Class: BetterCap::Proxy::HTTP::SSL::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/bettercap/proxy/http/ssl/authority.rb

Overview

Used as an on-disk cache of server certificates.

Constant Summary collapse

PATH =

The store path.

File.join( Dir.home, '.bettercap', 'certificates' )

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Store

Create an instance of this class.



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# File 'lib/bettercap/proxy/http/ssl/authority.rb', line 49

def initialize
  unless File.directory?( Store::PATH )
    Logger.info "[#{'SSL'.green}] Initializing certificates store '#{Store::PATH}' ..."
    FileUtils.mkdir_p( Store::PATH )
  end

  @store = {}
  @lock  = Mutex.new
end

Instance Method Details

#find(hostname, port) ⇒ Object

Find the hostname:port certificate and return it.



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# File 'lib/bettercap/proxy/http/ssl/authority.rb', line 60

def find( hostname, port )
  # make sure *.domain.tld hostnames are correctly sanitized
  hostname.gsub!( "*.", "www." )

  key = Digest::SHA256.hexdigest( "#{hostname}_#{port}" )

  @lock.synchronize {
    unless @store.has_key?(key)
      # Certificate not available in memory, search it in the store PATH.
      filename = File.join( Store::PATH, key )
      s_cert = load_from_file( filename )
      # Not available on disk too, fetch it from the server and save it.
      if s_cert.nil?
        Logger.info "[#{'SSL'.green}] Fetching certificate from #{hostname}:#{port} ..."

        s_cert = Fetcher.fetch( hostname, port )
        save_to_file( s_cert, filename )
      else
        Logger.debug "[#{'SSL'.green}] Loaded HTTPS certificate for '#{hostname}' from store."
      end

      @store[key] = s_cert
    end
  }

  @store[key]
end