public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
PrintWriter out;
res.setContentType("text/html; charset = EUC-KR");
out = res.getWriter();
out.println("<html>");
out.println("<head><title>Request 정보출력 Servlet</title></head>");
out.println("<body>");
out.println("<h3>네트워크 관련 요청정보</h3>");
out.println("<pre>");
out.println("Request Scheme : " + req.getScheme());
out.println("Server Name : " + req.getServerName());
out.println("Server Address : " + req.getLocalAddr());
out.println("Server Port : " + req.getServerPort());
out.println("Client Address : " + req.getRemoteAddr());
out.println("Client Host : " + req.getRemoteHost());
out.println("Client Port : " + req.getRemotePort());
out.println("</pre>");
out.println("</body></html>");
}
@SuppressWarnings({"PMD.AvoidCatchingThrowable", "PMD.AvoidInstanceofChecksInCatchClause"})
private void handle(
ServletRequestHandler pReqHandler, HttpServletRequest pReq, HttpServletResponse pResp)
throws IOException {
JSONAware json = null;
try {
// Check access policy
requestHandler.checkAccess(
pReq.getRemoteHost(), pReq.getRemoteAddr(), getOriginOrReferer(pReq));
// Remember the agent URL upon the first request. Needed for discovery
updateAgentDetailsIfNeeded(pReq);
// Dispatch for the proper HTTP request method
json = handleSecurely(pReqHandler, pReq, pResp);
} catch (Throwable exp) {
json =
requestHandler.handleThrowable(
exp instanceof RuntimeMBeanException
? ((RuntimeMBeanException) exp).getTargetException()
: exp);
} finally {
setCorsHeader(pReq, pResp);
String callback = pReq.getParameter(ConfigKey.CALLBACK.getKeyValue());
String answer =
json != null
? json.toJSONString()
: requestHandler
.handleThrowable(new Exception("Internal error while handling an exception"))
.toJSONString();
if (callback != null) {
// Send a JSONP response
sendResponse(pResp, "text/javascript", callback + "(" + answer + ");");
} else {
sendResponse(pResp, getMimeType(pReq), answer);
}
}
}
/**
* Show details about the request
*
* @param servlet used to get teh servlet context, may be null
* @param req the request
* @return string showing the details of the request.
*/
public static String showRequestDetail(HttpServlet servlet, HttpServletRequest req) {
StringBuilder sbuff = new StringBuilder();
sbuff.append("Request Info\n");
sbuff.append(" req.getServerName(): ").append(req.getServerName()).append("\n");
sbuff.append(" req.getServerPort(): ").append(req.getServerPort()).append("\n");
sbuff.append(" req.getContextPath:").append(req.getContextPath()).append("\n");
sbuff.append(" req.getServletPath:").append(req.getServletPath()).append("\n");
sbuff.append(" req.getPathInfo:").append(req.getPathInfo()).append("\n");
sbuff.append(" req.getQueryString:").append(req.getQueryString()).append("\n");
sbuff
.append(" getQueryStringDecoded:")
.append(EscapeStrings.urlDecode(req.getQueryString()))
.append("\n");
/*try {
sbuff.append(" getQueryStringDecoded:").append(URLDecoder.decode(req.getQueryString(), "UTF-8")).append("\n");
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}*/
sbuff.append(" req.getRequestURI:").append(req.getRequestURI()).append("\n");
sbuff.append(" getRequestBase:").append(getRequestBase(req)).append("\n");
sbuff.append(" getRequestServer:").append(getRequestServer(req)).append("\n");
sbuff.append(" getRequest:").append(getRequest(req)).append("\n");
sbuff.append("\n");
sbuff.append(" req.getPathTranslated:").append(req.getPathTranslated()).append("\n");
String path = req.getPathTranslated();
if ((path != null) && (servlet != null)) {
ServletContext context = servlet.getServletContext();
sbuff.append(" getMimeType:").append(context.getMimeType(path)).append("\n");
}
sbuff.append("\n");
sbuff.append(" req.getScheme:").append(req.getScheme()).append("\n");
sbuff.append(" req.getProtocol:").append(req.getProtocol()).append("\n");
sbuff.append(" req.getMethod:").append(req.getMethod()).append("\n");
sbuff.append("\n");
sbuff.append(" req.getContentType:").append(req.getContentType()).append("\n");
sbuff.append(" req.getContentLength:").append(req.getContentLength()).append("\n");
sbuff.append(" req.getRemoteAddr():").append(req.getRemoteAddr());
try {
sbuff
.append(" getRemoteHost():")
.append(java.net.InetAddress.getByName(req.getRemoteHost()).getHostName())
.append("\n");
} catch (java.net.UnknownHostException e) {
sbuff.append(" getRemoteHost():").append(e.getMessage()).append("\n");
}
sbuff.append(" getRemoteUser():").append(req.getRemoteUser()).append("\n");
sbuff.append("\n");
sbuff.append("Request Parameters:\n");
Enumeration params = req.getParameterNames();
while (params.hasMoreElements()) {
String name = (String) params.nextElement();
String values[] = req.getParameterValues(name);
if (values != null) {
for (int i = 0; i < values.length; i++) {
sbuff
.append(" ")
.append(name)
.append(" (")
.append(i)
.append("): ")
.append(values[i])
.append("\n");
}
}
}
sbuff.append("\n");
sbuff.append("Request Headers:\n");
Enumeration names = req.getHeaderNames();
while (names.hasMoreElements()) {
String name = (String) names.nextElement();
Enumeration values = req.getHeaders(name); // support multiple values
if (values != null) {
while (values.hasMoreElements()) {
String value = (String) values.nextElement();
sbuff.append(" ").append(name).append(": ").append(value).append("\n");
}
}
}
sbuff.append(" ------------------\n");
return sbuff.toString();
}
/** Common request handling. */
public void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resetState();
boolean success = false;
HttpSession session = req.getSession(false);
try {
this.req = req;
this.resp = resp;
if (log.isDebug()) {
logParams();
}
resp.setContentType("text/html");
if (!mayPageBeCached()) {
resp.setHeader("pragma", "no-cache");
resp.setHeader("Cache-control", "no-cache");
}
reqURL = new URL(UrlUtil.getRequestURL(req));
clientAddr = getLocalIPAddr();
// check that current user has permission to run this servlet
if (!isServletAllowed(myServletDescr())) {
displayWarningInLieuOfPage("You are not authorized to use " + myServletDescr().heading);
return;
}
// check whether servlet is disabled
String reason = ServletUtil.servletDisabledReason(myServletDescr().getServletName());
if (reason != null) {
displayWarningInLieuOfPage("This function is disabled. " + reason);
return;
}
if (session != null) {
session.setAttribute(SESSION_KEY_RUNNING_SERVLET, getHeading());
String reqHost = req.getRemoteHost();
String forw = req.getHeader(HttpFields.__XForwardedFor);
if (!StringUtil.isNullString(forw)) {
reqHost += " (proxies for " + forw + ")";
}
session.setAttribute(SESSION_KEY_REQUEST_HOST, reqHost);
}
lockssHandleRequest();
success = (errMsg == null);
} catch (ServletException e) {
log.error("Servlet threw", e);
throw e;
} catch (IOException e) {
log.error("Servlet threw", e);
throw e;
} catch (RuntimeException e) {
log.error("Servlet threw", e);
throw e;
} finally {
if (session != null) {
session.setAttribute(SESSION_KEY_RUNNING_SERVLET, null);
session.setAttribute(LockssFormAuthenticator.__J_AUTH_ACTIVITY, TimeBase.nowMs());
}
if ("please".equalsIgnoreCase(req.getHeader("X-Lockss-Result"))) {
log.debug3("X-Lockss-Result: " + (success ? "Ok" : "Fail"));
resp.setHeader("X-Lockss-Result", success ? "Ok" : "Fail");
}
resetMyLocals();
resetLocals();
}
}
@Override
public String getFromAddress() {
return req.getRemoteHost();
}