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// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package internal
import (
"time"
"v.io/v23"
"v.io/v23/context"
"v.io/v23/glob"
"v.io/v23/rpc"
"v.io/v23/security"
"v.io/v23/verror"
"v.io/x/ref/services/discharger"
)
func init() {
security.RegisterCaveatValidator(LoggingCaveat, func(ctx *context.T, _ security.Call, params []string) error {
ctx.Infof("Params: %#v", params)
return nil
})
}
type dischargerImpl struct {
serverConfig *serverConfig
}
func (dischargerImpl) Discharge(ctx *context.T, call rpc.ServerCall, caveat security.Caveat, impetus security.DischargeImpetus) (security.Discharge, error) {
details := caveat.ThirdPartyDetails()
if details == nil {
return security.Discharge{}, discharger.NewErrNotAThirdPartyCaveat(ctx, caveat)
}
if err := details.Dischargeable(ctx, call.Security()); err != nil {
return security.Discharge{}, err
}
// TODO(rthellend,ashankar): Do proper logging when the API allows it.
ctx.Infof("Discharge() impetus: %#v", impetus)
expiry, err := security.NewExpiryCaveat(time.Now().Add(5 * time.Minute))
if err != nil {
return security.Discharge{}, verror.Convert(verror.ErrInternal, ctx, err)
}
// Bind the discharge to precisely the purpose the requestor claims it will be used.
method, err := security.NewMethodCaveat(impetus.Method)
if err != nil {
return security.Discharge{}, verror.Convert(verror.ErrInternal, ctx, err)
}
peer, err := security.NewCaveat(security.PeerBlessingsCaveat, impetus.Server)
if err != nil {
return security.Discharge{}, verror.Convert(verror.ErrInternal, ctx, err)
}
discharge, err := v23.GetPrincipal(ctx).MintDischarge(caveat, expiry, method, peer)
if err != nil {
return security.Discharge{}, verror.Convert(verror.ErrInternal, ctx, err)
}
return discharge, nil
}
func (d *dischargerImpl) GlobChildren__(ctx *context.T, call rpc.GlobChildrenServerCall, m *glob.Element) error {
return globChildren(ctx, call, d.serverConfig, m)
}