mirror of
https://github.com/go-gitea/gitea
synced 2024-12-23 09:34:34 +01:00
resolve relative path in markdown file
This commit is contained in:
parent
45a6444b1e
commit
4249cec68c
2 changed files with 70 additions and 23 deletions
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@ -5,35 +5,78 @@
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package base
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package base
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import (
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import (
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"github.com/slene/blackfriday"
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"bytes"
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"path"
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"github.com/gogits/gfm"
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)
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)
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func RenderMarkdown(rawBytes []byte) []byte {
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func isletter(c byte) bool {
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return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
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}
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func isalnum(c byte) bool {
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return (c >= '0' && c <= '9') || isletter(c)
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}
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var validLinks = [][]byte{[]byte("http://"), []byte("https://"), []byte("ftp://"), []byte("mailto://")}
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func isLink(link []byte) bool {
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for _, prefix := range validLinks {
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if len(link) > len(prefix) && bytes.Equal(bytes.ToLower(link[:len(prefix)]), prefix) && isalnum(link[len(prefix)]) {
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return true
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}
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}
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return false
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}
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type CustomRender struct {
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gfm.Renderer
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urlPrefix string
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}
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func (options *CustomRender) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) {
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if len(link) > 0 && !isLink(link) {
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if link[0] == '#' {
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link = append([]byte(options.urlPrefix), link...)
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} else {
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link = []byte(path.Join(options.urlPrefix, string(link)))
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}
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}
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options.Renderer.Link(out, link, title, content)
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}
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func RenderMarkdown(rawBytes []byte, urlPrefix string) []byte {
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htmlFlags := 0
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htmlFlags := 0
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htmlFlags |= blackfriday.HTML_USE_XHTML
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htmlFlags |= gfm.HTML_USE_XHTML
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// htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
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// htmlFlags |= gfm.HTML_USE_SMARTYPANTS
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// htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
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// htmlFlags |= gfm.HTML_SMARTYPANTS_FRACTIONS
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// htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
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// htmlFlags |= gfm.HTML_SMARTYPANTS_LATEX_DASHES
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htmlFlags |= blackfriday.HTML_SKIP_HTML
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htmlFlags |= gfm.HTML_SKIP_HTML
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htmlFlags |= blackfriday.HTML_SKIP_STYLE
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htmlFlags |= gfm.HTML_SKIP_STYLE
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htmlFlags |= blackfriday.HTML_SKIP_SCRIPT
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htmlFlags |= gfm.HTML_SKIP_SCRIPT
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htmlFlags |= blackfriday.HTML_GITHUB_BLOCKCODE
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htmlFlags |= gfm.HTML_GITHUB_BLOCKCODE
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htmlFlags |= blackfriday.HTML_OMIT_CONTENTS
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htmlFlags |= gfm.HTML_OMIT_CONTENTS
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htmlFlags |= blackfriday.HTML_COMPLETE_PAGE
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htmlFlags |= gfm.HTML_COMPLETE_PAGE
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renderer := blackfriday.HtmlRenderer(htmlFlags, "", "")
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renderer := &CustomRender{
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Renderer: gfm.HtmlRenderer(htmlFlags, "", ""),
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urlPrefix: urlPrefix,
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}
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// set up the parser
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// set up the parser
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extensions := 0
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extensions := 0
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extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS
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extensions |= gfm.EXTENSION_NO_INTRA_EMPHASIS
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extensions |= blackfriday.EXTENSION_TABLES
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extensions |= gfm.EXTENSION_TABLES
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extensions |= blackfriday.EXTENSION_FENCED_CODE
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extensions |= gfm.EXTENSION_FENCED_CODE
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extensions |= blackfriday.EXTENSION_AUTOLINK
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extensions |= gfm.EXTENSION_AUTOLINK
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extensions |= blackfriday.EXTENSION_STRIKETHROUGH
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extensions |= gfm.EXTENSION_STRIKETHROUGH
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extensions |= blackfriday.EXTENSION_HARD_LINE_BREAK
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extensions |= gfm.EXTENSION_HARD_LINE_BREAK
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extensions |= blackfriday.EXTENSION_SPACE_HEADERS
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extensions |= gfm.EXTENSION_SPACE_HEADERS
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extensions |= blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK
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extensions |= gfm.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK
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body := blackfriday.Markdown(rawBytes, renderer, extensions)
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body := gfm.Markdown(rawBytes, renderer, extensions)
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return body
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return body
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}
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}
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@ -104,7 +104,11 @@ func Single(ctx *middleware.Context, params martini.Params) {
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} else if blob, err := readmeFile.LookupBlob(); err != nil {
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} else if blob, err := readmeFile.LookupBlob(); err != nil {
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ctx.Data["FileIsLarge"] = true
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ctx.Data["FileIsLarge"] = true
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} else {
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} else {
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ctx.Data["ReadmeContent"] = string(base.RenderMarkdown(blob.Contents()))
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// current repo branch link
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urlPrefix := "http://" + base.Domain + "/" + ctx.Repo.Owner.LowerName + "/" +
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ctx.Repo.Repository.Name + "/blob/" + params["branchname"]
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ctx.Data["ReadmeContent"] = string(base.RenderMarkdown(blob.Contents(), urlPrefix))
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}
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}
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}
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}
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