wget with https and cookie login

grab_all_pages.sh

#!/bin/bash

# first login and store the cookie
wget --post-data='name=USERNAME&pass=PASSWORD&op=Log%20in' --save-cookies=my-cookies.txt --keep-session-cookies "https://private.site.com" > /dev/null 2>&1

# now we can scrape the site (353 pages)
for i in {0..353}
do
  echo "grabbing page $i..."
  wget --cookies=on --keep-session-cookies --load-cookies=my-cookies.txt "https://private.site.com/people?page=$i" > /dev/null 2>&1

  # sleep for 1-3 seconds so as not to hammer server, and to keep up the pretence that we are human
  sleep $[ ( $RANDOM % 3 ) + 1 ]s
done

grab_all_users.sh

#!/bin/bash

# first login and store the cookie
wget --post-data='name=USERNAME&pass=PASSWORD&op=Log%20in' --save-cookies=my-cookies.txt --keep-session-cookies "https://private.site.com" > /dev/null 2>&1

echo "grabbing all people from user list..."
wget -k -p -R\*css,\*js -i "user_list" --wait=1 --random-wait --cookies=on --keep-session-cookies --load-cookies=my-cookies.txt 

parse_usernames.rb

require 'nokogiri'
require 'set'

def parseFiles(users,dir_glob)
  puts "parsing '#{dir_glob}'"
  dupes = 0
  Dir.glob(dir_glob) do |file|
    doc = Nokogiri::HTML(open(file))
    # find all 'a' tags which have a parent 'div' which has 
    # class 'profile_card_popup_actions_profile'
    links = doc.xpath('//div[@class = "profile_card_popup_actions_profile"]/a')
    #puts links.size
    if links.size != 50
      puts "Links size strange: ", links.size
    end

    links.each do |a|
      value = a.attributes['href'].value
      if value.length < 10 
        puts value
      end
      single_val = Set.new
      single_val.add value
      if single_val.subset? users
        #puts "name '#{value}' already in set"
        dupes += 1
      end
      users.add value
    end
  end
  puts users.size
  puts "total dupes = #{dupes}"
  return users
end

users = Set.new
users = parseFiles(users,"./people*")
puts users.size

File.open('user_list','w') do |f|
  users.each do |u|
    f.puts( "https://private.site.com/#{u}" )
  end
end

parse_users_to_contacts.rb

require 'nokogiri'
require 'set'

def parseFiles(users,dir_glob)
  puts "parsing '#{dir_glob}'"
  Dir.glob(dir_glob) do |file|
    user = {}
    doc = Nokogiri::HTML(open(file))

    # get name
    name = doc.xpath('//div[@class = "views-field-title"]/span')
    user['name'] = name.children.to_s

    # get title
    title = doc.xpath('//span[@class = "views-field-field-professional-title-value"]/span')
    user['title'] = title.children.to_s

    # get organisation
    org = doc.xpath('//span[@class = "views-field-field-organization-value"]/span')
    user['organisation'] = org.children.to_s

    # get nationality
    nationality = doc.xpath('//div[@class = "views-field-field-nationality-value"]/span')
    user['nationality'] = nationality.children.to_s

    # get emails
    email = doc.xpath('//div[@class = "views-field-field-primary-email-email"]/span')
    user['primary_email'] = email.children.to_s
    email = doc.xpath('//div[@class = "views-field-field-secondary-email-email"]/span')
    user['secondary_email'] = email.children.to_s

    # get phones
    phone = doc.xpath('//div[@class = "views-field-field-work-phone-value"]/span')
    user['work_phone'] = phone.children.to_s
    email = doc.xpath('//div[@class = "views-field-field-mobile-phone-value"]/span')
    user['mobile_phone'] = phone.children.to_s

    users.add user
  end
  return users
end

users = Set.new
users = parseFiles(users,"./private.site.com/users/*")
File.open('weforum_contact_database.csv', 'w') do |f| 
  users.each do |u|
    u.each do |key,value|
      f.print('"'+value+'"' + ",")
    end
    f.print "\n"
  end
end

It's very complex. Here I have reference simple login with cookies
PHP: LOGIN WITH COOKIES