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