netmaker/controllers/network.go

554 lines
17 KiB
Go

package controller
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
"github.com/gorilla/mux"
"github.com/gravitl/netmaker/database"
"github.com/gravitl/netmaker/logger"
"github.com/gravitl/netmaker/logic"
"github.com/gravitl/netmaker/logic/acls"
"github.com/gravitl/netmaker/models"
"github.com/gravitl/netmaker/mq"
"github.com/gravitl/netmaker/servercfg"
)
func networkHandlers(r *mux.Router) {
r.HandleFunc("/api/networks", logic.SecurityCheck(false, http.HandlerFunc(getNetworks))).Methods("GET")
r.HandleFunc("/api/networks", logic.SecurityCheck(true, checkFreeTierLimits(networks_l, http.HandlerFunc(createNetwork)))).Methods("POST")
r.HandleFunc("/api/networks/{networkname}", logic.SecurityCheck(false, http.HandlerFunc(getNetwork))).Methods("GET")
r.HandleFunc("/api/networks/{networkname}", logic.SecurityCheck(false, http.HandlerFunc(updateNetwork))).Methods("PUT")
r.HandleFunc("/api/networks/{networkname}", logic.SecurityCheck(true, http.HandlerFunc(deleteNetwork))).Methods("DELETE")
r.HandleFunc("/api/networks/{networkname}/keyupdate", logic.SecurityCheck(true, http.HandlerFunc(keyUpdate))).Methods("POST")
r.HandleFunc("/api/networks/{networkname}/keys", logic.SecurityCheck(false, http.HandlerFunc(createAccessKey))).Methods("POST")
r.HandleFunc("/api/networks/{networkname}/keys", logic.SecurityCheck(false, http.HandlerFunc(getAccessKeys))).Methods("GET")
r.HandleFunc("/api/networks/{networkname}/keys/{name}", logic.SecurityCheck(false, http.HandlerFunc(deleteAccessKey))).Methods("DELETE")
// ACLs
r.HandleFunc("/api/networks/{networkname}/acls", logic.SecurityCheck(true, http.HandlerFunc(updateNetworkACL))).Methods("PUT")
r.HandleFunc("/api/networks/{networkname}/acls", logic.SecurityCheck(true, http.HandlerFunc(getNetworkACL))).Methods("GET")
}
// swagger:route GET /api/networks networks getNetworks
//
// Lists all networks.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: getNetworksSliceResponse
func getNetworks(w http.ResponseWriter, r *http.Request) {
headerNetworks := r.Header.Get("networks")
networksSlice := []string{}
marshalErr := json.Unmarshal([]byte(headerNetworks), &networksSlice)
if marshalErr != nil {
logger.Log(0, r.Header.Get("user"), "error unmarshalling networks: ",
marshalErr.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(marshalErr, "badrequest"))
return
}
allnetworks := []models.Network{}
var err error
if len(networksSlice) > 0 && networksSlice[0] == logic.ALL_NETWORK_ACCESS {
allnetworks, err = logic.GetNetworks()
if err != nil && !database.IsEmptyRecord(err) {
logger.Log(0, r.Header.Get("user"), "failed to fetch networks: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
} else {
for _, network := range networksSlice {
netObject, parentErr := logic.GetParentNetwork(network)
if parentErr == nil {
allnetworks = append(allnetworks, netObject)
}
}
}
if !servercfg.IsDisplayKeys() {
for i, net := range allnetworks {
net.AccessKeys = logic.RemoveKeySensitiveInfo(net.AccessKeys)
allnetworks[i] = net
}
}
logger.Log(2, r.Header.Get("user"), "fetched networks.")
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(allnetworks)
}
// swagger:route GET /api/networks/{networkname} networks getNetwork
//
// Get a network.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: networkBodyResponse
func getNetwork(w http.ResponseWriter, r *http.Request) {
// set header.
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
netname := params["networkname"]
network, err := logic.GetNetwork(netname)
if err != nil {
logger.Log(0, r.Header.Get("user"), fmt.Sprintf("failed to fetch network [%s] info: %v",
netname, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
if !servercfg.IsDisplayKeys() {
network.AccessKeys = logic.RemoveKeySensitiveInfo(network.AccessKeys)
}
logger.Log(2, r.Header.Get("user"), "fetched network", netname)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(network)
}
// swagger:route POST /api/networks/{networkname}/keyupdate networks keyUpdate
//
// Update keys for a network.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: networkBodyResponse
func keyUpdate(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
netname := params["networkname"]
network, err := logic.KeyUpdate(netname)
if err != nil {
logger.Log(0, r.Header.Get("user"), fmt.Sprintf("failed to update keys for network [%s]: %v",
netname, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logger.Log(2, r.Header.Get("user"), "updated key on network", netname)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(network)
nodes, err := logic.GetNetworkNodes(netname)
if err != nil {
logger.Log(0, "failed to retrieve network nodes for network", netname, err.Error())
return
}
for _, node := range nodes {
logger.Log(2, "updating node ", node.ID.String(), " for a key update")
if err = mq.NodeUpdate(&node); err != nil {
logger.Log(1, "failed to send update to node during a network wide key update", node.ID.String(), err.Error())
}
}
}
// swagger:route PUT /api/networks/{networkname} networks updateNetwork
//
// Update a network.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: networkBodyResponse
func updateNetwork(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
var network models.Network
netname := params["networkname"]
network, err := logic.GetParentNetwork(netname)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to get network info: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
var newNetwork models.Network
err = json.NewDecoder(r.Body).Decode(&newNetwork)
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 !servercfg.GetRce() {
newNetwork.DefaultPostDown = network.DefaultPostDown
newNetwork.DefaultPostUp = network.DefaultPostUp
}
rangeupdate4, rangeupdate6, localrangeupdate, holepunchupdate, groupsDelta, userDelta, err := logic.UpdateNetwork(&network, &newNetwork)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to update network: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if len(groupsDelta) > 0 {
for _, g := range groupsDelta {
users, err := logic.GetGroupUsers(g)
if err == nil {
for _, user := range users {
logic.AdjustNetworkUserPermissions(&user, &newNetwork)
}
}
}
}
if len(userDelta) > 0 {
for _, uname := range userDelta {
user, err := logic.GetReturnUser(uname)
if err == nil {
logic.AdjustNetworkUserPermissions(&user, &newNetwork)
}
}
}
if rangeupdate4 {
err = logic.UpdateNetworkNodeAddresses(network.NetID)
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to update network [%s] ipv4 addresses: %v",
network.NetID, err.Error()))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
}
if rangeupdate6 {
err = logic.UpdateNetworkNodeAddresses6(network.NetID)
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to update network [%s] ipv6 addresses: %v",
network.NetID, err.Error()))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
}
if localrangeupdate {
err = logic.UpdateNetworkLocalAddresses(network.NetID)
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to update network [%s] local addresses: %v",
network.NetID, err.Error()))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
}
if rangeupdate4 || rangeupdate6 || localrangeupdate || holepunchupdate {
nodes, err := logic.GetNetworkNodes(network.NetID)
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to get network [%s] nodes: %v",
network.NetID, err.Error()))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
for _, node := range nodes {
runUpdates(&node, true)
}
}
logger.Log(1, r.Header.Get("user"), "updated network", netname)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(newNetwork)
}
// swagger:route PUT /api/networks/{networkname}/acls networks updateNetworkACL
//
// Update a network ACL (Access Control List).
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: aclContainerResponse
func updateNetworkACL(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
netname := params["networkname"]
var networkACLChange acls.ACLContainer
networkACLChange, err := networkACLChange.Get(acls.ContainerID(netname))
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to fetch ACLs for network [%s]: %v", netname, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
err = json.NewDecoder(r.Body).Decode(&networkACLChange)
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
}
newNetACL, err := networkACLChange.Save(acls.ContainerID(netname))
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to update ACLs for network [%s]: %v", netname, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, r.Header.Get("user"), "updated ACLs for network", netname)
// send peer updates
if servercfg.IsMessageQueueBackend() {
if err = mq.PublishPeerUpdate(netname, false); err != nil {
logger.Log(0, "failed to publish peer update after ACL update on", netname)
}
}
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(newNetACL)
}
// swagger:route GET /api/networks/{networkname}/acls networks getNetworkACL
//
// Get a network ACL (Access Control List).
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: aclContainerResponse
func getNetworkACL(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
netname := params["networkname"]
var networkACL acls.ACLContainer
networkACL, err := networkACL.Get(acls.ContainerID(netname))
if err != nil {
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to fetch ACLs for network [%s]: %v", netname, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logger.Log(2, r.Header.Get("user"), "fetched acl for network", netname)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(networkACL)
}
// swagger:route DELETE /api/networks/{networkname} networks deleteNetwork
//
// Delete a network. Will not delete if there are any nodes that belong to the network.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: stringJSONResponse
func deleteNetwork(w http.ResponseWriter, r *http.Request) {
// Set header
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
network := params["networkname"]
err := logic.DeleteNetwork(network)
if err != nil {
errtype := "badrequest"
if strings.Contains(err.Error(), "Node check failed") {
errtype = "forbidden"
}
logger.Log(0, r.Header.Get("user"),
fmt.Sprintf("failed to delete network [%s]: %v", network, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, errtype))
return
}
if err := mq.DeleteNetworkRole(network); err != nil {
logger.Log(0, fmt.Sprintf("failed to remove network DynSec role: %v", err.Error()))
}
logger.Log(1, r.Header.Get("user"), "deleted network", network)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode("success")
}
// swagger:route POST /api/networks networks createNetwork
//
// Create a network.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: networkBodyResponse
func createNetwork(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var network models.Network
// we decode our body request params
err := json.NewDecoder(r.Body).Decode(&network)
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 network.AddressRange == "" && network.AddressRange6 == "" {
err := errors.New("IPv4 or IPv6 CIDR required")
logger.Log(0, r.Header.Get("user"), "failed to create network: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
network, err = logic.CreateNetwork(network)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to create network: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if err = mq.CreateNetworkRole(network.NetID); err != nil {
logger.Log(0, r.Header.Get("user"), "failed to create network DynSec role:",
err.Error())
}
if err = logic.AddDefaultHostsToNetwork(network.NetID, servercfg.GetServer()); err != nil {
logger.Log(0, fmt.Sprintf("failed to add default hosts to network [%v]: %v",
network.NetID, err.Error()))
}
// TODO: Send message notifying host of new peers/network conf
logger.Log(1, r.Header.Get("user"), "created network", network.NetID)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(network)
}
// swagger:route POST /api/networks/{networkname}/keys networks createAccessKey
//
// Create a network access key.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: accessKeyBodyResponse
//
// BEGIN KEY MANAGEMENT SECTION
func createAccessKey(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
var accesskey models.AccessKey
//start here
netname := params["networkname"]
network, err := logic.GetParentNetwork(netname)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to get network info: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
err = json.NewDecoder(r.Body).Decode(&accesskey)
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
}
key, err := logic.CreateAccessKey(accesskey, network)
if err != nil {
logger.Log(0, r.Header.Get("user"), "failed to create access key: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
// do not allow access key creations view API with user names
if _, err = logic.GetUser(key.Name); err == nil {
logger.Log(0, "access key creation with invalid name attempted by", r.Header.Get("user"))
logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("cannot create access key with user name"), "badrequest"))
logic.DeleteKey(key.Name, network.NetID)
return
}
logger.Log(1, r.Header.Get("user"), "created access key", accesskey.Name, "on", netname)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(key)
}
// swagger:route GET /api/networks/{networkname}/keys networks getAccessKeys
//
// Get network access keys for a network.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: accessKeySliceBodyResponse
func getAccessKeys(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
network := params["networkname"]
keys, err := logic.GetKeys(network)
if err != nil {
logger.Log(0, r.Header.Get("user"), fmt.Sprintf("failed to get keys for network [%s]: %v",
network, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
if !servercfg.IsDisplayKeys() {
keys = logic.RemoveKeySensitiveInfo(keys)
}
logger.Log(2, r.Header.Get("user"), "fetched access keys on network", network)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(keys)
}
// swagger:route DELETE /api/networks/{networkname}/keys/{name} networks deleteAccessKey
//
// Delete a network access key.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200:
// *: stringJSONResponse
//
// delete key. Has to do a little funky logic since it's not a collection item
func deleteAccessKey(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
keyname := params["name"]
netname := params["networkname"]
err := logic.DeleteKey(keyname, netname)
if err != nil {
logger.Log(0, r.Header.Get("user"), fmt.Sprintf("failed to delete key [%s] for network [%s]: %v",
keyname, netname, err))
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, r.Header.Get("user"), "deleted access key", keyname, "on network,", netname)
w.WriteHeader(http.StatusOK)
}