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#
# Author:: John Kerry (<john@kerryhouse.net>)
# Copyright:: Copyright 2013-2016, John Kerry
# 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 "tempfile"
require "net/sftp"
require_relative "../remote_file"
require_relative "../../file_content_management/tempfile"
class Chef
class Provider
class RemoteFile
class SFTP
attr_reader :uri
attr_reader :new_resource
attr_reader :current_resource
def initialize(uri, new_resource, current_resource)
@uri = uri
@new_resource = new_resource
@current_resource = current_resource
validate_path!
validate_userinfo!
end
def hostname
@uri.host
end
def port
@uri.port
end
def user
URI.unescape(uri.user)
end
def fetch
get
end
private
def sftp
host = port ? "#{hostname}:#{port}" : hostname
@sftp ||= Net::SFTP.start(host, user, password: pass)
end
def pass
URI.unescape(uri.password)
end
def validate_path!
path = uri.path.sub(%r{\A/}, "%2F") # re-encode the beginning slash because uri library decodes it.
directories = path.split(%r{/}, -1)
directories.each do |d|
d.gsub!(/%([0-9A-Fa-f][0-9A-Fa-f])/) { [$1].pack("H2") }
end
unless filename = directories.pop
raise ArgumentError, "no filename: #{path.inspect}"
end
if filename.length == 0 || filename.end_with?( "/" )
raise ArgumentError, "no filename: #{path.inspect}"
end
end
def validate_userinfo!
if uri.userinfo
unless uri.user
raise ArgumentError, "no user name provided in the sftp URI"
end
unless uri.password
raise ArgumentError, "no password provided in the sftp URI"
end
else
raise ArgumentError, "no userinfo provided in the sftp URI"
end
end
def get
tempfile =
Chef::FileContentManagement::Tempfile.new(@new_resource).tempfile
sftp.download!(uri.path, tempfile.path)
tempfile.close if tempfile
tempfile
end
end
end
end
end
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