mirror of
https://github.com/gravitl/netmaker.git
synced 2024-11-11 01:54:34 +08:00
264 lines
8.9 KiB
Go
264 lines
8.9 KiB
Go
package controller
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"github.com/gorilla/mux"
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"github.com/gravitl/netmaker/logger"
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"github.com/gravitl/netmaker/logic"
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"github.com/gravitl/netmaker/logic/hostactions"
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"github.com/gravitl/netmaker/models"
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"github.com/gravitl/netmaker/mq"
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"github.com/gravitl/netmaker/servercfg"
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)
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func enrollmentKeyHandlers(r *mux.Router) {
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r.HandleFunc("/api/v1/enrollment-keys", logic.SecurityCheck(true, http.HandlerFunc(createEnrollmentKey))).Methods(http.MethodPost)
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r.HandleFunc("/api/v1/enrollment-keys", logic.SecurityCheck(true, http.HandlerFunc(getEnrollmentKeys))).Methods(http.MethodGet)
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r.HandleFunc("/api/v1/enrollment-keys/{keyID}", logic.SecurityCheck(true, http.HandlerFunc(deleteEnrollmentKey))).Methods(http.MethodDelete)
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r.HandleFunc("/api/v1/host/register/{token}", http.HandlerFunc(handleHostRegister)).Methods(http.MethodPost)
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}
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// swagger:route GET /api/v1/enrollment-keys enrollmentKeys getEnrollmentKeys
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//
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// Lists all EnrollmentKeys for admins.
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//
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// Schemes: https
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//
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// Security:
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// oauth
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//
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// Responses:
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// 200: getEnrollmentKeysSlice
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func getEnrollmentKeys(w http.ResponseWriter, r *http.Request) {
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currentKeys, err := logic.GetAllEnrollmentKeys()
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to fetch enrollment keys: ", err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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for i := range currentKeys {
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currentKey := currentKeys[i]
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if err = logic.Tokenize(currentKey, servercfg.GetAPIHost()); err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to get token values for keys:", err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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}
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// return JSON/API formatted keys
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logger.Log(2, r.Header.Get("user"), "fetched enrollment keys")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(currentKeys)
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}
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// swagger:route DELETE /api/v1/enrollment-keys/{keyID} enrollmentKeys deleteEnrollmentKey
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//
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// Deletes an EnrollmentKey from Netmaker server.
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//
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// Schemes: https
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//
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// Security:
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// oauth
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//
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// Responses:
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// 200: deleteEnrollmentKeyResponse
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func deleteEnrollmentKey(w http.ResponseWriter, r *http.Request) {
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var params = mux.Vars(r)
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keyID := params["keyID"]
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err := logic.DeleteEnrollmentKey(keyID)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to remove enrollment key: ", err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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logger.Log(2, r.Header.Get("user"), "deleted enrollment key", keyID)
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w.WriteHeader(http.StatusOK)
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}
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// swagger:route POST /api/v1/enrollment-keys enrollmentKeys createEnrollmentKey
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//
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// Creates an EnrollmentKey for hosts to use on Netmaker server.
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//
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// Schemes: https
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//
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// Security:
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// oauth
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//
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// Responses:
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// 200: createEnrollmentKeyResponse
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func createEnrollmentKey(w http.ResponseWriter, r *http.Request) {
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var enrollmentKeyBody models.APIEnrollmentKey
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err := json.NewDecoder(r.Body).Decode(&enrollmentKeyBody)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "error decoding request body: ",
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err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
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return
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}
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var newTime time.Time
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if enrollmentKeyBody.Expiration > 0 {
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newTime = time.Unix(enrollmentKeyBody.Expiration, 0)
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}
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newEnrollmentKey, err := logic.CreateEnrollmentKey(enrollmentKeyBody.UsesRemaining, newTime, enrollmentKeyBody.Networks, enrollmentKeyBody.Tags, enrollmentKeyBody.Unlimited)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to create enrollment key:", err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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if err = logic.Tokenize(newEnrollmentKey, servercfg.GetAPIHost()); err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to create enrollment key:", err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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logger.Log(2, r.Header.Get("user"), "created enrollment key")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(newEnrollmentKey)
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}
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// swagger:route POST /api/v1/enrollment-keys/{token} enrollmentKeys handleHostRegister
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//
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// Handles a Netclient registration with server and add nodes accordingly.
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//
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// Schemes: https
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//
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// Security:
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// oauth
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//
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// Responses:
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// 200: handleHostRegisterResponse
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func handleHostRegister(w http.ResponseWriter, r *http.Request) {
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var params = mux.Vars(r)
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token := params["token"]
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logger.Log(0, "received registration attempt with token", token)
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// check if token exists
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enrollmentKey, err := logic.DeTokenize(token)
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if err != nil {
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logger.Log(0, "invalid enrollment key used", token, err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
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return
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}
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// get the host
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var newHost models.Host
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if err = json.NewDecoder(r.Body).Decode(&newHost); err != nil {
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logger.Log(0, r.Header.Get("user"), "error decoding request body: ",
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err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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hostExists := false
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// check if host already exists
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if hostExists = logic.HostExists(&newHost); hostExists && len(enrollmentKey.Networks) == 0 {
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logger.Log(0, "host", newHost.ID.String(), newHost.Name, "attempted to re-register with no networks")
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logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("host already exists"), "badrequest"))
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return
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}
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// version check
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if !logic.IsVersionComptatible(newHost.Version) {
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err := fmt.Errorf("bad client version on register: %s", newHost.Version)
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
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return
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}
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if newHost.TrafficKeyPublic == nil && newHost.OS != models.OS_Types.IoT {
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err := fmt.Errorf("missing traffic key")
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
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return
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}
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key, keyErr := logic.RetrievePublicTrafficKey()
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if keyErr != nil {
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logger.Log(0, "error retrieving key:", keyErr.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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// use the token
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if ok := logic.TryToUseEnrollmentKey(enrollmentKey); !ok {
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logger.Log(0, "host", newHost.ID.String(), newHost.Name, "failed registration")
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logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("invalid enrollment key"), "badrequest"))
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return
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}
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hostPass := newHost.HostPass
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if !hostExists {
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// register host
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logic.CheckHostPorts(&newHost)
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// create EMQX credentials and ACLs for host
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if servercfg.GetBrokerType() == servercfg.EmqxBrokerType {
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if err := mq.CreateEmqxUser(newHost.ID.String(), newHost.HostPass, false); err != nil {
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logger.Log(0, "failed to create host credentials for EMQX: ", err.Error())
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return
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}
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if err := mq.CreateHostACL(newHost.ID.String(), servercfg.GetServerInfo().Server); err != nil {
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logger.Log(0, "failed to add host ACL rules to EMQX: ", err.Error())
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return
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}
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}
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if err = logic.CreateHost(&newHost); err != nil {
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logger.Log(0, "host", newHost.ID.String(), newHost.Name, "failed registration -", err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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return
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}
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} else {
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// need to revise the list of networks from key
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// based on the ones host currently has
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var networksToAdd = []string{}
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currentNets := logic.GetHostNetworks(newHost.ID.String())
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for _, newNet := range enrollmentKey.Networks {
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if !logic.StringSliceContains(currentNets, newNet) {
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networksToAdd = append(networksToAdd, newNet)
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}
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}
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enrollmentKey.Networks = networksToAdd
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}
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// ready the response
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server := servercfg.GetServerInfo()
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server.TrafficKey = key
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if servercfg.GetBrokerType() == servercfg.EmqxBrokerType {
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// set MQ username and password for EMQX clients
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server.MQUserName = newHost.ID.String()
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server.MQPassword = hostPass
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}
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response := models.RegisterResponse{
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ServerConf: server,
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RequestedHost: newHost,
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}
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logger.Log(0, newHost.Name, newHost.ID.String(), "registered with Netmaker")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(&response)
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// notify host of changes, peer and node updates
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go checkNetRegAndHostUpdate(enrollmentKey.Networks, &newHost)
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}
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// run through networks and send a host update
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func checkNetRegAndHostUpdate(networks []string, h *models.Host) {
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// publish host update through MQ
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for i := range networks {
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network := networks[i]
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if ok, _ := logic.NetworkExists(network); ok {
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newNode, err := logic.UpdateHostNetwork(h, network, true)
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if err != nil {
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logger.Log(0, "failed to add host to network:", h.ID.String(), h.Name, network, err.Error())
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continue
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}
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logger.Log(1, "added new node", newNode.ID.String(), "to host", h.Name)
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hostactions.AddAction(models.HostUpdate{
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Action: models.JoinHostToNetwork,
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Host: *h,
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Node: *newNode,
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})
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}
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}
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if servercfg.IsMessageQueueBackend() {
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mq.HostUpdate(&models.HostUpdate{
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Action: models.RequestAck,
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Host: *h,
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})
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if err := mq.PublishPeerUpdate(); err != nil {
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logger.Log(0, "failed to publish peer update during registration -", err.Error())
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}
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}
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}
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