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package main
import (
"context"
"encoding/base64"
"fmt"
"net/http"
"net/url"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
)
type ProcessingOptionsTestSuite struct{ MainTestSuite }
func (s *ProcessingOptionsTestSuite) getRequest(url string) *http.Request {
req, _ := http.NewRequest("GET", url, nil)
return req
}
func (s *ProcessingOptionsTestSuite) TestParseBase64URL() {
imageURL := "http://images.dev/lorem/ipsum.jpg?param=value"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/%s.png", base64.RawURLEncoding.EncodeToString([]byte(imageURL))))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), imageURL, getImageURL(ctx))
assert.Equal(s.T(), imageTypePNG, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParseBase64URLWithoutExtension() {
imageURL := "http://images.dev/lorem/ipsum.jpg?param=value"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/%s", base64.RawURLEncoding.EncodeToString([]byte(imageURL))))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), imageURL, getImageURL(ctx))
assert.Equal(s.T(), imageTypeUnknown, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParseBase64URLWithBase() {
conf.BaseURL = "http://images.dev/"
imageURL := "lorem/ipsum.jpg?param=value"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/%s.png", base64.RawURLEncoding.EncodeToString([]byte(imageURL))))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), fmt.Sprintf("%s%s", conf.BaseURL, imageURL), getImageURL(ctx))
assert.Equal(s.T(), imageTypePNG, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePlainURL() {
imageURL := "http://images.dev/lorem/ipsum.jpg"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/plain/%s@png", imageURL))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), imageURL, getImageURL(ctx))
assert.Equal(s.T(), imageTypePNG, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePlainURLWithoutExtension() {
imageURL := "http://images.dev/lorem/ipsum.jpg"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/plain/%s", imageURL))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), imageURL, getImageURL(ctx))
assert.Equal(s.T(), imageTypeUnknown, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePlainURLEscaped() {
imageURL := "http://images.dev/lorem/ipsum.jpg?param=value"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/plain/%s@png", url.PathEscape(imageURL)))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), imageURL, getImageURL(ctx))
assert.Equal(s.T(), imageTypePNG, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePlainURLWithBase() {
conf.BaseURL = "http://images.dev/"
imageURL := "lorem/ipsum.jpg"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/plain/%s@png", imageURL))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), fmt.Sprintf("%s%s", conf.BaseURL, imageURL), getImageURL(ctx))
assert.Equal(s.T(), imageTypePNG, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePlainURLEscapedWithBase() {
conf.BaseURL = "http://images.dev/"
imageURL := "lorem/ipsum.jpg?param=value"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/size:100:100/plain/%s@png", url.PathEscape(imageURL)))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
assert.Equal(s.T(), fmt.Sprintf("%s%s", conf.BaseURL, imageURL), getImageURL(ctx))
assert.Equal(s.T(), imageTypePNG, getProcessingOptions(ctx).Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePathBasic() {
req := s.getRequest("http://example.com/unsafe/fill/100/200/noea/1/plain/http://images.dev/lorem/ipsum.jpg@png")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), resizeFill, po.ResizingType)
assert.Equal(s.T(), 100, po.Width)
assert.Equal(s.T(), 200, po.Height)
assert.Equal(s.T(), gravityNorthEast, po.Gravity.Type)
assert.True(s.T(), po.Enlarge)
assert.Equal(s.T(), imageTypePNG, po.Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedFormat() {
req := s.getRequest("http://example.com/unsafe/format:webp/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), imageTypeWEBP, po.Format)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedResize() {
req := s.getRequest("http://example.com/unsafe/resize:fill:100:200:1/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), resizeFill, po.ResizingType)
assert.Equal(s.T(), 100, po.Width)
assert.Equal(s.T(), 200, po.Height)
assert.True(s.T(), po.Enlarge)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedResizingType() {
req := s.getRequest("http://example.com/unsafe/resizing_type:fill/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), resizeFill, po.ResizingType)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedSize() {
req := s.getRequest("http://example.com/unsafe/size:100:200:1/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 100, po.Width)
assert.Equal(s.T(), 200, po.Height)
assert.True(s.T(), po.Enlarge)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedWidth() {
req := s.getRequest("http://example.com/unsafe/width:100/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 100, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedHeight() {
req := s.getRequest("http://example.com/unsafe/height:100/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 100, po.Height)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedEnlarge() {
req := s.getRequest("http://example.com/unsafe/enlarge:1/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.True(s.T(), po.Enlarge)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedGravity() {
req := s.getRequest("http://example.com/unsafe/gravity:soea/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), gravitySouthEast, po.Gravity.Type)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedGravityFocuspoint() {
req := s.getRequest("http://example.com/unsafe/gravity:fp:0.5:0.75/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), gravityFocusPoint, po.Gravity.Type)
assert.Equal(s.T(), 0.5, po.Gravity.X)
assert.Equal(s.T(), 0.75, po.Gravity.Y)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedQuality() {
req := s.getRequest("http://example.com/unsafe/quality:55/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 55, po.Quality)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedBackground() {
req := s.getRequest("http://example.com/unsafe/background:128:129:130/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.True(s.T(), po.Flatten)
assert.Equal(s.T(), uint8(128), po.Background.R)
assert.Equal(s.T(), uint8(129), po.Background.G)
assert.Equal(s.T(), uint8(130), po.Background.B)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedBackgroundHex() {
req := s.getRequest("http://example.com/unsafe/background:ffddee/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.True(s.T(), po.Flatten)
assert.Equal(s.T(), uint8(0xff), po.Background.R)
assert.Equal(s.T(), uint8(0xdd), po.Background.G)
assert.Equal(s.T(), uint8(0xee), po.Background.B)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedBackgroundDisable() {
req := s.getRequest("http://example.com/unsafe/background:fff/background:/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.False(s.T(), po.Flatten)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedBlur() {
req := s.getRequest("http://example.com/unsafe/blur:0.2/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), float32(0.2), po.Blur)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedSharpen() {
req := s.getRequest("http://example.com/unsafe/sharpen:0.2/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), float32(0.2), po.Sharpen)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedDpr() {
req := s.getRequest("http://example.com/unsafe/dpr:2/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 2.0, po.Dpr)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedWatermark() {
req := s.getRequest("http://example.com/unsafe/watermark:0.5:soea:10:20:0.6/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.True(s.T(), po.Watermark.Enabled)
assert.Equal(s.T(), gravitySouthEast, po.Watermark.Gravity)
assert.Equal(s.T(), 10, po.Watermark.OffsetX)
assert.Equal(s.T(), 20, po.Watermark.OffsetY)
assert.Equal(s.T(), 0.6, po.Watermark.Scale)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedPreset() {
conf.Presets["test1"] = urlOptions{
urlOption{Name: "resizing_type", Args: []string{"fill"}},
}
conf.Presets["test2"] = urlOptions{
urlOption{Name: "blur", Args: []string{"0.2"}},
urlOption{Name: "quality", Args: []string{"50"}},
}
req := s.getRequest("http://example.com/unsafe/preset:test1:test2/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), resizeFill, po.ResizingType)
assert.Equal(s.T(), float32(0.2), po.Blur)
assert.Equal(s.T(), 50, po.Quality)
}
func (s *ProcessingOptionsTestSuite) TestParsePathPresetDefault() {
conf.Presets["default"] = urlOptions{
urlOption{Name: "resizing_type", Args: []string{"fill"}},
urlOption{Name: "blur", Args: []string{"0.2"}},
urlOption{Name: "quality", Args: []string{"50"}},
}
req := s.getRequest("http://example.com/unsafe/quality:70/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), resizeFill, po.ResizingType)
assert.Equal(s.T(), float32(0.2), po.Blur)
assert.Equal(s.T(), 70, po.Quality)
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedPresetLoopDetection() {
conf.Presets["test1"] = urlOptions{
urlOption{Name: "resizing_type", Args: []string{"fill"}},
}
conf.Presets["test2"] = urlOptions{
urlOption{Name: "blur", Args: []string{"0.2"}},
urlOption{Name: "quality", Args: []string{"50"}},
}
req := s.getRequest("http://example.com/unsafe/preset:test1:test2:test1/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
require.ElementsMatch(s.T(), po.UsedPresets, []string{"test1", "test2"})
}
func (s *ProcessingOptionsTestSuite) TestParsePathAdvancedCachebuster() {
req := s.getRequest("http://example.com/unsafe/cachebuster:123/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), "123", po.CacheBuster)
}
func (s *ProcessingOptionsTestSuite) TestParsePathWebpDetection() {
conf.EnableWebpDetection = true
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg")
req.Header.Set("Accept", "image/webp")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), true, po.PreferWebP)
assert.Equal(s.T(), false, po.EnforceWebP)
}
func (s *ProcessingOptionsTestSuite) TestParsePathWebpEnforce() {
conf.EnforceWebp = true
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Accept", "image/webp")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), true, po.PreferWebP)
assert.Equal(s.T(), true, po.EnforceWebP)
}
func (s *ProcessingOptionsTestSuite) TestParsePathWidthHeader() {
conf.EnableClientHints = true
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Width", "100")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 100, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathWidthHeaderDisabled() {
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Width", "100")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 0, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathWidthHeaderRedefine() {
conf.EnableClientHints = true
req := s.getRequest("http://example.com/unsafe/width:150/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Width", "100")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 150, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathViewportWidthHeader() {
conf.EnableClientHints = true
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Viewport-Width", "100")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 100, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathViewportWidthHeaderDisabled() {
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Viewport-Width", "100")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 0, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathViewportWidthHeaderRedefine() {
conf.EnableClientHints = true
req := s.getRequest("http://example.com/unsafe/width:150/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("Viewport-Width", "100")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 150, po.Width)
}
func (s *ProcessingOptionsTestSuite) TestParsePathDprHeader() {
conf.EnableClientHints = true
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("DPR", "2")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 2.0, po.Dpr)
}
func (s *ProcessingOptionsTestSuite) TestParsePathDprHeaderDisabled() {
req := s.getRequest("http://example.com/unsafe/plain/http://images.dev/lorem/ipsum.jpg@png")
req.Header.Set("DPR", "2")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), 1.0, po.Dpr)
}
func (s *ProcessingOptionsTestSuite) TestParsePathSigned() {
conf.Keys = []securityKey{securityKey("test-key")}
conf.Salts = []securityKey{securityKey("test-salt")}
conf.AllowInsecure = false
req := s.getRequest("http://example.com/HcvNognEV1bW6f8zRqxNYuOkV0IUf1xloRb57CzbT4g/width:150/plain/http://images.dev/lorem/ipsum.jpg@png")
_, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
}
func (s *ProcessingOptionsTestSuite) TestParsePathSignedInvalid() {
conf.Keys = []securityKey{securityKey("test-key")}
conf.Salts = []securityKey{securityKey("test-salt")}
conf.AllowInsecure = false
req := s.getRequest("http://example.com/unsafe/width:150/plain/http://images.dev/lorem/ipsum.jpg@png")
_, err := parsePath(context.Background(), req)
require.Error(s.T(), err)
assert.Equal(s.T(), errInvalidSignature.Error(), err.Error())
}
func (s *ProcessingOptionsTestSuite) TestParsePathOnlyPresets() {
conf.OnlyPresets = true
conf.Presets["test1"] = urlOptions{
urlOption{Name: "blur", Args: []string{"0.2"}},
}
conf.Presets["test2"] = urlOptions{
urlOption{Name: "quality", Args: []string{"50"}},
}
req := s.getRequest("http://example.com/unsafe/test1:test2/plain/http://images.dev/lorem/ipsum.jpg")
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), float32(0.2), po.Blur)
assert.Equal(s.T(), 50, po.Quality)
}
func (s *ProcessingOptionsTestSuite) TestParseBase64URLOnlyPresets() {
conf.OnlyPresets = true
conf.Presets["test1"] = urlOptions{
urlOption{Name: "blur", Args: []string{"0.2"}},
}
conf.Presets["test2"] = urlOptions{
urlOption{Name: "quality", Args: []string{"50"}},
}
imageURL := "http://images.dev/lorem/ipsum.jpg?param=value"
req := s.getRequest(fmt.Sprintf("http://example.com/unsafe/test1:test2/%s.png", base64.RawURLEncoding.EncodeToString([]byte(imageURL))))
ctx, err := parsePath(context.Background(), req)
require.Nil(s.T(), err)
po := getProcessingOptions(ctx)
assert.Equal(s.T(), float32(0.2), po.Blur)
assert.Equal(s.T(), 50, po.Quality)
}
func TestProcessingOptions(t *testing.T) {
suite.Run(t, new(ProcessingOptionsTestSuite))
}
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