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
|
// Copyright (c) 2021 Tulir Asokan
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package store
import (
"crypto/md5"
"encoding/binary"
"fmt"
"strconv"
"strings"
"google.golang.org/protobuf/proto"
"go.mau.fi/libsignal/ecc"
waProto "go.mau.fi/whatsmeow/binary/proto"
)
// WAVersionContainer is a container for a WhatsApp web version number.
type WAVersionContainer [3]uint32
// ParseVersion parses a version string (three dot-separated numbers) into a WAVersionContainer.
func ParseVersion(version string) (parsed WAVersionContainer, err error) {
var part1, part2, part3 int
if parts := strings.Split(version, "."); len(parts) != 3 {
err = fmt.Errorf("'%s' doesn't contain three dot-separated parts", version)
} else if part1, err = strconv.Atoi(parts[0]); err != nil {
err = fmt.Errorf("first part of '%s' is not a number: %w", version, err)
} else if part2, err = strconv.Atoi(parts[1]); err != nil {
err = fmt.Errorf("second part of '%s' is not a number: %w", version, err)
} else if part3, err = strconv.Atoi(parts[2]); err != nil {
err = fmt.Errorf("third part of '%s' is not a number: %w", version, err)
} else {
parsed = WAVersionContainer{uint32(part1), uint32(part2), uint32(part3)}
}
return
}
func (vc WAVersionContainer) LessThan(other WAVersionContainer) bool {
return vc[0] < other[0] ||
(vc[0] == other[0] && vc[1] < other[1]) ||
(vc[0] == other[0] && vc[1] == other[1] && vc[2] < other[2])
}
// IsZero returns true if the version is zero.
func (vc WAVersionContainer) IsZero() bool {
return vc == [3]uint32{0, 0, 0}
}
// String returns the version number as a dot-separated string.
func (vc WAVersionContainer) String() string {
parts := make([]string, len(vc))
for i, part := range vc {
parts[i] = strconv.Itoa(int(part))
}
return strings.Join(parts, ".")
}
// Hash returns the md5 hash of the String representation of this version.
func (vc WAVersionContainer) Hash() [16]byte {
return md5.Sum([]byte(vc.String()))
}
func (vc WAVersionContainer) ProtoAppVersion() *waProto.AppVersion {
return &waProto.AppVersion{
Primary: &vc[0],
Secondary: &vc[1],
Tertiary: &vc[2],
}
}
// waVersion is the WhatsApp web client version
var waVersion = WAVersionContainer{2, 2218, 8}
// waVersionHash is the md5 hash of a dot-separated waVersion
var waVersionHash [16]byte
func init() {
waVersionHash = waVersion.Hash()
}
// GetWAVersion gets the current WhatsApp web client version.
func GetWAVersion() WAVersionContainer {
return waVersion
}
// SetWAVersion sets the current WhatsApp web client version.
//
// In general, you should keep the library up-to-date instead of using this,
// as there may be code changes that are necessary too (like protobuf schema changes).
func SetWAVersion(version WAVersionContainer) {
if version.IsZero() {
return
}
waVersion = version
waVersionHash = version.Hash()
}
var BaseClientPayload = &waProto.ClientPayload{
UserAgent: &waProto.UserAgent{
Platform: waProto.UserAgent_WEB.Enum(),
ReleaseChannel: waProto.UserAgent_RELEASE.Enum(),
AppVersion: waVersion.ProtoAppVersion(),
Mcc: proto.String("000"),
Mnc: proto.String("000"),
OsVersion: proto.String("0.1.0"),
Manufacturer: proto.String(""),
Device: proto.String("Desktop"),
OsBuildNumber: proto.String("0.1.0"),
LocaleLanguageIso6391: proto.String("en"),
LocaleCountryIso31661Alpha2: proto.String("en"),
},
WebInfo: &waProto.WebInfo{
WebSubPlatform: waProto.WebInfo_WEB_BROWSER.Enum(),
},
ConnectType: waProto.ClientPayload_WIFI_UNKNOWN.Enum(),
ConnectReason: waProto.ClientPayload_USER_ACTIVATED.Enum(),
}
// Deprecated: renamed to DeviceProps
var CompanionProps = DeviceProps
var DeviceProps = &waProto.CompanionProps{
Os: proto.String("whatsmeow"),
Version: &waProto.AppVersion{
Primary: proto.Uint32(0),
Secondary: proto.Uint32(1),
Tertiary: proto.Uint32(0),
},
PlatformType: waProto.CompanionProps_UNKNOWN.Enum(),
RequireFullSync: proto.Bool(false),
}
func SetOSInfo(name string, version [3]uint32) {
DeviceProps.Os = &name
DeviceProps.Version.Primary = &version[0]
DeviceProps.Version.Secondary = &version[1]
DeviceProps.Version.Tertiary = &version[2]
BaseClientPayload.UserAgent.OsVersion = proto.String(fmt.Sprintf("%d.%d.%d", version[0], version[1], version[2]))
BaseClientPayload.UserAgent.OsBuildNumber = BaseClientPayload.UserAgent.OsVersion
}
func (device *Device) getRegistrationPayload() *waProto.ClientPayload {
payload := proto.Clone(BaseClientPayload).(*waProto.ClientPayload)
regID := make([]byte, 4)
binary.BigEndian.PutUint32(regID, device.RegistrationID)
preKeyID := make([]byte, 4)
binary.BigEndian.PutUint32(preKeyID, device.SignedPreKey.KeyID)
deviceProps, _ := proto.Marshal(DeviceProps)
payload.DevicePairingData = &waProto.DevicePairingRegistrationData{
ERegid: regID,
EKeytype: []byte{ecc.DjbType},
EIdent: device.IdentityKey.Pub[:],
ESkeyId: preKeyID[1:],
ESkeyVal: device.SignedPreKey.Pub[:],
ESkeySig: device.SignedPreKey.Signature[:],
BuildHash: waVersionHash[:],
DeviceProps: deviceProps,
}
payload.Passive = proto.Bool(false)
return payload
}
func (device *Device) getLoginPayload() *waProto.ClientPayload {
payload := proto.Clone(BaseClientPayload).(*waProto.ClientPayload)
payload.Username = proto.Uint64(device.ID.UserInt())
payload.Device = proto.Uint32(uint32(device.ID.Device))
payload.Passive = proto.Bool(true)
return payload
}
func (device *Device) GetClientPayload() *waProto.ClientPayload {
if device.ID != nil {
return device.getLoginPayload()
} else {
return device.getRegistrationPayload()
}
}
|
