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path: root/internal/server/tls.go
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package server

import (
	"context"

	"github.com/ardanlabs/conf/v3"
	"github.com/caddyserver/caddy/v2"
	"github.com/caddyserver/certmagic"
	certmagic_redis "github.com/pberkel/caddy-storage-redis"
	"github.com/pkg/errors"
)

type redisConfig struct {
	Address       string `conf:"required"`
	Username      string `conf:"default:default"`
	Password      string `conf:"required"`
	EncryptionKey string `conf:"required"`
	KeyPrefix     string `conf:"default:certmagic"`
}

func (s *Server) serveTLS() (err error) {
	rc := &redisConfig{}
	_, err = conf.Parse("REDIS", rc)
	if err != nil {
		return errors.Wrap(err, "could not parse redis config")
	}

	rs := certmagic_redis.New()
	rs.Address = []string{rc.Address}
	rs.Username = rc.Username
	rs.Password = rc.Password
	rs.EncryptionKey = rc.EncryptionKey
	rs.KeyPrefix = rc.KeyPrefix

	certmagic.Default.Storage = rs
	err = rs.Provision(caddy.Context{
		Context: context.Background(),
	})
	if err != nil {
		return errors.Wrap(err, "could not provision redis storage")
	}

	certmagic.DefaultACME.Agreed = true
	certmagic.DefaultACME.Email = s.config.Email
	certmagic.HTTPPort = s.runtimeConfig.Port
	certmagic.HTTPSPort = s.runtimeConfig.TLSPort

	return certmagic.HTTPS(s.config.Domains, s.Server.Handler)
}