85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
package main
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import (
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"log"
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"math/rand"
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"net/http"
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"os"
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"time"
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)
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type application struct {
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errorLog *log.Logger
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infoLog *log.Logger
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pepe_list []string
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pepe_dir string
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}
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func main() {
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pepe_dir := os.Getenv("PEPE_DIR")
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infoLog := log.New(os.Stdout, "INFO\t", log.Ldate|log.Ltime)
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errorLog := log.New(os.Stderr, "ERROR\t", log.Ldate|log.Ltime|log.Lshortfile)
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file, err := os.Open(pepe_dir)
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if err != nil {
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errorLog.Printf("Error opening pepe directory\n")
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return
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}
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pepe_list, err := file.Readdirnames(0)
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if err != nil {
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errorLog.Printf("Error reading pepe directory file names\n")
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return
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}
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file.Close()
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app := &application{
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infoLog: infoLog,
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errorLog: errorLog,
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pepe_dir: pepe_dir,
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pepe_list: pepe_list,
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}
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mux := http.NewServeMux()
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mux.HandleFunc("/pepe", app.sendPepe)
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mux.HandleFunc("/reload", app.reloadList)
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app.infoLog.Printf("Starting server at :4000\n")
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err = http.ListenAndServe(":4000", mux)
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log.Fatal(err)
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}
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func (app *application) sendPepe(w http.ResponseWriter, r *http.Request) {
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// Random number generator
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s := rand.NewSource(time.Now().UnixMicro())
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rd := rand.New(s) // Init pseudorandom generator
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number := rd.Intn(len(app.pepe_list))
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baseURL := "https://cdn.home.dutchellie.nl/pepe/1.00/"
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URL := baseURL + app.pepe_list[number]
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w.Write([]byte(URL))
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}
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func (app *application) reloadList(w http.ResponseWriter, r *http.Request) {
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file, err := os.Open(app.pepe_dir)
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if err != nil {
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app.errorLog.Printf("Error opening pepe directory\n")
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return
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}
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defer file.Close()
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pepe_list, err := file.Readdirnames(0)
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if err != nil {
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app.errorLog.Printf("Error reading pepe directory file names\n")
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return
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}
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app.pepe_list = pepe_list
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("200 - Reloaded the list of pepes"))
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}
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