22 lines
568 B
Go
22 lines
568 B
Go
package middleware
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import (
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"crypto/subtle"
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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)
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// RequireAPIKey 校验 Authorization: Bearer <api_key>（常数时间比较），不匹配返回 401。
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func RequireAPIKey(key string) gin.HandlerFunc {
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return func(c *gin.Context) {
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token := strings.TrimSpace(strings.TrimPrefix(c.GetHeader("Authorization"), "Bearer "))
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if key == "" || subtle.ConstantTimeCompare([]byte(token), []byte(key)) != 1 {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "UNAUTHORIZED"})
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return
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}
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c.Next()
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}
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}
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