feat(waf): complete composable rule orchestration

Add the React Flow rule editor, ordered graph APIs and runtime DAG execution.\n\nPublish rules only on OpenResty reload and reconcile checksum-driven IP group snapshots in bounded shared memory.
This commit is contained in:
ryan
2026-07-13 14:16:55 +08:00
parent d36409fbf9
commit a1a997bcda
72 changed files with 5897 additions and 3080 deletions
+79 -24
View File
@@ -4,6 +4,7 @@
package agent
import (
"bytes"
"context"
"crypto/sha256"
"encoding/hex"
@@ -11,43 +12,32 @@ import (
"errors"
"fmt"
"sort"
"strconv"
"strings"
"github.com/Rain-kl/Wavelet/internal/model"
"github.com/Rain-kl/Wavelet/pkg/protocol"
openrestyrender "github.com/Rain-kl/Wavelet/pkg/render/openresty"
)
type snapshotWAFRuleGroupRef struct {
IPWhitelistGroups []uint `json:"ip_whitelist_group_ids,omitempty"`
IPBlacklistGroups []uint `json:"ip_blacklist_group_ids,omitempty"`
}
type snapshotWAFSection struct {
RuleGroups []snapshotWAFRuleGroupRef `json:"rule_groups"`
}
type activeConfigSnapshot struct {
WAF snapshotWAFSection `json:"waf"`
WAF openrestyrender.WAFDocument `json:"waf"`
}
type runtimeIPMatchConfig struct {
IPs []string `json:"ips,omitempty"`
CIDRs []string `json:"cidrs,omitempty"`
IPGroupIDs []uint `json:"ip_group_ids,omitempty"`
}
// WAFIPGroupsForAgent builds agent-facing WAF IP group payloads for the given ids.
func WAFIPGroupsForAgent(ctx context.Context, ids []uint) ([]WAFIPGroup, error) {
return buildAgentWAFIPGroups(ctx, ids)
return validatedAgentWAFIPGroups(ctx, ids, false)
}
// ChangedWAFIPGroupsForAgent returns WAF IP groups whose checksums differ from the agent state.
func ChangedWAFIPGroupsForAgent(ctx context.Context, ids []uint, checksums map[string]string) ([]WAFIPGroup, error) {
targetIDs := uniqueUintIDs(ids)
if len(targetIDs) == 0 {
activeIDs, err := activeConfigWAFIPGroupIDs(ctx)
if err != nil {
return nil, err
}
targetIDs = activeIDs
}
if len(targetIDs) == 0 {
return []WAFIPGroup{}, nil
}
groups, err := buildAgentWAFIPGroups(ctx, targetIDs)
groups, err := validatedAgentWAFIPGroups(ctx, ids, true)
if err != nil {
return nil, err
}
@@ -61,6 +51,45 @@ func ChangedWAFIPGroupsForAgent(ctx context.Context, ids []uint, checksums map[s
return changed, nil
}
func validatedAgentWAFIPGroups(ctx context.Context, ids []uint, fallbackToActive bool) ([]WAFIPGroup, error) {
targetIDs := uniqueUintIDs(ids)
activeIDs, err := activeConfigWAFIPGroupIDs(ctx)
if err != nil {
return nil, err
}
if len(targetIDs) == 0 && fallbackToActive {
targetIDs = activeIDs
}
if len(targetIDs) == 0 {
return []WAFIPGroup{}, nil
}
validationIDs := uniqueUintIDs(append(append([]uint{}, activeIDs...), targetIDs...))
allGroups, err := buildAgentWAFIPGroups(ctx, validationIDs)
if err != nil {
return nil, err
}
runtimeGroups := make(map[string]protocol.WAFIPGroup, len(allGroups))
for _, group := range allGroups {
runtimeGroups[strconv.FormatUint(uint64(group.ID), 10)] = group
}
if err = protocol.ValidateWAFIPGroupSnapshotSize(runtimeGroups); err != nil {
return nil, err
}
targetSet := make(map[uint]struct{}, len(targetIDs))
for _, id := range targetIDs {
targetSet[id] = struct{}{}
}
result := make([]WAFIPGroup, 0, len(targetIDs))
for _, group := range allGroups {
if _, ok := targetSet[group.ID]; ok {
result = append(result, group)
}
}
return result, nil
}
func buildAgentWAFIPGroups(ctx context.Context, ids []uint) ([]WAFIPGroup, error) {
ids = uniqueUintIDs(ids)
if len(ids) == 0 {
@@ -142,6 +171,8 @@ func activeConfigWAFIPGroupIDs(ctx context.Context) ([]uint, error) {
}
idSet := make(map[uint]struct{})
for _, group := range snapshot.WAF.RuleGroups {
// Retain legacy flattened references while older active snapshots may
// still exist during a rolling Server upgrade.
for _, id := range group.IPWhitelistGroups {
if id > 0 {
idSet[id] = struct{}{}
@@ -152,6 +183,20 @@ func activeConfigWAFIPGroupIDs(ctx context.Context) ([]uint, error) {
idSet[id] = struct{}{}
}
}
for nodeID, node := range group.Graph.Nodes {
if node.Type != "ip_match" {
continue
}
ids, err := runtimeIPMatchGroupIDs(node.Config)
if err != nil {
return nil, fmt.Errorf("活动配置 WAF 规则 %d 节点 %s 的 IP 匹配配置无效: %w", group.ID, nodeID, err)
}
for _, id := range ids {
if id > 0 {
idSet[id] = struct{}{}
}
}
}
}
ids := make([]uint, 0, len(idSet))
for id := range idSet {
@@ -161,6 +206,16 @@ func activeConfigWAFIPGroupIDs(ctx context.Context) ([]uint, error) {
return ids, nil
}
func runtimeIPMatchGroupIDs(raw json.RawMessage) ([]uint, error) {
var config runtimeIPMatchConfig
decoder := json.NewDecoder(bytes.NewReader(raw))
decoder.DisallowUnknownFields()
if err := decoder.Decode(&config); err != nil {
return nil, err
}
return config.IPGroupIDs, nil
}
func parseActiveConfigSnapshot(snapshotJSON string) (*activeConfigSnapshot, error) {
text := strings.TrimSpace(snapshotJSON)
if text == "" {
@@ -171,7 +226,7 @@ func parseActiveConfigSnapshot(snapshotJSON string) (*activeConfigSnapshot, erro
return nil, err
}
if snapshot.WAF.RuleGroups == nil {
snapshot.WAF.RuleGroups = []snapshotWAFRuleGroupRef{}
snapshot.WAF.RuleGroups = []openrestyrender.WAFRuleGroup{}
}
return &snapshot, nil
}