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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Virtual directories, PostResources, and DefaultServlet
Date Wed, 11 Apr 2018 14:37:35 GMT
Woonsan,

On 4/10/18 11:11 AM, Woonsan Ko wrote:
> On Tue, Apr 10, 2018 at 9:53 AM, Christopher Schultz
> <chris@christopherschultz.net> wrote:
>> All,
>>
>> I've been asked to take some static files we already have on our
>> (reverse-proxied) web servers and require authentication before allowing
>> the resources to be fetched by a client.
>>
>> One way to do that would be to physically (electronically?) move the
>> files from the web servers to the application servers, either as a part
>> of the web application itself (tricky due to licensing issues of these
>> documents) or as a separate set of files in an arbitrary place on the
>> disk e.g. using <PostResources>.
>>
>> Before I do that, I was thinking that maybe I could point
>> <PostResources> at a (private) URL that points back to the location
>> where these files were already available. I was kind of hoping that
>> simply doing <PostResources base="http://static/files/here/"
>> webAppMount="/static" /> or something like that.
>>
>> It looks like the existing WebResourceSet implementations are all
>> disk-based resource providers.
>>
>> It also seems like writing a simple, read-only, "non-listable"
>> implementation of an HTTPResourceSet might work for me.
>>
>> So I'm looking for opinions on what I should do, here. I might be able
>> to hack-together an HttpResourceSet, but it probably won't benefit from
>> e.g. range-requests (the files I am serving are PDFs, which often
>> benefit from being able to perform range-requests) and might be fragile.
>>
>> I could move the files to the application servers, but then I need to
>> make that a part of my app-server build process and I'd like that to
>> remain as simple as possible.
>>
>> Finally, the files cannot go into revision-control due to licensing
>> restrictions, so we basically have to keep them ... "safe" until they
>> are deployed.
>>
>> Any ideas or suggestions?
> 
> How about Reverse Proxy Servlet Filter?
> - http://portals.apache.org/applications/webcontent2/reverse-proxy-module.html

I had thought about that, but in the end, I ended up just adding a build
target called "download-stuff" that puts the files into my web
application on each app server. Too bad 'ant' is really bad at
downloading multiple files over HTTP. :(

-chris

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