VerifiedKeyWithExpiration no longer needed

Thanks to rails/rails#29854! This does mean that we now depend on rails/rails master.

Gemfile

@@ -4,10 +4,7 @@ git_source(:github) { |repo_path| "https://github.com/#{repo_path}.git" }
 
 gemspec
 
-gem "activesupport", github: "rails/rails"
-gem "activerecord", github: "rails/rails"
-gem "actionpack", github: "rails/rails"
-gem "activejob", github: "rails/rails"
+gem "rails", github: "rails/rails"
 
 gem "rake"
 gem "byebug"

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/rails/rails.git
-  revision: 5c16dd35a23f75038baf1527143ee44accf081ff
+  revision: 127b475dc251a06942fe0cd2de2e0545cf5ed69f
   specs:
     actioncable (5.2.0.alpha)
       actionpack (= 5.2.0.alpha)
@@ -126,7 +126,7 @@ GEM
       multi_json (~> 1.10)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    mail (2.6.5)
+    mail (2.6.6)
       mime-types (>= 1.16, < 4)
     memoist (0.16.0)
     method_source (0.8.2)
@@ -135,7 +135,7 @@ GEM
     mime-types-data (3.2016.0521)
     mini_magick (4.8.0)
     mini_portile2 (2.2.0)
-    minitest (5.10.2)
+    minitest (5.10.3)
     multi_json (1.12.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
@@ -199,20 +199,17 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  actionpack!
-  activejob!
-  activerecord!
   activestorage!
-  activesupport!
   aws-sdk (~> 2)
   bundler (~> 1.15)
   byebug
   google-cloud-storage (~> 1.3)
   httparty
   mini_magick
+  rails!
   rake
   rubocop
   sqlite3
 
 BUNDLED WITH
-   1.15.2
+   1.15.3

README.md

@@ -87,7 +87,6 @@ Variation of image attachment:
 - Read metadata via Marcel?
 - Add Migrator to copy/move between services
 - [Explore direct uploads to cloud](https://github.com/rails/activestorage/pull/19)
-- Extract VerifiedKeyWithExpiration into Rails as a feature of MessageVerifier
 
 ## Roadmap
 

app/controllers/active_storage/disk_controller.rb

@@ -24,7 +24,7 @@ def disk_service
     end
 
     def decode_verified_key
-      ActiveStorage::VerifiedKeyWithExpiration.decode(params[:encoded_key])
+      ActiveStorage.verifier.verified(params[:encoded_key])
     end
 
     def disposition_param

app/models/active_storage/service/disk_service.rb

@@ -2,7 +2,6 @@
 require "pathname"
 require "digest/md5"
 require "active_support/core_ext/numeric/bytes"
-require "active_storage/verified_key_with_expiration"
 
 class ActiveStorage::Service::DiskService < ActiveStorage::Service
   attr_reader :root
@@ -54,7 +53,7 @@ def exist?(key)
 
   def url(key, expires_in:, disposition:, filename:)
     instrument :url, key do |payload|
-      verified_key_with_expiration = ActiveStorage::VerifiedKeyWithExpiration.encode(key, expires_in: expires_in)
+      verified_key_with_expiration = ActiveStorage.verifier.generate(key, expires_in: expires_in)
 
       generated_url =
         if defined?(Rails) && defined?(Rails.application)

app/models/active_storage/verified_key_with_expiration.rb

@@ -1,22 +0,0 @@
-class ActiveStorage::VerifiedKeyWithExpiration
-  class << self
-    def encode(key, expires_in: nil)
-      ActiveStorage.verifier.generate([ key, expires_at(expires_in) ])
-    end
-
-    def decode(encoded_key)
-      key, expires_at = ActiveStorage.verifier.verified(encoded_key)
-
-      key if key && fresh?(expires_at)
-    end
-
-    private
-      def expires_at(expires_in)
-        expires_in ? Time.now.utc.advance(seconds: expires_in) : nil
-      end
-
-      def fresh?(expires_at)
-        expires_at.nil? || Time.now.utc < expires_at
-      end
-  end
-end

test/controllers/disk_controller_test.rb

@@ -11,13 +11,13 @@ class ActiveStorage::DiskControllerTest < ActionController::TestCase
   end
 
   test "showing blob inline" do
-    get :show, params: { filename: @blob.filename, encoded_key: ActiveStorage::VerifiedKeyWithExpiration.encode(@blob.key, expires_in: 5.minutes) }
+    get :show, params: { filename: @blob.filename, encoded_key: ActiveStorage.verifier.generate(@blob.key, expires_in: 5.minutes) }
     assert_equal "inline; filename=\"#{@blob.filename}\"", @response.headers["Content-Disposition"]
     assert_equal "text/plain", @response.headers["Content-Type"]
   end
 
   test "sending blob as attachment" do
-    get :show, params: { filename: @blob.filename, encoded_key: ActiveStorage::VerifiedKeyWithExpiration.encode(@blob.key, expires_in: 5.minutes), disposition: :attachment }
+    get :show, params: { filename: @blob.filename, encoded_key: ActiveStorage.verifier.generate(@blob.key, expires_in: 5.minutes), disposition: :attachment }
     assert_equal "attachment; filename=\"#{@blob.filename}\"", @response.headers["Content-Disposition"]
     assert_equal "text/plain", @response.headers["Content-Type"]
   end

test/models/blob_test.rb

@@ -1,6 +1,5 @@
 require "test_helper"
 require "database/setup"
-require "active_storage/verified_key_with_expiration"
 
 class ActiveStorage::BlobTest < ActiveSupport::TestCase
   test "create after upload sets byte size and checksum" do
@@ -36,6 +35,6 @@ class ActiveStorage::BlobTest < ActiveSupport::TestCase
 
   private
     def expected_url_for(blob, disposition: :inline)
-      "/rails/active_storage/disk/#{ActiveStorage::VerifiedKeyWithExpiration.encode(blob.key, expires_in: 5.minutes)}/#{blob.filename}?disposition=#{disposition}"
+      "/rails/active_storage/disk/#{ActiveStorage.verifier.generate(blob.key, expires_in: 5.minutes)}/#{blob.filename}?disposition=#{disposition}"
     end
 end

test/models/verified_key_with_expiration_test.rb

@@ -1,20 +0,0 @@
-require "test_helper"
-require "active_support/core_ext/securerandom"
-require "active_storage/verified_key_with_expiration"
-
-class ActiveStorage::VerifiedKeyWithExpirationTest < ActiveSupport::TestCase
-  FIXTURE_KEY = SecureRandom.base58(24)
-
-  test "without expiration" do
-    encoded_key = ActiveStorage::VerifiedKeyWithExpiration.encode(FIXTURE_KEY)
-    assert_equal FIXTURE_KEY, ActiveStorage::VerifiedKeyWithExpiration.decode(encoded_key)
-  end
-
-  test "with expiration" do
-    encoded_key = ActiveStorage::VerifiedKeyWithExpiration.encode(FIXTURE_KEY, expires_in: 1.minute)
-    assert_equal FIXTURE_KEY, ActiveStorage::VerifiedKeyWithExpiration.decode(encoded_key)
-
-    travel 2.minutes
-    assert_nil ActiveStorage::VerifiedKeyWithExpiration.decode(encoded_key)
-  end
-end