124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
package handlers
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/hacdias/caddy-filemanager/config"
|
|
"github.com/hacdias/caddy-filemanager/file"
|
|
"github.com/hacdias/caddy-filemanager/page"
|
|
"github.com/hacdias/caddy-filemanager/utils"
|
|
"github.com/mholt/caddy/caddyhttp/httpserver"
|
|
)
|
|
|
|
// ServeListing presents the user with a listage of a directory folder.
|
|
func ServeListing(w http.ResponseWriter, r *http.Request, c *config.Config, u *config.User, i *file.Info) (int, error) {
|
|
var err error
|
|
|
|
// Loads the content of the directory
|
|
listing, err := file.GetListing(u, i.VirtualPath, r.URL.Path)
|
|
if err != nil {
|
|
return utils.ErrorToHTTPCode(err, true), err
|
|
}
|
|
|
|
listing.Context = httpserver.Context{
|
|
Root: http.Dir(u.Scope),
|
|
Req: r,
|
|
URL: r.URL,
|
|
}
|
|
|
|
// Copy the query values into the Listing struct
|
|
var limit int
|
|
listing.Sort, listing.Order, limit, err = handleSortOrder(w, r, c.Scope)
|
|
if err != nil {
|
|
return http.StatusBadRequest, err
|
|
}
|
|
|
|
listing.ApplySort()
|
|
|
|
if limit > 0 && limit <= len(listing.Items) {
|
|
listing.Items = listing.Items[:limit]
|
|
listing.ItemsLimitedTo = limit
|
|
}
|
|
|
|
if strings.Contains(r.Header.Get("Accept"), "application/json") {
|
|
marsh, err := json.Marshal(listing.Items)
|
|
if err != nil {
|
|
return http.StatusInternalServerError, err
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
if _, err := w.Write(marsh); err != nil {
|
|
return http.StatusInternalServerError, err
|
|
}
|
|
|
|
return http.StatusOK, nil
|
|
}
|
|
|
|
page := &page.Page{
|
|
Minimal: r.Header.Get("Minimal") == "true",
|
|
Info: &page.Info{
|
|
Name: listing.Name,
|
|
Path: i.VirtualPath,
|
|
IsDir: true,
|
|
User: u,
|
|
Config: c,
|
|
Data: listing,
|
|
},
|
|
}
|
|
|
|
return page.PrintAsHTML(w, "listing")
|
|
}
|
|
|
|
// handleSortOrder gets and stores for a Listing the 'sort' and 'order',
|
|
// and reads 'limit' if given. The latter is 0 if not given. Sets cookies.
|
|
func handleSortOrder(w http.ResponseWriter, r *http.Request, scope string) (sort string, order string, limit int, err error) {
|
|
sort = r.URL.Query().Get("sort")
|
|
order = r.URL.Query().Get("order")
|
|
limitQuery := r.URL.Query().Get("limit")
|
|
|
|
// If the query 'sort' or 'order' is empty, use defaults or any values
|
|
// previously saved in Cookies.
|
|
switch sort {
|
|
case "":
|
|
sort = "name"
|
|
if sortCookie, sortErr := r.Cookie("sort"); sortErr == nil {
|
|
sort = sortCookie.Value
|
|
}
|
|
case "name", "size", "type":
|
|
http.SetCookie(w, &http.Cookie{
|
|
Name: "sort",
|
|
Value: sort,
|
|
Path: scope,
|
|
Secure: r.TLS != nil,
|
|
})
|
|
}
|
|
|
|
switch order {
|
|
case "":
|
|
order = "asc"
|
|
if orderCookie, orderErr := r.Cookie("order"); orderErr == nil {
|
|
order = orderCookie.Value
|
|
}
|
|
case "asc", "desc":
|
|
http.SetCookie(w, &http.Cookie{
|
|
Name: "order",
|
|
Value: order,
|
|
Path: scope,
|
|
Secure: r.TLS != nil,
|
|
})
|
|
}
|
|
|
|
if limitQuery != "" {
|
|
limit, err = strconv.Atoi(limitQuery)
|
|
// If the 'limit' query can't be interpreted as a number, return err.
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|