wg-portal/internal/app/wireguard/wireguard_interfaces.go
h44z d596f578f6
API - CRUD for peers, interfaces and users (#340)
Public REST API implementation to handle peers, interfaces and users. It also includes some simple provisioning endpoints.

The Swagger API documentation is available under /api/v1/doc.html
2025-01-11 18:44:55 +01:00

849 lines
24 KiB
Go

package wireguard
import (
"context"
"errors"
"fmt"
"os"
"time"
"github.com/h44z/wg-portal/internal"
"github.com/h44z/wg-portal/internal/app"
"github.com/h44z/wg-portal/internal/domain"
"github.com/sirupsen/logrus"
)
func (m Manager) GetImportableInterfaces(ctx context.Context) ([]domain.PhysicalInterface, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, err
}
physicalInterfaces, err := m.wg.GetInterfaces(ctx)
if err != nil {
return nil, err
}
return physicalInterfaces, nil
}
func (m Manager) GetInterfaceAndPeers(ctx context.Context, id domain.InterfaceIdentifier) (
*domain.Interface,
[]domain.Peer,
error,
) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, nil, err
}
return m.db.GetInterfaceAndPeers(ctx, id)
}
func (m Manager) GetAllInterfaces(ctx context.Context) ([]domain.Interface, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, err
}
return m.db.GetAllInterfaces(ctx)
}
func (m Manager) GetAllInterfacesAndPeers(ctx context.Context) ([]domain.Interface, [][]domain.Peer, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, nil, err
}
interfaces, err := m.db.GetAllInterfaces(ctx)
if err != nil {
return nil, nil, fmt.Errorf("unable to load all interfaces: %w", err)
}
allPeers := make([][]domain.Peer, len(interfaces))
for i, iface := range interfaces {
peers, err := m.db.GetInterfacePeers(ctx, iface.Identifier)
if err != nil {
return nil, nil, fmt.Errorf("failed to load peers for interface %s: %w", iface.Identifier, err)
}
allPeers[i] = peers
}
return interfaces, allPeers, nil
}
func (m Manager) ImportNewInterfaces(ctx context.Context, filter ...domain.InterfaceIdentifier) (int, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return 0, err
}
physicalInterfaces, err := m.wg.GetInterfaces(ctx)
if err != nil {
return 0, err
}
// if no filter is given, exclude already existing interfaces
var excludedInterfaces []domain.InterfaceIdentifier
if len(filter) == 0 {
existingInterfaces, err := m.db.GetAllInterfaces(ctx)
if err != nil {
return 0, err
}
for _, existingInterface := range existingInterfaces {
excludedInterfaces = append(excludedInterfaces, existingInterface.Identifier)
}
}
imported := 0
for _, physicalInterface := range physicalInterfaces {
if internal.SliceContains(excludedInterfaces, physicalInterface.Identifier) {
continue
}
if len(filter) != 0 && !internal.SliceContains(filter, physicalInterface.Identifier) {
continue
}
logrus.Infof("importing new interface %s...", physicalInterface.Identifier)
physicalPeers, err := m.wg.GetPeers(ctx, physicalInterface.Identifier)
if err != nil {
return 0, err
}
err = m.importInterface(ctx, &physicalInterface, physicalPeers)
if err != nil {
return 0, fmt.Errorf("import of %s failed: %w", physicalInterface.Identifier, err)
}
logrus.Infof("imported new interface %s and %d peers", physicalInterface.Identifier, len(physicalPeers))
imported++
}
return imported, nil
}
func (m Manager) ApplyPeerDefaults(ctx context.Context, in *domain.Interface) error {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return err
}
existingInterface, err := m.db.GetInterface(ctx, in.Identifier)
if err != nil {
return fmt.Errorf("unable to load existing interface %s: %w", in.Identifier, err)
}
if err := m.validateInterfaceModifications(ctx, existingInterface, in); err != nil {
return fmt.Errorf("update not allowed: %w", err)
}
peers, err := m.db.GetInterfacePeers(ctx, in.Identifier)
if err != nil {
return fmt.Errorf("failed to find peers for interface %s: %w", in.Identifier, err)
}
for i := range peers {
(&peers[i]).ApplyInterfaceDefaults(in)
_, err := m.UpdatePeer(ctx, &peers[i])
if err != nil {
return fmt.Errorf("failed to apply interface defaults to peer %s: %w", peers[i].Identifier, err)
}
}
return nil
}
func (m Manager) RestoreInterfaceState(
ctx context.Context,
updateDbOnError bool,
filter ...domain.InterfaceIdentifier,
) error {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return err
}
interfaces, err := m.db.GetAllInterfaces(ctx)
if err != nil {
return err
}
for _, iface := range interfaces {
if len(filter) != 0 && !internal.SliceContains(filter, iface.Identifier) {
continue // ignore filtered interface
}
peers, err := m.db.GetInterfacePeers(ctx, iface.Identifier)
if err != nil {
return fmt.Errorf("failed to load peers for %s: %w", iface.Identifier, err)
}
_, err = m.wg.GetInterface(ctx, iface.Identifier)
if err != nil && !iface.IsDisabled() {
logrus.Debugf("creating missing interface %s...", iface.Identifier)
// try to create a new interface
_, err = m.saveInterface(ctx, &iface)
if err != nil {
if updateDbOnError {
// disable interface in database as no physical interface exists
_ = m.db.SaveInterface(ctx, iface.Identifier,
func(in *domain.Interface) (*domain.Interface, error) {
now := time.Now()
in.Disabled = &now // set
in.DisabledReason = domain.DisabledReasonInterfaceMissing
return in, nil
})
}
return fmt.Errorf("failed to create physical interface %s: %w", iface.Identifier, err)
}
} else {
logrus.Debugf("restoring interface state for %s to disabled=%t", iface.Identifier, iface.IsDisabled())
// try to move interface to stored state
_, err = m.saveInterface(ctx, &iface)
if err != nil {
if updateDbOnError {
// disable interface in database as no physical interface is available
_ = m.db.SaveInterface(ctx, iface.Identifier,
func(in *domain.Interface) (*domain.Interface, error) {
if iface.IsDisabled() {
now := time.Now()
in.Disabled = &now // set
in.DisabledReason = domain.DisabledReasonInterfaceMissing
} else {
in.Disabled = nil
in.DisabledReason = ""
}
return in, nil
})
}
return fmt.Errorf("failed to change physical interface state for %s: %w", iface.Identifier, err)
}
}
// restore peers
for _, peer := range peers {
switch {
case iface.IsDisabled(): // if interface is disabled, delete all peers
if err := m.wg.DeletePeer(ctx, iface.Identifier, peer.Identifier); err != nil {
return fmt.Errorf("failed to remove peer %s for disabled interface %s: %w",
peer.Identifier, iface.Identifier, err)
}
case peer.IsDisabled(): // if peer is disabled, delete it
if err := m.wg.DeletePeer(ctx, iface.Identifier, peer.Identifier); err != nil {
return fmt.Errorf("failed to remove disbaled peer %s from interface %s: %w",
peer.Identifier, iface.Identifier, err)
}
default: // update peer
err := m.wg.SavePeer(ctx, iface.Identifier, peer.Identifier,
func(pp *domain.PhysicalPeer) (*domain.PhysicalPeer, error) {
domain.MergeToPhysicalPeer(pp, &peer)
return pp, nil
})
if err != nil {
return fmt.Errorf("failed to create/update physical peer %s for interface %s: %w",
peer.Identifier, iface.Identifier, err)
}
}
}
// remove non-wgportal peers
physicalPeers, _ := m.wg.GetPeers(ctx, iface.Identifier)
for _, physicalPeer := range physicalPeers {
isWgPortalPeer := false
for _, peer := range peers {
if peer.Identifier == domain.PeerIdentifier(physicalPeer.PublicKey) {
isWgPortalPeer = true
break
}
}
if !isWgPortalPeer {
err := m.wg.DeletePeer(ctx, iface.Identifier, domain.PeerIdentifier(physicalPeer.PublicKey))
if err != nil {
return fmt.Errorf("failed to remove non-wgportal peer %s from interface %s: %w",
physicalPeer.PublicKey, iface.Identifier, err)
}
}
}
}
return nil
}
func (m Manager) PrepareInterface(ctx context.Context) (*domain.Interface, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, err
}
currentUser := domain.GetUserInfo(ctx)
kp, err := domain.NewFreshKeypair()
if err != nil {
return nil, fmt.Errorf("failed to generate keys: %w", err)
}
id, err := m.getNewInterfaceName(ctx)
if err != nil {
return nil, fmt.Errorf("failed to generate new identifier: %w", err)
}
ipv4, ipv6, err := m.getFreshInterfaceIpConfig(ctx)
if err != nil {
return nil, fmt.Errorf("failed to generate new ip config: %w", err)
}
port, err := m.getFreshListenPort(ctx)
if err != nil {
return nil, fmt.Errorf("failed to generate new listen port: %w", err)
}
ips := []domain.Cidr{ipv4}
if m.cfg.Advanced.UseIpV6 {
ips = append(ips, ipv6)
}
networks := []domain.Cidr{ipv4.NetworkAddr()}
if m.cfg.Advanced.UseIpV6 {
networks = append(networks, ipv6.NetworkAddr())
}
freshInterface := &domain.Interface{
BaseModel: domain.BaseModel{
CreatedBy: string(currentUser.Id),
UpdatedBy: string(currentUser.Id),
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Identifier: id,
KeyPair: kp,
ListenPort: port,
Addresses: ips,
DnsStr: "",
DnsSearchStr: "",
Mtu: 1420,
FirewallMark: 0,
RoutingTable: "",
PreUp: "",
PostUp: "",
PreDown: "",
PostDown: "",
SaveConfig: m.cfg.Advanced.ConfigStoragePath != "",
DisplayName: string(id),
Type: domain.InterfaceTypeServer,
DriverType: "",
Disabled: nil,
DisabledReason: "",
PeerDefNetworkStr: domain.CidrsToString(networks),
PeerDefDnsStr: "",
PeerDefDnsSearchStr: "",
PeerDefEndpoint: "",
PeerDefAllowedIPsStr: domain.CidrsToString(networks),
PeerDefMtu: 1420,
PeerDefPersistentKeepalive: 16,
PeerDefFirewallMark: 0,
PeerDefRoutingTable: "",
PeerDefPreUp: "",
PeerDefPostUp: "",
PeerDefPreDown: "",
PeerDefPostDown: "",
}
return freshInterface, nil
}
func (m Manager) CreateInterface(ctx context.Context, in *domain.Interface) (*domain.Interface, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, err
}
existingInterface, err := m.db.GetInterface(ctx, in.Identifier)
if err != nil && !errors.Is(err, domain.ErrNotFound) {
return nil, fmt.Errorf("unable to load existing interface %s: %w", in.Identifier, err)
}
if existingInterface != nil {
return nil, fmt.Errorf("interface %s already exists: %w", in.Identifier, domain.ErrDuplicateEntry)
}
if err := m.validateInterfaceCreation(ctx, existingInterface, in); err != nil {
return nil, fmt.Errorf("creation not allowed: %w", err)
}
in, err = m.saveInterface(ctx, in)
if err != nil {
return nil, fmt.Errorf("creation failure: %w", err)
}
return in, nil
}
func (m Manager) UpdateInterface(ctx context.Context, in *domain.Interface) (*domain.Interface, []domain.Peer, error) {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return nil, nil, err
}
existingInterface, existingPeers, err := m.db.GetInterfaceAndPeers(ctx, in.Identifier)
if err != nil {
return nil, nil, fmt.Errorf("unable to load existing interface %s: %w", in.Identifier, err)
}
if err := m.validateInterfaceModifications(ctx, existingInterface, in); err != nil {
return nil, nil, fmt.Errorf("update not allowed: %w", err)
}
in, err = m.saveInterface(ctx, in)
if err != nil {
return nil, nil, fmt.Errorf("update failure: %w", err)
}
return in, existingPeers, nil
}
func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentifier) error {
if err := domain.ValidateAdminAccessRights(ctx); err != nil {
return err
}
existingInterface, err := m.db.GetInterface(ctx, id)
if err != nil {
return fmt.Errorf("unable to find interface %s: %w", id, err)
}
if err := m.validateInterfaceDeletion(ctx, existingInterface); err != nil {
return fmt.Errorf("deletion not allowed: %w", err)
}
now := time.Now()
existingInterface.Disabled = &now // simulate a disabled interface
existingInterface.DisabledReason = domain.DisabledReasonDeleted
physicalInterface, _ := m.wg.GetInterface(ctx, id)
if err := m.handleInterfacePreSaveHooks(true, existingInterface); err != nil {
return fmt.Errorf("pre-delete hooks failed: %w", err)
}
if err := m.handleInterfacePreSaveActions(existingInterface); err != nil {
return fmt.Errorf("pre-delete actions failed: %w", err)
}
if err := m.deleteInterfacePeers(ctx, id); err != nil {
return fmt.Errorf("peer deletion failure: %w", err)
}
if err := m.wg.DeleteInterface(ctx, id); err != nil {
return fmt.Errorf("wireguard deletion failure: %w", err)
}
if err := m.db.DeleteInterface(ctx, id); err != nil {
return fmt.Errorf("deletion failure: %w", err)
}
fwMark := existingInterface.FirewallMark
if physicalInterface != nil && fwMark == 0 {
fwMark = physicalInterface.FirewallMark
}
m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
FwMark: fwMark,
Table: existingInterface.GetRoutingTable(),
})
if err := m.handleInterfacePostSaveHooks(true, existingInterface); err != nil {
return fmt.Errorf("post-delete hooks failed: %w", err)
}
return nil
}
// region helper-functions
func (m Manager) saveInterface(ctx context.Context, iface *domain.Interface) (
*domain.Interface,
error,
) {
stateChanged := m.hasInterfaceStateChanged(ctx, iface)
if err := m.handleInterfacePreSaveHooks(stateChanged, iface); err != nil {
return nil, fmt.Errorf("pre-save hooks failed: %w", err)
}
if err := m.handleInterfacePreSaveActions(iface); err != nil {
return nil, fmt.Errorf("pre-save actions failed: %w", err)
}
err := m.db.SaveInterface(ctx, iface.Identifier, func(i *domain.Interface) (*domain.Interface, error) {
iface.CopyCalculatedAttributes(i)
err := m.wg.SaveInterface(ctx, iface.Identifier,
func(pi *domain.PhysicalInterface) (*domain.PhysicalInterface, error) {
domain.MergeToPhysicalInterface(pi, iface)
return pi, nil
})
if err != nil {
return nil, fmt.Errorf("failed to save physical interface %s: %w", iface.Identifier, err)
}
return iface, nil
})
if err != nil {
return nil, fmt.Errorf("failed to save interface: %w", err)
}
if iface.IsDisabled() {
physicalInterface, _ := m.wg.GetInterface(ctx, iface.Identifier)
fwMark := iface.FirewallMark
if physicalInterface != nil && fwMark == 0 {
fwMark = physicalInterface.FirewallMark
}
m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
FwMark: fwMark,
Table: iface.GetRoutingTable(),
})
} else {
m.bus.Publish(app.TopicRouteUpdate, "interface updated: "+string(iface.Identifier))
}
if err := m.handleInterfacePostSaveHooks(stateChanged, iface); err != nil {
return nil, fmt.Errorf("post-save hooks failed: %w", err)
}
m.bus.Publish(app.TopicInterfaceUpdated, iface)
return iface, nil
}
func (m Manager) hasInterfaceStateChanged(ctx context.Context, iface *domain.Interface) bool {
oldInterface, err := m.db.GetInterface(ctx, iface.Identifier)
if err != nil {
return false
}
if oldInterface.IsDisabled() != iface.IsDisabled() {
return true // interface in db has changed
}
wgInterface, err := m.wg.GetInterface(ctx, iface.Identifier)
if err != nil {
return true // interface might not exist - so we assume that there must be a change
}
// compare physical interface settings
if len(wgInterface.Addresses) != len(iface.Addresses) ||
wgInterface.Mtu != iface.Mtu ||
wgInterface.FirewallMark != iface.FirewallMark ||
wgInterface.ListenPort != iface.ListenPort ||
wgInterface.PrivateKey != iface.PrivateKey ||
wgInterface.PublicKey != iface.PublicKey {
return true
}
return false
}
func (m Manager) handleInterfacePreSaveActions(iface *domain.Interface) error {
if !iface.IsDisabled() {
if err := m.quick.SetDNS(iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
return fmt.Errorf("failed to update dns settings: %w", err)
}
} else {
if err := m.quick.UnsetDNS(iface.Identifier); err != nil {
return fmt.Errorf("failed to clear dns settings: %w", err)
}
}
return nil
}
func (m Manager) handleInterfacePreSaveHooks(stateChanged bool, iface *domain.Interface) error {
if !stateChanged {
return nil // do nothing if state did not change
}
if !iface.IsDisabled() {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PreUp); err != nil {
return fmt.Errorf("failed to execute pre-up hook: %w", err)
}
} else {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PreDown); err != nil {
return fmt.Errorf("failed to execute pre-down hook: %w", err)
}
}
return nil
}
func (m Manager) handleInterfacePostSaveHooks(stateChanged bool, iface *domain.Interface) error {
if !stateChanged {
return nil // do nothing if state did not change
}
if !iface.IsDisabled() {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PostUp); err != nil {
return fmt.Errorf("failed to execute post-up hook: %w", err)
}
} else {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PostDown); err != nil {
return fmt.Errorf("failed to execute post-down hook: %w", err)
}
}
return nil
}
func (m Manager) getNewInterfaceName(ctx context.Context) (domain.InterfaceIdentifier, error) {
namePrefix := "wg"
nameSuffix := 0
existingInterfaces, err := m.db.GetAllInterfaces(ctx)
if err != nil {
return "", err
}
var name domain.InterfaceIdentifier
for {
name = domain.InterfaceIdentifier(fmt.Sprintf("%s%d", namePrefix, nameSuffix))
conflict := false
for _, in := range existingInterfaces {
if in.Identifier == name {
conflict = true
break
}
}
if !conflict {
break
}
nameSuffix++
}
return name, nil
}
func (m Manager) getFreshInterfaceIpConfig(ctx context.Context) (ipV4, ipV6 domain.Cidr, err error) {
ips, err := m.db.GetInterfaceIps(ctx)
if err != nil {
err = fmt.Errorf("failed to get existing IP addresses: %w", err)
return
}
useV6 := m.cfg.Advanced.UseIpV6
ipV4, _ = domain.CidrFromString(m.cfg.Advanced.StartCidrV4)
ipV6, _ = domain.CidrFromString(m.cfg.Advanced.StartCidrV6)
ipV4 = ipV4.FirstAddr()
ipV6 = ipV6.FirstAddr()
netV4 := ipV4.NetworkAddr()
netV6 := ipV6.NetworkAddr()
for {
v4Conflict := false
v6Conflict := false
for _, usedIps := range ips {
for _, usedIp := range usedIps {
usedNetwork := usedIp.NetworkAddr()
if netV4 == usedNetwork {
v4Conflict = true
}
if netV6 == usedNetwork {
v6Conflict = true
}
}
}
if !v4Conflict && (!useV6 || !v6Conflict) {
break
}
if v4Conflict {
netV4 = netV4.NextSubnet()
}
if v6Conflict && useV6 {
netV6 = netV6.NextSubnet()
}
if !netV4.IsValid() {
return domain.Cidr{}, domain.Cidr{}, fmt.Errorf("IPv4 space exhausted")
}
if useV6 && !netV6.IsValid() {
return domain.Cidr{}, domain.Cidr{}, fmt.Errorf("IPv6 space exhausted")
}
}
// use first address in network for interface
ipV4 = netV4.NextAddr()
ipV6 = netV6.NextAddr()
return
}
func (m Manager) getFreshListenPort(ctx context.Context) (port int, err error) {
existingInterfaces, err := m.db.GetAllInterfaces(ctx)
if err != nil {
return -1, err
}
port = m.cfg.Advanced.StartListenPort
for {
conflict := false
for _, in := range existingInterfaces {
if in.ListenPort == port {
conflict = true
break
}
}
if !conflict {
break
}
port++
}
if port > 65535 { // maximum allowed port number (16 bit uint)
return -1, fmt.Errorf("port space exhausted")
}
return
}
func (m Manager) importInterface(ctx context.Context, in *domain.PhysicalInterface, peers []domain.PhysicalPeer) error {
now := time.Now()
iface := domain.ConvertPhysicalInterface(in)
iface.BaseModel = domain.BaseModel{
CreatedBy: "importer",
UpdatedBy: "importer",
CreatedAt: now,
UpdatedAt: now,
}
iface.PeerDefAllowedIPsStr = iface.AddressStr()
existingInterface, err := m.db.GetInterface(ctx, iface.Identifier)
if err != nil && !errors.Is(err, domain.ErrNotFound) {
return err
}
if existingInterface != nil {
return errors.New("interface already exists")
}
err = m.db.SaveInterface(ctx, iface.Identifier, func(_ *domain.Interface) (*domain.Interface, error) {
return iface, nil
})
if err != nil {
return fmt.Errorf("database save failed: %w", err)
}
// import peers
for _, peer := range peers {
err = m.importPeer(ctx, iface, &peer)
if err != nil {
return fmt.Errorf("import of peer %s failed: %w", peer.Identifier, err)
}
}
return nil
}
func (m Manager) importPeer(ctx context.Context, in *domain.Interface, p *domain.PhysicalPeer) error {
now := time.Now()
peer := domain.ConvertPhysicalPeer(p)
peer.BaseModel = domain.BaseModel{
CreatedBy: "importer",
UpdatedBy: "importer",
CreatedAt: now,
UpdatedAt: now,
}
peer.InterfaceIdentifier = in.Identifier
peer.EndpointPublicKey = domain.NewConfigOption(in.PublicKey, true)
peer.AllowedIPsStr = domain.NewConfigOption(in.PeerDefAllowedIPsStr, true)
peer.Interface.Addresses = p.AllowedIPs // use allowed IP's as the peer IP's TODO: Should this also match server interface address' prefix length?
peer.Interface.DnsStr = domain.NewConfigOption(in.PeerDefDnsStr, true)
peer.Interface.DnsSearchStr = domain.NewConfigOption(in.PeerDefDnsSearchStr, true)
peer.Interface.Mtu = domain.NewConfigOption(in.PeerDefMtu, true)
peer.Interface.FirewallMark = domain.NewConfigOption(in.PeerDefFirewallMark, true)
peer.Interface.RoutingTable = domain.NewConfigOption(in.PeerDefRoutingTable, true)
peer.Interface.PreUp = domain.NewConfigOption(in.PeerDefPreUp, true)
peer.Interface.PostUp = domain.NewConfigOption(in.PeerDefPostUp, true)
peer.Interface.PreDown = domain.NewConfigOption(in.PeerDefPreDown, true)
peer.Interface.PostDown = domain.NewConfigOption(in.PeerDefPostDown, true)
switch in.Type {
case domain.InterfaceTypeAny:
peer.Interface.Type = domain.InterfaceTypeAny
peer.DisplayName = "Autodetected Peer (" + peer.Interface.PublicKey[0:8] + ")"
case domain.InterfaceTypeClient:
peer.Interface.Type = domain.InterfaceTypeServer
peer.DisplayName = "Autodetected Endpoint (" + peer.Interface.PublicKey[0:8] + ")"
case domain.InterfaceTypeServer:
peer.Interface.Type = domain.InterfaceTypeClient
peer.DisplayName = "Autodetected Client (" + peer.Interface.PublicKey[0:8] + ")"
}
err := m.db.SavePeer(ctx, peer.Identifier, func(_ *domain.Peer) (*domain.Peer, error) {
return peer, nil
})
if err != nil {
return fmt.Errorf("database save failed: %w", err)
}
return nil
}
func (m Manager) deleteInterfacePeers(ctx context.Context, id domain.InterfaceIdentifier) error {
allPeers, err := m.db.GetInterfacePeers(ctx, id)
if err != nil {
return err
}
for _, peer := range allPeers {
err = m.wg.DeletePeer(ctx, id, peer.Identifier)
if err != nil && !errors.Is(err, os.ErrNotExist) {
return fmt.Errorf("wireguard peer deletion failure for %s: %w", peer.Identifier, err)
}
err = m.db.DeletePeer(ctx, peer.Identifier)
if err != nil {
return fmt.Errorf("peer deletion failure for %s: %w", peer.Identifier, err)
}
}
return nil
}
func (m Manager) validateInterfaceModifications(ctx context.Context, old, new *domain.Interface) error {
currentUser := domain.GetUserInfo(ctx)
if !currentUser.IsAdmin {
return fmt.Errorf("insufficient permissions")
}
return nil
}
func (m Manager) validateInterfaceCreation(ctx context.Context, old, new *domain.Interface) error {
currentUser := domain.GetUserInfo(ctx)
if new.Identifier == "" {
return fmt.Errorf("invalid interface identifier")
}
if !currentUser.IsAdmin {
return fmt.Errorf("insufficient permissions")
}
// validate public key if it is set
if new.PublicKey != "" && new.PrivateKey != "" {
if domain.PublicKeyFromPrivateKey(new.PrivateKey) != new.PublicKey {
return fmt.Errorf("invalid public key for given privatekey: %w", domain.ErrInvalidData)
}
}
return nil
}
func (m Manager) validateInterfaceDeletion(ctx context.Context, del *domain.Interface) error {
currentUser := domain.GetUserInfo(ctx)
if !currentUser.IsAdmin {
return fmt.Errorf("insufficient permissions")
}
return nil
}
// endregion helper-functions