Upgrade http.rb gem to 5.0.4.

Fixes a bug where the Foundation source strategy failed because http.rb
automatically sent a `Content-Length: 0` header with all GET requests,
which caused Foundation to return a 400 Bad Request error. This behavior
was fixed in http.rb 5.x.

http.rb 5.x has a breaking change where it now includes the request object
inside the response object, which we have to handle in a few places.

Gemfile

@@ -30,7 +30,7 @@ gem 'builder'
 gem 'puma'
 gem 'scenic'
 gem 'ipaddress_2'
-gem 'http', "~> 4.4.1"
+gem 'http'
 gem 'activerecord-hierarchical_query', git: "https://github.com/danbooru/activerecord-hierarchical_query"
 gem 'http-cookie', git: "https://github.com/danbooru/http-cookie"
 gem 'pundit'

Gemfile.lock

@@ -266,14 +266,12 @@ GEM
     heapy (0.2.0)
       thor
     hsluv (1.0.1)
-    http (4.4.1)
-      addressable (~> 2.3)
+    http (5.0.4)
+      addressable (~> 2.8)
       http-cookie (~> 1.0)
       http-form_data (~> 2.2)
-      http-parser (~> 1.2.0)
+      llhttp-ffi (~> 0.4.0)
     http-form_data (2.3.0)
-    http-parser (1.2.3)
-      ffi-compiler (>= 1.0, < 2.0)
     httpclient (2.8.3)
     i18n (1.9.1)
       concurrent-ruby (~> 1.0)
@@ -290,6 +288,9 @@ GEM
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    llhttp-ffi (0.4.0)
+      ffi-compiler (~> 1.0)
+      rake (~> 13.0)
     loofah (2.14.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -568,7 +569,7 @@ DEPENDENCIES
   google-cloud-bigquery
   google-cloud-storage
   hsluv
-  http (~> 4.4.1)
+  http
   http-cookie!
   ipaddress_2
   listen

app/logical/danbooru/http.rb

@@ -206,7 +206,7 @@ module Danbooru
     end
 
     def fake_response(status)
-      ::HTTP::Response.new(status: status, version: "1.1", body: "")
+      ::HTTP::Response.new(status: status, version: "1.1", body: "", request: nil)
     end
   end
 end

app/logical/danbooru/http/cache.rb

@@ -19,6 +19,9 @@ module Danbooru
           response.flush
           response.body.instance_variable_set(:@connection, nil)
           response.body.instance_variable_set(:@stream, nil)
+          response.instance_exec { @request = request.dup }
+          response.request.instance_exec { @uri_normalizer = nil }
+          response.request.body.instance_exec { @source = nil }
 
           response
         end

test/test_helpers/iqdb_test_helper.rb

@@ -1,7 +1,7 @@
 module IqdbTestHelper
   def mock_iqdb_matches(matches)
     Danbooru.config.stubs(:iqdb_url).returns("http://localhost:5588")
-    response = HTTP::Response.new(status: 200, body: matches.to_json, headers: { "Content-Type": "application/json" }, version: "1.1")
+    response = HTTP::Response.new(status: 200, body: matches.to_json, headers: { "Content-Type": "application/json" }, version: "1.1", request: nil)
     HTTP::Client.any_instance.stubs(:post).returns(response)
   end
 end

test/test_helpers/reportbooru_helper.rb

@@ -1,6 +1,6 @@
 module ReportbooruHelper
   def mock_request(url, method: :get, status: 200, body: nil, http: Danbooru::Http.any_instance, **options)
-    response = HTTP::Response.new(status: status, body: body, version: "1.1")
+    response = HTTP::Response.new(status: status, body: body, version: "1.1", request: nil)
     http.stubs(method).with(url, **options).returns(response)
   end
 

test/unit/danbooru_http_test.rb

@@ -123,8 +123,8 @@ class DanbooruHttpTest < ActiveSupport::TestCase
 
     context "retriable feature" do
       should "retry immediately if no Retry-After header is sent" do
-        response_429 = ::HTTP::Response.new(status: 429, version: "1.1", body: "")
-        response_200 = ::HTTP::Response.new(status: 200, version: "1.1", body: "")
+        response_429 = ::HTTP::Response.new(status: 429, version: "1.1", body: "", request: nil)
+        response_200 = ::HTTP::Response.new(status: 200, version: "1.1", body: "", request: nil)
         HTTP::Client.any_instance.expects(:perform).times(2).returns(response_429, response_200)
 
         response = Danbooru::Http.use(:retriable).get(httpbin_url("status/429"))
@@ -132,8 +132,8 @@ class DanbooruHttpTest < ActiveSupport::TestCase
       end
 
       should "retry if the Retry-After header is an integer" do
-        response_503 = ::HTTP::Response.new(status: 503, version: "1.1", headers: { "Retry-After": "1" }, body: "")
-        response_200 = ::HTTP::Response.new(status: 200, version: "1.1", body: "")
+        response_503 = ::HTTP::Response.new(status: 503, version: "1.1", headers: { "Retry-After": "1" }, body: "", request: nil)
+        response_200 = ::HTTP::Response.new(status: 200, version: "1.1", body: "", request: nil)
         HTTP::Client.any_instance.expects(:perform).times(2).returns(response_503, response_200)
 
         response = Danbooru::Http.use(:retriable).get(httpbin_url("status/503"))
@@ -141,8 +141,8 @@ class DanbooruHttpTest < ActiveSupport::TestCase
       end
 
       should "retry if the Retry-After header is a date" do
-        response_503 = ::HTTP::Response.new(status: 503, version: "1.1", headers: { "Retry-After": 2.seconds.from_now.httpdate }, body: "")
-        response_200 = ::HTTP::Response.new(status: 200, version: "1.1", body: "")
+        response_503 = ::HTTP::Response.new(status: 503, version: "1.1", headers: { "Retry-After": 2.seconds.from_now.httpdate }, body: "", request: nil)
+        response_200 = ::HTTP::Response.new(status: 200, version: "1.1", body: "", request: nil)
         HTTP::Client.any_instance.expects(:perform).times(2).returns(response_503, response_200)
 
         response = Danbooru::Http.use(:retriable).get(httpbin_url("status/503"))
@@ -166,7 +166,7 @@ class DanbooruHttpTest < ActiveSupport::TestCase
         url = "https://cdnb.artstation.com/p/assets/images/images/025/273/307/4k/atey-ghailan-a-sage-keyart-s-ch-04-outlined-1.jpg?1585246642"
         response = Danbooru::Http.use(:unpolish_cloudflare).get(url)
 
-        assert_equal(200, response.status)
+        assert_equal(200, response.status.to_i)
         assert_equal(622_784, response.content_length)
       end
     end

test/unit/reportbooru_service_test.rb

@@ -16,8 +16,8 @@ class ReportbooruServiceTest < ActiveSupport::TestCase
     end
 
     should "return nothing on failure" do
-      Danbooru::Http.any_instance.expects(:get).with("http://localhost:1234/post_views/rank?date=#{@date}").returns(HTTP::Response.new(status: 500, body: "", version: "1.1"))
-      Danbooru::Http.any_instance.expects(:get).with("http://localhost:1234/post_views/rank?date=#{@date.yesterday}").returns(HTTP::Response.new(status: 500, body: "", version: "1.1"))
+      Danbooru::Http.any_instance.expects(:get).with("http://localhost:1234/post_views/rank?date=#{@date}").returns(HTTP::Response.new(status: 500, body: "", version: "1.1", request: nil))
+      Danbooru::Http.any_instance.expects(:get).with("http://localhost:1234/post_views/rank?date=#{@date.yesterday}").returns(HTTP::Response.new(status: 500, body: "", version: "1.1", request: nil))
 
       assert_equal([], @service.popular_posts(@date))
     end