DockerCLI/cli/command/trust/inspect.go

116 lines
3.3 KiB
Go

package trust
import (
"encoding/json"
"fmt"
"sort"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/inspect"
"github.com/spf13/cobra"
"github.com/theupdateframework/notary/tuf/data"
)
type inspectOptions struct {
remotes []string
// FIXME(n4ss): this is consistent with `docker service inspect` but we should provide
// a `--format` flag too. (format and pretty-print should be exclusive)
prettyPrint bool
}
func newInspectCommand(dockerCli command.Cli) *cobra.Command {
options := inspectOptions{}
cmd := &cobra.Command{
Use: "inspect IMAGE[:TAG] [IMAGE[:TAG]...]",
Short: "Return low-level information about keys and signatures",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
options.remotes = args
return runInspect(dockerCli, options)
},
}
flags := cmd.Flags()
flags.BoolVar(&options.prettyPrint, "pretty", false, "Print the information in a human friendly format")
return cmd
}
func runInspect(dockerCli command.Cli, opts inspectOptions) error {
if opts.prettyPrint {
var err error
for index, remote := range opts.remotes {
if err = prettyPrintTrustInfo(dockerCli, remote); err != nil {
return err
}
// Additional separator between the inspection output of each image
if index < len(opts.remotes)-1 {
fmt.Fprint(dockerCli.Out(), "\n\n")
}
}
return err
}
getRefFunc := func(ref string) (interface{}, []byte, error) {
i, err := getRepoTrustInfo(dockerCli, ref)
return nil, i, err
}
return inspect.Inspect(dockerCli.Out(), opts.remotes, "", getRefFunc)
}
func getRepoTrustInfo(cli command.Cli, remote string) ([]byte, error) {
signatureRows, adminRolesWithSigs, delegationRoles, err := lookupTrustInfo(cli, remote)
if err != nil {
return []byte{}, err
}
// process the signatures to include repo admin if signed by the base targets role
for idx, sig := range signatureRows {
if len(sig.Signers) == 0 {
signatureRows[idx].Signers = append(sig.Signers, releasedRoleName)
}
}
signerList, adminList := []trustSigner{}, []trustSigner{}
signerRoleToKeyIDs := getDelegationRoleToKeyMap(delegationRoles)
for signerName, signerKeys := range signerRoleToKeyIDs {
signerKeyList := []trustKey{}
for _, keyID := range signerKeys {
signerKeyList = append(signerKeyList, trustKey{ID: keyID})
}
signerList = append(signerList, trustSigner{signerName, signerKeyList})
}
sort.Slice(signerList, func(i, j int) bool { return signerList[i].Name > signerList[j].Name })
for _, adminRole := range adminRolesWithSigs {
switch adminRole.Name {
case data.CanonicalRootRole:
rootKeys := []trustKey{}
for _, keyID := range adminRole.KeyIDs {
rootKeys = append(rootKeys, trustKey{ID: keyID})
}
adminList = append(adminList, trustSigner{"Root", rootKeys})
case data.CanonicalTargetsRole:
targetKeys := []trustKey{}
for _, keyID := range adminRole.KeyIDs {
targetKeys = append(targetKeys, trustKey{ID: keyID})
}
adminList = append(adminList, trustSigner{"Repository", targetKeys})
}
}
sort.Slice(adminList, func(i, j int) bool { return adminList[i].Name > adminList[j].Name })
return json.Marshal(trustRepo{
Name: remote,
SignedTags: signatureRows,
Signers: signerList,
AdministrativeKeys: adminList,
})
}