1Panel/backend/middleware/cors.go

65 lines
1.9 KiB
Go

package middleware
import (
"net/http"
"github.com/1Panel-dev/1Panel/backend/configs"
"github.com/1Panel-dev/1Panel/backend/global"
"github.com/gin-gonic/gin"
)
func Cors() gin.HandlerFunc {
return func(c *gin.Context) {
method := c.Request.Method
origin := c.Request.Header.Get("Origin")
c.Header("Access-Control-Allow-Origin", origin)
c.Header("Access-Control-Allow-Headers", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token,X-Token,X-User-Id")
c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS,DELETE,PUT")
c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type, New-Token, New-Expires-At")
c.Header("Access-Control-Allow-Credentials", "true")
if method == "OPTIONS" {
c.AbortWithStatus(http.StatusNoContent)
}
c.Next()
}
}
func CorsByRules() gin.HandlerFunc {
mode := global.CONF.CORS.Mode
if mode == "allow-all" {
return Cors()
}
return func(c *gin.Context) {
whitelist := checkCors(c.GetHeader("origin"))
if whitelist != nil {
c.Header("Access-Control-Allow-Origin", whitelist.AllowOrigin)
c.Header("Access-Control-Allow-Headers", whitelist.AllowHeaders)
c.Header("Access-Control-Allow-Methods", whitelist.AllowMethods)
c.Header("Access-Control-Expose-Headers", whitelist.ExposeHeaders)
if whitelist.AllowCredentials {
c.Header("Access-Control-Allow-Credentials", "true")
}
}
if whitelist == nil && mode == "strict-whitelist" && !(c.Request.Method == "GET" && c.Request.URL.Path == "/health") {
c.AbortWithStatus(http.StatusForbidden)
} else {
if c.Request.Method == "OPTIONS" {
c.AbortWithStatus(http.StatusNoContent)
}
}
c.Next()
}
}
func checkCors(currentOrigin string) *configs.CORSWhiteList {
for _, whitelist := range global.CONF.CORS.WhiteList {
if currentOrigin == whitelist.AllowOrigin {
return &whitelist
}
}
return nil
}