mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-23 22:27:38 -05:00
baf6db5b57
I am not a lawyer, but according to the appendix of the license, these boilerplate notices should be included with every source file.
106 lines
2.8 KiB
Go
106 lines
2.8 KiB
Go
// Copyright 2015 Light Code Labs, LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package markdown
|
|
|
|
import (
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
"github.com/mholt/caddy/caddyhttp/httpserver"
|
|
"github.com/mholt/caddy/caddyhttp/markdown/metadata"
|
|
"github.com/mholt/caddy/caddyhttp/markdown/summary"
|
|
"github.com/russross/blackfriday"
|
|
)
|
|
|
|
// FileInfo represents a file in a particular server context. It wraps the os.FileInfo struct.
|
|
type FileInfo struct {
|
|
os.FileInfo
|
|
ctx httpserver.Context
|
|
}
|
|
|
|
var recognizedMetaTags = []string{
|
|
"author",
|
|
"copyright",
|
|
"description",
|
|
"subject",
|
|
}
|
|
|
|
// Summarize returns an abbreviated string representation of the markdown stored in this file.
|
|
// wordcount is the number of words returned in the summary.
|
|
func (f FileInfo) Summarize(wordcount int) (string, error) {
|
|
fp, err := f.ctx.Root.Open(f.Name())
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer fp.Close()
|
|
|
|
buf, err := ioutil.ReadAll(fp)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return string(summary.Markdown(buf, wordcount)), nil
|
|
}
|
|
|
|
// Markdown processes the contents of a page in b. It parses the metadata
|
|
// (if any) and uses the template (if found).
|
|
func (c *Config) Markdown(title string, r io.Reader, dirents []os.FileInfo, ctx httpserver.Context) ([]byte, error) {
|
|
body, err := ioutil.ReadAll(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
parser := metadata.GetParser(body)
|
|
markdown := parser.Markdown()
|
|
mdata := parser.Metadata()
|
|
|
|
// process markdown
|
|
extns := 0
|
|
extns |= blackfriday.EXTENSION_TABLES
|
|
extns |= blackfriday.EXTENSION_FENCED_CODE
|
|
extns |= blackfriday.EXTENSION_STRIKETHROUGH
|
|
extns |= blackfriday.EXTENSION_DEFINITION_LISTS
|
|
html := blackfriday.Markdown(markdown, c.Renderer, extns)
|
|
|
|
// set it as body for template
|
|
mdata.Variables["body"] = string(html)
|
|
|
|
// fixup title
|
|
mdata.Variables["title"] = mdata.Title
|
|
if mdata.Variables["title"] == "" {
|
|
mdata.Variables["title"] = title
|
|
}
|
|
|
|
// move available and valid front matters to the meta values
|
|
meta := make(map[string]string)
|
|
for _, val := range recognizedMetaTags {
|
|
if mVal, ok := mdata.Variables[val]; ok {
|
|
meta[val] = mVal.(string)
|
|
}
|
|
}
|
|
|
|
// massage possible files
|
|
files := []FileInfo{}
|
|
for _, ent := range dirents {
|
|
file := FileInfo{
|
|
FileInfo: ent,
|
|
ctx: ctx,
|
|
}
|
|
files = append(files, file)
|
|
}
|
|
|
|
return execTemplate(c, mdata, meta, files, ctx)
|
|
}
|