/**
* Display the Frame message and some attributes of our associated Resource. This method is called
* if the associated resource has been registered with <strong>registerOtherResource</strong> or
* if it's not a usual resource (FileResource, DirectoryResource)
*
* @param request The request to handle.
* @return A Reply instance.
* @exception ProtocolException if processing the request failed
* @exception ResourceException if an internal error occurs
*/
protected Reply getOtherResource(Request request)
throws ProtocolException, ResourceException { // get our associated Resource
FramedResource res = getResource();
// Create the HTML generator, and set titles:
HtmlGenerator g = new HtmlGenerator("FancyFrame");
g.append("<h1>FancyFrame output</h1>");
// emit the message
g.append("<p>", getMessage(), "</p>");
// display information about our Resource
g.append("<h2> Resource associated : </h2>");
g.append("<ul><li>Identifier : ", res.getIdentifier());
g.append("<li>Last Modified Time : ", new Date(res.getLastModified()).toString(), "</ul>");
// now emit the reply
Reply reply = createDefaultReply(request, HTTP.OK);
reply.setStream(g);
return reply;
}
/**
* The HEAD method, may emit a redirect
*
* @param request The request to handle.
* @exception ProtocolException If processsing the request failed.
* @exception ResourceException If the resource got a fatal error.
*/
public Reply head(Request request) throws ProtocolException, ResourceException {
String methods[] = getMethods();
if (methods != null) {
String reqmeth = request.getMethod();
boolean affected = false;
for (int i = 0; i < methods.length; i++) {
if (reqmeth.equals(methods[i])) {
affected = true;
break;
}
}
if (!affected) {
return super.head(request);
}
}
// now we can modify it :)
Reply reply = getRedirectReply(request);
reply.setStream((InputStream) null);
return reply;
}
/**
* We check that the date is in the right values otherwise, send a NOT_AVAILABLE and fills the
* right Retry-After header
*
* @return a Reply if blocked, null otherwise
*/
public synchronized ReplyInterface ingoingFilter(RequestInterface req) {
Request request = (Request) req;
Reply reply = null;
int n_year, n_month, n_week, n_day, n_time;
int a, b, n;
Calendar cal = Calendar.getInstance();
n_year = cal.get(Calendar.YEAR);
n_month = cal.get(Calendar.MONTH);
n_week = cal.get(Calendar.DAY_OF_WEEK);
n_day = cal.get(Calendar.DAY_OF_MONTH);
n_time =
cal.get(Calendar.HOUR_OF_DAY) * 3600
+ cal.get(Calendar.MINUTE) * 60
+ cal.get(Calendar.SECOND);
if (getDayRepeat()) { // check it if it is repeated every day
if ((n_time < a_time) || (n_time > b_time)) {
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
if (n_time < a_time) reply.setRetryAfter(a_time - n_time);
else reply.setRetryAfter(84600 + n_time - a_time);
}
} else if (getWeekRepeat()) { // check it if it is repeated every week
a = a_time + a_week * 86400;
b = b_time + b_week * 86400;
n = n_time + n_week * 86400;
if ((n < a) || (n > b)) {
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
if (n < a) reply.setRetryAfter(a - n);
else reply.setRetryAfter(84600 * 7 + n - a);
}
} else if (getMonthRepeat()) { // check it if it's repeated every month
a = a_time + a_day * 86400;
b = b_time + b_day * 86400;
n = n_time + n_day * 86400;
if ((n < a) || (n > b)) {
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
if (n < a) reply.setRetryAfter(a - n);
else {
cal.setTime(new Date(getLong(ATTR_DATE_START, -1)));
cal.set(Calendar.YEAR, n_year);
cal.set(Calendar.MONTH, n_month);
cal.roll(Calendar.MONTH, true);
reply.setRetryAfter(cal.getTime().getTime());
}
}
} else if (getYearRepeat()) { // check it if it's repeated every year
Calendar c_a = Calendar.getInstance();
Calendar c_b = Calendar.getInstance();
c_a.setTime(new Date(getLong(ATTR_DATE_START, -1)));
c_b.setTime(new Date(getLong(ATTR_DATE_END, -1)));
c_a.set(Calendar.YEAR, n_year);
c_b.set(Calendar.YEAR, n_year);
if (cal.before(c_a)) {
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
reply.setRetryAfter(c_a.getTime().getTime());
} else if (cal.after(c_b)) {
c_a.roll(Calendar.YEAR, true);
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
reply.setRetryAfter(c_a.getTime().getTime());
}
} else {
/* no repeat */
Calendar c_a = Calendar.getInstance();
Calendar c_b = Calendar.getInstance();
c_a.setTime(new Date(getLong(ATTR_DATE_START, -1)));
c_b.setTime(new Date(getLong(ATTR_DATE_END, -1)));
if (cal.before(c_a)) {
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
reply.setRetryAfter(c_a.getTime().getTime());
} else if (cal.after(c_b)) {
reply = request.makeReply(HTTP.SERVICE_UNAVAILABLE);
}
}
if (reply != null) {
HtmlGenerator g = new HtmlGenerator("Service Unavailable");
g.append("You may retry after the delay or the date given");
reply.setStream(g);
}
return reply;
}
/**
* build the redirect reply based on the request and the current configuration
*
* @param request The request to handle.
* @exception ProtocolException If processsing the request failed.
* @return a Reply
*/
private Reply getRedirectReply(Request request) throws ProtocolException {
String location = getLocation();
if (location == null) {
Reply error = request.makeReply(HTTP.INTERNAL_SERVER_ERROR);
error.setContent(
"The target RelocateResource doesn't define the"
+ " relocation location. The server is "
+ " misconfigured.");
throw new HTTPException(error);
} else {
Reply reply = null;
URL loc = null;
if (checkUse302()) {
reply = request.makeReply(HTTP.FOUND);
} else {
if (checkPermanentRedirect()) {
reply = request.makeReply(HTTP.MOVED_PERMANENTLY);
} else {
reply = request.makeReply(HTTP.TEMPORARY_REDIRECT);
}
}
try {
httpd server = (httpd) getServer();
String host = request.getHost();
if (host == null) loc = new URL(server.getURL(), location);
else {
int ic = host.indexOf(':');
if (ic < 0) {
loc =
new URL(
new URL(server.getURL().getProtocol(), host, server.getURL().getFile()),
location);
} else {
loc =
new URL(
new URL(
server.getURL().getProtocol(),
host.substring(0, ic),
Integer.parseInt(host.substring(ic + 1)),
server.getURL().getFile()),
location);
}
}
if (checkHandlePathInfo()) {
String pathinfo = (String) request.getState(PATH_INFO);
// Given the way pathinfo is computed, it starts with a /
try {
if (pathinfo != null) {
loc = new URL(loc.toExternalForm() + pathinfo);
}
} catch (MalformedURLException ex) {
resource
.getServer()
.errlog(
resource,
"This resource handle Pathinfo "
+ "but the request has an invalid "
+ "PATH_INFO state.");
}
if (request.hasQueryString()) {
try {
loc = new URL(loc.toExternalForm() + "?" + request.getQueryString());
} catch (MalformedURLException ex) {
resource
.getServer()
.errlog(
resource,
"This resource handle "
+ "Pathinfo but the "
+ "request has an "
+ "invalid "
+ "PATH_INFO state.");
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
reply.setLocation(loc);
HtmlGenerator g = new HtmlGenerator("Moved");
g.append(
"<P>This resources has moved, click on the link if your"
+ " browser doesn't support automatic redirection<BR>"
+ "<A HREF=\""
+ loc.toExternalForm()
+ "\">"
+ loc.toExternalForm()
+ "</A>");
reply.setStream(g);
return reply;
}
}
