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Switch from unmaintained paperclip to kt-paperclip (#16724) 

* Switch from unmaintained paperclip to kt-paperclip

* Drop some compatibility monkey-patches not required by kt-paperclip

* Drop media spoof check monkey-patching

It's broken with kt-paperclip and hopefully it won't be needed anymore

* Fix regression introduced by paperclip 6.1.0

* Do not rely on pathname to call FastImage

* Add test for ogg vorbis file with cover art

* Add audio/vorbis to the accepted content-types

This seems erroneous as this would be the content-type for a vorbis stream
without an ogg container, but that's what the `marcel` gem outputs, so…

* Restore missing for_as_default method

* Refactor Attachmentable concern and delay Paperclip's content-type spoof check

Check for content-type spoofing *after* setting the extension ourselves, this
fixes a regression with kt-paperclip's validations being more strict than
paperclip 6.0.0 and rejecting some Pleroma uploads because of unknown
extensions.

* Please CodeClimate

* Add audio/vorbis to the unreliable set

It doesn't correspond to a file format and thus has no extension associated.
main
Claire 2021-09-29 23:52:36 +02:00 committed by GitHub
parent 0e4a4db141
commit fc3ae1343d
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16 changed files with 99 additions and 199 deletions
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2
Gemfile
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@ -20,7 +20,7 @@ gem 'dotenv-rails', '~> 2.7'
gem 'aws-sdk-s3', '~> 1.103', require: false
gem 'fog-core', '<= 2.1.0'
gem 'fog-openstack', '~> 0.3', require: false
gem 'paperclip', '~> 6.0'
gem 'kt-paperclip', '~> 7.0'
gem 'blurhash', '~> 0.1'
gem 'active_model_serializers', '~> 0.10'

17
Gemfile.lock
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@ -316,6 +316,12 @@ GEM
activerecord
kaminari-core (= 1.2.1)
kaminari-core (1.2.1)
kt-paperclip (7.0.0)
activemodel (>= 4.2.0)
activesupport (>= 4.2.0)
marcel (~> 1.0.1)
mime-types
terrapin (~> 0.6.0)
launchy (2.5.0)
addressable (~> 2.7)
letter_opener (1.7.0)
@ -351,9 +357,6 @@ GEM
mime-types (3.3.1)
mime-types-data (~> 3.2015)
mime-types-data (3.2020.0512)
mimemagic (0.3.10)
nokogiri (~> 1)
rake
mini_mime (1.1.1)
mini_portile2 (2.6.1)
minitest (5.14.4)
@ -391,12 +394,6 @@ GEM
openssl-signature_algorithm (0.4.0)
orm_adapter (0.5.0)
ox (2.14.5)
paperclip (6.0.0)
activemodel (>= 4.2.0)
activesupport (>= 4.2.0)
mime-types
mimemagic (~> 0.3.0)
terrapin (~> 0.6.0)
parallel (1.21.0)
parallel_tests (3.7.3)
parallel
@ -720,6 +717,7 @@ DEPENDENCIES
json-ld
json-ld-preloaded (~> 3.1)
kaminari (~> 1.2)
kt-paperclip (~> 7.0)
letter_opener (~> 1.7)
letter_opener_web (~> 1.4)
link_header (~> 0.0)
@ -738,7 +736,6 @@ DEPENDENCIES
omniauth-rails_csrf_protection (~> 0.1)
omniauth-saml (~> 1.10)
ox (~> 2.14)
paperclip (~> 6.0)
parallel (~> 1.21)
parallel_tests (~> 3.7)
parslet

2
app/lib/fast_geometry_parser.rb
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@ -2,7 +2,7 @@
class FastGeometryParser
def self.from_file(file)
width, height = FastImage.size(file.path)
width, height = FastImage.size(file)
raise Paperclip::Errors::NotIdentifiedByImageMagickError if width.nil?

2
app/models/account.rb
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@ -62,12 +62,12 @@ class Account < ApplicationRecord
MENTION_RE = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[[:word:]\.\-]+[[:word:]]+)?)/i
URL_PREFIX_RE = /\Ahttp(s?):\/\/[^\/]+/
include Attachmentable
include AccountAssociations
include AccountAvatar
include AccountFinderConcern
include AccountHeader
include AccountInteractions
include Attachmentable
include Paginable
include AccountCounters
include DomainNormalizable

61
app/models/concerns/attachmentable.rb
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@ -15,50 +15,47 @@ module Attachmentable
# those files, it is necessary to use the output of the
# `file` utility instead
INCORRECT_CONTENT_TYPES = %w(
audio/vorbis
video/ogg
video/webm
).freeze
included do
before_post_process :obfuscate_file_name
before_post_process :set_file_extensions
before_post_process :check_image_dimensions
before_post_process :set_file_content_type
def self.has_attached_file(name, options = {}) # rubocop:disable Naming/PredicateName
options = { validate_media_type: false }.merge(options)
super(name, options)
send(:"before_#{name}_post_process") do
attachment = send(name)
check_image_dimension(attachment)
set_file_content_type(attachment)
obfuscate_file_name(attachment)
set_file_extension(attachment)
Paperclip::Validators::MediaTypeSpoofDetectionValidator.new(attributes: [name]).validate(self)
end
end
end
private
def set_file_content_type
self.class.attachment_definitions.each_key do |attachment_name|
attachment = send(attachment_name)
def set_file_content_type(attachment) # rubocop:disable Naming/AccessorMethodName
return if attachment.blank? || attachment.queued_for_write[:original].blank? || !INCORRECT_CONTENT_TYPES.include?(attachment.instance_read(:content_type))
next if attachment.blank? || attachment.queued_for_write[:original].blank? || !INCORRECT_CONTENT_TYPES.include?(attachment.instance_read(:content_type))
attachment.instance_write :content_type, calculated_content_type(attachment)
end
attachment.instance_write :content_type, calculated_content_type(attachment)
end
def set_file_extensions
self.class.attachment_definitions.each_key do |attachment_name|
attachment = send(attachment_name)
def set_file_extension(attachment) # rubocop:disable Naming/AccessorMethodName
return if attachment.blank?
next if attachment.blank?
attachment.instance_write :file_name, [Paperclip::Interpolations.basename(attachment, :original), appropriate_extension(attachment)].delete_if(&:blank?).join('.')
end
attachment.instance_write :file_name, [Paperclip::Interpolations.basename(attachment, :original), appropriate_extension(attachment)].delete_if(&:blank?).join('.')
end
def check_image_dimensions
self.class.attachment_definitions.each_key do |attachment_name|
attachment = send(attachment_name)
def check_image_dimension(attachment)
return if attachment.blank? || !/image.*/.match?(attachment.content_type) || attachment.queued_for_write[:original].blank?
next if attachment.blank? || !/image.*/.match?(attachment.content_type) || attachment.queued_for_write[:original].blank?
width, height = FastImage.size(attachment.queued_for_write[:original].path)
matrix_limit = attachment.content_type == 'image/gif' ? GIF_MATRIX_LIMIT : MAX_MATRIX_LIMIT
width, height = FastImage.size(attachment.queued_for_write[:original].path)
matrix_limit = attachment.content_type == 'image/gif' ? GIF_MATRIX_LIMIT : MAX_MATRIX_LIMIT
raise Mastodon::DimensionsValidationError, "#{width}x#{height} images are not supported" if width.present? && height.present? && (width * height > matrix_limit)
end
raise Mastodon::DimensionsValidationError, "#{width}x#{height} images are not supported" if width.present? && height.present? && (width * height > matrix_limit)
end
def appropriate_extension(attachment)
@ -79,13 +76,9 @@ module Attachmentable
''
end
def obfuscate_file_name
self.class.attachment_definitions.each_key do |attachment_name|
attachment = send(attachment_name)
def obfuscate_file_name(attachment)
return if attachment.blank? || attachment.queued_for_write[:original].blank? || attachment.options[:preserve_files]
next if attachment.blank? || attachment.queued_for_write[:original].blank? || attachment.options[:preserve_files]
attachment.instance_write :file_name, SecureRandom.hex(8) + File.extname(attachment.instance_read(:file_name))
end
attachment.instance_write :file_name, SecureRandom.hex(8) + File.extname(attachment.instance_read(:file_name))
end
end

6
app/models/custom_emoji.rb
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@ -21,6 +21,8 @@
#
class CustomEmoji < ApplicationRecord
include Attachmentable
LIMIT = 50.kilobytes
SHORTCODE_RE_FRAGMENT = '[a-zA-Z0-9_]{2,}'
@ -34,7 +36,7 @@ class CustomEmoji < ApplicationRecord
belongs_to :category, class_name: 'CustomEmojiCategory', optional: true
has_one :local_counterpart, -> { where(domain: nil) }, class_name: 'CustomEmoji', primary_key: :shortcode, foreign_key: :shortcode
has_attached_file :image, styles: { static: { format: 'png', convert_options: '-coalesce -strip' } }
has_attached_file :image, styles: { static: { format: 'png', convert_options: '-coalesce -strip' } }, validate_media_type: false
before_validation :downcase_domain
@ -49,8 +51,6 @@ class CustomEmoji < ApplicationRecord
remotable_attachment :image, LIMIT
include Attachmentable
after_commit :remove_entity_cache
def local?

6
app/models/media_attachment.rb
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@ -31,6 +31,8 @@
class MediaAttachment < ApplicationRecord
self.inheritance_column = nil
include Attachmentable
enum type: [:image, :gifv, :video, :unknown, :audio]
enum processing: [:queued, :in_progress, :complete, :failed], _prefix: true
@ -50,7 +52,7 @@ class MediaAttachment < ApplicationRecord
IMAGE_MIME_TYPES = %w(image/jpeg image/png image/gif).freeze
VIDEO_MIME_TYPES = %w(video/webm video/mp4 video/quicktime video/ogg).freeze
VIDEO_CONVERTIBLE_MIME_TYPES = %w(video/webm video/quicktime).freeze
AUDIO_MIME_TYPES = %w(audio/wave audio/wav audio/x-wav audio/x-pn-wave audio/ogg audio/mpeg audio/mp3 audio/webm audio/flac audio/aac audio/m4a audio/x-m4a audio/mp4 audio/3gpp video/x-ms-asf).freeze
AUDIO_MIME_TYPES = %w(audio/wave audio/wav audio/x-wav audio/x-pn-wave audio/ogg audio/vorbis audio/mpeg audio/mp3 audio/webm audio/flac audio/aac audio/m4a audio/x-m4a audio/mp4 audio/3gpp video/x-ms-asf).freeze
BLURHASH_OPTIONS = {
x_comp: 4,
@ -182,8 +184,6 @@ class MediaAttachment < ApplicationRecord
validates_attachment_size :thumbnail, less_than: IMAGE_LIMIT
remotable_attachment :thumbnail, IMAGE_LIMIT, suppress_errors: true, download_on_assign: false
include Attachmentable
validates :account, presence: true
validates :description, length: { maximum: MAX_DESCRIPTION_LENGTH }, if: :local?
validates :file, presence: true, if: :local?

6
app/models/preview_card.rb
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@ -27,6 +27,8 @@
#
class PreviewCard < ApplicationRecord
include Attachmentable
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
LIMIT = 1.megabytes
@ -41,9 +43,7 @@ class PreviewCard < ApplicationRecord
has_and_belongs_to_many :statuses
has_attached_file :image, processors: [:thumbnail, :blurhash_transcoder], styles: ->(f) { image_styles(f) }, convert_options: { all: '-quality 80 -strip' }
include Attachmentable
has_attached_file :image, processors: [:thumbnail, :blurhash_transcoder], styles: ->(f) { image_styles(f) }, convert_options: { all: '-quality 80 -strip' }, validate_media_type: false
validates :url, presence: true, uniqueness: true
validates_attachment_content_type :image, content_type: IMAGE_MIME_TYPES

3
config/application.rb
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@ -25,11 +25,8 @@ require_relative '../lib/exceptions'
require_relative '../lib/enumerable'
require_relative '../lib/sanitize_ext/sanitize_config'
require_relative '../lib/redis/namespace_extensions'
require_relative '../lib/paperclip/schema_extensions'
require_relative '../lib/paperclip/validation_extensions'
require_relative '../lib/paperclip/url_generator_extensions'
require_relative '../lib/paperclip/attachment_extensions'
require_relative '../lib/paperclip/media_type_spoof_detector_extensions'
require_relative '../lib/paperclip/lazy_thumbnail'
require_relative '../lib/paperclip/gif_transcoder'
require_relative '../lib/paperclip/transcoder'

29
lib/paperclip/attachment_extensions.rb
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@ -6,6 +6,35 @@ module Paperclip
instance_read(:meta)
end
# monkey-patch to avoid unlinking too avoid unlinking source file too early
# see https://github.com/kreeti/kt-paperclip/issues/64
def post_process_style(name, style) #:nodoc:
raise "Style #{name} has no processors defined." if style.processors.blank?
intermediate_files = []
original = @queued_for_write[:original]
# if we're processing the original, close + unlink the source tempfile
intermediate_files << original if name == :original
@queued_for_write[name] = style.processors.
inject(original) do |file, processor|
file = Paperclip.processor(processor).make(file, style.processor_options, self)
intermediate_files << file unless file == original
file
end
unadapted_file = @queued_for_write[name]
@queued_for_write[name] = Paperclip.io_adapters.
for(@queued_for_write[name], @options[:adapter_options])
unadapted_file.close if unadapted_file.respond_to?(:close)
@queued_for_write[name]
rescue Paperclip::Errors::NotIdentifiedByImageMagickError => e
log("An error was received while processing: #{e.inspect}")
(@errors[:processing] ||= []) << e.message if @options[:whiny]
ensure
unlink_files(intermediate_files)
end
# We overwrite this method to support delayed processing in
# Sidekiq. Since we process the original file to reduce disk
# usage, and we still want to generate thumbnails straight

35
lib/paperclip/media_type_spoof_detector_extensions.rb
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@ -1,35 +0,0 @@
# frozen_string_literal: true
module Paperclip
module MediaTypeSpoofDetectorExtensions
def mapping_override_mismatch?
!Array(mapped_content_type).include?(calculated_content_type) && !Array(mapped_content_type).include?(type_from_mime_magic)
end
def calculated_media_type_from_mime_magic
@calculated_media_type_from_mime_magic ||= type_from_mime_magic.split('/').first
end
def calculated_type_mismatch?
!media_types_from_name.include?(calculated_media_type) && !media_types_from_name.include?(calculated_media_type_from_mime_magic)
end
def type_from_mime_magic
@type_from_mime_magic ||= begin
begin
File.open(@file.path) do |file|
MimeMagic.by_magic(file)&.type || ''
end
rescue Errno::ENOENT
''
end
end
end
def type_from_file_command
@type_from_file_command ||= FileCommandContentTypeDetector.new(@file.path).detect
end
end
end
Paperclip::MediaTypeSpoofDetector.prepend(Paperclip::MediaTypeSpoofDetectorExtensions)

37
lib/paperclip/schema_extensions.rb
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@ -1,37 +0,0 @@
# frozen_string_literal: true
# Monkey-patch various Paperclip methods for Ruby 3.0 compatibility
module Paperclip
module Schema
module StatementsExtensions
def add_attachment(table_name, *attachment_names)
raise ArgumentError, 'Please specify attachment name in your add_attachment call in your migration.' if attachment_names.empty?
options = attachment_names.extract_options!
attachment_names.each do |attachment_name|
COLUMNS.each_pair do |column_name, column_type|
column_options = options.merge(options[column_name.to_sym] || {})
add_column(table_name, "#{attachment_name}_#{column_name}", column_type, **column_options)
end
end
end
end
module TableDefinitionExtensions
def attachment(*attachment_names)
options = attachment_names.extract_options!
attachment_names.each do |attachment_name|
COLUMNS.each_pair do |column_name, column_type|
column_options = options.merge(options[column_name.to_sym] || {})
column("#{attachment_name}_#{column_name}", column_type, **column_options)
end
end
end
end
end
end
Paperclip::Schema::Statements.prepend(Paperclip::Schema::StatementsExtensions)
Paperclip::Schema::TableDefinition.prepend(Paperclip::Schema::TableDefinitionExtensions)

10
lib/paperclip/url_generator_extensions.rb
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@ -2,16 +2,6 @@
module Paperclip
module UrlGeneratorExtensions
# Monkey-patch Paperclip to use Addressable::URI's normalization instead
# of the long-deprecated URI.esacpe
def escape_url(url)
if url.respond_to?(:escape)
url.escape
else
Addressable::URI.parse(url).normalize.to_str.gsub(escape_regex) { |m| "%#{m.ord.to_s(16).upcase}" }
end
end
def for_as_default(style_name)
attachment_options[:interpolator].interpolate(default_url, @attachment, style_name)
end

58
lib/paperclip/validation_extensions.rb
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@ -1,58 +0,0 @@
# frozen_string_literal: true
# Monkey-patch various Paperclip validators for Ruby 3.0 compatibility
module Paperclip
module Validators
module AttachmentSizeValidatorExtensions
def validate_each(record, attr_name, _value)
base_attr_name = attr_name
attr_name = "#{attr_name}_file_size".to_sym
value = record.send(:read_attribute_for_validation, attr_name)
if value.present?
options.slice(*Paperclip::Validators::AttachmentSizeValidator::AVAILABLE_CHECKS).each do |option, option_value|
option_value = option_value.call(record) if option_value.is_a?(Proc)
option_value = extract_option_value(option, option_value)
next if value.send(Paperclip::Validators::AttachmentSizeValidator::CHECKS[option], option_value)
error_message_key = options[:in] ? :in_between : option
[attr_name, base_attr_name].each do |error_attr_name|
record.errors.add(error_attr_name, error_message_key, **filtered_options(value).merge(
min: min_value_in_human_size(record),
max: max_value_in_human_size(record),
count: human_size(option_value)
))
end
end
end
end
end
module AttachmentContentTypeValidatorExtensions
def mark_invalid(record, attribute, types)
record.errors.add attribute, :invalid, **options.merge({ types: types.join(', ') })
end
end
module AttachmentPresenceValidatorExtensions
def validate_each(record, attribute, _value)
if record.send("#{attribute}_file_name").blank?
record.errors.add(attribute, :blank, **options)
end
end
end
module AttachmentFileNameValidatorExtensions
def mark_invalid(record, attribute, patterns)
record.errors.add attribute, :invalid, options.merge({ names: patterns.join(', ') })
end
end
end
end
Paperclip::Validators::AttachmentSizeValidator.prepend(Paperclip::Validators::AttachmentSizeValidatorExtensions)
Paperclip::Validators::AttachmentContentTypeValidator.prepend(Paperclip::Validators::AttachmentContentTypeValidatorExtensions)
Paperclip::Validators::AttachmentPresenceValidator.prepend(Paperclip::Validators::AttachmentPresenceValidatorExtensions)
Paperclip::Validators::AttachmentFileNameValidator.prepend(Paperclip::Validators::AttachmentFileNameValidatorExtensions)

BIN
spec/fixtures/files/boop.ogg vendored Normal file
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Binary file not shown.

24
spec/models/media_attachment_spec.rb
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@ -114,6 +114,30 @@ RSpec.describe MediaAttachment, type: :model do
end
end
describe 'ogg with cover art' do
let(:media) { MediaAttachment.create(account: Fabricate(:account), file: attachment_fixture('boop.ogg')) }
it 'detects it as an audio file' do
expect(media.type).to eq 'audio'
end
it 'sets meta for the duration' do
expect(media.file.meta['original']['duration']).to be_within(0.05).of(0.235102)
end
it 'extracts thumbnail' do
expect(media.thumbnail.present?).to eq true
end
it 'extracts colors from thumbnail' do
expect(media.file.meta['colors']['background']).to eq '#3088d4'
end
it 'gives the file a random name' do
expect(media.file_file_name).to_not eq 'boop.ogg'
end
end
describe 'jpeg' do
let(:media) { MediaAttachment.create(account: Fabricate(:account), file: attachment_fixture('attachment.jpg')) }