1package commands
2
3import (
4 "bufio"
5 "fmt"
6 "os"
7 "strings"
8
9 "github.com/mattn/go-isatty"
10 "github.com/pkg/errors"
11 "github.com/spf13/cobra"
12
13 "github.com/MichaelMure/git-bug/bridge"
14 "github.com/MichaelMure/git-bug/bridge/core"
15 "github.com/MichaelMure/git-bug/bridge/core/auth"
16 "github.com/MichaelMure/git-bug/cache"
17)
18
19type bridgeAuthAddTokenOptions struct {
20 target string
21 login string
22 user string
23}
24
25func newBridgeAuthAddTokenCommand() *cobra.Command {
26 env := newEnv()
27 options := bridgeAuthAddTokenOptions{}
28
29 cmd := &cobra.Command{
30 Use: "add-token [TOKEN]",
31 Short: "Store a new token",
32 PreRunE: loadBackendEnsureUser(env),
33 PostRunE: closeBackend(env),
34 RunE: func(cmd *cobra.Command, args []string) error {
35 return runBridgeAuthAddToken(env, options, args)
36 },
37 Args: cobra.MaximumNArgs(1),
38 }
39
40 flags := cmd.Flags()
41 flags.SortFlags = false
42
43 flags.StringVarP(&options.target, "target", "t", "",
44 fmt.Sprintf("The target of the bridge. Valid values are [%s]", strings.Join(bridge.Targets(), ",")))
45 flags.StringVarP(&options.login,
46 "login", "l", "", "The login in the remote bug-tracker")
47 flags.StringVarP(&options.user,
48 "user", "u", "", "The user to add the token to. Default is the current user")
49
50 return cmd
51}
52
53func runBridgeAuthAddToken(env *Env, opts bridgeAuthAddTokenOptions, args []string) error {
54 // Note: as bridgeAuthAddTokenLogin is not checked against the remote bug-tracker,
55 // it's possible to register a credential with an incorrect login (including bad case).
56 // The consequence is that it will not get picked later by the bridge. I find that
57 // checking it would require a cumbersome UX (need to provide a base URL for some bridges, ...)
58 // so it's probably not worth it, unless we refactor that entirely.
59
60 if opts.target == "" {
61 return fmt.Errorf("flag --target is required")
62 }
63 if opts.login == "" {
64 return fmt.Errorf("flag --login is required")
65 }
66
67 if !core.TargetExist(opts.target) {
68 return fmt.Errorf("unknown target")
69 }
70
71 var value string
72
73 if len(args) == 1 {
74 value = args[0]
75 } else {
76 // Read from Stdin
77 if isatty.IsTerminal(os.Stdin.Fd()) {
78 env.err.Println("Enter the token:")
79 }
80 reader := bufio.NewReader(os.Stdin)
81 raw, err := reader.ReadString('\n')
82 if err != nil {
83 return fmt.Errorf("reading from stdin: %v", err)
84 }
85 value = strings.TrimSuffix(raw, "\n")
86 }
87
88 var user *cache.IdentityCache
89 var err error
90
91 if opts.user == "" {
92 user, err = env.backend.GetUserIdentity()
93 } else {
94 user, err = env.backend.ResolveIdentityPrefix(opts.user)
95 }
96 if err != nil {
97 return err
98 }
99
100 metaKey, _ := bridge.LoginMetaKey(opts.target)
101 login, ok := user.ImmutableMetadata()[metaKey]
102
103 switch {
104 case ok && login == opts.login:
105 // nothing to do
106 case ok && login != opts.login:
107 return fmt.Errorf("this user is already tagged with a different %s login", opts.target)
108 default:
109 user.SetMetadata(metaKey, opts.login)
110 err = user.Commit()
111 if err != nil {
112 return err
113 }
114 }
115
116 token := auth.NewToken(opts.target, value)
117 token.SetMetadata(auth.MetaKeyLogin, opts.login)
118
119 if err := token.Validate(); err != nil {
120 return errors.Wrap(err, "invalid token")
121 }
122
123 err = auth.Store(env.repo, token)
124 if err != nil {
125 return err
126 }
127
128 env.out.Printf("token %s added\n", token.ID())
129 return nil
130}