private static HttpResponse addEtag(
HttpRequest nettyRequest, HttpResponse httpResponse, File file) {
if (Play.mode == Play.Mode.DEV) {
httpResponse.setHeader(CACHE_CONTROL, "no-cache");
} else {
String maxAge = Play.configuration.getProperty("http.cacheControl", "3600");
if (maxAge.equals("0")) {
httpResponse.setHeader(CACHE_CONTROL, "no-cache");
} else {
httpResponse.setHeader(CACHE_CONTROL, "max-age=" + maxAge);
}
}
boolean useEtag = Play.configuration.getProperty("http.useETag", "true").equals("true");
long last = file.lastModified();
final String etag = "\"" + last + "-" + file.hashCode() + "\"";
if (!isModified(etag, last, nettyRequest)) {
if (nettyRequest.getMethod().equals(HttpMethod.GET)) {
httpResponse.setStatus(HttpResponseStatus.NOT_MODIFIED);
}
if (useEtag) {
httpResponse.setHeader(ETAG, etag);
}
} else {
httpResponse.setHeader(LAST_MODIFIED, Utils.getHttpDateFormatter().format(new Date(last)));
if (useEtag) {
httpResponse.setHeader(ETAG, etag);
}
}
return httpResponse;
}
protected static void addToResponse(Response response, HttpResponse nettyResponse) {
Map<String, Http.Header> headers = response.headers;
for (Map.Entry<String, Http.Header> entry : headers.entrySet()) {
Http.Header hd = entry.getValue();
for (String value : hd.values) {
nettyResponse.setHeader(entry.getKey(), value);
}
}
Map<String, Http.Cookie> cookies = response.cookies;
for (Http.Cookie cookie : cookies.values()) {
CookieEncoder encoder = new CookieEncoder(true);
Cookie c = new DefaultCookie(cookie.name, cookie.value);
c.setSecure(cookie.secure);
c.setPath(cookie.path);
if (cookie.domain != null) {
c.setDomain(cookie.domain);
}
if (cookie.maxAge != null) {
c.setMaxAge(cookie.maxAge);
}
c.setHttpOnly(cookie.httpOnly);
encoder.addCookie(c);
nettyResponse.addHeader(SET_COOKIE, encoder.encode());
}
if (!response.headers.containsKey(CACHE_CONTROL)) {
nettyResponse.setHeader(CACHE_CONTROL, "no-cache");
}
}
public static void serve404(
NotFound e, ChannelHandlerContext ctx, Request request, HttpRequest nettyRequest) {
Logger.trace("serve404: begin");
HttpResponse nettyResponse =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND);
nettyResponse.setHeader(SERVER, signature);
nettyResponse.setHeader(CONTENT_TYPE, "text/html");
Map<String, Object> binding = getBindingForErrors(e, false);
String format = Request.current().format;
if (format == null) {
format = "txt";
}
nettyResponse.setHeader(
CONTENT_TYPE, (MimeTypes.getContentType("404." + format, "text/plain")));
String errorHtml = TemplateLoader.load("errors/404." + format).render(binding);
try {
ChannelBuffer buf = ChannelBuffers.copiedBuffer(errorHtml.getBytes("utf-8"));
nettyResponse.setContent(buf);
ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
writeFuture.addListener(ChannelFutureListener.CLOSE);
} catch (UnsupportedEncodingException fex) {
Logger.error(fex, "(utf-8 ?)");
}
Logger.trace("serve404: end");
}
public static void sendOptionsResponse(
String allowHeaders, HttpRequest request, ChannelHandlerContext context) {
HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
response.setHeader(ACCESS_CONTROL_ALLOW_ORIGIN, "*");
response.setHeader(ACCESS_CONTROL_ALLOW_METHODS, allowHeaders);
response.setHeader(ALLOW, allowHeaders);
send(response, request, context);
}
private static void sendStatus(
HttpResponse response,
@Nullable HttpRequest request,
Channel channel,
@Nullable String description) {
response.setHeader(CONTENT_TYPE, "text/html");
if (request == null || request.getMethod() != HttpMethod.HEAD) {
String message = response.getStatus().toString();
StringBuilder builder = new StringBuilder();
builder
.append("<!doctype html><title>")
.append(message)
.append("</title>")
.append("<h1 style=\"text-align: center\">")
.append(message)
.append("</h1>");
if (description != null) {
builder.append("<p>").append(description).append("</p>");
}
builder
.append("<hr/><p style=\"text-align: center\">")
.append(StringUtil.notNullize(getServerHeaderValue(), ""))
.append("</p>");
response.setContent(ChannelBuffers.copiedBuffer(builder, CharsetUtil.UTF_8));
}
send(response, channel, request);
}
public static boolean addKeepAliveIfNeed(HttpResponse response, HttpRequest request) {
if (isKeepAlive(request)) {
response.setHeader(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
return true;
}
return false;
}
private void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) {
HttpResponse response = new DefaultHttpResponse(HTTP_1_1, status);
response.setHeader(CONTENT_TYPE, "text/plain; charset=UTF-8");
response.setContent(ChannelBuffers.copiedBuffer(message, CharsetUtil.UTF_8));
// Close the connection as soon as the error message is sent.
ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
}
@Test
public void decodeUtf16EncodedResponse() {
HttpResponse httpResponse = new HttpResponse();
httpResponse.setStatus(200);
httpResponse.setHeader(CONTENT_TYPE, JSON_UTF_8.withCharset(UTF_16).toString());
httpResponse.setContent("{\"status\":0,\"value\":\"水\"}".getBytes(UTF_16));
Response response = codec.decode(httpResponse);
assertEquals("水", response.getValue());
}
private void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
response.setContent(
ChannelBuffers.copiedBuffer(
"Failure: " + status.toString() + "\r\n", Charset.forName("UTF-8")));
// Close the connection as soon as the error message is sent.
ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
}
@Override
public void messageReceived(ChannelHandlerContext context, MessageEvent e) throws Exception {
if (e.getMessage() instanceof HttpRequest) {
HttpRequest message = (HttpRequest) e.getMessage();
HttpResponse response;
if (new QueryStringDecoder(message.getUri()).getPath().equals(START_TIME_PATH)) {
response = new DefaultHttpResponse(HTTP_1_1, OK);
response.setHeader("Access-Control-Allow-Origin", "*");
response.setContent(
ChannelBuffers.copiedBuffer(getApplicationStartTime(), CharsetUtil.US_ASCII));
} else {
response = new DefaultHttpResponse(HTTP_1_1, NOT_FOUND);
}
context.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
}
}
public void process(Socket socket) {
SocketInputStream input = null;
OutputStream output = null;
try {
input = new SocketInputStream(socket.getInputStream(), 2048);
output = socket.getOutputStream();
// create HttpRequest object and parse
request = new HttpRequest(input);
// create HttpResponse object
response = new HttpResponse(output);
response.setRequest(request);
response.setHeader("Server", "Pyrmont Servlet Container");
parseRequest(input, output);
parseHeaders(input);
// check if this is a request for a servlet or a static resource
// a request for a servlet begins with "/servlet/"
if (request.getRequestURI().startsWith("/servlet/")) {
ServletProcessor processor = new ServletProcessor();
processor.process(request, response);
} else {
StaticResourceProcessor processor = new StaticResourceProcessor();
processor.process(request, response);
}
// Close the socket
socket.close();
// no shutdown for this application
} catch (Exception e) {
e.printStackTrace();
}
}
public static void addServer(HttpResponse response) {
if (getServerHeaderValue() != null) {
response.setHeader(SERVER, getServerHeaderValue());
}
}
public static void addDate(HttpResponse response, Date date) {
response.setHeader(DATE, DATE_FORMAT.get().format(date));
}
public static void addAllowAnyOrigin(HttpResponse response) {
response.setHeader(ACCESS_CONTROL_ALLOW_ORIGIN, "*");
}
public void copyResponse(
ChannelHandlerContext ctx, Request request, Response response, HttpRequest nettyRequest)
throws Exception {
Logger.trace("copyResponse: begin");
// response.out.flush();
// Decide whether to close the connection or not.
HttpResponse nettyResponse =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(response.status));
if (exposePlayServer) {
nettyResponse.setHeader(SERVER, signature);
}
if (response.contentType != null) {
nettyResponse.setHeader(
CONTENT_TYPE,
response.contentType
+ (response.contentType.startsWith("text/")
&& !response.contentType.contains("charset")
? "; charset=utf-8"
: ""));
} else {
nettyResponse.setHeader(CONTENT_TYPE, "text/plain; charset=utf-8");
}
addToResponse(response, nettyResponse);
final Object obj = response.direct;
File file = null;
ChunkedInput stream = null;
InputStream is = null;
if (obj instanceof File) {
file = (File) obj;
} else if (obj instanceof InputStream) {
is = (InputStream) obj;
} else if (obj instanceof ChunkedInput) {
stream = (ChunkedInput) obj;
}
final boolean keepAlive = isKeepAlive(nettyRequest);
if (file != null && file.isFile()) {
try {
nettyResponse = addEtag(nettyRequest, nettyResponse, file);
if (nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
Channel ch = ctx.getChannel();
// Write the initial line and the header.
ChannelFuture writeFuture = ch.write(nettyResponse);
if (!keepAlive) {
// Close the connection when the whole content is written out.
writeFuture.addListener(ChannelFutureListener.CLOSE);
}
} else {
nettyResponse.setHeader(
CONTENT_TYPE, MimeTypes.getContentType(file.getName(), "text/plain"));
final RandomAccessFile raf = new RandomAccessFile(file, "r");
try {
long fileLength = raf.length();
if (keepAlive) {
// Add 'Content-Length' header only for a keep-alive connection.
Logger.trace("file length is [" + fileLength + "]");
setContentLength(nettyResponse, fileLength);
}
Channel ch = ctx.getChannel();
// Write the initial line and the header.
ChannelFuture writeFuture = ch.write(nettyResponse);
// Write the content.
// If it is not a HEAD
if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)) {
writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));
} else {
raf.close();
}
if (!keepAlive) {
// Close the connection when the whole content is written out.
writeFuture.addListener(ChannelFutureListener.CLOSE);
}
} catch (Throwable exx) {
try {
raf.close();
} catch (Throwable ex) {
/* Left empty */
}
try {
ctx.getChannel().close();
} catch (Throwable ex) {
/* Left empty */
}
}
}
} catch (Exception e) {
throw e;
}
} else if (is != null) {
ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)
&& !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
writeFuture = ctx.getChannel().write(new ChunkedStream(is));
} else {
is.close();
}
if (!keepAlive) {
writeFuture.addListener(ChannelFutureListener.CLOSE);
}
} else if (stream != null) {
ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)
&& !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
writeFuture = ctx.getChannel().write(stream);
} else {
stream.close();
}
if (!keepAlive) {
writeFuture.addListener(ChannelFutureListener.CLOSE);
}
} else {
writeResponse(ctx, response, nettyResponse, nettyRequest);
}
Logger.trace("copyResponse: end");
}
// TODO: add request and response as parameter
public static void serve500(Exception e, ChannelHandlerContext ctx, HttpRequest nettyRequest) {
Logger.trace("serve500: begin");
HttpResponse nettyResponse =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
if (exposePlayServer) {
nettyResponse.setHeader(SERVER, signature);
}
Request request = Request.current();
Response response = Response.current();
try {
if (!(e instanceof PlayException)) {
e = new play.exceptions.UnexpectedException(e);
}
// Flush some cookies
try {
Map<String, Http.Cookie> cookies = response.cookies;
for (Http.Cookie cookie : cookies.values()) {
CookieEncoder encoder = new CookieEncoder(true);
Cookie c = new DefaultCookie(cookie.name, cookie.value);
c.setSecure(cookie.secure);
c.setPath(cookie.path);
if (cookie.domain != null) {
c.setDomain(cookie.domain);
}
if (cookie.maxAge != null) {
c.setMaxAge(cookie.maxAge);
}
c.setHttpOnly(cookie.httpOnly);
encoder.addCookie(c);
nettyResponse.addHeader(SET_COOKIE, encoder.encode());
}
} catch (Exception exx) {
Logger.error(e, "Trying to flush cookies");
// humm ?
}
Map<String, Object> binding = getBindingForErrors(e, true);
String format = request.format;
if (format == null) {
format = "txt";
}
nettyResponse.setHeader(
"Content-Type", (MimeTypes.getContentType("500." + format, "text/plain")));
try {
String errorHtml = TemplateLoader.load("errors/500." + format).render(binding);
ChannelBuffer buf = ChannelBuffers.copiedBuffer(errorHtml.getBytes("utf-8"));
nettyResponse.setContent(buf);
ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
writeFuture.addListener(ChannelFutureListener.CLOSE);
Logger.error(
e, "Internal Server Error (500) for request %s", request.method + " " + request.url);
} catch (Throwable ex) {
Logger.error(
e, "Internal Server Error (500) for request %s", request.method + " " + request.url);
Logger.error(ex, "Error during the 500 response generation");
try {
ChannelBuffer buf =
ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8"));
nettyResponse.setContent(buf);
ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
writeFuture.addListener(ChannelFutureListener.CLOSE);
} catch (UnsupportedEncodingException fex) {
Logger.error(fex, "(utf-8 ?)");
}
}
} catch (Throwable exxx) {
try {
ChannelBuffer buf =
ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8"));
nettyResponse.setContent(buf);
ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
writeFuture.addListener(ChannelFutureListener.CLOSE);
} catch (Exception fex) {
Logger.error(fex, "(utf-8 ?)");
}
if (exxx instanceof RuntimeException) {
throw (RuntimeException) exxx;
}
throw new RuntimeException(exxx);
}
Logger.trace("serve500: end");
}
public void serveStatic(
RenderStatic renderStatic,
ChannelHandlerContext ctx,
Request request,
Response response,
HttpRequest nettyRequest,
MessageEvent e) {
Logger.trace("serveStatic: begin");
HttpResponse nettyResponse =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(response.status));
if (exposePlayServer) {
nettyResponse.setHeader(SERVER, signature);
}
try {
VirtualFile file = Play.getVirtualFile(renderStatic.file);
if (file != null && file.exists() && file.isDirectory()) {
file = file.child("index.html");
if (file != null) {
renderStatic.file = file.relativePath();
}
}
if ((file == null || !file.exists())) {
serve404(
new NotFound("The file " + renderStatic.file + " does not exist"),
ctx,
request,
nettyRequest);
} else {
boolean raw = false;
for (PlayPlugin plugin : Play.plugins) {
if (plugin.serveStatic(file, Request.current(), Response.current())) {
raw = true;
break;
}
}
if (raw) {
copyResponse(ctx, request, response, nettyRequest);
} else {
final File localFile = file.getRealFile();
final boolean keepAlive = isKeepAlive(nettyRequest);
nettyResponse = addEtag(nettyRequest, nettyResponse, localFile);
if (nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
Channel ch = e.getChannel();
// Write the initial line and the header.
ChannelFuture writeFuture = ch.write(nettyResponse);
if (!keepAlive) {
// Write the content.
writeFuture.addListener(ChannelFutureListener.CLOSE);
}
} else {
final RandomAccessFile raf = new RandomAccessFile(localFile, "r");
try {
long fileLength = raf.length();
Logger.trace("keep alive " + keepAlive);
Logger.trace(
"content type " + (MimeTypes.getContentType(localFile.getName(), "text/plain")));
if (keepAlive && !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
// Add 'Content-Length' header only for a keep-alive connection.
Logger.trace("file length " + fileLength);
setContentLength(nettyResponse, fileLength);
}
nettyResponse.setHeader(
CONTENT_TYPE, (MimeTypes.getContentType(localFile.getName(), "text/plain")));
Channel ch = e.getChannel();
// Write the initial line and the header.
ChannelFuture writeFuture = ch.write(nettyResponse);
// Write the content.
if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)) {
writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));
} else {
raf.close();
}
if (!keepAlive) {
// Close the connection when the whole content is written out.
writeFuture.addListener(ChannelFutureListener.CLOSE);
}
} catch (Throwable exx) {
try {
raf.close();
} catch (Throwable ex) {
/* Left empty */
}
try {
ctx.getChannel().close();
} catch (Throwable ex) {
/* Left empty */
}
}
}
}
}
} catch (Throwable ez) {
Logger.error(ez, "serveStatic for request %s", request.method + " " + request.url);
try {
HttpResponse errorResponse =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
ChannelBuffer buf =
ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8"));
errorResponse.setContent(buf);
ChannelFuture future = ctx.getChannel().write(errorResponse);
future.addListener(ChannelFutureListener.CLOSE);
} catch (Exception ex) {
Logger.error(ez, "serveStatic for request %s", request.method + " " + request.url);
}
}
Logger.trace("serveStatic: end");
}
public static HttpResponse create(String contentType) {
HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
response.setHeader(CONTENT_TYPE, contentType);
return response;
}
protected HttpResponse doRequest(HttpRequest request, RequestLine requestLine)
throws IOException, MuleException {
Map headers = parseHeaders(request);
// TODO Mule 2.0 generic way to set stream message adapter
MessageAdapter adapter = buildStandardAdapter(request, headers);
MuleMessage message = new DefaultMuleMessage(adapter, connector.getMuleContext());
String path = (String) message.getProperty(HttpConnector.HTTP_REQUEST_PROPERTY);
int i = path.indexOf('?');
if (i > -1) {
path = path.substring(0, i);
}
message.setProperty(HttpConnector.HTTP_REQUEST_PATH_PROPERTY, path);
if (logger.isDebugEnabled()) {
logger.debug(message.getProperty(HttpConnector.HTTP_REQUEST_PROPERTY));
}
// determine if the request path on this request denotes a different receiver
MessageReceiver receiver = getTargetReceiver(message, endpoint);
HttpResponse response;
// the response only needs to be transformed explicitly if
// A) the request was not served or B) a null result was returned
if (receiver != null) {
message.setProperty(
HttpConnector.HTTP_CONTEXT_PATH_PROPERTY,
HttpConnector.normalizeUrl(receiver.getEndpointURI().getPath()));
preRouteMessage(message);
MuleMessage returnMessage = receiver.routeMessage(message, endpoint.isSynchronous(), null);
Object tempResponse;
if (returnMessage != null) {
tempResponse = returnMessage.getPayload();
} else {
tempResponse = NullPayload.getInstance();
}
// This removes the need for users to explicitly adding the response transformer
// ObjectToHttpResponse in their config
if (tempResponse instanceof HttpResponse) {
response = (HttpResponse) tempResponse;
} else {
response = transformResponse(returnMessage);
}
response.setupKeepAliveFromRequestVersion(request.getRequestLine().getHttpVersion());
HttpConnector httpConnector = (HttpConnector) connector;
response.disableKeepAlive(!httpConnector.isKeepAlive());
Header connectionHeader = request.getFirstHeader("Connection");
if (connectionHeader != null) {
String value = connectionHeader.getValue();
boolean endpointOverride = getEndpointKeepAliveValue(endpoint);
if ("keep-alive".equalsIgnoreCase(value) && endpointOverride) {
response.setKeepAlive(true);
Header header =
new Header(
HttpConstants.HEADER_KEEP_ALIVE,
"timeout=" + httpConnector.getKeepAliveTimeout());
response.addHeader(header);
if (response.getHttpVersion().equals(HttpVersion.HTTP_1_0)) {
connectionHeader = new Header(HttpConstants.HEADER_CONNECTION, "Keep-Alive");
response.setHeader(connectionHeader);
}
} else if ("close".equalsIgnoreCase(value)) {
response.setKeepAlive(false);
}
}
} else {
response = buildFailureResponse(requestLine, message);
}
return response;
}