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arijusg/set_proxy_on_work_laptop.sh

Created December 2, 2018 11:42
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  1. arijusg created this gist Dec 2, 2018.
    73 changes: 73 additions & 0 deletions set_proxy_on_work_laptop.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,73 @@
    #!/bin/bash

    ##########################################################################################
    # Set proxy settings automatically using work laptop (~/.bashrc) #
    ##########################################################################################
    USERNAME="<<username>> or <<domain\username>>"
    PASSWORD="password"
    PROXY_ADDRESS="proxy domain address"
    NO_PROXY_DOMAINS=".local,.example.com"
    WORK_IP_RANGE="10.10.10.*"
    ##########################################################################################


    function encodeUrl() {
    # encodeUrl <string>
    old_lc_collate=$LC_COLLATE
    LC_COLLATE=C

    local length="${#1}"
    for (( i = 0; i < length; i++ )); do
    local c="${1:i:1}"
    case $c in
    [a-zA-Z0-9.~_-]) printf "$c" ;;
    *) printf '%%%02X' "'$c" ;;
    esac
    done

    LC_COLLATE=$old_lc_collate
    }

    function isWork() {
    local IPs=$(ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1')
    local is_work=false
    for ip in $(echo ${IPs} | tr " " "\n")
    do
    if [[ ${ip} == ${WORK_IP_RANGE} ]]; then
    is_work=true
    fi
    done
    echo "${is_work}"
    }

    function setWorkProxy() {
    local PROXY_CREDENTIALS="$(encodeUrl ${USERNAME}):$(encodeUrl ${PASSWORD})"
    local PROXY_ADDRESS_WITH_CREDENTIALS="http://${PROXY_CREDENTIALS}@${PROXY_ADDRESS}"

    export http_proxy=$PROXY_ADDRESS_WITH_CREDENTIALS
    export https_proxy=$http_proxy
    export HTTP_PROXY=$http_proxy
    export HTTPS_PROXY=$http_proxy
    export no_proxy=${NO_PROXY_DOMAINS}
    export NO_PROXY=$no_proxy
    echo "==================== work proxy has been set ===================="
    }

    function unsetProxy() {
    unset http_proxy
    unset https_proxy
    unset HTTP_PROXY
    unset HTTPS_PROXY
    unset no_proxy
    unset NO_PROXY
    }

    function setProxy {
    if [[ $(isWork) == true ]]; then
    setWorkProxy
    else
    unsetProxy
    fi
    }

    setProxy