366d3ec971
Includes changes from; - Add a LastTagTime for images (https://github.com/moby/moby/pull/31497) - Fix handling of remote "git@" notation (https://github.com/moby/moby/pull/33696) - Move some `api` package functions away (https://github.com/moby/moby/pull/33798) (related to https://github.com/docker/cli/pull/236) - Set ping version even on error (https://github.com/moby/moby/pull/33827) - Do not add duplicate platform information to service spec (https://github.com/moby/moby/pull/33867) - Refactor MountPoint Setup function in volume.go (https://github.com/moby/moby/pull/33890) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
package api
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import (
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"encoding/json"
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"encoding/pem"
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"fmt"
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"os"
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"path/filepath"
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"github.com/docker/docker/pkg/ioutils"
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"github.com/docker/docker/pkg/system"
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"github.com/docker/libtrust"
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)
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// Common constants for daemon and client.
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const (
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// DefaultVersion of Current REST API
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DefaultVersion string = "1.31"
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// NoBaseImageSpecifier is the symbol used by the FROM
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// command to specify that no base image is to be used.
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NoBaseImageSpecifier string = "scratch"
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)
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// LoadOrCreateTrustKey attempts to load the libtrust key at the given path,
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// otherwise generates a new one
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func LoadOrCreateTrustKey(trustKeyPath string) (libtrust.PrivateKey, error) {
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err := system.MkdirAll(filepath.Dir(trustKeyPath), 0700, "")
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if err != nil {
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return nil, err
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}
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trustKey, err := libtrust.LoadKeyFile(trustKeyPath)
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if err == libtrust.ErrKeyFileDoesNotExist {
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trustKey, err = libtrust.GenerateECP256PrivateKey()
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if err != nil {
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return nil, fmt.Errorf("Error generating key: %s", err)
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}
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encodedKey, err := serializePrivateKey(trustKey, filepath.Ext(trustKeyPath))
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if err != nil {
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return nil, fmt.Errorf("Error serializing key: %s", err)
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}
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if err := ioutils.AtomicWriteFile(trustKeyPath, encodedKey, os.FileMode(0600)); err != nil {
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return nil, fmt.Errorf("Error saving key file: %s", err)
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}
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} else if err != nil {
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return nil, fmt.Errorf("Error loading key file %s: %s", trustKeyPath, err)
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}
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return trustKey, nil
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}
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func serializePrivateKey(key libtrust.PrivateKey, ext string) (encoded []byte, err error) {
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if ext == ".json" || ext == ".jwk" {
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encoded, err = json.Marshal(key)
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if err != nil {
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return nil, fmt.Errorf("unable to encode private key JWK: %s", err)
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}
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} else {
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pemBlock, err := key.PEMBlock()
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if err != nil {
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return nil, fmt.Errorf("unable to encode private key PEM: %s", err)
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}
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encoded = pem.EncodeToMemory(pemBlock)
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}
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return
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}
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