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i2p.i2p/apps/routerconsole/jsp/viewtheme.jsp

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<%
/*
* USE CAUTION WHEN EDITING
* Trailing whitespace OR NEWLINE on the last line will cause
* IllegalStateExceptions !!!
*
* Note: this also handles /javadoc/ URLs
*
* Do not tag this file for translation.
*/
String uri = request.getRequestURI();
if (uri.endsWith(".css")) {
response.setContentType("text/css");
response.setCharacterEncoding("UTF-8");
} else if (uri.endsWith(".png")) {
response.setContentType("image/png");
} else if (uri.endsWith(".gif")) {
response.setContentType("image/gif");
} else if (uri.endsWith(".jpg")) {
response.setContentType("image/jpeg");
} else if (uri.endsWith(".ico")) {
response.setContentType("image/x-icon");
} else if (uri.endsWith(".svg")) {
response.setContentType("image/svg+xml");
} else if (uri.endsWith(".html")) {
// /javadoc/
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
} else if (uri.endsWith(".js")) {
// /javadoc/
response.setContentType("application/x-javascript");
response.setCharacterEncoding("UTF-8");
}
response.setHeader("Accept-Ranges", "none");
response.setHeader("X-Content-Type-Options", "nosniff");
/*
* User or plugin themes
* If the request is for /themes/console/foo/bar/baz,
* and the property routerconsole.theme.foo=/path/to/foo,
* get the file from /path/to/foo/bar/baz
*/
String themePath = null;
final String PFX = "/themes/console/";
if (uri.startsWith(PFX) && uri.length() > PFX.length() + 1) {
String theme = uri.substring(PFX.length());
int slash = theme.indexOf('/');
if (slash > 0) {
theme = theme.substring(0, slash);
themePath = net.i2p.I2PAppContext.getGlobalContext().getProperty("routerconsole.theme." + theme);
if (themePath != null)
uri = uri.substring(PFX.length() + theme.length()); // /bar/baz
}
}
String base;
if (themePath != null)
base = themePath;
else
base = net.i2p.I2PAppContext.getGlobalContext().getBaseDir().getAbsolutePath() +
java.io.File.separatorChar + "docs";
java.io.File file = new java.io.File(base, uri);
long lastmod = file.lastModified();
if (lastmod > 0) {
long iflast = request.getDateHeader("If-Modified-Since");
// iflast is -1 if not present; round down file time
if (iflast >= ((lastmod / 1000) * 1000)) {
response.setStatus(304);
return;
}
response.setDateHeader("Last-Modified", lastmod);
// cache for a day
response.setDateHeader("Expires", net.i2p.I2PAppContext.getGlobalContext().clock().now() + 86400000l);
response.setHeader("Cache-Control", "public, max-age=86400");
}
long length = file.length();
if (length > 0)
response.setHeader("Content-Length", Long.toString(length));
try {
net.i2p.util.FileUtil.readFile(uri, base, response.getOutputStream());
} catch (java.io.IOException ioe) {
// prevent 'Committed' IllegalStateException from Jetty
if (!response.isCommitted()) {
response.sendError(403, ioe.toString());
} else {
// not an error, happens when the browser closes the stream
net.i2p.I2PAppContext.getGlobalContext().logManager().getLog(getClass()).warn("Error serving " + uri, ioe);
// Jetty doesn't log this
throw ioe;
}
}
%>