mirror of
https://github.com/gravitl/netmaker.git
synced 2024-11-11 01:54:34 +08:00
372 lines
12 KiB
Go
372 lines
12 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/go-playground/validator/v10"
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"github.com/google/uuid"
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"github.com/gorilla/mux"
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"github.com/gravitl/netmaker/auth"
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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/models"
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"github.com/gravitl/netmaker/mq"
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"github.com/gravitl/netmaker/servercfg"
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"golang.org/x/exp/slog"
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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))).
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Methods(http.MethodPost)
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r.HandleFunc("/api/v1/enrollment-keys", logic.SecurityCheck(true, http.HandlerFunc(getEnrollmentKeys))).
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Methods(http.MethodGet)
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r.HandleFunc("/api/v1/enrollment-keys/{keyID}", logic.SecurityCheck(true, http.HandlerFunc(deleteEnrollmentKey))).
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Methods(http.MethodDelete)
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r.HandleFunc("/api/v1/host/register/{token}", http.HandlerFunc(handleHostRegister)).
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Methods(http.MethodPost)
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r.HandleFunc("/api/v1/enrollment-keys/{keyID}", logic.SecurityCheck(true, http.HandlerFunc(updateEnrollmentKey))).
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Methods(http.MethodPut)
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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: EnrollmentKeys
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func getEnrollmentKeys(w http.ResponseWriter, r *http.Request) {
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keys, 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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ret := []*models.EnrollmentKey{}
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for _, key := range keys {
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key := key
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if err = logic.Tokenize(key, 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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ret = append(ret, key)
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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(ret)
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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: okResponse
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func deleteEnrollmentKey(w http.ResponseWriter, r *http.Request) {
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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: EnrollmentKey
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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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v := validator.New()
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err = v.Struct(enrollmentKeyBody)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "error validating request body: ",
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err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("validation error: name length must be between 3 and 32: %w", err), "badrequest"))
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return
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}
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if existingKeys, err := logic.GetAllEnrollmentKeys(); err != nil {
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logger.Log(0, r.Header.Get("user"), "error validating 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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} else {
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// check if any tags are duplicate
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existingTags := make(map[string]struct{})
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for _, existingKey := range existingKeys {
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for _, t := range existingKey.Tags {
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existingTags[t] = struct{}{}
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}
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}
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for _, t := range enrollmentKeyBody.Tags {
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if _, ok := existingTags[t]; ok {
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logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("key names must be unique"), "badrequest"))
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return
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}
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}
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}
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relayId := uuid.Nil
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if enrollmentKeyBody.Relay != "" {
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relayId, err = uuid.Parse(enrollmentKeyBody.Relay)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "error parsing relay id: ", 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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}
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newEnrollmentKey, err := logic.CreateEnrollmentKey(
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enrollmentKeyBody.UsesRemaining,
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newTime,
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enrollmentKeyBody.Networks,
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enrollmentKeyBody.Tags,
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enrollmentKeyBody.Unlimited,
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relayId,
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)
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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 PUT /api/v1/enrollment-keys/:id enrollmentKeys updateEnrollmentKey
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//
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// Updates an EnrollmentKey for hosts to use on Netmaker server. Updates only the relay to use.
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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: EnrollmentKey
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func updateEnrollmentKey(w http.ResponseWriter, r *http.Request) {
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var enrollmentKeyBody models.APIEnrollmentKey
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params := mux.Vars(r)
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keyId := params["keyID"]
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err := json.NewDecoder(r.Body).Decode(&enrollmentKeyBody)
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if err != nil {
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slog.Error("error decoding request body", "error", err)
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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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relayId := uuid.Nil
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if enrollmentKeyBody.Relay != "" {
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relayId, err = uuid.Parse(enrollmentKeyBody.Relay)
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if err != nil {
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slog.Error("error parsing relay id", "error", err)
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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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}
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newEnrollmentKey, err := logic.UpdateEnrollmentKey(keyId, relayId)
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if err != nil {
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slog.Error("failed to update enrollment key", "error", err)
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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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slog.Error("failed to update enrollment key", "error", err)
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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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slog.Info("updated enrollment key", "id", keyId)
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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: RegisterResponse
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func handleHostRegister(w http.ResponseWriter, r *http.Request) {
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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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// check if host already exists
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hostExists := false
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if hostExists = logic.HostExists(&newHost); hostExists && len(enrollmentKey.Networks) == 0 {
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logger.Log(
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0,
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"host",
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newHost.ID.String(),
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newHost.Name,
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"attempted to re-register with no networks",
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)
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logic.ReturnErrorResponse(
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w,
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r,
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logic.FormatError(fmt.Errorf("host already exists"), "badrequest"),
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)
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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(
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w,
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r,
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logic.FormatError(fmt.Errorf("invalid enrollment key"), "badrequest"),
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)
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return
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}
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if !hostExists {
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newHost.PersistentKeepalive = models.DefaultPersistentKeepAlive
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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.GetEmqxHandler().CreateEmqxUser(newHost.ID.String(), newHost.HostPass); 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.GetEmqxHandler().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(
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0,
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"host",
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newHost.ID.String(),
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newHost.Name,
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"failed registration -",
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err.Error(),
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)
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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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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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currHost, err := logic.GetHost(newHost.ID.String())
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if err != nil {
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slog.Error("failed registration", "hostID", newHost.ID.String(), "hostName", newHost.Name, "error", 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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logic.UpdateHostFromClient(&newHost, currHost)
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err = logic.UpsertHost(currHost)
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if err != nil {
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slog.Error("failed to update host", "id", currHost.ID, "error", err)
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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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// ready the response
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server := servercfg.GetServerInfo()
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server.TrafficKey = key
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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 auth.CheckNetRegAndHostUpdate(enrollmentKey.Networks, &newHost, enrollmentKey.Relay)
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}
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