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Fix markdown URL parsing for commit ID (#30812) (#30855)

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Backport #30812 by wxiaoguang

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Giteabot 2024-05-04 12:04:05 +08:00 committed by GitHub
parent a82e6301f7
commit 471b411873
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194

AI 샘플 코드 생성 중입니다

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4 changed files with 116 additions and 75 deletions
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122
modules/markup/html.go
View File

@ -10,6 +10,7 @@ import (
"path"
"path/filepath"
"regexp"
"slices"
"strings"
"sync"
@ -54,7 +55,7 @@ var (
shortLinkPattern = regexp.MustCompile(`\[\[(.*?)\]\](\w*)`)
// anyHashPattern splits url containing SHA into parts
anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~_%.a-zA-Z0-9/]+)?(#[-+~_%.a-zA-Z0-9]+)?`)
anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~%./\w]+)?(\?[-+~%.\w&=]+)?(#[-+~%.\w]+)?`)
// comparePattern matches "http://domain/org/repo/compare/COMMIT1...COMMIT2#hash"
comparePattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{7,64})(\.\.\.?)([0-9a-f]{7,64})?(#[-+~_%.a-zA-Z0-9]+)?`)
@ -591,7 +592,8 @@ func replaceContentList(node *html.Node, i, j int, newNodes []*html.Node) {
func mentionProcessor(ctx *RenderContext, node *html.Node) {
start := 0
for node != nil {
nodeStop := node.NextSibling
for node != nodeStop {
found, loc := references.FindFirstMentionBytes(util.UnsafeStringToBytes(node.Data[start:]))
if !found {
node = node.NextSibling
@ -962,57 +964,68 @@ func commitCrossReferencePatternProcessor(ctx *RenderContext, node *html.Node) {
}
}
type anyHashPatternResult struct {
PosStart int
PosEnd int
FullURL string
CommitID string
SubPath string
QueryHash string
}
func anyHashPatternExtract(s string) (ret anyHashPatternResult, ok bool) {
m := anyHashPattern.FindStringSubmatchIndex(s)
if m == nil {
return ret, false
}
ret.PosStart, ret.PosEnd = m[0], m[1]
ret.FullURL = s[ret.PosStart:ret.PosEnd]
if strings.HasSuffix(ret.FullURL, ".") {
// if url ends in '.', it's very likely that it is not part of the actual url but used to finish a sentence.
ret.PosEnd--
ret.FullURL = ret.FullURL[:len(ret.FullURL)-1]
for i := 0; i < len(m); i++ {
m[i] = min(m[i], ret.PosEnd)
}
}
ret.CommitID = s[m[2]:m[3]]
if m[5] > 0 {
ret.SubPath = s[m[4]:m[5]]
}
lastStart, lastEnd := m[len(m)-2], m[len(m)-1]
if lastEnd > 0 {
ret.QueryHash = s[lastStart:lastEnd][1:]
}
return ret, true
}
// fullHashPatternProcessor renders SHA containing URLs
func fullHashPatternProcessor(ctx *RenderContext, node *html.Node) {
if ctx.Metas == nil {
return
}
next := node.NextSibling
for node != nil && node != next {
m := anyHashPattern.FindStringSubmatchIndex(node.Data)
if m == nil {
return
nodeStop := node.NextSibling
for node != nodeStop {
if node.Type != html.TextNode {
node = node.NextSibling
continue
}
urlFull := node.Data[m[0]:m[1]]
text := base.ShortSha(node.Data[m[2]:m[3]])
// 3rd capture group matches a optional path
subpath := ""
if m[5] > 0 {
subpath = node.Data[m[4]:m[5]]
ret, ok := anyHashPatternExtract(node.Data)
if !ok {
node = node.NextSibling
continue
}
// 4th capture group matches a optional url hash
hash := ""
if m[7] > 0 {
hash = node.Data[m[6]:m[7]][1:]
text := base.ShortSha(ret.CommitID)
if ret.SubPath != "" {
text += ret.SubPath
}
start := m[0]
end := m[1]
// If url ends in '.', it's very likely that it is not part of the
// actual url but used to finish a sentence.
if strings.HasSuffix(urlFull, ".") {
end--
urlFull = urlFull[:len(urlFull)-1]
if hash != "" {
hash = hash[:len(hash)-1]
} else if subpath != "" {
subpath = subpath[:len(subpath)-1]
if ret.QueryHash != "" {
text += " (" + ret.QueryHash + ")"
}
}
if subpath != "" {
text += subpath
}
if hash != "" {
text += " (" + hash + ")"
}
replaceContent(node, start, end, createCodeLink(urlFull, text, "commit"))
replaceContent(node, ret.PosStart, ret.PosEnd, createCodeLink(ret.FullURL, text, "commit"))
node = node.NextSibling.NextSibling
}
}
@ -1021,19 +1034,16 @@ func comparePatternProcessor(ctx *RenderContext, node *html.Node) {
if ctx.Metas == nil {
return
}
next := node.NextSibling
for node != nil && node != next {
nodeStop := node.NextSibling
for node != nodeStop {
if node.Type != html.TextNode {
node = node.NextSibling
continue
}
m := comparePattern.FindStringSubmatchIndex(node.Data)
if m == nil {
return
}
// Ensure that every group (m[0]...m[7]) has a match
for i := 0; i < 8; i++ {
if m[i] == -1 {
return
}
if m == nil || slices.Contains(m[:8], -1) { // ensure that every group (m[0]...m[7]) has a match
node = node.NextSibling
continue
}
urlFull := node.Data[m[0]:m[1]]

3
modules/markup/html_codepreview.go
View File

@ -60,7 +60,8 @@ func renderCodeBlock(ctx *RenderContext, node *html.Node) (urlPosStart, urlPosSt
}
func codePreviewPatternProcessor(ctx *RenderContext, node *html.Node) {
for node != nil {
nodeStop := node.NextSibling
for node != nodeStop {
if node.Type != html.TextNode {
node = node.NextSibling
continue

59
modules/markup/html_internal_test.go
View File

@ -399,36 +399,61 @@ func TestRegExp_sha1CurrentPattern(t *testing.T) {
}
func TestRegExp_anySHA1Pattern(t *testing.T) {
testCases := map[string][]string{
testCases := map[string]anyHashPatternResult{
"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js#L2703": {
"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
"/test/unit/event.js",
"#L2703",
CommitID: "a644101ed04d0beacea864ce805e0c4f86ba1cd1",
SubPath: "/test/unit/event.js",
QueryHash: "L2703",
},
"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js": {
"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
"/test/unit/event.js",
"",
CommitID: "a644101ed04d0beacea864ce805e0c4f86ba1cd1",
SubPath: "/test/unit/event.js",
},
"https://github.com/jquery/jquery/commit/0705be475092aede1eddae01319ec931fb9c65fc": {
"0705be475092aede1eddae01319ec931fb9c65fc",
"",
"",
CommitID: "0705be475092aede1eddae01319ec931fb9c65fc",
},
"https://github.com/jquery/jquery/tree/0705be475092aede1eddae01319ec931fb9c65fc/src": {
"0705be475092aede1eddae01319ec931fb9c65fc",
"/src",
"",
CommitID: "0705be475092aede1eddae01319ec931fb9c65fc",
SubPath: "/src",
},
"https://try.gogs.io/gogs/gogs/commit/d8a994ef243349f321568f9e36d5c3f444b99cae#diff-2": {
"d8a994ef243349f321568f9e36d5c3f444b99cae",
"",
"#diff-2",
CommitID: "d8a994ef243349f321568f9e36d5c3f444b99cae",
QueryHash: "diff-2",
},
"non-url": {},
"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678?a=b#L1-L2": {
CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
QueryHash: "L1-L2",
},
"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678.": {
CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
},
"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678/sub.": {
CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
SubPath: "/sub",
},
"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678?a=b.": {
CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
},
"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678?a=b&c=d": {
CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
},
"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678#hash.": {
CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
QueryHash: "hash",
},
}
for k, v := range testCases {
assert.Equal(t, anyHashPattern.FindStringSubmatch(k)[1:], v)
ret, ok := anyHashPatternExtract(k)
if v.CommitID == "" {
assert.False(t, ok)
} else {
assert.EqualValues(t, strings.TrimSuffix(k, "."), ret.FullURL)
assert.EqualValues(t, v.CommitID, ret.CommitID)
assert.EqualValues(t, v.SubPath, ret.SubPath)
assert.EqualValues(t, v.QueryHash, ret.QueryHash)
}
}
}

7
modules/markup/html_test.go
View File

@ -124,6 +124,11 @@ func TestRender_CrossReferences(t *testing.T) {
test(
util.URLJoin(markup.TestAppURL, "gogitea", "some-repo-name", "issues", "12345"),
`<p><a href="`+util.URLJoin(markup.TestAppURL, "gogitea", "some-repo-name", "issues", "12345")+`" class="ref-issue" rel="nofollow">gogitea/some-repo-name#12345</a></p>`)
inputURL := "https://host/a/b/commit/0123456789012345678901234567890123456789/foo.txt?a=b#L2-L3"
test(
inputURL,
`<p><a href="`+inputURL+`" rel="nofollow"><code>0123456789/foo.txt (L2-L3)</code></a></p>`)
}
func TestMisc_IsSameDomain(t *testing.T) {
@ -695,7 +700,7 @@ func TestIssue18471(t *testing.T) {
}, strings.NewReader(data), &res)
assert.NoError(t, err)
assert.Equal(t, "<a href=\"http://domain/org/repo/compare/783b039...da951ce\" class=\"compare\"><code class=\"nohighlight\">783b039...da951ce</code></a>", res.String())
assert.Equal(t, `<a href="http://domain/org/repo/compare/783b039...da951ce" class="compare"><code class="nohighlight">783b039...da951ce</code></a>`, res.String())
}
func TestIsFullURL(t *testing.T) {