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|
package sub
import (
"encoding/base64"
"net"
"strings"
"github.com/gin-gonic/gin"
)
type SUBController struct {
subPath string
subJsonPath string
subEncrypt bool
updateInterval string
subService *SubService
subJsonService *SubJsonService
}
func NewSUBController(
g *gin.RouterGroup,
subPath string,
jsonPath string,
encrypt bool,
showInfo bool,
rModel string,
update string,
jsonFragment string,
jsonNoise string,
jsonMux string,
jsonRules string,
) *SUBController {
sub := NewSubService(showInfo, rModel)
a := &SUBController{
subPath: subPath,
subJsonPath: jsonPath,
subEncrypt: encrypt,
updateInterval: update,
subService: sub,
subJsonService: NewSubJsonService(jsonFragment, jsonNoise, jsonMux, jsonRules, sub),
}
a.initRouter(g)
return a
}
func (a *SUBController) initRouter(g *gin.RouterGroup) {
gLink := g.Group(a.subPath)
gJson := g.Group(a.subJsonPath)
gLink.GET(":subid", a.subs)
gJson.GET(":subid", a.subJsons)
}
func (a *SUBController) subs(c *gin.Context) {
subId := c.Param("subid")
var host string
if h, err := getHostFromXFH(c.GetHeader("X-Forwarded-Host")); err == nil {
host = h
}
if host == "" {
host = c.GetHeader("X-Real-IP")
}
if host == "" {
var err error
host, _, err = net.SplitHostPort(c.Request.Host)
if err != nil {
host = c.Request.Host
}
}
subs, header, err := a.subService.GetSubs(subId, host)
if err != nil || len(subs) == 0 {
c.String(400, "Error!")
} else {
result := ""
for _, sub := range subs {
result += sub + "\n"
}
// Add headers
c.Writer.Header().Set("Subscription-Userinfo", header)
c.Writer.Header().Set("Profile-Update-Interval", a.updateInterval)
c.Writer.Header().Set("Profile-Title", subId)
if a.subEncrypt {
c.String(200, base64.StdEncoding.EncodeToString([]byte(result)))
} else {
c.String(200, result)
}
}
}
func (a *SUBController) subJsons(c *gin.Context) {
subId := c.Param("subid")
var host string
if h, err := getHostFromXFH(c.GetHeader("X-Forwarded-Host")); err == nil {
host = h
}
if host == "" {
host = c.GetHeader("X-Real-IP")
}
if host == "" {
var err error
host, _, err = net.SplitHostPort(c.Request.Host)
if err != nil {
host = c.Request.Host
}
}
jsonSub, header, err := a.subJsonService.GetJson(subId, host)
if err != nil || len(jsonSub) == 0 {
c.String(400, "Error!")
} else {
// Add headers
c.Writer.Header().Set("Subscription-Userinfo", header)
c.Writer.Header().Set("Profile-Update-Interval", a.updateInterval)
c.Writer.Header().Set("Profile-Title", subId)
c.String(200, jsonSub)
}
}
func getHostFromXFH(s string) (string, error) {
if strings.Contains(s, ":") {
realHost, _, err := net.SplitHostPort(s)
if err != nil {
return "", err
}
return realHost, nil
}
return s, nil
}
|
