/usr/share/chef-server-api/app/helpers/cookbook_version_helper.rb is in chef-server-api 10.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Stephen Delano (<stephen@opscode.com>)
# Copyright:: Copyright (c) 2011 Opscode, 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.
#
module Merb
module CookbookVersionHelper
include Merb::ControllerExceptions
# takes a cookbook_name and an array of versions and returns a hash
# params:
# - cookbook_name: the name of the cookbook
# - versions: a sorted list of version strings
#
# returns:
# {
# :url => http://url,
# :versions => [
# { :version => version, :url => http://url/version },
# { :version => version, :url => http://url/version }
# ]
# }
def expand_cookbook_urls(cookbook_name, versions, num_versions)
versions = versions[0...num_versions.to_i] unless num_versions == "all"
version_list = versions.inject([]) do |res, version|
res.push({
:url => absolute_url(:cookbook_version, :cookbook_name => cookbook_name, :cookbook_version => version),
:version => version
})
res
end
url = absolute_url(:cookbook, :cookbook_name => cookbook_name)
{:url => url, :versions => version_list}
end
# validate and return the number of versions requested
# by the user
#
# raises an exception if an invalid number is requested
#
# params:
# - default: the number of versions to default to
#
# valid num_versions query parameter:
# - an integer >= 0
# - the string "all"
def num_versions!(default="1")
input = params[:num_versions]
result = if input
valid_input = (input == "all" || Integer(input) >= 0) rescue false
raise BadRequest, "You have requested an invalid number of versions (x >= 0 || 'all')" unless valid_input
input
else
default
end
end
end
end
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