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Please pardon the newbie questions, and I realize that it isn't strictly
Fossil-related, but I hope that can be forgiven as I'm trying to
contribute to the ecosystem.
I'm trying to create a server front-end that proxies requests to any
number of repositories, running the CGI based on URL parameters.
Unfortunately, the web servers I want to use don't directly support
CGIs, so I'm trying this as a suitable alternative to avoid running a
whole bunch of "fossil server"s.
The challenge, though, is that I didn't really know much about CGIs
until today. I'm trying to write a somewhat generalized CGI interface
for Node.js that accepts a request and proxies that to a CGI script,
with Fossil being my testbed.
Currently I have GETs mostly working (though I don't correctly handle
queries yet) and POSTs partially working. I'm having a particularly
tough time with this because there are lots of lists of environment
variables, I'm not sure what needs to be set to have a meaningful CGI
interaction, and the NCSA page most tutorials from circa 2003 like to
link to is no longer present. :) I only just now realized that I should
be passing CONTENT_TYPE, which I didn't find documented anywhere. And
now I actually seem to get bytes back from the CGI, albeit not in a
format that is meaningful to Fossil on the receiving end.
So my first question, is there any documentation on the lower-level
aspects of the CGI interface? What commands are exchanged, what
format/encoding they take, etc.?
Also, what format/encoding is the data exchanged between Fossil and the
CGI expected to use? Binary, base64 or something else?
Finally, I'm noticing that while my framework is somewhat respecting my
content-type setting on the data I pass to the CGI, it is appending
"charset=utf-8". Will this negatively impact Fossil?
Not sure if this will help, but here are some sample logs of Fossil
attempting to pass through my proxy.
POST from Fossil headers: { host: 'localhost:3000'
, 'user-agent': 'Fossil/[8474ca6747]'
, 'content-type': 'application/x-fossil'
, 'content-length': '59'
}
Sending from CGI through proxy: Body:
'\u0000\u0000\u0000\u0000x\ufffd\u0003\u0000\u0000\u0000\u0000\u0001'
with headers { Status: '200 OK'
, 'Cache-control': 'no-cache, no-store'
, 'Content-Type': 'application/x-fossil; charset=utf-8'
, 'Content-Length': '12'
}
And from Fossil I get:
1fossil: unknown command:
Thanks.
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