ghostream/auth/auth.go

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package auth
import (
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"errors"
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"log"
"strings"
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"gitlab.crans.org/nounous/ghostream/auth/basic"
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"gitlab.crans.org/nounous/ghostream/auth/ldap"
)
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// Options holds package configuration
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type Options struct {
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Enabled bool
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Backend string
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Basic basic.Options
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LDAP ldap.Options
}
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// Backend to log user in
type Backend interface {
Login(string, string) (bool, error)
Close()
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}
// New initialize authentification backend
func New(cfg *Options) (Backend, error) {
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var backend Backend = nil
var err error
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if !cfg.Enabled {
// Authentification is disabled
return nil, nil
}
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switch strings.ToLower(cfg.Backend) {
case "basic":
backend, err = basic.New(&cfg.Basic)
case "ldap":
backend, err = ldap.New(&cfg.LDAP)
default:
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// Package is misconfigured
backend, err = nil, errors.New("authentification backend not found")
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}
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if err != nil {
// Backend init failed
return nil, err
}
log.Printf("%s backend successfully initialized", cfg.Backend)
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return backend, nil
}