func (this *Upload) Build(origin *OriginFile) (*StoreFile, error) {
filename := origin.FileName
var name string
arr := strings.Split(filename, ".")
ext := ""
if len(arr) > 1 {
ext = strings.ToLower("." + arr[len(arr)-1])
name = filename[0 : len(filename)-len(ext)]
} else {
name = filename
}
if !util.InStringArray(this.ExtAllowedList, ext) {
return nil, errors.New("file " + ext + " is forbidden")
}
return &StoreFile{
StorePath: strings.TrimPrefix(this.StorePath, "/"),
StoreName: util.Unique(),
Ext: ext,
Name: name,
OriginFile: origin}, nil
}
// check cache file, if cache file is exists, it will return content by cache and
// if cache file is not exists, it will create cache file
// filename=/content/cid?abc=123
// the dir /var/content and file /var/content/cid?abc=123 will be created.
func (p *Page) CachePage() {
if p.Cache.Type == "file" {
filename := "var/cache" + p.Ctx.Request.RequestURI + ".html"
uri := []byte(p.Ctx.Request.RequestURI)
n := bytes.Index(uri, []byte("?"))
var t []byte
if n != -1 {
t = bytes.Trim(uri[:n], "/")
} else {
t = bytes.Trim(uri, "/")
}
arr := bytes.Split(t, []byte("/"))
// prepare dir, if dir is not exists , it will be create.
path := "var/cache/"
count := len(arr) - 1
for i := 0; i < count; i++ {
path += string(arr[i]) + "/"
if util.InStringArray(cachePathList, path) {
continue
} else {
cachePathList = append(cachePathList, path)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
os.Mkdir(path, os.ModeDir)
}
}
}
p.savePageToFile(filename)
http.ServeFile(p.Ctx.ResponseWriter, p.Ctx.Request, filename)
}
}