[bug#42380] [PATCH 9/9] gnu: Add torbrowser-unbundle

["André Batista" <nandre@riseup.net>]

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From 84070de582d33d47f2684bdee69b1e0b478c2352 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Batista?= <nandre@riseup.net>
Date: Mon, 14 Sep 2020 22:39:59 -0300
Subject: [PATCH] gnu: Add torbrowser-unbundle
To: 42380@debbugs.gnu.org

* gnu/packages/tor.scm (torbrowser-unbundle): New variable.
* gnu/packages/patches/torbrowser-start-tor-browser.desktop.patch: New file.
* gnu/packages/patches/torbrowser-start-tor-browser.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
---
 gnu/local.mk                                  |   3 +
 ...torbrowser-start-tor-browser.desktop.patch |  22 +
 .../torbrowser-start-tor-browser.patch        | 226 +++++
 gnu/packages/tor.scm                          | 830 +++++++++++++++++-
 4 files changed, 1080 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/torbrowser-start-tor-browser.desktop.patch
 create mode 100644 gnu/packages/patches/torbrowser-start-tor-browser.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 1baa8405c5..1715068b6c 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -37,6 +37,7 @@
 # Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
 # Copyright © 2020 Tanguy Le Carrour <tanguy@bioneland.org>
 # Copyright © 2020 Martin Becze <mjbecze@riseup.net>
+# Copyright © 2020 André Batista <nandre@riseup.net>
 #
 # This file is part of GNU Guix.
 #
@@ -1615,6 +1616,8 @@ dist_patch_DATA =						\
   %D%/packages/patches/tipp10-fix-compiling.patch		\
   %D%/packages/patches/tipp10-remove-license-code.patch		\
   %D%/packages/patches/tk-find-library.patch			\
+  %D%/packages/patches/torbrowser-start-tor-browser.desktop.patch       \
+  %D%/packages/patches/torbrowser-start-tor-browser.patch       \
   %D%/packages/patches/transcode-ffmpeg.patch	\
   %D%/packages/patches/ttf2eot-cstddef.patch			\
   %D%/packages/patches/tomb-fix-errors-on-open.patch		\
diff --git a/gnu/packages/patches/torbrowser-start-tor-browser.desktop.patch b/gnu/packages/patches/torbrowser-start-tor-browser.desktop.patch
new file mode 100644
index 0000000000..336115b33a
--- /dev/null
+++ b/gnu/packages/patches/torbrowser-start-tor-browser.desktop.patch
@@ -0,0 +1,22 @@
+Change TorBrowser desktop file in order for it to be agnostic to the
+path when invoked.
+
+--- torbrowser-68.10.0esr-9.5-1/tbb-scripts/RelativeLink/start-tor-browser.desktop.orign	2020-07-05 18:47:40.689484877 -0300
++++ torbrowser-68.10.0esr-9.5-1/tbb-scripts/RelativeLink/start-tor-browser.desktop	2020-07-25 02:54:44.603431160 -0300
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env ./Browser/execdesktop
++#!/usr/bin/env bash
+ #
+ # This file is a self-modifying .desktop file that can be run from the shell.
+ # It preserves arguments and environment for the start-tor-browser script.
+@@ -28,7 +28,7 @@
+ GenericName=Web Browser
+ Comment=Tor Browser is +1 for privacy and −1 for mass surveillance
+ Categories=Network;WebBrowser;Security;
+-Exec=sh -c '"$(dirname "$*")"/Browser/start-tor-browser --detach || ([ ! -x "$(dirname "$*")"/Browser/start-tor-browser ] && "$(dirname "$*")"/start-tor-browser --detach)' dummy %k
+-X-TorBrowser-ExecShell=./Browser/start-tor-browser --detach
+-Icon=web-browser
++Exec=bash -c start-tor-browser
++X-TorBrowser-ExecShell=start-tor-browser --detach
++Icon=torbrowser
+ StartupWMClass=Tor Browser
diff --git a/gnu/packages/patches/torbrowser-start-tor-browser.patch b/gnu/packages/patches/torbrowser-start-tor-browser.patch
new file mode 100644
index 0000000000..c563f94003
--- /dev/null
+++ b/gnu/packages/patches/torbrowser-start-tor-browser.patch
@@ -0,0 +1,226 @@
+Change TorBrowser startup script in order for it to setup needed files
+outside guix store. Remove tests which are not needed on guix system.
+
+--- torbrowser-68.10.0esr-9.5-1/tbb-scripts/RelativeLink/start-tor-browser.orig	2020-07-05 18:47:40.685485004 -0300
++++ torbrowser-68.10.0esr-9.5-1/tbb-scripts/RelativeLink/start-tor-browser	2020-08-01 20:22:08.901737325 -0300
+@@ -5,6 +5,15 @@
+ #
+ # Copyright 2017 The Tor Project.  See LICENSE for licensing information.
+ 
++TBB_HOME="${HOME}/.local/share/torbrowser"
++TBB_LOGFILE="${TBB_HOME}/torbrowser.log"
++TBB_DATA="${TBB_HOME}/Data"
++TBB_PROFILE="${TBB_DATA}/Browser/profile.default"
++TBB_STORE_PATH=$(dirname $(realpath "$0"))
++TBB_STORE_DATA="${TBB_STORE_PATH}/TorBrowser/Data"
++TORRC="${TBB_DATA}/Tor/torrc-defaults"
++PT_PREFS="${TBB_DATA}/Browser/bridge-prefs-js-appendix"
++
+ complain_dialog_title="Tor Browser"
+ 
+ # First, make sure DISPLAY is set.  If it isn't, we're hosed; scream
+@@ -106,14 +115,11 @@
+     printf "  --verbose         Display Tor and Firefox output in the terminal\n"
+     printf "  --log [file]      Record Tor and Firefox output in file (default: tor-browser.log)\n"
+     printf "  --detach          Detach from terminal and run Tor Browser in the background.\n"
+-    printf "  --register-app    Register Tor Browser as a desktop app for this user\n"
+-    printf "  --unregister-app  Unregister Tor Browser as a desktop app for this user\n"
+ }
+ log_output=0
+ show_output=0
+ detach=0
+ show_usage=0
+-register_desktop_app=0
+ logfile=/dev/null
+ while :
+ do
+@@ -134,8 +140,8 @@
+           ;;
+       -l | --log)
+           if [ -z "$2" -o "${2:0:1}" == "-" ]; then
+-             printf "Logging Tor Browser debug information to tor-browser.log\n"
+-             logfile="../tor-browser.log"
++             printf "Logging Tor Browser debug information to torbrowser.log\n"
++             logfile="${TBB_LOGFILE}"
+           elif [ "${2:0:1}" == "/" -o "${2:0:1}" == "~" ]; then
+              printf "Logging Tor Browser debug information to %s\n" "$2"
+              logfile="$2"
+@@ -148,16 +154,6 @@
+           log_output=1
+           shift
+           ;;
+-      --register-app)
+-          register_desktop_app=1
+-          show_output=1
+-          shift
+-          ;;
+-      --unregister-app)
+-          register_desktop_app=-1
+-          show_output=1
+-          shift
+-          ;;
+       *) # No more options
+           break
+           ;;
+@@ -187,41 +183,23 @@
+ 	export XAUTHORITY
+ fi
+ 
+-# If this script is being run through a symlink, we need to know where
+-# in the filesystem the script itself is, not where the symlink is.
+-myname="$0"
+-if [ -L "$myname" ]; then
+-	# XXX readlink is not POSIX, but is present in GNU coreutils
+-	# and on FreeBSD.  Unfortunately, the -f option (which follows
+-	# a whole chain of symlinks until it reaches a non-symlink
+-	# path name) is a GNUism, so we have to have a fallback for
+-	# FreeBSD.  Fortunately, FreeBSD has realpath instead;
+-	# unfortunately, that's also non-POSIX and is not present in
+-	# GNU coreutils.
+-	#
+-	# If this launcher were a C program, we could just use the
+-	# realpath function, which *is* POSIX.  Too bad POSIX didn't
+-	# make that function accessible to shell scripts.
+-
+-	# If realpath is available, use it; it Does The Right Thing.
+-	possibly_my_real_name="`realpath "$myname" 2>/dev/null`"
+-	if [ "$?" -eq 0 ]; then
+-		myname="$possibly_my_real_name"
+-	else
+-		# realpath is not available; hopefully readlink -f works.
+-		myname="`readlink -f "$myname" 2>/dev/null`"
+-		if [ "$?" -ne 0 ]; then
+-			# Ugh.
+-			complain "start-tor-browser cannot be run using a symlink on this operating system."
+-		fi
+-	fi
++# Try to be agnostic to where we're being started from, check if files are on its
++# default paths and chdir to TBB_HOME
++if [ -e "${TORRC}" ]; then
++   cd "${TBB_HOME}"
++else
++   mkdir -p "${TBB_HOME}"
++   cp -R "${TBB_STORE_DATA}" "${TBB_HOME}"
++   chmod -R 700 "${TBB_HOME}"
++   mkdir -p "${TBB_PROFILE}"
++   echo "user_pref(\"extensions.torlauncher.torrc-defaults_path\", \"${TORRC}\");"\
++     > "${TBB_PROFILE}/user.js"
++   grep -v 'default_bridge\.snowflake' "${PT_PREFS}" >> "${TBB_PROFILE}/user.js"
++   echo "ClientTransportPlugin meek_lite,obfs2,obfs3,obfs4,scramblesuit exec ${TBB_STORE_PATH}/TorBrowser/Tor/PluggableTransports/obfs4proxy"\
++     >> "${TORRC}"
++   cd "${TBB_HOME}"
+ fi
+ 
+-# Try to be agnostic to where we're being started from, chdir to where
+-# the script is.
+-mydir="`dirname "$myname"`"
+-test -d "$mydir" && cd "$mydir"
+-
+ # If ${PWD} results in a zero length string, we can try something else...
+ if [ ! "${PWD}" ]; then
+ 	# "hacking around some braindamage"
+@@ -236,50 +214,9 @@
+   ln -nsf ~/.config/ibus/bus .config/ibus
+ fi
+ 
+-# Fix up .desktop Icon and Exec Paths, and update the .desktop file from the
+-# canonical version if it was changed by the updater.
+-cp start-tor-browser.desktop ../
+-sed -i -e "s,^Name=.*,Name=Tor Browser,g" ../start-tor-browser.desktop
+-sed -i -e "s,^Icon=.*,Icon=$PWD/browser/chrome/icons/default/default128.png,g" ../start-tor-browser.desktop
+-sed -i -e "s,^Exec=.*,Exec=sh -c '\"$PWD/start-tor-browser\" --detach || ([ !  -x \"$PWD/start-tor-browser\" ] \&\& \"\$(dirname \"\$*\")\"/Browser/start-tor-browser --detach)' dummy %k,g" ../start-tor-browser.desktop
+-
+-if [ "$register_desktop_app" -eq 1 ]; then
+-	mkdir -p "$HOME/.local/share/applications/"
+-	cp ../start-tor-browser.desktop "$HOME/.local/share/applications/"
+-	update-desktop-database "$HOME/.local/share/applications/"
+-	printf "Tor Browser has been registered as a desktop app for this user in ~/.local/share/applications/\n"
+-	exit 0
+-fi
+-
+-if [ "$register_desktop_app" -eq -1 ]; then
+-	if [ -e "$HOME/.local/share/applications/start-tor-browser.desktop" ]; then
+-		rm -f "$HOME/.local/share/applications/start-tor-browser.desktop"
+-		update-desktop-database "$HOME/.local/share/applications/"
+-		printf "Tor Browser has been removed as a user desktop app (from ~/.local/share/applications/)\n"
+-	else
+-		printf "Tor Browser does not appear to be a desktop app (not present in ~/.local/share/applications/)\n"
+-	fi
+-	exit 0
+-fi
+-
+ HOME="${PWD}"
+ export HOME
+ 
+-SYSARCHITECTURE=$(getconf LONG_BIT)
+-TORARCHITECTURE=$(expr "$(file TorBrowser/Tor/tor)" : '.*ELF \([[:digit:]]*\)')
+-
+-if [ $SYSARCHITECTURE -ne $TORARCHITECTURE ]; then
+-   complain "Wrong architecture? 32-bit vs. 64-bit."
+-   exit 1
+-fi
+-
+-[% IF c("var/asan") -%]
+-# We need to disable LSan which is enabled by default now. Otherwise we'll get
+-# a crash during shutdown: https://bugs.torproject.org/10599#comment:59
+-ASAN_OPTIONS="detect_leaks=0"
+-export ASAN_OPTIONS
+-[% END -%]
+-
+ function setControlPortPasswd() {
+     local ctrlPasswd=$1
+ 
+@@ -342,13 +279,15 @@
+ # your password in the following line where the word “secret” is:
+ setControlPortPasswd ${TOR_CONTROL_PASSWD:='"secret"'}
+ 
+-# Set up custom bundled fonts. See fonts-conf(5).
+-export FONTCONFIG_PATH="${HOME}/TorBrowser/Data/fontconfig"
+-export FONTCONFIG_FILE="fonts.conf"
+-
+ # Avoid overwriting user's dconf values. Fixes #27903.
+ export GSETTINGS_BACKEND=memory
+ 
++# Set up custom bundled fonts. See fonts-conf(5).
++export FONTCONFIG_FILE="${HOME}/Data/fontconfig/fonts.conf"
++
++sed -i "${FONTCONFIG_FILE}"\
++    -e "s,<dir>fonts</dir>,<dir>${TBB_STORE_PATH}/fonts</dir>,"
++
+ cd "${HOME}"
+ 
+ # We pass all additional command-line arguments we get to Firefox.
+@@ -357,23 +296,23 @@
+ 
+ if [ "$show_usage" -eq 1 ]; then
+     # Display Firefox help, then our help
+-    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser" \
+-        -profile TorBrowser/Data/Browser/profile.default --help 2>/dev/null
++    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ${TBB_STORE_PATH}/firefox --class "Tor Browser" \
++        -profile Data/Browser/profile.default --help 2>/dev/null
+     tbb_usage
+ elif [ "$detach" -eq 1 ] ; then
+-    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser" \
+-       -profile TorBrowser/Data/Browser/profile.default "${@}" > "$logfile" 2>&1 </dev/null &
++    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ${TBB_STORE_PATH}/firefox --class "Tor Browser" \
++       -profile Data/Browser/profile.default "${@}" > "$logfile" 2>&1 </dev/null &
+     disown "$!"
+ elif [ "$log_output" -eq 1 -a "$show_output" -eq 1 ]; then
+-    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser" \
+-        -profile TorBrowser/Data/Browser/profile.default "${@}" 2>&1 </dev/null | \
++    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ${TBB_STORE_PATH}/firefox --class "Tor Browser" \
++        -profile Data/Browser/profile.default "${@}" 2>&1 </dev/null | \
+         tee "$logfile"
+ elif [ "$show_output" -eq 1 ]; then
+-    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser" \
+-        -profile TorBrowser/Data/Browser/profile.default "${@}" < /dev/null
++    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ${TBB_STORE_PATH}/firefox --class "Tor Browser" \
++        -profile Data/Browser/profile.default "${@}" < /dev/null
+ else
+-    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser" \
+-        -profile TorBrowser/Data/Browser/profile.default "${@}" > "$logfile" 2>&1 </dev/null
++    TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ${TBB_STORE_PATH}/firefox --class "Tor Browser" \
++        -profile Data/Browser/profile.default "${@}" > "$logfile" 2>&1 </dev/null
+ fi
+ 
+ exit $?
diff --git a/gnu/packages/tor.scm b/gnu/packages/tor.scm
index dd362d3af8..bc7a3486f8 100644
--- a/gnu/packages/tor.scm
+++ b/gnu/packages/tor.scm
@@ -32,26 +32,63 @@
   #:use-module (guix utils)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix build-system cargo)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
   #:use-module (guix build-system python)
+  #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages assembly)
+  #:use-module (gnu packages audio)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages base)
+  #:use-module (gnu packages bash)
   #:use-module (gnu packages check)
   #:use-module (gnu packages compression)
+  #:use-module (gnu packages cups)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages gl)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gnome)
   #:use-module (gnu packages golang)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages icu4c)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages kerberos)
+  #:use-module (gnu packages libcanberra)
   #:use-module (gnu packages libevent)
+  #:use-module (gnu packages libffi)
   #:use-module (gnu packages linux)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages node)
+  #:use-module (gnu packages nss)
   #:use-module (gnu packages pcre)
+  #:use-module (gnu packages perl)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages pulseaudio)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-crypto)
   #:use-module (gnu packages python-web)
   #:use-module (gnu packages python-xyz)
   #:use-module (gnu packages qt)
+  #:use-module (gnu packages readline)
+  #:use-module (gnu packages rsync) ; for httpse
+  #:use-module (gnu packages rust)
+  #:use-module (gnu packages rust-apps)
+  #:use-module (gnu packages sqlite)
   #:use-module (gnu packages tls)
-  #:use-module (gnu packages w3m))
+  #:use-module (gnu packages version-control)
+  #:use-module (gnu packages video)
+  #:use-module (gnu packages vim) ; for xxd
+  #:use-module (gnu packages w3m)
+  #:use-module (gnu packages xdisorg)
+  #:use-module (gnu packages xiph)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages xml) ; for httpse
+  #:use-module (ice-9 match)
+  #:use-module ((srfi srfi-1) #:hide (zip)))
 
 (define-public tor
   (package
@@ -398,3 +435,794 @@ incorporates ideas and concepts from Philipp Winter's ScrambleSuit protocol.
 The obfs naming was chosen primarily because it was shorter, in terms of
 protocol ancestery obfs4 is much closer to ScrambleSuit than obfs2/obfs3.")
    (license license:gpl3+)))
+
+;; Upstream does not seem to keep tor-browser and tor-browser-build versions
+;; in sync
+(define %torbrowser-version "68.12.0esr-9.5-1")
+(define %torbrowser-build-version "9.5.4")
+(define %torbrowser-build "build1")
+(define %torbrowser-build-id "20200729000000");must be of the form YYYYMMDDhhmmss
+
+;; Fonts for Tor Browser. Avoid downloading 4Gb+ git repo on
+;; https://github.com/googlei18n/noto-fonts.git to use just a handful.
+;; Use the fonts on Tor Browser release tarball.
+(define torbrowser-fonts
+  (package
+   (name "torbrowser-fonts")
+   ; Tor Browser fonts did not change since last release and were not available
+   ; when this version was built, the previous version were kept.
+   ;(version %torbrowser-build-version)
+   (version "9.5.3")
+   (source
+    (origin
+     (method url-fetch)
+     (uri (string-append "https://dist.torproject.org/torbrowser/"
+                         version "/tor-browser-linux64-"
+                         version "_en-US.tar.xz"))
+     (sha256
+      (base32
+       "1kqvr0sag94xdkq85k426qq1hz2b52m315yz51w6hvc87d8332b4"))))
+   (build-system trivial-build-system)
+   (native-inputs
+    `(("tar" ,tar)
+      ("xz" ,xz)))
+   (arguments
+    `(#:modules ((guix build utils))
+      #:builder (begin
+                  (use-modules (guix build utils))
+                  (let ((src (assoc-ref %build-inputs "source"))
+                        (src-dir "tor-browser_en-US/Browser/fonts")
+                        (fonts (string-append %output "/share/fonts"))
+                        (tar (assoc-ref %build-inputs "tar"))
+                        (xz (assoc-ref %build-inputs "xz")))
+                    (mkdir-p fonts)
+                    (format #t "Untaring torbrowser ball ...~%")
+                    (invoke (string-append tar "/bin/tar") "-xf" src
+                            "-C" fonts "--strip-components=3"
+                            (string-append "--use-compress-program=" xz "/bin/xz")
+                            src-dir)
+                    #t))))
+   (home-page "https://github.com/googlei18n/noto-fonts")
+   (synopsis "Tor Browser bundled fonts")
+   (description "Free fonts bundled with Tor Browser.  Includes a subset of Noto,
+Arimo, Cousine, Tinos and STIX fonts.")
+   (license license:silofl1.1)))
+
+(define tor-browser-build
+  (let ((commit (string-append "tbb-" %torbrowser-build-version
+                               "-" %torbrowser-build)))
+    (package
+     (name "tor-browser-build")
+     (version %torbrowser-build-version)
+     (source
+      (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://git.torproject.org/builders/tor-browser-build.git")
+             (commit commit)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0mq9ml8p0l2nnwjgr6dqn00pzk7h5zpi3hhr093hq99bapxs3wcs"))))
+     (build-system trivial-build-system)
+     (arguments
+      `(#:modules ((guix build utils))
+        #:builder (begin
+                    (use-modules (guix build utils))
+                    (format #t "Copying build scripts ...~%")
+                    (copy-recursively (string-append
+                                       (assoc-ref %build-inputs "source")
+                                       "/projects/tor-browser")
+                                      %output
+                                      #:log (%make-void-port "w")))))
+     (home-page "https://www.torproject.org")
+     (synopsis "Tor Browser Builder scripts")
+     (description "Tor Browser build and runtime scripts.")
+     (license (license:non-copyleft "file://LICENSE")))))
+
+(define torbutton
+  (let ((commit "ebe2bedab44e38f18c7968bd327d99eef7660f34"))
+    (package
+     (name "torbutton")
+     (version %torbrowser-build-version)
+     (source
+      (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://git.torproject.org/torbutton.git")
+             (commit commit)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "03xdyszab1a8j98xv6440v4lq58jkfqgmhxc2a62qz8q085d2x83"))))
+     (build-system trivial-build-system)
+     (arguments
+      `(#:modules ((guix build utils))
+        #:builder (begin
+                    (use-modules (guix build utils))
+                    (format #t "Copying source ...~%")
+                    (copy-recursively (assoc-ref %build-inputs "source")
+                                      %output
+                                      #:log (%make-void-port "w")))))
+     (home-page "https://www.torproject.org")
+     (synopsis "Tor Browser built-in extension")
+     (description "Browser extension needed to build and run Tor Browser.")
+     (license (license:non-copyleft "file://LICENSE")))))
+
+(define tor-launcher
+  (package
+   (name "tor-launcher")
+   (version "0.2.21.8")
+   (source
+    (origin
+     (method git-fetch)
+     (uri (git-reference
+           (url "https://git.torproject.org/tor-launcher.git")
+           (commit version)))
+     (file-name (git-file-name name version))
+     (sha256
+      (base32
+       "1mm1z7gv9dv6ymbr3vsg0lsnhnn84zrb6qsa164hmaxcfrwfhz5d"))))
+   (build-system trivial-build-system)
+   (arguments
+    `(#:modules ((guix build utils))
+      #:builder (begin
+                  (use-modules (guix build utils))
+                  (format #t "Copying source ...~%")
+                  (copy-recursively (assoc-ref %build-inputs "source")
+                                    %output
+                                    #:log (%make-void-port "w")))))
+   (home-page "https://www.torproject.org")
+   (synopsis "Tor Browser built-in controler extension")
+   (description "Browser extension that starts the tor process (which
+connects the browser and other applications to the Tor Network), and
+which helps people configure and use @code{tor}. The first window that
+you see when you start Tor Browser is displayed by this extension.")
+   (license (license:non-copyleft "file://src/LICENSE"))))
+
+;; This package is actually a cargo crate, so it should be moved to
+;; crates-io.scm and made public once the cross building to wasm32 is
+;; successful.
+(define https-everywhere-lib-wasm
+  (let ((commit "af199004083ce200f285735f68a5a57c47eed0e6"))
+  (package
+   (name "https-everywhere-lib-wasm")
+   (version "2020.08.13")
+   (source
+    (origin
+     (method git-fetch)
+      (uri (git-reference
+            (url "https://github.com/EFForg/https-everywhere-lib-wasm")
+            (commit commit)))
+      (file-name (git-file-name name version))
+      (sha256
+       (base32
+        "14xv637hf9kzdyr2w0cvx0g5if9nrzflf29p1spdl228yqlv9d5r"))))
+   (build-system trivial-build-system)
+   (arguments
+    `(#:modules ((guix build utils))
+      #:builder (begin
+                  (use-modules (guix build utils))
+                  (format #t "Copying source ...~%")
+                  (copy-recursively (assoc-ref %build-inputs "source")
+                                    %output
+                                    #:log (%make-void-port "w")))))
+   (home-page "https://github.com/EFForg/https-everywhere-lib-wasm")
+   (synopsis "Rust library for https-everywhere browser extension")
+   (description "Rust library for https-everywhere browser
+extension.")
+   (license license:gpl2+))))
+
+;; This should probably go elsewhere on the file system and made
+;; public in order to be shared between Tor Browser and IceCat once
+;; lib-wasm gets fixed.
+(define https-everywhere
+  (package
+   (name "https-everywhere")
+   (version "2020.8.13")
+   (source
+    (origin
+     (method url-fetch)
+     (uri (string-append "https://github.com/EFForg/" name
+                         "/archive/" version ".tar.gz"))
+     (sha256
+      (base32
+       "0xb8q7izlyq80zzvj2j7wqp3srxxmi0wgwrb47lc5w38r7yzqjjd"))))
+   (build-system trivial-build-system)
+   (native-inputs
+    `(("bash" ,bash)
+      ("coreutils" ,coreutils)
+      ("findutils" ,findutils)
+      ("git" ,git)
+      ("grep" ,grep)
+      ("gzip" ,gzip)
+      ("https-everywhere-lib-wasm"
+       ,https-everywhere-lib-wasm)
+      ("libxml2" ,libxml2)
+      ("libxslt" ,libxslt)
+      ("openssl" ,openssl)
+      ("python" ,python)
+      ("rsync" ,rsync)
+      ("sed" ,sed)
+      ("tar" ,tar)
+      ("util-linux" ,util-linux) ; for getopt
+      ("which" ,which)
+      ("xxd" ,xxd)
+      ("zip" ,zip)))
+   (arguments
+    `(#:modules ((guix build utils))
+      #:builder (begin
+                  (use-modules (guix build utils))
+                  (let ((src (assoc-ref %build-inputs "source"))
+                        (httpse-libwasm (assoc-ref %build-inputs
+                                                   "https-everywhere-lib-wasm"))
+                        (bash (assoc-ref %build-inputs "bash"))
+                        (coreutils (assoc-ref %build-inputs "coreutils"))
+                        (findutils (assoc-ref %build-inputs "findutils"))
+                        ;; Might be worth patching make.sh and remove this.
+                        (git (assoc-ref %build-inputs "git"))
+                        (grep (assoc-ref %build-inputs "grep"))
+                        (gzip (assoc-ref %build-inputs "gzip"))
+                        (libxml2 (assoc-ref %build-inputs "libxml2"))
+                        (libxslt (assoc-ref %build-inputs "libxslt"))
+                        (openssl (assoc-ref %build-inputs "openssl"))
+                        (python (assoc-ref %build-inputs "python"))
+                        ;; Possibly not needed and used to update rules at
+                        ;; build time.
+                        (rsync (assoc-ref %build-inputs "rsync"))
+                        (sed (assoc-ref %build-inputs "sed"))
+                        (tar (assoc-ref %build-inputs "tar"))
+                        (util-linux (assoc-ref %build-inputs "util-linux"))
+                        (which (assoc-ref %build-inputs "which"))
+                        (xxd (assoc-ref %build-inputs "xxd"))
+                        (zip (assoc-ref %build-inputs "zip")))
+                    (setenv "SHELL" (string-append bash "/bin/bash"))
+                    (set-path-environment-variable
+                     "PATH" '("bin")
+                     (list bash sed findutils which git python tar openssl rsync
+                           libxml2 libxslt util-linux grep xxd gzip zip coreutils))
+                    (set-path-environment-variable
+                     "LIBRARY_PATH" '("lib")
+                     (list bash sed findutils which git python tar openssl rsync
+                           libxml2 libxslt util-linux grep xxd gzip zip coreutils))
+                    (format #t "Untaring source tarball ...~%")
+                    (invoke "tar" "-xf" src "--strip-components=1")
+                    ;; Python3.6 is hardcoded on these scripts. Using v3.8 appears
+                    ;; to be harmless.
+                    (substitute*
+                     '("install-dev-dependencies.sh"
+                       "make.sh"
+                       "hooks/precommit"
+                       "test/firefox.sh"
+                       "test/manual.sh"
+                       "test/rules/src/https_everywhere_checker/check_rules.py"
+                       "test/script.py"
+                       "test/validations.sh"
+                       "test/validations/filename/run.py"
+                       "test/validations/relaxng/run.py"
+                       "test/validations/securecookie/run.py"
+                       "test/validations/special/run.py"
+                       "utils/create_zip.py"
+                       "utils/chromium-translations.py"
+                       "utils/create-platform-certs/split_combined_cert_file.py"
+                       "utils/mk-client-whitelist/dbconnect.py"
+                       "utils/mk-client-whitelist/run.py"
+                       "utils/merge-rulesets.py"
+                       "utils/setversion.py"
+                       "utils/zipfile_deterministic.py")
+                     (("python3.6") "python3"))
+                    (make-file-writable "lib-wasm")
+                    (copy-recursively httpse-libwasm
+                                      "lib-wasm"
+                                      #:log (%make-void-port "w"))
+                    ;; Remove precompiled binaries from source. This breaks
+                    ;; http-everywhere at runtime, but building is successful.
+                    ;; Once lib-wasm is successfuly cross-compiled to wasm,
+                    ;; remove this.
+                    (with-directory-excursion "lib-wasm/pkg"
+                      (for-each (lambda (file)
+                        (if (file-exists? file)
+                            (delete-file file)
+                            (display (string-append
+                             "Warning: file " file
+                             " not found! Skipping...\n"))))
+                        '("https_everywhere_lib_wasm.js"
+                          "https_everywhere_lib_wasm_bg.wasm")))
+                    (for-each patch-shebang
+                              (find-files "."
+                                          (lambda (file stat)
+                                            ;; Filter out symlinks.
+                                            (eq? 'regular (stat:type stat)))
+                                          #:stat lstat))
+                    ;; Failing to generate the xpi, but copy-dir appears to be
+                    ;; enough.
+                    (invoke "./make.sh")
+                    (copy-recursively "pkg/xpi-eff" %output
+                                      #:log (%make-void-port "w"))
+                    #t))))
+   (home-page "https://www.eff.org/https-everywhere")
+   (synopsis "Browser extension for automatic HTTPS usage")
+   (description "Browser extension that automatically makes the browser to
+use HTTPS instead of plain HTTP when the remote destination makes it
+available to users.")
+   (license license:gpl2+)))
+
+;; Currently there seems to be no binaries on this package, but in
+;; order to avoid the possibility of one getting silently added,
+;; this needs reworking to make it build from source.
+(define noscript
+  (package
+   (name "noscript")
+   (version "11.0.38")
+   (source
+    (origin
+     (method url-fetch)
+     (uri (string-append "https://secure.informaction.com/download/releases/"
+                         name "-" version ".xpi"))
+     (sha256
+      (base32
+       "0f77dh1qj02ayrxiz98px0kl0dlza65fpjzq56nsmhrxmmyrby4c"))))
+   (build-system trivial-build-system)
+   (arguments
+    `(#:modules ((guix build utils))
+      #:builder (begin
+                  (format #t "Copying source ...~%")
+                  (copy-file (assoc-ref %build-inputs "source")
+                             %output))))
+   (home-page "https://noscript.net")
+   (synopsis "Browser extension for protection against known attacks")
+   (description "Browser extension that protects users from a range of
+known attacks on web browsing activity such as Cross-site scripting, clickjack
+and makes possible for the users to block or choose on a per site basis which
+remote javascript to run while browsing the web.")
+   (license license:gpl2+)))
+
+;; (Un)fortunatly Tor Browser has it's own reproducible build system - RBM -
+;; which automates the build process for them and compiles Tor Browser from a
+;; range of repositories and produces a range of tarballs for different
+;; architectures and locales. So we need to cherry-pick what is needed for
+;; guix and produce our own tarball. See
+;; https://gitweb.torproject.org/builders/tor-browser-build.git/projects/\
+;; {tor-browser,firefox}/{build,config} for the rationale applied here. See
+;; also the Hacking on Tor Browser document for a high level introduction at
+;; https://trac.torproject.org/projects/tor/wiki/doc/Tor Browser/Hacking.
+;;
+;; TODO: Import langpacks.
+(define-public torbrowser-unbundle
+  (let ((commit (string-append "tor-browser-" %torbrowser-version
+                               "-" %torbrowser-build)))
+    (package
+     (name "torbrowser-unbundle")
+     (version %torbrowser-build-version)
+     (source
+      (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://git.torproject.org/tor-browser.git")
+             (commit commit)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "02pxbhv64l575p2s2i365v53qyqynn272f64b6gqfrcvhn920g09"))))
+     (build-system gnu-build-system)
+     (inputs
+      `(("alsa-lib" ,alsa-lib)
+        ("bzip2" ,bzip2)
+        ("cups" ,cups)
+        ("dbus-glib" ,dbus-glib)
+        ("ffmpeg" ,ffmpeg)
+        ("freetype" ,freetype)
+        ("gdk-pixbuf" ,gdk-pixbuf)
+        ("glib" ,glib)
+        ("gtk+" ,gtk+)
+        ("gtk+-2" ,gtk+-2)
+        ("graphite2" ,graphite2)
+        ("harfbuzz" ,harfbuzz)
+        ("icu4c" ,icu4c)
+        ("libcanberra" ,libcanberra)
+        ("libgnome" ,libgnome)
+        ("libjpeg-turbo" ,libjpeg-turbo)
+        ("libogg" ,libogg)
+        ;; ("libtheora" ,libtheora) ; wants theora-1.2, not yet released
+        ("libvorbis" ,libvorbis)
+        ("libxft" ,libxft)
+        ("libevent" ,libevent)
+        ("libxinerama" ,libxinerama)
+        ("libxscrnsaver" ,libxscrnsaver)
+        ("libxcomposite" ,libxcomposite)
+        ("libxt" ,libxt)
+        ("libffi" ,libffi)
+        ("libvpx" ,libvpx)
+        ("mesa" ,mesa)
+        ("mit-krb5" ,mit-krb5)
+        ;; See <https://bugs.gnu.org/32833>
+        ;;   and related comments in the 'remove-bundled-libraries' phase.
+        ;; UNBUNDLE-ME! ("nspr" ,nspr)
+        ;; UNBUNDLE-ME! ("nss" ,nss)
+        ("obfs4" ,obfs4)
+        ("pango" ,pango)
+        ("pixman" ,pixman)
+        ("pulseaudio" ,pulseaudio)
+        ("shared-mime-info" ,shared-mime-info)
+        ("sqlite" ,sqlite)
+        ("startup-notification" ,startup-notification)
+        ("tor" ,tor-client)
+        ("unzip" ,unzip)
+        ("zip" ,zip)
+        ("zlib" ,zlib)))
+     (native-inputs
+      `(("autoconf" ,autoconf-2.13)
+        ("bash" ,bash)
+        ("cargo" ,rust "cargo")
+        ("clang" ,clang)
+        ("https-everywhere" ,https-everywhere)
+        ("llvm" ,llvm)
+        ("patch" ,(canonical-package patch))
+        ("torbrowser-start-tor-browser.patch"
+         ,(search-patch "torbrowser-start-tor-browser.patch"))
+        ("torbrowser-start-tor-browser.desktop.patch"
+         ,(search-patch "torbrowser-start-tor-browser.desktop.patch"))
+        ("perl" ,perl)
+        ("pkg-config" ,pkg-config)
+        ("python" ,python)
+        ("python2" ,python-2.7)
+        ("python2-pysqlite" ,python2-pysqlite)
+        ("nasm" ,nasm)  ; XXX FIXME: only needed on x86_64 and i686
+        ("node" ,node)
+        ("noscript" ,noscript)
+        ("rust" ,rust)
+        ("rust-cbindgen" ,rust-cbindgen)
+        ("tor-browser-build" ,tor-browser-build)
+        ("torbrowser-fonts" ,torbrowser-fonts)
+        ("tor-launcher" ,tor-launcher)
+        ("torbutton" ,torbutton)
+        ("which" ,which)
+        ("yasm" ,yasm)))
+     (arguments
+      `(#:tests? #f ; Some tests are autodone by mach on build fase.
+
+        ;; XXX: There are RUNPATH issues such as
+        ;; $prefix/lib/icecat-31.6.0/plugin-container NEEDing libmozalloc.so,
+        ;; which is not in its RUNPATH, but they appear to be harmless in
+        ;; practice somehow.  See <http://hydra.gnu.org/build/378133>.
+        #:validate-runpath? #f
+        #:imported-modules ,%cargo-utils-modules ;for `generate-all-checksums'
+        ;; This modules where copied from IceCat package definition and some
+        ;; of them are probably not needed anymore. TODO: verify if/which
+        ;; are still needed.
+        #:modules ((ice-9 ftw)
+                   (ice-9 rdelim)
+                   (ice-9 regex)
+                   (ice-9 match)
+                   (srfi srfi-34)
+                   (srfi srfi-35)
+                   (rnrs bytevectors)
+                   (rnrs io ports)
+                   (guix elf)
+                   (guix build gremlin)
+                   (guix build utils)
+                   (sxml simple)
+                   ,@%gnu-build-system-modules)
+        #:phases
+        (modify-phases %standard-phases
+          (add-after 'unpack 'make-bundle
+            (lambda* (#:key inputs native-inputs #:allow-other-keys)
+              (let ((torbutton (assoc-ref inputs "torbutton"))
+                    (torbutton-dir "toolkit/torproject/torbutton")
+                    (tor-launcher (assoc-ref inputs "tor-launcher"))
+                    (tor-launcher-dir "browser/extensions/tor-launcher")
+                    (tbb (assoc-ref inputs "tor-browser-build"))
+                    (tbb-scripts-dir "tbb-scripts"))
+                (format #t "Copying torbutton source to default path ...~%")
+                (make-file-writable torbutton-dir)
+                (copy-recursively torbutton torbutton-dir
+                                  #:log (%make-void-port "w"))
+                (format #t "Copying tor-launcher ...~%")
+                (copy-recursively tor-launcher tor-launcher-dir
+                                  #:log (%make-void-port "w"))
+                (format #t "Copying tor-browser-build ...~%")
+                (mkdir tbb-scripts-dir)
+                (copy-recursively tbb tbb-scripts-dir
+                                  #:log (%make-void-port "w"))
+                (make-file-writable (string-append
+                                     tbb-scripts-dir
+                                     "/RelativeLink/start-tor-browser"))
+                (make-file-writable (string-append
+                                     tbb-scripts-dir
+                                     "/RelativeLink/start-tor-browser.desktop")))
+              #t))
+
+          (add-after 'make-bundle 'apply-guix-specific-patches
+            (lambda* (#:key inputs native-inputs #:allow-other-keys)
+              (let ((patch (string-append (assoc-ref (or native-inputs inputs)
+                                                     "patch")
+                                          "/bin/patch")))
+                (for-each (match-lambda
+                  ((label . file)
+                     (when (and (string-prefix? "torbrowser-" label)
+                       (string-suffix? ".patch" label))
+                       (format #t "applying '~a'...~%" file)
+                       (invoke patch "--force" "--no-backup-if-mismatch"
+                                     "-p1" "--input" file))))
+                  (or native-inputs inputs)))
+              #t))
+
+          ;; On mach build system this is done on configure.
+          (delete 'bootstrap)
+
+          (add-after 'patch-source-shebangs 'patch-cargo-checksums
+            (lambda _
+              (use-modules (guix build cargo-utils))
+              (let ((null-hash
+                     "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"))
+                (substitute* '("Cargo.lock" "gfx/wr/Cargo.lock")
+                  (("(\"checksum .* = )\".*\"" all name)
+                   (string-append name "\"" null-hash "\"")))
+                (generate-all-checksums "third_party/rust"))
+              #t))
+
+          (add-after 'build 'neutralize-store-references
+            (lambda _
+              ;; Mangle the store references to compilers & other build tools in
+              ;; about:buildconfig, reducing Tor Browser's closure significant.
+              ;; The resulting files are saved in lib/firefox/omni.ja
+              (substitute*
+               "objdir/dist/bin/chrome/toolkit/content/global/buildconfig.html"
+               (((format #f "(~a/)([0-9a-df-np-sv-z]{32})"
+                         (regexp-quote (%store-directory))) _ store hash)
+                (string-append store
+                               (string-take hash 8)
+                               "<!-- Guix: not a runtime dependency -->"
+                               (string-drop hash 8))))
+              #t))
+
+          (replace 'configure
+            (lambda* (#:key inputs outputs configure-flags #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (bash (which "bash"))
+                     (flags `(,(string-append "--prefix=" out)
+                                              ,@configure-flags)))
+                (setenv "SHELL" bash)
+                (setenv "AUTOCONF" (string-append
+                                    (assoc-ref %build-inputs "autoconf")
+                                               "/bin/autoconf"))
+                (setenv "CONFIG_SHELL" bash)
+                (setenv "PYTHON" (string-append
+                                  (assoc-ref inputs "python2")
+                                  "/bin/python"))
+                (setenv "MOZ_BUILD_DATE"
+                        ,%torbrowser-build-id) ; avoid timestamp.
+                (setenv "LDFLAGS" (string-append
+                                   "-Wl,-rpath="
+                                   (assoc-ref outputs "out")
+                                   "/lib/firefox"))
+                ;; This needs reworking to use the mozconfig available on
+                ;; tor-browser-builder repo which is the one Tor Project
+                ;; actually uses and which warranted some of the changes
+                ;; below.
+                (substitute* ".mozconfig"
+                  ;; Arch independent builddir.
+                  (("(mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj).*" _ m)
+                   (string-append m "dir\n"))
+                  (("ac_add_options --disable-tor-launcher") "")
+                  ;; We won't be building incrementals.
+                  (("ac_add_options --enable-signmar") "")
+                  (("ac_add_options --enable-verify-mar") "")
+                  (("ac_add_options --with-tor-browser-version=dev-build")
+                   (string-append
+                    "ac_add_options --with-tor-browser-version=org.gnu\n"
+                    "ac_add_options --with-unsigned-addon-scopes=app\n"
+                    "ac_add_options --enable-pulseaudio\n"
+                    "ac_add_options --disable-debug-symbols\n"
+                    "ac_add_options --disable-updater\n"
+                    "ac_add_options --disable-gconf\n"
+                    ;; Other syslibs that can be unbundled? (nss, nspr)
+                    "ac_add_options --enable-system-pixman\n"
+                    "ac_add_options --enable-system-ffi\n"
+                    "ac_add_options --with-system-bz2\n"
+                    "ac_add_options --with-system-icu\n"
+                    "ac_add_options --with-system-jpeg\n"
+                    "ac_add_options --with-system-libevent\n"
+                    "ac_add_options --with-system-zlib\n"
+                    ;; Without these clang is not found.
+                    "ac_add_options --with-clang-path="
+                    (assoc-ref %build-inputs "clang") "/bin/clang\n"
+                    "ac_add_options --with-libclang-path="
+                    (assoc-ref %build-inputs "clang") "/lib\n")))
+
+                (substitute* "browser/app/profile/000-tor-browser.js"
+                  ;; Tor Browser updates are disabled on mozconfig, but let's be sure.
+                  (("(pref\\(\"extensions.torbutton.versioncheck_enabled\").*" _ m)
+                   (string-append m ",false);\n")))
+
+                (substitute*
+                 "browser/extensions/tor-launcher/src/defaults/preferences/torlauncher-prefs.js"
+                  ;; Not multilingual. See tor-browser/build:141. Currently disabled on
+                  ;; tor-launcher, but let's make sure while missing langpacks.
+                 (("(pref\\(\"extensions.torlauncher.prompt_for_locale\").*" _ m)
+                  (string-append m ", false);\n")))
+
+                ;; For user data outside the guix store.
+                (substitute* "xpcom/io/TorFileUtils.cpp"
+                  (("ANDROID") "GNUGUIX"))
+                   (substitute* "old-configure.in"
+                  (("(AC_SUBST\\(TOR_BROWSER_DISABLE_TOR_LAUNCHER\\))" _ m)
+                   (string-append m "\n AC_DEFINE(GNUGUIX)\n")))
+
+                (format #t "Invoking mach configure ...~%")
+                (invoke "./mach" "configure"))
+              #t))
+
+          (replace 'build
+            (lambda _ (invoke "./mach" "build")
+              #t))
+
+          ;; Tor Browser just do a stage-package here and copy files to its places.
+          (replace 'install
+            (lambda* (#:key inputs native-inputs outputs
+                      configure-flags #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (applications (string-append out "/share/applications"))
+                     (build "objdir/dist/firefox")
+                     (bin (string-append out "/bin"))
+                     (lib (string-append out "/lib/firefox"))
+                     (start-script
+                      "tbb-scripts/RelativeLink/start-tor-browser")
+                     (desktop-file
+                      "tbb-scripts/RelativeLink/start-tor-browser.desktop"))
+                (invoke "./mach" "build" "stage-package")
+                ;; Tor Browser doesn't use those.
+                ;; See: tor-browser-build.git/projects/firefox/build:167
+                (format #t "Deleting spurious files ...~%")
+                (with-directory-excursion build
+                  (for-each (lambda (file)
+                              (if (file-exists? file)
+                                  (delete-file file)
+                                  (display (string-append
+                                            "Warning: file " file
+                                            " not found! Skipping...\n"))))
+                            '("firefox-bin" "libfreeblpriv3.chk" "libnssdbm3.chk"
+                              "libsoftokn3.chk" "fonts/TwemojiMozilla.ttf")))
+                (rmdir (string-append build "/fonts"))
+                (format #t "Creating install dirs ...~%")
+                (mkdir-p applications)
+                (mkdir-p lib)
+                (mkdir bin)
+                (format #t "Copying files to install dirs ...~%")
+                (copy-recursively build (string-append lib "/")
+                                  #:log (%make-void-port "w"))
+                (copy-file start-script
+                           (string-append lib "/start-tor-browser"))
+                (copy-file desktop-file
+                           (string-append lib "/start-tor-browser.desktop"))
+                (chmod (string-append lib "/start-tor-browser") #o555)
+                (chmod (string-append lib "/start-tor-browser.desktop") #o555)
+                (format #t "Linking start-tor-browser script ...~%")
+                (symlink (string-append lib "/start-tor-browser")
+                         (string-append bin "/start-tor-browser"))
+                (format #t "Installing desktop file ...~%")
+                (install-file desktop-file applications))
+              #t))
+
+          (add-after 'install 'install-icons
+            (lambda* (#:key outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (icons-src (string-append
+                                 out "/lib/firefox/browser/chrome/icons/default")))
+                (with-directory-excursion
+                 icons-src
+                 (for-each
+                   (lambda (file)
+                     (let* ((size (string-filter char-numeric? file))
+                            (icons (string-append out "/share/icons/hicolor/"
+                                                  size "x" size "/apps")))
+                       (mkdir-p icons)
+                       (copy-file file (string-append icons "/torbrowser.png"))))
+                   '("default16.png" "default32.png" "default48.png" "default64.png"
+                     "default128.png"))))
+              #t))
+
+          (add-after 'install-icons 'install-fonts
+            (lambda* (#:key inputs native-inputs outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (lib (string-append out "/lib/firefox/"))
+                     (fonts  (string-append (or (assoc-ref native-inputs
+                                                           "torbrowser-fonts")
+                                                (assoc-ref inputs
+                                                           "torbrowser-fonts"))
+                                            "/share")))
+                (copy-recursively fonts lib
+                                  #:log (%make-void-port "w"))
+                (symlink (string-append lib "/fonts")
+                         (string-append out "/share/fonts")))
+              #t))
+
+          (add-after 'install-fonts 'install-extensions
+            (lambda* (#:key inputs native-inputs outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (ext (string-append out "/lib/firefox/browser/extensions"))
+                     (noscript-id "{73a6fe31-595d-460b-a920-fcc0f8843232}")
+                     (httpse-id "https-everywhere-eff@eff.org")
+                     (noscript (assoc-ref inputs "noscript"))
+                     (httpse (assoc-ref inputs "https-everywhere")))
+                (mkdir-p ext)
+                (copy-file noscript (string-append
+                                     ext "/" noscript-id ".xpi"))
+                (copy-recursively httpse
+                                  (string-append ext "/" httpse-id)
+                                  #:log (%make-void-port "w"))
+                (chmod (string-append ext "/" noscript-id ".xpi") #o555))
+              #t))
+
+          (add-after 'install-extensions 'link-binaries
+            (lambda* (#:key inputs native-inputs outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (tordir (string-append out "/lib/firefox/TorBrowser/Tor"))
+                     (ptdir (string-append tordir "/PluggableTransports"))
+                     (obfs4 (string-append (assoc-ref inputs "obfs4")
+                                           "/bin/obfs4proxy"))
+                     (tor (string-append (assoc-ref inputs "tor")
+                                         "/bin/tor")))
+                (mkdir-p ptdir)
+                (symlink tor (string-append tordir "/tor"))
+                (symlink obfs4 (string-append ptdir "/obfs4proxy")))
+              #t))
+
+          (add-after 'link-binaries 'copy-bundle-data
+            (lambda* (#:key inputs native-inputs outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (lib (string-append out "/lib/firefox"))
+                     (tbb "tbb-scripts")
+                     (ptconf (string-append tbb "/Bundle-Data/PTConfigs"))
+                     (docs (string-append lib "/TorBrowser/Docs"))
+                     (data (string-append lib "/TorBrowser/Data")))
+                (mkdir-p data)
+                (mkdir docs)
+                (with-directory-excursion
+                 (string-append tbb "/Bundle-Data/linux/Data")
+                 (for-each (lambda (file)
+                             (copy-recursively file
+                                               (string-append data "/" file)
+                                               #:log (%make-void-port "w")))
+                           '("Browser" "fontconfig" "Tor")))
+                (copy-file (string-append ptconf "/linux/torrc-defaults-appendix")
+                           (string-append data "/Tor/torrc-defaults-appendix"))
+                (copy-file (string-append ptconf "/bridge_prefs.js")
+                           (string-append
+                            data "/Browser/bridge-prefs-js-appendix"))
+                (copy-recursively (string-append tbb "/Bundle-Data/Docs")
+                                  (string-append docs "/")
+                                  #:log (%make-void-port "w")))
+              #t))
+
+          ;; This fixes the file chooser crash that happens with GTK 3
+          (add-after 'copy-bundle-data 'wrap-program
+            (lambda* (#:key inputs outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (lib (string-append out "/lib/firefox"))
+                     (gtk (assoc-ref inputs "gtk+"))
+                     (gtk-share (string-append gtk "/share"))
+                     (mesa (assoc-ref inputs "mesa"))
+                     (mesa-lib (string-append mesa "/lib"))
+                     (pulseaudio (assoc-ref inputs "pulseaudio"))
+                     (pulseaudio-lib (string-append pulseaudio "/lib"))
+                     (libxscrnsaver (assoc-ref inputs "libxscrnsaver"))
+                     (libxscrnsaver-lib (string-append libxscrnsaver "/lib")))
+                (wrap-program (car (find-files lib "^firefox$"))
+                  `("XDG_DATA_DIRS" prefix (,gtk-share))
+                  `("LD_LIBRARY_PATH" prefix (,pulseaudio-lib ,mesa-lib
+                                              ,libxscrnsaver-lib))))
+              #t)))))
+     (home-page "https://www.torproject.org")
+     (synopsis "Anonymous browser derived from Mozilla Firefox")
+     (description
+      "Tor Browser is the Tor Project version of Firefox browser.  It is
+the only recommended way to anonymously browse the web that is supported by
+the project.  It modifies Firefox in order to avoid many know application
+level attacks on the privacy of Tor users.
+
+WARNING: This is not the official Tor Browser and is currently on testing.
+Https-everywhere browser extension is currently not working so use it at
+your own risk and please report back on guix channels if you find any
+issues.")
+     (license license:mpl2.0)))) ;and others, see toolkit/content/license.html
-- 
2.27.0


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