86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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package auths
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"io"
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"os"
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"strings"
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"github.com/drone/drone/core"
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)
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// config represents the Docker client configuration,
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// typically located at ~/.docker/config.json
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type config struct {
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Auths map[string]struct {
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Auth string `json:"auth"`
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} `json:"auths"`
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}
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// Parse parses the registry credential from the reader.
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func Parse(r io.Reader) ([]*core.Registry, error) {
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c := new(config)
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err := json.NewDecoder(r).Decode(c)
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if err != nil {
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return nil, err
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}
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var auths []*core.Registry
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for k, v := range c.Auths {
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username, password := decode(v.Auth)
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auths = append(auths, &core.Registry{
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Address: k,
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Username: username,
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Password: password,
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})
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}
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return auths, nil
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}
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// ParseFile parses the registry credential file.
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func ParseFile(filepath string) ([]*core.Registry, error) {
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f, err := os.Open(filepath)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return Parse(f)
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}
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// ParseString parses the registry credential file.
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func ParseString(s string) ([]*core.Registry, error) {
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return Parse(strings.NewReader(s))
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}
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// ParseBytes parses the registry credential file.
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func ParseBytes(b []byte) ([]*core.Registry, error) {
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return Parse(bytes.NewReader(b))
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}
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// encode returns the encoded credentials.
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func encode(username, password string) string {
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return base64.StdEncoding.EncodeToString(
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[]byte(username + ":" + password),
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)
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}
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// decode returns the decoded credentials.
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func decode(s string) (username, password string) {
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d, err := base64.StdEncoding.DecodeString(s)
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if err != nil {
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return
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}
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parts := strings.SplitN(string(d), ":", 2)
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if len(parts) > 0 {
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username = parts[0]
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}
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if len(parts) > 1 {
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password = parts[1]
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}
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return
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}
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