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;;; Guile-Git --- GNU Guile bindings of libgit2
;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guile-Git.
;;;
;;; Guile-Git is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; Guile-Git is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guile-Git. If not, see <http://www.gnu.org/licenses/>.
(define-module (tests proxy)
#:use-module (git)
#:use-module (tests helpers)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-64)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:use-module (ice-9 match)
#:use-module (ice-9 threads)
#:use-module (web request)
#:use-module (web response)
#:use-module (web server)
#:use-module (web uri))
(define %proxy-port 12345)
(define-record-type <box>
(make-box value)
box?
(value box-ref box-set!))
(define (spawn-proxy box)
"Spawn an HTTP server that serves one request and stores it into BOX."
(define (handle-request request body)
(box-set! box request)
(values (build-response #:code 404)
#vu8()))
;; Create the socket here to ensure that the server's up and running when
;; this procedure returns.
(let* ((socket (socket AF_INET SOCK_STREAM 0))
(mutex (make-mutex))
(ready (make-condition-variable)))
(setsockopt socket SOL_SOCKET SO_REUSEPORT 1)
(bind socket AF_INET INADDR_LOOPBACK %proxy-port)
(with-mutex mutex
(call-with-new-thread
(lambda ()
(let* ((impl (lookup-server-impl 'http))
(server (open-server impl `(#:socket ,socket))))
(signal-condition-variable ready)
(serve-one-client handle-request impl server '())
(close-server impl server))))
(wait-condition-variable ready mutex
(+ (current-time) 10)))))
(define (clone-through-proxy url)
"Spawn a proxy, attempt to clone URL through that proxy, and return the
request received by the proxy."
(let ((box (make-box #f)))
(spawn-proxy box)
(let* ((fetch-options (make-fetch-options
#:proxy-url
;; Note: libgit2 wants a proper URL with a path.
(string-append "http://localhost:"
(number->string %proxy-port)
"/")))
(clone-options (make-clone-options
#:fetch-options fetch-options)))
(catch 'git-error
(lambda ()
(clone url "/tmp/guile-git-clone-test" clone-options))
(lambda _
(match (box-ref box)
((? request? request)
(list (request-method request)
(uri->string (request-uri request))))))))))
(test-begin "proxy")
;; Guile < 3.0.3 doesn't recognize the CONNECT method in (web http).
(when (string<? (version) "3.0.3")
(test-skip 1))
(test-equal "clone with HTTPS proxy"
'(CONNECT "example.org:443")
(clone-through-proxy "https://example.org/example.git"))
;; XXX: libgit2 1.0.1 doesn't support HTTP proxy, so we only test HTTPS. See
;; <https://github.com/libgit2/libgit2/issues/5650>.
(test-end "proxy")
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