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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_coercions
@type_coercions ||= {
Fixnum => { :type => lambda { |x| x.to_s }},
Float => { :type => lambda { |x| x.to_s }},
FalseClass => { :type => lambda { |x| "$false" }},
TrueClass => { :type => lambda { |x| "$true" }},
Hash => {:type => Proc.new { |x| translate_hash(x)}},
Array => {:type => Proc.new { |x| translate_array(x)}},
Chef::Node::ImmutableMash => {:type => Proc.new { |x| translate_hash(x)}},
Chef::Node::ImmutableArray => {:type => Proc.new { |x| translate_array(x)}},
}
end
def translate_type(value)
translation = type_coercions[value.class]
if translation
translation[:type].call(value)
elsif value.respond_to? :to_psobject
"(#{value.to_psobject})"
else
safe_string(value.to_s)
end
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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