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Allow render HTML with css/js external links (#19017)

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* Allow render HTML with css/js external links

* Fix bug because of filename escape chars

* Fix lint

* Update docs about new configuration item

* Fix bug of render HTML in sub directory

* Add CSP head for displaying iframe in rendering file

* Fix test

* Apply suggestions from code review

Co-authored-by: delvh <dev.lh@web.de>

* Some improvements

* some improvement

* revert change in SanitizerDisabled of external renderer

* Add sandbox for iframe and support allow-scripts and allow-same-origin

* refactor

* fix

* fix lint

* fine tune

* use single option RENDER_CONTENT_MODE, use sandbox=allow-scripts

* fine tune CSP

* Apply suggestions from code review

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Lunny Xiao 2022-06-16 11:33:23 +08:00 • committed by GitHub
parent 7d1770cd71
commit b01dce2a6e
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GPG key ID: 4AEE18F83AFDEB23
17 changed files with 248 additions and 93 deletions
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12
modules/markup/external/external.go vendored
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@ -34,6 +34,11 @@ type Renderer struct {
*setting.MarkupRenderer
}
var (
_ markup.PostProcessRenderer = (*Renderer)(nil)
_ markup.ExternalRenderer = (*Renderer)(nil)
)
// Name returns the external tool name
func (p *Renderer) Name() string {
return p.MarkupName
@ -56,7 +61,12 @@ func (p *Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
// SanitizerDisabled disabled sanitize if return true
func (p *Renderer) SanitizerDisabled() bool {
return p.DisableSanitizer
return p.RenderContentMode == setting.RenderContentModeNoSanitizer || p.RenderContentMode == setting.RenderContentModeIframe
}
// DisplayInIFrame represents whether render the content with an iframe
func (p *Renderer) DisplayInIFrame() bool {
return p.RenderContentMode == setting.RenderContentModeIframe
}
func envMark(envName string) string {