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config.go
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config.go
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package state
import (
"errors"
"github.com/function61/eventkit/event"
"github.com/function61/gokit/fileexists"
"github.com/function61/gokit/httpauth"
"github.com/function61/gokit/jsonfile"
"github.com/function61/gokit/logex"
"github.com/function61/gokit/storedpassword"
"github.com/function61/pi-security-module/pkg/domain"
"time"
)
const (
configFilename = "config.json"
)
type Config struct {
JwtPrivateKey string `json:"jwt_private_key"`
JwtPublicKey string `json:"jwt_public_key"`
}
func readConfig() (*Config, error) {
cfg := &Config{}
return cfg, jsonfile.Read(configFilename, cfg, true)
}
func saveConfig(cfg *Config) error {
return jsonfile.Write(configFilename, cfg)
}
func InitConfig(adminUsername string, adminPassword string) error {
exists, err := fileexists.Exists(configFilename)
if err != nil {
return err
}
if exists {
return errors.New("config file already exists")
}
privKeyPem, pubKeyPem, err := httpauth.GenerateKey()
if err != nil {
return err
}
cfg := &Config{
JwtPrivateKey: string(privKeyPem),
JwtPublicKey: string(pubKeyPem),
}
if err := saveConfig(cfg); err != nil {
return err
}
state := New(logex.Discard)
defer state.Close()
storedPassword, err := storedpassword.Store(
adminPassword,
storedpassword.CurrentBestDerivationStrategy)
if err != nil {
return err
}
meta := event.Meta(time.Now(), state.NextFreeUserId())
userCreated := domain.NewUserCreated(
meta.UserId,
adminUsername,
meta)
password := domain.NewUserPasswordUpdated(
meta.UserId,
string(storedPassword),
false,
meta)
return state.EventLog.Append([]event.Event{userCreated, password})
}