annotate cmd/sievemgr/main.go @ 1:eec31eb2d21a

Add info subcommand for displaying some information about the server
author Guido Berhoerster <guido+managesieve@berhoerster.name>
date Sat, 17 Oct 2020 22:40:57 +0200
parents 6369453d47a3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
1 // Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
2 //
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
3 // Permission is hereby granted, free of charge, to any person obtaining
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
4 // a copy of this software and associated documentation files (the
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
5 // "Software"), to deal in the Software without restriction, including
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
6 // without limitation the rights to use, copy, modify, merge, publish,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
7 // distribute, sublicense, and/or sell copies of the Software, and to
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
8 // permit persons to whom the Software is furnished to do so, subject to
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
9 // the following conditions:
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
10 //
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
11 // The above copyright notice and this permission notice shall be included
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
12 // in all copies or substantial portions of the Software.
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
13 //
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
17 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
18 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
19 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
20 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
21
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
22 package main
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
23
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
24 import (
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
25 "errors"
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
26 "flag"
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
27 "fmt"
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
28 "os"
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
29 )
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
30
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
31 const (
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
32 exitSuccess = iota
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
33 exitFailure
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
34 exitUsage
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
35 )
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
36
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
37 type usageError string
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
38
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
39 func (e usageError) Error() string {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
40 return string(e)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
41 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
42
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
43 var (
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
44 skipCertVerify bool
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
45 username string
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
46 passwordFilename string
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
47 )
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
48
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
49 var cmds = []*command{
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
50 cmdList,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
51 cmdPut,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
52 cmdGet,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
53 cmdActivate,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
54 cmdDeactivate,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
55 cmdDelete,
1
eec31eb2d21a Add info subcommand for displaying some information about the server
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents: 0
diff changeset
56 cmdInfo,
0
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
57 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
58
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
59 func usage() {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
60 fmt.Fprintf(flag.CommandLine.Output(),
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
61 "usage:\n %s [options] [subcommand [options] [arguments]]\n",
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
62 flag.CommandLine.Name())
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
63 fmt.Fprintln(flag.CommandLine.Output(), "subcommands:")
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
64 for _, cmd := range cmds {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
65 fmt.Fprintf(flag.CommandLine.Output(), " %s\n", cmd.Name())
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
66 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
67 fmt.Fprintln(flag.CommandLine.Output(), "global options:")
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
68 flag.PrintDefaults()
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
69 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
70
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
71 func main() {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
72 flag.Usage = usage
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
73 flag.BoolVar(&skipCertVerify, "I", false,
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
74 "Skip TLS certificate verification")
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
75 flag.Parse()
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
76 if flag.NArg() == 0 {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
77 fmt.Fprintln(flag.CommandLine.Output(), "missing subcommand")
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
78 usage()
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
79 os.Exit(exitUsage)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
80 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
81
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
82 name := flag.Arg(0)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
83 var cmd *command
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
84 for _, c := range cmds {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
85 if c.Name() == name {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
86 cmd = c
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
87 break
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
88 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
89 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
90 if cmd == nil {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
91 fmt.Fprintf(flag.CommandLine.Output(),
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
92 "unknown subcommand %q\n", name)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
93 usage()
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
94 os.Exit(exitUsage)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
95 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
96
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
97 cmd.Flag.Init(cmd.Name(), flag.ExitOnError)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
98 cmd.Flag.Usage = cmd.Usage
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
99 args := flag.Args()
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
100 if err := cmd.Flag.Parse(args[1:]); err != nil {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
101 fmt.Fprintln(flag.CommandLine.Output(), err)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
102 os.Exit(exitFailure)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
103 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
104
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
105 if err := cmd.Run(cmd, cmd.Flag.Args()); err != nil {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
106 fmt.Fprintln(flag.CommandLine.Output(), err)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
107
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
108 var uerr usageError
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
109 if errors.As(err, &uerr) {
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
110 cmd.Usage()
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
111 os.Exit(exitUsage)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
112 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
113
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
114 os.Exit(exitFailure)
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
115 }
6369453d47a3 Initial revision
Guido Berhoerster <guido+managesieve@berhoerster.name>
parents:
diff changeset
116 }