2017-02-25 16:00:54 +01:00
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package main
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import (
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"encoding/json"
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"html/template"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path"
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"strconv"
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"strings"
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"github.com/russross/blackfriday"
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)
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2017-02-25 16:05:03 +01:00
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func main() {
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if err := loadConfig(); err != nil {
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log.Fatal(`Failed to load config. ` + err.Error())
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}
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if err := updateTemplate(); err != nil {
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log.Fatal(`Failed to load template. ` + err.Error())
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}
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log.Fatal(http.ListenAndServe(":"+strconv.Itoa(config.Port), http.HandlerFunc(serveRequest)))
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}
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2017-02-25 16:00:54 +01:00
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var config struct {
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Port int `json:"port"`
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Template string `json:"template"`
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}
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2017-02-25 16:05:03 +01:00
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func loadConfig() error {
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2017-02-25 16:00:54 +01:00
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f, err := os.Open(`config.json`)
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if err != nil && !os.IsNotExist(err) {
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2017-02-25 16:05:03 +01:00
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return err
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2017-02-25 16:00:54 +01:00
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}
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// Set defaults
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config.Port = 80
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config.Template = `template.html`
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2017-02-25 16:05:03 +01:00
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if err != nil {
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return
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2017-02-25 16:00:54 +01:00
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}
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2017-02-25 16:05:03 +01:00
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err = json.NewDecoder(f).Decode(&config)
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if err != nil {
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return err
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2017-02-25 16:00:54 +01:00
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}
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}
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var t *template.Template
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func updateTemplate() error {
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var err error
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t, err = template.ParseFiles(config.Template)
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if err != nil {
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return err
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}
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return nil
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}
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func serveRequest(w http.ResponseWriter, r *http.Request) {
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if strings.HasPrefix(r.URL.Path, `/static/`) {
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p, _ := os.Getwd()
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p = path.Join(p, r.URL.Path)
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http.ServeFile(w, r, p)
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return
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}
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servePage(w, r)
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}
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func servePage(w http.ResponseWriter, r *http.Request) {
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p := `pages` + path.Clean(r.URL.Path)
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s, err := os.Stat(p)
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if err != nil {
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w.WriteHeader(404)
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return
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}
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if s.IsDir() {
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if p[len(p)-1] != '/' {
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p += `/`
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}
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p += `index`
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}
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c, err := ioutil.ReadFile(p + `.md`)
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if err != nil {
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w.WriteHeader(404)
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return
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}
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t.Execute(w, template.HTML(blackfriday.MarkdownCommon(c)))
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}
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