Examples with HttpServletResponseImpl io.undertow.servlet.spec.HttpServletResponseImpl used on opensource projects

Example 1 with HttpServletResponseImpl

use of io.undertow.servlet.spec.HttpServletResponseImpl in project undertow by undertow-io.

the class RewriteHandler method handleRequest.

public void handleRequest(HttpServerExchange exchange) throws Exception {
    RewriteRule[] rules = config.getRules();
    if (rules == null || rules.length == 0) {
        next.handleRequest(exchange);
        return;
    }
    if (Boolean.TRUE.equals(invoked.get())) {
        next.handleRequest(exchange);
        invoked.set(null);
        return;
    }
    ServletRequestContext src = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
    HttpServletRequestImpl request = src.getOriginalRequest();
    HttpServletResponseImpl response = src.getOriginalResponse();
    UndertowResolver resolver = new UndertowResolver(src, src.getOriginalRequest());
    invoked.set(Boolean.TRUE);
    // As long as MB isn't a char sequence or affiliated, this has to be
    // converted to a string
    CharSequence url = exchange.getRelativePath();
    CharSequence host = request.getServerName();
    boolean rewritten = false;
    boolean done = false;
    for (int i = 0; i < rules.length; i++) {
        CharSequence test = (rules[i].isHost()) ? host : url;
        CharSequence newtest = rules[i].evaluate(test, resolver);
        if (newtest != null && !test.equals(newtest.toString())) {
            if (UndertowServletLogger.REQUEST_LOGGER.isDebugEnabled()) {
                UndertowServletLogger.REQUEST_LOGGER.debug("Rewrote " + test + " as " + newtest + " with rule pattern " + rules[i].getPatternString());
            }
            if (rules[i].isHost()) {
                host = newtest;
            } else {
                url = newtest;
            }
            rewritten = true;
        }
        // - forbidden
        if (rules[i].isForbidden() && newtest != null) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            done = true;
            break;
        }
        // - gone
        if (rules[i].isGone() && newtest != null) {
            response.sendError(HttpServletResponse.SC_GONE);
            done = true;
            break;
        }
        // - redirect (code)
        if (rules[i].isRedirect() && newtest != null) {
            // append the query string to the url if there is one and it hasn't been rewritten
            String queryString = request.getQueryString();
            StringBuffer urlString = new StringBuffer(url);
            if (queryString != null && queryString.length() > 0) {
                int index = urlString.indexOf("?");
                if (index != -1) {
                    // if qsa is specified append the query
                    if (rules[i].isQsappend()) {
                        urlString.append('&');
                        urlString.append(queryString);
                    } else // prevent the rewrite module from appending the query string
                    if (index == urlString.length() - 1) {
                        urlString.deleteCharAt(index);
                    }
                } else {
                    urlString.append('?');
                    urlString.append(queryString);
                }
            }
            // 3. the url isn't absolute
            if (urlString.charAt(0) == '/' && !hasScheme(urlString)) {
                urlString.insert(0, request.getContextPath());
            }
            response.sendRedirect(urlString.toString());
            response.setStatus(rules[i].getRedirectCode());
            done = true;
            break;
        }
        // - cookie
        if (rules[i].isCookie() && newtest != null) {
            Cookie cookie = new Cookie(rules[i].getCookieName(), rules[i].getCookieResult());
            cookie.setDomain(rules[i].getCookieDomain());
            cookie.setMaxAge(rules[i].getCookieLifetime());
            cookie.setPath(rules[i].getCookiePath());
            cookie.setSecure(rules[i].isCookieSecure());
            cookie.setHttpOnly(rules[i].isCookieHttpOnly());
            response.addCookie(cookie);
        }
        // - env (note: this sets a request attribute)
        if (rules[i].isEnv() && newtest != null) {
            for (int j = 0; j < rules[i].getEnvSize(); j++) {
                request.setAttribute(rules[i].getEnvName(j), rules[i].getEnvResult(j));
            }
        }
        //   to do that)
        if (rules[i].isType() && newtest != null) {
            exchange.getRequestHeaders().put(Headers.CONTENT_TYPE, rules[i].getTypeValue());
        }
        // - qsappend
        if (rules[i].isQsappend() && newtest != null) {
            String queryString = request.getQueryString();
            String urlString = url.toString();
            if (urlString.indexOf('?') != -1 && queryString != null) {
                url = urlString + "&" + queryString;
            }
        }
        // - chain (skip remaining chained rules if this one does not match)
        if (rules[i].isChain() && newtest == null) {
            for (int j = i; j < rules.length; j++) {
                if (!rules[j].isChain()) {
                    i = j;
                    break;
                }
            }
            continue;
        }
        // - last (stop rewriting here)
        if (rules[i].isLast() && newtest != null) {
            break;
        }
        // - next (redo again)
        if (rules[i].isNext() && newtest != null) {
            i = 0;
            continue;
        }
        // - skip (n rules)
        if (newtest != null) {
            i += rules[i].getSkip();
        }
    }
    if (rewritten) {
        if (!done) {
            // See if we need to replace the query string
            String urlString = url.toString();
            String queryString = null;
            int queryIndex = urlString.indexOf('?');
            if (queryIndex != -1) {
                queryString = urlString.substring(queryIndex + 1);
                urlString = urlString.substring(0, queryIndex);
            }
            // Set the new URL
            StringBuilder chunk = new StringBuilder();
            chunk.append(request.getContextPath());
            chunk.append(urlString);
            String requestPath = chunk.toString();
            exchange.setRequestPath(requestPath);
            exchange.setRelativePath(urlString);
            // Set the new Query if there is one
            if (queryString != null) {
                exchange.setQueryString(queryString);
                exchange.getQueryParameters().clear();
                exchange.getQueryParameters().putAll(QueryParameterUtils.parseQueryString(queryString, exchange.getConnection().getUndertowOptions().get(UndertowOptions.URL_CHARSET, StandardCharsets.UTF_8.name())));
            }
            // Set the new host if it changed
            if (!host.equals(request.getServerName())) {
                exchange.getRequestHeaders().put(Headers.HOST, host + ":" + exchange.getHostPort());
            }
            // Reinvoke the whole request recursively
            src.getDeployment().getHandler().handleRequest(exchange);
        }
    } else {
        next.handleRequest(exchange);
    }
    invoked.set(null);
}

Example 2 with HttpServletResponseImpl

use of io.undertow.servlet.spec.HttpServletResponseImpl in project undertow by undertow-io.

the class ServletInitialHandler method handleRequest.

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
    final String path = exchange.getRelativePath();
    if (isForbiddenPath(path)) {
        exchange.setStatusCode(StatusCodes.NOT_FOUND);
        return;
    }
    final ServletPathMatch info = paths.getServletHandlerByPath(path);
    //https://issues.jboss.org/browse/WFLY-3439
    //if the request is an upgrade request then we don't want to redirect
    //as there is a good chance the web socket client won't understand the redirect
    //we make an exception for HTTP2 upgrade requests, as this would have already be handled at
    //the connector level if it was going to be handled.
    String upgradeString = exchange.getRequestHeaders().getFirst(Headers.UPGRADE);
    boolean isUpgradeRequest = upgradeString != null && !upgradeString.startsWith(HTTP2_UPGRADE_PREFIX);
    if (info.getType() == ServletPathMatch.Type.REDIRECT && !isUpgradeRequest) {
        //we redirect on GET requests to the root context to add an / to the end
        if (exchange.getRequestMethod().equals(Methods.GET) || exchange.getRequestMethod().equals(Methods.HEAD)) {
            exchange.setStatusCode(StatusCodes.FOUND);
        } else {
            exchange.setStatusCode(StatusCodes.TEMPORARY_REDIRECT);
        }
        exchange.getResponseHeaders().put(Headers.LOCATION, RedirectBuilder.redirect(exchange, exchange.getRelativePath() + "/", true));
        return;
    } else if (info.getType() == ServletPathMatch.Type.REWRITE) {
        //this can only happen if the path ends with a /
        //otherwise there would be a redirect instead
        exchange.setRelativePath(info.getRewriteLocation());
        exchange.setRequestPath(exchange.getResolvedPath() + info.getRewriteLocation());
    }
    final HttpServletResponseImpl response = new HttpServletResponseImpl(exchange, servletContext);
    final HttpServletRequestImpl request = new HttpServletRequestImpl(exchange, servletContext);
    final ServletRequestContext servletRequestContext = new ServletRequestContext(servletContext.getDeployment(), request, response, info);
    //set the max request size if applicable
    if (info.getServletChain().getManagedServlet().getMaxRequestSize() > 0) {
        exchange.setMaxEntitySize(info.getServletChain().getManagedServlet().getMaxRequestSize());
    }
    exchange.putAttachment(ServletRequestContext.ATTACHMENT_KEY, servletRequestContext);
    exchange.startBlocking(new ServletBlockingHttpExchange(exchange));
    servletRequestContext.setServletPathMatch(info);
    Executor executor = info.getServletChain().getExecutor();
    if (executor == null) {
        executor = servletContext.getDeployment().getExecutor();
    }
    if (exchange.isInIoThread() || executor != null) {
        //either the exchange has not been dispatched yet, or we need to use a special executor
        exchange.dispatch(executor, dispatchHandler);
    } else {
        dispatchRequest(exchange, servletRequestContext, info.getServletChain(), DispatcherType.REQUEST);
    }
}

Example 3 with HttpServletResponseImpl

use of io.undertow.servlet.spec.HttpServletResponseImpl in project undertow by undertow-io.

the class ServletBlockingHttpExchange method close.

@Override
public void close() throws IOException {
    ServletRequestContext servletRequestContext = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
    if (!exchange.isComplete()) {
        try {
            HttpServletRequestImpl request = servletRequestContext.getOriginalRequest();
            request.closeAndDrainRequest();
        } finally {
            HttpServletResponseImpl response = servletRequestContext.getOriginalResponse();
            response.closeStreamAndWriter();
        }
    } else {
        try {
            HttpServletRequestImpl request = servletRequestContext.getOriginalRequest();
            request.freeResources();
        } finally {
            HttpServletResponseImpl response = servletRequestContext.getOriginalResponse();
            response.freeResources();
        }
    }
}

Example 4 with HttpServletResponseImpl

use of io.undertow.servlet.spec.HttpServletResponseImpl in project undertow by undertow-io.

the class ServletInitialHandler method dispatchMockRequest.

@Override
public void dispatchMockRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    final DefaultByteBufferPool bufferPool = new DefaultByteBufferPool(false, 1024, 0, 0);
    MockServerConnection connection = new MockServerConnection(bufferPool);
    HttpServerExchange exchange = new HttpServerExchange(connection);
    exchange.setRequestScheme(request.getScheme());
    exchange.setRequestMethod(new HttpString(request.getMethod()));
    exchange.setProtocol(Protocols.HTTP_1_0);
    exchange.setResolvedPath(request.getContextPath());
    String relative;
    if (request.getPathInfo() == null) {
        relative = request.getServletPath();
    } else {
        relative = request.getServletPath() + request.getPathInfo();
    }
    exchange.setRelativePath(relative);
    final ServletPathMatch info = paths.getServletHandlerByPath(request.getServletPath());
    final HttpServletResponseImpl oResponse = new HttpServletResponseImpl(exchange, servletContext);
    final HttpServletRequestImpl oRequest = new HttpServletRequestImpl(exchange, servletContext);
    final ServletRequestContext servletRequestContext = new ServletRequestContext(servletContext.getDeployment(), oRequest, oResponse, info);
    servletRequestContext.setServletRequest(request);
    servletRequestContext.setServletResponse(response);
    //set the max request size if applicable
    if (info.getServletChain().getManagedServlet().getMaxRequestSize() > 0) {
        exchange.setMaxEntitySize(info.getServletChain().getManagedServlet().getMaxRequestSize());
    }
    exchange.putAttachment(ServletRequestContext.ATTACHMENT_KEY, servletRequestContext);
    exchange.startBlocking(new ServletBlockingHttpExchange(exchange));
    servletRequestContext.setServletPathMatch(info);
    try {
        dispatchRequest(exchange, servletRequestContext, info.getServletChain(), DispatcherType.REQUEST);
    } catch (Exception e) {
        if (e instanceof RuntimeException) {
            throw (RuntimeException) e;
        }
        throw new ServletException(e);
    }
}