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Merge pull request #17 from matthewpi/gin

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Port over remaining transfer/archive code to gin, delete http.go
This commit is contained in:
Dane Everitt 2020-04-06 12:57:47 -07:00 committed by GitHub
commit 0a13cfe236
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 106 additions and 167 deletions
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2
router/middleware.go
View File

@ -46,7 +46,7 @@ func AuthorizationMiddleware(c *gin.Context) {
}
// Helper function to fetch a server out of the servers collection stored in memory.
func GetServer (uuid string) *server.Server {
func GetServer(uuid string) *server.Server {
return server.GetServers().Find(func(s *server.Server) bool {
return uuid == s.Uuid
})

1
router/router.go
View File

@ -21,6 +21,7 @@ func Configure() *gin.Engine {
protected.GET("/api/system", getSystemInformation)
protected.GET("/api/servers", getAllServers)
protected.POST("/api/servers", postCreateServer)
protected.POST("/api/transfer", postTransfer)
// These are server specific routes, and require that the request be authorized, and
// that the server exist on the Daemon.

2
router/router_server.go
View File

@ -130,7 +130,7 @@ func patchServer(c *gin.Context) {
c.Status(http.StatusNoContent)
}
// Performs a server installation in a backgrounded thread.
// Performs a server installation in a background thread.
func postServerInstall(c *gin.Context) {
s := GetServer(c.Param("server"))

37
router/router_server_backup.go
View File

@ -2,12 +2,9 @@ package router
import (
"github.com/gin-gonic/gin"
"github.com/pkg/errors"
"github.com/pterodactyl/wings/api"
"github.com/pterodactyl/wings/server"
"go.uber.org/zap"
"net/http"
"time"
)
// Backs up a server.
@ -28,37 +25,3 @@ func postServerBackup(c *gin.Context) {
c.Status(http.StatusAccepted)
}
func getServerArchive(c *gin.Context) {
}
func postServerArchive(c *gin.Context) {
s := GetServer(c.Param("server"))
go func() {
start := time.Now()
if err := s.Archiver.Archive(); err != nil {
zap.S().Errorw("failed to get archive for server", zap.String("server", s.Uuid), zap.Error(err))
return
}
zap.S().Debugw("successfully created archive for server", zap.String("server", s.Uuid), zap.Duration("time", time.Now().Sub(start).Round(time.Microsecond)))
r := api.NewRequester()
rerr, err := r.SendArchiveStatus(s.Uuid, true)
if rerr != nil || err != nil {
if err != nil {
zap.S().Errorw("failed to notify panel with archive status", zap.String("server", s.Uuid), zap.Error(err))
return
}
zap.S().Errorw("panel returned an error when sending the archive status", zap.String("server", s.Uuid), zap.Error(errors.New(rerr.String())))
return
}
zap.S().Debugw("successfully notified panel about archive status", zap.String("server", s.Uuid))
}()
c.Status(http.StatusAccepted)
}

205
http.go → router/router_transfer.go
View File

@ -1,18 +1,18 @@
package main
package router
import (
"bufio"
"bytes"
"crypto/sha256"
"encoding/hex"
"errors"
"github.com/buger/jsonparser"
"github.com/gorilla/websocket"
"github.com/julienschmidt/httprouter"
"github.com/gin-gonic/gin"
"github.com/mholt/archiver/v3"
"github.com/pkg/errors"
"github.com/pterodactyl/wings/api"
"github.com/pterodactyl/wings/config"
"github.com/pterodactyl/wings/installer"
"github.com/pterodactyl/wings/router/tokens"
"github.com/pterodactyl/wings/server"
"go.uber.org/zap"
"io"
@ -22,143 +22,122 @@ import (
"path/filepath"
"strconv"
"strings"
"time"
)
// Retrieves a server out of the collection by UUID.
func (rt *Router) GetServer(uuid string) *server.Server {
return server.GetServers().Find(func(i *server.Server) bool {
return i.Uuid == uuid
func getServerArchive(c *gin.Context) {
auth := strings.SplitN(c.GetHeader("Authorization"), " ", 2)
if len(auth) != 2 || auth[0] != "Bearer" {
c.Header("WWW-Authenticate", "Bearer")
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "The required authorization heads were not present in the request.",
})
}
type Router struct {
upgrader websocket.Upgrader
// The authentication token defined in the config.yml file that allows
// a request to perform any action against the daemon.
token string
}
func (rt *Router) AuthenticateRequest(h httprouter.Handle) httprouter.Handle {
return rt.AuthenticateToken(rt.AuthenticateServer(h))
}
// Middleware to protect server specific routes. This will ensure that the server exists and
// is in a state that allows it to be exposed to the API.
func (rt *Router) AuthenticateServer(h httprouter.Handle) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
if rt.GetServer(ps.ByName("server")) != nil {
h(w, r, ps)
return
}
http.NotFound(w, r)
}
}
// Attaches required access control headers to all of the requests.
func (rt *Router) AttachAccessControlHeaders(w http.ResponseWriter, r *http.Request, ps httprouter.Params) (http.ResponseWriter, *http.Request, httprouter.Params) {
w.Header().Set("Access-Control-Allow-Origin", config.Get().PanelLocation)
w.Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
return w, r, ps
}
// Authenticates the request token against the given permission string, ensuring that
// if it is a server permission, the token has control over that server. If it is a global
// token, this will ensure that the request is using a properly signed global token.
func (rt *Router) AuthenticateToken(h httprouter.Handle) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
// Adds support for using this middleware on the websocket routes for servers. Those
// routes don't support Authorization headers, per the spec, so we abuse the socket
// protocol header and use that to pass the authorization token along to Wings without
// exposing the token in the URL directly. Neat. 📸
auth := strings.SplitN(r.Header.Get("Authorization"), " ", 2)
if len(auth) != 2 || auth[0] != "Bearer" {
w.Header().Set("WWW-Authenticate", "Bearer")
http.Error(w, "authorization failed", http.StatusUnauthorized)
token := tokens.TransferPayload{}
if err := tokens.ParseToken([]byte(c.Query("token")), &token); err != nil {
TrackedError(err).AbortWithServerError(c)
return
}
// Try to match the request against the global token for the Daemon, regardless
// of the permission type. If nothing is matched we will fall through to the Panel
// API to try and validate permissions for a server.
if auth[1] == rt.token {
h(rt.AttachAccessControlHeaders(w, r, ps))
if token.Subject != c.Param("server") {
c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
"error": "You are not authorized to access this endpoint.",
})
return
}
// Happens because we don't have any of the server handling code here.
http.Error(w, "not implemented", http.StatusNotImplemented)
return
}
}
func (rt *Router) routeGetServerArchive(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
auth := strings.SplitN(r.Header.Get("Authorization"), " ", 2)
if len(auth) != 2 || auth[0] != "Bearer" {
w.Header().Set("WWW-Authenticate", "Bearer")
http.Error(w, "authorization failed", http.StatusUnauthorized)
return
}
token, err := ParseArchiveJWT([]byte(auth[1]))
if err != nil {
http.Error(w, "authorization failed", http.StatusUnauthorized)
return
}
if token.Subject != ps.ByName("server") {
http.Error(w, "forbidden", http.StatusForbidden)
return
}
s := rt.GetServer(ps.ByName("server"))
s := GetServer(c.Param("server"))
st, err := s.Archiver.Stat()
if err != nil {
if !os.IsNotExist(err) {
zap.S().Errorw("failed to stat archive for reading", zap.String("server", s.Uuid), zap.Error(err))
http.Error(w, "failed to stat archive", http.StatusInternalServerError)
// zap.S().Errorw("failed to stat archive for reading", zap.String("server", s.Uuid), zap.Error(err))
TrackedServerError(err, s).SetMessage("failed to stat archive").AbortWithServerError(c)
return
}
http.NotFound(w, r)
c.AbortWithStatus(http.StatusNotFound)
return
}
checksum, err := s.Archiver.Checksum()
if err != nil {
zap.S().Errorw("failed to calculate checksum", zap.String("server", s.Uuid), zap.Error(err))
http.Error(w, "failed to calculate checksum", http.StatusInternalServerError)
// zap.S().Errorw("failed to calculate checksum", zap.String("server", s.Uuid), zap.Error(err))
TrackedServerError(err, s).SetMessage("failed to calculate checksum").AbortWithServerError(c)
return
}
file, err := os.Open(s.Archiver.ArchivePath())
if err != nil {
tserr := TrackedServerError(err, s)
if !os.IsNotExist(err) {
zap.S().Errorw("failed to open archive for reading", zap.String("server", s.Uuid), zap.Error(err))
tserr.SetMessage("failed to open archive for reading")
// zap.S().Errorw("failed to open archive for reading", zap.String("server", s.Uuid), zap.Error(err))
} else {
tserr.SetMessage("failed to open archive")
}
http.Error(w, "failed to open archive", http.StatusInternalServerError)
tserr.AbortWithServerError(c)
return
}
defer file.Close()
w.Header().Set("X-Checksum", checksum)
w.Header().Set("X-Mime-Type", st.Mimetype)
w.Header().Set("Content-Length", strconv.Itoa(int(st.Info.Size())))
w.Header().Set("Content-Disposition", "attachment; filename="+s.Archiver.ArchiveName())
w.Header().Set("Content-Type", "application/octet-stream")
c.Header("X-Checksum", checksum)
c.Header("X-Mime-Type", st.Mimetype)
c.Header("Content-Length", strconv.Itoa(int(st.Info.Size())))
c.Header("Content-Disposition", "attachment; filename="+s.Archiver.ArchiveName())
c.Header("Content-Type", "application/octet-stream")
bufio.NewReader(file).WriteTo(w)
bufio.NewReader(file).WriteTo(c.Writer)
}
func (rt *Router) routeIncomingTransfer(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
zap.S().Debug("incoming transfer from panel!")
defer r.Body.Close()
func postServerArchive(c *gin.Context) {
s := GetServer(c.Param("server"))
go func(server *server.Server) {
start := time.Now()
if err := server.Archiver.Archive(); err != nil {
zap.S().Errorw("failed to get archive for server", zap.String("server", s.Uuid), zap.Error(err))
return
}
zap.S().Debugw(
"successfully created archive for server",
zap.String("server", server.Uuid),
zap.Duration("time", time.Now().Sub(start).Round(time.Microsecond)),
)
r := api.NewRequester()
rerr, err := r.SendArchiveStatus(server.Uuid, true)
if rerr != nil || err != nil {
if err != nil {
zap.S().Errorw("failed to notify panel with archive status", zap.String("server", server.Uuid), zap.Error(err))
return
}
zap.S().Errorw(
"panel returned an error when sending the archive status",
zap.String("server", server.Uuid),
zap.Error(errors.New(rerr.String())),
)
return
}
zap.S().Debugw("successfully notified panel about archive status", zap.String("server", server.Uuid))
}(s)
c.Status(http.StatusAccepted)
}
func postTransfer(c *gin.Context) {
zap.S().Debug("incoming transfer from panel")
buf := bytes.Buffer{}
buf.ReadFrom(c.Request.Body)
go func(data []byte) {
serverID, _ := jsonparser.GetString(data, "server_id")
@ -323,25 +302,7 @@ func (rt *Router) routeIncomingTransfer(w http.ResponseWriter, r *http.Request,
zap.S().Debugw("successfully notified panel about transfer success", zap.String("server", serverID))
hasError = false
}(rt.ReaderToBytes(r.Body))
}(buf.Bytes())
w.WriteHeader(202)
}
func (rt *Router) ReaderToBytes(r io.Reader) []byte {
buf := bytes.Buffer{}
buf.ReadFrom(r)
return buf.Bytes()
}
// Configures the router and all of the associated routes.
func (rt *Router) ConfigureRouter() *httprouter.Router {
router := httprouter.New()
router.GET("/api/servers/:server/archive", rt.AuthenticateServer(rt.routeGetServerArchive))
router.POST("/api/transfer", rt.AuthenticateToken(rt.routeIncomingTransfer))
return router
c.Status(http.StatusAccepted)
}

8
router/tokens/token_store.go
View File

@ -1,25 +1,25 @@
package tokens
import (
cache2 "github.com/patrickmn/go-cache"
"github.com/patrickmn/go-cache"
"sync"
"time"
)
type TokenStore struct {
cache *cache2.Cache
cache *cache.Cache
mutex *sync.Mutex
}
var _tokens *TokenStore
// Returns the global unqiue token store cache. This is used to validate
// Returns the global unique token store cache. This is used to validate
// one time token usage by storing any received tokens in a local memory
// cache until they are ready to expire.
func getTokenStore() *TokenStore {
if _tokens == nil {
_tokens = &TokenStore{
cache: cache2.New(time.Minute*60, time.Minute*5),
cache: cache.New(time.Minute*60, time.Minute*5),
mutex: &sync.Mutex{},
}
}

14
router/tokens/transfer.go Normal file
View File

@ -0,0 +1,14 @@
package tokens
import (
"github.com/gbrlsnchs/jwt/v3"
)
type TransferPayload struct {
jwt.Payload
}
// GetPayload returns the JWT payload.
func (p *TransferPayload) GetPayload() *jwt.Payload {
return &p.Payload
}