#!/bin/bash
# Reconnect for 'EasyBox 804'
# Firmware version: CIS804-01.02

# Enter your 'EasyBox-Kennwort' here:
PASSWORD_EASYBOX804=""

# Enter hostname/adress of your EasyBox 804:
HOST="easy.box.local"
# If you can't reach the Box via http://easy.box.local use it's IP instad:
HOST="192.168.0.2"

# Notes:
# The reconnect duration of the EasyBox 804 is quite long, it can be up to 180 seconds.

# * * * NO MORE CHANGES DOWN HERE * * * 


read_dom () {
    local IFS=\>
    read -d \< ENTITY CONTENT
}

if [ "1" == "1" ]; then # Step 1: before sending the password
	curl -s "http://${HOST}/main.cgi?page=login.html" -c step1_cookie.txt \
	-o step1_answer.html

	COOKIE_STEP1=$(cat step1_cookie.txt | grep "wbm_cookie_session_id" | awk -F"\t" '{ print $7 }')
	echo "COOKIE_STEP1 = "${COOKIE_STEP1}

	# Create a 'special' cookie file without HOST and PATH (important):
	cat step1_cookie.txt | sed "s/${HOST}//g" | sed 's/\t\/\t/\t\t/g' > step1_cookie_special.txt
	#cat step1_cookie_special.txt


	DM_COOKIE_STEP3_STEP1=$(cat step1_answer.html | grep dm_cookie | awk -F"dm_cookie='" '{ print $2 }' | awk -F"'" '{ print $1 }')
	echo "DM_COOKIE_STEP3_STEP1 = "${DM_COOKIE_STEP3_STEP1}

	# Sending cookies at this step is very important.
	# If no cookies are sent, a 'new auth_key' is generated, not matching the cookies stored by this bash script.
	curl -s "http://${HOST}/main.cgi?js=rg_config.js" -b step1_cookie.txt \
	-o step1_rg_config.js

	AUTH_KEY=$(cat step1_rg_config.js | grep "auth_key" | awk -F"auth_key = '" '{ print $2 }' | awk -F"'" '{ print $1 }')
	echo "AUTH_KEY = "${AUTH_KEY}

	# The sent md5-encrypted password consists of your 'Easybox-Kennwort' ...
	# ... and the 'auth_key' from http://easy.box.local/main.cgi?js=rg_config.js !
	# The original Javascript-function is defined here: http://easy.box.local/main.cgi?js=wbm_be.js
	PASSWORD_MD5=$(echo -n ${PASSWORD_EASYBOX804}${AUTH_KEY} | md5sum | awk '{ print $1 }')

	echo "PASSWORD_MD5 = "${PASSWORD_MD5}

	echo -e "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"><soapenv:Header><DMCookie>${DM_COOKIE_STEP3_STEP1}</DMCookie></soapenv:Header><soapenv:Body><cwmp:Login xmlns=\"\"><ParameterList><Username>vodafone</Username><Password>${PASSWORD_MD5}</Password><AllowRelogin>0</AllowRelogin></ParameterList></cwmp:Login></soapenv:Body></soapenv:Envelope>" > step1_soap_data.xml


	# Now logging in (sending the password):
	# The DOUBLE APOSTROPHE in >> -H "Cookie: wbm[...]=${...}" << is crucial!
	curl -s "http://${HOST}/data_model.cgi" --cookie step1_cookie_special.txt --cookie-jar step2_cookies.txt  -X POST -H 'Accept: application/xml, text/xml, */*; q=0.01' -H 'Accept-Encoding: gzip, deflate' -H 'Accept-Language: de,en-US;q=0.7,en;q=0.3' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' -H 'Content-Length: 387' -H 'Content-Type: text/xml; charset="utf-8"' -H "Cookie: wbm_cookie_session_id=${COOKIE_STEP1}" -H "Host: ${HOST}" -H 'Method: POST' -H 'Pragma: no-cache' -H 'Referer: http://${HOST}/main.cgi?page=login.html' -H 'SOAPAction: cwmp:Login' -H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36' -H 'X-Requested-With: XMLHttpRequest' \
	--data @step1_soap_data.xml \
	-o "step2_answer.html"

	#cat step2_answer.html

fi




if [ "1" == "1" ]; then # Step 3: After sending the password
	COOKIE_STEP3=$(cat step2_cookies.txt | grep "wbm_cookie_session_id" | awk -F"\t" '{ print $7 }')
	echo "COOKIE_STEP3 = "${COOKIE_STEP3}

	curl -s "http://${HOST}/main.cgi?page=app.html" -b step2_cookies.txt \
	-o "step3_answer.html"

	DM_COOKIE_STEP3=$(cat step3_answer.html | grep dm_cookie | awk -F"dm_cookie='" '{ print $2 }' | awk -F"'" '{ print $1 }')
	echo "DM_COOKIE_STEP3 = "$DM_COOKIE_STEP3

	# firefox step3_answer.html
fi



if [ "1" == "1" ]; then # Step 4: Accessing the WAN IP (for testing the successful login without the timeconsuming reconnect)
	# Only for testing purposes – NOT NECESSARY FOR RECONNECT !
	# (Output of WAN iP)
	echo "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"><soapenv:Header><DMCookie>${DM_COOKIE_STEP3}</DMCookie><SessionNotRefresh>1</SessionNotRefresh></soapenv:Header><soapenv:Body><cwmp:GetParameterValues xmlns=\"\"><ParameterNames><string>InternetGatewayDevice.WANDevice.6.WANConnectionDevice.4.WANPPPConnection.1.ExternalIPAddress</string></ParameterNames></cwmp:GetParameterValues></soapenv:Body></soapenv:Envelope>" > step4_soap_data.xml

	# The DOUBLE APOSTROPHE in >> -H "Cookie: [...]" << is very important!
	curl -s \
	"http://${HOST}/data_model.cgi" \
	-b step2_cookies.txt \
	-X POST \
	-H 'Accept: application/xml, text/xml, */*; q=0.01' \
	-H 'Accept-Encoding: gzip, deflate' \
	-H 'Accept-Language: de,en-US;q=0.7,en;q=0.3' \
	-H 'Cache-Control: no-cache' \
	-H 'Connection: keep-alive' \
	-H 'Content-Length: 452' \
	-H 'Content-Type: text/xml; charset="utf-8"' \
	-H "Cookie: wbm_cookie_session_id=${COOKIE_STEP3}" \
	-H "Host: ${HOST}" \
	-H 'Method: POST' \
	-H 'Pragma: no-cache' \
	-H "Referer: http://${HOST}/main.cgi?page=app.html" \
	-H 'SOAPAction: cwmp:GetParameterValues' \
	-H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36' \
	-H 'X-Requested-With: XMLHttpRequest' \
	--data @step4_soap_data.xml \
	-o "step4_answer.html"


	while read_dom; do
	    #echo "$ENTITY => $CONTENT"
	    if [[ $ENTITY = "Value xsi:type=\"xsd:string\"" ]] ; then
      		  echo $CONTENT
	    fi
	done < step4_answer.html



	# firefox step4_answer.html
fi


exit 0;