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#
# Author:: Stanislav Vitvitskiy
# Author:: Nuo Yan (nuo@chef.io)
# Author:: Christopher Walters (<cw@chef.io>)
# Copyright:: Copyright 2009-2016, 2010-2016 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.
#
require "uri"
require "net/http"
require "mixlib/authentication/signedheaderauth"
require "openssl"
class Chef
# == Chef::CookbookSiteStreamingUploader
# A streaming multipart HTTP upload implementation. Used to upload cookbooks
# (in tarball form) to https://supermarket.chef.io
#
# inspired by http://stanislavvitvitskiy.blogspot.com/2008/12/multipart-post-in-ruby.html
class CookbookSiteStreamingUploader
DefaultHeaders = { "accept" => "application/json", "x-chef-version" => ::Chef::VERSION } # rubocop:disable Style/ConstantName
class << self
def create_build_dir(cookbook)
tmp_cookbook_path = Tempfile.new("chef-#{cookbook.name}-build")
tmp_cookbook_path.close
tmp_cookbook_dir = tmp_cookbook_path.path
File.unlink(tmp_cookbook_dir)
FileUtils.mkdir_p(tmp_cookbook_dir)
Chef::Log.debug("Staging at #{tmp_cookbook_dir}")
checksums_to_on_disk_paths = cookbook.checksums
Chef::CookbookVersion::COOKBOOK_SEGMENTS.each do |segment|
cookbook.manifest[segment].each do |manifest_record|
path_in_cookbook = manifest_record[:path]
on_disk_path = checksums_to_on_disk_paths[manifest_record[:checksum]]
dest = File.join(tmp_cookbook_dir, cookbook.name.to_s, path_in_cookbook)
FileUtils.mkdir_p(File.dirname(dest))
Chef::Log.debug("Staging #{on_disk_path} to #{dest}")
FileUtils.cp(on_disk_path, dest)
end
end
# First, generate metadata
Chef::Log.debug("Generating metadata")
kcm = Chef::Knife::CookbookMetadata.new
kcm.config[:cookbook_path] = [ tmp_cookbook_dir ]
kcm.name_args = [ cookbook.name.to_s ]
kcm.run
tmp_cookbook_dir
end
def post(to_url, user_id, secret_key_filename, params = {}, headers = {})
make_request(:post, to_url, user_id, secret_key_filename, params, headers)
end
def put(to_url, user_id, secret_key_filename, params = {}, headers = {})
make_request(:put, to_url, user_id, secret_key_filename, params, headers)
end
def make_request(http_verb, to_url, user_id, secret_key_filename, params = {}, headers = {})
boundary = "----RubyMultipartClient" + rand(1000000).to_s + "ZZZZZ"
parts = []
content_file = nil
secret_key = OpenSSL::PKey::RSA.new(File.read(secret_key_filename))
unless params.nil? || params.empty?
params.each do |key, value|
if value.kind_of?(File)
content_file = value
filepath = value.path
filename = File.basename(filepath)
parts << StringPart.new( "--" + boundary + "\r\n" +
"Content-Disposition: form-data; name=\"" + key.to_s + "\"; filename=\"" + filename + "\"\r\n" +
"Content-Type: application/octet-stream\r\n\r\n")
parts << StreamPart.new(value, File.size(filepath))
parts << StringPart.new("\r\n")
else
parts << StringPart.new( "--" + boundary + "\r\n" +
"Content-Disposition: form-data; name=\"" + key.to_s + "\"\r\n\r\n")
parts << StringPart.new(value.to_s + "\r\n")
end
end
parts << StringPart.new("--" + boundary + "--\r\n")
end
body_stream = MultipartStream.new(parts)
timestamp = Time.now.utc.iso8601
url = URI.parse(to_url)
Chef::Log.logger.debug("Signing: method: #{http_verb}, url: #{url}, file: #{content_file}, User-id: #{user_id}, Timestamp: #{timestamp}")
# We use the body for signing the request if the file parameter
# wasn't a valid file or wasn't included. Extract the body (with
# multi-part delimiters intact) to sign the request.
# TODO: tim: 2009-12-28: It'd be nice to remove this special case, and
# always hash the entire request body. In the file case it would just be
# expanded multipart text - the entire body of the POST.
content_body = parts.inject("") { |result, part| result + part.read(0, part.size) }
content_file.rewind if content_file # we consumed the file for the above operation, so rewind it.
signing_options = {
:http_method => http_verb,
:path => url.path,
:user_id => user_id,
:timestamp => timestamp }
(content_file && signing_options[:file] = content_file) || (signing_options[:body] = (content_body || ""))
headers.merge!(Mixlib::Authentication::SignedHeaderAuth.signing_object(signing_options).sign(secret_key))
content_file.rewind if content_file
# net/http doesn't like symbols for header keys, so we'll to_s each one just in case
headers = DefaultHeaders.merge(Hash[*headers.map { |k, v| [k.to_s, v] }.flatten])
req = case http_verb
when :put
Net::HTTP::Put.new(url.path, headers)
when :post
Net::HTTP::Post.new(url.path, headers)
end
req.content_length = body_stream.size
req.content_type = "multipart/form-data; boundary=" + boundary unless parts.empty?
req.body_stream = body_stream
http = Chef::HTTP::BasicClient.new(url).http_client
res = http.request(req)
# alias status to code and to_s to body for test purposes
# TODO: stop the following madness!
class << res
alias :to_s :body
# BUGBUG this makes the response compatible with what respsonse_steps expects to test headers (response.headers[] -> response[])
def headers # rubocop:disable Lint/NestedMethodDefinition
self
end
def status # rubocop:disable Lint/NestedMethodDefinition
code.to_i
end
end
res
end
end
class StreamPart
def initialize(stream, size)
@stream, @size = stream, size
end
def size
@size
end
# read the specified amount from the stream
def read(offset, how_much)
@stream.read(how_much)
end
end
class StringPart
def initialize(str)
@str = str
end
def size
@str.length
end
# read the specified amount from the string startiung at the offset
def read(offset, how_much)
@str[offset, how_much]
end
end
class MultipartStream
def initialize(parts)
@parts = parts
@part_no = 0
@part_offset = 0
end
def size
@parts.inject(0) { |size, part| size + part.size }
end
def read(how_much, dst_buf = nil)
if @part_no >= @parts.size
dst_buf.replace("") if dst_buf
return dst_buf
end
how_much_current_part = @parts[@part_no].size - @part_offset
how_much_current_part = if how_much_current_part > how_much
how_much
else
how_much_current_part
end
how_much_next_part = how_much - how_much_current_part
current_part = @parts[@part_no].read(@part_offset, how_much_current_part)
# recurse into the next part if the current one was not large enough
if how_much_next_part > 0
@part_no += 1
@part_offset = 0
next_part = read(how_much_next_part)
result = current_part + if next_part
next_part
else
""
end
else
@part_offset += how_much_current_part
result = current_part
end
dst_buf ? dst_buf.replace(result || "") : result
end
end
end
end
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