firefox-user.js/updater.sh
earthlng 3430507ae4
v3.0 - improve readIniFile() (#1128)
- grep -c equals grep | wc -l
- make output prettier
- work with variable instead of temporary file

+ a few minor changes/cleanup
2021-03-07 13:29:33 +00:00

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#!/usr/bin/env bash
## arkenfox user.js updater for macOS and Linux
## version: 3.0
## Author: Pat Johnson (@overdodactyl)
## Additional contributors: @earthlng, @ema-pe, @claustromaniac
## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in update_updater() )
readonly CURRDIR=$(pwd)
SCRIPT_FILE=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
[ -z "$SCRIPT_FILE" ] && SCRIPT_FILE=${BASH_SOURCE[0]}
readonly SCRIPT_DIR=$(dirname "${SCRIPT_FILE}")
#########################
# Base variables #
#########################
# Colors used for printing
RED='\033[0;31m'
BLUE='\033[0;34m'
BBLUE='\033[1;34m'
GREEN='\033[0;32m'
ORANGE='\033[0;33m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color
# Argument defaults
UPDATE='check'
CONFIRM='yes'
OVERRIDE='user-overrides.js'
BACKUP='multiple'
COMPARE=false
SKIPOVERRIDE=false
VIEW=false
PROFILE_PATH=false
ESR=false
# Download method priority: curl -> wget
DOWNLOAD_METHOD=''
if [[ $(command -v 'curl') ]]; then
DOWNLOAD_METHOD='curl --max-redirs 3 -so'
elif [[ $(command -v 'wget') ]]; then
DOWNLOAD_METHOD='wget --max-redirect 3 --quiet -O'
else
echo -e "${RED}This script requires curl or wget.\nProcess aborted${NC}"
exit 1
fi
show_banner () {
echo -e "${BBLUE}
############################################################################
#### ####
#### arkenfox user.js ####
#### Hardening the Privacy and Security Settings of Firefox ####
#### Maintained by @Thorin-Oakenpants and @earthlng ####
#### Updater for macOS and Linux by @overdodactyl ####
#### ####
############################################################################"
echo -e "${NC}\n"
echo -e "Documentation for this script is available here: ${CYAN}https://github.com/arkenfox/user.js/wiki/3.3-Updater-Scripts${NC}\n"
}
#########################
# Arguments #
#########################
usage() {
echo
echo -e "${BLUE}Usage: $0 [-bcdehlnrsuv] [-p PROFILE] [-o OVERRIDE]${NC}" 1>&2 # Echo usage string to standard error
echo -e "
Optional Arguments:
-h Show this help message and exit.
-p PROFILE Path to your Firefox profile (if different than the dir of this script)
IMPORTANT: If the path contains spaces, wrap the entire argument in quotes.
-l Choose your Firefox profile from a list
-u Update updater.sh and execute silently. Do not seek confirmation.
-d Do not look for updates to updater.sh.
-s Silently update user.js. Do not seek confirmation.
-b Only keep one backup of each file.
-c Create a diff file comparing old and new user.js within userjs_diffs.
-o OVERRIDE Filename or path to overrides file (if different than user-overrides.js).
If used with -p, paths should be relative to PROFILE or absolute paths
If given a directory, all files inside will be appended recursively.
You can pass multiple files or directories by passing a comma separated list.
Note: If a directory is given, only files inside ending in the extension .js are appended
IMPORTANT: Do not add spaces between files/paths. Ex: -o file1.js,file2.js,dir1
IMPORTANT: If any file/path contains spaces, wrap the entire argument in quotes.
Ex: -o \"override folder\"
-n Do not append any overrides, even if user-overrides.js exists.
-v Open the resulting user.js file.
-r Only download user.js to a temporary file and open it.
-e Activate ESR related preferences."
echo
exit 1
}
#########################
# File Handling #
#########################
download_file () { # expects URL as argument ($1)
declare -r tf=$(mktemp)
$DOWNLOAD_METHOD "${tf}" "$1" && echo "$tf" || echo '' # return the temp-filename or empty string on error
}
open_file () { # expects one argument: file_path
if [ "$(uname)" == 'Darwin' ]; then
open "$1"
elif [ "$(uname -s | cut -c -5)" == "Linux" ]; then
xdg-open "$1"
else
echo -e "${RED}Error: Sorry, opening files is not supported for your OS.${NC}"
fi
}
readIniFile () { # expects one argument: absolute path of profiles.ini
declare -r inifile="$1"
# tempIni will contain: [ProfileX], Name=, IsRelative= and Path= (and Default= if present) of the only (if) or the selected (else) profile
if [ $(grep -c '^\[Profile' "${inifile}") -eq "1" ]; then ### only 1 profile found
tempIni="$(grep '^\[Profile' -A 4 "${inifile}")"
else
echo -e "Profiles found:\n"
## cmd-substitution to strip trailing newlines and in quotes to keep internal ones:
echo "$(grep --color=never -E 'Default=[^1]|\[Profile[0-9]*\]|Name=|Path=|^$' "${inifile}")"
echo ''
read -p 'Select the profile number ( 0 for Profile0, 1 for Profile1, etc ) : ' -r
echo -e "\n"
if [[ $REPLY =~ ^(0|[1-9][0-9]*)$ ]]; then
tempIni="$(grep "^\[Profile${REPLY}" -A 4 "${inifile}")" || {
echo -e "${RED}Profile${REPLY} does not exist!${NC}" && exit 1
}
else
echo -e "${RED}Invalid selection!${NC}" && exit 1
fi
fi
# extracting 0 or 1 from the "IsRelative=" line
declare -r pathisrel=$(sed -n 's/^IsRelative=\([01]\)$/\1/p' <<< "${tempIni}")
# extracting only the path itself, excluding "Path="
PROFILE_PATH=$(sed -n 's/^Path=\(.*\)$/\1/p' <<< "${tempIni}")
# update global variable if path is relative
[[ ${pathisrel} == "1" ]] && PROFILE_PATH="$(dirname "${inifile}")/${PROFILE_PATH}"
}
getProfilePath () {
declare -r f1=~/Library/Application\ Support/Firefox/profiles.ini
declare -r f2=~/.mozilla/firefox/profiles.ini
if [ "$PROFILE_PATH" = false ]; then
PROFILE_PATH="$SCRIPT_DIR"
elif [ "$PROFILE_PATH" = 'list' ]; then
if [[ -f "$f1" ]]; then
readIniFile "$f1" # updates PROFILE_PATH or exits on error
elif [[ -f "$f2" ]]; then
readIniFile "$f2"
else
echo -e "${RED}Error: Sorry, -l is not supported for your OS${NC}"
exit 1
fi
#else
# PROFILE_PATH already set by user with -p
fi
}
#########################
# Update updater.sh #
#########################
# Returns the version number of a updater.sh file
get_updater_version () {
echo $(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$1")
}
# Update updater.sh
# Default: Check for update, if available, ask user if they want to execute it
# Args:
# -d: New version will not be looked for and update will not occur
# -u: Check for update, if available, execute without asking
update_updater () {
[ $UPDATE = 'no' ] && return 0 # User signified not to check for updates
declare -r tmpfile="$(download_file 'https://raw.githubusercontent.com/arkenfox/user.js/master/updater.sh')"
[ -z "${tmpfile}" ] && echo -e "${RED}Error! Could not download updater.sh${NC}" && return 1 # check if download failed
if [[ $(get_updater_version "$SCRIPT_FILE") < $(get_updater_version "${tmpfile}") ]]; then
if [ $UPDATE = 'check' ]; then
echo -e "There is a newer version of updater.sh available. ${RED}Update and execute Y/N?${NC}"
read -p "" -n 1 -r
echo -e "\n\n"
[[ $REPLY =~ ^[Nn]$ ]] && return 0 # Update available, but user chooses not to update
fi
else
return 0 # No update available
fi
mv "${tmpfile}" "$SCRIPT_FILE"
chmod u+x "$SCRIPT_FILE"
"$SCRIPT_FILE" "$@" -d
exit 0
}
#########################
# Update user.js #
#########################
# Returns version number of a user.js file
get_userjs_version () {
[ -e $1 ] && echo "$(sed -n '4p' "$1")" || echo "Not detected."
}
add_override () {
input=$1
if [ -f "$input" ]; then
echo "" >> user.js
cat "$input" >> user.js
echo -e "Status: ${GREEN}Override file appended:${NC} ${input}"
elif [ -d "$input" ]; then
SAVEIFS=$IFS
IFS=$'\n\b' # Set IFS
FILES="${input}"/*.js
for f in $FILES
do
add_override "$f"
done
IFS=$SAVEIFS # restore $IFS
else
echo -e "${ORANGE}Warning: Could not find override file:${NC} ${input}"
fi
}
remove_comments () { # expects 2 arguments: from-file and to-file
sed -e 's/^[[:space:]]*\/\/.*$//' -e '/^\/\*/,/\*\//d' -e '/^[[:space:]]*$/d' -e 's/);[[:space:]]*\/\/.*/);/' "$1" > "$2"
}
# Applies latest version of user.js and any custom overrides
update_userjs () {
declare -r newfile="$(download_file 'https://raw.githubusercontent.com/arkenfox/user.js/master/user.js')"
[ -z "${newfile}" ] && echo -e "${RED}Error! Could not download user.js${NC}" && return 1 # check if download failed
echo -e "Please observe the following information:
Firefox profile: ${ORANGE}$(pwd)${NC}
Available online: ${ORANGE}$(get_userjs_version $newfile)${NC}
Currently using: ${ORANGE}$(get_userjs_version user.js)${NC}\n\n"
if [ $CONFIRM = 'yes' ]; then
echo -e "This script will update to the latest user.js file and append any custom configurations from user-overrides.js. ${RED}Continue Y/N? ${NC}"
read -p "" -n 1 -r
echo -e "\n"
if [[ $REPLY =~ ^[Nn]$ ]]; then
echo -e "${RED}Process aborted${NC}"
rm $newfile
return 1
fi
fi
# Copy a version of user.js to diffs folder for later comparison
if [ "$COMPARE" = true ]; then
mkdir -p userjs_diffs
cp user.js userjs_diffs/past_user.js &>/dev/null
fi
# backup user.js
mkdir -p userjs_backups
local bakname="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
[ $BACKUP = 'single' ] && bakname='userjs_backups/user.js.backup'
cp user.js "$bakname" &>/dev/null
mv "${newfile}" user.js
echo -e "Status: ${GREEN}user.js has been backed up and replaced with the latest version!${NC}"
if [ "$ESR" = true ]; then
sed -e 's/\/\* \(ESR[0-9]\{2,\}\.x still uses all.*\)/\/\/ \1/' user.js > user.js.tmp && mv user.js.tmp user.js
echo -e "Status: ${GREEN}ESR related preferences have been activated!${NC}"
fi
# apply overrides
if [ "$SKIPOVERRIDE" = false ]; then
while IFS=',' read -ra FILES; do
for FILE in "${FILES[@]}"; do
add_override "$FILE"
done
done <<< "$OVERRIDE"
fi
# create diff
if [ "$COMPARE" = true ]; then
pastuserjs='userjs_diffs/past_user.js'
past_nocomments='userjs_diffs/past_userjs.txt'
current_nocomments='userjs_diffs/current_userjs.txt'
remove_comments $pastuserjs $past_nocomments
remove_comments user.js $current_nocomments
diffname="userjs_diffs/diff_$(date +"%Y-%m-%d_%H%M").txt"
diff=$(diff -w -B -U 0 $past_nocomments $current_nocomments)
if [ ! -z "$diff" ]; then
echo "$diff" > "$diffname"
echo -e "Status: ${GREEN}A diff file was created:${NC} ${PWD}/${diffname}"
else
echo -e "Warning: ${ORANGE}Your new user.js file appears to be identical. No diff file was created.${NC}"
[ $BACKUP = 'multiple' ] && rm $bakname &>/dev/null
fi
rm $past_nocomments $current_nocomments $pastuserjs &>/dev/null
fi
[ "$VIEW" = true ] && open_file "${PWD}/user.js"
}
#########################
# Execute #
#########################
if [ $# != 0 ]; then
# Display usage if first argument is -help or --help
if [ $1 = '--help' ] || [ $1 = '-help' ]; then
usage
else
while getopts ":hp:ludsno:bcvre" opt; do
case $opt in
h)
usage
;;
p)
PROFILE_PATH=${OPTARG}
;;
l)
PROFILE_PATH='list'
;;
u)
UPDATE='yes'
;;
d)
UPDATE='no'
;;
s)
CONFIRM='no'
;;
n)
SKIPOVERRIDE=true
;;
o)
OVERRIDE=${OPTARG}
;;
b)
BACKUP='single'
;;
c)
COMPARE=true
;;
v)
VIEW=true
;;
e)
ESR=true
;;
r)
tfile="$(download_file 'https://raw.githubusercontent.com/arkenfox/user.js/master/user.js')"
[ -z "${tfile}" ] && echo -e "${RED}Error! Could not download user.js${NC}" && exit 1 # check if download failed
mv $tfile "${tfile}.js"
echo -e "${ORANGE}Warning: user.js was saved to temporary file ${tfile}.js${NC}"
open_file "${tfile}.js"
exit 0
;;
\?)
echo -e "${RED}\n Error! Invalid option: -$OPTARG${NC}" >&2
usage
;;
:)
echo -e "${RED}Error! Option -$OPTARG requires an argument.${NC}" >&2
exit 2
;;
esac
done
fi
fi
show_banner
update_updater $@
getProfilePath # updates PROFILE_PATH or exits on error
cd "$PROFILE_PATH" && update_userjs
cd "$CURRDIR"