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i2p.i2p/apps/routerconsole/jsp/viewstat.jsp
2020-08-19 14:50:58 +00:00

108 lines
4.5 KiB
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<%
/*
* USE CAUTION WHEN EDITING
* Trailing whitespace OR NEWLINE on the last line will cause
* IllegalStateExceptions !!!
*
* Do not tag this file for translation.
*/
net.i2p.I2PAppContext ctx = net.i2p.I2PAppContext.getGlobalContext();
net.i2p.router.web.StatSummarizer ss = net.i2p.router.web.StatSummarizer.instance(ctx);
if (ss == null) {
response.sendError(403, "Stats disabled");
return;
}
boolean rendered = false;
/**** unused
String templateFile = request.getParameter("template");
if (templateFile != null) {
java.io.OutputStream cout = response.getOutputStream();
response.setContentType("image/png");
rendered = ss.renderPng(cout, templateFile);
}
****/
net.i2p.stat.Rate rate = null;
String stat = request.getParameter("stat");
String period = request.getParameter("period");
boolean fakeBw = (stat != null && ("bw.combined".equals(stat)));
net.i2p.stat.RateStat rs = null;
if (stat != null)
rs = ctx.statManager().getRate(stat);
if ( !rendered && ((rs != null) || fakeBw) ) {
long per = -1;
try {
if (fakeBw)
per = 60*1000;
else
per = Long.parseLong(period);
if (!fakeBw)
rate = rs.getRate(per);
if ( (rate != null) || (fakeBw) ) {
if (stat != null &&
(stat.indexOf('\n') >= 0 || stat.indexOf('\r') >= 0)) {
response.sendError(403, "param");
return;
}
java.io.OutputStream cout = response.getOutputStream();
String format = request.getParameter("format");
response.setHeader("X-Content-Type-Options", "nosniff");
if ("xml".equals(format)) {
if (!fakeBw) {
response.setContentType("text/xml");
response.setHeader("Content-Disposition", "attachment; filename=\"" + stat + ".xml\"");
rendered = ss.getXML(rate, cout);
}
} else {
response.setContentType("image/png");
response.setHeader("Content-Disposition", "inline; filename=\"" + stat + ".png\"");
// very brief 45 sec expire
response.setDateHeader("Expires", ctx.clock().now() + (45*1000));
response.setHeader("Accept-Ranges", "none");
// http://jira.codehaus.org/browse/JETTY-1346
// This doesn't actually appear in the response, but it fixes the problem,
// so Jetty must look for this header and close the connection.
response.setHeader("Connection", "Close");
int width = -1;
int height = -1;
int periodCount = -1;
int end = 0;
String str = request.getParameter("width");
if (str != null) try { width = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
str = request.getParameter("height");
if (str != null) try { height = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
str = request.getParameter("periodCount");
if (str != null) try { periodCount = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
str = request.getParameter("end");
if (str != null) try { end = Integer.parseInt(str); } catch (NumberFormatException nfe) {}
boolean hideLegend = Boolean.parseBoolean(request.getParameter("hideLegend"));
boolean hideGrid = Boolean.parseBoolean(request.getParameter("hideGrid"));
boolean hideTitle = Boolean.parseBoolean(request.getParameter("hideTitle"));
boolean showEvents = Boolean.parseBoolean(request.getParameter("showEvents"));
boolean showCredit = false;
if (request.getParameter("showCredit") != null)
showCredit = Boolean.parseBoolean(request.getParameter("showCredit"));
if (fakeBw)
rendered = ss.renderRatePng(cout, width, height, hideLegend, hideGrid, hideTitle, showEvents, periodCount, end, showCredit);
else
rendered = ss.renderPng(rate, cout, width, height, hideLegend, hideGrid, hideTitle, showEvents, periodCount, end, showCredit);
}
if (rendered)
cout.close();
//System.out.println("Rendered period " + per + " for the stat " + stat + "? " + rendered);
}
} catch (NumberFormatException nfe) {}
}
/*
* Send a 403 instead of a 404, because the server sends error.jsp
* for 404 errors, complete with the summary bar, which would be
* a huge load for a page full of graphs if there's a problem
*/
if (!rendered) {
if (stat != null) {
stat = net.i2p.data.DataHelper.stripHTML(stat);
response.sendError(403, "The stat " + stat + " is not available, it must be enabled for graphing on the stats configuration page.");
} else {
response.sendError(403, "No stat specified");
}
}
%>