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package main
import (
"context"
"flag"
"fmt"
"log"
"log/slog"
"net"
"net/http"
"os"
"path/filepath"
"github.com/donatj/hmacsig"
"github.com/facebookgo/flagenv"
"github.com/go-git/go-git/v5"
_ "github.com/joho/godotenv/autoload"
"tailscale.com/hostinfo"
"tailscale.com/tsnet"
"tailscale.com/tsweb"
"xeiaso.net/v4/internal"
"xeiaso.net/v4/internal/lume"
)
var (
bind = flag.String("bind", ":3000", "Port to listen on")
devel = flag.Bool("devel", false, "Enable development mode")
dataDir = flag.String("data-dir", "./var", "Directory to store data in")
gitBranch = flag.String("git-branch", "main", "Git branch to clone")
gitRepo = flag.String("git-repo", "https://github.com/Xe/site", "Git repository to clone")
githubSecret = flag.String("github-secret", "", "GitHub secret to use for webhooks")
miToken = flag.String("mi-token", "", "Token to use for the mi API")
patreonSaasProxyURL = flag.String("patreon-saasproxy-url", "http://patreon-saasproxy/give-token", "URL to use for the patreon saasproxy")
siteURL = flag.String("site-url", "https://xeiaso.net/", "URL to use for the site")
tsnetHostname = flag.String("tailscale-hostname", "xesite", "Tailscale hostname to use")
)
func main() {
flagenv.Parse()
flag.Parse()
internal.Slog()
hostinfo.SetApp("xeiaso.net/v4/cmd/xesite")
ctx := context.Background()
ln, err := net.Listen("tcp", *bind)
if err != nil {
log.Fatal(err)
}
os.MkdirAll(*dataDir, 0700)
os.MkdirAll(filepath.Join(*dataDir, "tsnet"), 0700)
srv := &tsnet.Server{
Hostname: *tsnetHostname + "-" + os.Getenv("FLY_REGION"),
Logf: func(string, ...any) {},
Dir: filepath.Join(*dataDir, "tsnet"),
}
if err := srv.Start(); err != nil {
log.Fatal(err)
}
if _, err := srv.Up(context.Background()); err != nil {
log.Fatal(err)
}
hc := srv.HTTPClient()
pc, err := NewPatreonClient(hc)
if err != nil {
slog.Error("can't create patreon client", "err", err)
}
fs, err := lume.New(ctx, &lume.Options{
Branch: *gitBranch,
Repo: *gitRepo,
StaticSiteDir: "lume",
URL: *siteURL,
Development: *devel,
PatreonClient: pc,
DataDir: *dataDir,
MiToken: *miToken,
})
if err != nil {
log.Fatal(err)
}
defer fs.Close()
if err != nil {
log.Fatal(err)
}
mux := http.NewServeMux()
mux.Handle("/", http.FileServer(http.FS(fs)))
mux.HandleFunc("/metrics", tsweb.VarzHandler)
mux.HandleFunc("/blog.atom", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/blog.rss", http.StatusMovedPermanently)
})
// NOTE(Xe): Had to rename this page because of a Lume/Go embed bug.
mux.HandleFunc(`/blog/%F0%9F%A5%BA`, func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/blog/xn--ts9h/", http.StatusMovedPermanently)
})
mux.HandleFunc(`/blog/🥺`, func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/blog/xn--ts9h/", http.StatusMovedPermanently)
})
mux.HandleFunc("/static/manifest.json", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/static/site.webmanifest", http.StatusMovedPermanently)
})
if *devel {
mux.HandleFunc("/.within/hook/github", func(w http.ResponseWriter, r *http.Request) {
if err := fs.Update(r.Context()); err != nil {
if err == git.NoErrAlreadyUpToDate {
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, "already up to date")
return
}
log.Println(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
} else {
gh := &GitHubWebhook{fs: fs}
s := hmacsig.Handler256(gh, *githubSecret)
mux.Handle("/.within/hook/github", s)
}
mux.Handle("/.within/hook/patreon", &PatreonWebhook{fs: fs})
var h http.Handler = mux
h = internal.ClackSet(fs.Clacks()).Middleware(h)
h = internal.CacheHeader(h)
slog.Info("starting server", "bind", *bind)
log.Fatal(http.Serve(ln, h))
}
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