126 lines
3 KiB
Go
126 lines
3 KiB
Go
package main
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import (
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"context"
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"telesrv/internal/config"
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)
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const defaultAdminAPIAddr = "127.0.0.1:2599"
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func main() {
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if err := run(); err != nil {
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log.Fatal(err)
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}
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}
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func run() error {
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cfg, err := loadConfig()
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if err != nil {
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return err
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}
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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pool, err := pgxpool.New(ctx, cfg.PostgresDSN)
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if err != nil {
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return fmt.Errorf("connect postgres: %w", err)
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}
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defer pool.Close()
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srv, err := newServer(cfg, newReadStore(pool))
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if err != nil {
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return err
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}
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httpServer := &http.Server{
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Addr: cfg.Addr,
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Handler: srv.routes(),
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ReadHeaderTimeout: 5 * time.Second,
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}
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go func() {
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<-ctx.Done()
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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_ = httpServer.Shutdown(shutdownCtx)
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}()
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log.Printf("telesrv-admin listening on %s", cfg.Addr)
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if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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return err
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}
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return nil
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}
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type uiConfig struct {
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Addr string
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PostgresDSN string
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AdminAPIURL string
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AdminAPIToken string
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Password string
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Token string
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SessionKey []byte
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}
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// loadConfig 通过 internal/config.Load() 加载 .env 配置文件与环境变量，
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// 并转换为 telesrv-admin 需要的 uiConfig。环境变量优先级高于 .env 文件。
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func loadConfig() (uiConfig, error) {
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appCfg, err := config.Load()
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if err != nil {
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return uiConfig{}, fmt.Errorf("load config: %w", err)
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}
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adminAPIAddr := appCfg.AdminAPIAddr
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if strings.TrimSpace(adminAPIAddr) == "" {
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adminAPIAddr = defaultAdminAPIAddr
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}
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if appCfg.AdminUIPassword == "" && appCfg.AdminUIToken == "" {
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return uiConfig{}, fmt.Errorf("TELESRV_ADMIN_UI_PASSWORD or TELESRV_ADMIN_UI_TOKEN is required")
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}
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if strings.TrimSpace(appCfg.AdminAPIToken) == "" {
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return uiConfig{}, fmt.Errorf("TELESRV_ADMIN_API_TOKEN is required for admin write actions")
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}
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if appCfg.AdminSessionKey == "" {
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return uiConfig{}, fmt.Errorf("TELESRV_ADMIN_SESSION_KEY is required")
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}
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sum := sha256.Sum256([]byte(appCfg.AdminSessionKey))
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return uiConfig{
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Addr: appCfg.AdminUIAddr,
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PostgresDSN: appCfg.PostgresDSN,
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AdminAPIURL: adminAPIURL(adminAPIAddr),
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AdminAPIToken: appCfg.AdminAPIToken,
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Password: appCfg.AdminUIPassword,
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Token: appCfg.AdminUIToken,
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SessionKey: sum[:],
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}, nil
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}
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func adminAPIURL(addr string) string {
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addr = strings.TrimSpace(addr)
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if addr == "" {
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addr = defaultAdminAPIAddr
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}
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if strings.HasPrefix(addr, "http://") || strings.HasPrefix(addr, "https://") {
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return strings.TrimRight(addr, "/")
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}
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return "http://" + addr
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}
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func newCommandID(prefix string) string {
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var b [6]byte
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_, _ = rand.Read(b[:])
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return prefix + "-" + time.Now().UTC().Format("20060102T150405.000000000") + "-" + hex.EncodeToString(b[:])
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}
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