GNU bug report logs - #42019
[PATCH 0/1] sources.json compliant with SWH loader

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Message #8 received at 42019 <at> debbugs.gnu.org (full text, mbox):

From: zimoun <zimon.toutoune <at> gmail.com>
To: 42019 <at> debbugs.gnu.org
Cc: zimoun <zimon.toutoune <at> gmail.com>
Subject: [PATCH 1/1] website: Add integrity to JSON sources.
Date: Tue, 23 Jun 2020 17:21:39 +0200

* website/apps/packages/builder.scm (origin->json): Add integrity field using
SRI format.
---
 website/apps/packages/builder.scm | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/website/apps/packages/builder.scm b/website/apps/packages/builder.scm
index d2bccd7..e20d672 100644
--- a/website/apps/packages/builder.scm
+++ b/website/apps/packages/builder.scm
@@ -46,6 +46,8 @@
   #:use-module (guix hg-download)
   #:use-module (guix utils)                       ;location
   #:use-module ((guix build download) #:select (maybe-expand-mirrors))
+  #:use-module ((guix base64) #:select (base64-encode))
+  #:use-module ((guix config) #:select (%guix-version))
   #:use-module (json)
   #:use-module (ice-9 match)
   #:use-module ((web uri) #:select (string->uri uri->string))
@@ -114,7 +116,7 @@
     ,@(cond ((or (eq? url-fetch method)
                  (eq? url-fetch/tarbomb method)
                  (eq? url-fetch/zipbomb method))
-             `(("url" . ,(list->vector
+             `(("urls" . ,(list->vector
                           (resolve
                            (match uri
                              ((? string? url) (list url))
@@ -128,6 +130,16 @@
             ((eq? hg-fetch method)
              `(("hg_url" . ,(hg-reference-url uri))))
             (else '()))
+    ,@(if (or (eq? url-fetch method)
+              (eq? url-fetch/tarbomb method)
+              (eq? url-fetch/zipbomb method))
+          (let* ((content-hash (origin-hash origin))
+                 (hash-value (content-hash-value content-hash))
+                 (hash-algorithm (content-hash-algorithm content-hash))
+                 (algorithm-string (symbol->string hash-algorithm)))
+            `(("integrity" . ,(string-append algorithm-string "-"
+                                             (base64-encode hash-value)))))
+          '())
     ,@(if (eq? method git-fetch)
           `(("git_ref" . ,(git-reference-commit uri)))
           '())
@@ -174,9 +186,11 @@
              scm->json))
 
 (define (sources-json-builder)
-  "Return a JSON page listing all the sources.
-
-See <https://forge.softwareheritage.org/D2025#51269>."
+  "Return a JSON page listing all the sources."
+  ;; The Software Heritage format is described here:
+  ;; https://forge.softwareheritage.org/source/swh-loader-core/browse/master/swh/loader/package/nixguix/tests/data/https_nix-community.github.io/nixpkgs-swh_sources.json
+  ;; And the loader is implemented here:
+  ;; https://forge.softwareheritage.org/source/swh-loader-core/browse/master/swh/loader/package/nixguix/
   (define (package->json package)
     `(,@(if (origin? (package-source package))
             (origin->json (package-source package))
@@ -185,7 +199,8 @@ See <https://forge.softwareheritage.org/D2025#51269>."
 
   (make-page "sources.json"
              `(("sources" . ,(list->vector (map package->json (all-packages))))
-               ("version" . "1"))
+               ("version" . "1")
+               ("revision" . ,%guix-version))
              scm->json))
 
 (define (index-builder)
-- 
2.26.2

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