132 lines
3.8 KiB
Go
132 lines
3.8 KiB
Go
package routes
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import (
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//"fmt"
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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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c "github.com/Azareal/Gosora/common"
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)
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var successJSONBytes = []byte(`{"success":"1"}`)
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func ParseSEOURL(urlBit string) (slug string, id int, err error) {
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halves := strings.Split(urlBit, ".")
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if len(halves) < 2 {
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halves = append(halves, halves[0])
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}
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tid, err := strconv.Atoi(halves[1])
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return halves[0], tid, err
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}
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var slen1 = len("</static/>; rel=preload; as=script,")
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var slen2 = len("</static/>; rel=preload; as=style,")
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func doPush(w http.ResponseWriter, header *c.Header) {
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//fmt.Println("in doPush")
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if c.Config.EnableCDNPush {
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// TODO: Cache these in a sync.Pool?
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var sb strings.Builder
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var push = func(in []string) {
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sb.Grow((slen1 + 5) * len(in))
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for _, path := range in {
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sb.WriteString("</static/")
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sb.WriteString(path)
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sb.WriteString(">; rel=preload; as=script,")
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}
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}
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push(header.Scripts)
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//push(header.PreScriptsAsync)
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push(header.ScriptsAsync)
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if len(header.Stylesheets) > 0 {
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sb.Grow((slen2 + 6) * len(header.Stylesheets))
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for _, path := range header.Stylesheets {
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sb.WriteString("</static/")
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sb.WriteString(path)
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sb.WriteString(">; rel=preload; as=style,")
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}
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}
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// TODO: Push avatars?
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if sb.Len() > 0 {
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sbuf := sb.String()
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w.Header().Set("Link", sbuf[:len(sbuf)-1])
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}
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} else if !c.Config.DisableServerPush {
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//fmt.Println("push enabled")
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gzw, ok := w.(c.GzipResponseWriter)
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if ok {
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w = gzw.ResponseWriter
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}
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pusher, ok := w.(http.Pusher)
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if !ok {
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return
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}
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//fmt.Println("has pusher")
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var push = func(in []string) {
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for _, path := range in {
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//fmt.Println("pushing /static/" + path)
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err := pusher.Push("/static/"+path, nil)
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if err != nil {
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break
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}
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}
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}
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push(header.Scripts)
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//push(header.PreScriptsAsync)
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push(header.ScriptsAsync)
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push(header.Stylesheets)
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// TODO: Push avatars?
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}
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}
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func renderTemplate(tmplName string, w http.ResponseWriter, r *http.Request, header *c.Header, pi interface{}) c.RouteError {
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return renderTemplate2(tmplName, tmplName, w, r, header, pi)
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}
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func renderTemplate2(tmplName string, hookName string, w http.ResponseWriter, r *http.Request, header *c.Header, pi interface{}) c.RouteError {
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err := renderTemplate3(tmplName, tmplName, w, r, header, pi)
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if err != nil {
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return c.InternalError(err, w, r)
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}
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return nil
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}
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func renderTemplate3(tmplName string, hookName string, w http.ResponseWriter, r *http.Request, header *c.Header, pi interface{}) error {
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c.PrepResources(&header.CurrentUser, header, header.Theme)
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if header.CurrentUser.Loggedin {
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header.MetaDesc = ""
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header.OGDesc = ""
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} else if header.MetaDesc != "" && header.OGDesc == "" {
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header.OGDesc = header.MetaDesc
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}
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// TODO: Expand this to non-HTTPS requests too
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if !header.LooseCSP && c.Site.EnableSsl {
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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")
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}
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header.AddScript("global.js")
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// Server pushes can backfire on certain browsers, so we want to make sure it's only triggered for ones where it'll help
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lastAgent := header.CurrentUser.LastAgent
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//fmt.Println("lastAgent:", lastAgent)
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if lastAgent == "chrome" || lastAgent == "firefox" {
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doPush(w, header)
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}
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if header.CurrentUser.IsAdmin {
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header.Elapsed1 = time.Since(header.StartedAt).String()
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}
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if c.RunPreRenderHook("pre_render_"+hookName, w, r, &header.CurrentUser, pi) {
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return nil
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}
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return header.Theme.RunTmpl(tmplName, pi, w)
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}
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// TODO: Rename renderTemplate to RenderTemplate instead of using this hack to avoid breaking things
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var RenderTemplate = renderTemplate3
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