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# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2008, by McClain Looney.
# Copyright, 2008-2013, by Nick Sieger.
# Copyright, 2011, by Gerrit Riessen.
# Copyright, 2013, by Vincent Pellé.
# Copyright, 2013, by Gustav Ernberg.
# Copyright, 2013, by Socrates Vicente.
# Copyright, 2013, by Steffen Grunwald.
# Copyright, 2019, by Olle Jonsson.
# Copyright, 2019-2024, by Samuel Williams.
# Copyright, 2019, by Patrick Davey.
# Copyright, 2022, by Jason York.
require_relative 'parts'
require_relative 'composite_read_io'
require 'securerandom'
module Multipart
module Post
module Multipartable
def self.secure_boundary
# https://tools.ietf.org/html/rfc7230
# tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*"
# / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~"
# / DIGIT / ALPHA
# https://tools.ietf.org/html/rfc2046
# bcharsnospace := DIGIT / ALPHA / "'" / "(" / ")" /
# "+" / "_" / "," / "-" / "." /
# "/" / ":" / "=" / "?"
"--#{SecureRandom.uuid}"
end
def initialize(path, params, headers={}, boundary = Multipartable.secure_boundary)
headers = headers.clone # don't want to modify the original variable
parts_headers = symbolize_keys(headers.delete(:parts) || {})
super(path, headers)
parts = symbolize_keys(params).map do |k,v|
case v
when Array
v.map {|item| Parts::Part.new(boundary, k, item, parts_headers[k]) }
else
Parts::Part.new(boundary, k, v, parts_headers[k])
end
end.flatten
parts << Parts::EpiloguePart.new(boundary)
ios = parts.map {|p| p.to_io }
self.set_content_type(headers["Content-Type"] || "multipart/form-data",
{ "boundary" => boundary })
self.content_length = parts.inject(0) {|sum,i| sum + i.length }
self.body_stream = CompositeReadIO.new(*ios)
@boundary = boundary
end
attr :boundary
private
def symbolize_keys(hash)
hash.transform_keys(&:to_sym)
end
end
end
end
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