1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
# frozen_string_literal: true
require 'uri'
require 'openssl'
module Aws
module S3
module Plugins
class SseCpk < Seahorse::Client::Plugin
option(:require_https_for_sse_cpk,
default: true,
doc_type: 'Boolean',
docstring: <<-DOCS)
When `true`, the endpoint **must** be HTTPS for all operations
where server-side-encryption is used with customer-provided keys.
This should only be disabled for local testing.
DOCS
class Handler < Seahorse::Client::Handler
def call(context)
compute_key_md5(context) if context.params.is_a?(Hash)
@handler.call(context)
end
private
def compute_key_md5(context)
params = context.params
if key = params[:sse_customer_key]
require_https(context)
params[:sse_customer_key] = base64(key)
params[:sse_customer_key_md5] = base64(md5(key))
end
if key = params[:copy_source_sse_customer_key]
require_https(context)
params[:copy_source_sse_customer_key] = base64(key)
params[:copy_source_sse_customer_key_md5] = base64(md5(key))
end
end
def require_https(context)
unless URI::HTTPS === context.config.endpoint
msg = <<-MSG.strip.gsub("\n", ' ')
Attempting to send customer-provided-keys for S3
server-side-encryption over HTTP; Please configure a HTTPS
endpoint. If you are attempting to use a test endpoint,
you can disable this check via `:require_https_for_sse_cpk`
MSG
raise ArgumentError, msg
end
end
def md5(str)
OpenSSL::Digest::MD5.digest(str)
end
def base64(str)
Base64.encode64(str).strip
end
end
handler(Handler, step: :initialize)
end
end
end
end
|
