80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
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package main
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import (
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"encoding/json"
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"flag"
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"html/template"
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"log"
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"net/http"
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)
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// Server configs.
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var (
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listenAddr = flag.String("listen", "0.0.0.0:80", "Listen address for server, in the form addr:port")
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scriptPath = flag.String("script", "./pajen.pl", "The relative path to pajen.pl. Must be executable!")
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apiQty = flag.Int("quantity", 5, "The number of names returned at a time from the API")
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)
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var (
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pajen *Pajen
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indexTmpl = template.Must(template.ParseFiles("index.gohtml"))
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)
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func handleRoot(w http.ResponseWriter, r *http.Request) {
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if r.RequestURI != "/" {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404 not found"))
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return
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}
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indexTmpl.Execute(w, nil)
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}
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func handleAPI(w http.ResponseWriter, r *http.Request) {
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if r.Method != "GET" || r.RequestURI != "/api" {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404 not found"))
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return
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}
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a := make([]string, 0, *apiQty)
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for i := 0; i < *apiQty; i++ {
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a = append(a, <-pajen.Chan)
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}
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b, err := json.Marshal(a)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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b, _ = json.Marshal(map[string]any{
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"status": "Failed",
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"error": err,
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})
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}
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w.Write(b)
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}
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func main() {
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log.Println("Starting pajen.pl frontend - the famous indian name generator")
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flag.Parse()
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p, err := NewPajen(*scriptPath)
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if err != nil {
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log.Fatal(err)
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}
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pajen = p
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http.HandleFunc("/", handleRoot)
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http.HandleFunc("/api", handleAPI)
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http.HandleFunc("/index.css", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "index.css")
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})
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http.HandleFunc("/index.js", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "index.js")
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})
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if err := http.ListenAndServe(*listenAddr, nil); err != nil {
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log.Fatalln(err)
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}
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}
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