main.go
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package main
import (
"html/template"
"log"
"net/http"
"os"
"io"
"path/filepath"
"strings"
"bytes"
"git.j3s.sh/j3s.sh/feed"
"github.com/SlyMarbo/rss"
"filippo.io/age"
"filippo.io/age/armor"
)
// templateData is a mega-struct that gets
// passed to every single template - put whatever
// you want in it tbh.
//
// "data" is a global object that contains arbitrary
// data for use in templates. it's useful for it to be
// global since it may need to be available in arbitrary
// contexts. maybe that sucks. but idfk!
type templateData struct {
FriendFeeds []rss.Feed
}
var data templateData
// the populate function populates the global "data" variable
// with ... data. with which to pass into templates.
func (t *templateData) populate() {
t.FriendFeeds = feed.FetchFriendFeeds()
}
func main() {
data.populate()
fs := http.FileServer(http.Dir("./static"))
http.Handle("/static/", http.StripPrefix("/static/", fs))
http.HandleFunc("/age.html", serveAge)
http.HandleFunc("/review/", babyHandler)
http.HandleFunc("/thought/", babyHandler)
http.HandleFunc("/", serveTemplate)
log.Println("listening on :4666 tbh")
err := http.ListenAndServe(":4666", nil)
if err != nil {
log.Fatal(err)
}
}
func serveTemplate(w http.ResponseWriter, r *http.Request) {
lp := filepath.Join("templates", "layout.html")
if r.URL.Path == "/" {
r.URL.Path = "index.html"
// TODO: add some arbitrary refresh handler for fetchFriendPosts
}
fp := filepath.Join("templates", filepath.Clean(r.URL.Path))
info, err := os.Stat(fp)
if err != nil {
if os.IsNotExist(err) {
http.NotFound(w, r)
return
}
}
if info.IsDir() {
http.NotFound(w, r)
return
}
tmpl, err := template.ParseFiles(lp, fp)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
err = tmpl.ExecuteTemplate(w, "layout", data)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
}
}
func babyHandler(w http.ResponseWriter, r *http.Request) {
lp := filepath.Join("templates", "simple-layout.html")
fp := filepath.Join(strings.TrimPrefix(filepath.Clean(r.URL.Path), "/"))
info, err := os.Stat(fp)
if err != nil {
if os.IsNotExist(err) {
http.NotFound(w, r)
return
}
}
if info.IsDir() {
http.NotFound(w, r)
return
}
content, err := os.ReadFile(fp)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
tmpl, err := template.ParseFiles(lp)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
err = tmpl.ExecuteTemplate(w, "simple-layout", string(content))
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
}
}
type AgeForm struct {
Success bool
PublicKey string
Message string
}
func serveAge(w http.ResponseWriter, r *http.Request) {
lp := filepath.Join("templates", "layout.html")
fp := filepath.Join("templates", "age.html")
tmpl, err := template.ParseFiles(lp, fp)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
if r.Method != http.MethodPost {
tmpl.ExecuteTemplate(w, "layout", nil)
return
}
formdeets := AgeForm{
PublicKey: r.FormValue("pubkey"),
Message: r.FormValue("message"),
}
recipient, err := age.ParseX25519Recipient(formdeets.PublicKey)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
buf := &bytes.Buffer{}
armorWriter := armor.NewWriter(buf)
write, err := age.Encrypt(armorWriter, recipient)
if err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
if _, err := io.WriteString(write, formdeets.Message); err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
if err := write.Close(); err != nil {
log.Println(err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
if err := armorWriter.Close(); err != nil {
log.Fatalf("Failed to close armor: %v", err)
}
log.Printf("%+v", buf)
tmpl.ExecuteTemplate(w, "layout", buf.String())
}