1 // 2 // Copyright 2023 The Sigstore Authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 package envvar 17 18 import ( 19 "context" 20 21 "github.com/sigstore/cosign/v2/pkg/cosign/env" 22 "github.com/sigstore/cosign/v2/pkg/providers" 23 ) 24 25 func init() { 26 providers.Register("envvar", &envvar{}) 27 } 28 29 type envvar struct{} 30 31 var _ providers.Interface = (*envvar)(nil) 32 33 // Enabled implements providers.Interface 34 func (p *envvar) Enabled(context.Context) bool { 35 _, ok := env.LookupEnv(env.VariableSigstoreIDToken) 36 return ok 37 } 38 39 // Provide implements providers.Interface 40 func (p *envvar) Provide(context.Context, string) (string, error) { 41 return env.Getenv(env.VariableSigstoreIDToken), nil 42 } 43