118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
package surge
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import (
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"bytes"
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"embed"
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"fmt"
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"net/url"
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"strings"
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"text/template"
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"time"
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"github.com/perfect-panel/server/pkg/adapter/proxy"
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"github.com/perfect-panel/server/pkg/logger"
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"github.com/perfect-panel/server/pkg/traffic"
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)
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//go:embed *.tpl
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var configFiles embed.FS
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type UserInfo struct {
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UUID string
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Upload int64
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Download int64
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TotalTraffic int64
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ExpiredDate time.Time
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SubscribeURL string
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}
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type Surge struct {
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Adapter proxy.Adapter
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UUID string
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User UserInfo
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}
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func NewSurge(adapter proxy.Adapter) *Surge {
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return &Surge{
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Adapter: adapter,
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}
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}
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func (m *Surge) Build(uuid, siteName string, user UserInfo) []byte {
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var proxies, proxyGroup, rules string
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for _, p := range m.Adapter.Proxies {
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switch p.Protocol {
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case "shadowsocks":
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proxies += buildShadowsocks(p, uuid)
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case "trojan":
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proxies += buildTrojan(p, uuid)
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case "hysteria2":
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proxies += buildHysteria2(p, uuid)
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case "vmess":
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proxies += buildVMess(p, uuid)
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}
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}
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for _, group := range m.Adapter.Group {
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if group.Type == proxy.GroupTypeSelect {
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proxyGroup += fmt.Sprintf("%s = select, %s", group.Name, strings.Join(group.Proxies, ", ")) + "\r\n"
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} else if group.Type == proxy.GroupTypeURLTest {
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proxyGroup += fmt.Sprintf("%s = url-test, %s, url=%s, interval=%d", group.Name, strings.Join(group.Proxies, ", "), group.URL, group.Interval) + "\r\n"
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} else if group.Type == proxy.GroupTypeFallback {
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proxyGroup += fmt.Sprintf("%s = fallback, %s, url=%s, interval=%d", group.Name, strings.Join(group.Proxies, ", "), group.URL, group.Interval) + "\r\n"
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} else {
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logger.Errorf("[BuildSurfboard] unknown group type: %s", group.Type)
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}
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}
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for _, rule := range m.Adapter.Rules {
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if rule == "" {
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continue
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}
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rules += rule + "\r\n"
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}
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//final rule
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rules += "\r\n" + "FINAL,手动选择,dns-failed"
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file, err := configFiles.ReadFile("default.tpl")
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if err != nil {
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logger.Errorf("read default surfboard config error: %v", err.Error())
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return nil
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}
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// replace template
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tpl, err := template.New("default").Parse(string(file))
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if err != nil {
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logger.Errorf("read default surfboard config error: %v", err.Error())
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return nil
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}
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var buf bytes.Buffer
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var expiredAt string
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if user.ExpiredDate.Before(time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)) {
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expiredAt = "长期有效"
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} else {
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expiredAt = user.ExpiredDate.Format("2006-01-02 15:04:05")
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}
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// convert traffic
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upload := traffic.AutoConvert(user.Upload, false)
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download := traffic.AutoConvert(user.Download, false)
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total := traffic.AutoConvert(user.TotalTraffic, false)
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unusedTraffic := traffic.AutoConvert(user.TotalTraffic-user.Upload-user.Download, false)
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// query Host
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urlParse, err := url.Parse(user.SubscribeURL)
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if err != nil {
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return nil
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}
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if err := tpl.Execute(&buf, map[string]interface{}{
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"Proxies": proxies,
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"ProxyGroup": proxyGroup,
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"SubscribeURL": user.SubscribeURL,
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"SubscribeInfo": fmt.Sprintf("title=%s订阅信息, content=上传流量：%s\\n下载流量：%s\\n剩余流量: %s\\n套餐流量：%s\\n到期时间：%s", siteName, upload, download, unusedTraffic, total, expiredAt),
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"SubscribeDomain": urlParse.Host,
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"Rules": rules,
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}); err != nil {
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logger.Errorf("build Surge config error: %v", err.Error())
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return nil
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}
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return buf.Bytes()
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}
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