package routes import ( //"fmt" "net/http" "strconv" "strings" "sync" "time" c "github.com/Azareal/Gosora/common" co "github.com/Azareal/Gosora/common/counters" "github.com/Azareal/Gosora/uutils" ) var successJSONBytes = []byte(`{"success":1}`) func ParseSEOURL(urlBit string) (slug string, id int, err error) { halves := strings.Split(urlBit, ".") if len(halves) < 2 { halves = append(halves, halves[0]) } tid, err := strconv.Atoi(halves[1]) return halves[0], tid, err } const slen1 = len(";rel=preload;as=script,") const slen2 = len(";rel=preload;as=style,") var pushCdnPool = sync.Pool{} func doPush(w http.ResponseWriter, header *c.Header) { //fmt.Println("in doPush") if c.Config.EnableCDNPush { var sb *strings.Builder ii := pushCdnPool.Get() if ii == nil { sb = &strings.Builder{} } else { sb = ii.(*strings.Builder) sb.Reset() } push := func(in []string) { sb.Grow((slen1 + 6) * len(in)) for _, path := range in { sb.WriteString(";rel=preload;as=script,") } } push(header.Scripts) //push(header.PreScriptsAsync) push(header.ScriptsAsync) if len(header.Stylesheets) > 0 { sb.Grow((slen2 + 7) * len(header.Stylesheets)) for _, path := range header.Stylesheets { sb.WriteString(";rel=preload;as=style,") } } // TODO: Push avatars? if sb.Len() > 0 { sbuf := sb.String() pushCdnPool.Put(sb) w.Header().Set("Link", sbuf[:len(sbuf)-1]) } } else if !c.Config.DisableServerPush { //fmt.Println("push enabled") if gzw, ok := w.(c.GzipResponseWriter); ok { w = gzw.ResponseWriter } pusher, ok := w.(http.Pusher) if !ok { return } //panic("has pusher") //fmt.Println("has pusher") push := func(in []string) { for _, path := range in { //fmt.Println("pushing /s/" + path) // TODO: Avoid concatenating here err := pusher.Push("/s/"+path, nil) if err != nil { break } } } push(header.Scripts) //push(header.PreScriptsAsync) push(header.ScriptsAsync) push(header.Stylesheets) // TODO: Push avatars? } } func renderTemplate(tmplName string, w http.ResponseWriter, r *http.Request, header *c.Header, pi interface{}) c.RouteError { return renderTemplate2(tmplName, tmplName, w, r, header, pi) } func renderTemplate2(tmplName, hookName string, w http.ResponseWriter, r *http.Request, header *c.Header, pi interface{}) c.RouteError { err := renderTemplate3(tmplName, tmplName, w, r, header, pi) if err != nil { return c.InternalError(err, w, r) } return nil } func FootHeaders(w http.ResponseWriter, h *c.Header) { if !h.LooseCSP { if c.Config.SslSchema { w.Header().Set("Content-Security-Policy", "default-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-eval' 'unsafe-inline'; img-src * data: 'unsafe-eval' 'unsafe-inline'; connect-src * 'unsafe-eval' 'unsafe-inline'; frame-src 'self' www.youtube-nocookie.com;upgrade-insecure-requests") } else { w.Header().Set("Content-Security-Policy", "default-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-eval' 'unsafe-inline'; img-src * data: 'unsafe-eval' 'unsafe-inline'; connect-src * 'unsafe-eval' 'unsafe-inline'; frame-src 'self' www.youtube-nocookie.com") } } // Server pushes can backfire on certain browsers, so we want to make sure it's only triggered for ones where it'll help lastAgent := h.CurrentUser.LastAgent //fmt.Println("lastAgent:", lastAgent) if lastAgent == c.Chrome || lastAgent == c.Firefox { doPush(w, h) } } func renderTemplate3(tmplName, hookName string, w http.ResponseWriter, r *http.Request, h *c.Header, pi interface{}) error { s := h.Stylesheets h.Stylesheets = nil noDescSimpleBot := h.CurrentUser.LastAgent == c.SimpleBots[0] || h.CurrentUser.LastAgent == c.SimpleBots[1] var simpleBot bool for _, agent := range c.SimpleBots { if h.CurrentUser.LastAgent == agent { simpleBot = true } } inner := r.FormValue("i") == "1" if !inner && !simpleBot { c.PrepResources(h.CurrentUser, h, h.Theme) for _, ss := range s { h.Stylesheets = append(h.Stylesheets, ss) } h.AddScript("global.js") if h.CurrentUser.Loggedin { h.AddScriptAsync("member.js") } } else { h.CurrentUser.LastAgent = 0 } if h.CurrentUser.Loggedin || inner || noDescSimpleBot { h.MetaDesc = "" h.OGDesc = "" } else if h.MetaDesc != "" && h.OGDesc == "" { h.OGDesc = h.MetaDesc } if !simpleBot { FootHeaders(w, h) } else { h.GoogSiteVerify = "" } if h.Zone != "error" { since := time.Duration(uutils.Nanotime() - h.StartedAt) if h.CurrentUser.IsAdmin { h.Elapsed1 = since.String() } co.PerfCounter.Push(since /*, false*/) } if c.RunPreRenderHook("pre_render_"+hookName, w, r, h.CurrentUser, pi) { return nil } return h.Theme.RunTmpl(tmplName, pi, w) } // TODO: Rename renderTemplate to RenderTemplate instead of using this hack to avoid breaking things var RenderTemplate = renderTemplate3