You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
package services
|
|
|
|
import (
|
|
"embed"
|
|
"io"
|
|
"io/fs"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/gin-contrib/static"
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
type embedFileSystem struct {
|
|
http.FileSystem
|
|
}
|
|
|
|
func (e embedFileSystem) Exists(prefix string, path string) bool {
|
|
_, err := e.Open(path)
|
|
return err == nil
|
|
}
|
|
func EmbedFolder(fsEmbed embed.FS, targetPath string) static.ServeFileSystem {
|
|
fsys, err := fs.Sub(fsEmbed, targetPath)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return embedFileSystem{
|
|
FileSystem: http.FS(fsys),
|
|
}
|
|
}
|
|
|
|
func FindNextIndexFile(currentPath string, fsys static.ServeFileSystem) string {
|
|
findPath := strings.TrimSuffix(currentPath, "/")
|
|
logrus.Infoln("Finding index file for path:", findPath)
|
|
|
|
testFile := findPath + ".html"
|
|
logrus.Infoln("Checking for HTML file:", testFile)
|
|
if fsys.Exists("", testFile) {
|
|
return testFile
|
|
}
|
|
|
|
testFile = findPath + "/index.html"
|
|
logrus.Infoln("Checking for index file:", testFile)
|
|
if fsys.Exists("", testFile) {
|
|
return testFile
|
|
}
|
|
|
|
lastSlash := strings.LastIndex(findPath, "/")
|
|
|
|
if lastSlash < 0 {
|
|
return ""
|
|
}
|
|
findPath = findPath[:lastSlash]
|
|
|
|
lastSlash = strings.LastIndex(findPath, "/")
|
|
if lastSlash < 0 {
|
|
return ""
|
|
}
|
|
|
|
endfix := findPath[lastSlash+1:]
|
|
testFile = findPath + "/[" + endfix + "].html"
|
|
logrus.Infoln("Checking for dynamic route file:", testFile)
|
|
if fsys.Exists("", testFile) {
|
|
return testFile
|
|
}
|
|
|
|
return ""
|
|
}
|
|
|
|
func HandleStaticFile(f embed.FS, router *gin.Engine) {
|
|
root := EmbedFolder(f, "out")
|
|
router.Use(static.Serve("/", root))
|
|
staticServer := static.Serve("/", root)
|
|
router.NoRoute(func(c *gin.Context) {
|
|
if c.Request.Method == http.MethodGet &&
|
|
!strings.ContainsRune(c.Request.URL.Path, '.') &&
|
|
!strings.HasPrefix(c.Request.URL.Path, "/socket.io") {
|
|
|
|
logrus.Debugln("No route found for path:", c.Request.URL.Path)
|
|
|
|
// 尝试查找Next.js的index.html
|
|
indexFile := FindNextIndexFile(c.Request.URL.Path, root)
|
|
if indexFile != "" {
|
|
logrus.Infoln("Serving index file:", indexFile)
|
|
c.Request.URL.Path = indexFile
|
|
|
|
staticServer(c)
|
|
} else {
|
|
// 先读取404.html文件内容
|
|
file, err := root.Open("/404.html")
|
|
if err != nil {
|
|
logrus.Error("Failed to open 404.html:", err)
|
|
c.String(http.StatusNotFound, "404 Not Found")
|
|
return
|
|
}
|
|
defer file.Close()
|
|
|
|
// 读取文件内容
|
|
content, err := io.ReadAll(file)
|
|
if err != nil {
|
|
logrus.Error("Failed to read 404.html:", err)
|
|
c.String(http.StatusNotFound, "404 Not Found")
|
|
return
|
|
}
|
|
|
|
// 设置状态码和内容类型，然后返回内容
|
|
c.Header("Content-Type", "text/html; charset=utf-8")
|
|
c.Data(http.StatusNotFound, "text/html; charset=utf-8", content)
|
|
}
|
|
}
|
|
})
|
|
}
|