discourse/spec/lib/upload_creator_spec.rb

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# 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'
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
end
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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 webp format' do
before do
SiteSetting.authorized_extensions = '.webp|.bin'
end
let(:filename) { "webp_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('webp_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
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) }
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
end
describe 'secure attachments' do
let(:filename) { "small.pdf" }
let(:file) { file_from_fixtures(filename, "pdf") }
before do
SiteSetting.prevent_anons_from_downloading_files = true
SiteSetting.authorized_extensions = 'pdf|svg|jpg'
end
it 'should mark attachments as secure' do
upload = UploadCreator.new(file, filename).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
it 'should not apply prevent_anons_from_downloading_files to image uploads' do
fname = "logo.jpg"
upload = UploadCreator.new(file_from_fixtures(fname), fname).create_for(user.id)
stored_upload = Upload.last
expect(stored_upload.original_filename).to eq(fname)
expect(stored_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") }
before do
SiteSetting.s3_upload_bucket = "s3-upload-bucket"
SiteSetting.s3_access_key_id = "s3-access-key-id"
SiteSetting.s3_secret_access_key = "s3-secret-access-key"
SiteSetting.s3_region = 'us-west-1'
SiteSetting.enable_s3_uploads = true
store = FileStore::S3Store.new
s3_helper = store.instance_variable_get(:@s3_helper)
client = Aws::S3::Client.new(stub_responses: true)
s3_helper.stubs(:s3_client).returns(client)
Discourse.stubs(:store).returns(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.prevent_anons_from_downloading_files = true
SiteSetting.authorized_extensions = 'pdf'
upload = UploadCreator.new(pdf_file, pdf_filename).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
end
end