# frozen_string_literal: true
require 'rails_helper'
require 'file_store/s3_store'
RSpec.describe UploadCreator do
fab!(:user) { Fabricate(:user) }
describe '#create_for' do
describe 'when upload is not an image' do
before do
SiteSetting.authorized_extensions = 'txt|long-FileExtension'
end
let(:filename) { "utf-8.txt" }
let(:file) { file_from_fixtures(filename, "encodings") }
it 'should store the upload with the right extension' do
expect do
UploadCreator.new(file, "utf-8\n.txt").create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('txt')
expect(File.extname(upload.url)).to eq('.txt')
expect(upload.original_filename).to eq('utf-8.txt')
expect(user.user_uploads.count).to eq(1)
expect(upload.user_uploads.count).to eq(1)
user2 = Fabricate(:user)
expect do
UploadCreator.new(file, "utf-8\n.txt").create_for(user2.id)
end.to change { Upload.count }.by(0)
expect(user.user_uploads.count).to eq(1)
expect(user2.user_uploads.count).to eq(1)
expect(upload.user_uploads.count).to eq(2)
end
let(:longextension) { "fake.long-FileExtension" }
let(:file2) { file_from_fixtures(longextension) }
it 'should truncate long extension names' do
expect do
UploadCreator.new(file2, "fake.long-FileExtension").create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('long-FileE')
end
end
describe 'when image is not authorized' do
describe 'when image is for site setting' do
let(:filename) { 'logo.png' }
let(:file) { file_from_fixtures(filename) }
before do
SiteSetting.authorized_extensions = 'jpg'
end
it 'should create the right upload' do
upload = UploadCreator.new(file, filename,
for_site_setting: true
).create_for(Discourse.system_user.id)
expect(upload.persisted?).to eq(true)
expect(upload.original_filename).to eq(filename)
end
end
end
describe 'when image has the wrong extension' do
let(:filename) { "png_as.bin" }
let(:file) { file_from_fixtures(filename) }
it 'should store the upload with the right extension' do
expect do
UploadCreator.new(file, filename,
force_optimize: true,
type: UploadCreator::TYPES_TO_CROP.first
).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('png')
expect(File.extname(upload.url)).to eq('.png')
expect(upload.original_filename).to eq('png_as.png')
end
describe 'for tiff format' do
before do
SiteSetting.authorized_extensions = '.tiff|.bin'
end
let(:filename) { "tiff_as.bin" }
let(:file) { file_from_fixtures(filename) }
it 'should not correct the coerce filename' do
expect do
UploadCreator.new(file, filename).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('bin')
expect(File.extname(upload.url)).to eq('.bin')
expect(upload.original_filename).to eq('tiff_as.bin')
end
end
end
describe 'pngquant' do
let(:filename) { "pngquant.png" }
let(:file) { file_from_fixtures(filename) }
it 'should apply pngquant to optimized images' do
upload = UploadCreator.new(file, filename,
pasted: true,
force_optimize: true
).create_for(user.id)
# no optimisation possible without losing details
expect(upload.filesize).to eq(9558)
thumbnail_size = upload.get_optimized_image(upload.width, upload.height, {}).filesize
# pngquant will lose some colors causing some extra size reduction
expect(thumbnail_size).to be < 7500
end
end
describe 'converting to jpeg' do
def image_quality(path)
local_path = File.join(Rails.root, 'public', path)
Discourse::Utils.execute_command("identify", "-format", "%Q", local_path).to_i
end
let(:filename) { "should_be_jpeg.png" }
let(:file) { file_from_fixtures(filename) }
let(:small_filename) { "logo.png" }
let(:small_file) { file_from_fixtures(small_filename) }
let(:large_filename) { "large_and_unoptimized.png" }
let(:large_file) { file_from_fixtures(large_filename) }
let(:animated_filename) { "animated.gif" }
let(:animated_file) { file_from_fixtures(animated_filename) }
let(:animated_webp_filename) { "animated.webp" }
let(:animated_webp_file) { file_from_fixtures(animated_webp_filename) }
before do
SiteSetting.png_to_jpg_quality = 1
end
it 'should not store file as jpeg if it does not meet absolute byte saving requirements' do
# logo.png is 2297 bytes, converting to jpeg saves 30% but does not meet
# the absolute savings required of 25_000 bytes, if you save less than that
# skip this
expect do
UploadCreator.new(small_file, small_filename,
pasted: true,
force_optimize: true
).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('png')
expect(File.extname(upload.url)).to eq('.png')
expect(upload.original_filename).to eq('logo.png')
end
it 'should store the upload with the right extension' do
expect do
UploadCreator.new(file, filename,
pasted: true,
force_optimize: true
).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('jpeg')
expect(File.extname(upload.url)).to eq('.jpeg')
expect(upload.original_filename).to eq('should_be_jpeg.jpg')
end
it "should not convert to jpeg when the image is uploaded from site setting" do
upload = UploadCreator.new(large_file, large_filename, for_site_setting: true, force_optimize: true).create_for(user.id)
expect(upload.extension).to eq('png')
expect(File.extname(upload.url)).to eq('.png')
expect(upload.original_filename).to eq('large_and_unoptimized.png')
end
context "jpeg image quality settings" do
before do
SiteSetting.png_to_jpg_quality = 75
SiteSetting.recompress_original_jpg_quality = 40
SiteSetting.image_preview_jpg_quality = 10
end
it 'should alter the image quality' do
upload = UploadCreator.new(file, filename, force_optimize: true).create_for(user.id)
expect(image_quality(upload.url)).to eq(SiteSetting.recompress_original_jpg_quality)
upload.create_thumbnail!(100, 100)
upload.reload
expect(image_quality(upload.optimized_images.first.url)).to eq(SiteSetting.image_preview_jpg_quality)
end
it 'should not convert animated images' do
expect do
UploadCreator.new(animated_file, animated_filename,
force_optimize: true
).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('gif')
expect(File.extname(upload.url)).to eq('.gif')
expect(upload.original_filename).to eq('animated.gif')
end
context "png image quality settings" do
before do
SiteSetting.png_to_jpg_quality = 100
SiteSetting.recompress_original_jpg_quality = 90
SiteSetting.image_preview_jpg_quality = 10
end
it "should not convert to jpeg when png_to_jpg_quality is 100" do
upload = UploadCreator.new(large_file, large_filename, force_optimize: true).create_for(user.id)
expect(upload.extension).to eq('png')
expect(File.extname(upload.url)).to eq('.png')
expect(upload.original_filename).to eq('large_and_unoptimized.png')
end
end
it 'should not convert animated WEBP images' do
expect do
UploadCreator.new(animated_webp_file, animated_webp_filename,
force_optimize: true
).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('webp')
expect(File.extname(upload.url)).to eq('.webp')
expect(upload.original_filename).to eq('animated.webp')
end
end
end
describe 'converting HEIF to jpeg' do
let(:filename) { "should_be_jpeg.heic" }
let(:file) { file_from_fixtures(filename, "images") }
it 'should store the upload with the right extension' do
expect do
UploadCreator.new(file, filename).create_for(user.id)
end.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.extension).to eq('jpeg')
expect(File.extname(upload.url)).to eq('.jpeg')
expect(upload.original_filename).to eq('should_be_jpeg.jpg')
end
end
describe 'secure attachments' do
let(:filename) { "small.pdf" }
let(:file) { file_from_fixtures(filename, "pdf") }
let(:opts) { { type: "composer" } }
before do
setup_s3
stub_s3_store
SiteSetting.secure_media = true
SiteSetting.authorized_extensions = 'pdf|svg|jpg'
end
it 'should mark attachments as secure' do
upload = UploadCreator.new(file, filename, opts).create_for(user.id)
stored_upload = Upload.last
expect(stored_upload.secure?).to eq(true)
end
it 'should not mark theme uploads as secure' do
fname = "custom-theme-icon-sprite.svg"
upload = UploadCreator.new(file_from_fixtures(fname), fname, for_theme: true).create_for(-1)
expect(upload.secure?).to eq(false)
end
end
context 'uploading to s3' do
let(:filename) { "should_be_jpeg.png" }
let(:file) { file_from_fixtures(filename) }
let(:pdf_filename) { "small.pdf" }
let(:pdf_file) { file_from_fixtures(pdf_filename, "pdf") }
let(:opts) { { type: "composer" } }
before do
setup_s3
stub_s3_store
end
it 'should store the file and return etag' do
expect {
UploadCreator.new(file, filename).create_for(user.id)
}.to change { Upload.count }.by(1)
upload = Upload.last
expect(upload.etag).to eq('ETag')
end
it 'should return signed URL for secure attachments in S3' do
SiteSetting.authorized_extensions = 'pdf'
SiteSetting.secure_media = true
upload = UploadCreator.new(pdf_file, pdf_filename, opts).create_for(user.id)
stored_upload = Upload.last
signed_url = Discourse.store.url_for(stored_upload)
expect(stored_upload.secure?).to eq(true)
expect(stored_upload.url).not_to eq(signed_url)
expect(signed_url).to match(/Amz-Credential/)
end
end
context "when the upload already exists based on the sha1" do
let(:filename) { "small.pdf" }
let(:file) { file_from_fixtures(filename, "pdf") }
let!(:existing_upload) { Fabricate(:upload, sha1: Upload.generate_digest(file)) }
let(:result) { UploadCreator.new(file, filename).create_for(user.id) }
it "returns the existing upload" do
expect(result).to eq(existing_upload)
end
it "does not set an original_sha1 normally" do
expect(result.original_sha1).to eq(nil)
end
it "creates a userupload record" do
result
expect(UserUpload.exists?(user_id: user.id, upload_id: existing_upload.id)).to eq(true)
end
context "when the existing upload URL is blank (it has failed)" do
before do
existing_upload.update(url: '')
end
it "destroys the existing upload" do
result
expect(Upload.find_by(id: existing_upload.id)).to eq(nil)
end
end
context "when SiteSetting.secure_media is enabled" do
before do
setup_s3
stub_s3_store
SiteSetting.secure_media = true
end
it "does not return the existing upload, as duplicate uploads are allowed" do
expect(result).not_to eq(existing_upload)
end
end
end
context "secure media functionality" do
let(:filename) { "logo.jpg" }
let(:file) { file_from_fixtures(filename) }
let(:opts) { {} }
let(:result) { UploadCreator.new(file, filename, opts).create_for(user.id) }
context "when SiteSetting.secure_media enabled" do
before do
setup_s3
stub_s3_store
SiteSetting.secure_media = true
end
it "sets an original_sha1 on the upload created because the sha1 column is securerandom in this case" do
expect(result.original_sha1).not_to eq(nil)
end
context "when uploading in a public context (theme, site setting, avatar, custom_emoji, profile_background, card_background)" do
def expect_no_public_context_uploads_to_be_secure
upload = UploadCreator.new(file_from_fixtures(filename), filename, for_site_setting: true).create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
upload = UploadCreator.new(file_from_fixtures(filename), filename, for_gravatar: true).create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
upload = UploadCreator.new(file_from_fixtures(filename), filename, for_theme: true).create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
upload = UploadCreator.new(file_from_fixtures(filename), filename, type: "avatar").create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
upload = UploadCreator.new(file_from_fixtures(filename), filename, type: "custom_emoji").create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
upload = UploadCreator.new(file_from_fixtures(filename), filename, type: "profile_background").create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
upload = UploadCreator.new(file_from_fixtures(filename), filename, type: "card_background").create_for(user.id)
expect(upload.secure).to eq(false)
upload.destroy!
end
it "does not set the upload to secure" do
expect_no_public_context_uploads_to_be_secure
end
context "when login required" do
before do
SiteSetting.login_required = true
end
it "does not set the upload to secure" do
expect_no_public_context_uploads_to_be_secure
end
end
end
context "if type of upload is in the composer" do
let(:opts) { { type: "composer" } }
it "sets the upload to secure and sets the original_sha1 column, because we don't know the context of the composer" do
expect(result.secure).to eq(true)
expect(result.original_sha1).not_to eq(nil)
end
end
context "if the upload is for a PM" do
let(:opts) { { for_private_message: true } }
it "sets the upload to secure and sets the original_sha1" do
expect(result.secure).to eq(true)
expect(result.original_sha1).not_to eq(nil)
end
end
context "if the upload is for a group message" do
let(:opts) { { for_group_message: true } }
it "sets the upload to secure and sets the original_sha1" do
expect(result.secure).to eq(true)
expect(result.original_sha1).not_to eq(nil)
end
end
context "if SiteSetting.login_required" do
before do
SiteSetting.login_required = true
end
it "sets the upload to secure and sets the original_sha1" do
expect(result.secure).to eq(true)
expect(result.original_sha1).not_to eq(nil)
end
end
end
end
context 'custom emojis' do
let(:animated_filename) { "animated.gif" }
let(:animated_file) { file_from_fixtures(animated_filename) }
it 'should not be cropped if animated' do
upload = UploadCreator.new(animated_file, animated_filename,
force_optimize: true,
type: 'custom_emoji'
).create_for(user.id)
expect(upload.animated).to eq(true)
expect(FastImage.size(Discourse.store.path_for(upload))).to eq([320, 320])
end
end
describe 'skip validations' do
let(:filename) { "small.pdf" }
let(:file) { file_from_fixtures(filename, "pdf") }
before do
SiteSetting.authorized_extensions = 'png|jpg'
end
it 'creates upload when skip_validations is true' do
upload = UploadCreator.new(file, filename,
skip_validations: true
).create_for(user.id)
expect(upload.persisted?).to eq(true)
expect(upload.original_filename).to eq(filename)
end
it 'does not create upload when skip_validations is false' do
upload = UploadCreator.new(file, filename,
skip_validations: false
).create_for(user.id)
expect(upload.persisted?).to eq(false)
end
end
end
describe '#clean_svg!' do
let(:b64) do
Base64.encode64('')
end
let(:file) do
file = Tempfile.new
file.write(<<~XML)
XML
file.rewind
file
end
it 'removes event handlers' do
begin
UploadCreator.new(file, 'file.svg').clean_svg!
file_content = file.read
expect(file_content).not_to include('onload')
expect(file_content).to include('#pathdef')
expect(file_content).not_to include('evil.svg')
expect(file_content).not_to include(b64)
ensure
file.unlink
end
end
end
describe "svg sizes expressed in units other than pixels" do
let(:tiny_svg_filename) { "tiny.svg" }
let(:tiny_svg_file) { file_from_fixtures(tiny_svg_filename) }
let(:massive_svg_filename) { "massive.svg" }
let(:massive_svg_file) { file_from_fixtures(massive_svg_filename) }
let(:zero_sized_svg_filename) { "zero_sized.svg" }
let(:zero_sized_svg_file) { file_from_fixtures(zero_sized_svg_filename) }
it "should be viewable when a dimension is a fraction of a unit" do
upload = UploadCreator.new(tiny_svg_file, tiny_svg_filename,
force_optimize: true,
).create_for(user.id)
expect(upload.width).to be > 50
expect(upload.height).to be > 50
expect(upload.thumbnail_width).to be <= SiteSetting.max_image_width
expect(upload.thumbnail_height).to be <= SiteSetting.max_image_height
end
it "should not be larger than the maximum thumbnail size" do
upload = UploadCreator.new(massive_svg_file, massive_svg_filename,
force_optimize: true,
).create_for(user.id)
expect(upload.width).to be > 50
expect(upload.height).to be > 50
expect(upload.thumbnail_width).to be <= SiteSetting.max_image_width
expect(upload.thumbnail_height).to be <= SiteSetting.max_image_height
end
it "should handle zero dimension files" do
upload = UploadCreator.new(zero_sized_svg_file, zero_sized_svg_filename,
force_optimize: true,
).create_for(user.id)
expect(upload.width).to be > 50
expect(upload.height).to be > 50
expect(upload.thumbnail_width).to be <= SiteSetting.max_image_width
expect(upload.thumbnail_height).to be <= SiteSetting.max_image_height
end
end
describe '#should_downsize?' do
context "GIF image" do
let(:gif_file) { file_from_fixtures("animated.gif") }
before do
SiteSetting.max_image_size_kb = 1
end
it "is not downsized" do
creator = UploadCreator.new(gif_file, "animated.gif")
creator.extract_image_info!
expect(creator.should_downsize?).to eq(false)
end
end
end
describe 'before_upload_creation event' do
let(:filename) { "logo.jpg" }
let(:file) { file_from_fixtures(filename) }
before do
setup_s3
stub_s3_store
end
it 'does not save the upload if an event added errors to the upload' do
error = 'This upload is invalid'
event = Proc.new do |file, is_image, upload|
upload.errors.add(:base, error)
end
DiscourseEvent.on(:before_upload_creation, &event)
created_upload = UploadCreator.new(file, filename).create_for(user.id)
expect(created_upload.persisted?).to eq(false)
expect(created_upload.errors).to contain_exactly(error)
DiscourseEvent.off(:before_upload_creation, &event)
end
end
end