126 lines
3.2 KiB
Go
126 lines
3.2 KiB
Go
package trust
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import (
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"sort"
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"strings"
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"github.com/docker/cli/cli/command/formatter"
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)
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const (
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defaultTrustTagTableFormat = "table {{.SignedTag}}\t{{.Digest}}\t{{.Signers}}"
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signedTagNameHeader = "SIGNED TAG"
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trustedDigestHeader = "DIGEST"
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signersHeader = "SIGNERS"
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defaultSignerInfoTableFormat = "table {{.Signer}}\t{{.Keys}}"
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signerNameHeader = "SIGNER"
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keysHeader = "KEYS"
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)
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// signedTagInfo represents all formatted information needed to describe a signed tag:
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// Name: name of the signed tag
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// Digest: hex encoded digest of the contents
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// Signers: list of entities who signed the tag
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type signedTagInfo struct {
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Name string
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Digest string
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Signers []string
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}
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// signerInfo represents all formatted information needed to describe a signer:
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// Name: name of the signer role
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// Keys: the keys associated with the signer
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type signerInfo struct {
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Name string
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Keys []string
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}
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// tagWrite writes the context
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func tagWrite(fmtCtx formatter.Context, signedTagInfoList []signedTagInfo) error {
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trustTagCtx := &trustTagContext{
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HeaderContext: formatter.HeaderContext{
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Header: formatter.SubHeaderContext{
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"SignedTag": signedTagNameHeader,
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"Digest": trustedDigestHeader,
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"Signers": signersHeader,
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},
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},
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}
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return fmtCtx.Write(trustTagCtx, func(format func(subContext formatter.SubContext) error) error {
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for _, signedTag := range signedTagInfoList {
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if err := format(&trustTagContext{s: signedTag}); err != nil {
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return err
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}
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}
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return nil
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})
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}
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type trustTagContext struct {
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formatter.HeaderContext
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s signedTagInfo
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}
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// SignedTag returns the name of the signed tag
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func (c *trustTagContext) SignedTag() string {
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return c.s.Name
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}
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// Digest returns the hex encoded digest associated with this signed tag
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func (c *trustTagContext) Digest() string {
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return c.s.Digest
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}
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// Signers returns the sorted list of entities who signed this tag
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func (c *trustTagContext) Signers() string {
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sort.Strings(c.s.Signers)
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return strings.Join(c.s.Signers, ", ")
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}
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// signerInfoWrite writes the context.
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func signerInfoWrite(fmtCtx formatter.Context, signerInfoList []signerInfo) error {
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signerInfoCtx := &signerInfoContext{
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HeaderContext: formatter.HeaderContext{
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Header: formatter.SubHeaderContext{
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"Signer": signerNameHeader,
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"Keys": keysHeader,
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},
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},
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}
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return fmtCtx.Write(signerInfoCtx, func(format func(subContext formatter.SubContext) error) error {
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for _, info := range signerInfoList {
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if err := format(&signerInfoContext{
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trunc: fmtCtx.Trunc,
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s: info,
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}); err != nil {
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return err
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}
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}
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return nil
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})
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}
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type signerInfoContext struct {
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formatter.HeaderContext
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trunc bool
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s signerInfo
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}
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// Keys returns the sorted list of keys associated with the signer
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func (c *signerInfoContext) Keys() string {
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sort.Strings(c.s.Keys)
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truncatedKeys := []string{}
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if c.trunc {
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for _, keyID := range c.s.Keys {
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truncatedKeys = append(truncatedKeys, formatter.TruncateID(keyID))
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}
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return strings.Join(truncatedKeys, ", ")
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}
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return strings.Join(c.s.Keys, ", ")
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}
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// Signer returns the name of the signer
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func (c *signerInfoContext) Signer() string {
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return c.s.Name
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}
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