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package config
import (
"os"
"strings"
)
const (
// default port for the http server to run
DefaultIssuerPort = "9998"
)
type Config struct {
Port string
RedirectURI []string
UsersFile string
}
// FromEnvVars loads configuration parameters from environment variables.
// If there is no such variable defined, then use default values.
func FromEnvVars(defaults *Config) *Config {
if defaults == nil {
defaults = &Config{}
}
cfg := &Config{
Port: defaults.Port,
RedirectURI: defaults.RedirectURI,
UsersFile: defaults.UsersFile,
}
if value, ok := os.LookupEnv("PORT"); ok {
cfg.Port = value
}
if value, ok := os.LookupEnv("USERS_FILE"); ok {
cfg.UsersFile = value
}
if value, ok := os.LookupEnv("REDIRECT_URI"); ok {
cfg.RedirectURI = strings.Split(value, ",")
}
return cfg
}
|
