// NewHandlerFromSigner generates a new Handler directly from
// an existing signer.
func NewHandlerFromSigner(signer signer.Signer) (h *api.HTTPHandler, err error) {
policy := signer.Policy()
if policy == nil {
err = errors.New(errors.PolicyError, errors.InvalidPolicy)
return
}
// Sign will only respond for profiles that have no auth provider.
// So if all of the profiles require authentication, we return an error.
haveUnauth := (policy.Default.Provider == nil)
for _, profile := range policy.Profiles {
haveUnauth = haveUnauth || (profile.Provider == nil)
}
if !haveUnauth {
err = errors.New(errors.PolicyError, errors.InvalidPolicy)
return
}
return &api.HTTPHandler{
Handler: &Handler{
signer: signer,
},
Methods: []string{"POST"},
}, nil
}
// NewAuthHandlerFromSigner creates a new AuthHandler from the signer
// that is passed in.
func NewAuthHandlerFromSigner(signer signer.Signer) (http.Handler, error) {
policy := signer.Policy()
if policy == nil {
return nil, errors.New(errors.PolicyError, errors.InvalidPolicy)
}
if policy.Default == nil && policy.Profiles == nil {
return nil, errors.New(errors.PolicyError, errors.InvalidPolicy)
}
// AuthSign will not respond for profiles that have no auth provider.
// So if there are no profiles with auth providers in this policy,
// we return an error.
haveAuth := (policy.Default.Provider != nil)
for _, profile := range policy.Profiles {
if haveAuth {
break
}
haveAuth = (profile.Provider != nil)
}
if !haveAuth {
return nil, errors.New(errors.PolicyError, errors.InvalidPolicy)
}
return &api.HTTPHandler{
Handler: &AuthHandler{
signer: signer,
},
Methods: []string{"POST"},
}, nil
}