https://valentin.app/js/uule.js

1function decodeUULEstr(uuleStr) {
2  var arr = uuleStr.split('+');
3  if (arr.length != 2) {
4    console.log('length unexpected; should be 2 elements')
5    return false;
6  }
7  var prefix = arr[0];
8  var b64Str = arr[1];
9  switch (prefix) {
10    case 'w':
11      return decodeUULEw(b64Str);
12      break;
13    case 'a':
14      return decodeUULEa(b64Str);
15      break;
16    default:
17      console.log('unexpected prefix');
18      return false;
19  }
20  // this should never happen
21  return false;
22}
23
24function decodeUULEw(b64Str) {
25  // decode URIencoding
26  b64Str = decodeURIComponent(b64Str);
27  // revert urlsafe changes for base64
28  b64Str = b64Str
29    .replace(/\-/g, '+') // Convert '-' to '+'
30    .replace(/\_/g, '/'); // Convert '_' to '/'
31  // base64 decode
32  var data = base64js.toByteArray(b64Str);
33
34  // protobuffer decode and return
35  return pbUULE.decode(data);
36}
37
38function encodeUULEw(data) {
39  // protobuffer encode
40  var pbArr = pbUULE.encode(data).finish();
41  // base64 encode
42  var b64Str = base64js.fromByteArray(pbArr);
43  // make urlsafe
44  b64Str = b64Str
45    .replace(/\+/g, '-') // Convert '+' to '-'
46    .replace(/\//g, '_'); // Convert '/' to '_'
47  // encode as URI component
48  b64Str = encodeURIComponent(b64Str);
49  // prefix with 'w+' and return
50  return 'w+'+b64Str;
51}
52
53function decodeUULEa(b64Str) {
54  // decode URIencoding
55  b64Str = decodeURIComponent(b64Str);
56  // revert urlsafe changes for base64
57  b64Str = b64Str
58    .replace(/\-/g, '+') // Convert '-' to '+'
59    .replace(/\_/g, '/'); // Convert '_' to '/'
60  // base64 decode and return
61  return atob(b64Str);
62}
63
64function encodeUULEa(txt) {
65  // base64 encode
66  var b64Str = btoa(txt);
67  // make urlsafe
68  b64Str = b64Str
69    .replace(/\+/g, '-') // Convert '+' to '-'
70    .replace(/\//g, '_'); // Convert '/' to '_'
71  // encode as URI component
72  b64Str = encodeURIComponent(b64Str);
73  // prefix with 'a+' and return
74  return 'a+'+b64Str;
75}
76
77function linkGoogleSearch(uule) {
78  var href = 'https://www.google.com/search?q=where+am+i&hl=en&gl=US&uule='+uule;
79  return href;
80}
81
82var pbUULE;
83$(document).ready(function() {
84  protobuf.load("js/uule.proto?rnd="+Math.random(), function(err, root) {
85    if (err) throw err;
86    pbUULE = root.lookupType("Uule");
87  });
88
89  // version 1 'w+CAIQICI…'
90  $('#button-decode-uule-w').on('click', function() {
91    var uuleStr = $('#uule-w-input').val();
92    var href = linkGoogleSearch(uuleStr);
93    $('#anchor-uule-w').attr('href', href);
94    var data = decodeUULEstr(uuleStr);
95    if (data) {
96      $('#pbCanonical').val(data.canonicalName);
97      $('#pbProducer').val(data.producer);
98      $('#pbRole').val(data.role);
99    } else {
100      console.log('something went wrong');
101    }
102  });
103  $('#button-encode-uule-w').on('click', function() {
104    var data = {
105      role: $('#pbRole').val(),
106      producer: $('#pbProducer').val(),
107      canonicalName: $('#pbCanonical').val()
108    }
109    var b64Str = encodeUULEw(data);
110    $('#uule-w-input').val(b64Str);
111    var href = linkGoogleSearch(b64Str);
112    $('#anchor-uule-w').attr('href', href);
113  });
114
115  // version 2 'a+CAIQICI…'
116  $('#button-decode-uule-a').on('click', function() {
117    var uuleStr = $('#uule-a-input').val();
118    var b64Str = decodeUULEstr(uuleStr);
119    if (b64Str) {
120      $('#uule-a-output').val(b64Str);
121      var href = linkGoogleSearch(uuleStr);
122      $('#anchor-uule-a').attr('href', href);
123    } else {
124      console.log('something went wrong');
125    }
126  });
127  $('#button-encode-uule-a').on('click', function() {
128    var txt = $('#uule-a-output').val();
129    var b64Str = encodeUULEa(txt);
130    $('#uule-a-input').val(b64Str);
131
132    var href = linkGoogleSearch(b64Str);
133    $('#anchor-uule-a').attr('href', href);
134  });
135});