sunet/scheme/httpd/http-top.scm

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2000-09-26 10:35:26 -04:00
;;; Scheme Underground Web Server -*- Scheme -*-
;;; Olin Shivers
;;; This file contains a few example top-level path-handlers and
;;; other useful fragments.
;;; - /h/<user>/<file-path> => serve <file-path> from ~user/public_html.
;;; - /seval You may POST Scheme code to this URL, and receive the output.
;;; - Otherwise, serve files from the standard HTTP demon repository.
(define ph1
(alist-path-dispatcher
`(("h" . ,(home-dir-handler "public_html"))
("seval" . ,seval-handler)
("cgi-bin" . ,(cgi-handler "/usr/local/etc/httpd/cgi-bin")))
(rooted-file-handler "/usr/local/etc/httpd/htdocs")))
;;; Do a rough approximation of NCSA httpd server semantics:
;;; - /~shivers/... serves file ~shivers/public_html/...
;;; - /cgi-bin/<prog> passes control to script
;;; /usr/local/etc/httpd/cgi-bin/<prog>
;;; - Otherwise, just serve files out of the standard directory.
(define ph2
(alist-path-dispatcher
`(("cgi-bin" . ,(cgi-handler "/usr/local/etc/httpd/cgi-bin")))
(tilde-home-dir-handler "public_html"
(rooted-file-handler "/usr/local/etc/httpd/htdocs"))))
;;; Greatest hits path handler.
(define ph3
(alist-path-dispatcher
`(("h" . ,(home-dir-handler "public_html"))
("seval" . ,seval-handler)
("cgi-bin" . ,(cgi-handler "/usr/local/etc/httpd/cgi-bin")))
(tilde-home-dir-handler "public_html"
(rooted-file-handler "/usr/local/etc/httpd/htdocs"))))
;;; Crank up a server on port 8001, first resetting our identity to
;;; user "nobody". Initialise the request-invariant part of the CGI
;;; env before starting.
(define (httpd1)
(set-gid (->uid "nobody"))
(set-uid (->gid "nobody"))
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(initialise-request-invariant-cgi-env)
(httpd (make-httpd-options with-path-handler ph
with-port 8001
with-root-directory "/usr/local/etc/httpd/htdocs")))