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#
# Author:: Adam Edwards (<adamed@chef.io>)
# Author:: Jay Mundrawala (<jdm@chef.io>)
# Copyright:: Copyright 2015-2016, 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.
#
class Chef
module Mixin
module PowershellTypeCoercions
def type_coercion(value)
case value
when Integer, Float
value.to_s
when FalseClass
"$false"
when TrueClass
"$true"
when Hash, Chef::Node::ImmutableMash
translate_hash(value)
when Array, Chef::Node::ImmutableArray
translate_array(value)
end
end
def psobject_conversion(value)
if value.respond_to?(:to_psobject)
"(#{value.to_psobject})"
end
end
def translate_type(value)
type_coercion(value) || psobject_conversion(value) || safe_string(value.to_s)
end
private
def translate_hash(x)
translated = x.inject([]) do |memo, (k, v)|
memo << "#{k}=#{translate_type(v)}"
end
"@{#{translated.join(";")}}"
end
def translate_array(x)
translated = x.map do |v|
translate_type(v)
end
"@(#{translated.join(",")})"
end
def unsafe?(s)
["'", "#", "`", '"'].any? do |x|
s.include? x
end
end
def safe_string(s)
# do we need to worry about binary data?
if unsafe?(s)
encoded_str = Base64.strict_encode64(s.encode("UTF-8"))
"([System.Text.Encoding]::UTF8.GetString("\
"[System.Convert]::FromBase64String('#{encoded_str}')"\
"))"
else
"'#{s}'"
end
end
end
end
end
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