Sha256: 45b95ab71801e745f0e183a085ba60b1e05130922cf16357dcaede72bf857672
Contents?: true
Size: 1.17 KB
Versions: 9
Compression:
Stored size: 1.17 KB
Contents
# ContextRole is the class containing the context role definitions
#
# Usage: ContextRole.add :logged_in_user, "!session[:currentuser].nil?"
class ContextRole
class << self
# Hash containing all the context roles. Keys are the role names Values are
# the Ruby eval strings Eval strings must result in true or false
attr_reader :roles
# Adds a context role to the list of context roles. @symbol defines the name
# of the context role @context_rule defines the ruby code to be evaluated
# when determining role membership
#
# If the context role already exists, an exception is thrown.
def add(symbol, context_rule = "", &block)
symbol = symbol.to_sym
@roles = Hash.new if @roles.nil?
raise ArgumentError, "CBAC: ContextRole was already defined:" + symbol.to_s if @roles.keys.include?(symbol)
# TODO following code
#raise ArgumentError, "CBAC: cannot specify both string rule and block rule" unless context_rule.nil? and block.nil?
# TODO context parameter in block statement is not explicitly tested
block = eval("Proc.new {|context| " + context_rule + "}") if block.nil?
@roles[symbol] = block
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems