SocketIOServlet.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.servlet.ServletException
* javax.servlet.ServletOutputStream
* javax.servlet.http.HttpServletRequest
* javax.servlet.http.HttpServletResponse
* org.apache.commons.io.IOUtils
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.sling.SlingServlet
* org.apache.sling.api.SlingHttpServletRequest
* org.apache.sling.api.request.RequestPathInfo
* org.apache.sling.commons.json.JSONException
* org.apache.sling.commons.json.io.JSONWriter
* org.eclipse.jetty.websocket.api.WebSocketPolicy
* org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest
* org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse
* org.eclipse.jetty.websocket.servlet.WebSocketCreator
* org.eclipse.jetty.websocket.servlet.WebSocketServlet
* org.eclipse.jetty.websocket.servlet.WebSocketServletFactory
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.adobe.granite.socketio.impl;
import com.adobe.granite.socketio.impl.engine.EIOService;
import com.adobe.granite.socketio.impl.engine.EIOSocket;
import com.adobe.granite.socketio.impl.engine.EIOTransport;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.security.Principal;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.sling.SlingServlet;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.request.RequestPathInfo;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.io.JSONWriter;
import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse;
import org.eclipse.jetty.websocket.servlet.WebSocketCreator;
import org.eclipse.jetty.websocket.servlet.WebSocketServlet;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@SlingServlet(paths={"/bin/granite/socket.io", "/bin/granite/socket.io/socket.io.js", "/bin/granite/socket.io/validate.json"})
public class SocketIOServlet
extends WebSocketServlet
implements WebSocketCreator {
public static final String SOCKET_IO_PATH = "/bin/granite/socket.io";
public static final String SOCKET_IO_TOKEN_JSON_PATH = "/bin/granite/socket.io/validate.json";
public static final String SOCKET_IO_JS_PATH = "/bin/granite/socket.io/socket.io.js";
public static final String SOCKET_IO_JS_RESOURCE = "socket.io-1.3.5-min.js";
public static final String GRANITE_IO_JS_RESOURCE = "granite-socket.io.js";
private byte[] socket_io_js;
private long socket_io_js_date;
private static final Logger log = LoggerFactory.getLogger(SocketIOServlet.class);
@Reference
private EIOService engine;
/*
* WARNING - Removed try catching itself - possible behaviour change.
*/
public void init() throws ServletException {
ClassLoader old = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
super.init();
}
finally {
Thread.currentThread().setContextClassLoader(old);
}
}
public void configure(WebSocketServletFactory factory) {
factory.getPolicy().setIdleTimeout(this.engine.getPingTimeout());
factory.setCreator((WebSocketCreator)this);
}
public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp) {
try {
HttpServletRequest request = req.getHttpServletRequest();
String transport = request.getParameter("transport");
if (transport == null) {
log.error("engine.io request does not contain 'transport' request parameter.");
resp.sendError(404, "NOT FOUND");
return null;
}
if (!this.engine.isTransportSupported(transport)) {
log.error("transport '{}' is not supported.");
resp.sendError(404, "NOT FOUND");
return null;
}
EIOSocket socket = null;
String sid = request.getParameter("sid");
if (sid != null) {
socket = this.engine.getSocket(sid);
if (socket == null) {
log.error("unknown session id {}", (Object)sid);
resp.sendError(403, "FORBIDDEN");
}
} else {
String token = request.getParameter("token");
if (token != null) {
sid = this.engine.validateToken(token, request);
socket = this.engine.createSocket(sid, transport, request.getUserPrincipal());
log.debug("creating new client {}", (Object)socket.getId());
} else {
log.warn("initial engine.io request does not contain a 'token' request parameter.");
resp.sendError(403, "FORBIDDEN");
}
}
return socket == null ? null : socket.getTransport();
}
catch (IOException e) {
log.error("internal error", (Throwable)e);
return null;
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse resp) throws ServletException, IOException {
SlingHttpServletRequest req = (SlingHttpServletRequest)request;
String path = req.getRequestPathInfo().getResourcePath();
if ("/bin/granite/socket.io/socket.io.js".equals(path)) {
long ifms;
if (this.socket_io_js == null) {
this.socket_io_js_date = System.currentTimeMillis() / 1000 * 1000;
InputStream is0 = this.getClass().getResourceAsStream("socket.io-1.3.5-min.js");
InputStream is1 = this.getClass().getResourceAsStream("granite-socket.io.js");
ByteArrayOutputStream out = new ByteArrayOutputStream();
IOUtils.copy((InputStream)is0, (OutputStream)out);
IOUtils.copy((InputStream)is1, (OutputStream)out);
IOUtils.closeQuietly((InputStream)is0);
IOUtils.closeQuietly((InputStream)is1);
this.socket_io_js = out.toByteArray();
}
if ((ifms = req.getDateHeader("If-Modified-Since")) >= this.socket_io_js_date) {
resp.setStatus(304);
resp.flushBuffer();
return;
}
resp.setContentType("application/x-javascript");
resp.setCharacterEncoding("utf-8");
resp.setContentLength(this.socket_io_js.length);
resp.setDateHeader("Last-Modified", this.socket_io_js_date);
resp.getOutputStream().write(this.socket_io_js);
} else if ("/bin/granite/socket.io/validate.json".equals(path)) {
String token = this.engine.createSessionToken(request);
resp.setContentType("application/json");
resp.setCharacterEncoding("utf-8");
resp.setHeader("Cache-Control", "private, max-age=0, no-cache");
try {
JSONWriter w = new JSONWriter((Writer)resp.getWriter());
w.object();
w.key("token").value((Object)(token == null ? "" : token));
w.key("success").value((Object)"ok");
w.endObject();
}
catch (JSONException e) {
throw new IOException((Throwable)e);
}
resp.flushBuffer();
} else {
resp.sendError(404);
}
}
protected void bindEngine(EIOService eIOService) {
this.engine = eIOService;
}
protected void unbindEngine(EIOService eIOService) {
if (this.engine == eIOService) {
this.engine = null;
}
}
}