/**
* Return the request parameters as a Properties. Only the first value of multivalued parameters
* is included.
*/
Properties getParamsAsProps() {
Properties props = new Properties();
for (Enumeration en = req.getParameterNames(); en.hasMoreElements(); ) {
String name = (String) en.nextElement();
props.setProperty(name, req.getParameter(name));
}
return props;
}
/**
* Return the request parameters as a Map<String,String>. Only the first value of multivalued
* parameters is included.
*/
Map<String, String> getParamsAsMap() {
Map<String, String> map = new HashMap<String, String>();
for (Enumeration en = req.getParameterNames(); en.hasMoreElements(); ) {
String name = (String) en.nextElement();
map.put(name, req.getParameter(name));
}
return map;
}
protected String getRequestKey() {
String key = req.getPathInfo();
if (key != null && key.startsWith("/")) {
return key.substring(1);
}
return key;
}
protected void logParams() {
Enumeration en = req.getParameterNames();
while (en.hasMoreElements()) {
String name = (String) en.nextElement();
String vals[];
String dispval;
if (StringUtil.indexOfIgnoreCase(name, "passw") >= 0) {
dispval = req.getParameter(name).length() == 0 ? "" : "********";
} else if (log.isDebug2() && (vals = req.getParameterValues(name)).length > 1) {
dispval = StringUtil.separatedString(vals, ", ");
} else {
dispval = req.getParameter(name);
}
log.debug(name + " = " + dispval);
}
}
/** Get the current session, creating it if necessary (and set the timeout if so) */
protected HttpSession getSession() {
if (session == null) {
session = req.getSession(true);
if (session.isNew()) {
setSessionTimeout(session);
}
}
return session;
}
public MultiPartRequest getMultiPartRequest(int maxLen)
throws FormDataTooLongException, IOException {
if (req.getContentType() == null || !req.getContentType().startsWith("multipart/form-data")) {
return null;
}
if (req.getContentLength() > maxLen) {
throw new FormDataTooLongException(req.getContentLength() + " bytes, " + maxLen + " allowed");
}
MultiPartRequest multi = new MultiPartRequest(req);
if (log.isDebug2()) {
String[] parts = multi.getPartNames();
log.debug3("Multipart request, " + parts.length + " parts");
if (log.isDebug3()) {
for (int p = 0; p < parts.length; p++) {
String name = parts[p];
String cont = multi.getString(parts[p]);
log.debug3(name + ": " + cont);
}
}
}
multiReq = multi;
return multi;
}
public String getParameter(String name) {
String val = req.getParameter(name);
if (val == null && multiReq != null) {
val = multiReq.getString(name);
}
if (val == null) {
return null;
}
val = StringUtils.strip(val, " \t");
// if (StringUtil.isNullString(val)) {
if ("".equals(val)) {
return null;
}
return val;
}
protected boolean hasNoRoleParsm(String roleName) {
String noRoleParam = noRoleParams.get(roleName);
return (noRoleParam != null && !StringUtil.isNullString(req.getParameter(noRoleParam)));
}
protected boolean doesUserHaveRole(String role) {
if ((req.isUserInRole(role) || req.isUserInRole(ROLE_USER_ADMIN)) && !hasNoRoleParsm(role)) {
return true;
}
return hasTestRole(role);
}
// user predicates
String getUsername() {
Principal user = req.getUserPrincipal();
return user != null ? user.toString() : null;
}
/** Return true iff a session has already been established */
protected boolean hasSession() {
return req.getSession(false) != null;
}
/** 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();
}
}
