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Fix issue link rendering in commit messages (#2897)

* Fix issue link rendering in commit messages

* Update page.tmpl

* No links for parens

* remove comment
This commit is contained in:
Ethan Koenig 2017-11-12 17:35:55 -08:00 committed by Lunny Xiao
parent 47f40ccd5e
commit 5481be0ac5
7 changed files with 126 additions and 52 deletions

View File

@ -126,35 +126,82 @@ func URLJoin(base string, elems ...string) string {
return u.String() return u.String()
} }
// RenderIssueIndexPatternOptions options for RenderIssueIndexPattern function
type RenderIssueIndexPatternOptions struct {
// url to which non-special formatting should be linked. If empty,
// no such links will be added
DefaultURL string
URLPrefix string
Metas map[string]string
}
// addText add text to the given buffer, adding a link to the default url
// if appropriate
func (opts RenderIssueIndexPatternOptions) addText(text []byte, buf *bytes.Buffer) {
if len(text) == 0 {
return
} else if len(opts.DefaultURL) == 0 {
buf.Write(text)
return
}
buf.WriteString(`<a rel="nofollow" href="`)
buf.WriteString(opts.DefaultURL)
buf.WriteString(`">`)
buf.Write(text)
buf.WriteString(`</a>`)
}
// RenderIssueIndexPattern renders issue indexes to corresponding links. // RenderIssueIndexPattern renders issue indexes to corresponding links.
func RenderIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string]string) []byte { func RenderIssueIndexPattern(rawBytes []byte, opts RenderIssueIndexPatternOptions) []byte {
urlPrefix = cutoutVerbosePrefix(urlPrefix) opts.URLPrefix = cutoutVerbosePrefix(opts.URLPrefix)
pattern := IssueNumericPattern pattern := IssueNumericPattern
if metas["style"] == IssueNameStyleAlphanumeric { if opts.Metas["style"] == IssueNameStyleAlphanumeric {
pattern = IssueAlphanumericPattern pattern = IssueAlphanumericPattern
} }
ms := pattern.FindAll(rawBytes, -1) var buf bytes.Buffer
for _, m := range ms { remainder := rawBytes
if m[0] == ' ' || m[0] == '(' { for {
m = m[1:] // ignore leading space or opening parentheses indices := pattern.FindIndex(remainder)
if indices == nil || len(indices) < 2 {
opts.addText(remainder, &buf)
return buf.Bytes()
} }
var link string startIndex := indices[0]
if metas == nil { endIndex := indices[1]
link = fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(urlPrefix, "issues", string(m[1:])), m) opts.addText(remainder[:startIndex], &buf)
if remainder[startIndex] == '(' || remainder[startIndex] == ' ' {
buf.WriteByte(remainder[startIndex])
startIndex++
}
if opts.Metas == nil {
buf.WriteString(`<a href="`)
buf.WriteString(URLJoin(
opts.URLPrefix, "issues", string(remainder[startIndex+1:endIndex])))
buf.WriteString(`">`)
buf.Write(remainder[startIndex:endIndex])
buf.WriteString(`</a>`)
} else { } else {
// Support for external issue tracker // Support for external issue tracker
if metas["style"] == IssueNameStyleAlphanumeric { buf.WriteString(`<a href="`)
metas["index"] = string(m) if opts.Metas["style"] == IssueNameStyleAlphanumeric {
opts.Metas["index"] = string(remainder[startIndex:endIndex])
} else { } else {
metas["index"] = string(m[1:]) opts.Metas["index"] = string(remainder[startIndex+1 : endIndex])
} }
link = fmt.Sprintf(`<a href="%s">%s</a>`, com.Expand(metas["format"], metas), m) buf.WriteString(com.Expand(opts.Metas["format"], opts.Metas))
buf.WriteString(`">`)
buf.Write(remainder[startIndex:endIndex])
buf.WriteString(`</a>`)
} }
rawBytes = bytes.Replace(rawBytes, m, []byte(link), 1) if endIndex < len(remainder) &&
(remainder[endIndex] == ')' || remainder[endIndex] == ' ') {
buf.WriteByte(remainder[endIndex])
endIndex++
}
remainder = remainder[endIndex:]
} }
return rawBytes
} }
// IsSameDomain checks if given url string has the same hostname as current Gitea instance // IsSameDomain checks if given url string has the same hostname as current Gitea instance
@ -432,7 +479,10 @@ func RenderSpecialLink(rawBytes []byte, urlPrefix string, metas map[string]strin
rawBytes = RenderFullIssuePattern(rawBytes) rawBytes = RenderFullIssuePattern(rawBytes)
rawBytes = RenderShortLinks(rawBytes, urlPrefix, false, isWikiMarkdown) rawBytes = RenderShortLinks(rawBytes, urlPrefix, false, isWikiMarkdown)
rawBytes = RenderIssueIndexPattern(rawBytes, urlPrefix, metas) rawBytes = RenderIssueIndexPattern(rawBytes, RenderIssueIndexPatternOptions{
URLPrefix: urlPrefix,
Metas: metas,
})
rawBytes = RenderCrossReferenceIssueIndexPattern(rawBytes, urlPrefix, metas) rawBytes = RenderCrossReferenceIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = renderFullSha1Pattern(rawBytes, urlPrefix) rawBytes = renderFullSha1Pattern(rawBytes, urlPrefix)
rawBytes = renderSha1CurrentPattern(rawBytes, urlPrefix) rawBytes = renderSha1CurrentPattern(rawBytes, urlPrefix)

View File

@ -55,9 +55,12 @@ func link(href, contents string) string {
return fmt.Sprintf("<a href=\"%s\">%s</a>", href, contents) return fmt.Sprintf("<a href=\"%s\">%s</a>", href, contents)
} }
func testRenderIssueIndexPattern(t *testing.T, input, expected string, metas map[string]string) { func testRenderIssueIndexPattern(t *testing.T, input, expected string, opts RenderIssueIndexPatternOptions) {
assert.Equal(t, expected, if len(opts.URLPrefix) == 0 {
string(RenderIssueIndexPattern([]byte(input), AppSubURL, metas))) opts.URLPrefix = AppSubURL
}
actual := string(RenderIssueIndexPattern([]byte(input), opts))
assert.Equal(t, expected, actual)
} }
func TestURLJoin(t *testing.T) { func TestURLJoin(t *testing.T) {
@ -88,8 +91,8 @@ func TestURLJoin(t *testing.T) {
func TestRender_IssueIndexPattern(t *testing.T) { func TestRender_IssueIndexPattern(t *testing.T) {
// numeric: render inputs without valid mentions // numeric: render inputs without valid mentions
test := func(s string) { test := func(s string) {
testRenderIssueIndexPattern(t, s, s, nil) testRenderIssueIndexPattern(t, s, s, RenderIssueIndexPatternOptions{})
testRenderIssueIndexPattern(t, s, s, numericMetas) testRenderIssueIndexPattern(t, s, s, RenderIssueIndexPatternOptions{Metas: numericMetas})
} }
// should not render anything when there are no mentions // should not render anything when there are no mentions
@ -123,13 +126,13 @@ func TestRender_IssueIndexPattern2(t *testing.T) {
links[i] = numericIssueLink(URLJoin(setting.AppSubURL, "issues"), index) links[i] = numericIssueLink(URLJoin(setting.AppSubURL, "issues"), index)
} }
expectedNil := fmt.Sprintf(expectedFmt, links...) expectedNil := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expectedNil, nil) testRenderIssueIndexPattern(t, s, expectedNil, RenderIssueIndexPatternOptions{})
for i, index := range indices { for i, index := range indices {
links[i] = numericIssueLink("https://someurl.com/someUser/someRepo/", index) links[i] = numericIssueLink("https://someurl.com/someUser/someRepo/", index)
} }
expectedNum := fmt.Sprintf(expectedFmt, links...) expectedNum := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expectedNum, numericMetas) testRenderIssueIndexPattern(t, s, expectedNum, RenderIssueIndexPatternOptions{Metas: numericMetas})
} }
// should render freestanding mentions // should render freestanding mentions
@ -155,7 +158,7 @@ func TestRender_IssueIndexPattern3(t *testing.T) {
// alphanumeric: render inputs without valid mentions // alphanumeric: render inputs without valid mentions
test := func(s string) { test := func(s string) {
testRenderIssueIndexPattern(t, s, s, alphanumericMetas) testRenderIssueIndexPattern(t, s, s, RenderIssueIndexPatternOptions{Metas: alphanumericMetas})
} }
test("") test("")
test("this is a test") test("this is a test")
@ -187,13 +190,32 @@ func TestRender_IssueIndexPattern4(t *testing.T) {
links[i] = alphanumIssueLink("https://someurl.com/someUser/someRepo/", name) links[i] = alphanumIssueLink("https://someurl.com/someUser/someRepo/", name)
} }
expected := fmt.Sprintf(expectedFmt, links...) expected := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expected, alphanumericMetas) testRenderIssueIndexPattern(t, s, expected, RenderIssueIndexPatternOptions{Metas: alphanumericMetas})
} }
test("OTT-1234 test", "%s test", "OTT-1234") test("OTT-1234 test", "%s test", "OTT-1234")
test("test T-12 issue", "test %s issue", "T-12") test("test T-12 issue", "test %s issue", "T-12")
test("test issue ABCDEFGHIJ-1234567890", "test issue %s", "ABCDEFGHIJ-1234567890") test("test issue ABCDEFGHIJ-1234567890", "test issue %s", "ABCDEFGHIJ-1234567890")
} }
func TestRenderIssueIndexPatternWithDefaultURL(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input string, expected string) {
testRenderIssueIndexPattern(t, input, expected, RenderIssueIndexPatternOptions{
DefaultURL: AppURL,
})
}
test("hello #123 world",
fmt.Sprintf(`<a rel="nofollow" href="%s">hello</a> `, AppURL)+
fmt.Sprintf(`<a href="%sissues/123">#123</a> `, AppSubURL)+
fmt.Sprintf(`<a rel="nofollow" href="%s">world</a>`, AppURL))
test("hello (#123) world",
fmt.Sprintf(`<a rel="nofollow" href="%s">hello </a>`, AppURL)+
fmt.Sprintf(`(<a href="%sissues/123">#123</a>)`, AppSubURL)+
fmt.Sprintf(`<a rel="nofollow" href="%s"> world</a>`, AppURL))
}
func TestRender_AutoLink(t *testing.T) { func TestRender_AutoLink(t *testing.T) {
setting.AppURL = AppURL setting.AppURL = AppURL
setting.AppSubURL = AppSubURL setting.AppSubURL = AppSubURL

View File

@ -110,7 +110,8 @@ func NewFuncMap() []template.FuncMap {
"EscapePound": func(str string) string { "EscapePound": func(str string) string {
return strings.NewReplacer("%", "%25", "#", "%23", " ", "%20", "?", "%3F").Replace(str) return strings.NewReplacer("%", "%25", "#", "%23", " ", "%20", "?", "%3F").Replace(str)
}, },
"RenderCommitMessage": RenderCommitMessage, "RenderCommitMessage": RenderCommitMessage,
"RenderCommitMessageLink": RenderCommitMessageLink,
"ThemeColorMetaTag": func() string { "ThemeColorMetaTag": func() string {
return setting.UI.ThemeColorMetaTag return setting.UI.ThemeColorMetaTag
}, },
@ -252,28 +253,31 @@ func ReplaceLeft(s, old, new string) string {
} }
// RenderCommitMessage renders commit message with XSS-safe and special links. // RenderCommitMessage renders commit message with XSS-safe and special links.
func RenderCommitMessage(full bool, msg, urlPrefix string, metas map[string]string) template.HTML { func RenderCommitMessage(msg, urlPrefix string, metas map[string]string) template.HTML {
return renderCommitMessage(msg, markup.RenderIssueIndexPatternOptions{
URLPrefix: urlPrefix,
Metas: metas,
})
}
// RenderCommitMessageLink renders commit message as a XXS-safe link to the provided
// default url, handling for special links.
func RenderCommitMessageLink(msg, urlPrefix string, urlDefault string, metas map[string]string) template.HTML {
return renderCommitMessage(msg, markup.RenderIssueIndexPatternOptions{
DefaultURL: urlDefault,
URLPrefix: urlPrefix,
Metas: metas,
})
}
func renderCommitMessage(msg string, opts markup.RenderIssueIndexPatternOptions) template.HTML {
cleanMsg := template.HTMLEscapeString(msg) cleanMsg := template.HTMLEscapeString(msg)
fullMessage := string(markup.RenderIssueIndexPattern([]byte(cleanMsg), urlPrefix, metas)) fullMessage := string(markup.RenderIssueIndexPattern([]byte(cleanMsg), opts))
msgLines := strings.Split(strings.TrimSpace(fullMessage), "\n") msgLines := strings.Split(strings.TrimSpace(fullMessage), "\n")
numLines := len(msgLines) if len(msgLines) == 0 {
if numLines == 0 {
return template.HTML("") return template.HTML("")
} else if !full {
return template.HTML(msgLines[0])
} else if numLines == 1 || (numLines >= 2 && len(msgLines[1]) == 0) {
// First line is a header, standalone or followed by empty line
header := fmt.Sprintf("<h3>%s</h3>", msgLines[0])
if numLines >= 2 {
fullMessage = header + fmt.Sprintf("\n<pre>%s</pre>", strings.Join(msgLines[2:], "\n"))
} else {
fullMessage = header
}
} else {
// Non-standard git message, there is no header line
fullMessage = fmt.Sprintf("<h4>%s</h4>", strings.Join(msgLines, "<br>"))
} }
return template.HTML(fullMessage) return template.HTML(msgLines[0])
} }
// Actioner describes an action // Actioner describes an action

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@ -60,7 +60,7 @@
</a> </a>
</td> </td>
<td class="message collapsing"> <td class="message collapsing">
<span class="has-emoji{{if gt .ParentCount 1}} grey text{{end}}">{{RenderCommitMessage false .Summary $.RepoLink $.Repository.ComposeMetas}}</span> <span class="has-emoji{{if gt .ParentCount 1}} grey text{{end}}">{{RenderCommitMessage .Summary $.RepoLink $.Repository.ComposeMetas}}</span>
{{template "repo/commit_status" .Status}} {{template "repo/commit_status" .Status}}
</td> </td>
<td class="grey text right aligned">{{TimeSince .Author.When $.Lang}}</td> <td class="grey text right aligned">{{TimeSince .Author.When $.Lang}}</td>

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@ -9,7 +9,7 @@
<a class="ui floated right blue tiny button" href="{{EscapePound .SourcePath}}"> <a class="ui floated right blue tiny button" href="{{EscapePound .SourcePath}}">
{{.i18n.Tr "repo.diff.browse_source"}} {{.i18n.Tr "repo.diff.browse_source"}}
</a> </a>
<h3>{{RenderCommitMessage false .Commit.Message $.RepoLink $.Repository.ComposeMetas}}{{template "repo/commit_status" .CommitStatus}}</h3> <h3>{{RenderCommitMessage .Commit.Message $.RepoLink $.Repository.ComposeMetas}}{{template "repo/commit_status" .CommitStatus}}</h3>
</div> </div>
<div class="ui attached info segment {{if .Commit.Signature}} isSigned {{if .Verification.Verified }} isVerified {{end}}{{end}}"> <div class="ui attached info segment {{if .Commit.Signature}} isSigned {{if .Verification.Verified }} isVerified {{end}}{{end}}">
{{if .Author}} {{if .Author}}

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@ -26,7 +26,7 @@
<a href="{{AppSubUrl}}/{{$.Username}}/{{$.Reponame}}/commit/{{.Rev}}">{{ .ShortRev}}</a> <a href="{{AppSubUrl}}/{{$.Username}}/{{$.Reponame}}/commit/{{.Rev}}">{{ .ShortRev}}</a>
</code> </code>
<strong> {{.Branch}}</strong> <strong> {{.Branch}}</strong>
<em>{{RenderCommitMessage false .Subject $.RepoLink $.Repository.ComposeMetas}}</em> by <em>{{RenderCommitMessage .Subject $.RepoLink $.Repository.ComposeMetas}}</em> by
<span class="author"> <span class="author">
{{.Author}} {{.Author}}
</span> </span>

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@ -27,7 +27,7 @@
</div> </div>
{{end}} {{end}}
</a> </a>
<span class="grey has-emoji">{{RenderCommitMessage false .LatestCommit.Summary .RepoLink $.Repository.ComposeMetas}} <span class="grey has-emoji">{{RenderCommitMessage .LatestCommit.Summary .RepoLink $.Repository.ComposeMetas}}
{{template "repo/commit_status" .LatestCommitStatus}}</span> {{template "repo/commit_status" .LatestCommitStatus}}</span>
</th> </th>
<th class="nine wide"> <th class="nine wide">
@ -75,9 +75,7 @@
</td> </td>
{{end}} {{end}}
<td class="message collapsing has-emoji"> <td class="message collapsing has-emoji">
<a rel="nofollow" href="{{$.RepoLink}}/commit/{{$commit.ID}}"> {{RenderCommitMessageLink $commit.Summary $.RepoLink (print $.RepoLink "/commit/" $commit.ID) $.Repository.ComposeMetas}}
{{RenderCommitMessage false $commit.Summary $.RepoLink $.Repository.ComposeMetas}}
</a>
</td> </td>
<td class="text grey right age">{{TimeSince $commit.Committer.When $.Lang}}</td> <td class="text grey right age">{{TimeSince $commit.Committer.When $.Lang}}</td>
</tr> </tr>