Files
metasploit-gs/tools/dev/update_user_agent_strings.rb
T
2025-01-01 22:35:19 -05:00

113 lines
3.8 KiB
Ruby

#!/usr/bin/env ruby
# -*- coding: binary -*-
require 'optparse'
require 'net/http'
require 'uri'
optparse = OptionParser.new do |opts|
opts.banner = 'Usage: ruby tools/dev/update_user_agent_strings.rb [options]'
opts.separator "This program updates lib/rex/user_agent.rb so Metasploit uses the most up-to-date User Agent strings across the framework."
opts.separator ""
opts.on('-h', '--help', 'Display this screen.') do
puts opts
exit
end
end
optparse.parse!
# colors and puts templates from msftidy.rb
class String
def red
"\e[1;31;40m#{self}\e[0m"
end
def yellow
"\e[1;33;40m#{self}\e[0m"
end
def green
"\e[1;32;40m#{self}\e[0m"
end
def cyan
"\e[1;36;40m#{self}\e[0m"
end
end
#
# Display an error message, given some text
#
def error(txt)
puts "[#{'ERROR'.red}] #{cleanup_text(txt)}"
end
#
# Display a warning message, given some text
#
def warning(txt)
puts "[#{'WARNING'.yellow}] #{cleanup_text(txt)}"
end
#
# Display a info message, given some text
#
def info(txt)
puts "[#{'INFO'.cyan}] #{cleanup_text(txt)}"
end
def cleanup_text(txt)
# remove line breaks
txt = txt.gsub(/[\r\n]/, ' ')
# replace multiple spaces by one space
txt.gsub(/\s{2,}/, ' ')
end
def replace_agent_string(lines, replace_marker, url, regex)
valid_chars = 'a-zA-Z0-9\(\);:\.,/_ '
regex = regex.gsub('{VALID_CHARS}', valid_chars)
info "Checking: #{replace_marker}"
index = lines.index { |line| line.include?(replace_marker) }
raise "Couldn't find marker #{replace_marker}" if index.nil?
uri = URI(url)
response = Net::HTTP.get_response(uri)
raise "Can't retrieve #{url}" unless response.is_a?(Net::HTTPSuccess)
match = response.body.match(/#{regex}/)
raise "Couldn't match regex #{regex}" if match.nil?
new_string = match[1]
old_line = lines[index]
if old_line.include?("'#{new_string}'")
puts " (Unchanged): #{new_string}"
else
new_line = old_line.gsub(/'(.*)'/, "'#{new_string}'")
if old_line == new_line
raise " Line didn't change: #{old_line}"
end
puts " New value is: #{new_string}"
lines[index] = new_line
end
end
chrome_url = "https://www.whatismybrowser.com/guides/the-latest-user-agent/chrome"
edge_url = "https://www.whatismybrowser.com/guides/the-latest-user-agent/edge"
safari_url = "https://www.whatismybrowser.com/guides/the-latest-user-agent/safari"
firefox_url = "https://www.whatismybrowser.com/guides/the-latest-user-agent/firefox"
user_agent_filename = 'lib/rex/user_agent.rb'
lines = File.read(user_agent_filename).split("\n")
replace_agent_string(lines, 'Chrome Windows', chrome_url, '<td>Chrome \\(Standard\\)</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*Windows NT[{VALID_CHARS}]*)</span>')
replace_agent_string(lines, 'Chrome MacOS', chrome_url, '<td>Chrome \\(Standard\\)</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*Macintosh[{VALID_CHARS}]*)</span>')
replace_agent_string(lines, 'Edge Windows', edge_url, '<td>Edge \\(Standard\\)</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*Windows NT[{VALID_CHARS}]*)</span>')
replace_agent_string(lines, 'Safari iPad', safari_url, '<td>\s*Safari on <b>Ipad</b>\s*</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*iPad[{VALID_CHARS}]*)</span>')
replace_agent_string(lines, 'Safari MacOS', safari_url, '<td>Safari \\(Standard\\)</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*Macintosh[{VALID_CHARS}]*)</span>')
replace_agent_string(lines, 'Firefox Windows', firefox_url, '<td>\s*Firefox on <b>Windows</b>\s*</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*Windows NT[{VALID_CHARS}]*)</span>')
replace_agent_string(lines, 'Firefox MacOS', firefox_url, '<td>\s*Firefox on <b>Macos</b>\s*</td>\s*<td>\s*<ul>\s*<li><span class="code">([{VALID_CHARS}]*Macintosh[{VALID_CHARS}]*)</span>')
File.write(user_agent_filename, lines.join("\n") + "\n")