guix/download.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
   3 ;;; Copyright © 2013, 2014, 2015 Andreas Enge <andreas@enge.fr>
   4 ;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
   5 ;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
   6 ;;; Copyright © 2016 David Craven <david@craven.ch>
   7 ;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
   8 ;;; Copyright © 2019 Guy Fleury Iteriteka <hoonandon@gmail.com>
   9 ;;;
  10 ;;; This file is part of GNU Guix.
  11 ;;;
  12 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  13 ;;; under the terms of the GNU General Public License as published by
  14 ;;; the Free Software Foundation; either version 3 of the License, or (at
  15 ;;; your option) any later version.
  16 ;;;
  17 ;;; GNU Guix is distributed in the hope that it will be useful, but
  18 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;;; GNU General Public License for more details.
  21 ;;;
  22 ;;; You should have received a copy of the GNU General Public License
  23 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 (define-module (guix download)
  26   #:use-module (ice-9 match)
  27   #:use-module (guix derivations)
  28   #:use-module (guix packages)
  29   #:use-module (guix store)
  30   #:use-module ((guix build download) #:prefix build:)
  31   #:use-module (guix monads)
  32   #:use-module (guix gexp)
  33   #:use-module (guix utils)
  34   #:use-module (web uri)
  35   #:use-module (srfi srfi-1)
  36   #:use-module (srfi srfi-26)
  37   #:export (%mirrors
  38             url-fetch
  39             url-fetch/tarbomb
  40             url-fetch/zipbomb
  41             download-to-store))
  42
  43 ;;; Commentary:
  44 ;;;
  45 ;;; Produce fixed-output derivations with data fetched over HTTP or FTP.
  46 ;;;
  47 ;;; Code:
  48
  49 (define %mirrors
  50   ;; Mirror lists used when `mirror://' URLs are passed.
  51   (let* ((gnu-mirrors
  52           '(;; This one redirects to a (supposedly) nearby and (supposedly)
  53             ;; up-to-date mirror.
  54             "https://ftpmirror.gnu.org/gnu/"
  55
  56             "ftp://ftp.cs.tu-berlin.de/pub/gnu/"
  57             "ftp://ftp.funet.fi/pub/mirrors/ftp.gnu.org/gnu/"
  58
  59             ;; This one is the master repository, and thus it's always
  60             ;; up-to-date.
  61             "http://ftp.gnu.org/pub/gnu/")))
  62     `((gnu ,@gnu-mirrors)
  63       (gcc
  64        "ftp://ftp.nluug.nl/mirror/languages/gcc/"
  65        "ftp://ftp.fu-berlin.de/unix/languages/gcc/"
  66        "ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/"
  67        "ftp://gcc.gnu.org/pub/gcc/"
  68        ,@(map (cut string-append <> "/gcc") gnu-mirrors))
  69       (gnupg
  70        "http://artfiles.org/gnupg.org"
  71        "http://www.crysys.hu/"
  72        "https://gnupg.org/ftp/gcrypt/"
  73        "ftp://mirrors.dotsrc.org/gcrypt/"
  74        "ftp://mirror.cict.fr/gnupg/"
  75        "ftp://ftp.franken.de/pub/crypt/mirror/ftp.gnupg.org/gcrypt/"
  76        "ftp://ftp.freenet.de/pub/ftp.gnupg.org/gcrypt/"
  77        "ftp://ftp.hi.is/pub/mirrors/gnupg/"
  78        "ftp://ftp.heanet.ie/mirrors/ftp.gnupg.org/gcrypt/"
  79        "ftp://ftp.bit.nl/mirror/gnupg/"
  80        "ftp://ftp.surfnet.nl/pub/security/gnupg/"
  81        "ftp://ftp.iasi.roedu.net/pub/mirrors/ftp.gnupg.org/"
  82        "ftp://ftp.sunet.se/pub/security/gnupg/"
  83        "ftp://mirror.switch.ch/mirror/gnupg/"
  84        "ftp://mirror.tje.me.uk/pub/mirrors/ftp.gnupg.org/"
  85        "ftp://ftp.mirrorservice.org/sites/ftp.gnupg.org/gcrypt/"
  86        "ftp://ftp.ring.gr.jp/pub/net/gnupg/"
  87        "ftp://ftp.gnupg.org/gcrypt/")
  88       (gnome
  89        "http://ftp.belnet.be/ftp.gnome.org/"
  90        "http://ftp.linux.org.uk/mirrors/ftp.gnome.org/"
  91        "http://ftp.gnome.org/pub/GNOME/"
  92        "https://download.gnome.org/"
  93        "http://mirror.yandex.ru/mirrors/ftp.gnome.org/")
  94       (hackage
  95        "http://hackage.haskell.org/")
  96       (savannah
  97        "http://download.savannah.gnu.org/releases/"
  98        "http://ftp.cc.uoc.gr/mirrors/nongnu.org/"
  99        "http://ftp.twaren.net/Unix/NonGNU/"
 100        "http://mirror.csclub.uwaterloo.ca/nongnu/"
 101        "http://nongnu.askapache.com/"
 102        "http://savannah.c3sl.ufpr.br/"
 103        "http://download.savannah.gnu.org/releases-noredirect/"
 104        "http://download-mirror.savannah.gnu.org/releases/"
 105        "ftp://ftp.twaren.net/Unix/NonGNU/"
 106        "ftp://mirror.csclub.uwaterloo.ca/nongnu/"
 107        "ftp://mirror.publicns.net/pub/nongnu/"
 108        "ftp://savannah.c3sl.ufpr.br/")
 109       (sourceforge ; https://sourceforge.net/p/forge/documentation/Mirrors/
 110        "http://downloads.sourceforge.net/project/"
 111        "http://ufpr.dl.sourceforge.net/project/"
 112        "http://heanet.dl.sourceforge.net/project/"
 113        "http://freefr.dl.sourceforge.net/project/"
 114        "http://internode.dl.sourceforge.net/project/"
 115        "http://jaist.dl.sourceforge.net/project/"
 116        "http://kent.dl.sourceforge.net/project/"
 117        "http://liquidtelecom.dl.sourceforge.net/project/"
 118        ;; "http://nbtelecom.dl.sourceforge.net/project/"  ;never returns 404s
 119        "http://nchc.dl.sourceforge.net/project/"
 120        "http://ncu.dl.sourceforge.net/project/"
 121        "http://netcologne.dl.sourceforge.net/project/"
 122        "http://netix.dl.sourceforge.net/project/"
 123        "http://pilotfiber.dl.sourceforge.net/project/"
 124        "http://superb-sea2.dl.sourceforge.net/project/"
 125        "http://tenet.dl.sourceforge.net/project/"
 126        "http://vorboss.dl.sourceforge.net/project/"
 127        "http://netassist.dl.sourceforge.net/project/")
 128       (netfilter.org ; https://www.netfilter.org/mirrors.html
 129        "http://ftp.netfilter.org/pub/"
 130        "ftp://ftp.es.netfilter.org/mirrors/netfilter/"
 131        "ftp://ftp.hu.netfilter.org/"
 132        "ftp://www.lt.netfilter.org/pub/")
 133       (kernel.org
 134        "http://ramses.wh2.tu-dresden.de/pub/mirrors/kernel.org/"
 135        "http://linux-kernel.uio.no/pub/"
 136        "http://kernel.osuosl.org/pub/"
 137        "http://ftp.be.debian.org/pub/"
 138        "http://mirror.linux.org.au/"
 139        "ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/")
 140       (apache             ; from http://www.apache.org/mirrors/dist.html
 141        "http://www.eu.apache.org/dist/"
 142        "http://www.us.apache.org/dist/"
 143        "http://apache.belnet.be/"
 144        "http://mirrors.ircam.fr/pub/apache/"
 145        "http://apache-mirror.rbc.ru/pub/apache/"
 146
 147        ;; As a last resort, try the archive.
 148        "http://archive.apache.org/dist/")
 149       (xorg               ; from http://www.x.org/wiki/Releases/Download
 150        "http://www.x.org/releases/" ; main mirrors
 151        "http://mirror.csclub.uwaterloo.ca/x.org/" ; North America
 152        "http://xorg.mirrors.pair.com/"
 153        "http://mirror.us.leaseweb.net/xorg/"
 154        "ftp://mirror.csclub.uwaterloo.ca/x.org/"
 155        "ftp://xorg.mirrors.pair.com/"
 156        "ftp://artfiles.org/x.org/" ; Europe
 157        "ftp://ftp.chg.ru/pub/X11/x.org/"
 158        "ftp://ftp.fu-berlin.de/unix/X11/FTP.X.ORG/"
 159        "ftp://ftp.gwdg.de/pub/x11/x.org/"
 160        "ftp://ftp.mirrorservice.org/sites/ftp.x.org/"
 161        "ftp://ftp.ntua.gr/pub/X11/"
 162        "ftp://ftp.piotrkosoft.net/pub/mirrors/ftp.x.org/"
 163        "ftp://ftp.portal-to-web.de/pub/mirrors/x.org/"
 164        "ftp://ftp.solnet.ch/mirror/x.org/"
 165        "ftp://mi.mirror.garr.it/mirrors/x.org/"
 166        "ftp://mirror.cict.fr/x.org/"
 167        "ftp://mirror.switch.ch/mirror/X11/"
 168        "ftp://mirrors.ircam.fr/pub/x.org/"
 169        "ftp://x.mirrors.skynet.be/pub/ftp.x.org/"
 170        "http://x.cs.pu.edu.tw/" ; East Asia
 171        "ftp://ftp.cs.cuhk.edu.hk/pub/X11"
 172        "ftp://ftp.u-aizu.ac.jp/pub/x11/x.org/"
 173        "ftp://ftp.yz.yamagata-u.ac.jp/pub/X11/x.org/"
 174        "ftp://ftp.kaist.ac.kr/x.org/"
 175        "ftp://mirrors.go-part.com/xorg/"
 176        "ftp://ftp.is.co.za/pub/x.org")            ; South Africa
 177       (cpan
 178        "http://www.cpan.org/"
 179        "http://cpan.metacpan.org/"
 180        ;; A selection of HTTP mirrors from http://www.cpan.org/SITES.html.
 181        ;; Europe.
 182        "http://ftp.belnet.be/mirror/ftp.cpan.org/"
 183        "http://mirrors.nic.cz/CPAN/"
 184        "http://mirror.ibcp.fr/pub/CPAN/"
 185        "http://ftp.ntua.gr/pub/lang/perl/"
 186        "http://kvin.lv/pub/CPAN/"
 187        "http://mirror.as43289.net/pub/CPAN/"
 188        "http://cpan.cs.uu.nl/"
 189        "http://cpan.uib.no/"
 190        "http://cpan-mirror.rbc.ru/pub/CPAN/"
 191        "http://mirror.sbb.rs/CPAN/"
 192        "http://cpan.lnx.sk/"
 193        "http://ftp.rediris.es/mirror/CPAN/"
 194        "http://mirror.ox.ac.uk/sites/www.cpan.org/"
 195        ;; Africa.
 196        "http://mirror.liquidtelecom.com/CPAN/"
 197        "http://cpan.mirror.ac.za/"
 198        "http://mirror.is.co.za/pub/cpan/"
 199        "http://cpan.saix.net/"
 200        "http://mirror.ucu.ac.ug/cpan/"
 201        ;; North America.
 202        "http://mirrors.gossamer-threads.com/CPAN/"
 203        "http://mirror.csclub.uwaterloo.ca/CPAN/"
 204        "http://mirrors.ucr.ac.cr/CPAN/"
 205        "http://www.msg.com.mx/CPAN/"
 206        "http://mirrors.namecheap.com/CPAN/"
 207        "http://mirror.uic.edu/CPAN/"
 208        "http://mirror.datapipe.net/CPAN/"
 209        "http://mirror.cc.columbia.edu/pub/software/cpan/"
 210        "http://mirror.uta.edu/CPAN/"
 211        ;; South America.
 212        "http://cpan.mmgdesigns.com.ar/"
 213        "http://mirror.nbtelecom.com.br/CPAN/"
 214        "http://linorg.usp.br/CPAN/"
 215        "http://cpan.dcc.uchile.cl/"
 216        "http://mirror.cedia.org.ec/CPAN/"
 217        ;; Oceania.
 218        "http://cpan.mirror.serversaustralia.com.au/"
 219        "http://mirror.waia.asn.au/pub/cpan/"
 220        "http://mirror.as24220.net/pub/cpan/"
 221        "http://cpan.lagoon.nc/pub/CPAN/"
 222        "http://cpan.inspire.net.nz/"
 223        ;; Asia.
 224        "http://mirror.dhakacom.com/CPAN/"
 225        "http://mirrors.ustc.edu.cn/CPAN/"
 226        "http://ftp.cuhk.edu.hk/pub/packages/perl/CPAN/"
 227        "http://kambing.ui.ac.id/cpan/"
 228        "http://cpan.hostiran.ir/"
 229        "http://ftp.nara.wide.ad.jp/pub/CPAN/"
 230        "http://mirror.neolabs.kz/CPAN/"
 231        "http://cpan.nctu.edu.tw/"
 232        "http://cpan.ulak.net.tr/"
 233        "http://mirrors.vinahost.vn/CPAN/")
 234       (cran
 235        ;; Arbitrary mirrors from http://cran.r-project.org/mirrors.html
 236        ;; This one automatically redirects to servers worldwide
 237        "http://cran.r-project.org/"
 238        "http://cran.rstudio.com/"
 239        "http://cran.univ-lyon1.fr/"
 240        "http://cran.ism.ac.jp/"
 241        "http://cran.stat.auckland.ac.nz/"
 242        "http://cran.mirror.ac.za/"
 243        "http://cran.csie.ntu.edu.tw/")
 244       (imagemagick
 245        ;; from http://www.imagemagick.org/script/download.php
 246        ;; (without mirrors that are unavailable or not up to date)
 247        ;; mirrors keeping old versions at the top level
 248        "https://sunsite.icm.edu.pl/packages/ImageMagick/"
 249        ;; mirrors moving old versions to "legacy"
 250        "http://mirrors-usa.go-parts.com/mirrors/ImageMagick/"
 251        "http://mirror.checkdomain.de/imagemagick/"
 252        "http://ftp.surfnet.nl/pub/ImageMagick/"
 253        "http://mirror.searchdaimon.com/ImageMagick"
 254        "http://mirror.is.co.za/pub/imagemagick/"
 255        "http://www.imagemagick.org/download/"
 256        "ftp://mirror.aarnet.edu.au/pub/imagemagick/"
 257        "ftp://ftp.kddlabs.co.jp/graphics/ImageMagick/"
 258        "ftp://ftp.u-aizu.ac.jp/pub/graphics/image/ImageMagick/imagemagick.org/"
 259        "ftp://ftp.nluug.nl/pub/ImageMagick/"
 260        "ftp://ftp.tpnet.pl/pub/graphics/ImageMagick/"
 261        "ftp://ftp.fifi.org/pub/ImageMagick/"
 262        ;; one legacy location as a last resort
 263        "http://www.imagemagick.org/download/legacy/")
 264       (debian
 265        "http://ftp.de.debian.org/debian/"
 266        "http://ftp.fr.debian.org/debian/"
 267        "http://ftp.debian.org/debian/"
 268        "http://archive.debian.org/debian/")
 269       (kde
 270        "http://download.kde.org"
 271        "http://download.kde.org/Attic" ; for when it gets archived.
 272        ;; Mirrors from http://files.kde.org/extra/mirrors.html
 273        ;; Europe
 274        "http://mirror.easyname.at/kde"
 275        "http://mirror.karneval.cz/pub/kde"
 276        "http://ftp.fi.muni.cz/pub/kde/"
 277        "http://mirror.oss.maxcdn.com/kde/"
 278        "http://ftp5.gwdg.de/pub/linux/kde/"
 279        "http://ftp-stud.fht-esslingen.de/Mirrors/ftp.kde.org/pub/kde/"
 280        "http://mirror.klaus-uwe.me/kde/ftp/"
 281        "http://kde.beta.mirror.ga/"
 282        "http://kde.alpha.mirror.ga/"
 283        "http://mirror.netcologne.de/kde"
 284        "http://vesta.informatik.rwth-aachen.de/ftp/pub/mirror/kde/"
 285        "http://ftp.rz.uni-wuerzburg.de/pub/unix/kde/"
 286        "http://mirrors.dotsrc.org/kde/"
 287        "http://ftp.funet.fi/pub/mirrors/ftp.kde.org/pub/kde/"
 288        "http://kde-mirror.freenux.org/"
 289        "http://mirrors.ircam.fr/pub/KDE/"
 290        "http://www-ftp.lip6.fr/pub/X11/kde/"
 291        "http://fr2.rpmfind.net/linux/KDE/"
 292        "http://kde.mirror.anlx.net/"
 293        "http://www.mirrorservice.org/sites/ftp.kde.org/pub/kde/"
 294        "http://ftp.heanet.ie/mirrors/ftp.kde.org/"
 295        "http://ftp.nluug.nl/pub/windowing/kde/"
 296        "http://ftp.surfnet.nl/windowing/kde/"
 297        "http://ftp.icm.edu.pl/pub/unix/kde/"
 298        "http://ftp.pbone.net/pub/kde/"
 299        "http://piotrkosoft.net/pub/mirrors/ftp.kde.org/"
 300        "http://mirrors.fe.up.pt/pub/kde/"
 301        "http://ftp.iasi.roedu.net/pub/mirrors/ftp.kde.org/"
 302        "http://ftp.acc.umu.se/mirror/kde.org/ftp/"
 303        "http://kde.ip-connect.vn.ua/"
 304        ;; North America
 305        "http://mirror.its.dal.ca/kde/"
 306        "http://mirror.csclub.uwaterloo.ca/kde/"
 307        "http://mirror.cc.columbia.edu/pub/software/kde/"
 308        "http://mirrors-usa.go-parts.com/kde"
 309        "http://kde.mirrors.hoobly.com/"
 310        "http://ftp.ussg.iu.edu/kde/"
 311        "http://mirrors.mit.edu/kde/"
 312        "http://kde.mirrors.tds.net/pub/kde/"
 313        ;; Oceania
 314        "http://ftp.kddlabs.co.jp/pub/X11/kde/"
 315        "http://kde.mirror.uber.com.au/")
 316       (openbsd
 317        "https://ftp.openbsd.org/pub/OpenBSD/"
 318        ;; Anycast CDN redirecting to your friendly local mirror.
 319        "https://mirrors.evowise.com/pub/OpenBSD/"
 320        ;; Other HTTPS mirrors from https://www.openbsd.org/ftp.html
 321        "https://mirror.aarnet.edu.au/pub/OpenBSD/"
 322        "https://ftp2.eu.openbsd.org/pub/OpenBSD/"
 323        "https://openbsd.c3sl.ufpr.br/pub/OpenBSD/"
 324        "https://openbsd.ipacct.com/pub/OpenBSD/"
 325        "https://ftp.OpenBSD.org/pub/OpenBSD/"
 326        "https://openbsd.cs.toronto.edu/pub/OpenBSD/"
 327        "https://openbsd.delfic.org/pub/OpenBSD/"
 328        "https://openbsd.mirror.netelligent.ca/pub/OpenBSD/"
 329        "https://mirrors.ucr.ac.cr/pub/OpenBSD/"
 330        "https://mirrors.dotsrc.org/pub/OpenBSD/"
 331        "https://mirror.one.com/pub/OpenBSD/"
 332        "https://ftp.fr.openbsd.org/pub/OpenBSD/"
 333        "https://ftp2.fr.openbsd.org/pub/OpenBSD/"
 334        "https://mirrors.ircam.fr/pub/OpenBSD/"
 335        "https://ftp.spline.de/pub/OpenBSD/"
 336        "https://mirror.hs-esslingen.de/pub/OpenBSD/"
 337        "https://ftp.halifax.rwth-aachen.de/openbsd/"
 338        "https://ftp.hostserver.de/pub/OpenBSD/"
 339        "https://ftp.fau.de/pub/OpenBSD/"
 340        "https://ftp.cc.uoc.gr/pub/OpenBSD/"
 341        "https://openbsd.hk/pub/OpenBSD/"
 342        "https://ftp.heanet.ie/pub/OpenBSD/"
 343        "https://openbsd.mirror.garr.it/pub/OpenBSD/"
 344        "https://mirror.litnet.lt/pub/OpenBSD/"
 345        "https://mirror.meerval.net/pub/OpenBSD/"
 346        "https://ftp.nluug.nl/pub/OpenBSD/"
 347        "https://ftp.bit.nl/pub/OpenBSD/"
 348        "https://mirrors.dalenys.com/pub/OpenBSD/"
 349        "https://ftp.icm.edu.pl/pub/OpenBSD/"
 350        "https://ftp.rnl.tecnico.ulisboa.pt/pub/OpenBSD/"
 351        "https://mirrors.pidginhost.com/pub/OpenBSD/"
 352        "https://mirror.yandex.ru/pub/OpenBSD/"
 353        "https://ftp.eu.openbsd.org/pub/OpenBSD/"
 354        "https://ftp.yzu.edu.tw/pub/OpenBSD/"
 355        "https://www.mirrorservice.org/pub/OpenBSD/"
 356        "https://anorien.csc.warwick.ac.uk/pub/OpenBSD/"
 357        "https://mirror.bytemark.co.uk/pub/OpenBSD/"
 358        "https://mirrors.sonic.net/pub/OpenBSD/"
 359        "https://ftp3.usa.openbsd.org/pub/OpenBSD/"
 360        "https://mirrors.syringanetworks.net/pub/OpenBSD/"
 361        "https://openbsd.mirror.constant.com/pub/OpenBSD/"
 362        "https://ftp4.usa.openbsd.org/pub/OpenBSD/"
 363        "https://ftp5.usa.openbsd.org/pub/OpenBSD/"
 364        "https://mirror.esc7.net/pub/OpenBSD/")
 365       (mate
 366        "https://pub.mate-desktop.org/releases/"
 367        "http://pub.mate-desktop.org/releases/"))))
 368
 369 (define %mirror-file
 370   ;; Copy of the list of mirrors to a file.  This allows us to keep a single
 371   ;; copy in the store, and computing it here avoids repeated calls to
 372   ;; 'object->string'.
 373   (plain-file "mirrors" (object->string %mirrors)))
 374
 375 (define %content-addressed-mirrors
 376   ;; List of content-addressed mirrors.  Each mirror is represented as a
 377   ;; procedure that takes a file name, an algorithm (symbol) and a hash
 378   ;; (bytevector), and returns a URL or #f.
 379   '(begin
 380      (use-modules (guix base32))
 381
 382      (define (guix-publish host)
 383        (lambda (file algo hash)
 384          ;; Files served by 'guix publish' are accessible under a single
 385          ;; hash algorithm.
 386          (string-append "https://" host "/file/"
 387                         file "/" (symbol->string algo) "/"
 388                         (bytevector->nix-base32-string hash))))
 389
 390      ;; XXX: (guix base16) appeared in March 2017 (and thus 0.13.0) so old
 391      ;; installations of the daemon might lack it.  Thus, load it lazily to
 392      ;; avoid gratuitous errors.  See <https://bugs.gnu.org/33542>.
 393      (module-autoload! (current-module)
 394                        '(guix base16) '(bytevector->base16-string))
 395
 396      (list (guix-publish "mirror.hydra.gnu.org")
 397            (guix-publish "berlin.guixsd.org")
 398            (lambda (file algo hash)
 399              ;; 'tarballs.nixos.org' supports several algorithms.
 400              (string-append "https://tarballs.nixos.org/"
 401                             (symbol->string algo) "/"
 402                             (bytevector->nix-base32-string hash)))
 403            (lambda (file algo hash)
 404              ;; Software Heritage usually archives VCS history rather than
 405              ;; tarballs, but tarballs are sometimes available (and can be
 406              ;; explicitly stored there.)  For example, see
 407              ;; <https://archive.softwareheritage.org/api/1/content/sha256:92d0fa1c311cacefa89853bdb53c62f4110cdfda3820346b59cbd098f40f955e/>.
 408              (string-append "https://archive.softwareheritage.org/api/1/content/"
 409                             (symbol->string algo) ":"
 410                             (bytevector->base16-string hash) "/raw/")))))
 411
 412 (define %content-addressed-mirror-file
 413   ;; Content-addressed mirrors stored in a file.
 414   (plain-file "content-addressed-mirrors"
 415               (object->string %content-addressed-mirrors)))
 416
 417 (define built-in-builders*
 418   (let ((proc (store-lift built-in-builders)))
 419     (lambda ()
 420       "Return, as a monadic value, the list of built-in builders supported by
 421 the daemon; cache the return value."
 422       (mcached (proc) built-in-builders))))
 423
 424 (define* (built-in-download file-name url
 425                             #:key system hash-algo hash
 426                             mirrors content-addressed-mirrors
 427                             (guile 'unused))
 428   "Download FILE-NAME from URL using the built-in 'download' builder.
 429
 430 This is an \"out-of-band\" download in that the returned derivation does not
 431 explicitly depend on Guile, GnuTLS, etc.  Instead, the daemon performs the
 432 download by itself using its own dependencies."
 433   (mlet %store-monad ((mirrors (lower-object mirrors))
 434                       (content-addressed-mirrors
 435                        (lower-object content-addressed-mirrors)))
 436     (raw-derivation file-name "builtin:download" '()
 437                     #:system system
 438                     #:hash-algo hash-algo
 439                     #:hash hash
 440                     #:inputs `((,mirrors)
 441                                (,content-addressed-mirrors))
 442
 443                     ;; Honor the user's proxy and locale settings.
 444                     #:leaked-env-vars '("http_proxy" "https_proxy"
 445                                         "LC_ALL" "LC_MESSAGES" "LANG"
 446                                         "COLUMNS")
 447
 448                     #:env-vars `(("url" . ,(object->string url))
 449                                  ("mirrors" . ,mirrors)
 450                                  ("content-addressed-mirrors"
 451                                   . ,content-addressed-mirrors))
 452
 453                     ;; Do not offload this derivation because we cannot be
 454                     ;; sure that the remote daemon supports the 'download'
 455                     ;; built-in.  We may remove this limitation when support
 456                     ;; for that built-in is widespread.
 457                     #:local-build? #t)))
 458
 459 (define* (url-fetch url hash-algo hash
 460                     #:optional name
 461                     #:key (system (%current-system))
 462                     (guile (default-guile)))
 463   "Return a fixed-output derivation that fetches URL (a string, or a list of
 464 strings denoting alternate URLs), which is expected to have hash HASH of type
 465 HASH-ALGO (a symbol).  By default, the file name is the base name of URL;
 466 optionally, NAME can specify a different file name.
 467
 468 When one of the URL starts with mirror://, then its host part is
 469 interpreted as the name of a mirror scheme, taken from %MIRROR-FILE.
 470
 471 Alternately, when URL starts with file://, return the corresponding file name
 472 in the store."
 473   (define file-name
 474     (match url
 475       ((head _ ...)
 476        (basename head))
 477       (_
 478        (basename url))))
 479
 480   (let ((uri (and (string? url) (string->uri url))))
 481     (if (or (and (string? url) (not uri))
 482             (and uri (memq (uri-scheme uri) '(#f file))))
 483         (interned-file (if uri (uri-path uri) url)
 484                        (or name file-name))
 485         (mlet %store-monad ((builtins (built-in-builders*)))
 486           ;; The "download" built-in builder was added in guix-daemon in
 487           ;; Nov. 2016 and made it in the 0.12.0 release of Dec. 2016.  We now
 488           ;; require it.
 489           (unless (member "download" builtins)
 490             (error "'guix-daemon' is too old, please upgrade" builtins))
 491
 492           (built-in-download (or name file-name) url
 493                              #:guile guile
 494                              #:system system
 495                              #:hash-algo hash-algo
 496                              #:hash hash
 497                              #:mirrors %mirror-file
 498                              #:content-addressed-mirrors
 499                              %content-addressed-mirror-file)))))
 500
 501 (define* (url-fetch/tarbomb url hash-algo hash
 502                             #:optional name
 503                             #:key (system (%current-system))
 504                             (guile (default-guile)))
 505   "Similar to 'url-fetch' but unpack the file from URL in a directory of its
 506 own.  This helper makes it easier to deal with \"tar bombs\"."
 507   (define file-name
 508     (match url
 509       ((head _ ...)
 510        (basename head))
 511       (_
 512        (basename url))))
 513   (define gzip
 514     (module-ref (resolve-interface '(gnu packages compression)) 'gzip))
 515   (define tar
 516     (module-ref (resolve-interface '(gnu packages base)) 'tar))
 517
 518   (mlet %store-monad ((drv (url-fetch url hash-algo hash
 519                                       (string-append "tarbomb-"
 520                                                      (or name file-name))
 521                                       #:system system
 522                                       #:guile guile)))
 523     ;; Take the tar bomb, and simply unpack it as a directory.
 524     ;; Use ungrafted tar/gzip so that the resulting tarball doesn't depend on
 525     ;; whether grafts are enabled.
 526     (gexp->derivation (or name file-name)
 527                       (with-imported-modules '((guix build utils))
 528                         #~(begin
 529                             (use-modules (guix build utils))
 530                             (mkdir #$output)
 531                             (setenv "PATH" (string-append #$gzip "/bin"))
 532                             (chdir #$output)
 533                             (invoke (string-append #$tar "/bin/tar")
 534                                     "xf" #$drv)))
 535                       #:graft? #f
 536                       #:local-build? #t)))
 537
 538 (define* (url-fetch/zipbomb url hash-algo hash
 539                             #:optional name
 540                             #:key (system (%current-system))
 541                             (guile (default-guile)))
 542   "Similar to 'url-fetch' but unpack the zip file at URL in a directory of its
 543 own.  This helper makes it easier to deal with \"zip bombs\"."
 544   (define file-name
 545     (match url
 546       ((head _ ...)
 547        (basename head))
 548       (_
 549        (basename url))))
 550   (define unzip
 551     (module-ref (resolve-interface '(gnu packages compression)) 'unzip))
 552
 553   (mlet %store-monad ((drv (url-fetch url hash-algo hash
 554                                       (string-append "zipbomb-"
 555                                                      (or name file-name))
 556                                       #:system system
 557                                       #:guile guile)))
 558     ;; Take the zip bomb, and simply unpack it as a directory.
 559     ;; Use ungrafted unzip so that the resulting tarball doesn't depend on
 560     ;; whether grafts are enabled.
 561     (gexp->derivation (or name file-name)
 562                       (with-imported-modules '((guix build utils))
 563                         #~(begin
 564                             (use-modules (guix build utils))
 565                             (mkdir #$output)
 566                             (chdir #$output)
 567                             (invoke (string-append #$unzip "/bin/unzip")
 568                                     #$drv)))
 569                       #:graft? #f
 570                       #:local-build? #t)))
 571
 572 (define* (download-to-store store url #:optional (name (basename url))
 573                             #:key (log (current-error-port)) recursive?
 574                             (verify-certificate? #t))
 575   "Download from URL to STORE, either under NAME or URL's basename if
 576 omitted.  Write progress reports to LOG.  RECURSIVE? has the same effect as
 577 the same-named parameter of 'add-to-store'.  VERIFY-CERTIFICATE? determines
 578 whether or not to validate HTTPS server certificates."
 579   (define uri
 580     (string->uri url))
 581
 582   (if (or (not uri) (memq (uri-scheme uri) '(file #f)))
 583       (add-to-store store name recursive? "sha256"
 584                     (if uri (uri-path uri) url))
 585       (call-with-temporary-output-file
 586        (lambda (temp port)
 587          (let ((result
 588                 (parameterize ((current-output-port log))
 589                   (build:url-fetch url temp
 590                                    #:mirrors %mirrors
 591                                    #:verify-certificate?
 592                                    verify-certificate?))))
 593            (close port)
 594            (and result
 595                 (add-to-store store name recursive? "sha256" temp)))))))
 596
 597 ;;; download.scm ends here