68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package util
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import (
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"context"
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"gitea.com/red-future/common/utils"
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"github.com/gogf/gf/v2/frame/g"
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)
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// AsyncCtx 固化异步上下文中的 token 和用户信息，避免请求结束后丢失
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func AsyncCtx(ctx context.Context) context.Context {
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asyncCtx := context.WithoutCancel(ctx)
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if r := g.RequestFromCtx(ctx); r != nil {
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if token := r.Header.Get("Authorization"); token != "" {
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asyncCtx = context.WithValue(asyncCtx, "token", token)
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}
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if userInfo := r.Header.Get("X-User-Info"); userInfo != "" {
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asyncCtx = context.WithValue(asyncCtx, "xUserInfo", userInfo)
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}
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}
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if user, err := utils.GetUserInfo(ctx); err == nil && user != nil {
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asyncCtx = context.WithValue(asyncCtx, "user", user)
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}
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return asyncCtx
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}
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// ForwardHeaders 透传调用链路的头信息，优先使用 ctx 中的固化值
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func ForwardHeaders(ctx context.Context) map[string]string {
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headers := make(map[string]string)
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setHeaderFromContext(headers, ctx, "Authorization", "token")
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setHeaderFromContext(headers, ctx, "X-User-Info", "xUserInfo")
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fallbackToRequestHeaders(headers, ctx)
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return headers
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}
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// setHeaderFromContext 从上下文中设置 header
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func setHeaderFromContext(headers map[string]string, ctx context.Context, headerKey, ctxKey string) {
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if value, ok := ctx.Value(ctxKey).(string); ok && value != "" {
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headers[headerKey] = value
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}
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}
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// fallbackToRequestHeaders 从请求头中获取作为兜底
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func fallbackToRequestHeaders(headers map[string]string, ctx context.Context) {
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r := g.RequestFromCtx(ctx)
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if r == nil {
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return
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}
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if headers["Authorization"] == "" {
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if token := r.Header.Get("Authorization"); token != "" {
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headers["Authorization"] = token
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}
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}
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if headers["X-User-Info"] == "" {
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if userInfo := r.Header.Get("X-User-Info"); userInfo != "" {
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headers["X-User-Info"] = userInfo
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}
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}
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}
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