spotify/spotify-storage.html at master · nextgenchat/spotify · GitHub

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<html>
  <body>
    <p id="dummy"></p>
    <script>
      document.domain = 'websnapins.com'; // should be top-level domain e.g. spotify.com

      function storeSessionData(key, data) {
        if(data){
            sessionStorage.setItem(key, data);
        }else{
            removeSessionData(key);
        }
      }
      function getSessionData(key, data) {
        return sessionStorage.getItem(key);
      }

      function removeSessionData(key) {
        return sessionStorage.removeItem(key);
      }

      function createCookie(name,value,minutes) {
        var expires = "";
        if (minutes) {
          var date = new Date();
          date.setTime(date.getTime() + (minutes*60*1000));
          expires = "; expires=" + date.toUTCString();
        }
        document.cookie = name + "=" + value + expires + "; path=/";
      }

      function readCookie(name) {
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for(var i=0;i < ca.length;i++) {
          var c = ca[i];
          while (c.charAt(0)==' ') c = c.substring(1,c.length);
          if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
        }
        return null;
      }

      function eraseCookie(name) {
        createCookie(name,"",-1);
      }

      var targetorigin = 'http://' + parent.location.hostname;
      parent.postMessage("storage_iframe_initialized", targetorigin);
    </script>
  </body>
</html>