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Fix raw wiki links (#31825)

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Fix #31395

This regression is introduced by #30273. To find out how GitHub handles
this case, I did [some
tests](https://github.com/go-gitea/gitea/issues/31395#issuecomment-2278929115).

I use redirect in this PR instead of checking if the corresponding `.md`
file exists when rendering the link because GitHub also uses redirect.
With this PR, there is no need to resolve the raw wiki link when
rendering a wiki page. If a wiki link points to a raw file, access will
be redirected to the raw link.
This commit is contained in:
Zettat123 2024-08-16 20:40:51 +08:00 • committed by GitHub
parent e4f850bf63
commit 2010fbe060
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GPG key ID: B5690EEEBB952194
5 changed files with 84 additions and 32 deletions
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12
modules/markup/html_link.go
View file

@ -4,8 +4,6 @@
package markup
import (
"path"
"code.gitea.io/gitea/modules/util"
)
@ -14,13 +12,9 @@ func ResolveLink(ctx *RenderContext, link, userContentAnchorPrefix string) (resu
if !isAnchorFragment && !IsFullURLString(link) {
linkBase := ctx.Links.Base
if ctx.IsWiki {
if ext := path.Ext(link); ext == "" || ext == ".-" {
linkBase = ctx.Links.WikiLink() // the link is for a wiki page
} else if DetectMarkupTypeByFileName(link) != "" {
linkBase = ctx.Links.WikiLink() // the link is renderable as a wiki page
} else {
linkBase = ctx.Links.WikiRawLink() // otherwise, use a raw link instead to view&download medias
}
// no need to check if the link should be resolved as a wiki link or a wiki raw link
// just use wiki link here and it will be redirected to a wiki raw link if necessary
linkBase = ctx.Links.WikiLink()
} else if ctx.Links.BranchPath != "" || ctx.Links.TreePath != "" {
// if there is no BranchPath, then the link will be something like "/owner/repo/src/{the-file-path}"
// and then this link will be handled by the "legacy-ref" code and be redirected to the default branch like "/owner/repo/src/branch/main/{the-file-path}"

2
modules/markup/html_test.go
View file

@ -437,7 +437,7 @@ func TestRender_ShortLinks(t *testing.T) {
renderableFileURL := util.URLJoin(tree, "markdown_file.md")
renderableFileURLWiki := util.URLJoin(markup.TestRepoURL, "wiki", "markdown_file.md")
unrenderableFileURL := util.URLJoin(tree, "file.zip")
unrenderableFileURLWiki := util.URLJoin(markup.TestRepoURL, "wiki", "raw", "file.zip")
unrenderableFileURLWiki := util.URLJoin(markup.TestRepoURL, "wiki", "file.zip")
favicon := "http://google.com/favicon.ico"
test(

24
modules/markup/markdown/markdown_test.go
View file

@ -672,9 +672,9 @@ space</p>
Expected: `<p>space @mention-user<br/>
/just/a/path.bin<br/>
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
<a href="/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/wiki/raw/image.jpg" target="_blank" rel="nofollow noopener"><img src="/wiki/raw/image.jpg" alt="local image"/></a><br/>
<a href="/wiki/raw/path/file" target="_blank" rel="nofollow noopener"><img src="/wiki/raw/path/file" alt="local image"/></a><br/>
@ -730,9 +730,9 @@ space</p>
Expected: `<p>space @mention-user<br/>
/just/a/path.bin<br/>
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
<a href="https://gitea.io/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="https://gitea.io/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="https://gitea.io/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="https://gitea.io/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="https://gitea.io/wiki/raw/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://gitea.io/wiki/raw/image.jpg" alt="local image"/></a><br/>
<a href="https://gitea.io/wiki/raw/path/file" target="_blank" rel="nofollow noopener"><img src="https://gitea.io/wiki/raw/path/file" alt="local image"/></a><br/>
@ -788,9 +788,9 @@ space</p>
Expected: `<p>space @mention-user<br/>
/just/a/path.bin<br/>
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/image.jpg" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/image.jpg" alt="local image"/></a><br/>
<a href="/relative/path/wiki/raw/path/file" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/path/file" alt="local image"/></a><br/>
@ -848,9 +848,9 @@ space</p>
Expected: `<p>space @mention-user<br/>
/just/a/path.bin<br/>
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/image.jpg" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/image.jpg" alt="local image"/></a><br/>
<a href="/relative/path/wiki/raw/path/file" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/path/file" alt="local image"/></a><br/>
@ -908,9 +908,9 @@ space</p>
Expected: `<p>space @mention-user<br/>
/just/a/path.bin<br/>
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/image.jpg" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/image.jpg" alt="local image"/></a><br/>
<a href="/relative/path/wiki/raw/path/file" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/path/file" alt="local image"/></a><br/>
@ -970,9 +970,9 @@ space</p>
Expected: `<p>space @mention-user<br/>
/just/a/path.bin<br/>
<a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/file.bin" rel="nofollow">local link</a><br/>
<a href="/relative/path/wiki/file.bin" rel="nofollow">local link</a><br/>
<a href="https://example.com" rel="nofollow">remote link</a><br/>
<a href="/relative/path/wiki/raw/image.jpg" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/image.jpg" alt="local image"/></a><br/>
<a href="/relative/path/wiki/raw/path/file" target="_blank" rel="nofollow noopener"><img src="/relative/path/wiki/raw/path/file" alt="local image"/></a><br/>