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tyc-server-v2/app/main/api/internal/middleware/global_sourceinterceptor_middleware.go

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package middleware
import (
"context"
"net/http"
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"strings"
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)
const (
PlatformKey = "X-Platform"
)
func GlobalSourceInterceptor(next http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// 获取请求头 X-Platform 的值
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platform := strings.TrimSpace(r.Header.Get(PlatformKey))
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// 将值放入新的 context 中
ctx := r.Context()
if platform != "" {
ctx = context.WithValue(ctx, "platform", platform)
}
// 通过 r.WithContext 将更新后的 ctx 传递给后续的处理函数
r = r.WithContext(ctx)
// 传递给下一个处理器
next(w, r)
}
}