mirror of
https://github.com/gravitl/netmaker.git
synced 2025-10-28 03:01:48 +08:00
262 lines
9.7 KiB
Go
262 lines
9.7 KiB
Go
package models
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import (
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"encoding/json"
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"errors"
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"strings"
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"time"
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"github.com/go-playground/validator/v10"
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"github.com/gravitl/netmaker/database"
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)
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//Network Struct
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//At some point, need to replace all instances of Name with something else like Identifier
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type Network struct {
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AddressRange string `json:"addressrange" bson:"addressrange" validate:"required,cidr"`
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AddressRange6 string `json:"addressrange6" bson:"addressrange6" validate:"regexp=^s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:)))(%.+)?s*(\/([0-9]|[1-9][0-9]|1[0-1][0-9]|12[0-8]))?$"`
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DisplayName string `json:"displayname,omitempty" bson:"displayname,omitempty" validate:"omitempty,min=1,max=20,displayname_valid"`
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NetID string `json:"netid" bson:"netid" validate:"required,min=1,max=12,netid_valid"`
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NodesLastModified int64 `json:"nodeslastmodified" bson:"nodeslastmodified"`
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NetworkLastModified int64 `json:"networklastmodified" bson:"networklastmodified"`
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DefaultInterface string `json:"defaultinterface" bson:"defaultinterface" validate:"min=1,max=15"`
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DefaultListenPort int32 `json:"defaultlistenport,omitempty" bson:"defaultlistenport,omitempty" validate:"omitempty,min=1024,max=65535"`
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NodeLimit int32 `json:"nodelimit" bson:"nodelimit"`
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DefaultPostUp string `json:"defaultpostup" bson:"defaultpostup"`
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DefaultPostDown string `json:"defaultpostdown" bson:"defaultpostdown"`
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KeyUpdateTimeStamp int64 `json:"keyupdatetimestamp" bson:"keyupdatetimestamp"`
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DefaultKeepalive int32 `json:"defaultkeepalive" bson:"defaultkeepalive" validate:"omitempty,max=1000"`
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DefaultSaveConfig string `json:"defaultsaveconfig" bson:"defaultsaveconfig" validate:"regexp=^(yes|no)$"`
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AccessKeys []AccessKey `json:"accesskeys" bson:"accesskeys"`
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AllowManualSignUp string `json:"allowmanualsignup" bson:"allowmanualsignup" validate:"regexp=^(yes|no)$"`
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IsLocal string `json:"islocal" bson:"islocal" validate:"regexp=^(yes|no)$"`
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IsDualStack string `json:"isdualstack" bson:"isdualstack" validate:"regexp=^(yes|no)$"`
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IsIPv4 string `json:"isipv4" bson:"isipv4" validate:"regexp=^(yes|no)$"`
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IsIPv6 string `json:"isipv6" bson:"isipv6" validate:"regexp=^(yes|no)$"`
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IsGRPCHub string `json:"isgrpchub" bson:"isgrpchub" validate:"regexp=^(yes|no)$"`
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LocalRange string `json:"localrange" bson:"localrange" validate:"omitempty,cidr"`
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DefaultCheckInInterval int32 `json:"checkininterval,omitempty" bson:"checkininterval,omitempty" validate:"omitempty,numeric,min=2,max=100000"`
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DefaultUDPHolePunch string `json:"defaultudpholepunch" bson:"defaultudpholepunch" validate:"regexp=^(yes|no)$"`
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}
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type SaveData struct { // put sensitive fields here
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NetID string `json:"netid" bson:"netid" validate:"required,min=1,max=12,netid_valid"`
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}
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var FIELDS = map[string][]string{
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// "id": {"ID", "string"},
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"addressrange": {"AddressRange", "string"},
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"addressrange6": {"AddressRange6", "string"},
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"displayname": {"DisplayName", "string"},
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"netid": {"NetID", "string"},
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"nodeslastmodified": {"NodesLastModified", "int64"},
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"networklastmodified": {"NetworkLastModified", "int64"},
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"defaultinterface": {"DefaultInterface", "string"},
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"defaultlistenport": {"DefaultListenPort", "int32"},
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"nodelimit": {"NodeLimit", "int32"},
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"defaultpostup": {"DefaultPostUp", "string"},
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"defaultpostdown": {"DefaultPostDown", "string"},
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"keyupdatetimestamp": {"KeyUpdateTimeStamp", "int64"},
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"defaultkeepalive": {"DefaultKeepalive", "int32"},
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"defaultsaveconfig": {"DefaultSaveConfig", "string"},
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"accesskeys": {"AccessKeys", "[]AccessKey"},
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"allowmanualsignup": {"AllowManualSignUp", "string"},
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"islocal": {"IsLocal", "string"},
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"isdualstack": {"IsDualStack", "string"},
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"isipv4": {"IsIPv4", "string"},
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"isipv6": {"IsIPv6", "string"},
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"isgrpchub": {"IsGRPCHub", "string"},
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"localrange": {"LocalRange", "string"},
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"checkininterval": {"DefaultCheckInInterval", "int32"},
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"defaultudpholepunch": {"DefaultUDPHolePunch", "string"},
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}
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func (network *Network) FieldExists(field string) bool {
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return len(FIELDS[field]) > 0
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}
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func (network *Network) NetIDInNetworkCharSet() bool {
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charset := "abcdefghijklmnopqrstuvwxyz1234567890-_."
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for _, char := range network.NetID {
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if !strings.Contains(charset, strings.ToLower(string(char))) {
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return false
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}
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}
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return true
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}
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func (network *Network) DisplayNameInNetworkCharSet() bool {
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charset := "abcdefghijklmnopqrstuvwxyz1234567890-_./;% ^#()!@$*"
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for _, char := range network.DisplayName {
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if !strings.Contains(charset, strings.ToLower(string(char))) {
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return false
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}
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}
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return true
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}
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// Anyway, returns all the networks
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func GetNetworks() ([]Network, error) {
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var networks []Network
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collection, err := database.FetchRecords(database.NETWORKS_TABLE_NAME)
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if err != nil {
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return networks, err
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}
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for _, value := range collection {
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var network Network
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if err := json.Unmarshal([]byte(value), &network); err != nil {
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return networks, err
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}
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// add network our array
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networks = append(networks, network)
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}
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return networks, err
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}
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func (network *Network) IsNetworkDisplayNameUnique() (bool, error) {
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isunique := true
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records, err := GetNetworks()
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if err != nil {
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return false, err
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}
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for i := 0; i < len(records); i++ {
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if network.NetID == records[i].DisplayName {
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isunique = false
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}
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}
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return isunique, nil
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}
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//Checks to see if any other networks have the same name (id)
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func (network *Network) IsNetworkNameUnique() (bool, error) {
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isunique := true
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dbs, err := GetNetworks()
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if err != nil {
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return false, err
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}
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for i := 0; i < len(dbs); i++ {
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if network.NetID == dbs[i].NetID {
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isunique = false
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}
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}
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return isunique, nil
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}
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func (network *Network) Validate() error {
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v := validator.New()
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_ = v.RegisterValidation("netid_valid", func(fl validator.FieldLevel) bool {
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isFieldUnique, _ := network.IsNetworkNameUnique()
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inCharSet := network.NetIDInNetworkCharSet()
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return isFieldUnique && inCharSet
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})
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//
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_ = v.RegisterValidation("displayname_valid", func(fl validator.FieldLevel) bool {
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isFieldUnique, _ := network.IsNetworkDisplayNameUnique()
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inCharSet := network.DisplayNameInNetworkCharSet()
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return isFieldUnique && inCharSet
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})
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err := v.Struct(network)
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return err
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}
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//TODO:
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//Not sure if we need the below two functions. Got rid of one of the calls. May want to revisit
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func (network *Network) SetNodesLastModified() {
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network.NodesLastModified = time.Now().Unix()
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}
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func (network *Network) SetNetworkLastModified() {
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network.NetworkLastModified = time.Now().Unix()
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}
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func (network *Network) SetDefaults() {
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if network.DefaultUDPHolePunch == "" {
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network.DefaultUDPHolePunch = "yes"
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}
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if network.IsLocal == "" {
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network.IsLocal = "no"
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}
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if network.IsGRPCHub == "" {
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network.IsGRPCHub = "no"
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}
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if network.DisplayName == "" {
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network.DisplayName = network.NetID
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}
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if network.DefaultInterface == "" {
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if len(network.NetID) < 13 {
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network.DefaultInterface = "nm-" + network.NetID
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} else {
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network.DefaultInterface = network.NetID
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}
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}
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if network.DefaultListenPort == 0 {
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network.DefaultListenPort = 51821
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}
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if network.NodeLimit == 0 {
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network.NodeLimit = 999999999
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}
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if network.DefaultSaveConfig == "" {
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network.DefaultSaveConfig = "no"
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}
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if network.DefaultKeepalive == 0 {
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network.DefaultKeepalive = 20
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}
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//Check-In Interval for Nodes, In Seconds
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if network.DefaultCheckInInterval == 0 {
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network.DefaultCheckInInterval = 30
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}
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if network.AllowManualSignUp == "" {
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network.AllowManualSignUp = "no"
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}
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if network.IsDualStack == "" {
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network.IsDualStack = "no"
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}
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if network.IsDualStack == "yes" {
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network.IsIPv6 = "yes"
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network.IsIPv4 = "yes"
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} else {
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network.IsIPv6 = "no"
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network.IsIPv4 = "yes"
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}
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}
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func (currentNetwork *Network) Update(newNetwork *Network) (bool, bool, error) {
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if err := newNetwork.Validate(); err != nil {
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return false, false, err
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}
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if newNetwork.NetID == currentNetwork.NetID {
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hasrangeupdate := newNetwork.AddressRange != currentNetwork.AddressRange
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localrangeupdate := newNetwork.LocalRange != currentNetwork.LocalRange
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if data, err := json.Marshal(newNetwork); err != nil {
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return false, false, err
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} else {
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newNetwork.SetNetworkLastModified()
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err = database.Insert(newNetwork.NetID, string(data), database.NETWORKS_TABLE_NAME)
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return hasrangeupdate, localrangeupdate, err
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}
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}
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// copy values
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return false, false, errors.New("failed to update network " + newNetwork.NetID + ", cannot change netid.")
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}
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