2023-02-03 16:18:31 +08:00
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package server
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import (
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"crypto/md5"
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2023-05-13 00:55:47 +08:00
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"demo-server/pkg"
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2023-02-03 16:18:31 +08:00
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"embed"
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"fmt"
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"github.com/gin-gonic/gin"
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"net/http"
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"strings"
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)
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/*
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embed static web learn from opensource license MIT
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see "github.com/v2rayA/v2rayA/server/router/index.go"
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*/
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// webRootFS 嵌入静态文件
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//
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//go:embed web
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var webRootFS embed.FS
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// html 缓存 HTML 页面
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func html(html []byte) func(ctx *gin.Context) {
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etag := fmt.Sprintf("W/%x", md5.Sum(html))
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h := pkg.B2S(html)
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return func(ctx *gin.Context) {
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if ctx.IsAborted() {
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return
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}
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ctx.Header("Content-Type", "text/html; charset=utf-8")
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ctx.Header("Cache-Control", "public, must-revalidate")
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ctx.Header("ETag", etag)
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if match := ctx.GetHeader("If-None-Match"); match != "" {
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if strings.Contains(match, etag) {
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ctx.Status(http.StatusNotModified)
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return
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}
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}
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ctx.String(http.StatusOK, h)
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}
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}
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