mirror of
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98 lines
2.2 KiB
Go
98 lines
2.2 KiB
Go
package commands
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import (
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"errors"
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"io"
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"strings"
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cmds "github.com/jbenet/go-ipfs/commands"
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u "github.com/jbenet/go-ipfs/util"
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)
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type ResolvedKey struct {
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Key u.Key
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}
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var resolveCmd = &cmds.Command{
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Helptext: cmds.HelpText{
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Tagline: "Gets the value currently published at an IPNS name",
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ShortDescription: `
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IPNS is a PKI namespace, where names are the hashes of public keys, and
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the private key enables publishing new (signed) values. In resolve, the
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default value of <name> is your own identity public key.
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`,
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LongDescription: `
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IPNS is a PKI namespace, where names are the hashes of public keys, and
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the private key enables publishing new (signed) values. In resolve, the
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default value of <name> is your own identity public key.
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Examples:
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Resolve the value of your identity:
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> ipfs name resolve
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QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy
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Resolve te value of another name:
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> ipfs name resolve QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n
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QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy
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`,
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},
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Arguments: []cmds.Argument{
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cmds.StringArg("name", false, false, "The IPNS name to resolve. Defaults to your node's peerID.").EnableStdin(),
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},
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Run: func(req cmds.Request, res cmds.Response) {
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n, err := req.Context().GetNode()
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if err != nil {
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res.SetError(err, cmds.ErrNormal)
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return
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}
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if !n.OnlineMode() {
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err := n.SetupOfflineRouting()
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if err != nil {
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res.SetError(err, cmds.ErrNormal)
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return
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}
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}
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var name string
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if len(req.Arguments()) == 0 {
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if n.Identity == "" {
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res.SetError(errors.New("Identity not loaded!"), cmds.ErrNormal)
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return
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}
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name = n.Identity.Pretty()
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} else {
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name = req.Arguments()[0]
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}
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output, err := n.Namesys.Resolve(n.Context(), name)
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if err != nil {
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res.SetError(err, cmds.ErrNormal)
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return
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}
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// TODO: better errors (in the case of not finding the name, we get "failed to find any peer in table")
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res.SetOutput(&ResolvedKey{output})
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},
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Marshalers: cmds.MarshalerMap{
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cmds.Text: func(res cmds.Response) (io.Reader, error) {
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output, ok := res.Output().(*ResolvedKey)
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if !ok {
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return nil, u.ErrCast()
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}
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return strings.NewReader(output.Key.B58String()), nil
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},
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},
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Type: ResolvedKey{},
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}
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