59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
// Package site：产品官网落地页（嵌入二进制，深色密度跟工作台）。
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package site
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import (
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"embed"
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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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//go:embed template.html assets
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var files embed.FS
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type Handler struct {
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html string
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}
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func New() *Handler {
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raw, err := files.ReadFile("template.html")
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if err != nil {
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panic("site: template.html 缺失: " + err.Error())
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}
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return &Handler{html: string(raw)}
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}
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func (h *Handler) Register(r *gin.Engine) {
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r.GET("/", h.Page)
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r.GET("/home", h.Page)
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r.GET("/index.html", h.Page)
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r.GET("/site/assets/*file", h.Asset)
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}
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func (h *Handler) Page(c *gin.Context) {
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c.Header("Content-Type", "text/html; charset=utf-8")
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c.Header("Cache-Control", "no-cache")
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_, _ = c.Writer.WriteString(h.html)
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}
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func (h *Handler) Asset(c *gin.Context) {
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name := strings.TrimPrefix(c.Param("file"), "/")
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if strings.Contains(name, "..") {
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c.Status(http.StatusBadRequest)
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return
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}
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data, err := files.ReadFile("assets/" + name)
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if err != nil {
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c.Status(http.StatusNotFound)
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return
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}
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ct := "application/octet-stream"
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if strings.HasSuffix(name, ".css") {
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ct = "text/css; charset=utf-8"
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}
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c.Header("Content-Type", ct)
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c.Header("Cache-Control", "public, max-age=3600")
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c.Data(http.StatusOK, ct, data)
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}
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