LANCOM auto-login bash script wget client openwrt

99-login-lancom

#!/bin/sh 
# place this file at: /etc/hotplug.d/iface/99-login-lancom

# Configurations
LANCOM_USERNAME=email%40domain.com
LANCOM_PASSWORD=123456
LANCOM_DELAY_UP=3

COOKIE_JAR_PATH=/tmp/lancom-cookie-jar.$INTERFACE
. /lib/functions.sh

clean () {
  [ -f $COOKIE_JAR_PATH ] && rm -f $COOKIE_JAR_PATH
}

attempt () {
    local INDICATOR="ACTION=\"http://192.168."
    local POST_URL=""
    local DOMAIN_URL=""
    local TARGET="http://www.spiegel.de"

    logger -t LancomLogin "Trying to fetch a website"
    DATA="$(curl --insecure --interface $DEVICE --location --cookie-jar $COOKIE_JAR_PATH $TARGET)"

    logger -t LancomLogin "Trying to get post url"
    POST_URL="$(echo "$DATA" | grep $INDICATOR | cut -d \" -f 6 | sed -r 's/\&/\&/g')"

    if [ -n "$POST_URL" ]; then
        logger -t LancomLogin "Post URL found, trying to login"
        curl \
            --insecure \
            --interface $DEVICE \
            --location \
            --cookie-jar $COOKIE_JAR_PATH \
            --header 'cache-control: no-cache' \
            --header 'content-type: application/x-www-form-urlencoded' \
            --data "refreshdir=&refreshhost=www.spiegel.de&refreshssl=0&userid=${LANCOM_USERNAME}&password=${LANCOM_PASSWORD}&AGB=on" \
            "$DOMAIN_URL$POST_URL"
    fi

    clean
}

if [ "$DEVICE" != "lo" ] && [ "$DEVICE" != "br-lan" ]; then
    case "$ACTION" in
        ifup)
            logger -t LancomLogin "Starting on $INTERFACE:$DEVICE -> $ACTION"
            logger -t LancomLogin "Waiting $LANCOM_DELAY_UP seconds before attempt"
            sleep $LANCOM_DELAY_UP;
            logger -t LancomLogin "Attempting to login at LANCOM"
            attempt
        ;;
        update)
            logger -t LancomLogin "Starting on $INTERFACE:$DEVICE -> $ACTION"
            logger -t LancomLogin "Attempting to update login at LANCOM"
            attempt
        ;;
    esac
fi