Hi all,
in my current project I need to _send_ large files to authorized users.
The server mustn't execute/display the files, even if it's a index.html.
The environment will be an Apache2-frontent, via mod_jk to a Tomcat
instance where Tapestry runs.
After some googleing I believe the best way to solve my problem this is
with mod_xsendfile. I've never used this before and since there seems to
be no documentation about this in Tapestry, I'm not sure how to
implement it the right way.
What I have now:
The component part:
[...]
@Property
private FileReference fileReference; // from DB with paths, size, etc.
@Inject
private RequestGlobals requestGlobals;
private void onActionFromSend() throws IOException {
[... security checks ...]
requestGlobals.getHTTPServletResponse().setHeader("X-Sendfile",
fileReference.absolutePath());
requestGlobals.getHTTPServletResponse().flushBuffer();
}
The template part for this component:
<t:actionlink t:id="send"
target="_blank">${fileReference.fileName}</t:actionlink>
Unfortunately my Apache environment isn't set up yet so I couldn't try
it and don't know if it works. But the main question is: Is it OK to use
requestGlobals the way as it's done in the code above?
I'm not sure what this would mean for the request process flow
(https://tapestry.apache.org/request-processing.html). I think it would
be disrupted somewhere between ComponentRequestHandler and
ComponentRequestHandlerTerminator.
A confirmation/correction/hit would be great :-)
René
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