1
0
Fork 0
mirror of https://github.com/nishiki/manage-password.git synced 2025-02-22 02:40:04 +00:00
mpw/lib/mpw/mpw.rb

475 lines
12 KiB
Ruby

#!/usr/bin/ruby
# MPW is a software to crypt and manage your passwords
# Copyright (C) 2016 Adrien Waksberg <mpw@yae.im>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'rubygems/package'
require 'gpgme'
require 'i18n'
require 'yaml'
require 'rotp'
require 'mpw/item'
module MPW
class MPW
# Constructor
def initialize(key, wallet_file, gpg_pass=nil, gpg_exe=nil)
@key = key
@gpg_pass = gpg_pass
@gpg_exe = gpg_exe
@wallet_file = wallet_file
if not @gpg_exe.to_s.empty?
GPGME::Engine.set_info(GPGME::PROTOCOL_OpenPGP, @gpg_exe, "#{Dir.home}/.gnupg")
end
end
# Read mpw file
def read_data
@config = {}
@data = []
@keys = {}
@passwords = {}
@otp_keys = {}
data = nil
return if not File.exists?(@wallet_file)
Gem::Package::TarReader.new(File.open(@wallet_file)) do |tar|
tar.each do |f|
case f.full_name
when 'wallet/config.gpg'
@config = YAML.load(decrypt(f.read))
when 'wallet/meta.gpg'
data = decrypt(f.read)
when /^wallet\/keys\/(?<key>.+)\.pub$/
key = Regexp.last_match('key')
if GPGME::Key.find(:public, key).length == 0
GPGME::Key.import(f.read, armor: true)
end
@keys[key] = f.read
when /^wallet\/passwords\/(?<id>[a-zA-Z0-9]+)\.gpg$/
@passwords[Regexp.last_match('id')] = f.read
when /^wallet\/otp_keys\/(?<id>[a-zA-Z0-9]+)\.gpg$/
@otp_keys[Regexp.last_match('id')] = f.read
else
next
end
end
end
if not data.nil? and not data.empty?
YAML.load(data).each_value do |d|
@data.push(Item.new(id: d['id'],
group: d['group'],
host: d['host'],
protocol: d['protocol'],
user: d['user'],
port: d['port'],
otp: @otp_keys.has_key?(d['id']),
comment: d['comment'],
last_edit: d['last_edit'],
created: d['created'],
)
)
end
end
add_key(@key) if @keys[@key].nil?
rescue Exception => e
raise "#{I18n.t('error.mpw_file.read_data')}\n#{e}"
end
# Encrypt a file
def write_data
data = {}
tmp_file = "#{@wallet_file}.tmp"
@data.each do |item|
next if item.empty?
data.merge!(item.id => { 'id' => item.id,
'group' => item.group,
'host' => item.host,
'protocol' => item.protocol,
'user' => item.user,
'port' => item.port,
'comment' => item.comment,
'last_edit' => item.last_edit,
'created' => item.created,
}
)
end
@config['last_update'] = Time.now.to_i
Gem::Package::TarWriter.new(File.open(tmp_file, 'w+')) do |tar|
data_encrypt = encrypt(data.to_yaml)
tar.add_file_simple('wallet/meta.gpg', 0400, data_encrypt.length) do |io|
io.write(data_encrypt)
end
config = encrypt(@config.to_yaml)
tar.add_file_simple('wallet/config.gpg', 0400, config.length) do |io|
io.write(config)
end
@passwords.each do |id, password|
tar.add_file_simple("wallet/passwords/#{id}.gpg", 0400, password.length) do |io|
io.write(password)
end
end
@otp_keys.each do |id, key|
tar.add_file_simple("wallet/otp_keys/#{id}.gpg", 0400, key.length) do |io|
io.write(key)
end
end
@keys.each do |id, key|
tar.add_file_simple("wallet/keys/#{id}.pub", 0400, key.length) do |io|
io.write(key)
end
end
end
File.rename(tmp_file, @wallet_file)
rescue Exception => e
File.unlink(tmp_file) if File.exist?(tmp_file)
raise "#{I18n.t('error.mpw_file.write_data')}\n#{e}"
end
# Get a password
# args: id -> the item id
def get_password(id)
password = decrypt(@passwords[id])
if /^\$[a-zA-Z0-9]{4,9}::(?<password>.+)$/ =~ password
return Regexp.last_match('password')
else
return password
end
end
# Set a password
# args: id -> the item id
# password -> the new password
def set_password(id, password)
salt = MPW::password(length: Random.rand(4..9))
password = "$#{salt}::#{password}"
@passwords[id] = encrypt(password)
end
# Add a public key
# args: key -> new public key
# file -> public gpg file to import
def add_key(key, file=nil)
if not file.nil? and File.exists?(file)
data = File.open(file).read
GPGME::Key.import(data, armor: true)
else
data = GPGME::Key.export(key, armor: true).read
end
if data.to_s.empty?
raise I18n.t('error.export_key')
end
@keys[key] = data
end
# Delete a public key
# args: key -> public key to delete
def delete_key(key)
@keys.delete(key)
end
# Set config
# args: config -> a hash with config options
def set_config(options={})
@config = {} if @config.nil?
@config['protocol'] = options[:protocol] if options.has_key?(:protocol)
@config['host'] = options[:host] if options.has_key?(:host)
@config['port'] = options[:port] if options.has_key?(:port)
@config['user'] = options[:user] if options.has_key?(:user)
@config['password'] = options[:password] if options.has_key?(:password)
@config['path'] = options[:path] if options.has_key?(:path)
@config['last_sync'] = @config['last_sync'].nil? ? 0 : @config['last_sync']
end
# Add a new item
# @args: item -> Object MPW::Item
def add(item)
if not item.instance_of?(Item)
raise I18n.t('error.bad_class')
elsif item.empty?
raise I18n.t('error.add.empty')
else
@data.push(item)
end
end
# Search in some csv data
# @args: options -> a hash with paramaters
# @rtrn: a list with the resultat of the search
def list(options={})
result = []
search = options[:pattern].to_s.downcase
group = options[:group].to_s.downcase
@data.each do |item|
next if item.empty?
next if not group.empty? and not group.eql?(item.group.to_s.downcase)
host = item.host.to_s.downcase
comment = item.comment.to_s.downcase
if not host =~ /^.*#{search}.*$/ and not comment =~ /^.*#{search}.*$/
next
end
result.push(item)
end
return result
end
# Search in some csv data
# @args: id -> the id item
# @rtrn: a row with the result of the search
def search_by_id(id)
@data.each do |item|
return item if item.id == id
end
return nil
end
# Get last sync
def get_last_sync
return @config['last_sync'].to_i
rescue
return 0
end
# Sync data with remote file
# @args: force -> force the sync
def sync(force=false)
return if @config.empty? or @config['protocol'].to_s.empty?
return if get_last_sync + 300 > Time.now.to_i and not force
tmp_file = "#{@wallet_file}.sync"
case @config['protocol']
when 'sftp', 'scp', 'ssh'
require "mpw/sync/ssh"
sync = SyncSSH.new(@config)
when 'ftp'
require 'mpw/sync/ftp'
sync = SyncFTP.new(@config)
else
raise I18n.t('error.sync.unknown_type')
end
sync.connect
sync.get(tmp_file)
remote = MPW.new(@key, tmp_file, @gpg_pass, @gpg_exe)
remote.read_data
File.unlink(tmp_file) if File.exist?(tmp_file)
return if remote.get_last_sync == @config['last_update']
if not remote.to_s.empty?
@data.each do |item|
update = false
remote.list.each do |r|
next if item.id != r.id
# Update item
if item.last_edit < r.last_edit
item.update(group: r.group,
host: r.host,
protocol: r.protocol,
user: r.user,
port: r.port,
comment: r.comment
)
set_password(item.id, remote.get_password(item.id))
end
r.delete
update = true
break
end
# Remove an old item
if not update and item.last_sync.to_i < get_last_sync and item.last_edit < get_last_sync
item.delete
end
end
end
# Add item
remote.list.each do |r|
next if r.last_edit <= get_last_sync
item = Item.new(id: r.id,
group: r.group,
host: r.host,
protocol: r.protocol,
user: r.user,
port: r.port,
comment: r.comment,
created: r.created,
last_edit: r.last_edit
)
set_password(item.id, remote.get_password(item.id))
add(item)
end
remote = nil
@data.each do |item|
item.set_last_sync
end
@config['last_sync'] = Time.now.to_i
write_data
sync.update(@wallet_file)
rescue Exception => e
File.unlink(tmp_file) if File.exist?(tmp_file)
raise "#{I18n.t('error.sync.general')}\n#{e}"
end
# Set an opt key
# args: id -> the item id
# key -> the new key
def set_otp_key(id, key)
if not key.to_s.empty?
@otp_keys[id] = encrypt(key.to_s)
end
end
# Get an opt key
# args: id -> the item id
# key -> the new key
def get_otp_key(id)
if @otp_keys.has_key?(id)
return decrypt(@otp_keys[id])
else
return nil
end
end
# Get an otp code
# @args: id -> the item id
# @rtrn: an otp code
def get_otp_code(id)
if not @otp_keys.has_key?(id)
return 0
else
return ROTP::TOTP.new(decrypt(@otp_keys[id])).now
end
end
# Get remaining time before expire otp code
# @rtrn: return time in seconde
def get_otp_remaining_time
return (Time.now.utc.to_i / 30 + 1) * 30 - Time.now.utc.to_i
end
# Generate a random password
# @args: options -> :length, :special, :alpha, :numeric
# @rtrn: a random string
def self.password(options={})
if not options.include?(:length) or options[:length].to_i <= 0
length = 8
elsif options[:length].to_i >= 32768
length = 32768
else
length = options[:length].to_i
end
chars = []
chars += [*('!'..'?')] - [*('0'..'9')] if options.include?(:special)
chars += [*('A'..'Z'),*('a'..'z')] if options.include?(:alpha)
chars += [*('0'..'9')] if options.include?(:numeric)
chars = [*('A'..'Z'),*('a'..'z'),*('0'..'9')] if chars.empty?
result = ''
while length > 62 do
result << chars.sample(62).join
length -= 62
end
result << chars.sample(length).join
return result
end
# Decrypt a gpg file
# @args: data -> string to decrypt
private
def decrypt(data)
return nil if data.to_s.empty?
crypto = GPGME::Crypto.new(armor: true)
return crypto.decrypt(data, password: @gpg_pass).read.force_encoding('utf-8')
rescue Exception => e
raise "#{I18n.t('error.gpg_file.decrypt')}\n#{e}"
end
# Encrypt a file
# args: data -> string to encrypt
private
def encrypt(data)
recipients = []
crypto = GPGME::Crypto.new(armor: true, always_trust: true)
recipients.push(@key)
@keys.each_key do |key|
next if key == @key
recipients.push(key)
end
return crypto.encrypt(data, recipients: recipients).read
rescue Exception => e
raise "#{I18n.t('error.gpg_file.encrypt')}\n#{e}"
end
end
end