76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"path"
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"text/template"
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"github.com/allegro/bigcache/v3"
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)
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var cache *bigcache.BigCache
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func setCache(key string, entry any) error {
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data, err := json.Marshal(&entry)
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if err != nil {
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return err
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}
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return cache.Set(key, data)
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}
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func getCache(key string) (any, error) {
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data, err := cache.Get(key)
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if err != nil {
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return nil, err
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}
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var decoded any
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if err = json.Unmarshal(data, &decoded); err != nil {
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return nil, err
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}
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return decoded, nil
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}
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func fatal(err any) {
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log.Fatalf("[ERR] %s\n", err)
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}
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func info(s string) {
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log.Printf("[INFO] %s\n", s)
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}
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func write(w http.ResponseWriter, status int, data []byte) {
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w.WriteHeader(status)
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w.Write(data)
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}
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func securityHeaders(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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csp := "default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' images.genius.com; object-src 'none'"
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w.Header().Add("content-security-policy", csp)
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w.Header().Add("referrer-policy", "no-referrer")
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w.Header().Add("x-content-type-options", "nosniff")
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next.ServeHTTP(w, r)
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})
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}
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func render(n string, w http.ResponseWriter, data any) {
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tmpl := fmt.Sprintf("%s.tmpl",n )
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t, err := template.ParseFiles(path.Join("views", tmpl))
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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if err = t.Execute(w, data); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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}
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