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Fix orgmode link resolving #29024

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merged 6 commits into from
Feb 7, 2024
Merged

Fix orgmode link resolving #29024

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d868b92
fix
wxiaoguang Feb 2, 2024
dc92cb1
add a redundant case for "file:" prefix
wxiaoguang Feb 2, 2024
28aa745
clarify relative path behavior
wxiaoguang Feb 2, 2024
6cd906b
fix orgmode media link resolving
wxiaoguang Feb 3, 2024
8b75365
fix lint
wxiaoguang Feb 3, 2024
972b6ac
Merge branch 'main' into fix-orgmode-link
GiteaBot Feb 7, 2024
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38 changes: 19 additions & 19 deletions modules/markup/orgmode/orgmode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -133,18 +133,18 @@ type Writer struct {
Ctx *markup.RenderContext
}

const mailto = "mailto:"

func (r *Writer) resolveLink(l org.RegularLink) string {
link := html.EscapeString(l.URL)
if l.Protocol == "file" {
link = link[len("file:"):]
}
if len(link) > 0 && !markup.IsLinkStr(link) &&
link[0] != '#' && !strings.HasPrefix(link, mailto) {
func (r *Writer) resolveLink(kind, link string) string {
link = strings.TrimPrefix(link, "file:")
if !strings.HasPrefix(link, "#") && // not a URL fragment
!markup.IsLinkStr(link) && // not an absolute URL
!strings.HasPrefix(link, "mailto:") {
if kind == "regular" {
// orgmode reports the link kind as "regular" for "[[ImageLink.svg][The Image Desc]]"
// so we need to try to guess the link kind again here
kind = org.RegularLink{URL: link}.Kind()
}
base := r.Ctx.Links.Base
switch l.Kind() {
case "image", "video":
if kind == "image" || kind == "video" {
base = r.Ctx.Links.ResolveMediaLink(r.Ctx.IsWiki)
}
link = util.URLJoin(base, link)
Expand All @@ -154,29 +154,29 @@ func (r *Writer) resolveLink(l org.RegularLink) string {

// WriteRegularLink renders images, links or videos
func (r *Writer) WriteRegularLink(l org.RegularLink) {
link := r.resolveLink(l)
link := r.resolveLink(l.Kind(), l.URL)

// Inspired by https://github.com/niklasfasching/go-org/blob/6eb20dbda93cb88c3503f7508dc78cbbc639378f/org/html_writer.go#L406-L427
switch l.Kind() {
case "image":
if l.Description == nil {
fmt.Fprintf(r, `<img src="%s" alt="%s" />`, link, link)
_, _ = fmt.Fprintf(r, `<img src="%s" alt="%s" />`, link, link)
} else {
imageSrc := r.resolveLink(l.Description[0].(org.RegularLink))
fmt.Fprintf(r, `<a href="%s"><img src="%s" alt="%s" /></a>`, link, imageSrc, imageSrc)
imageSrc := r.resolveLink(l.Kind(), org.String(l.Description...))
_, _ = fmt.Fprintf(r, `<a href="%s"><img src="%s" alt="%s" /></a>`, link, imageSrc, imageSrc)
}
case "video":
if l.Description == nil {
fmt.Fprintf(r, `<video src="%s">%s</video>`, link, link)
_, _ = fmt.Fprintf(r, `<video src="%s">%s</video>`, link, link)
} else {
videoSrc := r.resolveLink(l.Description[0].(org.RegularLink))
fmt.Fprintf(r, `<a href="%s"><video src="%s">%s</video></a>`, link, videoSrc, videoSrc)
videoSrc := r.resolveLink(l.Kind(), org.String(l.Description...))
_, _ = fmt.Fprintf(r, `<a href="%s"><video src="%s">%s</video></a>`, link, videoSrc, videoSrc)
}
default:
description := link
if l.Description != nil {
description = r.WriteNodesAsString(l.Description...)
}
fmt.Fprintf(r, `<a href="%s">%s</a>`, link, description)
_, _ = fmt.Fprintf(r, `<a href="%s">%s</a>`, link, description)
}
}
42 changes: 22 additions & 20 deletions modules/markup/orgmode/orgmode_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,26 +10,21 @@ import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"

"github.com/stretchr/testify/assert"
)

const (
AppURL = "http://localhost:3000/"
Repo = "gogits/gogs"
AppSubURL = AppURL + Repo + "/"
)
const AppURL = "http://localhost:3000/"

func TestRender_StandardLinks(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL

test := func(input, expected string) {
buffer, err := RenderString(&markup.RenderContext{
Ctx: git.DefaultContext,
Links: markup.Links{
Base: setting.AppSubURL,
Base: "/relative-path",
BranchPath: "branch/main",
},
}, input)
assert.NoError(t, err)
Expand All @@ -38,32 +33,30 @@ func TestRender_StandardLinks(t *testing.T) {

test("[[https://google.com/]]",
`<p><a href="https://google.com/">https://google.com/</a></p>`)

lnk := util.URLJoin(AppSubURL, "WikiPage")
test("[[WikiPage][WikiPage]]",
`<p><a href="`+lnk+`">WikiPage</a></p>`)
test("[[WikiPage][The WikiPage Desc]]",
`<p><a href="/relative-path/WikiPage">The WikiPage Desc</a></p>`)
test("[[ImageLink.svg][The Image Desc]]",
`<p><a href="/relative-path/media/branch/main/ImageLink.svg">The Image Desc</a></p>`)
}

func TestRender_Media(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL

test := func(input, expected string) {
buffer, err := RenderString(&markup.RenderContext{
Ctx: git.DefaultContext,
Links: markup.Links{
Base: setting.AppSubURL,
Base: "./relative-path",
},
}, input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
}

url := "../../.images/src/02/train.jpg"
result := util.URLJoin(AppSubURL, url)

test("[[file:"+url+"]]",
`<p><img src="`+result+`" alt="`+result+`" /></p>`)
test("[[file:../../.images/src/02/train.jpg]]",
`<p><img src=".images/src/02/train.jpg" alt=".images/src/02/train.jpg" /></p>`)
test("[[file:train.jpg]]",
`<p><img src="relative-path/train.jpg" alt="relative-path/train.jpg" /></p>`)

// With description.
test("[[https://example.com][https://example.com/example.svg]]",
Expand All @@ -80,11 +73,20 @@ func TestRender_Media(t *testing.T) {
`<p><img src="https://example.com/example.svg" alt="https://example.com/example.svg" /></p>`)
test("[[https://example.com/example.mp4]]",
`<p><video src="https://example.com/example.mp4">https://example.com/example.mp4</video></p>`)

// test [[LINK][DESCRIPTION]] syntax with "file:" prefix
test(`[[https://example.com/][file:https://example.com/foo%20bar.svg]]`,
`<p><a href="https://example.com/"><img src="https://example.com/foo%20bar.svg" alt="https://example.com/foo%20bar.svg" /></a></p>`)
test(`[[file:https://example.com/foo%20bar.svg][Goto Image]]`,
`<p><a href="https://example.com/foo%20bar.svg">Goto Image</a></p>`)
test(`[[file:https://example.com/link][https://example.com/image.jpg]]`,
`<p><a href="https://example.com/link"><img src="https://example.com/image.jpg" alt="https://example.com/image.jpg" /></a></p>`)
test(`[[file:https://example.com/link][file:https://example.com/image.jpg]]`,
`<p><a href="https://example.com/link"><img src="https://example.com/image.jpg" alt="https://example.com/image.jpg" /></a></p>`)
}

func TestRender_Source(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL

test := func(input, expected string) {
buffer, err := RenderString(&markup.RenderContext{
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