Telekom_FON Hotspot: auto-login bash script wget germany wispr client openwrt

99-login-german-fon

#!/bin/sh 
# place this file at: /etc/hotplug.d/iface/99-login-telekom_fon
# based on source: https://gist.github.com/cusspvz/3ab1ea9110f4ef87f0d2e1cd134aca67

#
# loginscript for german telekom_FON hotspot (NOT the general Telekom Hotspot)
#   technic: uses HTTP POST formular; extract URLs from WIPSr
#

# Preparations
# for openwrt please install: "curl" "ca-certificates"
#
#
# In my case, this script was called every 5minutes (no cron job needed)
#


# Configurations
FON_USERNAME="username%40t-online.de"
# FON_USERNAME="498555555555%40t-mobile.de"
# must be url_encoded (e.g. @ = %40)
FON_PASSWORD="123456"
#must be url_encoded
FON_DELAY_UP=3

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

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

logger -t FonLogin "Starting on $INTERFACE:$DEVICE -> $ACTION"

attempt () {
    local INDICATOR="<LoginURL>"
    local POST_URL=""
    local TARGET="http://google.com"

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

    logger -t FonLogin "Trying to get post url"
    POST_URL="$(echo "$DATA" | grep $INDICATOR |  cut -d '<' -f 2 | cut -d '>' -f 2 | sed -r 's/\&amp;/\&/g')"

    if [ -n "$POST_URL" ]; then
        logger -t FonLogin "Post URL found, trying to login"
        DATA=`curl \
            --insecure \
            --interface $DEVICE \
            --location \
            --location-trusted \
            --cookie-jar $COOKIE_JAR_PATH \
            --header 'cache-control: no-cache' \
            --header 'content-type: application/x-www-form-urlencoded' \
            --data "UserName=${FON_USERNAME}&FNAME=0&button=Login&OriginatingServer=http%3A%2F%2Fgoogle.de&Password=${FON_PASSWORD}" \
            "$POST_URL"`
            
        logger -t FonLogin "a Trying to get logoff url"
        LOGOFF_URL="$(echo "$DATA" | grep "<LogoffURL>" |  cut -d '<' -f 2 | cut -d '>' -f 2 | sed -r 's/\&amp;/\&/g')"
         
        echo "$LOGOFF_URL"

	      if [ -n "$LOGOFF_URL" ]
         then
			     logger -t FonLogin "LogOff URL found; Login was successful"
           logger -t FonLogin "...Login successfull"
         else
			     logger -t FonLogin "LogOff URL -NOT- found"
           logger -t FonLogin "...Login failed"
	       fi
    else
         logger -t FonLogin "Login not needed oder not possible"
    fi

    clean
}

case "$ACTION" in
    ifup)
        logger -t FonLogin "Waiting $FON_DELAY_UP seconds before attempt"
        sleep $FON_DELAY_UP;
        logger -t FonLogin "Attempting to login at FON"
        attempt
    ;;
    update)
        logger -t FonLogin "Attempting to update login at FON"
        attempt
    ;;
esac