68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package secret
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import (
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"context"
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"strings"
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"github.com/drone/drone/core"
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)
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// Combine combines the secret services, allowing the system
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// to get pipeline secrets from multiple sources.
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func Combine(services ...core.SecretService) core.SecretService {
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return &combined{services}
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}
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type combined struct {
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sources []core.SecretService
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}
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func (c *combined) Find(ctx context.Context, in *core.SecretArgs) (*core.Secret, error) {
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// Ignore any requests for the .docker/config.json file.
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// This file is reserved for internal use only, and is
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// never exposed to the build environment.
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if isDockerConfig(in.Name) {
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return nil, nil
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}
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for _, source := range c.sources {
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secret, err := source.Find(ctx, in)
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if err != nil {
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return nil, err
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}
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if secret == nil {
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continue
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}
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// if the secret object is not nil, but is empty
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// we should assume the secret service returned a
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// 204 no content, and proceed to the next service
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// in the chain.
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if secret.Data == "" {
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continue
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}
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return secret, nil
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}
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return nil, nil
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}
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// helper function returns true if the build event matches the
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// docker_auth_config variable name.
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func isDockerConfig(name string) bool {
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return strings.EqualFold(name, "docker_auth_config") ||
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strings.EqualFold(name, ".dockerconfigjson") ||
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strings.EqualFold(name, ".dockerconfig")
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}
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