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author宋文武 <iyzsong@member.fsf.org>2019-05-10 21:27:40 +0800
committer宋文武 <iyzsong@member.fsf.org>2019-05-13 21:36:03 +0800
commit9bc8175cfa6b23c31f6c43531377d266456e430e (patch)
treee53e9d8bc28f7f5bf7ba5b8a4e9ca06fc5b8b57e
parent4074ee4ef793228e7ad288aa5d127e60bec8ffee (diff)
downloadguix-9bc8175cfa6b23c31f6c43531377d266456e430e.tar
guix-9bc8175cfa6b23c31f6c43531377d266456e430e.tar.gz
download: Support 'https_proxy'.
* guix/build/download.scm (setup-http-tunnel): New procedure. (open-connection-for-uri): Honor the 'https_proxy' environment variable.
-rw-r--r--guix/build/download.scm28
1 files changed, 22 insertions, 6 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm
index a64e0f0bd3..0c9c61de4b 100644
--- a/guix/build/download.scm
+++ b/guix/build/download.scm
@@ -380,6 +380,20 @@ ETIMEDOUT error is raised."
(apply throw args)
(loop (cdr addresses))))))))
+(define (setup-http-tunnel port uri)
+ "Establish over PORT an HTTP tunnel to the destination server of URI."
+ (define target
+ (string-append (uri-host uri) ":"
+ (number->string
+ (or (uri-port uri)
+ (match (uri-scheme uri)
+ ('http 80)
+ ('https 443))))))
+ (format port "CONNECT ~a HTTP/1.1\r\n" target)
+ (format port "Host: ~a\r\n\r\n" target)
+ (force-output port)
+ (read-response port))
+
(define* (open-connection-for-uri uri
#:key
timeout
@@ -393,21 +407,20 @@ VERIFY-CERTIFICATE? is true, verify HTTPS server certificates."
(define https?
(eq? 'https (uri-scheme uri)))
+ (define https-proxy (let ((proxy (getenv "https_proxy")))
+ (and (not (equal? proxy ""))
+ proxy)))
+
(let-syntax ((with-https-proxy
(syntax-rules ()
((_ exp)
;; For HTTPS URIs, honor 'https_proxy', not 'http_proxy'.
- ;; FIXME: Proxying is not supported for https.
(let ((thunk (lambda () exp)))
(if (and https?
(module-variable
(resolve-interface '(web client))
'current-http-proxy))
- (parameterize ((current-http-proxy #f))
- (when (and=> (getenv "https_proxy")
- (negate string-null?))
- (format (current-error-port)
- "warning: 'https_proxy' is ignored~%"))
+ (parameterize ((current-http-proxy https-proxy))
(thunk))
(thunk)))))))
(with-https-proxy
@@ -415,6 +428,9 @@ VERIFY-CERTIFICATE? is true, verify HTTPS server certificates."
;; Buffer input and output on this port.
(setvbuf s 'block %http-receive-buffer-size)
+ (when (and https? https-proxy)
+ (setup-http-tunnel s uri))
+
(if https?
(tls-wrap s (uri-host uri)
#:verify-certificate? verify-certificate?)