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path: root/lib/chef/knife/acl_bulk_remove.rb
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#
# Author:: Jeremiah Snapp (jeremiah@chef.io)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require_relative "../knife"

class Chef
  class Knife
    class AclBulkRemove < Chef::Knife
      category "acl"
      banner "knife acl bulk remove MEMBER_TYPE MEMBER_NAME OBJECT_TYPE REGEX PERMS"

      deps do
        require_relative "acl_base"
        include Chef::Knife::AclBase
      end

      def run
        member_type, member_name, object_type, regex, perms = name_args
        object_name_matcher = /#{regex}/

        if name_args.length != 5
          show_usage
          ui.fatal "You must specify the member type [client|group|user], member name, object type, object name REGEX and perms"
          exit 1
        end

        if member_name == "pivotal" && %w{client user}.include?(member_type)
          ui.fatal "ERROR: 'pivotal' is a system user so knife-acl will not remove it from an ACL."
          exit 1
        end
        if member_name == "admins" && member_type == "group" && perms.to_s.split(",").include?("grant")
          ui.fatal "ERROR: knife-acl will not remove the 'admins' group from the 'grant' ACE."
          ui.fatal "       Removal could prevent future attempts to modify permissions."
          exit 1
        end
        validate_perm_type!(perms)
        validate_member_type!(member_type)
        validate_member_name!(member_name)
        validate_object_type!(object_type)
        validate_member_exists!(member_type, member_name)

        if %w{containers groups}.include?(object_type)
          ui.fatal "bulk modifying the ACL of #{object_type} is not permitted"
          exit 1
        end

        objects_to_modify = []
        all_objects = rest.get_rest(object_type)
        objects_to_modify = all_objects.keys.select { |object_name| object_name =~ object_name_matcher }

        if objects_to_modify.empty?
          ui.info "No #{object_type} match the expression /#{regex}/"
          exit 0
        end

        ui.msg("The ACL of the following #{object_type} will be modified:")
        ui.msg("")
        ui.msg(ui.list(objects_to_modify.sort, :columns_down))
        ui.msg("")
        ui.confirm("Are you sure you want to modify the ACL of these #{object_type}?")

        objects_to_modify.each do |object_name|
          remove_from_acl!(member_type, member_name, object_type, object_name, perms)
        end
      end
    end
  end
end