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gitea/modules/markup/orgmode/orgmode.go
zeripath 0823791d17 Recover panic in orgmode.Render if bad orgfile (#4982) (#5903)
This PR protects against the panic referred to in chaseadmsio/goorgeous#82
by recovering from the panic and just returning the raw bytes if
there is an error.

Signed-off-by: Andrew Thornton <art27@cantab.net>
2019-01-30 17:17:43 -05:00

63 lines
1.7 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package markup
import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
"github.com/chaseadamsio/goorgeous"
"github.com/russross/blackfriday"
)
func init() {
markup.RegisterParser(Parser{})
}
// Parser implements markup.Parser for orgmode
type Parser struct {
}
// Name implements markup.Parser
func (Parser) Name() string {
return "orgmode"
}
// Extensions implements markup.Parser
func (Parser) Extensions() []string {
return []string{".org"}
}
// Render renders orgmode rawbytes to HTML
func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) (result []byte) {
defer func() {
if err := recover(); err != nil {
log.Error(4, "Panic in orgmode.Render: %v Just returning the rawBytes", err)
result = rawBytes
}
}()
htmlFlags := blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_SKIP_STYLE
htmlFlags |= blackfriday.HTML_OMIT_CONTENTS
renderer := &markdown.Renderer{
Renderer: blackfriday.HtmlRenderer(htmlFlags, "", ""),
URLPrefix: urlPrefix,
IsWiki: isWiki,
}
result = goorgeous.Org(rawBytes, renderer)
return
}
// RenderString reners orgmode string to HTML string
func RenderString(rawContent string, urlPrefix string, metas map[string]string, isWiki bool) string {
return string(Render([]byte(rawContent), urlPrefix, metas, isWiki))
}
// Render implements markup.Parser
func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
return Render(rawBytes, urlPrefix, metas, isWiki)
}