forked from keybase/client
-
Notifications
You must be signed in to change notification settings - Fork 0
/
track_token.go
200 lines (168 loc) · 4.67 KB
/
track_token.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
// Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package engine
import (
"fmt"
"github.com/keybase/client/go/libkb"
keybase1 "github.com/keybase/client/go/protocol"
jsonw "github.com/keybase/go-jsonw"
)
// TrackToken is an engine.
type TrackToken struct {
libkb.Contextified
arg *TrackTokenArg
them *libkb.User
signingKeyPub libkb.GenericKey
signingKeyPriv libkb.GenericKey
trackStatementBytes []byte
trackStatement *jsonw.Wrapper
lockedKey *libkb.SKB
lockedWhich string
}
type TrackTokenArg struct {
Token libkb.IdentifyCacheToken
Me *libkb.User
Options keybase1.TrackOptions
}
// NewTrackToken creates a TrackToken engine.
func NewTrackToken(arg *TrackTokenArg, g *libkb.GlobalContext) *TrackToken {
return &TrackToken{
arg: arg,
Contextified: libkb.NewContextified(g),
}
}
// Name is the unique engine name.
func (e *TrackToken) Name() string {
return "TrackToken"
}
// GetPrereqs returns the engine prereqs.
func (e *TrackToken) Prereqs() Prereqs {
return Prereqs{
Session: true,
}
}
// RequiredUIs returns the required UIs.
func (e *TrackToken) RequiredUIs() []libkb.UIKind {
return []libkb.UIKind{}
}
// SubConsumers returns the other UI consumers for this engine.
func (e *TrackToken) SubConsumers() []libkb.UIConsumer {
return nil
}
// Run starts the engine.
func (e *TrackToken) Run(ctx *Context) error {
if len(e.arg.Token) == 0 {
return fmt.Errorf("missing TrackToken argument")
}
if err := e.loadMe(); err != nil {
e.G().Log.Info("loadme err: %s", err)
return err
}
outcome, err := e.G().IdentifyCache.Get(e.arg.Token)
if err != nil {
return err
}
if outcome.TrackStatus() == keybase1.TrackStatus_UPDATE_OK {
e.G().Log.Debug("tracking statement up-to-date.")
return nil
}
if err := e.loadThem(outcome.Username); err != nil {
return err
}
if e.arg.Me.Equal(e.them) {
return libkb.SelfTrackError{}
}
ska := libkb.SecretKeyArg{
Me: e.arg.Me,
KeyType: libkb.DeviceSigningKeyType,
}
e.lockedKey, e.lockedWhich, err = e.G().Keyrings.GetSecretKeyLocked(ctx.LoginContext, ska)
if err != nil {
e.G().Log.Debug("secretkey err: %s", err)
return err
}
e.lockedKey.SetUID(e.arg.Me.GetUID())
e.signingKeyPub, err = e.lockedKey.GetPubKey()
if err != nil {
e.G().Log.Debug("getpubkey err: %s", err)
return err
}
if e.trackStatement, err = e.arg.Me.TrackingProofFor(e.signingKeyPub, e.them, outcome); err != nil {
e.G().Log.Debug("tracking proof err: %s", err)
return err
}
if e.trackStatementBytes, err = e.trackStatement.Marshal(); err != nil {
return err
}
e.G().Log.Debug("| Tracking statement: %s", string(e.trackStatementBytes))
if e.arg.Options.LocalOnly {
err = e.storeLocalTrack()
} else {
err = e.storeRemoteTrack(ctx)
}
return err
}
func (e *TrackToken) loadMe() error {
if e.arg.Me != nil {
return nil
}
me, err := libkb.LoadMe(libkb.NewLoadUserArg(e.G()))
if err != nil {
return err
}
e.arg.Me = me
return nil
}
func (e *TrackToken) loadThem(username string) error {
them, err := libkb.LoadUser(libkb.NewLoadUserByNameArg(e.G(), username))
if err != nil {
return err
}
e.them = them
return nil
}
func (e *TrackToken) storeLocalTrack() error {
return libkb.StoreLocalTrack(e.arg.Me.GetUID(), e.them.GetUID(), e.trackStatement, e.G())
}
func (e *TrackToken) storeRemoteTrack(ctx *Context) (err error) {
e.G().Log.Debug("+ StoreRemoteTrack")
defer func() {
e.G().Log.Debug("- StoreRemoteTrack -> %s", libkb.ErrToOk(err))
}()
var secretStore libkb.SecretStore
if e.arg.Me != nil {
e.lockedKey.SetUID(e.arg.Me.GetUID())
secretStore = libkb.NewSecretStore(e.G(), e.arg.Me.GetNormalizedName())
}
// need to unlock private key
e.signingKeyPriv, err = e.lockedKey.PromptAndUnlock(ctx.LoginContext, "tracking signature", e.lockedWhich, secretStore, ctx.SecretUI, nil, e.arg.Me)
if err != nil {
return err
}
if e.signingKeyPriv == nil {
return libkb.NoSecretKeyError{}
}
sig, sigid, err := e.signingKeyPriv.SignToString(e.trackStatementBytes)
if err != nil {
return err
}
_, err = e.G().API.Post(libkb.APIArg{
Endpoint: "follow",
NeedSession: true,
Args: libkb.HTTPArgs{
"sig_id_base": libkb.S{Val: sigid.ToString(false)},
"sig_id_short": libkb.S{Val: sigid.ToShortID()},
"sig": libkb.S{Val: sig},
"uid": libkb.UIDArg(e.them.GetUID()),
"type": libkb.S{Val: "track"},
"signing_kid": e.signingKeyPub.GetKID(),
},
})
if err != nil {
e.G().Log.Info("api error: %s", err)
return err
}
linkid := libkb.ComputeLinkID(e.trackStatementBytes)
e.arg.Me.SigChainBump(linkid, sigid)
return err
}