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package main
import (
"encoding/json"
"fmt"
"html/template"
"log"
"net/http"
"os"
"regexp"
"slices"
)
type AllowedFiles struct {
AllowedFiles []string
}
func (a *AllowedFiles) GetFiles(w http.ResponseWriter, r *http.Request) {
log.Println("Request for:", r.URL.String())
url := fmt.Sprintf("static%s", r.URL.String())
htmlRegex, err := regexp.Compile("^static/.*\\.html$")
if err != nil {
ErrorPage(w, 500)
return
}
if url == "static/" {
url = "static/index.html"
}
if !slices.Contains(a.AllowedFiles, url) {
ErrorPage(w, 404)
return
}
if htmlRegex.MatchString(url) {
t := template.Must(template.ParseFiles("templates/template.html"))
html, err := os.ReadFile(url)
if err != nil {
ErrorPage(w, 500)
return
}
t.Execute(w, template.HTML(html))
} else {
http.ServeFile(w, r, url)
}
}
func GetAllowed(path string) (*AllowedFiles, error) {
var allowed AllowedFiles
allowedJson, err := os.ReadFile(path)
if err != nil {
return nil, err
}
err = json.Unmarshal(allowedJson, &allowed)
return &allowed, err
}
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