horsepaste/frontend.go
joshii 0046177494
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Initial commit
2026-03-15 13:36:37 +01:00

120 lines
3 KiB
Go

package horsepaste
import (
"math/rand"
"net/http"
"path/filepath"
"strings"
)
const tpl = `
<!DOCTYPE html>
<html>
<head>
<title>Horsepaste - Play Online</title>
<script src="/static/app.js?v=0.02" type="text/javascript"></script>
<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="/static/game.css" />
<link rel="stylesheet" type="text/css" href="/static/lobby.css" />
<link rel="shortcut icon" type="image/png" id="favicon" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAA8SURBVHgB7dHBDQAgCAPA1oVkBWdzPR84kW4AD0LCg36bXJqUcLL2eVY/EEwDFQBeEfPnqUpkLmigAvABK38Grs5TfaMAAAAASUVORK5CYII="/>
<script type="text/javascript">
{{if .SelectedGameID}}
window.selectedGameID = "{{.SelectedGameID}}";
{{end}}
window.autogeneratedGameID = "{{.AutogeneratedGameID}}";
</script>
</head>
<body>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-88084599-2', 'auto');
ga('send', 'pageview');
</script>
<div id="app">
</div>
</body>
</html>
`
type templateParameters struct {
SelectedGameID string
AutogeneratedGameID string
}
func (s *Server) handleIndex(rw http.ResponseWriter, req *http.Request) {
dir, id := filepath.Split(req.URL.Path)
if dir != "" && dir != "/" {
http.NotFound(rw, req)
return
}
autogeneratedID := s.getAutogeneratedID()
err := s.tpl.Execute(rw, templateParameters{
SelectedGameID: id,
AutogeneratedGameID: autogeneratedID,
})
if err != nil {
http.Error(rw, "error rendering", http.StatusInternalServerError)
}
}
func (s *Server) getAutogeneratedID() string {
const attemptsPerWordCount = 5
s.mu.Lock()
defer s.mu.Unlock()
if rand.Intn(5) == 1 {
if vanityID, ok := s.maybeFindVanityGameIDLocked(); ok {
return vanityID
}
}
var words []string
autogeneratedID := ""
for i := 0; ; i++ {
wordCount := 2 + i/attemptsPerWordCount
words = words[:0]
for j := 0; j < wordCount; j++ {
w := s.gameIDWords[rand.Intn(len(s.gameIDWords))]
words = append(words, w)
}
autogeneratedID = strings.Join(words, "-")
if _, ok := s.games[autogeneratedID]; !ok {
break
}
}
return autogeneratedID
}
var preferredGameIDs = []string{
"punch-fascists",
"no-ice",
"no-borders",
"no-walls",
"no-fascists",
"abolish-ice",
"prosecute-ice",
"defund-ice",
"punch-chuds",
}
func (s *Server) maybeFindVanityGameIDLocked() (string, bool) {
perm := rand.Perm(len(preferredGameIDs))
for _, i := range perm {
id := preferredGameIDs[i]
if _, ok := s.games[id]; !ok {
return id, true
}
}
return "", false
}