100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package api
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/Pterodactyl/wings/config"
|
|
"github.com/Pterodactyl/wings/control"
|
|
"github.com/gin-gonic/gin"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
const (
|
|
accessTokenHeader = "X-Access-Token"
|
|
accessServerHeader = "X-Access-Server"
|
|
|
|
// ContextVarServer is the gin.Context field containing the requested server (gin.Context.Get())
|
|
ContextVarServer = "server"
|
|
// ContextVarAuth is the gin.Context field containing the authorizationManager
|
|
// for the request (gin.Context.Get())
|
|
ContextVarAuth = "auth"
|
|
)
|
|
|
|
type responseError struct {
|
|
Error string `json:"error"`
|
|
}
|
|
|
|
// AuthorizationManager handles permission checks
|
|
type AuthorizationManager interface {
|
|
hasPermission(string) bool
|
|
}
|
|
|
|
type authorizationManager struct {
|
|
token string
|
|
server control.Server
|
|
}
|
|
|
|
var _ AuthorizationManager = &authorizationManager{}
|
|
|
|
func newAuthorizationManager(token string, server control.Server) *authorizationManager {
|
|
return &authorizationManager{
|
|
token: token,
|
|
server: server,
|
|
}
|
|
}
|
|
|
|
func (a *authorizationManager) hasPermission(permission string) bool {
|
|
if permission == "" {
|
|
return true
|
|
}
|
|
prefix := permission[:1]
|
|
if prefix == "c" {
|
|
return config.Get().ContainsAuthKey(a.token)
|
|
}
|
|
if a.server == nil {
|
|
return false
|
|
}
|
|
if prefix == "g" {
|
|
return config.Get().ContainsAuthKey(a.token)
|
|
}
|
|
if prefix == "s" {
|
|
return a.server.HasPermission(a.token, permission)
|
|
}
|
|
return false
|
|
}
|
|
|
|
// AuthHandler returns a HandlerFunc that checks request authentication
|
|
// permission is a permission string describing the required permission to access the route
|
|
func AuthHandler(permission string) gin.HandlerFunc {
|
|
return func(c *gin.Context) {
|
|
requestToken := c.Request.Header.Get(accessTokenHeader)
|
|
requestServer := c.Request.Header.Get(accessServerHeader)
|
|
var server control.Server
|
|
|
|
if requestToken == "" {
|
|
log.Debug("Token missing in request.")
|
|
c.JSON(http.StatusBadRequest, responseError{"Missing required " + accessTokenHeader + " header."})
|
|
c.Abort()
|
|
return
|
|
}
|
|
if requestServer != "" {
|
|
server = control.GetServer(requestServer)
|
|
//fmt.Println(server)
|
|
if server == nil {
|
|
log.WithField("serverUUID", requestServer).Error("Auth: Requested server not found.")
|
|
}
|
|
}
|
|
|
|
auth := newAuthorizationManager(requestToken, server)
|
|
|
|
if auth.hasPermission(permission) {
|
|
c.Set(ContextVarServer, server)
|
|
c.Set(ContextVarAuth, auth)
|
|
return
|
|
}
|
|
|
|
c.JSON(http.StatusForbidden, responseError{"You do not have permission to perform this action."})
|
|
c.Abort()
|
|
}
|
|
}
|