argo-cd/server/session/session.go

74 lines
2.3 KiB
Go

package session
import (
"context"
"fmt"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/argoproj/argo-cd/util/jwt"
sessionmgr "github.com/argoproj/argo-cd/util/session"
)
// Server provides a Session service
type Server struct {
mgr *sessionmgr.SessionManager
}
// NewServer returns a new instance of the Session service
func NewServer(mgr *sessionmgr.SessionManager) *Server {
return &Server{
mgr: mgr,
}
}
// Create generates a non-expiring JWT token signed by ArgoCD. This endpoint is used in two circumstances:
// 1. Web/CLI logins for local users (i.e. admin), for when SSO is not configured. In this case,
// username/password.
// 2. CLI login which completed an OAuth2 login flow but wish to store a permanent token in their config
func (s *Server) Create(ctx context.Context, q *SessionCreateRequest) (*SessionResponse, error) {
var tokenString string
var err error
if q.Password != "" {
// first case
err = s.mgr.VerifyUsernamePassword(q.Username, q.Password)
if err != nil {
return nil, err
}
tokenString, err = s.mgr.Create(q.Username)
if err != nil {
return nil, err
}
} else if q.Token != "" {
// second case
claimsIf, err := s.mgr.VerifyToken(q.Token)
if err != nil {
return nil, err
}
claims, err := jwt.MapClaims(claimsIf)
if err != nil {
return nil, err
}
tokenString, err = s.mgr.ReissueClaims(claims)
if err != nil {
return nil, fmt.Errorf("Failed to resign claims: %v", err)
}
} else {
return nil, status.Errorf(codes.Unauthenticated, "no credentials supplied")
}
return &SessionResponse{Token: tokenString}, nil
}
// Delete an authentication cookie from the client. This makes sense only for the Web client.
func (s *Server) Delete(ctx context.Context, q *SessionDeleteRequest) (*SessionResponse, error) {
return &SessionResponse{""}, nil
}
// AuthFuncOverride overrides the authentication function and let us not require auth to receive auth.
// Without this function here, ArgoCDServer.authenticate would be invoked and credentials checked.
// Since this service is generally invoked when the user has _no_ credentials, that would create a
// chicken-and-egg situation if we didn't place this here to allow traffic to pass through.
func (s *Server) AuthFuncOverride(ctx context.Context, fullMethodName string) (context.Context, error) {
return ctx, nil
}