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package main
import (
"encoding/xml"
"net/http"
"os"
"strconv"
"text/template"
"strings"
"path/filepath"
img "image"
)
type Enclosure struct {
Url string `xml:"url,attr"`
}
func (e *Enclosure) BaseName() string {
index := strings.LastIndex(e.Url, "/")
if index == -1 {
return ""
}
return e.Url[index+1:]
}
func (e *Enclosure) ImageSize() (img.Point) {
filename := "./enclosures" + e.BaseName()
f, err := os.Open(filename)
if err != nil {
return img.Point{}
}
i, _, err := img.Decode(f)
if err != nil {
return img.Point{}
}
return i.Bounds().Max
}
type Item struct {
XMLName xml.Name `xml:"item"`
Enclosure Enclosure `xml:"enclosure"`
Title string `xml:"title"`
Description string `xml:"description"`
PubDate string `xml:"pubDate"`
Link string `xml:"link"`
}
type Channel struct {
Items []Item `xml:"item"`
}
type Rss struct {
XMLName xml.Name `xml:"rss"`
Channel Channel `xml:"channel"`
}
var rss Rss
func index(w http.ResponseWriter, r *http.Request) {
t, _ := template.ParseFiles("./html/feldküche.html")
t.Execute(w, nil)
}
func posts(w http.ResponseWriter, r *http.Request) {
offset, _ := strconv.Atoi(r.URL.Path[len("/posts/"):])
t, _ := template.ParseFiles("./html/feldküche_posts.html")
p := rss.Channel.Items[offset*10 : offset*10+10]
t.Execute(w, p)
}
func image(w http.ResponseWriter, r *http.Request) {
// TODO: Is this secure?
filename := r.URL.Path[len("/image/"):]
basename := filepath.Base(filepath.Clean(filename));
if basename == "." {
return
}
http.ServeFile(w, r, "./enclosures/" + basename)
}
func main() {
file, _ := os.Open("backup.rss")
decoder := xml.NewDecoder(file)
decoder.Decode(&rss)
http.HandleFunc("/posts/", posts)
http.HandleFunc("/image/", image)
http.HandleFunc("/", index)
http.ListenAndServe(":8080", nil)
}
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