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@ -0,0 +1,81 @@
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package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"strings"
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gfm "github.com/shurcooL/github_flavored_markdown"
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"github.com/shurcooL/github_flavored_markdown/gfmstyle"
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//blackfriday "gopkg.in/russross/blackfriday.v2"
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)
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const HTML_HEADER = `<!doctype html5>
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<html>
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<head>
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<meta charset=utf-8>
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<title>%s | %s</title>
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<link href=/gfm/gfm.css media=all rel=stylesheet type=text/css></link>
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<link href=/main.css media=all rel=stylesheet type=text/css></link>
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</head>
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<body>
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<article class="markdown-body entry-content" style="padding:2em;">
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`
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const HTML_FOOTER = ` </article>
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</body>
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</html>`
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func serveMarkdown(w http.ResponseWriter, r *http.Request, path string) {
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if b, err := ioutil.ReadFile(path); err != nil {
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w.WriteHeader(404)
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w.Write([]byte(fmt.Sprintf("file %s not found", path)))
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return
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} else {
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w.Header().Add("Content-Type", "text/html; charset=utf-8")
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title := ""
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if s := bytes.Index(b, []byte("# ")); s != -1 {
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t := b[s+2:]
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if e := bytes.Index(t, []byte("\n")); e != -1 {
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t = t[:e]
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title = string(t)
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}
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}
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w.Write([]byte(fmt.Sprintf(HTML_HEADER, string(title), r.Host)))
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html := gfm.Markdown(b)
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w.Write(html)
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w.Write([]byte(HTML_FOOTER))
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}
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}
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func rootHandler(w http.ResponseWriter, r *http.Request) {
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if r.Method == "GET" {
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if r.URL.Path == "/" {
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serveMarkdown(w, r, "static/README.md")
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} else if strings.HasSuffix(r.URL.Path, ".md") {
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if strings.Contains(r.URL.Path, "..") {
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w.WriteHeader(403)
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w.Write([]byte("\"..\" forbidden in URL"))
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return
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}
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filepath := "static" + r.URL.Path
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serveMarkdown(w, r, filepath)
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} else {
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http.ServeFile(w, r, "static"+r.URL.Path)
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}
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} else {
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w.Write([]byte("unimplemented!"))
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}
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}
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func main() {
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log.Print("installing handlers")
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http.HandleFunc("/", rootHandler)
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http.Handle("/gfm/", http.StripPrefix("/gfm", http.FileServer(gfmstyle.Assets)))
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http.HandleFunc("/main.css", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "main.css") })
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log.Print("starting server")
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log.Fatal(http.ListenAndServe(":80", nil))
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}
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