mirror of https://github.com/docker/cli.git
120 lines
3.5 KiB
Go
120 lines
3.5 KiB
Go
// FIXME(thaJeztah): remove once we are a module; the go:build directive prevents go from downgrading language version to go1.16:
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//go:build go1.19
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package trust
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import (
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"context"
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"encoding/json"
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"fmt"
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"sort"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/inspect"
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"github.com/spf13/cobra"
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"github.com/theupdateframework/notary/tuf/data"
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)
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type inspectOptions struct {
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remotes []string
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// FIXME(n4ss): this is consistent with `docker service inspect` but we should provide
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// a `--format` flag too. (format and pretty-print should be exclusive)
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prettyPrint bool
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}
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func newInspectCommand(dockerCli command.Cli) *cobra.Command {
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options := inspectOptions{}
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cmd := &cobra.Command{
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Use: "inspect IMAGE[:TAG] [IMAGE[:TAG]...]",
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Short: "Return low-level information about keys and signatures",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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options.remotes = args
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return runInspect(cmd.Context(), dockerCli, options)
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},
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}
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flags := cmd.Flags()
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flags.BoolVar(&options.prettyPrint, "pretty", false, "Print the information in a human friendly format")
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return cmd
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}
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func runInspect(ctx context.Context, dockerCLI command.Cli, opts inspectOptions) error {
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if opts.prettyPrint {
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var err error
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for index, remote := range opts.remotes {
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if err = prettyPrintTrustInfo(ctx, dockerCLI, remote); err != nil {
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return err
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}
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// Additional separator between the inspection output of each image
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if index < len(opts.remotes)-1 {
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fmt.Fprint(dockerCLI.Out(), "\n\n")
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}
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}
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return err
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}
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getRefFunc := func(ref string) (any, []byte, error) {
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i, err := getRepoTrustInfo(ctx, dockerCLI, ref)
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return nil, i, err
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}
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return inspect.Inspect(dockerCLI.Out(), opts.remotes, "", getRefFunc)
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}
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func getRepoTrustInfo(ctx context.Context, dockerCLI command.Cli, remote string) ([]byte, error) {
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signatureRows, adminRolesWithSigs, delegationRoles, err := lookupTrustInfo(ctx, dockerCLI, remote)
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if err != nil {
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return []byte{}, err
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}
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// process the signatures to include repo admin if signed by the base targets role
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for idx, sig := range signatureRows {
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if len(sig.Signers) == 0 {
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signatureRows[idx].Signers = []string{releasedRoleName}
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}
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}
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signerList, adminList := []trustSigner{}, []trustSigner{}
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signerRoleToKeyIDs := getDelegationRoleToKeyMap(delegationRoles)
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for signerName, signerKeys := range signerRoleToKeyIDs {
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signerKeyList := []trustKey{}
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for _, keyID := range signerKeys {
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signerKeyList = append(signerKeyList, trustKey{ID: keyID})
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}
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signerList = append(signerList, trustSigner{signerName, signerKeyList})
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}
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sort.Slice(signerList, func(i, j int) bool { return signerList[i].Name > signerList[j].Name })
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for _, adminRole := range adminRolesWithSigs {
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switch adminRole.Name {
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case data.CanonicalRootRole:
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rootKeys := []trustKey{}
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for _, keyID := range adminRole.KeyIDs {
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rootKeys = append(rootKeys, trustKey{ID: keyID})
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}
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adminList = append(adminList, trustSigner{"Root", rootKeys})
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case data.CanonicalTargetsRole:
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targetKeys := []trustKey{}
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for _, keyID := range adminRole.KeyIDs {
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targetKeys = append(targetKeys, trustKey{ID: keyID})
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}
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adminList = append(adminList, trustSigner{"Repository", targetKeys})
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}
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}
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sort.Slice(adminList, func(i, j int) bool { return adminList[i].Name > adminList[j].Name })
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return json.Marshal(trustRepo{
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Name: remote,
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SignedTags: signatureRows,
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Signers: signerList,
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AdministrativeKeys: adminList,
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})
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}
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