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Kd/fix allow svg doctype (#14344)

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* make svg regex case-insensitive & use strict word boundary

* allow doctype svg

* add doctype tests

* allow <!DOCTYPE svg> and <svg/>
This commit is contained in:
Kyle D 2021-01-15 02:38:41 -07:00 committed by GitHub
parent a21adf92ec
commit bfd0c47ef6
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GPG Key ID: 4AEE18F83AFDEB23

AI 샘플 코드 생성 중입니다

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2 changed files with 10 additions and 2 deletions
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4
modules/base/tool.go
View File

@ -35,8 +35,8 @@ const sniffLen = 512
// SVGMimeType MIME type of SVG images.
const SVGMimeType = "image/svg+xml"
var svgTagRegex = regexp.MustCompile(`(?s)\A\s*(?:<!--.*?-->\s*)*<svg\b`)
var svgTagInXMLRegex = regexp.MustCompile(`(?s)\A<\?xml\b.*?\?>\s*(?:<!--.*?-->\s*)*<svg\b`)
var svgTagRegex = regexp.MustCompile(`(?si)\A\s*(?:(<!--.*?-->|<!DOCTYPE\s+svg([\s:]+.*?>|>))\s*)*<svg[\s>\/]`)
var svgTagInXMLRegex = regexp.MustCompile(`(?si)\A<\?xml\b.*?\?>\s*(?:(<!--.*?-->|<!DOCTYPE\s+svg([\s:]+.*?>|>))\s*)*<svg[\s>\/]`)
// EncodeMD5 encodes string to md5 hex value.
func EncodeMD5(str string) string {

8
modules/base/tool_test.go
View File

@ -216,6 +216,9 @@ func TestIsSVGImageFile(t *testing.T) {
assert.True(t, IsSVGImageFile([]byte(`<!-- Multiline
Comment -->
<svg></svg>`)))
assert.True(t, IsSVGImageFile([]byte(`<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">
<svg></svg>`)))
assert.True(t, IsSVGImageFile([]byte(`<?xml version="1.0" encoding="UTF-8"?>
<!-- Comment -->
<svg></svg>`)))
@ -227,6 +230,11 @@ func TestIsSVGImageFile(t *testing.T) {
<!-- Multline
Comment -->
<svg></svg>`)))
assert.True(t, IsSVGImageFile([]byte(`<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Multline
Comment -->
<svg></svg>`)))
assert.False(t, IsSVGImageFile([]byte{}))
assert.False(t, IsSVGImageFile([]byte("svg")))
assert.False(t, IsSVGImageFile([]byte("<svgfoo></svgfoo>")))