manual-connections/get_token.sh
a1346054 f47b320a4a use modern shell syntax and fix various warnings
This unifies the codestyle across all shell scripts, and fixes many
warnings reported through shellcheck. Additionally, it improves
readability for everyone wishing to see what is actually going on.
2022-02-19 04:01:13 +02:00

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#!/usr/bin/env bash
# Copyright (C) 2020 Private Internet Access, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# This function allows you to check if the required tools have been installed.
check_tool() {
cmd=$1
if ! command -v "$cmd" >/dev/null; then
echo "$cmd could not be found"
echo "Please install $cmd"
exit 1
fi
}
# Now we call the function to make sure we can use curl and jq.
check_tool curl
check_tool jq
# This function creates a timestamp, to use for setting $TOKEN_EXPIRATION
timeout_timestamp() {
date +"%c" --date='1 day' # Timestamp 24 hours
}
# Check if terminal allows output, if yes, define colors for output
if [[ -t 1 ]]; then
ncolors=$(tput colors)
if [[ -n $ncolors && $ncolors -ge 8 ]]; then
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m' # No Color
else
GREEN=''
RED=''
NC='' # No Color
fi
fi
# Only allow script to run as root
if (( EUID != 0 )); then
echo -e "${RED}This script needs to be run as root. Try again with 'sudo $0'${NC}"
exit 1
fi
mkdir -p /opt/piavpn-manual
if [[ -z $PIA_USER || -z $PIA_PASS ]]; then
echo If you want this script to automatically get a token from the Meta
echo service, please add the variables PIA_USER and PIA_PASS. Example:
echo $ PIA_USER=p0123456 PIA_PASS=xxx ./get_token.sh
exit 1
fi
tokenLocation=/opt/piavpn-manual/token
echo -n "Checking login credentials..."
generateTokenResponse=$(curl -s -u "$PIA_USER:$PIA_PASS" \
"https://privateinternetaccess.com/gtoken/generateToken")
if [[ $(echo "$generateTokenResponse" | jq -r '.status') != "OK" ]]; then
echo
echo
echo -e "${RED}Could not authenticate with the login credentials provided!${NC}"
echo
exit
fi
echo -e ${GREEN}OK!
echo
token=$(echo "$generateTokenResponse" | jq -r '.token')
tokenExpiration=$(timeout_timestamp)
echo -e "PIA_TOKEN=$token${NC}"
echo "$token" > /opt/piavpn-manual/token || exit 1
echo "$tokenExpiration" >> /opt/piavpn-manual/token
echo
echo "This token will expire in 24 hours, on $tokenExpiration."
echo