mirror of
https://github.com/gravitl/netmaker.git
synced 2024-09-20 15:26:04 +08:00
548 lines
17 KiB
Go
548 lines
17 KiB
Go
package controller
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net"
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"net/http"
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"strings"
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"github.com/google/uuid"
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"github.com/gorilla/mux"
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"golang.org/x/exp/slog"
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"github.com/gravitl/netmaker/database"
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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/acls"
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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 networkHandlers(r *mux.Router) {
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r.HandleFunc("/api/networks", logic.SecurityCheck(true, http.HandlerFunc(getNetworks))).Methods(http.MethodGet)
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r.HandleFunc("/api/networks", logic.SecurityCheck(true, checkFreeTierLimits(limitChoiceNetworks, http.HandlerFunc(createNetwork)))).Methods(http.MethodPost)
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r.HandleFunc("/api/networks/{networkname}", logic.SecurityCheck(true, http.HandlerFunc(getNetwork))).Methods(http.MethodGet)
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r.HandleFunc("/api/networks/{networkname}", logic.SecurityCheck(true, http.HandlerFunc(deleteNetwork))).Methods(http.MethodDelete)
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r.HandleFunc("/api/networks/{networkname}", logic.SecurityCheck(true, http.HandlerFunc(updateNetwork))).Methods(http.MethodPut)
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// ACLs
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r.HandleFunc("/api/networks/{networkname}/acls", logic.SecurityCheck(true, http.HandlerFunc(updateNetworkACL))).Methods(http.MethodPut)
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r.HandleFunc("/api/networks/{networkname}/acls/v2", logic.SecurityCheck(true, http.HandlerFunc(updateNetworkACLv2))).Methods(http.MethodPut)
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r.HandleFunc("/api/networks/{networkname}/acls", logic.SecurityCheck(true, http.HandlerFunc(getNetworkACL))).Methods(http.MethodGet)
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}
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// swagger:route GET /api/networks networks getNetworks
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//
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// Lists all networks.
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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: getNetworksSliceResponse
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func getNetworks(w http.ResponseWriter, r *http.Request) {
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var err error
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allnetworks, err := logic.GetNetworks()
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if err != nil && !database.IsEmptyRecord(err) {
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slog.Error("failed to fetch networks", "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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logger.Log(2, r.Header.Get("user"), "fetched networks.")
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logic.SortNetworks(allnetworks[:])
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(allnetworks)
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}
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// swagger:route GET /api/networks/{networkname} networks getNetwork
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//
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// Get a network.
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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: networkBodyResponse
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func getNetwork(w http.ResponseWriter, r *http.Request) {
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// set header.
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w.Header().Set("Content-Type", "application/json")
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var params = mux.Vars(r)
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netname := params["networkname"]
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network, err := logic.GetNetwork(netname)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), fmt.Sprintf("failed to fetch network [%s] info: %v",
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netname, 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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logger.Log(2, r.Header.Get("user"), "fetched network", netname)
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(network)
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}
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// swagger:route PUT /api/networks/{networkname}/acls networks updateNetworkACL
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//
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// Update a network ACL (Access Control List).
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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: aclContainerResponse
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func updateNetworkACL(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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var params = mux.Vars(r)
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netname := params["networkname"]
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var networkACLChange acls.ACLContainer
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networkACLChange, err := networkACLChange.Get(acls.ContainerID(netname))
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if err != nil {
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logger.Log(0, r.Header.Get("user"),
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fmt.Sprintf("failed to fetch ACLs for network [%s]: %v", netname, 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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err = json.NewDecoder(r.Body).Decode(&networkACLChange)
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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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newNetACL, err := networkACLChange.Save(acls.ContainerID(netname))
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if err != nil {
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logger.Log(0, r.Header.Get("user"),
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fmt.Sprintf("failed to update ACLs for network [%s]: %v", netname, 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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logger.Log(1, r.Header.Get("user"), "updated ACLs for network", netname)
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// send peer updates
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go func() {
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if err = mq.PublishPeerUpdate(false); err != nil {
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logger.Log(0, "failed to publish peer update after ACL update on network:", netname)
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}
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}()
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(newNetACL)
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}
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// swagger:route PUT /api/networks/{networkname}/acls/v2 networks updateNetworkACL
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//
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// Update a network ACL (Access Control List).
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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: aclContainerResponse
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func updateNetworkACLv2(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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var params = mux.Vars(r)
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netname := params["networkname"]
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var networkACLChange acls.ACLContainer
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networkACLChange, err := networkACLChange.Get(acls.ContainerID(netname))
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if err != nil {
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logger.Log(0, r.Header.Get("user"),
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fmt.Sprintf("failed to fetch ACLs for network [%s]: %v", netname, 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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err = json.NewDecoder(r.Body).Decode(&networkACLChange)
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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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// clone req body to use as return data successful update
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retData := make(acls.ACLContainer)
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data, err := json.Marshal(networkACLChange)
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if err != nil {
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slog.Error("failed to marshal networkACLChange whiles cloning", "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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err = json.Unmarshal(data, &retData)
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if err != nil {
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slog.Error("failed to unmarshal networkACLChange whiles cloning", "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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allNodes, err := logic.GetAllNodes()
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if err != nil {
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slog.Error("failed to fetch all nodes", "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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networkNodes := make([]models.Node, 0)
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for _, node := range allNodes {
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if node.Network == netname {
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networkNodes = append(networkNodes, node)
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}
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}
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networkNodesIdMap := make(map[string]models.Node)
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for _, node := range networkNodes {
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networkNodesIdMap[node.ID.String()] = node
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}
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networkClients, err := logic.GetNetworkExtClients(netname)
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if err != nil {
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slog.Error("failed to fetch network clients", "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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networkClientsMap := make(map[string]models.ExtClient)
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for _, client := range networkClients {
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networkClientsMap[client.ClientID] = client
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}
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// keep track of ingress gateways to disconnect from their clients
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// this is required because PublishPeerUpdate only somehow does not stop communication
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// between blocked clients and their ingress
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assocClientsToDisconnectPerHost := make(map[uuid.UUID][]models.ExtClient)
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// update client acls and then, remove client acls from req data to pass to existing functions
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for id, acl := range networkACLChange {
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// for node acls
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if _, ok := networkNodesIdMap[string(id)]; ok {
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nodeId := string(id)
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// check acl update, then remove client entries
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for id2 := range acl {
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if _, ok := networkNodesIdMap[string(id2)]; !ok {
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// update client acl
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clientId := string(id2)
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if client, ok := networkClientsMap[clientId]; ok {
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if client.DeniedACLs == nil {
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client.DeniedACLs = make(map[string]struct{})
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}
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if acl[acls.AclID(clientId)] == acls.NotAllowed {
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client.DeniedACLs[nodeId] = struct{}{}
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} else {
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delete(client.DeniedACLs, string(nodeId))
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}
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networkClientsMap[clientId] = client
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}
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}
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}
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} else {
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// for client acls
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clientId := string(id)
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for id2 := range acl {
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if _, ok := networkNodesIdMap[string(id2)]; !ok {
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// update client acl
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clientId2 := string(id2)
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if client, ok := networkClientsMap[clientId]; ok {
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if client.DeniedACLs == nil {
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client.DeniedACLs = make(map[string]struct{})
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}
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{
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// TODO: review this when client-to-client acls are supported
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// if acl[acls.AclID(clientId2)] == acls.NotAllowed {
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// client.DeniedACLs[clientId2] = struct{}{}
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// } else {
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// delete(client.DeniedACLs, clientId2)
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// }
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delete(client.DeniedACLs, clientId2)
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}
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networkClientsMap[clientId] = client
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}
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} else {
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nodeId2 := string(id2)
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if networkClientsMap[clientId].IngressGatewayID == nodeId2 && acl[acls.AclID(nodeId2)] == acls.NotAllowed {
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assocClientsToDisconnectPerHost[networkNodesIdMap[nodeId2].HostID] = append(assocClientsToDisconnectPerHost[networkNodesIdMap[nodeId2].HostID], networkClientsMap[clientId])
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}
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}
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}
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}
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}
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// update each client in db for pro servers
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if servercfg.IsPro {
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for _, client := range networkClientsMap {
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client := client
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err := logic.DeleteExtClient(client.Network, client.ClientID)
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if err != nil {
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slog.Error("failed to delete client during update", "client", client.ClientID, "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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err = logic.SaveExtClient(&client)
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if err != nil {
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slog.Error("failed to save client during update", "client", client.ClientID, "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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}
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}
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_, err = networkACLChange.Save(acls.ContainerID(netname))
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if err != nil {
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logger.Log(0, r.Header.Get("user"),
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fmt.Sprintf("failed to update ACLs for network [%s]: %v", netname, 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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logger.Log(1, r.Header.Get("user"), "updated ACLs for network", netname)
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// send peer updates
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go func() {
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if err = mq.PublishPeerUpdate(false); err != nil {
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logger.Log(0, "failed to publish peer update after ACL update on network:", netname)
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}
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// update ingress gateways of associated clients
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hosts, err := logic.GetAllHosts()
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if err != nil {
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slog.Error("failed to fetch hosts after network ACL update. skipping publish extclients ACL", "network", netname)
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return
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}
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hostsMap := make(map[uuid.UUID]models.Host)
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for _, host := range hosts {
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hostsMap[host.ID] = host
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}
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for hostId, clients := range assocClientsToDisconnectPerHost {
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if host, ok := hostsMap[hostId]; ok {
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if err = mq.PublishSingleHostPeerUpdate(&host, allNodes, nil, clients, false); err != nil {
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slog.Error("failed to publish peer update to ingress after ACL update on network", "network", netname, "host", hostId)
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}
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}
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}
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}()
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(networkACLChange)
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}
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// swagger:route GET /api/networks/{networkname}/acls networks getNetworkACL
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//
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// Get a network ACL (Access Control List).
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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: aclContainerResponse
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func getNetworkACL(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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var params = mux.Vars(r)
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netname := params["networkname"]
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var networkACL acls.ACLContainer
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networkACL, err := networkACL.Get(acls.ContainerID(netname))
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if err != nil {
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if database.IsEmptyRecord(err) {
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networkACL = acls.ACLContainer{}
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(networkACL)
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return
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}
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logger.Log(0, r.Header.Get("user"),
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fmt.Sprintf("failed to fetch ACLs for network [%s]: %v", netname, 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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logger.Log(2, r.Header.Get("user"), "fetched acl for network", netname)
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(networkACL)
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}
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// swagger:route DELETE /api/networks/{networkname} networks deleteNetwork
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//
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// Delete a network. Will not delete if there are any nodes that belong to the network.
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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: successResponse
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func deleteNetwork(w http.ResponseWriter, r *http.Request) {
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// Set header
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w.Header().Set("Content-Type", "application/json")
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var params = mux.Vars(r)
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network := params["networkname"]
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err := logic.DeleteNetwork(network)
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if err != nil {
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errtype := "badrequest"
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if strings.Contains(err.Error(), "Node check failed") {
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errtype = "forbidden"
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}
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logger.Log(0, r.Header.Get("user"),
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fmt.Sprintf("failed to delete network [%s]: %v", network, err))
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, errtype))
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return
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}
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logger.Log(1, r.Header.Get("user"), "deleted network", network)
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode("success")
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}
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// swagger:route POST /api/networks networks createNetwork
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//
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// Create a network.
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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: networkBodyResponse
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func createNetwork(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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var network models.Network
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// we decode our body request params
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err := json.NewDecoder(r.Body).Decode(&network)
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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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if len(network.NetID) > 32 {
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err := errors.New("network name shouldn't exceed 32 characters")
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logger.Log(0, r.Header.Get("user"), "failed to create network: ",
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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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if network.AddressRange == "" && network.AddressRange6 == "" {
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err := errors.New("IPv4 or IPv6 CIDR required")
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logger.Log(0, r.Header.Get("user"), "failed to create network: ",
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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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// validate address ranges: must be private
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if network.AddressRange != "" {
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_, _, err := net.ParseCIDR(network.AddressRange)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to create network: ",
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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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}
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if network.AddressRange6 != "" {
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_, _, err := net.ParseCIDR(network.AddressRange6)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to create network: ",
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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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}
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network, err = logic.CreateNetwork(network)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to create network: ",
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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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go func() {
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defaultHosts := logic.GetDefaultHosts()
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for i := range defaultHosts {
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currHost := &defaultHosts[i]
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newNode, err := logic.UpdateHostNetwork(currHost, network.NetID, true)
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if err != nil {
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logger.Log(0, r.Header.Get("user"), "failed to add host to network:", currHost.ID.String(), network.NetID, err.Error())
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logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
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|
return
|
|
}
|
|
logger.Log(1, "added new node", newNode.ID.String(), "to host", currHost.Name)
|
|
if err = mq.HostUpdate(&models.HostUpdate{
|
|
Action: models.JoinHostToNetwork,
|
|
Host: *currHost,
|
|
Node: *newNode,
|
|
}); err != nil {
|
|
logger.Log(0, r.Header.Get("user"), "failed to add host to network:", currHost.ID.String(), network.NetID, err.Error())
|
|
}
|
|
// make host failover
|
|
logic.CreateFailOver(*newNode)
|
|
// make host remote access gateway
|
|
logic.CreateIngressGateway(network.NetID, newNode.ID.String(), models.IngressRequest{})
|
|
}
|
|
// send peer updates
|
|
if err = mq.PublishPeerUpdate(false); err != nil {
|
|
logger.Log(1, "failed to publish peer update for default hosts after network is added")
|
|
}
|
|
}()
|
|
|
|
logger.Log(1, r.Header.Get("user"), "created network", network.NetID)
|
|
w.WriteHeader(http.StatusOK)
|
|
json.NewEncoder(w).Encode(network)
|
|
}
|
|
|
|
// swagger:route PUT /api/networks/{networkname} networks updateNetwork
|
|
//
|
|
// Update pro settings for 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 payload models.Network
|
|
|
|
// we decode our body request params
|
|
err := json.NewDecoder(r.Body).Decode(&payload)
|
|
if err != nil {
|
|
slog.Info("error decoding request body", "user", r.Header.Get("user"), "err", err)
|
|
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
|
|
return
|
|
}
|
|
|
|
netOld1, err := logic.GetNetwork(payload.NetID)
|
|
if err != nil {
|
|
slog.Info("error fetching network", "user", r.Header.Get("user"), "err", err)
|
|
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
|
|
return
|
|
}
|
|
// partial update
|
|
netOld2 := netOld1
|
|
_, _, _, err = logic.UpdateNetwork(&netOld1, &netOld2)
|
|
if err != nil {
|
|
slog.Info("failed to update network", "user", r.Header.Get("user"), "err", err)
|
|
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
|
|
return
|
|
}
|
|
|
|
slog.Info("updated network", "network", payload.NetID, "user", r.Header.Get("user"))
|
|
w.WriteHeader(http.StatusOK)
|
|
json.NewEncoder(w).Encode(payload)
|
|
}
|