gosora/routes/common.go

110 lines
2.9 KiB
Go

package routes
import (
//"fmt"
"net/http"
"strconv"
"strings"
"time"
"github.com/Azareal/Gosora/common"
)
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
}
func doPush(w http.ResponseWriter, header *common.Header) {
//fmt.Println("in doPush")
if common.Config.EnableCDNPush {
// TODO: Faster string building...
var sbuf string
var push = func(in []string) {
for _, path := range in {
sbuf += "</static/" + path + ">; rel=preload; as=script,"
}
}
push(header.Scripts)
//push(header.PreScriptsAsync)
push(header.ScriptsAsync)
if len(header.Stylesheets) > 0 {
for _, path := range header.Stylesheets {
sbuf += "</static/" + path + ">; rel=preload; as=style,"
}
}
// TODO: Push avatars?
if len(sbuf) > 0 {
sbuf = sbuf[:len(sbuf)-1]
w.Header().Set("Link", sbuf)
}
} else if !common.Config.DisableServerPush {
//fmt.Println("push enabled")
gzw, ok := w.(common.GzipResponseWriter)
if ok {
w = gzw.ResponseWriter
}
pusher, ok := w.(http.Pusher)
if !ok {
return
}
//fmt.Println("has pusher")
var push = func(in []string) {
for _, path := range in {
//fmt.Println("pushing /static/" + path)
err := pusher.Push("/static/"+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 *common.Header, pi interface{}) common.RouteError {
if header.CurrentUser.Loggedin {
header.MetaDesc = ""
header.OGDesc = ""
} else if header.MetaDesc != "" && header.OGDesc == "" {
header.OGDesc = header.MetaDesc
}
// TODO: Expand this to non-HTTPS requests too
if !header.LooseCSP && common.Site.EnableSsl {
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")
}
header.AddScript("global.js")
// Server pushes can backfire on certain browsers, so we want to make sure it's only triggered for ones where it'll help
lastAgent := header.CurrentUser.LastAgent
//fmt.Println("lastAgent:", lastAgent)
if lastAgent == "chrome" || lastAgent == "firefox" {
doPush(w, header)
}
if header.CurrentUser.IsAdmin {
header.Elapsed1 = time.Since(header.StartedAt).String()
}
if common.RunPreRenderHook("pre_render_"+tmplName, w, r, &header.CurrentUser, pi) {
return nil
}
err := header.Theme.RunTmpl(tmplName, pi, w)
if err != nil {
return common.InternalError(err, w, r)
}
return nil
}