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70 lines
1.8 KiB
70 lines
1.8 KiB
package middleware
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import (
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"github.com/cloudreve/Cloudreve/v3/bootstrap"
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model "github.com/cloudreve/Cloudreve/v3/models"
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"github.com/cloudreve/Cloudreve/v3/pkg/util"
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"github.com/gin-gonic/gin"
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"io/ioutil"
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"net/http"
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"strings"
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)
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// FrontendFileHandler 前端静态文件处理
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func FrontendFileHandler() gin.HandlerFunc {
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ignoreFunc := func(c *gin.Context) {
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c.Next()
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}
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if bootstrap.StaticFS == nil {
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return ignoreFunc
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}
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// 读取index.html
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file, err := bootstrap.StaticFS.Open("/index.html")
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if err != nil {
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util.Log().Warning("静态文件[index.html]不存在，可能会影响首页展示")
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return ignoreFunc
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}
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fileContentBytes, err := ioutil.ReadAll(file)
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if err != nil {
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util.Log().Warning("静态文件[index.html]读取失败，可能会影响首页展示")
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return ignoreFunc
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}
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fileContent := string(fileContentBytes)
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fileServer := http.FileServer(bootstrap.StaticFS)
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return func(c *gin.Context) {
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path := c.Request.URL.Path
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// API 跳过
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if strings.HasPrefix(path, "/api") || strings.HasPrefix(path, "/custom") || strings.HasPrefix(path, "/dav") || path == "/manifest.json" {
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c.Next()
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return
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}
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// 不存在的路径和index.html均返回index.html
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if (path == "/index.html") || (path == "/") || !bootstrap.StaticFS.Exists("/", path) {
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// 读取、替换站点设置
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options := model.GetSettingByNames("siteName", "siteKeywords", "siteScript",
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"pwa_small_icon")
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finalHTML := util.Replace(map[string]string{
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"{siteName}": options["siteName"],
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"{siteDes}": options["siteDes"],
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"{siteScript}": options["siteScript"],
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"{pwa_small_icon}": options["pwa_small_icon"],
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}, fileContent)
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c.Header("Content-Type", "text/html")
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c.String(200, finalHTML)
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c.Abort()
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return
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}
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// 存在的静态文件
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fileServer.ServeHTTP(c.Writer, c.Request)
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c.Abort()
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}
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}
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