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|
package rules
import (
"encoding/json"
"os"
"path/filepath"
"strings"
"vpnem/internal/models"
)
type Store struct {
dataDir string
connections *ConnectionStore
}
func NewStore(dataDir string) *Store {
s := &Store{
dataDir: dataDir,
connections: NewConnectionStore(dataDir),
}
_ = s.connections.Load()
return s
}
// Connections returns the connection store for recommendation logic.
func (s *Store) Connections() *ConnectionStore {
return s.connections
}
func (s *Store) LoadServers() (*models.ServersResponse, error) {
data, err := os.ReadFile(filepath.Join(s.dataDir, "servers.json"))
if err != nil {
return nil, err
}
var resp models.ServersResponse
if err := json.Unmarshal(data, &resp); err != nil {
return nil, err
}
return &resp, nil
}
func (s *Store) LoadRuleSets() (*models.RuleSetManifest, error) {
data, err := os.ReadFile(filepath.Join(s.dataDir, "rulesets.json"))
if err != nil {
return nil, err
}
var manifest models.RuleSetManifest
if err := json.Unmarshal(data, &manifest); err != nil {
return nil, err
}
return &manifest, nil
}
func (s *Store) LoadVersion() (*models.VersionResponse, error) {
data, err := os.ReadFile(filepath.Join(s.dataDir, "version.json"))
if err != nil {
return nil, err
}
var ver models.VersionResponse
if err := json.Unmarshal(data, &ver); err != nil {
return nil, err
}
return &ver, nil
}
func (s *Store) LoadCatalogV2() (*models.CatalogV2, error) {
data, err := os.ReadFile(filepath.Join(s.dataDir, "catalog-v2.json"))
if err != nil {
return nil, err
}
var catalog models.CatalogV2
if err := json.Unmarshal(data, &catalog); err != nil {
return nil, err
}
return &catalog, nil
}
func (s *Store) LoadCatalogV2OrLegacy() (*models.CatalogV2, error) {
catalog, err := s.LoadCatalogV2()
if err == nil {
return catalog, nil
}
if !os.IsNotExist(err) {
return nil, err
}
servers, err := s.LoadServers()
if err != nil {
return nil, err
}
return legacyServersToCatalog(servers.Servers), nil
}
func (s *Store) LoadRoutingPolicy() (*models.RoutingPolicy, error) {
data, err := os.ReadFile(filepath.Join(s.dataDir, "routing-policy.json"))
if err != nil {
return nil, err
}
var policy models.RoutingPolicy
if err := json.Unmarshal(data, &policy); err != nil {
return nil, err
}
return &policy, nil
}
func (s *Store) RulesDir() string {
return filepath.Join(s.dataDir, "rules")
}
func (s *Store) ReleasesDir() string {
return filepath.Join(s.dataDir, "releases")
}
func (s *Store) DataDir() string {
return s.dataDir
}
func legacyServersToCatalog(servers []models.Server) *models.CatalogV2 {
nodesByID := make(map[string]*models.CatalogNode, len(servers))
order := make([]string, 0, len(servers))
for _, server := range servers {
nodeID := server.Tag
if existingID, protocolType, ok := splitLegacyTag(server.Tag); ok && existingID != "" {
nodeID = existingID
server.Type = protocolType
}
node := nodesByID[nodeID]
if node == nil {
node = &models.CatalogNode{
ID: nodeID,
Name: nodeID,
Region: server.Region,
Host: server.Server,
PublicHost: server.Server,
Status: "published",
}
nodesByID[nodeID] = node
order = append(order, nodeID)
}
node.Protocols = append(node.Protocols, legacyServerToCatalogProtocol(server))
}
nodes := make([]models.CatalogNode, 0, len(order))
for _, id := range order {
nodes = append(nodes, *nodesByID[id])
}
return &models.CatalogV2{
Version: "legacy-adapter",
Nodes: nodes,
}
}
func legacyServerToCatalogProtocol(server models.Server) models.CatalogProtocol {
protocolType := server.Type
if protocolType == "socks" {
protocolType = "socks5"
}
protocol := models.CatalogProtocol{
Type: protocolType,
Enabled: true,
Port: server.ServerPort,
TLS: server.TLS,
Extra: make(map[string]any),
}
switch server.Type {
case "vless", "vless-reality", "vmess":
protocol.Auth = &models.CatalogAuth{UUID: server.UUID}
protocol.Extra["legacy_tag"] = server.Tag
if server.Transport != nil {
protocol.Extra["transport_type"] = server.Transport.Type
if server.Transport.Path != "" {
protocol.Extra["path"] = server.Transport.Path
}
}
case "shadowsocks":
protocol.Auth = &models.CatalogAuth{Method: server.Method, Password: server.Password}
protocol.Extra["legacy_tag"] = server.Tag
case "hysteria2":
protocol.Auth = &models.CatalogAuth{Password: server.Password}
protocol.Extra["legacy_tag"] = server.Tag
if server.ObfsPassword != "" {
protocol.Extra["obfs_password"] = server.ObfsPassword
}
if server.UpMbps > 0 {
protocol.Extra["up_mbps"] = server.UpMbps
}
if server.DownMbps > 0 {
protocol.Extra["down_mbps"] = server.DownMbps
}
case "socks":
protocol.Extra["legacy_tag"] = server.Tag
protocol.Extra["udp_over_tcp"] = server.UDPOverTCP
}
if len(protocol.Extra) == 0 {
protocol.Extra = nil
}
return protocol
}
func splitLegacyTag(tag string) (nodeID, protocolType string, ok bool) {
for _, candidate := range []string{"vless-reality", "vless", "vmess", "shadowsocks", "hysteria2", "socks", "socks5"} {
suffix := "-" + candidate
if strings.HasSuffix(tag, suffix) && len(tag) > len(suffix) {
return strings.TrimSuffix(tag, suffix), candidate, true
}
}
return "", "", false
}
|
