class Authorization::AuthorizationRule
Attributes
attributes[R]
contexts[R]
join_operator[R]
privileges[R]
role[R]
source_file[R]
source_line[R]
Public Class Methods
new(role, privileges = [], contexts = nil, join_operator = :or, options = {})
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# File lib/declarative_authorization/authorization.rb, line 418 def initialize (role, privileges = [], contexts = nil, join_operator = :or, options = {}) @role = role @privileges = Set.new(privileges) @contexts = Set.new((contexts && !contexts.is_a?(Array) ? [contexts] : contexts)) @join_operator = join_operator @attributes = [] @source_file = options[:source_file] @source_line = options[:source_line] end
Public Instance Methods
append_attribute(attribute)
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# File lib/declarative_authorization/authorization.rb, line 439 def append_attribute (attribute) @attributes << attribute end
append_privileges(privs)
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# File lib/declarative_authorization/authorization.rb, line 435 def append_privileges (privs) @privileges.merge(privs) end
initialize_copy(from)
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# File lib/declarative_authorization/authorization.rb, line 429 def initialize_copy (from) @privileges = @privileges.clone @contexts = @contexts.clone @attributes = @attributes.collect {|attribute| attribute.clone } end
matches?(roles, privs, context = nil)
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# File lib/declarative_authorization/authorization.rb, line 443 def matches? (roles, privs, context = nil) roles = [roles] unless roles.is_a?(Array) @contexts.include?(context) and roles.include?(@role) and not (@privileges & privs).empty? end
obligations(attr_validator)
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# File lib/declarative_authorization/authorization.rb, line 460 def obligations (attr_validator) exceptions = [] obligations = @attributes.collect do |attr| begin attr.obligation(attr_validator) rescue NotAuthorized => e exceptions << e nil end end if exceptions.length > 0 and (@join_operator == :and or exceptions.length == @attributes.length) raise NotAuthorized, "Missing authorization in collecting obligations: #{exceptions.map(&:to_s) * ", "}" end if @join_operator == :and and !obligations.empty? # cross product of OR'ed obligations in arrays arrayed_obligations = obligations.map {|obligation| obligation.is_a?(Hash) ? [obligation] : obligation} merged_obligations = arrayed_obligations.first arrayed_obligations[1..-1].each do |inner_obligations| previous_merged_obligations = merged_obligations merged_obligations = inner_obligations.collect do |inner_obligation| previous_merged_obligations.collect do |merged_obligation| merged_obligation.deep_merge(inner_obligation) end end.flatten end obligations = merged_obligations else obligations = obligations.flatten.compact end obligations.empty? ? [{}] : obligations end
to_long_s()
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# File lib/declarative_authorization/authorization.rb, line 494 def to_long_s attributes.collect {|attr| attr.to_long_s } * "; " end
validate?(attr_validator, skip_attribute = false)
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# File lib/declarative_authorization/authorization.rb, line 449 def validate? (attr_validator, skip_attribute = false) skip_attribute or @attributes.empty? or @attributes.send(@join_operator == :and ? :all? : :any?) do |attr| begin attr.validate?(attr_validator) rescue NilAttributeValueError => e nil # Bumping up against a nil attribute value flunks the rule. end end end