mirror of
https://github.com/alireza0/s-ui.git
synced 2026-06-28 03:30:51 +00:00
111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
package sub
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import (
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"fmt"
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"net/url"
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"strings"
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"github.com/alireza0/s-ui/logger"
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"github.com/alireza0/s-ui/service"
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"github.com/gin-gonic/gin"
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)
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type SubHandler struct {
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service.SettingService
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SubService
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JsonService
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ClashService
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}
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func NewSubHandler(g *gin.RouterGroup) {
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a := &SubHandler{}
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a.initRouter(g)
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}
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func (s *SubHandler) initRouter(g *gin.RouterGroup) {
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g.GET("/:subid", s.subs)
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g.HEAD("/:subid", s.subHeaders)
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}
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func (s *SubHandler) subs(c *gin.Context) {
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var headers []string
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var result *string
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var err error
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subId := c.Param("subid")
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format, isFormat := c.GetQuery("format")
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if isFormat {
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switch format {
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case "json":
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result, headers, err = s.JsonService.GetJson(subId, format)
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case "clash":
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result, headers, err = s.ClashService.GetClash(subId)
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}
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if err != nil || result == nil {
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logger.Error(err)
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c.String(400, "Error!")
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return
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}
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} else {
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result, headers, err = s.SubService.GetSubs(subId)
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if err != nil || result == nil {
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logger.Error(err)
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c.String(400, "Error!")
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return
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}
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}
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s.addHeaders(c, headers)
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c.String(200, *result)
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}
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func (s *SubHandler) subHeaders(c *gin.Context) {
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subId := c.Param("subid")
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client, err := s.SubService.getClientBySubId(subId)
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if err != nil {
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logger.Error(err)
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c.String(400, "Error!")
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return
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}
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headers := s.SubService.getClientHeaders(client)
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s.addHeaders(c, headers)
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c.Status(200)
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}
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func (s *SubHandler) addHeaders(c *gin.Context, headers []string) {
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c.Writer.Header().Set("Subscription-Userinfo", headers[0])
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c.Writer.Header().Set("Profile-Update-Interval", headers[1])
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c.Writer.Header().Set("Profile-Title", headers[2])
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c.Writer.Header().Set("Content-Disposition", contentDispositionHeader(headers[2]))
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}
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func contentDispositionHeader(name string) string {
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filename := strings.TrimSpace(name)
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if filename == "" {
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filename = "subscription"
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}
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return fmt.Sprintf("attachment; filename=\"%s\"; filename*=UTF-8''%s", asciiSafeFilename(filename), url.PathEscape(filename))
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}
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func asciiSafeFilename(filename string) string {
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var builder strings.Builder
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for _, r := range filename {
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switch {
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case r == '"' || r == '\\':
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builder.WriteByte('_')
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case r >= 0x20 && r <= 0x7e:
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builder.WriteRune(r)
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}
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}
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fallback := strings.TrimSpace(builder.String())
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if fallback == "" {
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return "subscription"
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}
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return fallback
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}
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