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Use real environment variables for template rendering

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This commit is contained in:
Ian Gulliver
2025-12-28 22:39:06 -08:00
parent 3422f90b52
commit c80dc1a2c5
2 changed files with 32 additions and 44 deletions
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34
main.go
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@@ -1,7 +1,6 @@
package main
import (
"bufio"
"context"
"encoding/json"
"html/template"
@@ -14,26 +13,9 @@ import (
"google.golang.org/api/idtoken"
)
var (
env = map[string]string{}
templates *template.Template
)
var templates *template.Template
func init() {
f, err := os.Open("secrets.env")
if err != nil {
log.Fatal("[ERROR] failed to open secrets.env: ", err)
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
if parts := strings.SplitN(line, "=", 2); len(parts) == 2 {
env[parts[0]] = parts[1]
}
}
templates = template.Must(template.ParseGlob("static/*.html"))
}
@@ -60,13 +42,23 @@ func handleStatic(w http.ResponseWriter, r *http.Request) {
return
}
w.Header().Set("Content-Type", "text/html")
t.Execute(w, env)
t.Execute(w, envMap())
return
}
http.ServeFile(w, r, filepath.Join("static", name))
}
func envMap() map[string]string {
m := map[string]string{}
for _, e := range os.Environ() {
if parts := strings.SplitN(e, "=", 2); len(parts) == 2 {
m[parts[0]] = parts[1]
}
}
return m
}
func handleGoogleCallback(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
@@ -79,7 +71,7 @@ func handleGoogleCallback(w http.ResponseWriter, r *http.Request) {
return
}
payload, err := idtoken.Validate(context.Background(), credential, env["GOOGLE_CLIENT_ID"])
payload, err := idtoken.Validate(context.Background(), credential, os.Getenv("GOOGLE_CLIENT_ID"))
if err != nil {
log.Println("[ERROR] failed to validate token:", err)
http.Error(w, "invalid token", http.StatusUnauthorized)

42
static/index.html
View File

@@ -4,42 +4,38 @@
<script>document.documentElement.className = window.matchMedia('(prefers-color-scheme: dark)').matches ? 'wa-dark' : 'wa-light';</script>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tickets App</title>
<title>HCA Tickets</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@awesome.me/webawesome@3/dist-cdn/styles/themes/default.css">
<script type="module" src="https://cdn.jsdelivr.net/npm/@awesome.me/webawesome@3/dist-cdn/webawesome.loader.js"></script>
<script src="https://accounts.google.com/gsi/client" async></script>
<style>
body {
font-family: var(--wa-font-sans);
max-width: 800px;
margin: 0 auto;
padding: 2rem;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
margin: 0;
}
</style>
</head>
<body style="opacity: 0">
<wa-card>
<h1 slot="header">Hello World</h1>
<p>Welcome to the Tickets App!</p>
<div id="g_id_onload"
data-client_id="{{.GOOGLE_CLIENT_ID}}"
data-login_uri="/auth/google/callback"
data-auto_prompt="false">
</div>
<div class="g_id_signin"
data-type="standard"
data-size="large"
data-theme="outline"
data-text="sign_in_with"
data-shape="rectangular"
data-logo_alignment="left">
</div>
</wa-card>
<div id="g_id_onload"
data-client_id="{{index . "GOOGLE_CLIENT_ID"}}"
data-login_uri="/auth/google/callback"
data-auto_prompt="false">
</div>
<div class="g_id_signin"
data-type="standard"
data-size="large"
data-theme="outline"
data-text="sign_in_with"
data-shape="rectangular"
data-logo_alignment="left">
</div>
<script type="module">
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
document.documentElement.className = e.matches ? 'wa-dark' : 'wa-light';
});
await customElements.whenDefined('wa-card');
document.body.style.opacity = 1;
</script>
</body>