netmaker/controllers/hosts.go

1145 lines
35 KiB
Go

package controller
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"time"
"github.com/google/uuid"
"github.com/gorilla/mux"
"github.com/gravitl/netmaker/database"
"github.com/gravitl/netmaker/logger"
"github.com/gravitl/netmaker/logic"
"github.com/gravitl/netmaker/models"
"github.com/gravitl/netmaker/mq"
"github.com/gravitl/netmaker/servercfg"
"golang.org/x/crypto/bcrypt"
"golang.org/x/exp/slog"
)
func hostHandlers(r *mux.Router) {
r.HandleFunc("/api/hosts", logic.SecurityCheck(true, http.HandlerFunc(getHosts))).
Methods(http.MethodGet)
r.HandleFunc("/api/hosts/keys", logic.SecurityCheck(true, http.HandlerFunc(updateAllKeys))).
Methods(http.MethodPut)
r.HandleFunc("/api/hosts/sync", logic.SecurityCheck(true, http.HandlerFunc(syncHosts))).
Methods(http.MethodPost)
r.HandleFunc("/api/hosts/upgrade", logic.SecurityCheck(true, http.HandlerFunc(upgradeHosts))).
Methods(http.MethodPost)
r.HandleFunc("/api/hosts/{hostid}/keys", logic.SecurityCheck(true, http.HandlerFunc(updateKeys))).
Methods(http.MethodPut)
r.HandleFunc("/api/hosts/{hostid}/sync", logic.SecurityCheck(true, http.HandlerFunc(syncHost))).
Methods(http.MethodPost)
r.HandleFunc("/api/hosts/{hostid}", logic.SecurityCheck(true, http.HandlerFunc(updateHost))).
Methods(http.MethodPut)
r.HandleFunc("/api/hosts/{hostid}", Authorize(true, false, "all", http.HandlerFunc(deleteHost))).
Methods(http.MethodDelete)
r.HandleFunc("/api/hosts/{hostid}/upgrade", logic.SecurityCheck(true, http.HandlerFunc(upgradeHost))).
Methods(http.MethodPut)
r.HandleFunc("/api/hosts/{hostid}/networks/{network}", logic.SecurityCheck(true, http.HandlerFunc(addHostToNetwork))).
Methods(http.MethodPost)
r.HandleFunc("/api/hosts/{hostid}/networks/{network}", logic.SecurityCheck(true, http.HandlerFunc(deleteHostFromNetwork))).
Methods(http.MethodDelete)
r.HandleFunc("/api/hosts/adm/authenticate", authenticateHost).Methods(http.MethodPost)
r.HandleFunc("/api/v1/host", Authorize(true, false, "host", http.HandlerFunc(pull))).
Methods(http.MethodGet)
r.HandleFunc("/api/v1/host/{hostid}/signalpeer", Authorize(true, false, "host", http.HandlerFunc(signalPeer))).
Methods(http.MethodPost)
r.HandleFunc("/api/v1/fallback/host/{hostid}", Authorize(true, false, "host", http.HandlerFunc(hostUpdateFallback))).
Methods(http.MethodPut)
r.HandleFunc("/api/v1/host/{hostid}/peer_info", Authorize(true, false, "host", http.HandlerFunc(getHostPeerInfo))).
Methods(http.MethodGet)
r.HandleFunc("/api/emqx/hosts", logic.SecurityCheck(true, http.HandlerFunc(delEmqxHosts))).
Methods(http.MethodDelete)
r.HandleFunc("/api/v1/auth-register/host", socketHandler)
}
// @Summary Requests all the hosts to upgrade their version
// @Router /api/hosts/upgrade [post]
// @Tags Hosts
// @Security oauth
// @Param force query bool false "Force upgrade"
// @Success 200 {string} string "upgrade all hosts request received"
func upgradeHosts(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
action := models.Upgrade
if r.URL.Query().Get("force") == "true" {
action = models.ForceUpgrade
}
user := r.Header.Get("user")
go func() {
slog.Info("requesting all hosts to upgrade", "user", user)
hosts, err := logic.GetAllHosts()
if err != nil {
slog.Error("failed to retrieve all hosts", "user", user, "error", err)
return
}
for _, host := range hosts {
go func(host models.Host) {
hostUpdate := models.HostUpdate{
Action: action,
Host: host,
}
if err = mq.HostUpdate(&hostUpdate); err != nil {
slog.Error("failed to request host to upgrade", "user", user, "host", host.ID.String(), "error", err)
} else {
slog.Info("host upgrade requested", "user", user, "host", host.ID.String())
}
}(host)
}
}()
logic.LogEvent(&models.Event{
Action: models.UpgradeAll,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: "All Hosts",
Name: "All Hosts",
Type: models.DeviceSub,
},
Origin: models.Dashboard,
})
slog.Info("upgrade all hosts request received", "user", user)
logic.ReturnSuccessResponse(w, r, "upgrade all hosts request received")
}
// @Summary Upgrade a host
// @Router /api/hosts/{hostid}/upgrade [put]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param force query bool false "Force upgrade"
// @Success 200 {string} string "passed message to upgrade host"
// @Failure 500 {object} models.ErrorResponse
// upgrade host is a handler to send upgrade message to a host
func upgradeHost(w http.ResponseWriter, r *http.Request) {
host, err := logic.GetHost(mux.Vars(r)["hostid"])
if err != nil {
slog.Error("failed to find host", "error", err)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "notfound"))
return
}
action := models.Upgrade
if r.URL.Query().Get("force") == "true" {
action = models.ForceUpgrade
}
if err := mq.HostUpdate(&models.HostUpdate{Action: action, Host: *host}); err != nil {
slog.Error("failed to upgrade host", "error", err)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logic.ReturnSuccessResponse(w, r, "passed message to upgrade host")
}
// @Summary List all hosts
// @Router /api/hosts [get]
// @Tags Hosts
// @Security oauth
// @Success 200 {array} models.ApiHost
// @Failure 500 {object} models.ErrorResponse
func getHosts(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
currentHosts, err := logic.GetAllHosts()
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to fetch hosts: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
apiHosts := logic.GetAllHostsAPI(currentHosts[:])
logger.Log(2, r.Header.Get("user"), "fetched all hosts")
logic.SortApiHosts(apiHosts[:])
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(apiHosts)
}
// @Summary Used by clients for "pull" command
// @Router /api/v1/host [get]
// @Tags Hosts
// @Security oauth
// @Success 200 {object} models.HostPull
// @Failure 500 {object} models.ErrorResponse
func pull(w http.ResponseWriter, r *http.Request) {
hostID := r.Header.Get(hostIDHeader) // return JSON/API formatted keys
if len(hostID) == 0 {
logger.Log(0, "no host authorized to pull")
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(fmt.Errorf("no host authorized to pull"), "internal"),
)
return
}
host, err := logic.GetHost(hostID)
if err != nil {
logger.Log(0, "no host found during pull", hostID)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
sendPeerUpdate := false
for _, nodeID := range host.Nodes {
node, err := logic.GetNodeByID(nodeID)
if err != nil {
slog.Error("failed to get node:", "id", node.ID, "error", err)
continue
}
if node.FailedOverBy != uuid.Nil && r.URL.Query().Get("reset_failovered") == "true" {
logic.ResetFailedOverPeer(&node)
sendPeerUpdate = true
}
}
if sendPeerUpdate {
if err := mq.PublishPeerUpdate(false); err != nil {
logger.Log(0, "fail to publish peer update: ", err.Error())
}
}
allNodes, err := logic.GetAllNodes()
if err != nil {
logger.Log(0, "failed to get nodes: ", hostID)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
hPU, err := logic.GetPeerUpdateForHost("", host, allNodes, nil, nil)
if err != nil {
logger.Log(0, "could not pull peers for host", hostID, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
serverConf := logic.GetServerInfo()
key, keyErr := logic.RetrievePublicTrafficKey()
if keyErr != nil {
logger.Log(0, "error retrieving key:", keyErr.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(keyErr, "internal"))
return
}
_ = logic.CheckHostPorts(host)
serverConf.TrafficKey = key
response := models.HostPull{
Host: *host,
Nodes: logic.GetHostNodes(host),
ServerConfig: serverConf,
Peers: hPU.Peers,
PeerIDs: hPU.PeerIDs,
HostNetworkInfo: hPU.HostNetworkInfo,
EgressRoutes: hPU.EgressRoutes,
FwUpdate: hPU.FwUpdate,
ChangeDefaultGw: hPU.ChangeDefaultGw,
DefaultGwIp: hPU.DefaultGwIp,
IsInternetGw: hPU.IsInternetGw,
EndpointDetection: logic.IsEndpointDetectionEnabled(),
}
logger.Log(1, hostID, "completed a pull")
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(&response)
}
// @Summary Updates a Netclient host on Netmaker server
// @Router /api/hosts/{hostid} [put]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param body body models.ApiHost true "New host data"
// @Success 200 {object} models.ApiHost
// @Failure 500 {object} models.ErrorResponse
func updateHost(w http.ResponseWriter, r *http.Request) {
var newHostData models.ApiHost
err := json.NewDecoder(r.Body).Decode(&newHostData)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to update a host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
// confirm host exists
currHost, err := logic.GetHost(newHostData.ID)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to update a host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
newHost := newHostData.ConvertAPIHostToNMHost(currHost)
logic.UpdateHost(newHost, currHost) // update the in memory struct values
if err = logic.UpsertHost(newHost); err != nil {
logger.Log(0, r.Header.Get("user"), "failed to update a host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
// publish host update through MQ
if err := mq.HostUpdate(&models.HostUpdate{
Action: models.UpdateHost,
Host: *newHost,
}); err != nil {
logger.Log(
0,
r.Header.Get("user"),
"failed to send host update: ",
currHost.ID.String(),
err.Error(),
)
}
go func() {
if err := mq.PublishPeerUpdate(false); err != nil {
logger.Log(0, "fail to publish peer update: ", err.Error())
}
if newHost.Name != currHost.Name {
if servercfg.IsDNSMode() {
logic.SetDNS()
}
}
}()
logic.LogEvent(&models.Event{
Action: models.Update,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: currHost.ID.String(),
Name: newHost.Name,
Type: models.DeviceSub,
},
Diff: models.Diff{
Old: currHost,
New: newHost,
},
Origin: models.Dashboard,
})
apiHostData := newHost.ConvertNMHostToAPI()
logger.Log(2, r.Header.Get("user"), "updated host", newHost.ID.String())
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(apiHostData)
}
// @Summary Updates a Netclient host on Netmaker server
// @Router /api/v1/fallback/host/{hostid} [put]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param body body models.HostUpdate true "Host update data"
// @Success 200 {string} string "updated host data"
// @Failure 500 {object} models.ErrorResponse
func hostUpdateFallback(w http.ResponseWriter, r *http.Request) {
var params = mux.Vars(r)
hostid := params["hostid"]
currentHost, err := logic.GetHost(hostid)
if err != nil {
slog.Error("error getting host", "id", hostid, "error", err)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
var sendPeerUpdate bool
var replacePeers bool
var hostUpdate models.HostUpdate
err = json.NewDecoder(r.Body).Decode(&hostUpdate)
if err != nil {
slog.Error("failed to update a host:", "user", r.Header.Get("user"), "error", err.Error(), "host", currentHost.Name)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
slog.Info("recieved host update", "name", hostUpdate.Host.Name, "id", hostUpdate.Host.ID, "action", hostUpdate.Action)
switch hostUpdate.Action {
case models.CheckIn:
sendPeerUpdate = mq.HandleHostCheckin(&hostUpdate.Host, currentHost)
case models.UpdateHost:
if hostUpdate.Host.PublicKey != currentHost.PublicKey {
//remove old peer entry
replacePeers = true
}
sendPeerUpdate = logic.UpdateHostFromClient(&hostUpdate.Host, currentHost)
err := logic.UpsertHost(currentHost)
if err != nil {
slog.Error("failed to update host", "id", currentHost.ID, "error", err)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
case models.UpdateMetrics:
mq.UpdateMetricsFallBack(hostUpdate.Node.ID.String(), hostUpdate.NewMetrics)
}
if sendPeerUpdate {
err := mq.PublishPeerUpdate(replacePeers)
if err != nil {
slog.Error("failed to publish peer update", "error", err)
}
}
logic.ReturnSuccessResponse(w, r, "updated host data")
}
// @Summary Deletes a Netclient host from Netmaker server
// @Router /api/hosts/{hostid} [delete]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param force query bool false "Force delete"
// @Success 200 {object} models.ApiHost
// @Failure 500 {object} models.ErrorResponse
func deleteHost(w http.ResponseWriter, r *http.Request) {
var params = mux.Vars(r)
hostid := params["hostid"]
forceDelete := r.URL.Query().Get("force") == "true"
// confirm host exists
currHost, err := logic.GetHost(hostid)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to delete a host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
for _, nodeID := range currHost.Nodes {
node, err := logic.GetNodeByID(nodeID)
if err != nil {
slog.Error("failed to get node", "nodeid", nodeID, "error", err)
continue
}
var gwClients []models.ExtClient
if node.IsIngressGateway {
gwClients = logic.GetGwExtclients(node.ID.String(), node.Network)
}
go mq.PublishMqUpdatesForDeletedNode(node, false, gwClients)
}
if servercfg.GetBrokerType() == servercfg.EmqxBrokerType {
// delete EMQX credentials for host
if err := mq.GetEmqxHandler().DeleteEmqxUser(currHost.ID.String()); err != nil {
slog.Error(
"failed to remove host credentials from EMQX",
"id",
currHost.ID,
"error",
err,
)
}
}
if err = mq.HostUpdate(&models.HostUpdate{
Action: models.DeleteHost,
Host: *currHost,
}); err != nil {
logger.Log(
0,
r.Header.Get("user"),
"failed to send delete host update: ",
currHost.ID.String(),
err.Error(),
)
}
if err = logic.RemoveHost(currHost, forceDelete); err != nil {
logger.Log(0, r.Header.Get("user"), "failed to delete a host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logic.LogEvent(&models.Event{
Action: models.Delete,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: currHost.ID.String(),
Name: currHost.Name,
Type: models.DeviceSub,
},
Origin: models.Dashboard,
})
apiHostData := currHost.ConvertNMHostToAPI()
logger.Log(2, r.Header.Get("user"), "removed host", currHost.Name)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(apiHostData)
}
// @Summary To Add Host To Network
// @Router /api/hosts/{hostid}/networks/{network} [post]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param network path string true "Network name"
// @Success 200 {string} string "OK"
// @Failure 500 {object} models.ErrorResponse
func addHostToNetwork(w http.ResponseWriter, r *http.Request) {
var params = mux.Vars(r)
hostid := params["hostid"]
network := params["network"]
if hostid == "" || network == "" {
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(errors.New("hostid or network cannot be empty"), "badrequest"),
)
return
}
// confirm host exists
currHost, err := logic.GetHost(hostid)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to find host:", hostid, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
newNode, err := logic.UpdateHostNetwork(currHost, network, true)
if err != nil {
logger.Log(
0,
r.Header.Get("user"),
"failed to add host to network:",
hostid,
network,
err.Error(),
)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logger.Log(1, "added new node", newNode.ID.String(), "to host", currHost.Name)
if currHost.IsDefault {
// make host failover
logic.CreateFailOver(*newNode)
// make host remote access gateway
logic.CreateIngressGateway(network, newNode.ID.String(), models.IngressRequest{})
logic.CreateRelay(models.RelayRequest{
NodeID: newNode.ID.String(),
NetID: network,
})
}
go func() {
mq.HostUpdate(&models.HostUpdate{
Action: models.JoinHostToNetwork,
Host: *currHost,
Node: *newNode,
})
mq.PublishPeerUpdate(false)
if servercfg.IsDNSMode() {
logic.SetDNS()
}
}()
logger.Log(
2,
r.Header.Get("user"),
fmt.Sprintf("added host %s to network %s", currHost.Name, network),
)
logic.LogEvent(&models.Event{
Action: models.JoinHostToNet,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: currHost.ID.String(),
Name: currHost.Name,
Type: models.DeviceSub,
},
NetworkID: models.NetworkID(network),
Origin: models.Dashboard,
})
w.WriteHeader(http.StatusOK)
}
// @Summary To Remove Host from Network
// @Router /api/hosts/{hostid}/networks/{network} [delete]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param network path string true "Network name"
// @Param force query bool false "Force delete"
// @Success 200 {string} string "OK"
// @Failure 500 {object} models.ErrorResponse
func deleteHostFromNetwork(w http.ResponseWriter, r *http.Request) {
var params = mux.Vars(r)
hostid := params["hostid"]
network := params["network"]
forceDelete := r.URL.Query().Get("force") == "true"
if hostid == "" || network == "" {
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(errors.New("hostid or network cannot be empty"), "badrequest"),
)
return
}
// confirm host exists
currHost, err := logic.GetHost(hostid)
if err != nil {
if database.IsEmptyRecord(err) {
// check if there is any daemon nodes that needs to be deleted
node, err := logic.GetNodeByHostRef(hostid, network)
if err != nil {
slog.Error(
"couldn't get node for host",
"hostid",
hostid,
"network",
network,
"error",
err,
)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if err = logic.DeleteNodeByID(&node); err != nil {
slog.Error("failed to force delete daemon node",
"nodeid", node.ID.String(), "hostid", hostid, "network", network, "error", err)
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(
fmt.Errorf("failed to force delete daemon node: %s", err.Error()),
"internal",
),
)
return
}
logic.ReturnSuccessResponse(w, r, "force deleted daemon node successfully")
return
}
logger.Log(0, r.Header.Get("user"), "failed to find host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
node, err := logic.UpdateHostNetwork(currHost, network, false)
if err != nil {
if node == nil && forceDelete {
// force cleanup the node
node, err := logic.GetNodeByHostRef(hostid, network)
if err != nil {
slog.Error(
"couldn't get node for host",
"hostid",
hostid,
"network",
network,
"error",
err,
)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if err = logic.DeleteNodeByID(&node); err != nil {
slog.Error("failed to force delete daemon node",
"nodeid", node.ID.String(), "hostid", hostid, "network", network, "error", err)
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(
fmt.Errorf("failed to force delete daemon node: %s", err.Error()),
"internal",
),
)
return
}
logic.ReturnSuccessResponse(w, r, "force deleted daemon node successfully")
return
}
logger.Log(
0,
r.Header.Get("user"),
"failed to remove host from network:",
hostid,
network,
err.Error(),
)
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
var gwClients []models.ExtClient
if node.IsIngressGateway {
gwClients = logic.GetGwExtclients(node.ID.String(), node.Network)
}
logger.Log(1, "deleting node", node.ID.String(), "from host", currHost.Name)
if err := logic.DeleteNode(node, forceDelete); err != nil {
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(fmt.Errorf("failed to delete node"), "internal"),
)
return
}
go func() {
mq.PublishMqUpdatesForDeletedNode(*node, true, gwClients)
if servercfg.IsDNSMode() {
logic.SetDNS()
}
}()
logic.LogEvent(&models.Event{
Action: models.RemoveHostFromNet,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: currHost.ID.String(),
Name: currHost.Name,
Type: models.DeviceSub,
},
NetworkID: models.NetworkID(network),
Origin: models.Dashboard,
})
logger.Log(
2,
r.Header.Get("user"),
fmt.Sprintf("removed host %s from network %s", currHost.Name, network),
)
w.WriteHeader(http.StatusOK)
}
// @Summary To Fetch Auth Token for a Host
// @Router /api/hosts/adm/authenticate [post]
// @Tags Auth
// @Accept json
// @Param body body models.AuthParams true "Authentication parameters"
// @Success 200 {object} models.SuccessResponse
// @Failure 400 {object} models.ErrorResponse
// @Failure 401 {object} models.ErrorResponse
// @Failure 500 {object} models.ErrorResponse
func authenticateHost(response http.ResponseWriter, request *http.Request) {
var authRequest models.AuthParams
var errorResponse = models.ErrorResponse{
Code: http.StatusInternalServerError, Message: "W1R3: It's not you it's me.",
}
decoder := json.NewDecoder(request.Body)
decoderErr := decoder.Decode(&authRequest)
defer request.Body.Close()
if decoderErr != nil {
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = decoderErr.Error()
logger.Log(0, request.Header.Get("user"), "error decoding request body: ",
decoderErr.Error())
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
errorResponse.Code = http.StatusBadRequest
if authRequest.ID == "" {
errorResponse.Message = "W1R3: ID can't be empty"
logger.Log(0, request.Header.Get("user"), errorResponse.Message)
logic.ReturnErrorResponse(response, request, errorResponse)
return
} else if authRequest.Password == "" {
errorResponse.Message = "W1R3: Password can't be empty"
logger.Log(0, request.Header.Get("user"), errorResponse.Message)
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
host, err := logic.GetHost(authRequest.ID)
if err != nil {
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logger.Log(0, request.Header.Get("user"),
"error retrieving host: ", authRequest.ID, err.Error())
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
err = bcrypt.CompareHashAndPassword([]byte(host.HostPass), []byte(authRequest.Password))
if err != nil {
errorResponse.Code = http.StatusUnauthorized
errorResponse.Message = "unauthorized"
logger.Log(0, request.Header.Get("user"),
"error validating user password: ", err.Error())
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
tokenString, err := logic.CreateJWT(authRequest.ID, authRequest.MacAddress, "")
if tokenString == "" {
errorResponse.Code = http.StatusUnauthorized
errorResponse.Message = "unauthorized"
logger.Log(0, request.Header.Get("user"),
fmt.Sprintf("%s: %v", errorResponse.Message, err))
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
var successResponse = models.SuccessResponse{
Code: http.StatusOK,
Message: "W1R3: Host " + authRequest.ID + " Authorized",
Response: models.SuccessfulLoginResponse{
AuthToken: tokenString,
ID: authRequest.ID,
},
}
successJSONResponse, jsonError := json.Marshal(successResponse)
if jsonError != nil {
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logger.Log(0, request.Header.Get("user"),
"error marshalling resp: ", err.Error())
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
go func() {
// Create EMQX creds
if servercfg.GetBrokerType() == servercfg.EmqxBrokerType {
if err := mq.GetEmqxHandler().CreateEmqxUser(host.ID.String(), authRequest.Password); err != nil {
slog.Error("failed to create host credentials for EMQX: ", err.Error())
}
}
}()
response.WriteHeader(http.StatusOK)
response.Header().Set("Content-Type", "application/json")
response.Write(successJSONResponse)
}
// @Summary Send signal to peer
// @Router /api/v1/host/{hostid}/signalpeer [post]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Param body body models.Signal true "Signal data"
// @Success 200 {object} models.Signal
// @Failure 400 {object} models.ErrorResponse
func signalPeer(w http.ResponseWriter, r *http.Request) {
var params = mux.Vars(r)
hostid := params["hostid"]
// confirm host exists
_, err := logic.GetHost(hostid)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to get host:", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
var signal models.Signal
w.Header().Set("Content-Type", "application/json")
err = json.NewDecoder(r.Body).Decode(&signal)
if err != nil {
logger.Log(0, r.Header.Get("user"), "error decoding request body: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if signal.ToHostPubKey == "" {
msg := "insufficient data to signal peer"
logger.Log(0, r.Header.Get("user"), msg)
logic.ReturnErrorResponse(w, r, logic.FormatError(errors.New(msg), "badrequest"))
return
}
signal.IsPro = servercfg.IsPro
peerHost, err := logic.GetHost(signal.ToHostID)
if err != nil {
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(errors.New("failed to signal, peer not found"), "badrequest"),
)
return
}
err = mq.HostUpdate(&models.HostUpdate{
Action: models.SignalHost,
Host: *peerHost,
Signal: signal,
})
if err != nil {
logic.ReturnErrorResponse(
w,
r,
logic.FormatError(
errors.New("failed to publish signal to peer: "+err.Error()),
"badrequest",
),
)
return
}
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(signal)
}
// @Summary Update keys for all hosts
// @Router /api/hosts/keys [put]
// @Tags Hosts
// @Security oauth
// @Success 200 {string} string "OK"
// @Failure 400 {object} models.ErrorResponse
func updateAllKeys(w http.ResponseWriter, r *http.Request) {
var errorResponse = models.ErrorResponse{}
w.Header().Set("Content-Type", "application/json")
hosts, err := logic.GetAllHosts()
if err != nil {
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logger.Log(0, r.Header.Get("user"),
"error retrieving hosts ", err.Error())
logic.ReturnErrorResponse(w, r, errorResponse)
return
}
go func() {
hostUpdate := models.HostUpdate{}
hostUpdate.Action = models.UpdateKeys
for _, host := range hosts {
hostUpdate.Host = host
logger.Log(2, "updating host", host.ID.String(), " for a key update")
if err = mq.HostUpdate(&hostUpdate); err != nil {
logger.Log(
0,
"failed to send update to node during a network wide key update",
host.ID.String(),
err.Error(),
)
}
}
}()
logic.LogEvent(&models.Event{
Action: models.RefreshAllKeys,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: "All Devices",
Name: "All Devices",
Type: models.DeviceSub,
},
Origin: models.Dashboard,
})
logger.Log(2, r.Header.Get("user"), "updated keys for all hosts")
w.WriteHeader(http.StatusOK)
}
// @Summary Update keys for a host
// @Router /api/hosts/{hostid}/keys [put]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Success 200 {string} string "OK"
// @Failure 400 {object} models.ErrorResponse
func updateKeys(w http.ResponseWriter, r *http.Request) {
var errorResponse = models.ErrorResponse{}
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
hostid := params["hostid"]
host, err := logic.GetHost(hostid)
if err != nil {
logger.Log(0, "failed to retrieve host", hostid, err.Error())
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logger.Log(0, r.Header.Get("user"),
"error retrieving hosts ", err.Error())
logic.ReturnErrorResponse(w, r, errorResponse)
return
}
go func() {
hostUpdate := models.HostUpdate{
Action: models.UpdateKeys,
Host: *host,
}
if err = mq.HostUpdate(&hostUpdate); err != nil {
logger.Log(0, "failed to send host key update", host.ID.String(), err.Error())
}
}()
logic.LogEvent(&models.Event{
Action: models.RefreshKey,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: host.ID.String(),
Name: host.Name,
Type: models.DeviceSub,
},
Origin: models.Dashboard,
})
logger.Log(2, r.Header.Get("user"), "updated key on host", host.Name)
w.WriteHeader(http.StatusOK)
}
// @Summary Requests all the hosts to pull
// @Router /api/hosts/sync [post]
// @Tags Hosts
// @Security oauth
// @Success 200 {string} string "sync all hosts request received"
func syncHosts(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
user := r.Header.Get("user")
go func() {
slog.Info("requesting all hosts to sync", "user", user)
hosts, err := logic.GetAllHosts()
if err != nil {
slog.Error("failed to retrieve all hosts", "user", user, "error", err)
return
}
for _, host := range hosts {
go func(host models.Host) {
hostUpdate := models.HostUpdate{
Action: models.RequestPull,
Host: host,
}
if err = mq.HostUpdate(&hostUpdate); err != nil {
slog.Error("failed to request host to sync", "user", user, "host", host.ID.String(), "error", err)
} else {
slog.Info("host sync requested", "user", user, "host", host.ID.String())
}
}(host)
time.Sleep(time.Millisecond * 100)
}
}()
logic.LogEvent(&models.Event{
Action: models.SyncAll,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: "All Devices",
Name: "All Devices",
Type: models.DeviceSub,
},
Origin: models.Dashboard,
})
slog.Info("sync all hosts request received", "user", user)
logic.ReturnSuccessResponse(w, r, "sync all hosts request received")
}
// @Summary Requests a host to pull
// @Router /api/hosts/{hostid}/sync [post]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Success 200 {string} string "OK"
// @Failure 400 {object} models.ErrorResponse
func syncHost(w http.ResponseWriter, r *http.Request) {
hostId := mux.Vars(r)["hostid"]
var errorResponse = models.ErrorResponse{}
w.Header().Set("Content-Type", "application/json")
host, err := logic.GetHost(hostId)
if err != nil {
slog.Error("failed to retrieve host", "user", r.Header.Get("user"), "error", err)
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logic.ReturnErrorResponse(w, r, errorResponse)
return
}
go func() {
hostUpdate := models.HostUpdate{
Action: models.RequestPull,
Host: *host,
}
if err = mq.HostUpdate(&hostUpdate); err != nil {
slog.Error("failed to send host pull request", "host", host.ID.String(), "error", err)
}
}()
logic.LogEvent(&models.Event{
Action: models.Sync,
Source: models.Subject{
ID: r.Header.Get("user"),
Name: r.Header.Get("user"),
Type: models.UserSub,
},
TriggeredBy: r.Header.Get("user"),
Target: models.Subject{
ID: host.ID.String(),
Name: host.Name,
Type: models.DeviceSub,
},
Origin: models.Dashboard,
})
slog.Info("requested host pull", "user", r.Header.Get("user"), "host", host.ID.String())
w.WriteHeader(http.StatusOK)
}
// @Summary Deletes all EMQX hosts
// @Router /api/emqx/hosts [delete]
// @Tags Hosts
// @Security oauth
// @Success 200 {string} string "deleted hosts data on emqx"
// @Failure 500 {object} models.ErrorResponse
func delEmqxHosts(w http.ResponseWriter, r *http.Request) {
currentHosts, err := logic.GetAllHosts()
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to fetch hosts: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
for _, host := range currentHosts {
// delete EMQX credentials for host
if err := mq.GetEmqxHandler().DeleteEmqxUser(host.ID.String()); err != nil {
slog.Error("failed to remove host credentials from EMQX", "id", host.ID, "error", err)
}
}
err = mq.GetEmqxHandler().DeleteEmqxUser(servercfg.GetMqUserName())
if err != nil {
slog.Error(
"failed to remove server credentials from EMQX",
"user",
servercfg.GetMqUserName(),
"error",
err,
)
}
logic.ReturnSuccessResponse(w, r, "deleted hosts data on emqx")
}
// @Summary Fetches host peerinfo
// @Router /api/host/{hostid}/peer_info [get]
// @Tags Hosts
// @Security oauth
// @Param hostid path string true "Host ID"
// @Success 200 {object} models.SuccessResponse
// @Failure 500 {object} models.ErrorResponse
func getHostPeerInfo(w http.ResponseWriter, r *http.Request) {
hostId := mux.Vars(r)["hostid"]
var errorResponse = models.ErrorResponse{}
host, err := logic.GetHost(hostId)
if err != nil {
slog.Error("failed to retrieve host", "error", err)
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logic.ReturnErrorResponse(w, r, errorResponse)
return
}
peerInfo, err := logic.GetHostPeerInfo(host)
if err != nil {
slog.Error("failed to retrieve host peerinfo", "error", err)
errorResponse.Code = http.StatusBadRequest
errorResponse.Message = err.Error()
logic.ReturnErrorResponse(w, r, errorResponse)
return
}
logic.ReturnSuccessResponseWithJson(w, r, peerInfo, "fetched host peer info")
}