github.com/vmware/govmomi@v0.51.0/cli/library/trust/ls.go (about)

     1  // © Broadcom. All Rights Reserved.
     2  // The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
     3  // SPDX-License-Identifier: Apache-2.0
     4  
     5  package trust
     6  
     7  import (
     8  	"context"
     9  	"crypto/x509"
    10  	"encoding/pem"
    11  	"flag"
    12  	"fmt"
    13  	"io"
    14  	"text/tabwriter"
    15  
    16  	"github.com/vmware/govmomi/cli"
    17  	"github.com/vmware/govmomi/cli/flags"
    18  	"github.com/vmware/govmomi/vapi/library"
    19  )
    20  
    21  type ls struct {
    22  	*flags.ClientFlag
    23  	*flags.OutputFlag
    24  }
    25  
    26  func init() {
    27  	cli.Register("library.trust.ls", &ls{})
    28  }
    29  
    30  func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
    31  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    32  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    33  	cmd.ClientFlag.Register(ctx, f)
    34  	cmd.OutputFlag.Register(ctx, f)
    35  }
    36  
    37  func (cmd *ls) Process(ctx context.Context) error {
    38  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    39  		return err
    40  	}
    41  	return nil
    42  }
    43  
    44  func (cmd *ls) Description() string {
    45  	return `List trusted certificates for content libraries.
    46  
    47  Examples:
    48    govc library.trust.ls
    49    govc library.trust.ls -json`
    50  }
    51  
    52  type lsResultsWriter struct {
    53  	TrustedCertificates []library.TrustedCertificateSummary `json:"certificates,omitempty"`
    54  }
    55  
    56  func (r lsResultsWriter) Write(w io.Writer) error {
    57  	tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
    58  
    59  	for _, cert := range r.TrustedCertificates {
    60  		block, _ := pem.Decode([]byte(cert.Text))
    61  		x, err := x509.ParseCertificate(block.Bytes)
    62  		if err != nil {
    63  			return err
    64  		}
    65  
    66  		x.Subject.Names = nil // trim x.Subject.String() output
    67  
    68  		fmt.Fprintf(tw, "%s\t%s\n", cert.ID, x.Subject)
    69  	}
    70  
    71  	return tw.Flush()
    72  }
    73  
    74  func (r lsResultsWriter) Dump() any {
    75  	return r.TrustedCertificates
    76  }
    77  
    78  func (cmd *ls) Run(ctx context.Context, _ *flag.FlagSet) error {
    79  	c, err := cmd.RestClient()
    80  	if err != nil {
    81  		return err
    82  	}
    83  
    84  	certs, err := library.NewManager(c).ListTrustedCertificates(ctx)
    85  	if err != nil {
    86  		return err
    87  	}
    88  
    89  	return cmd.WriteResult(&lsResultsWriter{certs})
    90  }