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Rework markup link rendering (#26745) (#28803)

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Backport #26745
Fixes #26548

This PR refactors the rendering of markup links. The old code uses
`strings.Replace` to change some urls while the new code uses more
context to decide which link should be generated.

The added tests should ensure the same output for the old and new
behaviour (besides the bug).

We may need to refactor the rendering a bit more to make it clear how
the different helper methods render the input string. There are lots of
options (resolve links / images / mentions / git hashes / emojis / ...)
but you don't really know what helper uses which options. For example,
we currently support images in the user description which should not be
allowed I think:

<details>
  <summary>Profile</summary>

https://try.gitea.io/KN4CK3R


![grafik](https://github.com/go-gitea/gitea/assets/1666336/109ae422-496d-4200-b52e-b3a528f553e5)

</details>
This commit is contained in:
KN4CK3R
2024-01-16 03:13:29 +01:00
committed by GitHub
parent 376fa0d8c4
commit 022552d5b6
42 changed files with 966 additions and 388 deletions
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23
modules/markup/orgmode/orgmode_test.go
View File

@ -27,8 +27,10 @@ func TestRender_StandardLinks(t *testing.T) {
test := func(input, expected string) {
buffer, err := RenderString(&markup.RenderContext{
Ctx: git.DefaultContext,
URLPrefix: setting.AppSubURL,
Ctx: git.DefaultContext,
Links: markup.Links{
Base: setting.AppSubURL,
},
}, input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
@ -48,8 +50,10 @@ func TestRender_Media(t *testing.T) {
test := func(input, expected string) {
buffer, err := RenderString(&markup.RenderContext{
Ctx: git.DefaultContext,
URLPrefix: setting.AppSubURL,
Ctx: git.DefaultContext,
Links: markup.Links{
Base: setting.AppSubURL,
},
}, input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
@ -59,19 +63,19 @@ func TestRender_Media(t *testing.T) {
result := util.URLJoin(AppSubURL, url)
test("[[file:"+url+"]]",
"<p><img src=\""+result+"\" alt=\""+result+"\" title=\""+result+"\" /></p>")
"<p><img src=\""+result+"\" alt=\""+result+"\" /></p>")
// With description.
test("[[https://example.com][https://example.com/example.svg]]",
`<p><a href="https://example.com"><img src="https://example.com/example.svg" alt="https://example.com/example.svg" /></a></p>`)
test("[[https://example.com][https://example.com/example.mp4]]",
`<p><a href="https://example.com"><video src="https://example.com/example.mp4" title="https://example.com/example.mp4"></video></a></p>`)
`<p><a href="https://example.com"><video src="https://example.com/example.mp4">https://example.com/example.mp4</video></a></p>`)
// Without description.
test("[[https://example.com/example.svg]]",
`<p><img src="https://example.com/example.svg" alt="https://example.com/example.svg" title="https://example.com/example.svg" /></p>`)
`<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" title="https://example.com/example.mp4">https://example.com/example.mp4</video></p>`)
`<p><video src="https://example.com/example.mp4">https://example.com/example.mp4</video></p>`)
}
func TestRender_Source(t *testing.T) {
@ -80,8 +84,7 @@ func TestRender_Source(t *testing.T) {
test := func(input, expected string) {
buffer, err := RenderString(&markup.RenderContext{
Ctx: git.DefaultContext,
URLPrefix: setting.AppSubURL,
Ctx: git.DefaultContext,
}, input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))