92 lines
2 KiB
Go
92 lines
2 KiB
Go
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package command
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import (
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"fmt"
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"os"
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"strings"
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"github.com/posener/complete"
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"github.com/ryanuber/columnize"
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"github.com/hashicorp/nomad/helper/tlsutil"
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)
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type TLSCertInfoCommand struct {
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Meta
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}
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func (c *TLSCertInfoCommand) Help() string {
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helpText := `
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Usage: nomad tls cert info <certificate file>
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Show information about a TLS certificate.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *TLSCertInfoCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{})
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}
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func (c *TLSCertInfoCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictOr(
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complete.PredictFiles("*.pem"),
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)
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}
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func (c *TLSCertInfoCommand) Synopsis() string {
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return "Show certificate information"
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}
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func (c *TLSCertInfoCommand) Name() string { return "tls cert info" }
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func (c *TLSCertInfoCommand) Run(args []string) int {
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flagSet := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flagSet.Usage = func() { c.Ui.Output(c.Help()) }
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if err := flagSet.Parse(args); err != nil {
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return 1
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}
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// Check that we got no arguments
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args = flagSet.Args()
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if l := len(args); l < 0 || l > 1 {
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c.Ui.Error("This command takes up to one argument")
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c.Ui.Error(commandErrorText(c))
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return 1
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}
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var certFile []byte
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var err error
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var file string
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if len(args) == 1 {
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file = args[0]
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certFile, err = os.ReadFile(file)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error reading certificate file: %v", err))
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return 1
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}
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}
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certInfo, err := tlsutil.ParseCert(string(certFile))
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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// Format the certificate info
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basic := []string{
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fmt.Sprintf("Serial Number|%s", certInfo.SerialNumber),
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fmt.Sprintf("Issuer CN|%s", certInfo.Issuer.CommonName),
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fmt.Sprintf("Common Name|%s", certInfo.Subject),
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fmt.Sprintf("Expiry Date|%s", certInfo.NotAfter),
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fmt.Sprintf("DNS Names|%s", certInfo.DNSNames),
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fmt.Sprintf("IP Addresses|%s", certInfo.IPAddresses),
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}
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// Print out the information
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c.Ui.Output(columnize.SimpleFormat(basic))
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return 0
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}
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