Infra-Mirrors/ots
1
0
Fork 0
mirror of https://github.com/Luzifer/ots.git synced 2025-04-19 06:55:51 -04:00
Code Issues Packages Projects Releases Wiki Activity

Move template parsing outside handler function

Browse Source 
Parsing the template for every request makes no sense.
This commit is contained in:
Vic Demuzere 2021-09-26 15:38:23 +02:00
parent fefee9721d
commit 236c6a8dcb
No known key found for this signature in database
GPG Key ID: 5B9EA1616690CF94
1 changed files with 22 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
main.go
View File

@ -90,29 +90,29 @@ func assetDelivery(w http.ResponseWriter, r *http.Request) {
w.Write(assetData)
}
// https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
var cspHeader = strings.Join([]string{
"default-src 'none'",
"connect-src 'self'",
"font-src 'self'",
"img-src 'self'",
"script-src 'self' 'unsafe-inline'",
"style-src 'self' 'unsafe-inline'",
}, ";")
var (
// https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
cspHeader = strings.Join([]string{
"default-src 'none'",
"connect-src 'self'",
"font-src 'self'",
"img-src 'self'",
"script-src 'self' 'unsafe-inline'",
"style-src 'self' 'unsafe-inline'",
}, ";")
indexTpl *template.Template
)
func init() {
source, err := assets.ReadFile("frontend/index.html")
if err != nil {
log.WithError(err).Fatal("frontend folder should contain index.html Go template")
}
indexTpl = template.Must(template.New("index.html").Funcs(tplFuncs).Parse(string(source)))
}
func handleIndex(w http.ResponseWriter, r *http.Request) {
indexTpl, err := assets.ReadFile("frontend/index.html")
if err != nil {
http.Error(w, "404 not found", http.StatusNotFound)
return
}
tpl, err := template.New("index.html").Funcs(tplFuncs).Parse(string(indexTpl))
if err != nil {
http.Error(w, errors.Wrap(err, "parsing template").Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Header().Set("Referrer-Policy", "no-referrer")
w.Header().Set("X-Frame-Options", "DENY")
@ -127,7 +127,7 @@ func handleIndex(w http.ResponseWriter, r *http.Request) {
"version": version,
},
}); err != nil {
http.Error(w, errors.Wrap(err, "parsing template").Error(), http.StatusInternalServerError)
http.Error(w, errors.Wrap(err, "executing template").Error(), http.StatusInternalServerError)
return
}
}