Revert fog-aws (ref #5604) (#5934)

Gemfile

@@ -14,7 +14,7 @@ gem 'pg', '~> 0.20'
 gem 'pghero', '~> 1.7'
 gem 'dotenv-rails', '~> 2.2'
 
-gem 'fog-aws', '~> 1.4', require: false
+gem 'aws-sdk', '~> 2.10', require: false
 gem 'fog-core', '~> 1.45'
 gem 'fog-local', '~> 0.4', require: false
 gem 'fog-openstack', '~> 0.1', require: false

Gemfile.lock

@@ -57,6 +57,14 @@ GEM
       encryptor (~> 3.0.0)
     av (0.9.0)
       cocaine (~> 0.5.3)
+    aws-sdk (2.10.100)
+      aws-sdk-resources (= 2.10.100)
+    aws-sdk-core (2.10.100)
+      aws-sigv4 (~> 1.0)
+      jmespath (~> 1.0)
+    aws-sdk-resources (2.10.100)
+      aws-sdk-core (= 2.10.100)
+    aws-sigv4 (1.0.2)
     bcrypt (3.1.11)
     better_errors (2.4.0)
       coderay (>= 1.0.0)
@@ -152,11 +160,6 @@ GEM
       i18n (~> 0.5)
     fast_blank (1.0.0)
     ffi (1.9.18)
-    fog-aws (1.4.1)
-      fog-core (~> 1.38)
-      fog-json (~> 1.0)
-      fog-xml (~> 0.1)
-      ipaddress (~> 0.8)
     fog-core (1.45.0)
       builder
       excon (~> 0.58)
@@ -170,9 +173,6 @@ GEM
       fog-core (>= 1.40)
       fog-json (>= 1.0)
       ipaddress (>= 0.8)
-    fog-xml (0.1.3)
-      fog-core
-      nokogiri (>= 1.5.11, < 2.0.0)
     formatador (0.2.5)
     fuubar (2.2.0)
       rspec-core (~> 3.0)
@@ -228,6 +228,7 @@ GEM
     idn-ruby (0.1.0)
     ipaddress (0.8.3)
     iso-639 (0.2.8)
+    jmespath (1.3.1)
     json (2.1.0)
     json-ld (2.1.7)
       multi_json (~> 1.12)
@@ -544,6 +545,7 @@ DEPENDENCIES
   active_record_query_trace (~> 1.5)
   addressable (~> 2.5)
   annotate (~> 2.7)
+  aws-sdk (~> 2.10)
   better_errors (~> 2.4)
   binding_of_caller (~> 0.7)
   bootsnap
@@ -566,7 +568,6 @@ DEPENDENCIES
   fabrication (~> 2.18)
   faker (~> 1.7)
   fast_blank (~> 1.0)
-  fog-aws (~> 1.4)
   fog-core (~> 1.45)
   fog-local (~> 0.4)
   fog-openstack (~> 0.1)

config/initializers/paperclip.rb

@@ -14,40 +14,45 @@ Paperclip::Attachment.default_options.merge!(
 )
 
 if ENV['S3_ENABLED'] == 'true'
-  require 'fog/aws'
+  require 'aws-sdk'
+  Aws.eager_autoload!(services: %w(S3))
 
+  s3_region   = ENV.fetch('S3_REGION')   { 'us-east-1' }
   s3_protocol = ENV.fetch('S3_PROTOCOL') { 'https' }
-  s3_hostname           = ENV.fetch('S3_HOSTNAME') { "s3-#{ENV['S3_REGION']}.amazonaws.com" }
-  aws_signature_version = ENV['S3_SIGNATURE_VERSION'] == 's3' ? 2 : ENV['S3_SIGNATURE_VERSION'].to_i
-  aws_signature_version = 4 if aws_signature_version.zero?
+  s3_hostname = ENV.fetch('S3_HOSTNAME') { "s3-#{s3_region}}.amazonaws.com" }
 
   Paperclip::Attachment.default_options.merge!(
-    fog_credentials: {
-      provider: 'AWS',
-      aws_access_key_id: ENV['AWS_ACCESS_KEY_ID'],
-      aws_secret_access_key: ENV['AWS_SECRET_ACCESS_KEY'],
-      aws_signature_version: aws_signature_version,
-      region: ENV.fetch('S3_REGION') { 'us-east-1' },
-      scheme: s3_protocol,
-      host: s3_hostname
+    storage: :s3,
+    s3_protocol: s3_protocol,
+    s3_host_name: s3_hostname,
+    s3_headers: {
+      'Cache-Control' => 'max-age=315576000',
     },
-    fog_directory: ENV['S3_BUCKET'],
-    fog_options: {
-      acl: ENV.fetch('S3_PERMISSION') { 'public-read' },
-      cache_control: 'max-age=315576000',
+    s3_permissions: ENV.fetch('S3_PERMISSION') { 'public-read' },
+    s3_region: s3_region,
+    s3_credentials: {
+      bucket: ENV['S3_BUCKET'],
+      access_key_id: ENV['AWS_ACCESS_KEY_ID'],
+      secret_access_key: ENV['AWS_SECRET_ACCESS_KEY'],
+    },
+    s3_options: {
+      signature_version: ENV.fetch('S3_SIGNATURE_VERSION') { 'v4' },
     }
   )
 
   if ENV.has_key?('S3_ENDPOINT')
-    Paperclip::Attachment.default_options[:fog_credentials].merge!(
+    Paperclip::Attachment.default_options[:s3_options].merge!(
       endpoint: ENV['S3_ENDPOINT'],
-      path_style: true
+      force_path_style: true
     )
-    Paperclip::Attachment.default_options[:fog_host] = "#{s3_protocol}://#{s3_hostname}/#{ENV['S3_BUCKET']}"
+    Paperclip::Attachment.default_options[:url] = ':s3_path_url'
   end
 
   if ENV.has_key?('S3_CLOUDFRONT_HOST')
-    Paperclip::Attachment.default_options[:fog_host] = "#{s3_protocol}://#{ENV['S3_CLOUDFRONT_HOST']}"
+    Paperclip::Attachment.default_options.merge!(
+      url: ':s3_alias_url',
+      s3_host_alias: ENV['S3_CLOUDFRONT_HOST']
+    )
   end
 elsif ENV['SWIFT_ENABLED'] == 'true'
   require 'fog/openstack'