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Fix external render (#35727)

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Fix #35725

---------

Signed-off-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
wxiaoguang
2025-10-23 07:41:38 +08:00
committed by GitHub
parent 08b9776970
commit 195fc715ff
7 changed files with 120 additions and 52 deletions
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7
modules/markup/external/external.go vendored
View File

@@ -15,6 +15,8 @@ import (
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/setting"
"github.com/kballard/go-shellquote"
)
// RegisterRenderers registers all supported third part renderers according settings
@@ -81,7 +83,10 @@ func (p *Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.
envMark("GITEA_PREFIX_SRC"), baseLinkSrc,
envMark("GITEA_PREFIX_RAW"), baseLinkRaw,
).Replace(p.Command)
commands := strings.Fields(command)
commands, err := shellquote.Split(command)
if err != nil || len(commands) == 0 {
return fmt.Errorf("%s invalid command %q: %w", p.Name(), p.Command, err)
}
args := commands[1:]
if p.IsInputFile {

48
modules/markup/render.go
View File

@@ -120,31 +120,38 @@ func (ctx *RenderContext) WithHelper(helper RenderHelper) *RenderContext {
return ctx
}
// Render renders markup file to HTML with all specific handling stuff.
func Render(ctx *RenderContext, input io.Reader, output io.Writer) error {
// FindRendererByContext finds renderer by RenderContext
// TODO: it should be merged with other similar functions like GetRendererByFileName, DetectMarkupTypeByFileName, etc
func FindRendererByContext(ctx *RenderContext) (Renderer, error) {
if ctx.RenderOptions.MarkupType == "" && ctx.RenderOptions.RelativePath != "" {
ctx.RenderOptions.MarkupType = DetectMarkupTypeByFileName(ctx.RenderOptions.RelativePath)
if ctx.RenderOptions.MarkupType == "" {
return util.NewInvalidArgumentErrorf("unsupported file to render: %q", ctx.RenderOptions.RelativePath)
return nil, util.NewInvalidArgumentErrorf("unsupported file to render: %q", ctx.RenderOptions.RelativePath)
}
}
renderer := renderers[ctx.RenderOptions.MarkupType]
if renderer == nil {
return util.NewInvalidArgumentErrorf("unsupported markup type: %q", ctx.RenderOptions.MarkupType)
return nil, util.NewNotExistErrorf("unsupported markup type: %q", ctx.RenderOptions.MarkupType)
}
if ctx.RenderOptions.RelativePath != "" {
if externalRender, ok := renderer.(ExternalRenderer); ok && externalRender.DisplayInIFrame() {
if !ctx.RenderOptions.InStandalonePage {
// for an external "DisplayInIFrame" render, it could only output its content in a standalone page
// otherwise, a <iframe> should be outputted to embed the external rendered page
return renderIFrame(ctx, output)
}
}
}
return renderer, nil
}
return render(ctx, renderer, input, output)
func RendererNeedPostProcess(renderer Renderer) bool {
if r, ok := renderer.(PostProcessRenderer); ok && r.NeedPostProcess() {
return true
}
return false
}
// Render renders markup file to HTML with all specific handling stuff.
func Render(ctx *RenderContext, input io.Reader, output io.Writer) error {
renderer, err := FindRendererByContext(ctx)
if err != nil {
return err
}
return RenderWithRenderer(ctx, renderer, input, output)
}
// RenderString renders Markup string to HTML with all specific handling stuff and return string
@@ -185,7 +192,16 @@ func pipes() (io.ReadCloser, io.WriteCloser, func()) {
}
}
func render(ctx *RenderContext, renderer Renderer, input io.Reader, output io.Writer) error {
func RenderWithRenderer(ctx *RenderContext, renderer Renderer, input io.Reader, output io.Writer) error {
if externalRender, ok := renderer.(ExternalRenderer); ok && externalRender.DisplayInIFrame() {
if !ctx.RenderOptions.InStandalonePage {
// for an external "DisplayInIFrame" render, it could only output its content in a standalone page
// otherwise, a <iframe> should be outputted to embed the external rendered page
return renderIFrame(ctx, output)
}
// else: this is a standalone page, fallthrough to the real rendering
}
ctx.usedByRender = true
if ctx.RenderHelper != nil {
defer ctx.RenderHelper.CleanUp()
@@ -214,7 +230,7 @@ func render(ctx *RenderContext, renderer Renderer, input io.Reader, output io.Wr
}
eg.Go(func() (err error) {
if r, ok := renderer.(PostProcessRenderer); ok && r.NeedPostProcess() {
if RendererNeedPostProcess(renderer) {
err = PostProcessDefault(ctx, pr1, pw2)
} else {
_, err = io.Copy(pw2, pr1)