forked from qvest-digital/loginsrv
/
backend.go
86 lines (71 loc) · 1.99 KB
/
backend.go
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package httpupstream
import (
"errors"
"fmt"
"net/url"
"strconv"
"time"
"github.com/tarent/loginsrv/login"
"github.com/tarent/loginsrv/model"
)
// ProviderName const
const ProviderName = "httpupstream"
const defaultTimeout = time.Minute
func init() {
login.RegisterProvider(
&login.ProviderDescription{
Name: ProviderName,
HelpText: "Httpupstream login backend opts: upstream=...,skipverify=...,timeout=...",
},
BackendFactory)
}
// BackendFactory creates a httpupstream backend
func BackendFactory(config map[string]string) (login.Backend, error) {
us, ue := config["upstream"]
ts, te := config["timeout"]
vs, ve := config["skipverify"]
if !ue {
return nil, errors.New(`missing parameter "upstream" for httpupstream provider`)
}
u, err := url.Parse(us)
if err != nil {
return nil, fmt.Errorf(`invalid parameter value "%s" in "upstream" httpupstream provider: %v`, us, err)
}
v := false
t := defaultTimeout
if te {
t, err = time.ParseDuration(ts)
if err != nil {
return nil, fmt.Errorf(`invalid parameter value "%s" in "timeout" httpupstream provider: %v`, ts, err)
}
}
if ve {
v, err = strconv.ParseBool(vs)
if err != nil {
return nil, fmt.Errorf(`invalid parameter value "%s" in "skipverify" httpupstream provider: %v`, ts, err)
}
}
return NewBackend(u, t, v)
}
// Backend is a httpupstream based authentication backend.
type Backend struct {
auth *Auth
}
// NewBackend creates a new Backend and verifies the parameters.
func NewBackend(upstream *url.URL, timeout time.Duration, skipverify bool) (*Backend, error) {
auth, err := NewAuth(upstream, timeout, skipverify)
return &Backend{
auth,
}, err
}
// Authenticate the user
func (sb *Backend) Authenticate(username, password string) (bool, model.UserInfo, error) {
authenticated, err := sb.auth.Authenticate(username, password)
if authenticated && err == nil {
return authenticated, model.UserInfo{
Origin: ProviderName,
Sub: username,
}, err
}
return false, model.UserInfo{}, err
}