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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
package v2ray
import (
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"os"
"strings"
"log"
"github.com/Loyalsoldier/geoip/lib"
"google.golang.org/protobuf/proto"
)
const (
TypeGeoIPDatIn = "v2rayGeoIPDat"
DescGeoIPDatIn = "Convert V2Ray GeoIP dat to other formats"
)
func init() {
lib.RegisterInputConfigCreator(TypeGeoIPDatIn, func(action lib.Action, data json.RawMessage) (lib.InputConverter, error) {
return NewGeoIPDatInFromBytes(action, data)
})
lib.RegisterInputConverter(TypeGeoIPDatIn, &geoIPDatIn{
Description: DescGeoIPDatIn,
})
}
type geoIPDatIn struct {
Type string
Action lib.Action
Description string
URI string
Want map[string]bool
OnlyIPType lib.IPType
}
func NewGeoIPDatIn(action lib.Action, opts ...lib.InputOption) lib.InputConverter {
g := &geoIPDatIn{
Type: TypeGeoIPDatIn,
Action: action,
Description: DescGeoIPDatIn,
}
for _, opt := range opts {
if opt != nil {
opt(g)
}
}
return g
}
func WithV2rayURI(uri string) lib.InputOption {
return func(g lib.InputConverter) {
uri = strings.TrimSpace(uri)
if uri == "" {
log.Fatalf("❌ [type %s | action %s] missing uri", TypeGeoIPDatIn, g.(*geoIPDatIn).Action)
}
g.(*geoIPDatIn).URI = uri
}
}
func WithV2rayInputWantedList(lists []string) lib.InputOption {
return func(g lib.InputConverter) {
wantList := make(map[string]bool)
for _, want := range lists {
if want = strings.ToUpper(strings.TrimSpace(want)); want != "" {
wantList[want] = true
}
}
g.(*geoIPDatIn).Want = wantList
}
}
func WithV2rayInputOnlyIPType(onlyIPType lib.IPType) lib.InputOption {
return func(g lib.InputConverter) {
g.(*geoIPDatIn).OnlyIPType = onlyIPType
}
}
func NewGeoIPDatInFromBytes(action lib.Action, data []byte) (lib.InputConverter, error) {
var tmp struct {
URI string `json:"uri"`
Want []string `json:"wantedList"`
OnlyIPType lib.IPType `json:"onlyIPType"`
}
if len(data) > 0 {
if err := json.Unmarshal(data, &tmp); err != nil {
return nil, err
}
}
return NewGeoIPDatIn(
action,
WithV2rayURI(tmp.URI),
WithV2rayInputWantedList(tmp.Want),
WithV2rayInputOnlyIPType(tmp.OnlyIPType),
), nil
}
func (g *geoIPDatIn) GetType() string {
return g.Type
}
func (g *geoIPDatIn) GetAction() lib.Action {
return g.Action
}
func (g *geoIPDatIn) GetDescription() string {
return g.Description
}
func (g *geoIPDatIn) Input(container lib.Container) (lib.Container, error) {
entries := make(map[string]*lib.Entry)
var err error
switch {
case strings.HasPrefix(strings.ToLower(g.URI), "http://"), strings.HasPrefix(strings.ToLower(g.URI), "https://"):
err = g.walkRemoteFile(g.URI, entries)
default:
err = g.walkLocalFile(g.URI, entries)
}
if err != nil {
return nil, err
}
if len(entries) == 0 {
return nil, fmt.Errorf("❌ [type %s | action %s] no entry is generated", g.Type, g.Action)
}
ignoreIPType := lib.GetIgnoreIPType(g.OnlyIPType)
for _, entry := range entries {
switch g.Action {
case lib.ActionAdd:
if err := container.Add(entry, ignoreIPType); err != nil {
return nil, err
}
case lib.ActionRemove:
if err := container.Remove(entry, lib.CaseRemovePrefix, ignoreIPType); err != nil {
return nil, err
}
default:
return nil, lib.ErrUnknownAction
}
}
return container, nil
}
func (g *geoIPDatIn) walkLocalFile(path string, entries map[string]*lib.Entry) error {
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
if err := g.generateEntries(file, entries); err != nil {
return err
}
return nil
}
func (g *geoIPDatIn) walkRemoteFile(url string, entries map[string]*lib.Entry) error {
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("❌ [type %s | action %s] failed to get remote file %s, http status code %d", g.Type, g.Action, url, resp.StatusCode)
}
if err := g.generateEntries(resp.Body, entries); err != nil {
return err
}
return nil
}
func (g *geoIPDatIn) generateEntries(reader io.Reader, entries map[string]*lib.Entry) error {
geoipBytes, err := io.ReadAll(reader)
if err != nil {
return err
}
var geoipList GeoIPList
if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
return err
}
for _, geoip := range geoipList.Entry {
name := strings.ToUpper(strings.TrimSpace(geoip.CountryCode))
if len(g.Want) > 0 && !g.Want[name] {
continue
}
entry, found := entries[name]
if !found {
entry = lib.NewEntry(name)
}
for _, v2rayCIDR := range geoip.Cidr {
ipStr := net.IP(v2rayCIDR.GetIp()).String() + "/" + fmt.Sprint(v2rayCIDR.GetPrefix())
if err := entry.AddPrefix(ipStr); err != nil {
return err
}
}
entries[name] = entry
}
return nil
}
|
