QAyong
5b7f173102
* feat(canvas): 参考素材 - 增加移除按钮并删除对应连线 * feat(canvas): 完善节点面板交互与拖拽反馈 * fix(canvas): 画布交互与小地图 - 统一浮层层级并完善节点识别 * feat(prompt-optimizer): 增加 AI 提示词优化器及宿主接入 * feat(canvas): 画布 - 增加自动整理节点按钮并补充文档 * chore(web): 前端 - 修正提示词优化器格式 * chore(backend): 后端 - 修正 Go 格式检查 * feat(workspace): 完善诊断导出与本地排障支持 * chore(web): 格式化诊断导出文件 * fix(web-test): 兼容 Bun 测试运行时 * fix(web-test): 对齐模型目录协议断言
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package handler
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import (
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"crypto/rand"
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"encoding/hex"
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"regexp"
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"strings"
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"github.com/gin-gonic/gin"
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)
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const (
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requestIDHeader = "X-Request-ID"
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traceIDHeader = "X-Canvas-Trace-ID"
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requestIDKey = "canvas.request_id"
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traceIDKey = "canvas.trace_id"
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)
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var correlationIDPattern = regexp.MustCompile(`^[A-Za-z0-9._:-]{1,96}$`)
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// RequestCorrelationMiddleware 为每个请求生成服务端 requestId，并保留一次业务操作的 traceId。
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// requestId 不能被客户端覆盖；traceId 只接受有限字符集，避免把任意请求头内容写入日志和诊断包。
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func RequestCorrelationMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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requestID := newCorrelationID("req")
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traceID := normalizeCorrelationID(c.GetHeader(traceIDHeader))
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if traceID == "" {
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traceID = newCorrelationID("trace")
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}
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c.Set(requestIDKey, requestID)
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c.Set(traceIDKey, traceID)
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c.Header(requestIDHeader, requestID)
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c.Header(traceIDHeader, traceID)
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c.Next()
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}
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}
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func RequestID(c *gin.Context) string {
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if value, ok := c.Get(requestIDKey); ok {
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if result, ok := value.(string); ok {
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return result
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}
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}
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return ""
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}
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func TraceID(c *gin.Context) string {
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if value, ok := c.Get(traceIDKey); ok {
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if result, ok := value.(string); ok {
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return result
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}
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}
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return ""
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}
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func normalizeCorrelationID(value string) string {
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value = strings.TrimSpace(value)
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if !correlationIDPattern.MatchString(value) {
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return ""
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}
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return value
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}
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func newCorrelationID(prefix string) string {
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var raw [12]byte
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if _, err := rand.Read(raw[:]); err != nil {
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return prefix + "-unavailable"
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}
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return prefix + "-" + hex.EncodeToString(raw[:])
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}
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