gosora/routes/misc.go

104 lines
3.4 KiB
Go

package routes
import (
"bytes"
"database/sql"
"io"
"net/http"
"strconv"
"strings"
"time"
c "github.com/Azareal/Gosora/common"
"github.com/Azareal/Gosora/common/phrases"
)
var cacheControlMaxAge = "max-age=" + strconv.Itoa(int(c.Day)) // TODO: Make this a c.Config value
var cacheControlMaxAgeWeek = "max-age=" + strconv.Itoa(int(c.Week)) // TODO: Make this a c.Config value
// GET functions
func StaticFile(w http.ResponseWriter, r *http.Request) {
file, ok := c.StaticFiles.Get(r.URL.Path)
if !ok {
c.DebugLogf("Failed to find '%s'", r.URL.Path) // TODO: Use MicroNotFound? Might be better than the unneccessary overhead of sprintf
w.WriteHeader(http.StatusNotFound)
return
}
h := w.Header()
// Surely, there's a more efficient way of doing this?
t, err := time.Parse(http.TimeFormat, r.Header.Get("If-Modified-Since"))
if err == nil && file.Info.ModTime().Before(t.Add(1*time.Second)) {
w.WriteHeader(http.StatusNotModified)
return
}
h.Set("Last-Modified", file.FormattedModTime)
h.Set("Content-Type", file.Mimetype)
if len(file.Sha256) != 0 {
h.Set("Cache-Control", cacheControlMaxAgeWeek)
} else {
h.Set("Cache-Control", cacheControlMaxAge) //Cache-Control: max-age=31536000
}
h.Set("Vary", "Accept-Encoding")
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") && file.GzipLength > 0 {
h.Set("Content-Encoding", "gzip")
h.Set("Content-Length", strconv.FormatInt(file.GzipLength, 10))
io.Copy(w, bytes.NewReader(file.GzipData)) // Use w.Write instead?
} else {
h.Set("Content-Length", strconv.FormatInt(file.Length, 10)) // Avoid doing a type conversion every time?
io.Copy(w, bytes.NewReader(file.Data))
}
// Other options instead of io.Copy: io.CopyN(), w.Write(), http.ServeContent()
}
func Overview(w http.ResponseWriter, r *http.Request, user c.User, header *c.Header) c.RouteError {
header.Title = phrases.GetTitlePhrase("overview")
header.Zone = "overview"
return renderTemplate("overview", w, r, header, c.Page{header, tList, nil})
}
func CustomPage(w http.ResponseWriter, r *http.Request, user c.User, header *c.Header, name string) c.RouteError {
header.Zone = "custom_page"
name = c.SanitiseSingleLine(name)
page, err := c.Pages.GetByName(name)
if err == nil {
header.Title = page.Title
return renderTemplate("custom_page", w, r, header, c.CustomPagePage{header, page})
} else if err != sql.ErrNoRows {
return c.InternalError(err, w, r)
}
// ! Is this safe?
if c.DefaultTemplates.Lookup("page_"+name+".html") == nil {
return c.NotFound(w, r, header)
}
header.Title = phrases.GetTitlePhrase("page")
// TODO: Pass the page name to the pre-render hook?
return renderTemplate2("page_"+name, "tmpl_page", w, r, header, c.Page{header, tList, nil})
}
// TODO: Set the cookie domain
func ChangeTheme(w http.ResponseWriter, r *http.Request, user c.User) c.RouteError {
//headerLite, _ := SimpleUserCheck(w, r, &user)
// TODO: Rename isJs to something else, just in case we rewrite the JS side in WebAssembly?
isJs := (r.PostFormValue("isJs") == "1")
newTheme := c.SanitiseSingleLine(r.PostFormValue("newTheme"))
theme, ok := c.Themes[newTheme]
if !ok || theme.HideFromThemes {
return c.LocalErrorJSQ("That theme doesn't exist", w, r, user, isJs)
}
cookie := http.Cookie{Name: "current_theme", Value: newTheme, Path: "/", MaxAge: int(c.Year)}
http.SetCookie(w, &cookie)
if !isJs {
http.Redirect(w, r, "/", http.StatusSeeOther)
} else {
_, _ = w.Write(successJSONBytes)
}
return nil
}