1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014, 2015 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Guy Fleury Iteriteka <hoonandon@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix download)
#:use-module (ice-9 match)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module (guix store)
#:autoload (guix build download) (url-fetch)
#:use-module (guix monads)
#:use-module (guix gexp)
#:use-module (guix utils)
#:use-module (web uri)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (%mirrors
%disarchive-mirrors
%download-fallback-test
(url-fetch* . url-fetch)
url-fetch/executable
url-fetch/tarbomb
url-fetch/zipbomb
download-to-store))
;;; Commentary:
;;;
;;; Produce fixed-output derivations with data fetched over HTTP or FTP.
;;;
;;; Code:
(define %mirrors
;; Mirror lists used when `mirror://' URLs are passed.
(let* ((gnu-mirrors
'(;; This one redirects to a (supposedly) nearby and (supposedly)
;; up-to-date mirror.
"https://ftpmirror.gnu.org/gnu/"
"ftp://ftp.cs.tu-berlin.de/pub/gnu/"
"ftp://ftp.funet.fi/pub/mirrors/ftp.gnu.org/gnu/"
;; This one is the master repository, and thus it's always
;; up-to-date.
"http://ftp.gnu.org/pub/gnu/")))
`((gnu ,@gnu-mirrors)
(gcc
"ftp://ftp.nluug.nl/mirror/languages/gcc/"
"ftp://ftp.fu-berlin.de/unix/languages/gcc/"
"ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/"
"ftp://gcc.gnu.org/pub/gcc/"
,@(map (cut string-append <> "/gcc") gnu-mirrors))
(gnupg
"http://artfiles.org/gnupg.org"
"http://www.crysys.hu/"
"https://gnupg.org/ftp/gcrypt/"
"ftp://mirrors.dotsrc.org/gcrypt/"
"ftp://mirror.cict.fr/gnupg/"
"ftp://ftp.franken.de/pub/crypt/mirror/ftp.gnupg.org/gcrypt/"
"ftp://ftp.freenet.de/pub/ftp.gnupg.org/gcrypt/"
"ftp://ftp.hi.is/pub/mirrors/gnupg/"
"ftp://ftp.heanet.ie/mirrors/ftp.gnupg.org/gcrypt/"
"ftp://ftp.bit.nl/mirror/gnupg/"
"ftp://ftp.surfnet.nl/pub/security/gnupg/"
"ftp://ftp.iasi.roedu.net/pub/mirrors/ftp.gnupg.org/"
"ftp://ftp.sunet.se/pub/security/gnupg/"
"ftp://mirror.switch.ch/mirror/gnupg/"
"ftp://mirror.tje.me.uk/pub/mirrors/ftp.gnupg.org/"
"ftp://ftp.mirrorservice.org/sites/ftp.gnupg.org/gcrypt/"
"ftp://ftp.ring.gr.jp/pub/net/gnupg/"
"ftp://ftp.gnupg.org/gcrypt/")
(gnome
"https://download.gnome.org/"
"http://ftp.gnome.org/pub/GNOME/"
"http://mirror.yandex.ru/mirrors/ftp.gnome.org/")
(hackage
"http://hackage.haskell.org/")
(savannah ; http://download0.savannah.gnu.org/mirmon/savannah/
"http://download.savannah.gnu.org/releases/"
"http://nongnu.freemirror.org/nongnu/"
"http://ftp.cc.uoc.gr/mirrors/nongnu.org/"
"http://ftp.twaren.net/Unix/NonGNU/"
"http://mirror.csclub.uwaterloo.ca/nongnu/"
"http://nongnu.askapache.com/"
"http://savannah.c3sl.ufpr.br/"
"http://download.savannah.gnu.org/releases-noredirect/"
"http://download-mirror.savannah.gnu.org/releases/"
"ftp://ftp.twaren.net/Unix/NonGNU/"
"ftp://mirror.csclub.uwaterloo.ca/nongnu/"
"ftp://mirror.publicns.net/pub/nongnu/"
"ftp://savannah.c3sl.ufpr.br/")
(sourceforge ; https://sourceforge.net/p/forge/documentation/Mirrors/
"http://downloads.sourceforge.net/project/"
"http://ufpr.dl.sourceforge.net/project/"
"http://heanet.dl.sourceforge.net/project/"
"http://freefr.dl.sourceforge.net/project/"
"http://internode.dl.sourceforge.net/project/"
"http://jaist.dl.sourceforge.net/project/"
"http://kent.dl.sourceforge.net/project/"
"http://liquidtelecom.dl.sourceforge.net/project/"
;; "http://nbtelecom.dl.sourceforge.net/project/" ;never returns 404s
"http://nchc.dl.sourceforge.net/project/"
"http://ncu.dl.sourceforge.net/project/"
"http://netcologne.dl.sourceforge.net/project/"
"http://netix.dl.sourceforge.net/project/"
"http://pilotfiber.dl.sourceforge.net/project/"
"http://superb-sea2.dl.sourceforge.net/project/"
"http://tenet.dl.sourceforge.net/project/"
"http://vorboss.dl.sourceforge.net/project/"
"http://netassist.dl.sourceforge.net/project/")
(netfilter.org ; https://www.netfilter.org/mirrors.html
"http://ftp.netfilter.org/pub/"
"ftp://ftp.es.netfilter.org/mirrors/netfilter/"
"ftp://ftp.hu.netfilter.org/"
"ftp://www.lt.netfilter.org/pub/")
(kernel.org
"http://linux-kernel.uio.no/pub/"
"http://kernel.osuosl.org/pub/"
"http://ftp.be.debian.org/pub/"
"http://mirror.linux.org.au/"
"ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/")
(apache ; from http://www.apache.org/mirrors/dist.html
"http://www.eu.apache.org/dist/"
"http://www.us.apache.org/dist/"
"https://ftp.nluug.nl/internet/apache/"
"http://apache.mirror.iweb.ca/"
"http://mirrors.ircam.fr/pub/apache/"
"http://apache.mirrors.ovh.net/ftp.apache.org/dist/"
"http://apache-mirror.rbc.ru/pub/apache/"
"ftp://ftp.osuosl.org/pub/apache/"
"http://mirrors.ibiblio.org/apache/"
;; As a last resort, try the archive.
"http://archive.apache.org/dist/")
(xorg ; from http://www.x.org/wiki/Releases/Download
"http://www.x.org/releases/" ; main mirrors
"http://mirror.csclub.uwaterloo.ca/x.org/" ; North America
"http://xorg.mirrors.pair.com/"
"http://mirror.us.leaseweb.net/xorg/"
"ftp://mirror.csclub.uwaterloo.ca/x.org/"
"ftp://xorg.mirrors.pair.com/"
"ftp://artfiles.org/x.org/" ; Europe
"ftp://ftp.chg.ru/pub/X11/x.org/"
"ftp://ftp.fu-berlin.de/unix/X11/FTP.X.ORG/"
"ftp://ftp.gwdg.de/pub/x11/x.org/"
"ftp://ftp.mirrorservice.org/sites/ftp.x.org/"
"ftp://ftp.ntua.gr/pub/X11/"
"ftp://ftp.piotrkosoft.net/pub/mirrors/ftp.x.org/"
"ftp://ftp.portal-to-web.de/pub/mirrors/x.org/"
"ftp://ftp.solnet.ch/mirror/x.org/"
"ftp://mi.mirror.garr.it/mirrors/x.org/"
"ftp://mirror.cict.fr/x.org/"
"ftp://mirror.switch.ch/mirror/X11/"
"ftp://mirrors.ircam.fr/pub/x.org/"
"ftp://x.mirrors.skynet.be/pub/ftp.x.org/"
"http://x.cs.pu.edu.tw/" ; East Asia
"ftp://ftp.cs.cuhk.edu.hk/pub/X11"
"ftp://ftp.u-aizu.ac.jp/pub/x11/x.org/"
"ftp://ftp.yz.yamagata-u.ac.jp/pub/X11/x.org/"
"ftp://ftp.kaist.ac.kr/x.org/"
"ftp://mirrors.go-part.com/xorg/"
"ftp://ftp.is.co.za/pub/x.org") ; South Africa
(cpan
"http://www.cpan.org/"
"http://cpan.metacpan.org/"
;; A selection of HTTP mirrors from http://www.cpan.org/SITES.html.
;; Europe.
"http://ftp.belnet.be/mirror/ftp.cpan.org/"
"http://mirrors.nic.cz/CPAN/"
"http://mirror.ibcp.fr/pub/CPAN/"
"http://ftp.ntua.gr/pub/lang/perl/"
"http://mirror.as43289.net/pub/CPAN/"
"http://cpan.cs.uu.nl/"
"http://cpan.uib.no/"
"http://cpan-mirror.rbc.ru/pub/CPAN/"
"http://mirror.sbb.rs/CPAN/"
"http://cpan.lnx.sk/"
"http://ftp.rediris.es/mirror/CPAN/"
"http://mirror.ox.ac.uk/sites/www.cpan.org/"
;; Africa.
"http://mirror.liquidtelecom.com/CPAN/"
"http://cpan.mirror.ac.za/"
"http://mirror.is.co.za/pub/cpan/"
"http://cpan.saix.net/"
"http://mirror.ucu.ac.ug/cpan/"
;; North America.
"http://mirrors.gossamer-threads.com/CPAN/"
"http://mirror.csclub.uwaterloo.ca/CPAN/"
"http://mirrors.ucr.ac.cr/CPAN/"
"http://www.msg.com.mx/CPAN/"
"http://mirrors.namecheap.com/CPAN/"
"http://mirror.uic.edu/CPAN/"
"http://mirror.datapipe.net/CPAN/"
"http://mirror.cc.columbia.edu/pub/software/cpan/"
"http://mirror.uta.edu/CPAN/"
;; South America.
"http://cpan.mmgdesigns.com.ar/"
"http://mirror.nbtelecom.com.br/CPAN/"
"http://linorg.usp.br/CPAN/"
"http://cpan.dcc.uchile.cl/"
"http://mirror.cedia.org.ec/CPAN/"
;; Oceania.
"http://cpan.mirror.serversaustralia.com.au/"
"http://mirror.waia.asn.au/pub/cpan/"
"http://mirror.as24220.net/pub/cpan/"
"http://cpan.lagoon.nc/pub/CPAN/"
"http://cpan.inspire.net.nz/"
;; Asia.
"http://mirror.dhakacom.com/CPAN/"
"http://mirrors.ustc.edu.cn/CPAN/"
"http://ftp.cuhk.edu.hk/pub/packages/perl/CPAN/"
"http://kambing.ui.ac.id/cpan/"
"http://cpan.hostiran.ir/"
"http://ftp.nara.wide.ad.jp/pub/CPAN/"
"http://mirror.neolabs.kz/CPAN/"
"http://cpan.nctu.edu.tw/"
"http://cpan.ulak.net.tr/"
"http://mirrors.vinahost.vn/CPAN/")
(cran
;; Arbitrary mirrors from http://cran.r-project.org/mirrors.html
;; This one automatically redirects to servers worldwide
"http://cran.r-project.org/"
"http://cran.rstudio.com/"
"http://cran.univ-lyon1.fr/"
"http://cran.ism.ac.jp/"
"http://cran.stat.auckland.ac.nz/"
"http://cran.mirror.ac.za/"
"http://cran.csie.ntu.edu.tw/")
(imagemagick
;; from http://www.imagemagick.org/script/download.php
;; (without mirrors that are unavailable or not up to date)
"https://sunsite.icm.edu.pl/packages/ImageMagick/releases"
"http://mirror.checkdomain.de/imagemagick/releases"
"ftp://ftp.u-aizu.ac.jp/pub/graphics/image/ImageMagick/imagemagick.org/releases"
"ftp://ftp.nluug.nl/pub/ImageMagick/"
"http://www.imagemagick.org/download/releases/"
;; Try this if all else fails (normally contains just the latest version).
"http://www.imagemagick.org/download/")
(debian
"http://ftp.de.debian.org/debian/"
"http://ftp.fr.debian.org/debian/"
"http://ftp.debian.org/debian/"
"http://archive.debian.org/debian/")
(kde
"http://download.kde.org"
"http://download.kde.org/Attic" ; for when it gets archived.
;; Mirrors from http://files.kde.org/extra/mirrors.html
;; Europe
"http://mirror.easyname.at/kde"
"http://mirror.karneval.cz/pub/kde"
"http://ftp.fi.muni.cz/pub/kde/"
"http://mirror.oss.maxcdn.com/kde/"
"http://ftp5.gwdg.de/pub/linux/kde/"
"http://ftp-stud.fht-esslingen.de/Mirrors/ftp.kde.org/pub/kde/"
"http://mirror.klaus-uwe.me/kde/ftp/"
"http://kde.beta.mirror.ga/"
"http://kde.alpha.mirror.ga/"
"http://mirror.netcologne.de/kde"
"http://vesta.informatik.rwth-aachen.de/ftp/pub/mirror/kde/"
"http://ftp.rz.uni-wuerzburg.de/pub/unix/kde/"
"http://mirrors.dotsrc.org/kde/"
"http://ftp.funet.fi/pub/mirrors/ftp.kde.org/pub/kde/"
"http://kde-mirror.freenux.org/"
"http://mirrors.ircam.fr/pub/KDE/"
"http://www-ftp.lip6.fr/pub/X11/kde/"
"http://fr2.rpmfind.net/linux/KDE/"
"http://kde.mirror.anlx.net/"
"http://www.mirrorservice.org/sites/ftp.kde.org/pub/kde/"
"http://ftp.heanet.ie/mirrors/ftp.kde.org/"
"http://ftp.nluug.nl/pub/windowing/kde/"
"http://ftp.surfnet.nl/windowing/kde/"
"http://ftp.icm.edu.pl/pub/unix/kde/"
"http://ftp.pbone.net/pub/kde/"
"http://piotrkosoft.net/pub/mirrors/ftp.kde.org/"
"http://mirrors.fe.up.pt/pub/kde/"
"http://ftp.iasi.roedu.net/pub/mirrors/ftp.kde.org/"
"http://ftp.acc.umu.se/mirror/kde.org/ftp/"
"http://kde.ip-connect.vn.ua/"
;; North America
"http://mirror.its.dal.ca/kde/"
"http://mirror.csclub.uwaterloo.ca/kde/"
"http://mirror.cc.columbia.edu/pub/software/kde/"
"http://kde.mirrors.hoobly.com/"
"http://ftp.ussg.iu.edu/kde/"
"http://mirrors.mit.edu/kde/"
"http://kde.mirrors.tds.net/pub/kde/"
;; Oceania
"http://ftp.kddlabs.co.jp/pub/X11/kde/"
"http://kde.mirror.uber.com.au/")
(openbsd
"https://ftp.openbsd.org/pub/OpenBSD/"
;; Anycast CDN redirecting to your friendly local mirror.
"https://mirrors.evowise.com/pub/OpenBSD/"
;; Other HTTPS mirrors from https://www.openbsd.org/ftp.html
"https://mirror.aarnet.edu.au/pub/OpenBSD/"
"https://ftp2.eu.openbsd.org/pub/OpenBSD/"
"https://openbsd.c3sl.ufpr.br/pub/OpenBSD/"
"https://openbsd.ipacct.com/pub/OpenBSD/"
"https://ftp.OpenBSD.org/pub/OpenBSD/"
"https://openbsd.cs.toronto.edu/pub/OpenBSD/"
"https://openbsd.delfic.org/pub/OpenBSD/"
"https://openbsd.mirror.netelligent.ca/pub/OpenBSD/"
"https://mirrors.ucr.ac.cr/pub/OpenBSD/"
"https://mirrors.dotsrc.org/pub/OpenBSD/"
"https://mirror.one.com/pub/OpenBSD/"
"https://ftp.fr.openbsd.org/pub/OpenBSD/"
"https://ftp2.fr.openbsd.org/pub/OpenBSD/"
"https://mirrors.ircam.fr/pub/OpenBSD/"
"https://ftp.spline.de/pub/OpenBSD/"
"https://mirror.hs-esslingen.de/pub/OpenBSD/"
"https://ftp.halifax.rwth-aachen.de/openbsd/"
"https://ftp.hostserver.de/pub/OpenBSD/"
"https://ftp.fau.de/pub/OpenBSD/"
"https://ftp.cc.uoc.gr/pub/OpenBSD/"
"https://openbsd.hk/pub/OpenBSD/"
"https://ftp.heanet.ie/pub/OpenBSD/"
"https://openbsd.mirror.garr.it/pub/OpenBSD/"
"https://mirror.litnet.lt/pub/OpenBSD/"
"https://mirror.meerval.net/pub/OpenBSD/"
"https://ftp.nluug.nl/pub/OpenBSD/"
"https://ftp.bit.nl/pub/OpenBSD/"
"https://mirrors.dalenys.com/pub/OpenBSD/"
"https://ftp.icm.edu.pl/pub/OpenBSD/"
"https://ftp.rnl.tecnico.ulisboa.pt/pub/OpenBSD/"
"https://mirrors.pidginhost.com/pub/OpenBSD/"
"https://mirror.yandex.ru/pub/OpenBSD/"
"https://ftp.eu.openbsd.org/pub/OpenBSD/"
"https://ftp.yzu.edu.tw/pub/OpenBSD/"
"https://www.mirrorservice.org/pub/OpenBSD/"
"https://anorien.csc.warwick.ac.uk/pub/OpenBSD/"
"https://mirror.bytemark.co.uk/pub/OpenBSD/"
"https://mirrors.sonic.net/pub/OpenBSD/"
"https://ftp3.usa.openbsd.org/pub/OpenBSD/"
"https://mirrors.syringanetworks.net/pub/OpenBSD/"
"https://openbsd.mirror.constant.com/pub/OpenBSD/"
"https://ftp4.usa.openbsd.org/pub/OpenBSD/"
"https://ftp5.usa.openbsd.org/pub/OpenBSD/"
"https://mirror.esc7.net/pub/OpenBSD/")
(mate
"https://pub.mate-desktop.org/releases/"
"http://pub.mate-desktop.org/releases/"))))
(define %mirror-file
;; Copy of the list of mirrors to a file. This allows us to keep a single
;; copy in the store, and computing it here avoids repeated calls to
;; 'object->string'.
(plain-file "mirrors" (object->string %mirrors)))
(define %content-addressed-mirrors
;; List of content-addressed mirrors. Each mirror is represented as a
;; procedure that takes a file name, an algorithm (symbol) and a hash
;; (bytevector), and returns a URL or #f.
'(begin
(use-modules (guix base16) (guix base32))
(define (guix-publish host)
(lambda (file algo hash)
;; Files served by 'guix publish' are accessible under a single
;; hash algorithm.
(string-append "https://" host "/file/"
file "/" (symbol->string algo) "/"
(bytevector->nix-base32-string hash))))
(list (guix-publish "ci.guix.gnu.org")
(lambda (file algo hash)
;; 'tarballs.nixos.org' supports several algorithms.
(string-append "https://tarballs.nixos.org/"
(symbol->string algo) "/"
(bytevector->nix-base32-string hash)))
(lambda (file algo hash)
;; Software Heritage usually archives VCS history rather than
;; tarballs, but tarballs are sometimes available (and can be
;; explicitly stored there.) For example, see
;; <https://archive.softwareheritage.org/api/1/content/sha256:92d0fa1c311cacefa89853bdb53c62f4110cdfda3820346b59cbd098f40f955e/>.
(string-append "https://archive.softwareheritage.org/api/1/content/"
(symbol->string algo) ":"
(bytevector->base16-string hash) "/raw/")))))
(define %content-addressed-mirror-file
;; Content-addressed mirrors stored in a file.
(plain-file "content-addressed-mirrors"
(object->string %content-addressed-mirrors)))
(define %no-mirrors-file
;; File specifying an empty list of mirrors, for fallback tests.
(plain-file "no-content-addressed-mirrors" (object->string ''())))
(define %disarchive-mirrors
;; TODO: Eventually turn into a procedure that takes a hash algorithm
;; (symbol) and hash (bytevector).
'("https://disarchive.guix.gnu.org/"
"https://disarchive.ngyro.com/"))
(define %disarchive-mirror-file
(plain-file "disarchive-mirrors" (object->string %disarchive-mirrors)))
(define %no-disarchive-mirrors-file
;; File specifying an empty list of Disarchive mirrors, for fallback tests.
(plain-file "no-disarchive-mirrors" (object->string '())))
(define built-in-builders*
(store-lift built-in-builders))
(define* (built-in-download file-name url
#:key system hash-algo hash
mirrors content-addressed-mirrors
disarchive-mirrors
executable?
(guile 'unused))
"Download FILE-NAME from URL using the built-in 'download' builder. When
EXECUTABLE? is true, make the downloaded file executable.
This is an \"out-of-band\" download in that the returned derivation does not
explicitly depend on Guile, GnuTLS, etc. Instead, the daemon performs the
download by itself using its own dependencies."
(mlet %store-monad ((mirrors (lower-object mirrors))
(content-addressed-mirrors
(lower-object content-addressed-mirrors))
(disarchive-mirrors (lower-object disarchive-mirrors)))
(raw-derivation file-name "builtin:download" '()
#:system system
#:hash-algo hash-algo
#:hash hash
#:recursive? executable?
#:sources (list mirrors
content-addressed-mirrors
disarchive-mirrors)
;; Honor the user's proxy and locale settings.
#:leaked-env-vars '("http_proxy" "https_proxy"
"LC_ALL" "LC_MESSAGES" "LANG"
"COLUMNS")
#:env-vars `(("url" . ,(object->string url))
("mirrors" . ,mirrors)
("content-addressed-mirrors"
. ,content-addressed-mirrors)
("disarchive-mirrors" . ,disarchive-mirrors)
,@(if executable?
'(("executable" . "1"))
'()))
;; Do not offload this derivation because we cannot be
;; sure that the remote daemon supports the 'download'
;; built-in. We may remove this limitation when support
;; for that built-in is widespread.
#:local-build? #t)))
(define %download-fallback-test
;; Define whether to test one of the download fallback mechanism. Possible
;; values are:
;;
;; - #f, to use the normal download methods, not trying to exercise the
;; fallback mechanism;
;;
;; - 'none, to disable all the fallback mechanisms;
;;
;; - 'content-addressed-mirrors, to purposefully attempt to download from
;; a content-addressed mirror;
;;
;; - 'disarchive-mirrors, to download from Disarchive + Software Heritage.
;;
;; This is meant to be used for testing purposes.
(make-parameter (and=> (getenv "GUIX_DOWNLOAD_FALLBACK_TEST")
string->symbol)))
(define* (url-fetch* url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile))
executable?)
"Return a fixed-output derivation that fetches data from URL (a string, or a
list of strings denoting alternate URLs), which is expected to have hash HASH
of type HASH-ALGO (a symbol). By default, the file name is the base name of
URL; optionally, NAME can specify a different file name. When EXECUTABLE? is
true, make the downloaded file executable.
When one of the URL starts with mirror://, then its host part is
interpreted as the name of a mirror scheme, taken from %MIRROR-FILE.
Alternatively, when URL starts with file://, return the corresponding file
name in the store."
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(let ((uri (and (string? url) (string->uri url))))
(if (or (and (string? url) (not uri))
(and uri (memq (uri-scheme uri) '(#f file))))
(interned-file (if uri (uri-path uri) url)
(or name file-name))
(mlet %store-monad ((builtins (built-in-builders*)))
;; The "download" built-in builder was added in guix-daemon in
;; Nov. 2016 and made it in the 0.12.0 release of Dec. 2016. We now
;; require it.
(unless (member "download" builtins)
(error "'guix-daemon' is too old, please upgrade" builtins))
(built-in-download (or name file-name)
(match (%download-fallback-test)
((or #f 'none) url)
(_ "https://example.org/does-not-exist"))
#:guile guile
#:system system
#:hash-algo hash-algo
#:hash hash
#:executable? executable?
#:mirrors %mirror-file
#:content-addressed-mirrors
(match (%download-fallback-test)
((or #f 'content-addressed-mirrors)
%content-addressed-mirror-file)
(_ %no-mirrors-file))
#:disarchive-mirrors
(match (%download-fallback-test)
((or #f 'disarchive-mirrors)
%disarchive-mirror-file)
(_ %no-disarchive-mirrors-file)))))))
(define* (url-fetch/executable url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Like 'url-fetch', but make the downloaded file executable."
(url-fetch* url hash-algo hash name
#:system system
#:guile guile
#:executable? #t))
(define* (url-fetch/tarbomb url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Similar to 'url-fetch' but unpack the file from URL in a directory of its
own. This helper makes it easier to deal with \"tar bombs\"."
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(define gzip
(module-ref (resolve-interface '(gnu packages compression)) 'gzip))
(define tar
(module-ref (resolve-interface '(gnu packages base)) 'tar))
(mlet %store-monad ((drv (url-fetch* url hash-algo hash
(string-append "tarbomb-"
(or name file-name))
#:system system
#:guile guile))
(guile (package->derivation guile system)))
;; Take the tar bomb, and simply unpack it as a directory.
;; Use ungrafted tar/gzip so that the resulting tarball doesn't depend on
;; whether grafts are enabled.
(gexp->derivation (or name file-name)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir #$output)
(setenv "PATH" (string-append #+gzip "/bin"))
(chdir #$output)
(invoke (string-append #+tar "/bin/tar")
"xf" #$drv)))
#:system system
#:guile-for-build guile
#:graft? #f
#:local-build? #t)))
(define* (url-fetch/zipbomb url hash-algo hash
#:optional name
#:key (system (%current-system))
(guile (default-guile)))
"Similar to 'url-fetch' but unpack the zip file at URL in a directory of its
own. This helper makes it easier to deal with \"zip bombs\"."
(define file-name
(match url
((head _ ...)
(basename head))
(_
(basename url))))
(define unzip
(module-ref (resolve-interface '(gnu packages compression)) 'unzip))
(mlet %store-monad ((drv (url-fetch* url hash-algo hash
(string-append "zipbomb-"
(or name file-name))
#:system system
#:guile guile))
(guile (package->derivation guile system)))
;; Take the zip bomb, and simply unpack it as a directory.
;; Use ungrafted unzip so that the resulting tarball doesn't depend on
;; whether grafts are enabled.
(gexp->derivation (or name file-name)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir #$output)
(chdir #$output)
(invoke (string-append #+unzip "/bin/unzip")
#$drv)))
#:system system
#:guile-for-build guile
#:graft? #f
#:local-build? #t)))
(define* (download-to-store store url #:optional (name (basename url))
#:key (log (current-error-port)) recursive?
(verify-certificate? #t))
"Download from URL to STORE, either under NAME or URL's basename if
omitted. Write progress reports to LOG. RECURSIVE? has the same effect as
the same-named parameter of 'add-to-store'. VERIFY-CERTIFICATE? determines
whether or not to validate HTTPS server certificates."
(define uri
(string->uri url))
(if (or (not uri) (memq (uri-scheme uri) '(file #f)))
(add-to-store store name recursive? "sha256"
(if uri (uri-path uri) url))
(call-with-temporary-output-file
(lambda (temp port)
(let ((result
(parameterize ((current-output-port log))
(url-fetch url temp
#:mirrors %mirrors
#:verify-certificate? verify-certificate?))))
(close port)
(and result
(add-to-store store name recursive? "sha256" temp)))))))
;;; download.scm ends here
|
