brminv/backend/brminv.scm

131 lines
3.4 KiB
Scheme

;;
;; brminv.scm
;;
;; Main program of Brm Inventory - the server.
;;
;; ISC License
;;
;; Copyright 2023-2025 Brmlab, z.s.
;; Dominik Pantůček <dominik.pantucek@trustica.cz>
;;
;; Permission to use, copy, modify, and/or distribute this software
;; for any purpose with or without fee is hereby granted, provided
;; that the above copyright notice and this permission notice appear
;; in all copies.
;;
;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;
(import frontend
command-line
texts
spiffy
openssl
(chicken tcp)
intarweb
uri-common
(chicken string)
postgresql)
(define -port- (make-parameter #f))
(define -certificate- (make-parameter #f))
(define -key- (make-parameter #f))
(define -user- (make-parameter #f))
(define -group- (make-parameter #f))
(command-line
print-help
(-h () "This help"
(print banner-line)
(newline)
(print "Command-line options:")
(print-help)
(newline)
(exit 0))
(-license () "Show licensing terms"
(print banner-line)
(newline)
(print license)
(exit 0))
""
"Configuration options:"
(-p (port) "Listen port"
(-port- (string->number port)))
(-c (cert) "Certificate"
(-certificate- cert))
(-k (key) "Private key"
(-key- key))
(-u (user) "User to run as (if started as root)"
(-user- user))
(-g (group) "Group to run as (if started as root)"
(-group- group)))
(define ssl? (and (-certificate-) (-key-) #t))
(define port (or (-port-) (if ssl? 443 80)))
(print banner-line)
(print "Port: " port)
(print "SSL: " ssl?)
(when ssl?
(print " Certificate:" (-certificate-))
(print " Key:" (-key-)))
(define dbconn (connect "postgresql:///brmbar"))
(print dbconn)
(define listener
(if ssl?
(ssl-listen port)
(tcp-listen port)))
(when ssl?
(ssl-load-certificate-chain! listener (-certificate-))
(ssl-load-private-key! listener (-key-)))
(when (and (-user-) (-group-))
(switch-user/group (-user-) (-group-)))
(define (handle-request-by-path path)
(print (->string path-lst) (length path))
(define body
(cond ((equal? path-lst '(/ ""))
(print "index")
)
(else
"error"))))
(define (handle-api-calls)
#f)
(handle-not-found
(lambda (path)
(define upath (string-intersperse (map ->string (cdr (uri-path (request-uri (current-request))))) "/"))
(cond ((equal? upath "")
(send-response #:body (frontend-lookup "index.html")))
(else
(let ((maybe-asset (frontend-lookup upath #f)))
(cond (maybe-asset
(send-response
#:headers (let ((ext (car (reverse (string-split upath ".")))))
(cond ((equal? ext "css")
'((content-type #("text/css" ()))))
((equal? ext "js")
'((content-type #("text/javascript" ()))))
(else
'())))
#:body maybe-asset))
(else
(when (not (handle-api-calls))
(send-response #:body (frontend-lookup "index.html"))))))))))
(accept-loop listener
(if ssl?
ssl-accept
tcp-accept))