Allow setting a custom HTTP method in CacheBuster (#26528)

Co-authored-by: Jorijn Schrijvershof <jorijn@jorijn.com>
shrike
Renaud Chaput 2023-08-18 08:18:40 +02:00 committed by GitHub
parent b5acf13886
commit b95867ad1f
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6 changed files with 81 additions and 6 deletions

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@ -2,8 +2,14 @@
class CacheBuster
def initialize(options = {})
@secret_header = options[:secret_header] || 'Secret-Header'
@secret = options[:secret] || 'True'
ActiveSupport::Deprecation.warn('Default values for the cache buster secret header name and values will be removed in Mastodon 4.3. Please set them explicitely if you rely on those.') unless options[:http_method] || (options[:secret] && options[:secret_header])
@secret_header = options[:secret_header] ||
(options[:http_method] ? nil : 'Secret-Header')
@secret = options[:secret] ||
(options[:http_method] ? nil : 'True')
@http_method = options[:http_method] || 'GET'
end
def bust(url)
@ -21,8 +27,9 @@ class CacheBuster
end
def build_request(url, http_client)
Request.new(:get, url, http_client: http_client).tap do |request|
request.add_headers(@secret_header => @secret)
end
request = Request.new(@http_method.downcase.to_sym, url, http_client: http_client)
request.add_headers(@secret_header => @secret) if @secret_header.present? && @secret && !@secret.empty?
request
end
end

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@ -117,7 +117,7 @@ class Request
def perform
begin
response = http_client.public_send(@verb, @url.to_s, @options.merge(headers: headers))
response = http_client.request(@verb, @url.to_s, @options.merge(headers: headers))
rescue => e
raise e.class, "#{e.message} on #{@url}", e.backtrace[0]
end

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@ -51,6 +51,7 @@ require_relative '../lib/rails/engine_extensions'
require_relative '../lib/active_record/database_tasks_extensions'
require_relative '../lib/active_record/batches'
require_relative '../lib/simple_navigation/item_extensions'
require_relative '../lib/http_extensions'
Dotenv::Railtie.load

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@ -6,5 +6,6 @@ Rails.application.configure do
config.x.cache_buster = {
secret_header: ENV['CACHE_BUSTER_SECRET_HEADER'],
secret: ENV['CACHE_BUSTER_SECRET'],
http_method: ENV['CACHE_BUSTER_HTTP_METHOD'] || 'GET',
}
end

10
lib/http_extensions.rb Normal file
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@ -0,0 +1,10 @@
# frozen_string_literal: true
# Monkey patching until https://github.com/httprb/http/pull/757 is merged
unless HTTP::Request::METHODS.include?(:purge)
module HTTP
class Request
METHODS = METHODS.dup.push(:purge).freeze
end
end
end

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@ -0,0 +1,56 @@
# frozen_string_literal: true
require 'rails_helper'
describe CacheBuster do
subject { described_class.new(secret_header: secret_header, secret: secret, http_method: http_method) }
let(:secret_header) { nil }
let(:secret) { nil }
let(:http_method) { nil }
let(:purge_url) { 'https://example.com/test_purge' }
describe '#bust' do
shared_examples 'makes_request' do
it 'makes an HTTP purging request' do
method = http_method&.to_sym || :get
stub_request(method, purge_url).to_return(status: 200)
subject.bust(purge_url)
test_request = a_request(method, purge_url)
test_request = test_request.with(headers: { secret_header => secret }) if secret && secret_header
expect(test_request).to have_been_made.once
end
end
context 'when using default options' do
include_examples 'makes_request'
end
context 'when specifying a secret header' do
let(:secret_header) { 'X-Purge-Secret' }
let(:secret) { SecureRandom.hex(20) }
include_examples 'makes_request'
end
context 'when specifying a PURGE method' do
let(:http_method) { 'purge' }
context 'when not using headers' do
include_examples 'makes_request'
end
context 'when specifying a secret header' do
let(:secret_header) { 'X-Purge-Secret' }
let(:secret) { SecureRandom.hex(20) }
include_examples 'makes_request'
end
end
end
end