31 lines
491 B
Go
31 lines
491 B
Go
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package middleware
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import (
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"crypto/rand"
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"encoding/hex"
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"github.com/gin-gonic/gin"
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)
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const RequestIDKey = "X-Request-ID"
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func newRequestID() string {
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b := make([]byte, 16)
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if _, err := rand.Read(b); err != nil {
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return "unknown"
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}
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return hex.EncodeToString(b)
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}
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func RequestID() gin.HandlerFunc {
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return func(c *gin.Context) {
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id := c.GetHeader(RequestIDKey)
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if id == "" {
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id = newRequestID()
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}
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c.Set(RequestIDKey, id)
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c.Header(RequestIDKey, id)
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c.Next()
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}
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}
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