301 lines
8.1 KiB
Ruby
301 lines
8.1 KiB
Ruby
require 'rails_helper'
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describe OptimizedImage do
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let(:upload) { build(:upload) }
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before { upload.id = 42 }
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unless ENV["TRAVIS"]
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describe '.crop' do
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it 'should work correctly' do
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tmp_path = "/tmp/cropped.png"
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begin
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OptimizedImage.crop(
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"#{Rails.root}/spec/fixtures/images/logo.png",
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tmp_path,
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5,
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5
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)
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expect(File.read(tmp_path)).to eq(
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File.read("#{Rails.root}/spec/fixtures/images/cropped.png")
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)
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ensure
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File.delete(tmp_path) if File.exists?(tmp_path)
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end
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end
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end
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describe '.resize' do
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it 'should work correctly when extension is bad' do
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original_path = Dir::Tmpname.create(['origin', '.bin']) { nil }
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begin
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FileUtils.cp "#{Rails.root}/spec/fixtures/images/logo.png", original_path
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# we use "filename" to get the correct extension here, it is more important
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# then any other param
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OptimizedImage.resize(
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original_path,
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original_path,
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5,
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5,
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filename: "test.png"
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)
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expect(File.read(original_path)).to eq(
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File.read("#{Rails.root}/spec/fixtures/images/resized.png")
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)
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ensure
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File.delete(original_path) if File.exists?(original_path)
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end
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end
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it 'should work correctly' do
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file = File.open("#{Rails.root}/spec/fixtures/images/resized.png")
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upload = UploadCreator.new(file, "test.bin").create_for(-1)
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expect(upload.filesize).to eq(199)
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expect(upload.width).to eq(5)
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expect(upload.height).to eq(5)
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upload.create_thumbnail!(10, 10)
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thumb = upload.thumbnail(10, 10)
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expect(thumb.width).to eq(10)
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expect(thumb.height).to eq(10)
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# very image magic specific so fudge here
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expect(thumb.filesize).to be > 200
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# this size is based off original upload
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# it is the size we render, by default, in the post
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expect(upload.thumbnail_width).to eq(5)
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expect(upload.thumbnail_height).to eq(5)
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# lets ensure we can rebuild the filesize
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thumb.update_columns(filesize: nil)
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thumb = OptimizedImage.find(thumb.id)
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# attempts to auto correct
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expect(thumb.filesize).to be > 200
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end
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describe 'when an svg with a href is masked as a png' do
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it 'should not trigger the external request' do
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tmp_path = "/tmp/resized.png"
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begin
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expect do
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OptimizedImage.resize(
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"#{Rails.root}/spec/fixtures/images/svg.png",
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tmp_path,
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5,
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5,
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raise_on_error: true
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)
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end.to raise_error(RuntimeError, /improper image header/)
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ensure
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File.delete(tmp_path) if File.exists?(tmp_path)
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end
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end
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end
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end
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describe '.downsize' do
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it 'should work correctly' do
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tmp_path = "/tmp/downsized.png"
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begin
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OptimizedImage.downsize(
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"#{Rails.root}/spec/fixtures/images/logo.png",
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tmp_path,
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"100x100\>"
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)
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expect(File.read(tmp_path)).to eq(
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File.read("#{Rails.root}/spec/fixtures/images/downsized.png")
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)
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ensure
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File.delete(tmp_path) if File.exists?(tmp_path)
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end
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end
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end
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end
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describe ".safe_path?" do
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it "correctly detects unsafe paths" do
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expect(OptimizedImage.safe_path?("/path/A-AA/22_00.TIFF")).to eq(true)
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expect(OptimizedImage.safe_path?("/path/AAA/2200.TIFF")).to eq(true)
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expect(OptimizedImage.safe_path?("/tmp/a.png")).to eq(true)
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expect(OptimizedImage.safe_path?("../a.png")).to eq(false)
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expect(OptimizedImage.safe_path?("/tmp/a.png\\test")).to eq(false)
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expect(OptimizedImage.safe_path?("/tmp/a.png\\test")).to eq(false)
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expect(OptimizedImage.safe_path?("/path/\u1000.png")).to eq(false)
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expect(OptimizedImage.safe_path?("/path/x.png\n")).to eq(false)
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expect(OptimizedImage.safe_path?("/path/x.png\ny.png")).to eq(false)
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expect(OptimizedImage.safe_path?("/path/x.png y.png")).to eq(false)
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expect(OptimizedImage.safe_path?(nil)).to eq(false)
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end
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end
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describe "ensure_safe_paths!" do
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it "raises nothing on safe paths" do
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expect {
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OptimizedImage.ensure_safe_paths!("/a.png", "/b.png")
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}.not_to raise_error
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end
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it "raises InvalidAccess error on paths" do
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expect {
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OptimizedImage.ensure_safe_paths!("/a.png", "/b.png", "c.png")
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}.to raise_error(Discourse::InvalidAccess)
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end
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end
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describe ".local?" do
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def local(url)
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OptimizedImage.new(url: url).local?
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end
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it "correctly detects local vs remote" do
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expect(local("//hello")).to eq(false)
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expect(local("http://hello")).to eq(false)
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expect(local("https://hello")).to eq(false)
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expect(local("https://hello")).to eq(false)
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expect(local("/hello")).to eq(true)
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end
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end
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describe ".create_for" do
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context "when using an internal store" do
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let(:store) { FakeInternalStore.new }
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before { Discourse.stubs(:store).returns(store) }
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context "when an error happened while generating the thumbnail" do
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it "returns nil" do
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OptimizedImage.expects(:resize).returns(false)
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expect(OptimizedImage.create_for(upload, 100, 200)).to eq(nil)
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end
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end
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context "when the thumbnail is properly generated" do
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before do
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OptimizedImage.expects(:resize).returns(true)
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end
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it "does not download a copy of the original image" do
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store.expects(:download).never
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OptimizedImage.create_for(upload, 100, 200)
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end
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it "closes and removes the tempfile" do
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Tempfile.any_instance.expects(:close!)
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OptimizedImage.create_for(upload, 100, 200)
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end
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it "works" do
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oi = OptimizedImage.create_for(upload, 100, 200)
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expect(oi.sha1).to eq("da39a3ee5e6b4b0d3255bfef95601890afd80709")
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expect(oi.extension).to eq(".png")
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expect(oi.width).to eq(100)
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expect(oi.height).to eq(200)
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expect(oi.url).to eq("/internally/stored/optimized/image.png")
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end
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end
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end
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describe "external store" do
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let(:store) { FakeExternalStore.new }
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before { Discourse.stubs(:store).returns(store) }
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context "when an error happened while generatign the thumbnail" do
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it "returns nil" do
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OptimizedImage.expects(:resize).returns(false)
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expect(OptimizedImage.create_for(upload, 100, 200)).to eq(nil)
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end
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end
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context "when the thumbnail is properly generated" do
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before do
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OptimizedImage.expects(:resize).returns(true)
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end
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it "downloads a copy of the original image" do
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Tempfile.any_instance.expects(:close!)
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store.expects(:download).with(upload).returns(Tempfile.new(["discourse-external", ".png"]))
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OptimizedImage.create_for(upload, 100, 200)
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end
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it "works" do
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oi = OptimizedImage.create_for(upload, 100, 200)
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expect(oi.sha1).to eq("da39a3ee5e6b4b0d3255bfef95601890afd80709")
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expect(oi.extension).to eq(".png")
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expect(oi.width).to eq(100)
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expect(oi.height).to eq(200)
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expect(oi.url).to eq("/externally/stored/optimized/image.png")
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end
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end
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end
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end
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end
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class FakeInternalStore
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def external?
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false
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end
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def path_for(upload)
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upload.url
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end
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def store_optimized_image(file, optimized_image)
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"/internally/stored/optimized/image#{optimized_image.extension}"
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end
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end
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class FakeExternalStore
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def path_for(upload)
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nil
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end
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def external?
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true
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end
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def store_optimized_image(file, optimized_image)
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"/externally/stored/optimized/image#{optimized_image.extension}"
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end
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def download(upload)
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extension = File.extname(upload.original_filename)
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Tempfile.new(["discourse-s3", extension])
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end
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end
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