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# redMine - project management software
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# Copyright (C) 2006-2007 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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module Foreman
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module AccessControl
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class << self
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def map
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mapper = Mapper.new
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yield mapper
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@permissions ||= []
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@permissions += mapper.mapped_permissions
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end
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def permissions
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@permissions
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end
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# Returns the permission of given name or nil if it wasn't found
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# Argument should be a symbol
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def permission(name)
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permissions.detect {|p| p.name == name}
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end
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# Returns the actions that are allowed by the permission of given name
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def allowed_actions(permission_name)
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perm = permission(permission_name)
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perm ? perm.actions : []
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end
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def public_permissions
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@public_permissions ||= @permissions.select {|p| p.public?}
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end
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def members_only_permissions
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@members_only_permissions ||= @permissions.select {|p| p.require_member?}
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end
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def loggedin_only_permissions
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@loggedin_only_permissions ||= @permissions.select {|p| p.require_loggedin?}
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end
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def available_security_blocks
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@available_security_blocks ||= @permissions.collect(&:security_block).uniq.compact
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end
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def blocks_permissions(modules)
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@permissions.select {|p| p.security_block.nil? || modules.include?(p.security_block.to_s)}
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end
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end
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class Mapper
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def initialize
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@security_block = nil
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end
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def permission(name, hash, options={})
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@permissions ||= []
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options.merge!(:security_block => @security_block) if @security_block
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@permissions << Permission.new(name, hash, options)
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end
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def security_block(name, options={})
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@security_block = name
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yield self
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@security_block = nil
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end
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def mapped_permissions
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@permissions
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end
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end
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class Permission
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attr_reader :name, :actions, :security_block, :resource_type, :engine
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def initialize(name, hash, options)
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@name = name
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@actions = []
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@public = options[:public] || false
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@require = options[:require]
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@security_block = options[:security_block]
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@resource_type = options[:resource_type]
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@engine = options[:engine]
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hash.each do |controller, actions|
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if actions.is_a? Array
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@actions << actions.collect {|action| "#{controller}/#{action}"}
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else
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@actions << "#{controller}/#{actions}"
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end
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end
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@actions.flatten!
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end
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def public?
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@public
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end
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def require_member?
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@require && @require == :member
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end
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def require_loggedin?
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@require && (@require == :member || @require == :loggedin)
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end
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end
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end
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end
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