Files
2026-07-20 21:41:51 +02:00

138 lines
3.9 KiB
Go

package main
import (
"context"
"errors"
"log/slog"
"net/http"
"os"
"os/signal"
"strconv"
"strings"
"syscall"
"time"
"github.com/b1tsblog/license-platform/internal/platform"
)
func main() {
if len(os.Args) > 1 && os.Args[1] == "--healthcheck" {
healthcheck()
return
}
logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
store, err := platform.OpenStore(env("LICENSE_DATA_FILE", "./data/platform.json"))
if err != nil {
logger.Error("open data store", "error", err)
os.Exit(1)
}
app, err := platform.New(platform.Config{
Brand: env("LICENSE_BRAND", "License Platform"),
Address: env("LICENSE_ADDRESS", ":8090"),
PublicURL: env("LICENSE_PUBLIC_URL", "http://localhost:8090"),
DataFile: env("LICENSE_DATA_FILE", "./data/platform.json"),
MasterKey: secretEnv("LICENSE_MASTER_KEY"),
BootstrapUsername: env("LICENSE_BOOTSTRAP_ADMIN_USER", "admin"),
BootstrapPassword: secretEnv("LICENSE_BOOTSTRAP_ADMIN_PASSWORD"),
BootstrapName: env("LICENSE_BOOTSTRAP_ADMIN_NAME", "Administrator"),
AdminAPIToken: firstSecret("LICENSE_ADMIN_API_TOKEN", "LICENSE_SERVER_ADMIN_TOKEN"),
SessionTTL: durationEnv("LICENSE_SESSION_TTL", 12*time.Hour),
DefaultLeaseTTL: durationEnv("LICENSE_DEFAULT_LEASE_TTL", time.Hour),
MaxLeaseTTL: durationEnv("LICENSE_MAX_LEASE_TTL", 24*time.Hour),
SecureCookies: boolEnv("LICENSE_SECURE_COOKIES", false),
}, store, logger)
if err != nil {
logger.Error("create license platform", "error", err)
os.Exit(1)
}
address := env("LICENSE_ADDRESS", ":8090")
server := &http.Server{Addr: address, Handler: app.Handler(), ReadHeaderTimeout: 5 * time.Second, ReadTimeout: 15 * time.Second, WriteTimeout: 20 * time.Second, IdleTimeout: 60 * time.Second, MaxHeaderBytes: 1 << 20}
ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer stop()
go func() {
logger.Info("license platform started", "address", address, "public_url", env("LICENSE_PUBLIC_URL", "http://localhost:8090"))
if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
logger.Error("license platform failed", "error", err)
os.Exit(1)
}
}()
<-ctx.Done()
shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
_ = server.Shutdown(shutdownCtx)
}
func env(key, fallback string) string {
if value := strings.TrimSpace(os.Getenv(key)); value != "" {
return value
}
return fallback
}
func secretEnv(key string) string {
if value := strings.TrimSpace(os.Getenv(key)); value != "" {
return value
}
path := strings.TrimSpace(os.Getenv(key + "_FILE"))
if path == "" {
return ""
}
data, err := os.ReadFile(path)
if err != nil {
return ""
}
return strings.TrimSpace(string(data))
}
func durationEnv(key string, fallback time.Duration) time.Duration {
value := strings.TrimSpace(os.Getenv(key))
if value == "" {
return fallback
}
if duration, err := time.ParseDuration(value); err == nil {
return duration
}
if seconds, err := strconv.ParseInt(value, 10, 64); err == nil {
return time.Duration(seconds) * time.Second
}
return fallback
}
func boolEnv(key string, fallback bool) bool {
value := strings.TrimSpace(os.Getenv(key))
if value == "" {
return fallback
}
parsed, err := strconv.ParseBool(value)
if err != nil {
return fallback
}
return parsed
}
func healthcheck() {
address := env("LICENSE_ADDRESS", ":8090")
port := address
if index := strings.LastIndex(address, ":"); index >= 0 {
port = address[index:]
}
if !strings.HasPrefix(port, ":") {
port = ":" + port
}
client := &http.Client{Timeout: 3 * time.Second}
resp, err := client.Get("http://127.0.0.1" + port + "/healthz")
if err != nil || resp.StatusCode != http.StatusOK {
os.Exit(1)
}
_ = resp.Body.Close()
}
func firstSecret(keys ...string) string {
for _, key := range keys {
if value := secretEnv(key); value != "" {
return value
}
}
return ""
}