check_insecure_method(obj, msg_id)
public
Check that a method is callable via dRuby.
obj is the object we want to invoke the method on. msg_id
is the method name, as a Symbol.
If the method is an insecure method (see #insecure_method?) a SecurityError is thrown. If the method is
private or undefined, a NameError is thrown.
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def check_insecure_method(obj, msg_id)
return true if Proc === obj && msg_id == :__drb_yield
raise(ArgumentError, "#{any_to_s(msg_id)} is not a symbol") unless Symbol == msg_id.class
raise(SecurityError, "insecure method `#{msg_id}'") if insecure_method?(msg_id)
if obj.private_methods.include?(msg_id)
desc = any_to_s(obj)
raise NoMethodError, "private method `#{msg_id}' called for #{desc}"
elsif obj.protected_methods.include?(msg_id)
desc = any_to_s(obj)
raise NoMethodError, "protected method `#{msg_id}' called for #{desc}"
else
true
end
end