MediaWiki:Common.js: differenze tra le versioni

Versione delle 11:55, 1 giu 2026

/* WIKINESS_DYNAMIC_GALLERY_START */
(function () {
  function escapeHtml(text) {
    return String(text || '')
      .replace(/&/g, '&')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;');
  }

  function md5cycle(x, k) {
    var a = x[0], b = x[1], c = x[2], d = x[3];

    a = ff(a, b, c, d, k[0], 7, -680876936);
    d = ff(d, a, b, c, k[1], 12, -389564586);
    c = ff(c, d, a, b, k[2], 17, 606105819);
    b = ff(b, c, d, a, k[3], 22, -1044525330);
    a = ff(a, b, c, d, k[4], 7, -176418897);
    d = ff(d, a, b, c, k[5], 12, 1200080426);
    c = ff(c, d, a, b, k[6], 17, -1473231341);
    b = ff(b, c, d, a, k[7], 22, -45705983);
    a = ff(a, b, c, d, k[8], 7, 1770035416);
    d = ff(d, a, b, c, k[9], 12, -1958414417);
    c = ff(c, d, a, b, k[10], 17, -42063);
    b = ff(b, c, d, a, k[11], 22, -1990404162);
    a = ff(a, b, c, d, k[12], 7, 1804603682);
    d = ff(d, a, b, c, k[13], 12, -40341101);
    c = ff(c, d, a, b, k[14], 17, -1502002290);
    b = ff(b, c, d, a, k[15], 22, 1236535329);

    a = gg(a, b, c, d, k[1], 5, -165796510);
    d = gg(d, a, b, c, k[6], 9, -1069501632);
    c = gg(c, d, a, b, k[11], 14, 643717713);
    b = gg(b, c, d, a, k[0], 20, -373897302);
    a = gg(a, b, c, d, k[5], 5, -701558691);
    d = gg(d, a, b, c, k[10], 9, 38016083);
    c = gg(c, d, a, b, k[15], 14, -660478335);
    b = gg(b, c, d, a, k[4], 20, -405537848);
    a = gg(a, b, c, d, k[9], 5, 568446438);
    d = gg(d, a, b, c, k[14], 9, -1019803690);
    c = gg(c, d, a, b, k[3], 14, -187363961);
    b = gg(b, c, d, a, k[8], 20, 1163531501);
    a = gg(a, b, c, d, k[13], 5, -1444681467);
    d = gg(d, a, b, c, k[2], 9, -51403784);
    c = gg(c, d, a, b, k[7], 14, 1735328473);
    b = gg(b, c, d, a, k[12], 20, -1926607734);

    a = hh(a, b, c, d, k[5], 4, -378558);
    d = hh(d, a, b, c, k[8], 11, -2022574463);
    c = hh(c, d, a, b, k[11], 16, 1839030562);
    b = hh(b, c, d, a, k[14], 23, -35309556);
    a = hh(a, b, c, d, k[1], 4, -1530992060);
    d = hh(d, a, b, c, k[4], 11, 1272893353);
    c = hh(c, d, a, b, k[7], 16, -155497632);
    b = hh(b, c, d, a, k[10], 23, -1094730640);
    a = hh(a, b, c, d, k[13], 4, 681279174);
    d = hh(d, a, b, c, k[0], 11, -358537222);
    c = hh(c, d, a, b, k[3], 16, -722521979);
    b = hh(b, c, d, a, k[6], 23, 76029189);
    a = hh(a, b, c, d, k[9], 4, -640364487);
    d = hh(d, a, b, c, k[12], 11, -421815835);
    c = hh(c, d, a, b, k[15], 16, 530742520);
    b = hh(b, c, d, a, k[2], 23, -995338651);

    a = ii(a, b, c, d, k[0], 6, -198630844);
    d = ii(d, a, b, c, k[7], 10, 1126891415);
    c = ii(c, d, a, b, k[14], 15, -1416354905);
    b = ii(b, c, d, a, k[5], 21, -57434055);
    a = ii(a, b, c, d, k[12], 6, 1700485571);
    d = ii(d, a, b, c, k[3], 10, -1894986606);
    c = ii(c, d, a, b, k[10], 15, -1051523);
    b = ii(b, c, d, a, k[1], 21, -2054922799);
    a = ii(a, b, c, d, k[8], 6, 1873313359);
    d = ii(d, a, b, c, k[15], 10, -30611744);
    c = ii(c, d, a, b, k[6], 15, -1560198380);
    b = ii(b, c, d, a, k[13], 21, 1309151649);
    a = ii(a, b, c, d, k[4], 6, -145523070);
    d = ii(d, a, b, c, k[11], 10, -1120210379);
    c = ii(c, d, a, b, k[2], 15, 718787259);
    b = ii(b, c, d, a, k[9], 21, -343485551);

    x[0] = add32(a, x[0]);
    x[1] = add32(b, x[1]);
    x[2] = add32(c, x[2]);
    x[3] = add32(d, x[3]);
  }

  function cmn(q, a, b, x, s, t) {
    a = add32(add32(a, q), add32(x, t));
    return add32((a << s) | (a >>> (32 - s)), b);
  }

  function ff(a, b, c, d, x, s, t) {
    return cmn((b & c) | ((~b) & d), a, b, x, s, t);
  }

  function gg(a, b, c, d, x, s, t) {
    return cmn((b & d) | (c & (~d)), a, b, x, s, t);
  }

  function hh(a, b, c, d, x, s, t) {
    return cmn(b ^ c ^ d, a, b, x, s, t);
  }

  function ii(a, b, c, d, x, s, t) {
    return cmn(c ^ (b | (~d)), a, b, x, s, t);
  }

  function md51(s) {
    var txt = '';
    var n = s.length;
    var state = [1732584193, -271733879, -1732584194, 271733878];
    var i;

    for (i = 64; i <= s.length; i += 64) {
      md5cycle(state, md5blk(s.substring(i - 64, i)));
    }

    s = s.substring(i - 64);

    var tail = new Array(16).fill(0);

    for (i = 0; i < s.length; i++) {
      tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3);
    }

    tail[i >> 2] |= 0x80 << ((i % 4) << 3);

    if (i > 55) {
      md5cycle(state, tail);
      tail = new Array(16).fill(0);
    }

    tail[14] = n * 8;
    md5cycle(state, tail);

    return state;
  }

  function md5blk(s) {
    var md5blks = [];
    var i;

    for (i = 0; i < 64; i += 4) {
      md5blks[i >> 2] =
        s.charCodeAt(i) +
        (s.charCodeAt(i + 1) << 8) +
        (s.charCodeAt(i + 2) << 16) +
        (s.charCodeAt(i + 3) << 24);
    }

    return md5blks;
  }

  var hexChr = '0123456789abcdef'.split('');

  function rhex(n) {
    var s = '';
    var j;

    for (j = 0; j < 4; j++) {
      s += hexChr[(n >> (j * 8 + 4)) & 0x0F] + hexChr[(n >> (j * 8)) & 0x0F];
    }

    return s;
  }

  function md5(s) {
    return md51(s).map(rhex).join('');
  }

  function add32(a, b) {
    return (a + b) & 0xFFFFFFFF;
  }

  function normalizeFileName(name) {
    return String(name || '')
      .replace(/^File:/i, '')
      .replace(/ /g, '_');
  }

  function directImageUrl(fileName) {
    var clean = normalizeFileName(fileName);
    var hash = md5(clean);
    return '/images/' + hash.charAt(0) + '/' + hash.substring(0, 2) + '/' + encodeURIComponent(clean);
  }

  function buildGallery(targetId, categoryTitle, emptyText) {
    var target = document.getElementById(targetId);

    if (!target) {
      return;
    }

    var apiUrl =
      '/api.php?action=query' +
      '&generator=categorymembers' +
      '&gcmtitle=' + encodeURIComponent(categoryTitle) +
      '&gcmlimit=50' +
      '&gcmsort=sortkey' +
      '&gcmdir=ascending' +
      '&prop=pageimages|info' +
      '&piprop=name' +
      '&inprop=url' +
      '&format=json';

    fetch(apiUrl, { credentials: 'same-origin' })
      .then(function (response) {
        return response.json();
      })
      .then(function (data) {
        var pagesObj = data && data.query && data.query.pages ? data.query.pages : {};
        var pages = Object.keys(pagesObj).map(function (key) {
          return pagesObj[key];
        });

        pages.sort(function (a, b) {
          return String(a.title || '').localeCompare(String(b.title || ''), 'it');
        });

        pages = pages.filter(function (page) {
          return page.pageimage && page.fullurl;
        }).slice(0, 10);

        if (!pages.length) {
          target.innerHTML = '<div class="wikiness-gallery-empty">' + emptyText + '</div>';
          return;
        }

        var html = '<div class="wikiness-dynamic-gallery-grid">';

        pages.forEach(function (page) {
          var title = page.title || '';
          var img = directImageUrl(page.pageimage);
          var url = page.fullurl;

          html += ''
            + '<a class="wikiness-dynamic-gallery-card" href="' + escapeHtml(url) + '">'
            + '<span class="wikiness-dynamic-gallery-thumb">'
            + '<img src="' + escapeHtml(img) + '" alt="' + escapeHtml(title) + '" loading="lazy">'
            + '</span>'
            + '<span class="wikiness-dynamic-gallery-title">' + escapeHtml(title) + '</span>'
            + '</a>';
        });

        html += '</div>';
        target.innerHTML = html;
      })
      .catch(function () {
        target.innerHTML = '<div class="wikiness-gallery-empty">' + emptyText + '</div>';
      });
  }

  document.addEventListener('DOMContentLoaded', function () {
    buildGallery(
      'wikiness-gallery-professionisti',
      'Categoria:- Pagine con immagini',
      'Nessuna immagine disponibile.'
    );

    buildGallery(
      'wikiness-gallery-loghi',
      'Categoria:- Pagine con loghi',
      'Nessun logo disponibile.'
    );
  });
}());
/* WIKINESS_DYNAMIC_GALLERY_END */