class SimpleAccessControl::AccessControlHandler

Public Instance Methods

check(role, user) click to toggle source

Check if a role applies to a user

check(‘admin’, user)

@return Boolean

# File lib/simple_access_control/access_control_handler.rb, line 34
def check(role, user)
  if user.nil? || !user.respond_to?(:roles)
    false
  elsif (role.nil? || role.empty?)
    true
  else
    user.roles.map{ |r| r.title.downcase }.include? role.downcase
  end
end
parse(string) click to toggle source

Parse a string and do some horrific ruby magic to instance eval it! : (

# File lib/simple_access_control/access_control_handler.rb, line 25
def parse(string)
  string.gsub(/(\|+|\&+)/) { $1[0,1]*2 }.gsub(/([^()|&! ]+)/) { "check('#{$1}', user)" }
end
process(string, user) click to toggle source

Process a string rule and a user

# File lib/simple_access_control/access_control_handler.rb, line 13
def process(string, user)
  return check('', user) if (string.nil? || string.empty?)
  if simple_rule?(string)
    check(string, user)
  else
    # This is awful!
    instance_eval("!! (#{parse(string)})") # give it the going-over
  end
end
simple_rule?(string) click to toggle source

Is this is a simple or compound rule?

@return Boolean

# File lib/simple_access_control/access_control_handler.rb, line 7
def simple_rule? string
  string =~ /^([^()\|&!]+)$/
end