class Six

Attributes

current_rule_pack[R]

rules_packs[R]

Public Class Methods

new(packs={}) click to toggle source

Initialize ability object

Parameters:¶ ↑

packs: A Hash or rules to add with initializtion

Returns:¶ ↑

self

# File lib/six.rb, line 32
def initialize(packs={})
  raise InitializeArgumentError.new unless packs.kind_of?(Hash)

  @rules_packs = {}
  @current_rule_pack = nil

  packs.each { |key, pack| add_pack!(key, pack) }
end

Public Instance Methods

<<(pack) click to toggle source

Add pack to authorization class w/o key

Parameters:¶ ↑

pack: Any kind of object responding to allowed method

Returns:¶ ↑

true or raise exception

# File lib/six.rb, line 91
def <<(pack)
  add_pack!(pack.object_id.to_s, pack)
end

add_pack(name, pack) click to toggle source

Add pack to authorization class

Parameters:¶ ↑

name: A Symbol declaring the key name of stored pack
pack: Any kind of object responding to allowed method

Returns:¶ ↑

true or false

# File lib/six.rb, line 73
def add_pack(name, pack)
  rules_packs[name.to_sym] = pack if valid_rules_object?(pack)
end

Also aliased as: add

add_pack!(name, pack) click to toggle source

Same as add_pack but raise exception if pack is invalid

# File lib/six.rb, line 78
def add_pack!(name, pack)
  add_pack(name, pack) || raise_incorrect_pack_object
end

Also aliased as: add!

allowed?(object, actions, subject) click to toggle source

Check if authorization class allow access for object to subject using selected pack or all stored. Basically this method

send :allowed for every stored object in packs and pass object & subject
check if any of results include allowed action

Parameters:¶ ↑

action: Action name to check for access
object: object trying to access resource
subject: resource

Returns:¶ ↑

true or false

# File lib/six.rb, line 162
def allowed?(object, actions, subject)
  # if multiple actions passed
  # check all actions to be allowed
  if actions.respond_to?(:each) 
    actions.all? { |action| action_included?(object, action, subject) }
  else
    # single action check
    action_included?(object, actions, subject)
  end
end

pack_exist?(name) click to toggle source

Check if authorization class has pack with such name

Parameters:¶ ↑

name: A Symbol declaring the key name of stored pack

Returns:¶ ↑

true or false

# File lib/six.rb, line 141
def pack_exist?(name)
  rules_packs.has_key?(name.to_sym)
end

Also aliased as: exist?

remove_pack(name) click to toggle source

Remove pack from authorization class

Parameters:¶ ↑

name: A Symbol declaring the key name of stored pack

Returns:¶ ↑

true or false

# File lib/six.rb, line 104
def remove_pack(name)
  if pack_exist?(name)
    @current_rule_pack = nil if rules_packs[name.to_sym] == @current_rule_pack
    rules_packs.delete(name.to_sym)
  end
end

Also aliased as: remove

remove_pack!(name) click to toggle source

Same as remove_pack but raise exception if pack wasnt found

# File lib/six.rb, line 112
def remove_pack!(name)
  remove_pack(name) || raise_no_such_pack
end

Also aliased as: remove!

reset_use() click to toggle source

Reset current used rule pack so auth class use global allowed? for new request

# File lib/six.rb, line 175
def reset_use
  @current_rule_pack = nil
end

Also aliased as: reset

use_pack(name) click to toggle source

Set current pack from stored packs by key

Parameters:¶ ↑

name: A Symbol declaring the key name of stored pack

Returns:¶ ↑

self or false

# File lib/six.rb, line 50
def use_pack(name)
  if pack_exist?(name)
    @current_rule_pack = name.to_sym
    self
  end
end

Also aliased as: use

use_pack!(name) click to toggle source

Same as use but raise exception if no pack found

# File lib/six.rb, line 58
def use_pack!(name)
  use_pack(name) ? self : raise_no_such_pack
end

Also aliased as: use!

valid_rules_object?(object) click to toggle source

Check if object for rule pack is valid

Parameters:¶ ↑

pack: Any kind of object responding to allowed method

Returns:¶ ↑

true or false

# File lib/six.rb, line 125
def valid_rules_object?(object)
  object.respond_to?(:allowed) &&
    object.send(:allowed, nil, nil).kind_of?(Array)
rescue 
  false
end

Protected Instance Methods

action_included?(object, action, subject) click to toggle source

# File lib/six.rb, line 181
def action_included?(object, action, subject)
  if current_rule_pack
    rules_packs[current_rule_pack].allowed(object, subject).include?(action)
  else 
    rules_packs.values.map { |rp| rp.allowed(object, subject) }.flatten.include?(action)
  end
end

add(name, pack)

Alias for: add_pack

add!(name, pack)

Alias for: add_pack!

exist?(name)

Alias for: pack_exist?

raise_incorrect_pack_object() click to toggle source

# File lib/six.rb, line 193
def raise_incorrect_pack_object
  raise Six::InvalidPackPassed.new
end

raise_no_such_pack() click to toggle source

# File lib/six.rb, line 189
def raise_no_such_pack
  raise Six::NoPackError.new
end

remove(name)

Alias for: remove_pack

remove!(name)

Alias for: remove_pack!

reset()

Alias for: reset_use

use(name)

shotcuts for long methods

Alias for: use_pack

use!(name)

Alias for: use_pack!