package rest import ( "net/url" "strings" "github.com/restic/restic/internal/errors" "github.com/restic/restic/internal/options" ) // Config contains all configuration necessary to connect to a REST server. type Config struct { URL *url.URL Connections uint `option:"connections" help:"set a limit for the number of concurrent connections (default: 5)"` } func init() { options.Register("rest", Config{}) } // NewConfig returns a new Config with the default values filled in. func NewConfig() Config { return Config{ Connections: 5, } } // ParseConfig parses the string s and extracts the REST server URL. func ParseConfig(s string) (interface{}, error) { if !strings.HasPrefix(s, "rest:") { return nil, errors.New("invalid REST backend specification") } s = prepareURL(s) u, err := url.Parse(s) if err != nil { return nil, errors.WithStack(err) } cfg := NewConfig() cfg.URL = u return cfg, nil } // StripPassword removes the password from the URL // If the repository location cannot be parsed as a valid URL, it will be returned as is // (it's because this function is used for logging errors) func StripPassword(s string) string { scheme := s[:5] s = prepareURL(s) u, err := url.Parse(s) if err != nil { return scheme + s } if _, set := u.User.Password(); !set { return scheme + s } // a password was set: we replace it with *** return scheme + strings.Replace(u.String(), u.User.String()+"@", u.User.Username()+":***@", 1) } func prepareURL(s string) string { s = s[5:] if !strings.HasSuffix(s, "/") { s += "/" } return s }