// LoadConfig reads given file and returns the read config, or error.
func LoadConfig(filename string) (*Config, error) {
if len(filename) == 0 {
filename = defaultConfigFilePath
}
// tilde expansion on config file
filename, err := u.TildeExpansion(filename)
if err != nil {
return nil, err
}
// if nothing is there, write first config file.
if _, err := os.Stat(filename); os.IsNotExist(err) {
WriteFile(filename, []byte(defaultConfigFile))
}
var cfg Config
err = ReadConfigFile(filename, &cfg)
if err != nil {
return nil, err
}
// tilde expansion on datastore path
cfg.Datastore.Path, err = u.TildeExpansion(cfg.Datastore.Path)
if err != nil {
return nil, err
}
return &cfg, err
}
func initCmd(c *commander.Command, inp []string) error {
filename, err := config.Filename(config.DefaultConfigFilePath)
if err != nil {
return errors.New("Couldn't get home directory path")
}
fi, err := os.Lstat(filename)
force := c.Flag.Lookup("f").Value.Get().(bool)
if fi != nil || (err != nil && !os.IsNotExist(err)) && !force {
return errors.New("ipfs configuration file already exists!\nReinitializing would overwrite your keys.\n(use -f to force overwrite)")
}
cfg := new(config.Config)
cfg.Datastore = config.Datastore{}
dspath, err := u.TildeExpansion("~/.go-ipfs/datastore")
if err != nil {
return err
}
cfg.Datastore.Path = dspath
cfg.Datastore.Type = "leveldb"
cfg.Identity = new(config.Identity)
// This needs thought
// cfg.Identity.Address = ""
nbits := c.Flag.Lookup("b").Value.Get().(int)
if nbits < 1024 {
return errors.New("Bitsize less than 1024 is considered unsafe.")
}
sk, pk, err := ci.GenerateKeyPair(ci.RSA, nbits)
if err != nil {
return err
}
// pretend to encrypt key, then store it unencrypted
skbytes, err := sk.Bytes()
if err != nil {
return err
}
cfg.Identity.PrivKey = base64.StdEncoding.EncodeToString(skbytes)
id, err := identify.IDFromPubKey(pk)
if err != nil {
return err
}
cfg.Identity.PeerID = id.Pretty()
path, err := u.TildeExpansion(config.DefaultConfigFilePath)
if err != nil {
return err
}
err = config.WriteConfigFile(path, cfg)
if err != nil {
return err
}
return nil
}
// Load reads given file and returns the read config, or error.
func Load(filename string) (*Config, error) {
filename, err := Filename(filename)
if err != nil {
return nil, err
}
// if nothing is there, fail. User must run 'ipfs init'
if _, err := os.Stat(filename); os.IsNotExist(err) {
return nil, errors.New("ipfs not initialized, please run 'ipfs init'")
}
var cfg Config
err = ReadConfigFile(filename, &cfg)
if err != nil {
return nil, err
}
// tilde expansion on datastore path
cfg.Datastore.Path, err = u.TildeExpansion(cfg.Datastore.Path)
if err != nil {
return nil, err
}
return &cfg, err
}
// Filename returns the proper tilde expanded config filename.
func Filename(filename string) (string, error) {
if len(filename) == 0 {
filename = defaultConfigFilePath
}
// tilde expansion on config file
return u.TildeExpansion(filename)
}