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a6b4306d08
Add request ID middleware to trace requests through the system. The middleware checks for existing X-Request-ID headers, generates a new UUID if not present, and sets the ID in both request/response headers and Gin context.
36 lines
769 B
Go
36 lines
769 B
Go
package middleware
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import (
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"crypto/rand"
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"encoding/hex"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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)
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// RequestID ensures every request has an X-Request-ID and echoes it back to the client.
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func RequestID() gin.HandlerFunc {
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return func(c *gin.Context) {
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id := strings.TrimSpace(c.GetHeader("X-Request-ID"))
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if id == "" {
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id = strings.TrimSpace(c.GetHeader("X-Request-Id"))
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}
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if id == "" {
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id = newRequestID()
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}
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c.Request.Header.Set("X-Request-ID", id)
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c.Writer.Header().Set("X-Request-ID", id)
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c.Set("request_id", id)
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c.Next()
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}
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}
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func newRequestID() string {
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var b [16]byte
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if _, err := rand.Read(b[:]); err != nil {
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return hex.EncodeToString([]byte(time.Now().Format(time.RFC3339Nano)))
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}
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return hex.EncodeToString(b[:])
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}
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