82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package router
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import (
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/pterodactyl/wings/config"
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"github.com/pterodactyl/wings/server"
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"net/http"
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"strings"
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)
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// Set the access request control headers on all of the requests.
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func SetAccessControlHeaders(c *gin.Context) {
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c.Header("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
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o := c.GetHeader("Origin")
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if o != config.Get().PanelLocation {
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for _, origin := range config.Get().AllowedOrigins {
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if o != origin {
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continue
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}
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c.Header("Access-Control-Allow-Origin", origin)
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c.Next()
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return
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}
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}
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c.Header("Access-Control-Allow-Origin", config.Get().PanelLocation)
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c.Next()
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}
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// Authenticates the request token against the given permission string, ensuring that
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// if it is a server permission, the token has control over that server. If it is a global
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// token, this will ensure that the request is using a properly signed global token.
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func AuthorizationMiddleware(c *gin.Context) {
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auth := strings.SplitN(c.GetHeader("Authorization"), " ", 2)
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if len(auth) != 2 || auth[0] != "Bearer" {
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c.Header("WWW-Authenticate", "Bearer")
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "The required authorization heads were not present in the request.",
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})
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return
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}
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// Try to match the request against the global token for the Daemon, regardless
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// of the permission type. If nothing is matched we will fall through to the Panel
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// API to try and validate permissions for a server.
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if auth[1] == config.Get().AuthenticationToken {
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c.Next()
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return
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}
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c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
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"error": "You are not authorized to access this endpoint.",
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})
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}
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// Helper function to fetch a server out of the servers collection stored in memory.
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func GetServer(uuid string) *server.Server {
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return server.GetServers().Find(func(s *server.Server) bool {
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return uuid == s.Id()
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})
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}
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// Ensure that the requested server exists in this setup. Returns a 404 if we cannot
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// locate it.
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func ServerExists(c *gin.Context) {
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u, err := uuid.Parse(c.Param("server"))
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if err != nil || GetServer(u.String()) == nil {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{
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"error": "The resource you requested does not exist.",
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})
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return
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}
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c.Next()
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}
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