Token.Token <object> dToken = tokenManager.CreateToken(
                                    requestUgi, renewer);
                                map = DelegationTokenToJSON(dToken);
                            }
                            catch (IOException ex)
                            {
                                throw new AuthenticationException(ex.ToString(), ex);
                            }
                            break;
                        }

                        case DelegationTokenAuthenticator.DelegationTokenOperation.Renewdelegationtoken:
                        {
                            if (requestUgi == null)
                            {
                                throw new InvalidOperationException("request UGI cannot be NULL");
                            }
                            string tokenToRenew = ServletUtils.GetParameter(request, KerberosDelegationTokenAuthenticator
                                                                            .TokenParam);
                            if (tokenToRenew == null)
                            {
                                response.SendError(HttpServletResponse.ScBadRequest, MessageFormat.Format("Operation [{0}] requires the parameter [{1}]"
                                                                                                          , dtOp, KerberosDelegationTokenAuthenticator.TokenParam));
                                requestContinues = false;
                            }
                            else
                            {
                                Org.Apache.Hadoop.Security.Token.Token <AbstractDelegationTokenIdentifier> dt = new
                                                                                                                Org.Apache.Hadoop.Security.Token.Token();
                                try
                                {
                                    dt.DecodeFromUrlString(tokenToRenew);
                                    long expirationTime = tokenManager.RenewToken(dt, requestUgi.GetShortUserName());
                                    map         = new Hashtable();
                                    map["long"] = expirationTime;
                                }
                                catch (IOException ex)
                                {
                                    throw new AuthenticationException(ex.ToString(), ex);
                                }
                            }
                            break;
                        }

                        case DelegationTokenAuthenticator.DelegationTokenOperation.Canceldelegationtoken:
                        {
                            string tokenToCancel = ServletUtils.GetParameter(request, KerberosDelegationTokenAuthenticator
                                                                             .TokenParam);
                            if (tokenToCancel == null)
                            {
                                response.SendError(HttpServletResponse.ScBadRequest, MessageFormat.Format("Operation [{0}] requires the parameter [{1}]"
                                                                                                          , dtOp, KerberosDelegationTokenAuthenticator.TokenParam));
                                requestContinues = false;
                            }
                            else
                            {
                                Org.Apache.Hadoop.Security.Token.Token <AbstractDelegationTokenIdentifier> dt = new
                                                                                                                Org.Apache.Hadoop.Security.Token.Token();
                                try
                                {
                                    dt.DecodeFromUrlString(tokenToCancel);
                                    tokenManager.CancelToken(dt, (requestUgi != null) ? requestUgi.GetShortUserName()
                                                                                         : null);
                                }
                                catch (IOException)
                                {
                                    response.SendError(HttpServletResponse.ScNotFound, "Invalid delegation token, cannot cancel"
                                                       );
                                    requestContinues = false;
                                }
                            }
                            break;
                        }
                        }
                        if (requestContinues)
                        {
                            response.SetStatus(HttpServletResponse.ScOk);
                            if (map != null)
                            {
                                response.SetContentType(MediaType.ApplicationJson);
                                TextWriter   writer     = response.GetWriter();
                                ObjectMapper jsonMapper = new ObjectMapper();
                                jsonMapper.WriteValue(writer, map);
                                writer.Write(Enter);
                                writer.Flush();
                            }
                            requestContinues = false;
                        }
                    }
                }
                else
                {
                    response.SendError(HttpServletResponse.ScBadRequest, MessageFormat.Format("Wrong HTTP method [{0}] for operation [{1}], it should be "
                                                                                              + "[{2}]", request.GetMethod(), dtOp, dtOp.GetHttpMethod()));
                    requestContinues = false;
                }
            }
            return(requestContinues);
        }
Exemple #9
0
        /// <exception cref="Javax.Servlet.ServletException"/>
        /// <exception cref="System.IO.IOException"/>
        protected override void Service(HttpServletRequest req, HttpServletResponse res)
        {
            res.SetCharacterEncoding("UTF-8");
            string uri = HtmlQuoting.QuoteHtmlChars(req.GetRequestURI());

            if (uri == null)
            {
                uri = "/";
            }
            if (devMode && uri.Equals("/__stop"))
            {
                // quick hack to restart servers in dev mode without OS commands
                res.SetStatus(res.ScNoContent);
                Log.Info("dev mode restart requested");
                PrepareToExit();
                return;
            }
            // if they provide a redirectPath go there instead of going to
            // "/" so that filters can differentiate the webapps.
            if (uri.Equals("/"))
            {
                string redirectPath = webApp.GetRedirectPath();
                if (redirectPath != null && !redirectPath.IsEmpty())
                {
                    res.SendRedirect(redirectPath);
                    return;
                }
            }
            string method = req.GetMethod();

            if (method.Equals("OPTIONS"))
            {
                DoOptions(req, res);
                return;
            }
            if (method.Equals("TRACE"))
            {
                DoTrace(req, res);
                return;
            }
            if (method.Equals("HEAD"))
            {
                DoGet(req, res);
                // default to bad request
                return;
            }
            string pathInfo = req.GetPathInfo();

            if (pathInfo == null)
            {
                pathInfo = "/";
            }
            Controller.RequestContext rc = injector.GetInstance <Controller.RequestContext>();
            if (SetCookieParams(rc, req) > 0)
            {
                Cookie ec = rc.Cookies()[ErrorCookie];
                if (ec != null)
                {
                    rc.SetStatus(System.Convert.ToInt32(rc.Cookies()[StatusCookie].GetValue()));
                    RemoveErrorCookies(res, uri);
                    rc.Set(Params.ErrorDetails, ec.GetValue());
                    Render(typeof(ErrorPage));
                    return;
                }
            }
            rc.prefix = webApp.Name();
            Router.Dest dest = null;
            try
            {
                dest = router.Resolve(method, pathInfo);
            }
            catch (WebAppException e)
            {
                rc.error = e;
                if (!e.Message.Contains("not found"))
                {
                    rc.SetStatus(res.ScInternalServerError);
                    Render(typeof(ErrorPage));
                    return;
                }
            }
            if (dest == null)
            {
                rc.SetStatus(res.ScNotFound);
                Render(typeof(ErrorPage));
                return;
            }
            rc.devMode = devMode;
            SetMoreParams(rc, pathInfo, dest);
            Controller controller = injector.GetInstance(dest.controllerClass);

            try
            {
                // TODO: support args converted from /path/:arg1/...
                dest.action.Invoke(controller, (object[])null);
                if (!rc.rendered)
                {
                    if (dest.defaultViewClass != null)
                    {
                        Render(dest.defaultViewClass);
                    }
                    else
                    {
                        if (rc.status == 200)
                        {
                            throw new InvalidOperationException("No view rendered for 200");
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Log.Error("error handling URI: " + uri, e);
                // Page could be half rendered (but still not flushed). So redirect.
                RedirectToErrorPage(res, e, uri, devMode);
            }
        }
Exemple #10
-2
        /// <exception cref="System.Exception"/>
        private void Test(string method, string operation, string contentType, bool upload
                          , bool error)
        {
            HttpServletRequest  request  = Org.Mockito.Mockito.Mock <HttpServletRequest>();
            HttpServletResponse response = Org.Mockito.Mockito.Mock <HttpServletResponse>();

            Org.Mockito.Mockito.Reset(request);
            Org.Mockito.Mockito.When(request.GetMethod()).ThenReturn(method);
            Org.Mockito.Mockito.When(request.GetParameter(HttpFSFileSystem.OpParam)).ThenReturn
                (operation);
            Org.Mockito.Mockito.When(request.GetParameter(HttpFSParametersProvider.DataParam.
                                                          Name)).ThenReturn(bool.ToString(upload));
            Org.Mockito.Mockito.When(request.GetContentType()).ThenReturn(contentType);
            FilterChain chain  = Org.Mockito.Mockito.Mock <FilterChain>();
            Filter      filter = new CheckUploadContentTypeFilter();

            filter.DoFilter(request, response, chain);
            if (error)
            {
                Org.Mockito.Mockito.Verify(response).SendError(Org.Mockito.Mockito.Eq(HttpServletResponse
                                                                                      .ScBadRequest), Org.Mockito.Mockito.Contains("Data upload"));
            }
            else
            {
                Org.Mockito.Mockito.Verify(chain).DoFilter(request, response);
            }
        }