kubernetes/vendor/github.com/cloudflare/cfssl/cli/info/info.go
2018-08-08 21:01:29 -07:00

111 lines
2.2 KiB
Go

// Package info implements the info command.
package info
import (
"encoding/json"
"fmt"
"github.com/cloudflare/cfssl/api/client"
"github.com/cloudflare/cfssl/cli"
"github.com/cloudflare/cfssl/cli/sign"
"github.com/cloudflare/cfssl/errors"
"github.com/cloudflare/cfssl/helpers"
"github.com/cloudflare/cfssl/info"
goerr "errors"
)
var infoUsageTxt = `cfssl info -- get info about a remote signer
Usage:
Get info about a remote signer:
cfssl info -remote remote_host [-label label] [-profile profile] [-label label]
Flags:
`
var infoFlags = []string{"remote", "label", "profile", "config"}
func getInfoFromRemote(c cli.Config) (resp *info.Resp, err error) {
req := new(info.Req)
req.Label = c.Label
req.Profile = c.Profile
cert, err := helpers.LoadClientCertificate(c.MutualTLSCertFile, c.MutualTLSKeyFile)
if err != nil {
return
}
remoteCAs, err := helpers.LoadPEMCertPool(c.TLSRemoteCAs)
if err != nil {
return
}
serv := client.NewServerTLS(c.Remote, helpers.CreateTLSConfig(remoteCAs, cert))
reqJSON, _ := json.Marshal(req)
resp, err = serv.Info(reqJSON)
if err != nil {
return
}
_, err = helpers.ParseCertificatePEM([]byte(resp.Certificate))
if err != nil {
return
}
return
}
func getInfoFromConfig(c cli.Config) (resp *info.Resp, err error) {
s, err := sign.SignerFromConfig(c)
if err != nil {
return
}
req := new(info.Req)
req.Label = c.Label
req.Profile = c.Profile
resp, err = s.Info(*req)
if err != nil {
return
}
return
}
func infoMain(args []string, c cli.Config) (err error) {
if len(args) > 0 {
return goerr.New("argument is provided but not defined; please refer to the usage by flag -h.")
}
var resp *info.Resp
if c.Remote != "" {
resp, err = getInfoFromRemote(c)
if err != nil {
return
}
} else if c.CFG != nil {
resp, err = getInfoFromConfig(c)
if err != nil {
return
}
} else {
return goerr.New("Either -remote or -config must be given. Refer to cfssl info -h for usage.")
}
respJSON, err := json.Marshal(resp)
if err != nil {
return errors.NewBadRequest(err)
}
fmt.Print(string(respJSON))
return nil
}
// Command assembles the definition of Command 'info'
var Command = &cli.Command{
UsageText: infoUsageTxt,
Flags: infoFlags,
Main: infoMain,
}