chore: 初始化 Cloudreve 源码仓库

2026-09-13 11:28:59 +08:00
commit 2a7b03ab1d
489 changed files with 163867 additions and 0 deletions
@@ -0,0 +1,86 @@
+package middleware
+
+import (
+	"github.com/cloudreve/Cloudreve/v4/application/dependency"
+	"github.com/cloudreve/Cloudreve/v4/pkg/util"
+	"github.com/gin-gonic/gin"
+	"io"
+	"net/http"
+	"strings"
+)
+
+// FrontendFileHandler 前端静态文件处理
+func FrontendFileHandler(dep dependency.Dep) gin.HandlerFunc {
+	fs := dep.ServerStaticFS()
+	l := dep.Logger()
+
+	ignoreFunc := func(c *gin.Context) {
+		c.Next()
+	}
+
+	if fs == nil {
+		return ignoreFunc
+	}
+
+	// 读取index.html
+	file, err := fs.Open("/index.html")
+	if err != nil {
+		l.Warning("Static file \"index.html\" does not exist, it might affect the display of the homepage.")
+		return ignoreFunc
+	}
+
+	fileContentBytes, err := io.ReadAll(file)
+	if err != nil {
+		l.Warning("Cannot read static file \"index.html\", it might affect the display of the homepage.")
+		return ignoreFunc
+	}
+	fileContent := string(fileContentBytes)
+
+	fileServer := http.FileServer(fs)
+	return func(c *gin.Context) {
+		path := c.Request.URL.Path
+
+		// Skipping routers handled by backend
+		if strings.HasPrefix(path, "/api") ||
+			strings.HasPrefix(path, "/dav") ||
+			strings.HasPrefix(path, "/f/") ||
+			strings.HasPrefix(path, "/s/") ||
+			path == "/manifest.json" {
+			c.Next()
+			return
+		}
+
+		// 不存在的路径和index.html均返回index.html
+		if (path == "/index.html") || (path == "/") || !fs.Exists("/", path) {
+			// 读取、替换站点设置
+			settingClient := dep.SettingProvider()
+			siteBasic := settingClient.SiteBasic(c)
+			pwaOpts := settingClient.PWA(c)
+			theme := settingClient.Theme(c)
+			finalHTML := util.Replace(map[string]string{
+				"{siteName}":               siteBasic.Name,
+				"{siteDes}":                siteBasic.Description,
+				"{siteScript}":             siteBasic.Script,
+				"{pwa_small_icon}":         pwaOpts.SmallIcon,
+				"{pwa_medium_icon}":        pwaOpts.MediumIcon,
+				"var(--defaultThemeColor)": theme.DefaultTheme,
+			}, fileContent)
+
+			c.Header("Content-Type", "text/html")
+			c.Header("Cache-Control", "public, no-cache")
+			c.String(200, finalHTML)
+			c.Abort()
+			return
+		}
+
+		if path == "/sw.js" || strings.HasPrefix(path, "/locales/") {
+			c.Header("Cache-Control", "public, no-cache")
+		} else if strings.HasPrefix(path, "/assets/") {
+			c.Header("Cache-Control", "public, max-age=31536000")
+		}
+
+		// 存在的静态文件
+		fileServer.ServeHTTP(c.Writer, c.Request)
+		c.Abort()
+	}
+}