84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package logger
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import (
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"time"
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"github.com/break/junhong_cmp_fiber/pkg/constants"
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"github.com/gofiber/fiber/v2"
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"go.uber.org/zap"
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)
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const (
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// MaxBodyLogSize 限制记录的请求/响应 body 大小为 50KB
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MaxBodyLogSize = 50 * 1024
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)
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// truncateBody 截断 body 到指定大小
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func truncateBody(body []byte, maxSize int) string {
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if len(body) == 0 {
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return ""
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}
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if len(body) <= maxSize {
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return string(body)
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}
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// 超过限制，截断并添加提示
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return string(body[:maxSize]) + "... (truncated)"
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}
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// Middleware 创建 Fiber 日志中间件
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// 记录所有 HTTP 请求到访问日志（包括请求和响应 body）
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func Middleware() fiber.Handler {
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return func(c *fiber.Ctx) error {
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// 记录请求开始时间
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startTime := time.Now()
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c.Locals(constants.ContextKeyStartTime, startTime)
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// 获取请求 body（在 c.Next() 之前读取）
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requestBody := truncateBody(c.Body(), MaxBodyLogSize)
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// 获取 query 参数
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queryParams := string(c.Request().URI().QueryString())
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// 处理请求
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err := c.Next()
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// 计算请求持续时间
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duration := time.Since(startTime)
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// 获取请求 ID（由 requestid 中间件设置）
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requestID := ""
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if rid := c.Locals(constants.ContextKeyRequestID); rid != nil {
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requestID = rid.(string)
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}
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// 获取用户 ID（由 auth 中间件设置）
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userID := ""
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if uid := c.Locals(constants.ContextKeyUserID); uid != nil {
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userID = uid.(string)
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}
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// 获取响应 body
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responseBody := truncateBody(c.Response().Body(), MaxBodyLogSize)
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// 记录访问日志
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accessLogger := GetAccessLogger()
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accessLogger.Info("",
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zap.String("method", c.Method()),
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zap.String("path", c.Path()),
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zap.String("query", queryParams),
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zap.Int("status", c.Response().StatusCode()),
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zap.Float64("duration_ms", float64(duration.Microseconds())/1000.0),
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zap.String("request_id", requestID),
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zap.String("ip", c.IP()),
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zap.String("user_agent", c.Get("User-Agent")),
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zap.String(constants.ContextKeyUserID, userID),
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zap.String("request_body", requestBody),
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zap.String("response_body", responseBody),
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)
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return err
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}
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}
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