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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>
This commit is contained in:
zeripath 2019-01-30 22:17:43 +00:00 committed by techknowlogick
parent ca00ca8ee4
commit 0823791d17
1 changed files with 10 additions and 4 deletions
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14
modules/markup/orgmode/orgmode.go
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@ -5,6 +5,7 @@
package markup package markup
import ( import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup" "code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown" "code.gitea.io/gitea/modules/markup/markdown"
@ -31,7 +32,13 @@ func (Parser) Extensions() []string {
} }
// Render renders orgmode rawbytes to HTML // Render renders orgmode rawbytes to HTML
func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte { 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_USE_XHTML
htmlFlags |= blackfriday.HTML_SKIP_STYLE htmlFlags |= blackfriday.HTML_SKIP_STYLE
htmlFlags |= blackfriday.HTML_OMIT_CONTENTS htmlFlags |= blackfriday.HTML_OMIT_CONTENTS
@ -40,9 +47,8 @@ func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki b
URLPrefix: urlPrefix, URLPrefix: urlPrefix,
IsWiki: isWiki, IsWiki: isWiki,
} }
result = goorgeous.Org(rawBytes, renderer)
result := goorgeous.Org(rawBytes, renderer) return
return result
} }
// RenderString reners orgmode string to HTML string // RenderString reners orgmode string to HTML string