grafana/pkg/services/authn/clients/basic.go
Karl Persson 95ea4bad6f
AuthN: Rebuild Authenticate so we only have to call it once in context handler (#61705)
* API: Add reqSignedIn to router groups

* AuthN: Add fall through in context handler

* AuthN: Add IsAnonymous field

* AuthN: add priority to context aware clients

* ContextHandler: Add comment

* AuthN: Add a simple priority queue

* AuthN: Add Name to client interface

* AuthN: register clients with function

* AuthN: update mock and fake to implement interface

* AuthN: rewrite test without reflection

* AuthN: add comment

* AuthN: fix queue insert

* AuthN: rewrite tests

* AuthN: make the queue generic so we can reuse it for hooks

* ContextHandler: Add fixme for auth headers

* AuthN: remove unused variable

* AuthN: use multierror

* AuthN: write proper tests for queue

* AuthN: Add queue item that can store the value and priority

Co-authored-by: Jo <joao.guerreiro@grafana.com>
2023-01-26 10:50:44 +01:00

67 lines
1.5 KiB
Go

package clients
import (
"context"
"strings"
"github.com/grafana/grafana/pkg/services/authn"
"github.com/grafana/grafana/pkg/util"
"github.com/grafana/grafana/pkg/util/errutil"
)
var (
errDecodingBasicAuthHeader = errutil.NewBase(errutil.StatusBadRequest, "basic-auth.invalid-header", errutil.WithPublicMessage("Invalid Basic Auth Header"))
)
var _ authn.ContextAwareClient = new(Basic)
func ProvideBasic(client authn.PasswordClient) *Basic {
return &Basic{client}
}
type Basic struct {
client authn.PasswordClient
}
func (c *Basic) Name() string {
return authn.ClientBasic
}
func (c *Basic) Authenticate(ctx context.Context, r *authn.Request) (*authn.Identity, error) {
username, password, err := util.DecodeBasicAuthHeader(getBasicAuthHeaderFromRequest(r))
if err != nil {
return nil, errDecodingBasicAuthHeader.Errorf("failed to decode basic auth header: %w", err)
}
return c.client.AuthenticatePassword(ctx, r, username, password)
}
func (c *Basic) Test(ctx context.Context, r *authn.Request) bool {
return looksLikeBasicAuthRequest(r)
}
func (c *Basic) Priority() uint {
return 40
}
func looksLikeBasicAuthRequest(r *authn.Request) bool {
return getBasicAuthHeaderFromRequest(r) != ""
}
func getBasicAuthHeaderFromRequest(r *authn.Request) string {
if r.HTTPRequest == nil {
return ""
}
header := r.HTTPRequest.Header.Get(authorizationHeaderName)
if header == "" {
return ""
}
if !strings.HasPrefix(header, basicPrefix) {
return ""
}
return header
}