gvoicebash

#!/bin/bash

# Usage
#
# -u Google account email address - example mygvoicebashuser@gmail.com
# -p Google account password - example mygvoicepass123
# -n Phone number where to send message - example 6170000000
# -m String to send as message, between quotes - example "Hello World"

if [ "$1" == "help" ] || [ "$1" == "--help" ] || [ "$1" == "-h" ]
then
  echo
  echo "Usage:"
  echo
  echo "  -u USERNAME - example -u yourgoogleaccount@gmail.com"
  echo "  -p PASSWORD - example -p yourgooglepassword"
  echo "  -n NNUMBER - example -n destinationnumber"
  echo "  -m MESSAGE (between quotes) - example -m \"Your message between double quotes\""
  echo
  echo "gvoicebash -u username@gmail.com -p pass -n 617000000 -m \"Hello World\""
  echo
  exit 0
fi

# Process and assign opts values to variables
while getopts u:p:n:m: option
do
  case "${option}"
  in
    u) USER=${OPTARG};;
    p) PASS=${OPTARG};;
    n) DESTINATION_NUMBER=${OPTARG};;
    m) MESSAGE=$OPTARG;;
  esac
done

# Write test for arguments here

####################
# Global variables #
####################

GOOGLE_LOGIN="https://www.google.com/accounts/ClientLogin"
GOOGLE_INBOX="https://www.google.com/voice/m/"
GOOGLE_SMS="https://www.google.com/voice/m/sendsms"


########################
# Supporting functions #
########################

# Get auth token from Google
function getLoginAuth() {
  local TOKEN=$(curl --data "accountType=GOOGLE&Email=$1&Passwd=$2&service=grandcentral&source=gvoice.sh" $GOOGLE_LOGIN 2>&1)
  for i in $(echo $TOKEN | tr " " "\n" 2>&1)
  do
    if [[ "$i" == *Auth=* ]]
    then
      local TOKEN_VALUE=$(echo $i | sed s/Auth=//)
    fi
  done
  echo $TOKEN_VALUE
}

function get_rnr_se() {
  local TOKEN=$(getLoginAuth $1 $2)
  local RNR=$(curl --header "Authorization: GoogleLogin auth=$TOKEN" $GOOGLE_INBOX 2>&1)
  RNR_VALUE="${RNR##*_rnr_se\"\ value=\"}"
  RNR_VALUE="${RNR_VALUE%name=\"number\"*}"
  RNR_VALUE="${RNR_VALUE%\"/>*}"
  echo $RNR_VALUE
}

function sms() {
  local RNR_ENC=$(echo -n $(get_rnr_se $1 $2) | perl -pe's/([^-_.~A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg')
  local NUMBER_ENC=$(echo -n "$3" | perl -pe's/([^-_.~A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg')
  local MESS_ENC=$(echo -n "$4" | perl -pe's/([^-_.~A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg')
  local TOKEN=$(getLoginAuth $1 $2)
  local RESULT=$(curl -v --header "Authorization: GoogleLogin auth=$TOKEN" --data "id=&c=&number=$NUMBER_ENC&smstext=$MESS_ENC&_rnr_se=$RNR_ENC" $GOOGLE_SMS 2>&1)

  echo $RESULT
}

####################
# CONTROLLING CODE #
####################

RESULT=$(sms $USER $PASS $DESTINATION_NUMBER "$MESSAGE")

if [[ "$RESULT" == *Text\ sent\ to* ]]
then
  echo "Message sent successfully"
else
  echo "ERROR: Message was not sent. Type --help for usage."
fi