netbird/management/server/http/peers_handler.go

356 lines
11 KiB
Go

package http
import (
"encoding/json"
"fmt"
"net/http"
"github.com/gorilla/mux"
log "github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/management/server"
nbgroup "github.com/netbirdio/netbird/management/server/group"
"github.com/netbirdio/netbird/management/server/http/api"
"github.com/netbirdio/netbird/management/server/http/util"
"github.com/netbirdio/netbird/management/server/jwtclaims"
nbpeer "github.com/netbirdio/netbird/management/server/peer"
"github.com/netbirdio/netbird/management/server/status"
)
// PeersHandler is a handler that returns peers of the account
type PeersHandler struct {
accountManager server.AccountManager
claimsExtractor *jwtclaims.ClaimsExtractor
}
// NewPeersHandler creates a new PeersHandler HTTP handler
func NewPeersHandler(accountManager server.AccountManager, authCfg AuthCfg) *PeersHandler {
return &PeersHandler{
accountManager: accountManager,
claimsExtractor: jwtclaims.NewClaimsExtractor(
jwtclaims.WithAudience(authCfg.Audience),
jwtclaims.WithUserIDClaim(authCfg.UserIDClaim),
),
}
}
func (h *PeersHandler) checkPeerStatus(peer *nbpeer.Peer) (*nbpeer.Peer, error) {
peerToReturn := peer.Copy()
if peer.Status.Connected {
// Although we have online status in store we do not yet have an updated channel so have to show it as disconnected
// This may happen after server restart when not all peers are yet connected
if !h.accountManager.HasConnectedChannel(peer.ID) {
peerToReturn.Status.Connected = false
}
}
return peerToReturn, nil
}
func (h *PeersHandler) getPeer(account *server.Account, peerID, userID string, w http.ResponseWriter) {
peer, err := h.accountManager.GetPeer(account.Id, peerID, userID)
if err != nil {
util.WriteError(err, w)
return
}
peerToReturn, err := h.checkPeerStatus(peer)
if err != nil {
util.WriteError(err, w)
return
}
dnsDomain := h.accountManager.GetDNSDomain()
groupsInfo := toGroupsInfo(account.Groups, peer.ID)
validPeers, err := h.accountManager.GetValidatedPeers(account)
if err != nil {
log.Errorf("failed to list appreoved peers: %v", err)
util.WriteError(fmt.Errorf("internal error"), w)
return
}
netMap := account.GetPeerNetworkMap(peerID, h.accountManager.GetDNSDomain(), validPeers)
accessiblePeers := toAccessiblePeers(netMap, dnsDomain)
_, valid := validPeers[peer.ID]
util.WriteJSONObject(w, toSinglePeerResponse(peerToReturn, groupsInfo, dnsDomain, accessiblePeers, valid))
}
func (h *PeersHandler) updatePeer(account *server.Account, user *server.User, peerID string, w http.ResponseWriter, r *http.Request) {
req := &api.PeerRequest{}
err := json.NewDecoder(r.Body).Decode(&req)
if err != nil {
util.WriteErrorResponse("couldn't parse JSON request", http.StatusBadRequest, w)
return
}
update := &nbpeer.Peer{
ID: peerID,
SSHEnabled: req.SshEnabled,
Name: req.Name,
LoginExpirationEnabled: req.LoginExpirationEnabled,
}
if req.ApprovalRequired != nil {
// todo: looks like that we reset all status property, is it right?
update.Status = &nbpeer.PeerStatus{
RequiresApproval: *req.ApprovalRequired,
}
}
peer, err := h.accountManager.UpdatePeer(account.Id, user.Id, update)
if err != nil {
util.WriteError(err, w)
return
}
dnsDomain := h.accountManager.GetDNSDomain()
groupMinimumInfo := toGroupsInfo(account.Groups, peer.ID)
validPeers, err := h.accountManager.GetValidatedPeers(account)
if err != nil {
log.Errorf("failed to list appreoved peers: %v", err)
util.WriteError(fmt.Errorf("internal error"), w)
return
}
netMap := account.GetPeerNetworkMap(peerID, h.accountManager.GetDNSDomain(), validPeers)
accessiblePeers := toAccessiblePeers(netMap, dnsDomain)
_, valid := validPeers[peer.ID]
util.WriteJSONObject(w, toSinglePeerResponse(peer, groupMinimumInfo, dnsDomain, accessiblePeers, valid))
}
func (h *PeersHandler) deletePeer(accountID, userID string, peerID string, w http.ResponseWriter) {
err := h.accountManager.DeletePeer(accountID, peerID, userID)
if err != nil {
log.Errorf("failed to delete peer: %v", err)
util.WriteError(err, w)
return
}
util.WriteJSONObject(w, emptyObject{})
}
// HandlePeer handles all peer requests for GET, PUT and DELETE operations
func (h *PeersHandler) HandlePeer(w http.ResponseWriter, r *http.Request) {
claims := h.claimsExtractor.FromRequestContext(r)
account, user, err := h.accountManager.GetAccountFromToken(claims)
if err != nil {
util.WriteError(err, w)
return
}
vars := mux.Vars(r)
peerID := vars["peerId"]
if len(peerID) == 0 {
util.WriteError(status.Errorf(status.InvalidArgument, "invalid peer ID"), w)
return
}
switch r.Method {
case http.MethodDelete:
h.deletePeer(account.Id, user.Id, peerID, w)
return
case http.MethodPut:
h.updatePeer(account, user, peerID, w, r)
return
case http.MethodGet:
h.getPeer(account, peerID, user.Id, w)
return
default:
util.WriteError(status.Errorf(status.NotFound, "unknown METHOD"), w)
}
}
// GetAllPeers returns a list of all peers associated with a provided account
func (h *PeersHandler) GetAllPeers(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
util.WriteError(status.Errorf(status.NotFound, "unknown METHOD"), w)
return
}
claims := h.claimsExtractor.FromRequestContext(r)
account, user, err := h.accountManager.GetAccountFromToken(claims)
if err != nil {
util.WriteError(err, w)
return
}
peers, err := h.accountManager.GetPeers(account.Id, user.Id)
if err != nil {
util.WriteError(err, w)
return
}
dnsDomain := h.accountManager.GetDNSDomain()
respBody := make([]*api.PeerBatch, 0, len(peers))
for _, peer := range peers {
peerToReturn, err := h.checkPeerStatus(peer)
if err != nil {
util.WriteError(err, w)
return
}
groupMinimumInfo := toGroupsInfo(account.Groups, peer.ID)
accessiblePeerNumbers, _ := h.accessiblePeersNumber(account, peer.ID)
respBody = append(respBody, toPeerListItemResponse(peerToReturn, groupMinimumInfo, dnsDomain, accessiblePeerNumbers))
}
validPeersMap, err := h.accountManager.GetValidatedPeers(account)
if err != nil {
log.Errorf("failed to list appreoved peers: %v", err)
util.WriteError(fmt.Errorf("internal error"), w)
return
}
h.setApprovalRequiredFlag(respBody, validPeersMap)
util.WriteJSONObject(w, respBody)
}
func (h *PeersHandler) accessiblePeersNumber(account *server.Account, peerID string) (int, error) {
validatedPeersMap, err := h.accountManager.GetValidatedPeers(account)
if err != nil {
return 0, err
}
netMap := account.GetPeerNetworkMap(peerID, h.accountManager.GetDNSDomain(), validatedPeersMap)
return len(netMap.Peers) + len(netMap.OfflinePeers), nil
}
func (h *PeersHandler) setApprovalRequiredFlag(respBody []*api.PeerBatch, approvedPeersMap map[string]struct{}) {
for _, peer := range respBody {
_, ok := approvedPeersMap[peer.Id]
if !ok {
peer.ApprovalRequired = true
}
}
}
func toAccessiblePeers(netMap *server.NetworkMap, dnsDomain string) []api.AccessiblePeer {
accessiblePeers := make([]api.AccessiblePeer, 0, len(netMap.Peers)+len(netMap.OfflinePeers))
for _, p := range netMap.Peers {
ap := api.AccessiblePeer{
Id: p.ID,
Name: p.Name,
Ip: p.IP.String(),
DnsLabel: fqdn(p, dnsDomain),
UserId: p.UserID,
}
accessiblePeers = append(accessiblePeers, ap)
}
for _, p := range netMap.OfflinePeers {
ap := api.AccessiblePeer{
Id: p.ID,
Name: p.Name,
Ip: p.IP.String(),
DnsLabel: fqdn(p, dnsDomain),
UserId: p.UserID,
}
accessiblePeers = append(accessiblePeers, ap)
}
return accessiblePeers
}
func toGroupsInfo(groups map[string]*nbgroup.Group, peerID string) []api.GroupMinimum {
var groupsInfo []api.GroupMinimum
groupsChecked := make(map[string]struct{})
for _, group := range groups {
_, ok := groupsChecked[group.ID]
if ok {
continue
}
groupsChecked[group.ID] = struct{}{}
for _, pk := range group.Peers {
if pk == peerID {
info := api.GroupMinimum{
Id: group.ID,
Name: group.Name,
PeersCount: len(group.Peers),
}
groupsInfo = append(groupsInfo, info)
break
}
}
}
return groupsInfo
}
func toSinglePeerResponse(peer *nbpeer.Peer, groupsInfo []api.GroupMinimum, dnsDomain string, accessiblePeer []api.AccessiblePeer, approved bool) *api.Peer {
osVersion := peer.Meta.OSVersion
if osVersion == "" {
osVersion = peer.Meta.Core
}
return &api.Peer{
Id: peer.ID,
Name: peer.Name,
Ip: peer.IP.String(),
ConnectionIp: peer.Location.ConnectionIP.String(),
Connected: peer.Status.Connected,
LastSeen: peer.Status.LastSeen,
Os: fmt.Sprintf("%s %s", peer.Meta.OS, osVersion),
KernelVersion: peer.Meta.KernelVersion,
GeonameId: int(peer.Location.GeoNameID),
Version: peer.Meta.WtVersion,
Groups: groupsInfo,
SshEnabled: peer.SSHEnabled,
Hostname: peer.Meta.Hostname,
UserId: peer.UserID,
UiVersion: peer.Meta.UIVersion,
DnsLabel: fqdn(peer, dnsDomain),
LoginExpirationEnabled: peer.LoginExpirationEnabled,
LastLogin: peer.LastLogin,
LoginExpired: peer.Status.LoginExpired,
AccessiblePeers: accessiblePeer,
ApprovalRequired: !approved,
CountryCode: peer.Location.CountryCode,
CityName: peer.Location.CityName,
SerialNumber: peer.Meta.SystemSerialNumber,
}
}
func toPeerListItemResponse(peer *nbpeer.Peer, groupsInfo []api.GroupMinimum, dnsDomain string, accessiblePeersCount int) *api.PeerBatch {
osVersion := peer.Meta.OSVersion
if osVersion == "" {
osVersion = peer.Meta.Core
}
return &api.PeerBatch{
Id: peer.ID,
Name: peer.Name,
Ip: peer.IP.String(),
ConnectionIp: peer.Location.ConnectionIP.String(),
Connected: peer.Status.Connected,
LastSeen: peer.Status.LastSeen,
Os: fmt.Sprintf("%s %s", peer.Meta.OS, osVersion),
KernelVersion: peer.Meta.KernelVersion,
GeonameId: int(peer.Location.GeoNameID),
Version: peer.Meta.WtVersion,
Groups: groupsInfo,
SshEnabled: peer.SSHEnabled,
Hostname: peer.Meta.Hostname,
UserId: peer.UserID,
UiVersion: peer.Meta.UIVersion,
DnsLabel: fqdn(peer, dnsDomain),
LoginExpirationEnabled: peer.LoginExpirationEnabled,
LastLogin: peer.LastLogin,
LoginExpired: peer.Status.LoginExpired,
AccessiblePeersCount: accessiblePeersCount,
CountryCode: peer.Location.CountryCode,
CityName: peer.Location.CityName,
SerialNumber: peer.Meta.SystemSerialNumber,
}
}
func fqdn(peer *nbpeer.Peer, dnsDomain string) string {
fqdn := peer.FQDN(dnsDomain)
if fqdn == "" {
return peer.DNSLabel
} else {
return fqdn
}
}