initial commit

2026-06-06 07:54:44 -05:00
commit 1cc94f2c99
68 changed files with 14615 additions and 0 deletions
@@ -0,0 +1,27 @@
+<!doctype html>
+<html lang="en">
+<head>
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>404 Not Found</title>
+	<style>
+		:root { color-scheme: light dark; }
+		body {
+			font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
+			line-height: 1.5;
+			max-width: 42rem;
+			margin: 4rem auto;
+			padding: 0 1.5rem;
+			color: #e4e4e7;
+			background: #09090b;
+		}
+		h1 { font-size: 1.75rem; font-weight: 600; margin: 0 0 0.75rem; color: #fafafa; }
+		p { margin: 0.5rem 0; color: #a1a1aa; }
+		.host { color: #f87171; font-weight: 500; }
+	</style>
+</head>
+<body>
+	<h1>404 Not Found</h1>
+	<p>{{MESSAGE}}</p>
+</body>
+</html>
@@ -0,0 +1,9 @@
+package www
+
+import "embed"
+
+// Default pages for unmatched hosts and shared error responses.
+// Override by placing the same filename under WWW_DIR (default: data/www/).
+//
+//go:embed index.html 404.html
+var defaults embed.FS
@@ -0,0 +1,29 @@
+<!doctype html>
+<html lang="en">
+<head>
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>Welcome to Helix Proxy</title>
+	<style>
+		:root { color-scheme: light dark; }
+		body {
+			font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
+			line-height: 1.5;
+			max-width: 42rem;
+			margin: 4rem auto;
+			padding: 0 1.5rem;
+			color: #e4e4e7;
+			background: #09090b;
+		}
+		h1 { font-size: 1.75rem; font-weight: 600; margin: 0 0 0.75rem; color: #fafafa; }
+		p { margin: 0.5rem 0; color: #a1a1aa; }
+		code { background: #18181b; padding: 0.15rem 0.4rem; border-radius: 0.25rem; font-size: 0.9em; }
+		.host { color: #34d399; font-weight: 500; }
+	</style>
+</head>
+<body>
+	<h1>Welcome to Helix Proxy</h1>
+	<p>No virtual host is configured for <span class="host">{{HOST}}</span>.</p>
+	<p>Open the admin UI to add proxy hosts, certificates, and streams.</p>
+</body>
+</html>
@@ -0,0 +1,34 @@
+package www
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"helix-proxy/internal/config"
+)
+
+// LoadPage returns HTML for name (e.g. "index.html", "404.html").
+// A file in WWW_DIR with the same name overrides the embedded default.
+// Placeholders use the form {{KEY}} and are replaced from vars.
+func LoadPage(name string, vars map[string]string) []byte {
+	wwwDir := config.Resolve("www")
+	customPath := filepath.Join(wwwDir, name)
+
+	data, err := os.ReadFile(customPath)
+	if err != nil {
+		data, err = defaults.ReadFile(name)
+		if err != nil {
+			return nil
+		}
+	}
+
+	if len(vars) == 0 {
+		return data
+	}
+	s := string(data)
+	for k, v := range vars {
+		s = strings.ReplaceAll(s, "{{"+k+"}}", v)
+	}
+	return []byte(s)
+}
@@ -0,0 +1,39 @@
+package www
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"helix-proxy/internal/config"
+)
+
+func TestLoadPageEmbeddedDefault(t *testing.T) {
+	t.Setenv("DATA_DIR", t.TempDir())
+	page := LoadPage("index.html", map[string]string{"HOST": "test.example"})
+	if page == nil {
+		t.Fatal("expected embedded index.html")
+	}
+	body := string(page)
+	if !strings.Contains(body, "test.example") || !strings.Contains(body, "Welcome to Helix Proxy") {
+		t.Fatalf("unexpected page: %s", page)
+	}
+}
+
+func TestLoadPageWWWOverride(t *testing.T) {
+	dir := t.TempDir()
+	t.Setenv("DATA_DIR", dir)
+	wwwDir := config.Resolve("www")
+	if err := os.MkdirAll(wwwDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	custom := []byte("<h1>CUSTOM {{HOST}}</h1>")
+	if err := os.WriteFile(filepath.Join(wwwDir, "index.html"), custom, 0o644); err != nil {
+		t.Fatal(err)
+	}
+	page := LoadPage("index.html", map[string]string{"HOST": "override.example"})
+	if string(page) != "<h1>CUSTOM override.example</h1>" {
+		t.Fatalf("override failed: %q", page)
+	}
+}