Add files via upload

internal/handler/audit.go

@@ -0,0 +1,147 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"cyberstrike-ai/internal/audit"
+	"cyberstrike-ai/internal/database"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+// AuditHandler serves platform audit log APIs.
+type AuditHandler struct {
+	db     *database.DB
+	audit  *audit.Service
+	logger *zap.Logger
+}
+
+// NewAuditHandler creates an audit log handler.
+func NewAuditHandler(db *database.DB, auditSvc *audit.Service, logger *zap.Logger) *AuditHandler {
+	return &AuditHandler{db: db, audit: auditSvc, logger: logger}
+}
+
+// Meta GET /api/audit/meta
+func (h *AuditHandler) Meta(c *gin.Context) {
+	enabled := false
+	retentionDays := 0
+	if h.audit != nil {
+		enabled = h.audit.Enabled()
+		retentionDays = h.audit.RetentionDays()
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"enabled":        enabled,
+		"retention_days": retentionDays,
+		"default_page_size": 20,
+		"max_page_size":     100,
+		"max_export":        5000,
+	})
+}
+
+// Summary GET /api/audit/summary
+func (h *AuditHandler) Summary(c *gin.Context) {
+	if h.db == nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "database unavailable"})
+		return
+	}
+	base := auditFilterFromQuery(c)
+	total, err := h.db.CountAuditLogs(base)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	failFilter := base
+	failFilter.Result = "failure"
+	failures, err := h.db.CountAuditLogs(failFilter)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	since := time.Now().AddDate(0, 0, -7)
+	recentFilter := base
+	recentFilter.Since = &since
+	recent7d, err := h.db.CountAuditLogs(recentFilter)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"total":       total,
+		"failures":    failures,
+		"recent_7d":   recent7d,
+		"has_filters": c.Query("category") != "" || c.Query("action") != "" || c.Query("result") != "" ||
+			c.Query("q") != "" || c.Query("since") != "" || c.Query("until") != "",
+	})
+}
+
+// ListLogs GET /api/audit/logs
+func (h *AuditHandler) ListLogs(c *gin.Context) {
+	if h.db == nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "database unavailable"})
+		return
+	}
+	filter := auditFilterFromQuery(c)
+	page, pageSize := auditPaginationFromQuery(c)
+	filter.Limit = pageSize
+	filter.Offset = (page - 1) * pageSize
+
+	logs, err := h.db.ListAuditLogs(filter)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	total, err := h.db.CountAuditLogs(filter)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"logs":      logs,
+		"total":     total,
+		"page":      page,
+		"page_size": pageSize,
+	})
+}
+
+// GetLog GET /api/audit/logs/:id
+func (h *AuditHandler) GetLog(c *gin.Context) {
+	if h.db == nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "database unavailable"})
+		return
+	}
+	row, err := h.db.GetAuditLogByID(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "审计记录不存在"})
+		return
+	}
+	audit.ApplyResourceAvailability(h.db, row)
+	c.JSON(http.StatusOK, gin.H{"log": row})
+}
+
+// ExportLogs GET /api/audit/logs/export — JSON or CSV (?format=csv), max 5000 rows.
+func (h *AuditHandler) ExportLogs(c *gin.Context) {
+	if h.db == nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "database unavailable"})
+		return
+	}
+	filter := auditFilterFromQuery(c)
+	filter.Limit = 5000
+	filter.Offset = 0
+
+	logs, err := h.db.ListAuditLogs(filter)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	if c.Query("format") == "csv" {
+		writeAuditLogsCSV(c, logs)
+		return
+	}
+	c.Header("Content-Disposition", `attachment; filename="audit-logs.json"`)
+	c.JSON(http.StatusOK, gin.H{
+		"exported_at": time.Now().UTC().Format(time.RFC3339),
+		"logs":        logs,
+	})
+}