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feat: embed html templates

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Ruidy 2025-09-19 23:25:15 +02:00
parent 31963497d7
commit 2ff7bc57be
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GPG key ID: 705C24D202990805
5 changed files with 68 additions and 30 deletions
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64
cmd/server/main.go
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@ -1,44 +1,56 @@
package main
import (
"html/template"
"log"
"net/http"
"github.com/rjnemo/auth/web"
)
var loggedIn = false
var (
loggedIn = false
templates = template.Must(template.ParseFS(web.Templates, "templates/index.html", "templates/in.html", "templates/unauthorized.html"))
)
func main() {
mux := http.NewServeMux()
mux.HandleFunc("GET /", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, "index.html")
})
mux.HandleFunc("GET /", handleIndex)
mux.HandleFunc("GET /in", handleIn)
mux.HandleFunc("POST /login", handleLogin)
mux.HandleFunc("GET /in", func(w http.ResponseWriter, r *http.Request) {
if loggedIn {
http.ServeFile(w, r, "in.html")
} else {
w.Header().Add("Content-Type", "text/html")
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(`
<head>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css" />
</head>
<body>
<main class="container">
<h1>Unauthorized</h1> <a href='/' role='button'> Back to safety </a>
</main>
</body>
`))
log.Println("Starting server on http://localhost:8000")
if err := http.ListenAndServe(":8000", mux); err != nil {
log.Fatalf("listen: %v", err)
}
}
})
mux.HandleFunc("POST /login", func(w http.ResponseWriter, r *http.Request) {
func handleIndex(w http.ResponseWriter, r *http.Request) {
err := templates.ExecuteTemplate(w, "index.html", nil)
if err != nil {
http.Error(w, "template render failed", http.StatusInternalServerError)
}
}
func handleIn(w http.ResponseWriter, r *http.Request) {
if !loggedIn {
w.WriteHeader(http.StatusUnauthorized)
err := templates.ExecuteTemplate(w, "unauthorized.html", nil)
if err != nil {
http.Error(w, "template render failed", http.StatusInternalServerError)
}
return
}
err := templates.ExecuteTemplate(w, "in.html", nil)
if err != nil {
http.Error(w, "template render failed", http.StatusInternalServerError)
}
}
func handleLogin(w http.ResponseWriter, r *http.Request) {
log.Println("Login request received")
loggedIn = true
http.Redirect(w, r, "/in", http.StatusSeeOther)
})
log.Println("Starting server on http://localhost:8000")
http.ListenAndServe(":8000", mux)
}

8
web/embed.go Normal file
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@ -0,0 +1,8 @@
package web
import "embed"
// Templates holds the embedded HTML templates.
//
//go:embed templates/*.html
var Templates embed.FS

0
in.html → web/templates/in.html
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0
index.html → web/templates/index.html
View file

18
web/templates/unauthorized.html Normal file
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@ -0,0 +1,18 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>auth test</title>
<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css"
/>
</head>
<body>
<main class="container">
<h1>Unauthorized</h1>
<a href="/" role="button">Back to safety</a>
</main>
</body>
</html>