nune/gitea
nune/gitea
0
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

Refactor markup render system (#32533)

Browse source 
Remove unmaintainable sanitizer rules. No need to add special "class"
regexp rules anymore, use RenderInternal.SafeAttr instead, more details
(and examples) are in the tests
This commit is contained in:
wxiaoguang 2024-11-18 13:25:42 +08:00 • committed by GitHub
parent 4f879a00df
commit 8a20fba8eb
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
42 changed files with 568 additions and 508 deletions
Download patch file Download diff file Expand all files Collapse all files

10
modules/markup/sanitizer_custom.go
View file

@ -4,6 +4,9 @@
package markup
import (
"regexp"
"strings"
"code.gitea.io/gitea/modules/setting"
"github.com/microcosm-cc/bluemonday"
@ -15,8 +18,11 @@ func (st *Sanitizer) addSanitizerRules(policy *bluemonday.Policy, rules []settin
policy.AllowDataURIImages()
}
if rule.Element != "" {
if rule.Regexp != nil {
policy.AllowAttrs(rule.AllowAttr).Matching(rule.Regexp).OnElements(rule.Element)
if rule.Regexp != "" {
if !strings.HasPrefix(rule.Regexp, "^") || !strings.HasSuffix(rule.Regexp, "$") {
panic("Markup sanitizer rule regexp must start with ^ and end with $ to be strict")
}
policy.AllowAttrs(rule.AllowAttr).Matching(regexp.MustCompile(rule.Regexp)).OnElements(rule.Element)
} else {
policy.AllowAttrs(rule.AllowAttr).OnElements(rule.Element)
}