mirror of
https://github.com/Ed1s0nZ/CyberStrikeAI.git
synced 2026-07-08 05:27:55 +02:00
公明
558 lines
20 KiB
Go
558 lines
20 KiB
Go
package handler
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"sync"
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"time"
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"cyberstrike-ai/internal/config"
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"cyberstrike-ai/internal/mcp"
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"cyberstrike-ai/internal/multiagent"
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"github.com/gin-gonic/gin"
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"go.uber.org/zap"
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)
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// MultiAgentLoopStream Eino DeepAgent 流式对话（需 config.multi_agent.enabled）。
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func (h *AgentHandler) MultiAgentLoopStream(c *gin.Context) {
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c.Header("Content-Type", "text/event-stream; charset=utf-8")
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c.Header("Cache-Control", "no-cache")
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c.Header("Connection", "keep-alive")
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if h.config == nil || !h.config.MultiAgent.Enabled {
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ev := StreamEvent{Type: "error", Message: "多代理未启用，请在设置或 config.yaml 中开启 multi_agent.enabled"}
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b, _ := json.Marshal(ev)
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fmt.Fprintf(c.Writer, "data: %s\n\n", b)
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done := StreamEvent{Type: "done", Message: ""}
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db, _ := json.Marshal(done)
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fmt.Fprintf(c.Writer, "data: %s\n\n", db)
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if flusher, ok := c.Writer.(http.Flusher); ok {
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flusher.Flush()
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}
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return
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}
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var req ChatRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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event := StreamEvent{Type: "error", Message: "请求参数错误: " + err.Error()}
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b, _ := json.Marshal(event)
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fmt.Fprintf(c.Writer, "data: %s\n\n", b)
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done := StreamEvent{Type: "done", Message: ""}
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db, _ := json.Marshal(done)
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fmt.Fprintf(c.Writer, "data: %s\n\n", db)
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c.Writer.Flush()
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return
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}
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c.Header("X-Accel-Buffering", "no")
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// 用于在 sendEvent 中判断是否为用户主动停止导致的取消。
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// 注意：baseCtx 会在后面创建；该变量用于闭包提前捕获引用。
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var baseCtx context.Context
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clientDisconnected := false
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// 与 sseKeepalive 共用：禁止并发写 ResponseWriter，否则会破坏 chunked 编码（ERR_INVALID_CHUNKED_ENCODING）。
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var sseWriteMu sync.Mutex
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var ssePublishConversationID string
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sendEvent := func(eventType, message string, data interface{}) {
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// 用户主动停止时，Eino 可能仍会并发上报 eventType=="error"。
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// 为避免 UI 看到“取消错误 + cancelled 文案”两条回复，这里直接丢弃取消对应的 error。
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if eventType == "error" && baseCtx != nil {
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cause := context.Cause(baseCtx)
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if errors.Is(cause, ErrTaskCancelled) || errors.Is(cause, multiagent.ErrInterruptContinue) {
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return
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}
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}
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ev := StreamEvent{Type: eventType, Message: message, Data: data}
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b, errMarshal := json.Marshal(ev)
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if errMarshal != nil {
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b = []byte(`{"type":"error","message":"marshal failed"}`)
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}
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sseLine := make([]byte, 0, len(b)+8)
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sseLine = append(sseLine, []byte("data: ")...)
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sseLine = append(sseLine, b...)
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sseLine = append(sseLine, '\n', '\n')
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if ssePublishConversationID != "" && h.taskEventBus != nil {
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h.taskEventBus.Publish(ssePublishConversationID, sseLine)
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}
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if clientDisconnected {
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return
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}
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select {
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case <-c.Request.Context().Done():
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clientDisconnected = true
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return
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default:
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}
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sseWriteMu.Lock()
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_, err := c.Writer.Write(sseLine)
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if err != nil {
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sseWriteMu.Unlock()
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clientDisconnected = true
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return
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}
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if flusher, ok := c.Writer.(http.Flusher); ok {
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flusher.Flush()
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} else {
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c.Writer.Flush()
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}
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sseWriteMu.Unlock()
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}
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h.logger.Info("收到 Eino DeepAgent 流式请求",
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zap.String("conversationId", req.ConversationID),
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)
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prep, err := h.prepareMultiAgentSession(&req, c, "multi_agent_stream")
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if err != nil {
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sendEvent("error", err.Error(), nil)
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sendEvent("done", "", nil)
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return
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}
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ssePublishConversationID = prep.ConversationID
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if prep.CreatedNew {
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sendEvent("conversation", "会话已创建", map[string]interface{}{
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"conversationId": prep.ConversationID,
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})
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}
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conversationID := prep.ConversationID
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assistantMessageID := prep.AssistantMessageID
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h.activateHITLForConversation(conversationID, req.Hitl)
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if h.hitlManager != nil {
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defer h.hitlManager.DeactivateConversation(conversationID)
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}
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if prep.UserMessageID != "" {
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sendEvent("message_saved", "", map[string]interface{}{
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"conversationId": conversationID,
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"userMessageId": prep.UserMessageID,
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})
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}
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if h.runRoleWorkflowStreamIfBound(&req, prep, sendEvent) {
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return
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}
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var cancelWithCause context.CancelCauseFunc
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curFinalMessage := prep.FinalMessage
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curHistory := prep.History
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roleTools := prep.RoleTools
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orch := strings.TrimSpace(req.Orchestration)
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taskStatus := "completed"
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// 仅在成功 StartTask 后再 FinishTask；避免「任务已存在」分支 return 时误删正在运行的同会话任务。
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taskOwned := false
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defer func() {
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if taskOwned {
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h.tasks.FinishTask(conversationID, taskStatus)
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}
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}()
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sendEvent("progress", "正在启动 Eino 多代理...", map[string]interface{}{
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"conversationId": conversationID,
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})
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stopKeepalive := make(chan struct{})
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go sseKeepalive(c, stopKeepalive, &sseWriteMu)
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defer close(stopKeepalive)
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var result *multiagent.RunResult
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var runErr error
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baseCtx, cancelWithCause = context.WithCancelCause(context.Background())
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taskCtx, timeoutCancel := context.WithTimeout(baseCtx, 600*time.Minute)
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if _, err := h.tasks.StartTask(conversationID, req.Message, cancelWithCause); err != nil {
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var errorMsg string
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if errors.Is(err, ErrTaskAlreadyRunning) {
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errorMsg = "⚠️ 当前会话已有任务正在执行中，请等待当前任务完成或点击「停止任务」后再尝试。"
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sendEvent("error", errorMsg, map[string]interface{}{
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"conversationId": conversationID,
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"errorType": "task_already_running",
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})
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} else {
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errorMsg = "❌ 无法启动任务: " + err.Error()
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sendEvent("error", errorMsg, nil)
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}
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if assistantMessageID != "" {
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_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", errorMsg, time.Now(), assistantMessageID)
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}
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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timeoutCancel()
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return
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}
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taskOwned = true
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// 同一 HTTP 流内多段 Run（如中断并继续）合并 MCP execution id，供最终 response / 库表与工具芯片展示完整列表
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var cumulativeMCPExecutionIDs []string
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// 同一请求内分段续跑时，主代理 iteration 事件按偏移累计，避免 UI 出现「第3轮 → 第1轮」回跳。
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var mainIterationOffset int
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var emptyResponseContinueAttempt int
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for {
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segmentMainIterationMax := 0
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rawProgressCallback := h.createProgressCallback(taskCtx, cancelWithCause, conversationID, assistantMessageID, sendEvent)
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progressCallback := func(eventType, message string, data interface{}) {
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if eventType == "iteration" {
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if m, ok := data.(map[string]interface{}); ok {
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if scope, _ := m["einoScope"].(string); scope == "main" {
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raw := 0
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switch v := m["iteration"].(type) {
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case int:
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raw = v
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case int32:
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raw = int(v)
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case int64:
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raw = int(v)
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case float64:
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raw = int(v)
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case float32:
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raw = int(v)
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}
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if raw > 0 {
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if raw > segmentMainIterationMax {
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segmentMainIterationMax = raw
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}
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m["iteration"] = raw + mainIterationOffset
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}
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}
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}
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}
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rawProgressCallback(eventType, message, data)
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}
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taskCtxLoop := mcp.WithMCPConversationID(taskCtx, conversationID)
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taskCtxLoop = mcp.WithToolRunRegistry(taskCtxLoop, h.tasks)
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taskCtxLoop = mcp.WithEinoExecuteRunRegistry(taskCtxLoop, h.tasks)
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taskCtxLoop = multiagent.WithHITLToolInterceptor(taskCtxLoop, func(ctx context.Context, toolName, arguments string) (string, error) {
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return h.interceptHITLForEinoTool(ctx, cancelWithCause, conversationID, assistantMessageID, sendEvent, toolName, arguments)
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})
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result, runErr = multiagent.RunDeepAgent(
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taskCtxLoop,
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h.config,
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&h.config.MultiAgent,
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h.agent,
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h.db,
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h.logger,
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conversationID,
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h.conversationProjectID(conversationID),
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curFinalMessage,
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curHistory,
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roleTools,
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progressCallback,
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h.agentsMarkdownDir,
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orch,
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chatReasoningToClientIntent(req.Reasoning),
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h.agentSessionContextBlock(conversationID),
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)
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if result != nil && len(result.MCPExecutionIDs) > 0 {
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cumulativeMCPExecutionIDs = mergeMCPExecutionIDLists(cumulativeMCPExecutionIDs, result.MCPExecutionIDs)
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}
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if runErr == nil {
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mw := &h.config.MultiAgent.EinoMiddleware
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if h.tryContinueOnEinoEmptyResponse(taskCtx, mw, conversationID, result, &emptyResponseContinueAttempt, &curHistory, &curFinalMessage, progressCallback) {
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mainIterationOffset += segmentMainIterationMax
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timeoutCancel()
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baseCtx, cancelWithCause, taskCtx, timeoutCancel = h.rebindEinoRunningTask(conversationID, timeoutCancel)
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continue
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}
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timeoutCancel()
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break
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}
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cause := context.Cause(baseCtx)
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if errors.Is(cause, multiagent.ErrInterruptContinue) {
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if shouldPersistEinoAgentTraceAfterRunError(baseCtx) {
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h.persistEinoAgentTraceForResume(conversationID, result)
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}
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note := h.tasks.TakeInterruptContinueNote(conversationID)
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icSummary := interruptContinueTimelineSummary(note)
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progressCallback("user_interrupt_continue", icSummary, map[string]interface{}{
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"conversationId": conversationID,
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"rawReason": strings.TrimSpace(note),
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"emptyReason": strings.TrimSpace(note) == "",
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"kind": "no_active_mcp_tool",
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})
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inject := formatInterruptContinueUserMessage(note)
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// 不写入 messages 表为 user 气泡：避免主对话流出现大段模板；说明已由 user_interrupt_continue 记入助手 process_details（迭代详情）。
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if hist, err := h.loadHistoryFromAgentTrace(conversationID); err == nil && len(hist) > 0 {
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curHistory = hist
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}
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curFinalMessage = inject
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sendEvent("progress", "已合并用户补充与最新轨迹，正在继续推理…", map[string]interface{}{
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"conversationId": conversationID,
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"source": "interrupt_continue",
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})
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mainIterationOffset += segmentMainIterationMax
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timeoutCancel()
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baseCtx, cancelWithCause = context.WithCancelCause(context.Background())
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h.tasks.BindTaskCancel(conversationID, cancelWithCause)
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taskCtx, timeoutCancel = context.WithTimeout(baseCtx, 600*time.Minute)
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h.tasks.UpdateTaskStatus(conversationID, "running")
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continue
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}
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if shouldPersistEinoAgentTraceAfterRunError(baseCtx) {
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h.persistEinoAgentTraceForResume(conversationID, result)
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}
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if errors.Is(cause, ErrTaskCancelled) {
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taskStatus = "cancelled"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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cancelMsg := "任务已被用户取消，后续操作已停止。"
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if assistantMessageID != "" {
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if result != nil {
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if err := h.mergeAssistantMessagePartialOnCancel(assistantMessageID, result.Response); err != nil {
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h.logger.Warn("合并取消前的部分回复失败", zap.Error(err))
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}
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}
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if err := h.appendAssistantMessageNotice(assistantMessageID, cancelMsg); err != nil {
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h.logger.Warn("更新取消后的助手消息失败", zap.Error(err))
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}
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_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "cancelled", cancelMsg, nil)
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}
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sendEvent("cancelled", cancelMsg, map[string]interface{}{
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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timeoutCancel()
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return
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}
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if errors.Is(runErr, context.DeadlineExceeded) || errors.Is(context.Cause(taskCtx), context.DeadlineExceeded) {
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taskStatus = "timeout"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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timeoutMsg := "任务执行超时，已自动终止。"
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if assistantMessageID != "" {
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_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", timeoutMsg, time.Now(), assistantMessageID)
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_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "timeout", timeoutMsg, nil)
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}
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sendEvent("error", timeoutMsg, map[string]interface{}{
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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"errorType": "timeout",
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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timeoutCancel()
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return
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}
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h.logger.Error("Eino DeepAgent 执行失败", zap.Error(runErr))
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taskStatus = "failed"
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h.tasks.UpdateTaskStatus(conversationID, taskStatus)
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errMsg := "执行失败: " + runErr.Error()
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if assistantMessageID != "" {
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_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", errMsg, time.Now(), assistantMessageID)
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_ = h.db.AddProcessDetail(assistantMessageID, conversationID, "error", errMsg, nil)
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}
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sendEvent("error", errMsg, map[string]interface{}{
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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timeoutCancel()
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return
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}
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timeoutCancel()
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if assistantMessageID != "" {
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_ = h.db.UpdateAssistantMessageFinalize(assistantMessageID, result.Response, cumulativeMCPExecutionIDs, multiagent.AggregatedReasoningFromTraceJSON(result.LastAgentTraceInput))
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}
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if result.LastAgentTraceInput != "" || result.LastAgentTraceOutput != "" {
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if err := h.db.SaveAgentTrace(conversationID, result.LastAgentTraceInput, result.LastAgentTraceOutput); err != nil {
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h.logger.Warn("保存代理轨迹失败", zap.Error(err))
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}
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}
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effectiveOrch := config.NormalizeMultiAgentOrchestration(h.config.MultiAgent.Orchestration)
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if o := strings.TrimSpace(req.Orchestration); o != "" {
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effectiveOrch = config.NormalizeMultiAgentOrchestration(o)
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}
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sendEvent("response", result.Response, map[string]interface{}{
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"mcpExecutionIds": cumulativeMCPExecutionIDs,
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"conversationId": conversationID,
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"messageId": assistantMessageID,
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"agentMode": "eino_" + effectiveOrch,
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})
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sendEvent("done", "", map[string]interface{}{"conversationId": conversationID})
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}
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// MultiAgentLoop Eino DeepAgent 非流式对话（需 multi_agent.enabled）。
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func (h *AgentHandler) MultiAgentLoop(c *gin.Context) {
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if h.config == nil || !h.config.MultiAgent.Enabled {
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c.JSON(http.StatusNotFound, gin.H{"error": "多代理未启用，请在 config.yaml 中设置 multi_agent.enabled: true"})
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return
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}
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var req ChatRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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h.logger.Info("收到 Eino DeepAgent 非流式请求", zap.String("conversationId", req.ConversationID))
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prep, err := h.prepareMultiAgentSession(&req, c, "multi_agent")
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if err != nil {
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status, msg := multiAgentHTTPErrorStatus(err)
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c.JSON(status, gin.H{"error": msg})
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return
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}
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h.activateHITLForConversation(prep.ConversationID, req.Hitl)
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if h.hitlManager != nil {
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defer h.hitlManager.DeactivateConversation(prep.ConversationID)
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}
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if h.runRoleWorkflowJSONIfBound(c, &req, prep) {
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return
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}
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baseCtx, cancelWithCause := context.WithCancelCause(c.Request.Context())
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defer cancelWithCause(nil)
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taskCtx, timeoutCancel := context.WithTimeout(baseCtx, 600*time.Minute)
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defer timeoutCancel()
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progressCallback := h.createProgressCallback(taskCtx, cancelWithCause, prep.ConversationID, prep.AssistantMessageID, nil)
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taskCtx = multiagent.WithHITLToolInterceptor(taskCtx, func(ctx context.Context, toolName, arguments string) (string, error) {
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return h.interceptHITLForEinoTool(ctx, cancelWithCause, prep.ConversationID, prep.AssistantMessageID, nil, toolName, arguments)
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})
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curHist := prep.History
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curMsg := prep.FinalMessage
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var result *multiagent.RunResult
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var runErr error
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for {
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result, runErr = multiagent.RunDeepAgent(
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taskCtx,
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h.config,
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&h.config.MultiAgent,
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h.agent,
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h.db,
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h.logger,
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prep.ConversationID,
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h.conversationProjectID(prep.ConversationID),
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curMsg,
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curHist,
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prep.RoleTools,
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progressCallback,
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h.agentsMarkdownDir,
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strings.TrimSpace(req.Orchestration),
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chatReasoningToClientIntent(req.Reasoning),
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h.agentSessionContextBlock(prep.ConversationID),
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)
|
||
if runErr == nil {
|
||
break
|
||
}
|
||
if shouldPersistEinoAgentTraceAfterRunError(baseCtx) {
|
||
h.persistEinoAgentTraceForResume(prep.ConversationID, result)
|
||
}
|
||
h.logger.Error("Eino DeepAgent 执行失败", zap.Error(runErr))
|
||
errMsg := "执行失败: " + runErr.Error()
|
||
if prep.AssistantMessageID != "" {
|
||
_, _ = h.db.Exec("UPDATE messages SET content = ?, updated_at = ? WHERE id = ?", errMsg, time.Now(), prep.AssistantMessageID)
|
||
}
|
||
c.JSON(http.StatusInternalServerError, gin.H{"error": errMsg})
|
||
return
|
||
}
|
||
|
||
if prep.AssistantMessageID != "" {
|
||
_ = h.db.UpdateAssistantMessageFinalize(prep.AssistantMessageID, result.Response, result.MCPExecutionIDs, multiagent.AggregatedReasoningFromTraceJSON(result.LastAgentTraceInput))
|
||
}
|
||
|
||
if result.LastAgentTraceInput != "" || result.LastAgentTraceOutput != "" {
|
||
if err := h.db.SaveAgentTrace(prep.ConversationID, result.LastAgentTraceInput, result.LastAgentTraceOutput); err != nil {
|
||
h.logger.Warn("保存代理轨迹失败", zap.Error(err))
|
||
}
|
||
}
|
||
|
||
c.JSON(http.StatusOK, ChatResponse{
|
||
Response: result.Response,
|
||
MCPExecutionIDs: result.MCPExecutionIDs,
|
||
ConversationID: prep.ConversationID,
|
||
Time: time.Now(),
|
||
})
|
||
}
|
||
|
||
// persistEinoAgentTraceForResume 在 Eino 运行异常结束时写入代理轨迹（库列 last_react_*），供下一请求 loadHistoryFromAgentTrace 软续跑。
|
||
func (h *AgentHandler) persistEinoAgentTraceForResume(conversationID string, result *multiagent.RunResult) {
|
||
if h == nil || result == nil {
|
||
return
|
||
}
|
||
if result.LastAgentTraceInput == "" && result.LastAgentTraceOutput == "" {
|
||
return
|
||
}
|
||
if err := h.db.SaveAgentTrace(conversationID, result.LastAgentTraceInput, result.LastAgentTraceOutput); err != nil {
|
||
h.logger.Warn("保存 Eino 续跑上下文失败", zap.String("conversationId", conversationID), zap.Error(err))
|
||
}
|
||
}
|
||
|
||
// mergeMCPExecutionIDLists 去重合并多段 Run 的 MCP execution id（顺序：先 dst 后 more）。
|
||
func mergeMCPExecutionIDLists(dst []string, more []string) []string {
|
||
seen := make(map[string]struct{}, len(dst)+len(more))
|
||
out := make([]string, 0, len(dst)+len(more))
|
||
add := func(ids []string) {
|
||
for _, id := range ids {
|
||
id = strings.TrimSpace(id)
|
||
if id == "" {
|
||
continue
|
||
}
|
||
if _, ok := seen[id]; ok {
|
||
continue
|
||
}
|
||
seen[id] = struct{}{}
|
||
out = append(out, id)
|
||
}
|
||
}
|
||
add(dst)
|
||
add(more)
|
||
return out
|
||
}
|
||
|
||
// interruptContinueTimelineSummary 时间线 / process_details 中展示的简短正文（完整模板已写入另一条用户消息）。
|
||
func interruptContinueTimelineSummary(note string) string {
|
||
note = strings.TrimSpace(note)
|
||
if note == "" {
|
||
return "用户选择「中断并继续」，未填写说明；已按默认渗透补充模板合并上下文并续跑。"
|
||
}
|
||
return "用户中断说明（原文）：\n\n" + note
|
||
}
|
||
|
||
// formatInterruptContinueUserMessage 将「中断并继续」弹窗中的说明格式化为新一轮 user 消息（渗透场景下强调路径补充与端口复扫）。
|
||
func formatInterruptContinueUserMessage(note string) string {
|
||
var b strings.Builder
|
||
b.WriteString("【用户补充 / 中断后继续】\n")
|
||
if s := strings.TrimSpace(note); s != "" {
|
||
b.WriteString(s)
|
||
b.WriteString("\n\n")
|
||
}
|
||
b.WriteString("【请在本轮落实】\n")
|
||
b.WriteString("- 将用户提供的接口路径、参数、业务变化纳入后续测试与推理。\n")
|
||
b.WriteString("- 若资产或目标信息有更新，请对目标重新执行端口/服务探测，再基于新结果规划下一步。\n")
|
||
b.WriteString("- 在已有轨迹基础上推进，避免无意义重复已完成的步骤。\n")
|
||
return strings.TrimSpace(b.String())
|
||
}
|
||
|
||
func multiAgentHTTPErrorStatus(err error) (int, string) {
|
||
msg := err.Error()
|
||
switch {
|
||
case strings.Contains(msg, "对话不存在"):
|
||
return http.StatusNotFound, msg
|
||
case strings.Contains(msg, "未找到该 WebShell"):
|
||
return http.StatusBadRequest, msg
|
||
case strings.Contains(msg, "附件最多"):
|
||
return http.StatusBadRequest, msg
|
||
case strings.Contains(msg, "保存用户消息失败"), strings.Contains(msg, "创建对话失败"):
|
||
return http.StatusInternalServerError, msg
|
||
case strings.Contains(msg, "保存上传文件失败"):
|
||
return http.StatusInternalServerError, msg
|
||
default:
|
||
return http.StatusBadRequest, msg
|
||
}
|
||
}
|