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sanitizer: handle image URLs in srcset attribute with comma

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This commit is contained in:
Frédéric Guillot 2022-07-04 12:48:48 -07:00
parent d85908e3de
commit 806a069785
6 changed files with 212 additions and 88 deletions
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27
proxy/image_proxy_test.go
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@ -234,8 +234,31 @@ func TestProxyFilterWithPictureSource(t *testing.T) {
r := mux.NewRouter()
r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
input := `<picture><source srcset="http://website/folder/image2.png 656w, http://website/folder/image3.png 360w"></picture>`
expected := `<picture><source srcset="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, /proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMy5wbmc= 360w"/></picture>`
input := `<picture><source srcset="http://website/folder/image2.png 656w, http://website/folder/image3.png 360w, https://website/some,image.png 2x"></picture>`
expected := `<picture><source srcset="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, /proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMy5wbmc= 360w, /proxy/aHR0cHM6Ly93ZWJzaXRlL3NvbWUsaW1hZ2UucG5n 2x"/></picture>`
output := ImageProxyRewriter(r, input)
if expected != output {
t.Errorf(`Not expected output: got %s`, output)
}
}
func TestProxyFilterOnlyNonHTTPWithPictureSource(t *testing.T) {
os.Clearenv()
os.Setenv("PROXY_IMAGES", "https")
var err error
parser := config.NewParser()
config.Opts, err = parser.ParseEnvironmentVariables()
if err != nil {
t.Fatalf(`Parsing failure: %v`, err)
}
r := mux.NewRouter()
r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
input := `<picture><source srcset="http://website/folder/image2.png 656w, https://website/some,image.png 2x"></picture>`
expected := `<picture><source srcset="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, https://website/some,image.png 2x"/></picture>`
output := ImageProxyRewriter(r, input)
if expected != output {