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