#!/bin/bash
#
# BASH login&example by http://360percents.com
# v1.0
#
email="foo@bar.co.uk"
pass="derp"
host_url="http://m.facebook.com"

album_ind=1
album_inc=1

album_page=1

photo_ind=0
photo_inc=12

ref_id=""

output_path="pages"
photo_path="photos"
cookie_path="/tmp/fb_cookie"


touch $cookie_path

isLoggedIn=false
host_html=$(curl -s -c ${cookie_path} -A "Mozilla/5.0" "${host_url}")
form_action=$(echo "${host_html}" | tr '"' "\n" | grep "https://www.facebook.com/login.php")
form_fields=$(echo "${host_html}" | sed -e 's/.*<form//' | sed -e 's/form>.*//' | tr '/>' "\n" | grep 'input ' | grep -v "email\|pass")

#FUNCTION PARSES FORM DATA LIKE HIDDEN INPUTS
function parse_form() {
   form_fields="${1}"
   params=""
   
   for (( i=1; i<=`echo "${form_fields}" | wc -l`; i++ )); do
      name=$(echo "${form_fields}" | sed -n "${i}"p | tr ' ' "\n" | grep 'name' | cut -d '"' -f 2)
      value=$(echo "${form_fields}" | sed -n "${i}"p | tr ' ' "\n" | grep 'value' | cut -d '"' -f 2)
      params="${params}${name}=${value}&"
   done
}

function parse_profile() {
   printf "Parsing Profile...\n"
   
   profile_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/profile.php?id=${1}")
   echo -n "${profile_html}" > "${output_path}/m.profile_[${fb_id}].htm"
}

function parse_info() {
   printf "Parsing Info [%s]... " $1
   
   info_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/profile.php?id=${1}&v=info")
   echo -n "${info_html}" > "${output_path}/m.info_[${fb_id}].htm"
   
   ref_id=$(echo "${info_html}" | tr '"' "\n" | grep "refid=" | sed 's/.*=\(.*\).*$/\1/' | head -n 1)
   handle_name=$(echo "${info_html}" | tr '"' "\n" | grep ">facebook\.com" | sed 's/.*com\/\(.*\)\<\/a.*/\1/')
   printf "(%s)... " "${handle_name}"
   
   friends_tot=$(echo "${info_html}" | tr '"' "\n" | grep "Total Friends" | sed 's/.* (\(.*\)).*$/\1/' | sed 's/,//')
   album_tot=0
   
   sex_usr=$(echo "${info_html}" | tr '"' "\n" | grep -A 4 "Sex" | tail -n 1 | sed 's/.\(.*\)\<\/div.*$/\1/')
   college_info=$(echo "${info_html}" | tr '"' "\n" | grep -A 4 "College" | tail -n 1 | sed 's/\>\<div\>\(.*\)\<br \/\>.*$/\1/')
   hs_info=$(echo "${info_html}" | tr '"' "\n" | grep -A 4 "High School" | tail -n 1 | sed 's/\>\<div\>\(.*\)\<\/div\>\<\/div\>.*$/\1/')
   
   friends_url=$(echo "${info_html}" | tr '"' "\n" | grep "friends.php?id" | sed 's/\&amp\;/\&/g' | head -n 1 | sed 's/.\(.*\)$/\1/')
   if [ "${friends_url}" ]; then printf "Friends (%d)... " "${friends_tot}"; fi
   
   wall_url=$(echo "${info_html}" | tr '"' "\n" | grep "feed" | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   if [ "${wall_url}" ]; then printf "Wall... "; fi
   
   photos_url=$(echo "${info_html}" | tr '"' "\n" | grep "v\=photos" | head -n 1 | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   if [ "${photos_url}" ]; then printf "Photos... "; fi
      
   echo
}

function parse_friends() {
   printf "Parsing Friends [%s]...\n" "${fb_id}"
      
   friends_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/${friends_url}")
   echo -n "${friends_html}" > "${output_path}/m.friends_[${fb_id}].htm"
}


function parse_photos() {
   printf "Parsing Photos [%s]...\n" "${fb_id}"
   
   local cnt="10"
   
   photos_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/${photos_url}")
   echo -n "${photos_html}" > "${output_path}/m.photos-1_[${fb_id}].htm"
   
   mkdir -p "${photo_path}/${fb_id}"
   parse_albums "${photos_html}"
   
   #allPhotos_url=$(echo "${photos_html}" | tr '"' "\n" | grep "set\=t" | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   #if [ "${allPhotos_url}" ]; then printf "All Photos... ";fi
      
   next_page=$(echo "${photos_html}" | tr '"' "\n" | grep "p\=${album_inc}" | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   if [ "${next_page}" ]; then
      album_inc=10
      next_albums
   fi
   
   echo
}


function next_albums() {
   
   photos_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/photos.php?id=${fb_id}&p=${album_inc}&refid=${ref_id}")
   echo -n "${photos_html}" > "${output_path}/m.photos-$(( ($album_inc / 10) + 1 ))_[${fb_id}].htm"
   
   parse_albums "${photos_html}"
   
   album_inc=$(( $album_inc + 10 ))
   
   next_page=$(echo "${photos_html}" | tr '"' "\n" | grep "p\=${album_inc}" | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   if [ "${next_page}" ]; then
      next_albums; fi
}



function parse_albums() {
   printf "Albums Page: %d [%s]\n" $(( ($album_inc / 10) + 1 )) "http://m.facebook.com/photos.php?id=${fb_id}&p=${album_inc}&refid=${ref_id}"
   
   album_urls=$(echo "${1}" | tr '"' "\n" | grep "set\=a" | sed 's/\&amp\;/\&/g')
   
   (IFS=$'\n'
      for (( i=1; i<=`echo "${album_urls}" | wc -l`; i++ )); do
         album_url=$(echo "${album_urls}" | sed -n "${i}"p | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
         album_id=$(echo "${album_url}" | sed 's/.*a\.\(.*\)\&.*$/\1/' | sed 's/\&op\='$album_inc'\&v//')
         album_name=$(echo "${1}" | tr '"' "\n" | grep -A 1 "${album_id}" | tail -n 1 | sed 's/^\>\<span\>\(.*\)\<\/span\>.*$/\1/' | sed 's/\&amp\;/\&/g' | sed 's/^\>\<strong\>.*$/Profile Pictures/' | sed 's/\&\#039\;/‘/g' | sed 's/\&quot\;/‘‘/g' | sed 's/\&hearts\;/♥/g')
         photo_tot=$(echo "${1}" | tr '"' "\n" | grep -A 3 "${album_id}" | tail -n 1 | sed 's/.\(.*\) photos.*$/\1/' | sed 's/.*Profile Pictures.*/0/')         
         album_tot=$(( ($album_inc + $i) - 1 ))
         album_page=0
         photo_ind=0
         printf "\t[%d] %s (%d) [%s]\n" $album_tot "${album_name}" "${photo_tot}" "${album_id}"
         parse_album
      done
   )
}


function parse_album() {
   printf "Parsing Album %s [%s]...\n" "${album_name}" "${album_id}"
   
   short_id=$(echo "${album_id}" | awk -F\. '{print $2}')
   photos_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/${album_url}")
   echo -n "${photos_html}" > "${output_path}/m.album-${short_id}-${album_page}_[${fb_id}].htm"
   
   parse_photo "${photos_html}"
   
   next_page=$(echo "${photos_html}" | tr '"' "\n" | grep "s\=12" | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   if [ "${next_page}" ]; then
      photo_inc=12
      next_photos; fi
}

function parse_photo() {   
   photo_urls=$(echo "${1}" | tr '"' "\n" | grep "\_t\.jpg" | sed 's/_t/_n/')
   
   if [ ! "${photo_urls}" ]; then
      photo_urls=$(echo "${1}" | tr '"' "\n" | grep "\/t.*\.jpg" | sed 's/\/t\(.*\)\.jpg/\/n\1\.jpg/'); fi
   
   (IFS=$'\n'
      for (( i=1; i<=`echo "${photo_urls}" | wc -l`; i++ )); do
         photo_url=$(echo "${photo_urls}" | sed -n "${i}"p)
         photo_id=$(echo "${photo_url}" | awk -F\_ '{print $2}')
         photo_page=$(printf "photo.php?fbid=%s&id=%s&set=%s&refid=%s" "${photo_id}" "${fb_id}" "${album_id}" "${ref_id}")
         photo_name=$(echo "${photo_url}" | awk -F\/ '{print $NF}')
         photo_ind=$(( $photo_ind + 1 ))
         printf "\t[%d] %s\n" $photo_ind "${photo_url}"
         echo "${photo_url}" >> "${photo_path}/${fb_id}/${short_id}_${album_name}.txt"
      done
   )
}

function next_photos() {
   
   short_id=$(echo "${album_id}" | awk -F\. '{print $2}')
   photos_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/${album_url}&s=${photo_inc}")
   echo -n "${photos_html}" > "${output_path}/m.album-${short_id}-${album_page}_[${fb_id}].htm"
   
   parse_photo "${photos_html}"
   
   photo_inc=$(( $photo_inc + 12 ))
   
   next_page=$(echo "${photos_html}" | tr '"' "\n" | grep "s\=${photo_inc}" | sed 's/\&amp\;/\&/g' | sed 's/.\(.*\)$/\1/')
   if [ "${next_page}" ]; then
      next_photos; fi
   
}


function download_photos() {
   
   (IFS=$'\n'
      printf "Parsing Album %s [%s]...\n" "${album_name}" "${album_id}"
   
   
      for f in `find "${photo_path}/${fb_id}" -type f -name "*.txt"`; do
         echo "${f}"
         
         album_id=$(echo `basename ${f}` | awk -F\_ '{print $1}')
         album_name=$(echo `basename ${f}` | awk -F\_ '{print $2}' | sed 's/\.txt//')
         album_path="${photo_path}/${fb_id}/albums/${album_id}_${album_name}"
         
         mkdir -p "./${album_path}"
      
         while read l; do
            img_name=$(echo "${l}" | awk -F\/ '{print $NF}')
            echo "${img_name}"
            
            curl --silent --location "${l}" --output "./${album_path}/${img_name}"
         done < $f
      done
   )
}


function parse_wall() {
   wall_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A 'Mozilla/5.0' --location "http://m.facebook.com/${wall_url}")
   echo -n "${wall_html}" > "${output_path}/m.wall_[${fb_id}].htm"
}



#LOGIN
function login_user() {
   printf "Logging In...\n"
   
   params="email=${email}&pass=${pass}&"`parse_form "${form_fields}"`
   
   login_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A "Mozilla/5.0" -d "${params}" --location "${form_action}")
   echo -n "${login_html}" > "${output_path}/m.login.htm"
   
   home_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A "Mozilla/5.0" --location "${host_url}/profile.php")
   echo -n "${home_html}" > "${output_path}/m.home.htm"
   
   isDiff=$(echo "${login_html}" | grep "Log In")
   
   if [ -z "$isDiff" ]; then
      isLoggedIn=true
      
   else
      isLoggedIn=false;
      echo "Can't login!"; fi   
}


#LOGOUT
function logout_user() {
   printf "Logging Out...\n"
   
   logout_url=$(echo "${home_html}" | tr '"' "\n" | grep "/logout.php?")
   logout_html=$(curl -s -b ${cookie_path} -c ${cookie_path} -A "Mozilla/5.0" --location "${host_url}${logout_url}")
   echo -n "${logout_html}" > "${output_path}/m.logout.htm"
   
   isLoggedIn=false
   rm $cookie_path
}





login_user

if $isLoggedIn; then
   
   parse_info "${fb_id}"
   parse_wall
   parse_friends
   parse_photos
   #download_photos
   logout_user
fi

exit 1;