Class: PWKeep::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/pwkeep/main.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Main

Returns a new instance of Main.



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# File 'lib/pwkeep/main.rb', line 8

def initialize
  @opts = { :home => ENV['PWKEEP_HOME'] || '~/.pwkeep' } # required value
end

Instance Attribute Details

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/pwkeep/main.rb', line 6

def opts
  @opts
end

Class Method Details

.run ⇒ Object 



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# File 'lib/pwkeep/main.rb', line 69

def self.run
  Main.new.run
end

Instance Method Details

#keypair_load ⇒ Object 



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# File 'lib/pwkeep/main.rb', line 12

def keypair_load
  counter = 0
  while true 
    begin
      pw = ask("Enter your password:") { |q| q.echo = false }
      @storage.keypair_load pw
    rescue OpenSSL::PKey::RSAError => e
      say "<%= color('Invalid password', RED) %>"
      counter = counter + 1
      if (counter>2) 
        raise e
      end
      next
    end
    break
  end
end

#load_config ⇒ Object 



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# File 'lib/pwkeep/main.rb', line 73

def load_config
  config_file = Pathname.new(@opts[:home]).expand_path.join('config.yml')
  if config_file.exist? 
     PWKeep::Config.instance.load(config_file)
  end 
end

#run ⇒ Object 



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# File 'lib/pwkeep/main.rb', line 80

def run
  setup
  load_config
  @storage = PWKeep::Storage.new(:path => opts[:home])
  
  begin
    if opts[:initialize]
      @storage.create
  
      if @storage.valid? 
        say("<%= color('WARNING!', BOLD) %> a valid pwkeep storage was found!")
        say("If you continue, the existing storage becomes <%= color('UNUSABLE', BOLD) %>")
        unless agree("Continue (y/n)? ") 
          raise PWKeep::Exception, "Storage initialization aborted" 
        end
      end
  
      # create a keypair
      pw_a = ""
      pw_b = ""
      while(pw_a == "" or pw_a != pw_b)
         pw_a = ask("Enter your password:   ") { |q| q.echo = false }
         pw_b = ask("Confirm your password: ") { |q| q.echo = false }
         say("<%= color('Passwords did not match', RED %>") unless pw_a == pw_b
      end
      @storage.keypair_create(pw_b)
      # this concludes initialization
      say("<%= color('Password storage initialized', GREEN %>")
      return
    end
   
    raise "Storage not initialized (run with --initialize)" unless @storage.valid? 
  
    if opts[:view]
      keypair_load
   
      data = @storage.load_system opts[:system]
  
      say("Last edited: #{data[:stored_at]}\nSystem: #{data[:system]}\n\n")
      say(data[:data])
      return 
    end
  
    if opts[:create]
      data = "Username: \nPassword: #{KeePass::Password.generate('uullA{6}')}"
      
      result = PWKeep.run_editor(data, {})
  
      unless result[0]
        raise PWKeep::Exception, "Not modified"
      end
  
      keypair_load
      @storage.save_system opts[:system], result[1]
      say("<%= color('Changes stored', GREEN)%>")
      return
    end
  
    if opts[:edit]
      keypair_load
      data = @storage.load_system opts[:system]
      result = PWKeep.run_editor(data[:data], {})
      unless result[0]
        raise PWKeep::Exception, "Not modified"
      end
      @storage.save_system opts[:system], result[1]
      say("<%= color('Changes stored', GREEN)%>")
      return
    end
  
    if opts[:delete]
      keypair_load
      data = @storage.load_system opts[:system]
      # just to be sure
      unless agree("Are you <%=color('SURE',BOLD)%> you want to delete #{data[:system]}?")
        @storage.delete data[:system]
      end
      say("<%= color('System deleted', YELLOW)%>")
      return
    end
  
    if opts[:search]
      keypair_load
      say("All matching systems\n")
      @storage.list_all_systems.sort.each do |system|
        if system.match opts[:search]
          say("  - #{system}")
        end
      end
      return
    end
  
    if opts[:list]
      keypair_load
      say("All known systems\n")
      @storage.list_all_systems.sort.each do |system| 
        say("  - #{system}")
      end
      return
    end

    if opts[:migrate]
      keypair_load
      say("Migrating systems...\n")
      count = @storage.migrate
      say("Migrated #{count} systems\n")
      return
    end
  rescue PWKeep::Exception => e1
   PWKeep::logger.error e1.message.colorize(:red)
  rescue OpenSSL::PKey::RSAError => e2
   PWKeep::logger.error "Cannot load private key".colorize(:red)
  rescue SystemExit,Interrupt
   # ignore
  end
end

#setup ⇒ Object 



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# File 'lib/pwkeep/main.rb', line 30

def setup
  @opts = Trollop::options do
    version "0.0.1 (c) 2014 Aki Tuomi"
    banner <<-EOS
This program is a simple password storage utility. Distributed under MIT license. NO WARRANTY.
  
Usage:
  #{$0} [options]
  
Where [options] are
    
EOS
    opt :system, "System name", :type => :string, :short => '-n'
    opt :initialize, "Initialize storage at ~/.pwkeep (you can change this with PWKEEP_HOME or --home)", :short => '-i'
    opt :create, "Create new entry", :short => '-c'
    opt :view, "View entry", :short => '-v'
    opt :edit, "Edit entry", :short => '-e'
    opt :delete, "Delete entry", :short => '-d'
    opt :search, "Search for system or username", :type => :string, :short => '-s'
    opt :list, "List all known systems", :short => '-l'
    opt :help, "Show usage", :short => '-h'
    opt :home, "Home directory", :short => '-H', :type => :string, :default => ( ENV['PWKEEP_HOME'] || '~/.pwkeep' )
    opt :migrate, "Migrate from old storage format(s)"
    opt :version, "Show version", :short => '-V'
  end
  
  # validate options
  Trollop::die :system, "must be given for create/show/edit/delete" if opts[:system].nil? and (opts[:edit] or opts[:view] or opts[:delete] or opts[:create])
  Trollop::die :create, "can only have one mode of operation" if opts[:create] and (opts[:edit] or opts[:view] or opts[:delete] or opts[:search] or opts[:initialize] or opts[:list])
  Trollop::die :edit, "can only have one mode of operation" if opts[:edit] and (opts[:create] or opts[:view] or opts[:delete] or opts[:search] or opts[:initialize] or opts[:list])
  Trollop::die :view, "can only have one mode of operation" if opts[:view] and (opts[:edit] or opts[:create] or opts[:delete] or opts[:search] or opts[:initialize] or opts[:list])
  Trollop::die :delete, "can only have one mode of operation" if opts[:delete] and (opts[:edit] or opts[:view] or opts[:create] or opts[:search] or opts[:initialize] or opts[:list])
  Trollop::die :search, "can only have one mode of operation" if opts[:search] and (opts[:edit] or opts[:view] or opts[:delete] or opts[:create] or opts[:initialize] or opts[:list])
  Trollop::die :initialize, "can only have one mode of operation" if opts[:initialize] and (opts[:edit] or opts[:view] or opts[:delete] or opts[:create] or opts[:search] or opts[:list])
  Trollop::die :list, "can only have one mode of operation" if opts[:list] and (opts[:edit] or opts[:view] or opts[:delete] or opts[:create] or opts[:search] or opts[:initialize])
  
  Trollop::die "You must choose one mode of operation" unless opts[:create] or opts[:edit] or opts[:view] or opts[:delete] or opts[:search] or opts[:initialize] or opts[:list] or opts[:migrate]
end