mirror of https://github.com/docker/cli.git
136 lines
3.5 KiB
Go
136 lines
3.5 KiB
Go
package formatter
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import (
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"sort"
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"strings"
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"github.com/docker/docker/pkg/stringid"
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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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// NewTrustTagFormat returns a Format for rendering using a trusted tag Context
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func NewTrustTagFormat() Format {
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return defaultTrustTagTableFormat
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}
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// NewSignerInfoFormat returns a Format for rendering a signer role info Context
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func NewSignerInfoFormat() Format {
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return defaultSignerInfoTableFormat
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}
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// TrustTagWrite writes the context
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func TrustTagWrite(ctx Context, signedTagInfoList []SignedTagInfo) error {
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render := func(format func(subContext 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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trustTagCtx := trustTagContext{}
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trustTagCtx.header = trustTagHeaderContext{
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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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return ctx.Write(&trustTagCtx, render)
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}
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type trustTagHeaderContext map[string]string
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type trustTagContext struct {
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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(ctx Context, signerInfoList []SignerInfo) error {
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render := func(format func(subContext subContext) error) error {
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for _, signerInfo := range signerInfoList {
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if err := format(&signerInfoContext{
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trunc: ctx.Trunc,
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s: signerInfo,
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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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signerInfoCtx := signerInfoContext{}
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signerInfoCtx.header = signerInfoHeaderContext{
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"Signer": signerNameHeader,
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"Keys": keysHeader,
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}
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return ctx.Write(&signerInfoCtx, render)
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}
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type signerInfoHeaderContext map[string]string
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type signerInfoContext struct {
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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, stringid.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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