gistfile1.txt

extractProxySettings() {
    local proxyUrl=$1
    local proxyType=$2

    local PROXY_WITH_USER_AUTH_REGEXP="https?://([^:]*):?(.*)@([^:]*):?(.*)"
    local PROXY_WITHOUT_USER_AUTH_REGEXP="https?://([^:]*):?(.*)"

    if [ -n "$proxyUrl" ]; then
        local proxyUserName
        local proxyPassword
        local proxyHost
        local proxyPort

        if [[ $proxyUrl =~ $PROXY_WITH_USER_AUTH_REGEXP ]]; then
            proxyUser=$([[ $proxyUrl =~ $PROXY_WITH_USER_AUTH_REGEXP ]] && echo ${BASH_REMATCH[1]})
            proxyPassword=$([[ $proxyUrl =~ $PROXY_WITH_USER_AUTH_REGEXP ]] && echo ${BASH_REMATCH[2]})
            proxyHost=$([[ $proxyUrl =~ $PROXY_WITH_USER_AUTH_REGEXP ]] && echo ${BASH_REMATCH[3]})
            proxyPort=$([[ $proxyUrl =~ $PROXY_WITH_USER_AUTH_REGEXP ]] && echo ${BASH_REMATCH[4]})

        elif [[ $proxyUrl =~ $PROXY_WITHOUT_USER_AUTH_REGEXP ]]; then
            proxyHost=$([[ $proxyUrl =~ $PROXY_WITHOUT_USER_AUTH_REGEXP ]] && echo ${BASH_REMATCH[1]})
            proxyPort=$([[ $proxyUrl =~ $PROXY_WITHOUT_USER_AUTH_REGEXP ]] && echo ${BASH_REMATCH[2]})
        fi

        if [[ $proxyUser != "" ]]; then
            PROXY_OPTS="$PROXY_OPTS -D$proxyType.proxyUser=$proxyUser"
        fi

        if [[ $proxyPassword != "" ]]; then
            PROXY_OPTS="$PROXY_OPTS -D$proxyType.proxyPassword=$proxyPassword"
        fi

        if [[ $proxyHost  != "" ]]; then
            PROXY_OPTS="$PROXY_OPTS -D$proxyType.proxyHost=$proxyHost"
        fi

        if [[ $proxyPort  != "" ]]; then
            PROXY_OPTS="$PROXY_OPTS -D$proxyType.proxyPort=$proxyPort"
        fi
    fi
}

extractProxySettings $1 $2
echo $PROXY_OPTS