Fix relative links in postprocessed images (#16334) (#16340)

* Fix relative links in postprocessed images (#16334)

If a pre-post-processed file contains relative img tags these need to be updated
and joined correctly with the prefix. Finally, the node attributes need to be updated.

Fix #16308

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
zeripath 2021-07-04 15:28:29 +01:00 committed by GitHub
parent 50084daa4c
commit c65e49d72f
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2 changed files with 28 additions and 1 deletions

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@ -384,6 +384,32 @@ func TestRender_ShortLinks(t *testing.T) {
`<p><a href="https://example.org" rel="nofollow">[[foobar]]</a></p>`)
}
func TestRender_RelativeImages(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
tree := util.URLJoin(AppSubURL, "src", "master")
test := func(input, expected, expectedWiki string) {
buffer := markdown.RenderString(input, tree, localMetas)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
buffer = markdown.RenderWiki([]byte(input), setting.AppSubURL, localMetas)
assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(buffer))
}
rawwiki := util.URLJoin(AppSubURL, "wiki", "raw")
mediatree := util.URLJoin(AppSubURL, "media", "master")
test(
`<img src="Link">`,
`<img src="`+util.URLJoin(mediatree, "Link")+`"/>`,
`<img src="`+util.URLJoin(rawwiki, "Link")+`"/>`)
test(
`<img src="./icon.png">`,
`<img src="`+util.URLJoin(mediatree, "icon.png")+`"/>`,
`<img src="`+util.URLJoin(rawwiki, "icon.png")+`"/>`)
}
func Test_ParseClusterFuzz(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL