netbird/management/server/rule.go
Givi Khojanashvili 3ce3ccc39a
Add rules for ACL (#306)
Add rules HTTP endpoint for frontend - CRUD operations.
Add Default rule - allow all.
Send network map to peers based on rules.
2022-05-21 15:21:39 +02:00

108 lines
2.3 KiB
Go

package server
import (
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// TrafficFlowType defines allowed direction of the traffic in the rule
type TrafficFlowType int
const (
// TrafficFlowBidirect allows traffic to both direction
TrafficFlowBidirect TrafficFlowType = iota
)
// Rule of ACL for groups
type Rule struct {
// ID of the rule
ID string
// Name of the rule visible in the UI
Name string
// Source list of groups IDs of peers
Source []string
// Destination list of groups IDs of peers
Destination []string
// Flow of the traffic allowed by the rule
Flow TrafficFlowType
}
func (r *Rule) Copy() *Rule {
return &Rule{
ID: r.ID,
Name: r.Name,
Source: r.Source[:],
Destination: r.Destination[:],
Flow: r.Flow,
}
}
// GetRule of ACL from the store
func (am *DefaultAccountManager) GetRule(accountID, ruleID string) (*Rule, error) {
am.mux.Lock()
defer am.mux.Unlock()
account, err := am.Store.GetAccount(accountID)
if err != nil {
return nil, status.Errorf(codes.NotFound, "account not found")
}
rule, ok := account.Rules[ruleID]
if ok {
return rule, nil
}
return nil, status.Errorf(codes.NotFound, "rule with ID %s not found", ruleID)
}
// SaveRule of ACL in the store
func (am *DefaultAccountManager) SaveRule(accountID string, rule *Rule) error {
am.mux.Lock()
defer am.mux.Unlock()
account, err := am.Store.GetAccount(accountID)
if err != nil {
return status.Errorf(codes.NotFound, "account not found")
}
account.Rules[rule.ID] = rule
return am.Store.SaveAccount(account)
}
// DeleteRule of ACL from the store
func (am *DefaultAccountManager) DeleteRule(accountID, ruleID string) error {
am.mux.Lock()
defer am.mux.Unlock()
account, err := am.Store.GetAccount(accountID)
if err != nil {
return status.Errorf(codes.NotFound, "account not found")
}
delete(account.Rules, ruleID)
return am.Store.SaveAccount(account)
}
// ListRules of ACL from the store
func (am *DefaultAccountManager) ListRules(accountID string) ([]*Rule, error) {
am.mux.Lock()
defer am.mux.Unlock()
account, err := am.Store.GetAccount(accountID)
if err != nil {
return nil, status.Errorf(codes.NotFound, "account not found")
}
rules := make([]*Rule, 0, len(account.Rules))
for _, item := range account.Rules {
rules = append(rules, item)
}
return rules, nil
}