Sha256: cc16a7bce08cdee66c2dafedbd8b475a968e8c5722b43981b7d0de3dbfac2534
Contents?: true
Size: 1.67 KB
Versions: 7
Compression:
Stored size: 1.67 KB
Contents
require 'thor'
module Objc_Obfuscator
module Obfuscator
def obfuscate_file(filepath, tmp_dir, key, backup=true)
keyword = '__obfuscated'
objc_string_regex = /@"(.*)"\s*;/
encryptor = Objc_Obfuscator::StringEncryptor.new key
source_file_path = filepath
temp_file_path = File.join tmp_dir, "#{File.basename(source_file_path)}.bak"
File.delete(temp_file_path) if File.exist?(temp_file_path)
source_file = File.open(source_file_path, 'r')
dest_file = File.open(temp_file_path, 'w')
file_changed = false
say_status :info, "Processing file: #{source_file_path}", :blue
while !source_file.eof?
line = source_file.readline
if line.include? keyword
unencrypted_string = line.scan(objc_string_regex).last.first
if unencrypted_string.empty?
say_status :warning, "Found an occurrence of #{keyword} but there's no obj-string there: \"#{line}\""
else
say_status :info, "Found occurrence of __obfuscated string: '#{unencrypted_string}'."
encrypted_string = encryptor.encrypt unencrypted_string
line.slice! keyword # remove keyword
line = line.gsub(unencrypted_string, encrypted_string) # replace the unencrypted with the encrypted
file_changed = true
end
end
dest_file.puts line
end
source_file.close
dest_file.close
if file_changed
if backup
FileUtils.mv source_file_path, "#{source_file_path}.bak"
else
File.delete source_file_path
end
FileUtils.mv temp_file_path, source_file_path
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems