mirror of
https://github.com/netbirdio/netbird.git
synced 2024-12-15 03:11:02 +01:00
581 lines
18 KiB
Go
581 lines
18 KiB
Go
package server
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import (
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"context"
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"errors"
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"fmt"
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"slices"
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"github.com/rs/xid"
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log "github.com/sirupsen/logrus"
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nbdns "github.com/netbirdio/netbird/dns"
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"github.com/netbirdio/netbird/management/server/store"
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"github.com/netbirdio/netbird/management/server/types"
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"github.com/netbirdio/netbird/management/server/util"
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"github.com/netbirdio/netbird/route"
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"github.com/netbirdio/netbird/management/server/activity"
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nbgroup "github.com/netbirdio/netbird/management/server/group"
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"github.com/netbirdio/netbird/management/server/status"
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)
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type GroupLinkError struct {
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Resource string
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Name string
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}
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func (e *GroupLinkError) Error() string {
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return fmt.Sprintf("group has been linked to %s: %s", e.Resource, e.Name)
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}
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// CheckGroupPermissions validates if a user has the necessary permissions to view groups
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func (am *DefaultAccountManager) CheckGroupPermissions(ctx context.Context, accountID, userID string) error {
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user, err := am.Store.GetUserByUserID(ctx, store.LockingStrengthShare, userID)
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if err != nil {
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return err
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}
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if user.AccountID != accountID {
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return status.NewUserNotPartOfAccountError()
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}
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if user.IsRegularUser() {
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return status.NewAdminPermissionError()
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}
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return nil
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}
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// GetGroup returns a specific group by groupID in an account
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func (am *DefaultAccountManager) GetGroup(ctx context.Context, accountID, groupID, userID string) (*nbgroup.Group, error) {
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if err := am.CheckGroupPermissions(ctx, accountID, userID); err != nil {
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return nil, err
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}
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return am.Store.GetGroupByID(ctx, store.LockingStrengthShare, accountID, groupID)
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}
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// GetAllGroups returns all groups in an account
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func (am *DefaultAccountManager) GetAllGroups(ctx context.Context, accountID, userID string) ([]*nbgroup.Group, error) {
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if err := am.CheckGroupPermissions(ctx, accountID, userID); err != nil {
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return nil, err
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}
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return am.Store.GetAccountGroups(ctx, store.LockingStrengthShare, accountID)
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}
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// GetGroupByName filters all groups in an account by name and returns the one with the most peers
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func (am *DefaultAccountManager) GetGroupByName(ctx context.Context, groupName, accountID string) (*nbgroup.Group, error) {
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return am.Store.GetGroupByName(ctx, store.LockingStrengthShare, accountID, groupName)
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}
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// SaveGroup object of the peers
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func (am *DefaultAccountManager) SaveGroup(ctx context.Context, accountID, userID string, newGroup *nbgroup.Group) error {
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unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
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defer unlock()
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return am.SaveGroups(ctx, accountID, userID, []*nbgroup.Group{newGroup})
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}
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// SaveGroups adds new groups to the account.
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// Note: This function does not acquire the global lock.
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// It is the caller's responsibility to ensure proper locking is in place before invoking this method.
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func (am *DefaultAccountManager) SaveGroups(ctx context.Context, accountID, userID string, groups []*nbgroup.Group) error {
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user, err := am.Store.GetUserByUserID(ctx, store.LockingStrengthShare, userID)
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if err != nil {
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return err
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}
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if user.AccountID != accountID {
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return status.NewUserNotPartOfAccountError()
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}
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if user.IsRegularUser() {
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return status.NewAdminPermissionError()
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}
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var eventsToStore []func()
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var groupsToSave []*nbgroup.Group
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var updateAccountPeers bool
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err = am.Store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
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groupIDs := make([]string, 0, len(groups))
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for _, newGroup := range groups {
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if err = validateNewGroup(ctx, transaction, accountID, newGroup); err != nil {
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return err
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}
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newGroup.AccountID = accountID
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groupsToSave = append(groupsToSave, newGroup)
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groupIDs = append(groupIDs, newGroup.ID)
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events := am.prepareGroupEvents(ctx, transaction, accountID, userID, newGroup)
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eventsToStore = append(eventsToStore, events...)
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}
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updateAccountPeers, err = areGroupChangesAffectPeers(ctx, transaction, accountID, groupIDs)
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if err != nil {
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return err
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}
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if err = transaction.IncrementNetworkSerial(ctx, store.LockingStrengthUpdate, accountID); err != nil {
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return err
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}
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return transaction.SaveGroups(ctx, store.LockingStrengthUpdate, groupsToSave)
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})
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if err != nil {
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return err
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}
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for _, storeEvent := range eventsToStore {
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storeEvent()
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}
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if updateAccountPeers {
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am.updateAccountPeers(ctx, accountID)
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}
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return nil
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}
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// prepareGroupEvents prepares a list of event functions to be stored.
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func (am *DefaultAccountManager) prepareGroupEvents(ctx context.Context, transaction store.Store, accountID, userID string, newGroup *nbgroup.Group) []func() {
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var eventsToStore []func()
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addedPeers := make([]string, 0)
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removedPeers := make([]string, 0)
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oldGroup, err := transaction.GetGroupByID(ctx, store.LockingStrengthShare, accountID, newGroup.ID)
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if err == nil && oldGroup != nil {
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addedPeers = util.Difference(newGroup.Peers, oldGroup.Peers)
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removedPeers = util.Difference(oldGroup.Peers, newGroup.Peers)
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} else {
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addedPeers = append(addedPeers, newGroup.Peers...)
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eventsToStore = append(eventsToStore, func() {
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am.StoreEvent(ctx, userID, newGroup.ID, accountID, activity.GroupCreated, newGroup.EventMeta())
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})
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}
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modifiedPeers := slices.Concat(addedPeers, removedPeers)
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peers, err := transaction.GetPeersByIDs(ctx, store.LockingStrengthShare, accountID, modifiedPeers)
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if err != nil {
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log.WithContext(ctx).Debugf("failed to get peers for group events: %v", err)
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return nil
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}
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for _, peerID := range addedPeers {
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peer, ok := peers[peerID]
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if !ok {
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log.WithContext(ctx).Debugf("skipped adding peer: %s GroupAddedToPeer activity: peer not found in store", peerID)
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continue
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}
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eventsToStore = append(eventsToStore, func() {
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meta := map[string]any{
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"group": newGroup.Name, "group_id": newGroup.ID,
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"peer_ip": peer.IP.String(), "peer_fqdn": peer.FQDN(am.GetDNSDomain()),
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}
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am.StoreEvent(ctx, userID, peer.ID, accountID, activity.GroupAddedToPeer, meta)
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})
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}
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for _, peerID := range removedPeers {
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peer, ok := peers[peerID]
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if !ok {
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log.WithContext(ctx).Debugf("skipped adding peer: %s GroupRemovedFromPeer activity: peer not found in store", peerID)
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continue
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}
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eventsToStore = append(eventsToStore, func() {
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meta := map[string]any{
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"group": newGroup.Name, "group_id": newGroup.ID,
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"peer_ip": peer.IP.String(), "peer_fqdn": peer.FQDN(am.GetDNSDomain()),
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}
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am.StoreEvent(ctx, userID, peer.ID, accountID, activity.GroupRemovedFromPeer, meta)
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})
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}
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return eventsToStore
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}
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// DeleteGroup object of the peers.
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func (am *DefaultAccountManager) DeleteGroup(ctx context.Context, accountID, userID, groupID string) error {
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unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
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defer unlock()
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return am.DeleteGroups(ctx, accountID, userID, []string{groupID})
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}
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// DeleteGroups deletes groups from an account.
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// Note: This function does not acquire the global lock.
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// It is the caller's responsibility to ensure proper locking is in place before invoking this method.
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//
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// If an error occurs while deleting a group, the function skips it and continues deleting other groups.
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// Errors are collected and returned at the end.
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func (am *DefaultAccountManager) DeleteGroups(ctx context.Context, accountID, userID string, groupIDs []string) error {
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user, err := am.Store.GetUserByUserID(ctx, store.LockingStrengthShare, userID)
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if err != nil {
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return err
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}
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if user.AccountID != accountID {
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return status.NewUserNotPartOfAccountError()
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}
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if user.IsRegularUser() {
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return status.NewAdminPermissionError()
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}
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var allErrors error
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var groupIDsToDelete []string
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var deletedGroups []*nbgroup.Group
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err = am.Store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
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for _, groupID := range groupIDs {
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group, err := transaction.GetGroupByID(ctx, store.LockingStrengthUpdate, accountID, groupID)
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if err != nil {
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allErrors = errors.Join(allErrors, err)
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continue
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}
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if err := validateDeleteGroup(ctx, transaction, group, userID); err != nil {
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allErrors = errors.Join(allErrors, err)
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continue
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}
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groupIDsToDelete = append(groupIDsToDelete, groupID)
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deletedGroups = append(deletedGroups, group)
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}
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if err = transaction.IncrementNetworkSerial(ctx, store.LockingStrengthUpdate, accountID); err != nil {
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return err
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}
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return transaction.DeleteGroups(ctx, store.LockingStrengthUpdate, accountID, groupIDsToDelete)
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})
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if err != nil {
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return err
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}
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for _, group := range deletedGroups {
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am.StoreEvent(ctx, userID, group.ID, accountID, activity.GroupDeleted, group.EventMeta())
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}
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return allErrors
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}
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// GroupAddPeer appends peer to the group
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func (am *DefaultAccountManager) GroupAddPeer(ctx context.Context, accountID, groupID, peerID string) error {
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unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
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defer unlock()
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var group *nbgroup.Group
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var updateAccountPeers bool
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var err error
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err = am.Store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
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group, err = transaction.GetGroupByID(context.Background(), store.LockingStrengthUpdate, accountID, groupID)
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if err != nil {
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return err
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}
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if updated := group.AddPeer(peerID); !updated {
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return nil
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}
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updateAccountPeers, err = areGroupChangesAffectPeers(ctx, transaction, accountID, []string{groupID})
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if err != nil {
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return err
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}
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if err = transaction.IncrementNetworkSerial(ctx, store.LockingStrengthUpdate, accountID); err != nil {
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return err
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}
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return transaction.SaveGroup(ctx, store.LockingStrengthUpdate, group)
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})
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if err != nil {
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return err
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}
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if updateAccountPeers {
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am.updateAccountPeers(ctx, accountID)
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}
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return nil
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}
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// GroupDeletePeer removes peer from the group
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func (am *DefaultAccountManager) GroupDeletePeer(ctx context.Context, accountID, groupID, peerID string) error {
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unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
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defer unlock()
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var group *nbgroup.Group
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var updateAccountPeers bool
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var err error
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err = am.Store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
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group, err = transaction.GetGroupByID(context.Background(), store.LockingStrengthUpdate, accountID, groupID)
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if err != nil {
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return err
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}
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if updated := group.RemovePeer(peerID); !updated {
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return nil
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}
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updateAccountPeers, err = areGroupChangesAffectPeers(ctx, transaction, accountID, []string{groupID})
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if err != nil {
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return err
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}
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if err = transaction.IncrementNetworkSerial(ctx, store.LockingStrengthUpdate, accountID); err != nil {
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return err
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}
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return transaction.SaveGroup(ctx, store.LockingStrengthUpdate, group)
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})
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if err != nil {
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return err
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}
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if updateAccountPeers {
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am.updateAccountPeers(ctx, accountID)
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}
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return nil
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}
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// validateNewGroup validates the new group for existence and required fields.
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func validateNewGroup(ctx context.Context, transaction store.Store, accountID string, newGroup *nbgroup.Group) error {
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if newGroup.ID == "" && newGroup.Issued != nbgroup.GroupIssuedAPI {
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return status.Errorf(status.InvalidArgument, "%s group without ID set", newGroup.Issued)
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}
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if newGroup.ID == "" && newGroup.Issued == nbgroup.GroupIssuedAPI {
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existingGroup, err := transaction.GetGroupByName(ctx, store.LockingStrengthShare, accountID, newGroup.Name)
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if err != nil {
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if s, ok := status.FromError(err); !ok || s.Type() != status.NotFound {
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return err
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}
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}
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// Prevent duplicate groups for API-issued groups.
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// Integration or JWT groups can be duplicated as they are coming from the IdP that we don't have control of.
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if existingGroup != nil {
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return status.Errorf(status.AlreadyExists, "group with name %s already exists", newGroup.Name)
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}
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newGroup.ID = xid.New().String()
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}
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for _, peerID := range newGroup.Peers {
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_, err := transaction.GetPeerByID(ctx, store.LockingStrengthShare, accountID, peerID)
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if err != nil {
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return status.Errorf(status.InvalidArgument, "peer with ID \"%s\" not found", peerID)
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}
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}
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return nil
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}
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func validateDeleteGroup(ctx context.Context, transaction store.Store, group *nbgroup.Group, userID string) error {
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// disable a deleting integration group if the initiator is not an admin service user
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if group.Issued == nbgroup.GroupIssuedIntegration {
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executingUser, err := transaction.GetUserByUserID(ctx, store.LockingStrengthShare, userID)
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if err != nil {
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return err
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}
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if executingUser.Role != types.UserRoleAdmin || !executingUser.IsServiceUser {
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return status.Errorf(status.PermissionDenied, "only service users with admin power can delete integration group")
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}
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}
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if group.IsGroupAll() {
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return status.Errorf(status.InvalidArgument, "deleting group ALL is not allowed")
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}
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if isLinked, linkedRoute := isGroupLinkedToRoute(ctx, transaction, group.AccountID, group.ID); isLinked {
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return &GroupLinkError{"route", string(linkedRoute.NetID)}
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}
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if isLinked, linkedDns := isGroupLinkedToDns(ctx, transaction, group.AccountID, group.ID); isLinked {
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return &GroupLinkError{"name server groups", linkedDns.Name}
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}
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if isLinked, linkedPolicy := isGroupLinkedToPolicy(ctx, transaction, group.AccountID, group.ID); isLinked {
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return &GroupLinkError{"policy", linkedPolicy.Name}
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}
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if isLinked, linkedSetupKey := isGroupLinkedToSetupKey(ctx, transaction, group.AccountID, group.ID); isLinked {
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return &GroupLinkError{"setup key", linkedSetupKey.Name}
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}
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if isLinked, linkedUser := isGroupLinkedToUser(ctx, transaction, group.AccountID, group.ID); isLinked {
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return &GroupLinkError{"user", linkedUser.Id}
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}
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return checkGroupLinkedToSettings(ctx, transaction, group)
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}
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// checkGroupLinkedToSettings verifies if a group is linked to any settings in the account.
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func checkGroupLinkedToSettings(ctx context.Context, transaction store.Store, group *nbgroup.Group) error {
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dnsSettings, err := transaction.GetAccountDNSSettings(ctx, store.LockingStrengthShare, group.AccountID)
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if err != nil {
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return err
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}
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if slices.Contains(dnsSettings.DisabledManagementGroups, group.ID) {
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return &GroupLinkError{"disabled DNS management groups", group.Name}
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}
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settings, err := transaction.GetAccountSettings(ctx, store.LockingStrengthShare, group.AccountID)
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if err != nil {
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return err
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}
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if settings.Extra != nil && slices.Contains(settings.Extra.IntegratedValidatorGroups, group.ID) {
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return &GroupLinkError{"integrated validator", group.Name}
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}
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return nil
|
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}
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|
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// isGroupLinkedToRoute checks if a group is linked to any route in the account.
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func isGroupLinkedToRoute(ctx context.Context, transaction store.Store, accountID string, groupID string) (bool, *route.Route) {
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routes, err := transaction.GetAccountRoutes(ctx, store.LockingStrengthShare, accountID)
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if err != nil {
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log.WithContext(ctx).Errorf("error retrieving routes while checking group linkage: %v", err)
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return false, nil
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}
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for _, r := range routes {
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if slices.Contains(r.Groups, groupID) || slices.Contains(r.PeerGroups, groupID) {
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return true, r
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}
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}
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return false, nil
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}
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// isGroupLinkedToPolicy checks if a group is linked to any policy in the account.
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func isGroupLinkedToPolicy(ctx context.Context, transaction store.Store, accountID string, groupID string) (bool, *types.Policy) {
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policies, err := transaction.GetAccountPolicies(ctx, store.LockingStrengthShare, accountID)
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if err != nil {
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log.WithContext(ctx).Errorf("error retrieving policies while checking group linkage: %v", err)
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return false, nil
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}
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for _, policy := range policies {
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for _, rule := range policy.Rules {
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if slices.Contains(rule.Sources, groupID) || slices.Contains(rule.Destinations, groupID) {
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return true, policy
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}
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}
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}
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return false, nil
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}
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|
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// isGroupLinkedToDns checks if a group is linked to any nameserver group in the account.
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func isGroupLinkedToDns(ctx context.Context, transaction store.Store, accountID string, groupID string) (bool, *nbdns.NameServerGroup) {
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nameServerGroups, err := transaction.GetAccountNameServerGroups(ctx, store.LockingStrengthShare, accountID)
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if err != nil {
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log.WithContext(ctx).Errorf("error retrieving name server groups while checking group linkage: %v", err)
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return false, nil
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}
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for _, dns := range nameServerGroups {
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for _, g := range dns.Groups {
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if g == groupID {
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return true, dns
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}
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}
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}
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return false, nil
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}
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|
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// isGroupLinkedToSetupKey checks if a group is linked to any setup key in the account.
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func isGroupLinkedToSetupKey(ctx context.Context, transaction store.Store, accountID string, groupID string) (bool, *types.SetupKey) {
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setupKeys, err := transaction.GetAccountSetupKeys(ctx, store.LockingStrengthShare, accountID)
|
|
if err != nil {
|
|
log.WithContext(ctx).Errorf("error retrieving setup keys while checking group linkage: %v", err)
|
|
return false, nil
|
|
}
|
|
|
|
for _, setupKey := range setupKeys {
|
|
if slices.Contains(setupKey.AutoGroups, groupID) {
|
|
return true, setupKey
|
|
}
|
|
}
|
|
return false, nil
|
|
}
|
|
|
|
// isGroupLinkedToUser checks if a group is linked to any user in the account.
|
|
func isGroupLinkedToUser(ctx context.Context, transaction store.Store, accountID string, groupID string) (bool, *types.User) {
|
|
users, err := transaction.GetAccountUsers(ctx, store.LockingStrengthShare, accountID)
|
|
if err != nil {
|
|
log.WithContext(ctx).Errorf("error retrieving users while checking group linkage: %v", err)
|
|
return false, nil
|
|
}
|
|
|
|
for _, user := range users {
|
|
if slices.Contains(user.AutoGroups, groupID) {
|
|
return true, user
|
|
}
|
|
}
|
|
return false, nil
|
|
}
|
|
|
|
// areGroupChangesAffectPeers checks if any changes to the specified groups will affect peers.
|
|
func areGroupChangesAffectPeers(ctx context.Context, transaction store.Store, accountID string, groupIDs []string) (bool, error) {
|
|
if len(groupIDs) == 0 {
|
|
return false, nil
|
|
}
|
|
|
|
dnsSettings, err := transaction.GetAccountDNSSettings(ctx, store.LockingStrengthShare, accountID)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
for _, groupID := range groupIDs {
|
|
if slices.Contains(dnsSettings.DisabledManagementGroups, groupID) {
|
|
return true, nil
|
|
}
|
|
if linked, _ := isGroupLinkedToDns(ctx, transaction, accountID, groupID); linked {
|
|
return true, nil
|
|
}
|
|
if linked, _ := isGroupLinkedToPolicy(ctx, transaction, accountID, groupID); linked {
|
|
return true, nil
|
|
}
|
|
if linked, _ := isGroupLinkedToRoute(ctx, transaction, accountID, groupID); linked {
|
|
return true, nil
|
|
}
|
|
}
|
|
|
|
return false, nil
|
|
}
|
|
|
|
func (am *DefaultAccountManager) anyGroupHasPeers(account *types.Account, groupIDs []string) bool {
|
|
for _, groupID := range groupIDs {
|
|
if group, exists := account.Groups[groupID]; exists && group.HasPeers() {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// anyGroupHasPeers checks if any of the given groups in the account have peers.
|
|
func anyGroupHasPeers(ctx context.Context, transaction store.Store, accountID string, groupIDs []string) (bool, error) {
|
|
groups, err := transaction.GetGroupsByIDs(ctx, store.LockingStrengthShare, accountID, groupIDs)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
for _, group := range groups {
|
|
if group.HasPeers() {
|
|
return true, nil
|
|
}
|
|
}
|
|
|
|
return false, nil
|
|
}
|