Added an anonymizer for the graph display, which scrambles characters…

… randomly

modules/analyze/html/anonymizer.js

@@ -0,0 +1,258 @@
+(function (root, factory) {
+    'use strict';
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define([], factory);
+    }
+    else if (typeof exports === 'object') {
+        // Node. Does not work with strict CommonJS, but
+        // only CommonJS-like environments that support module.exports,
+        // like Node.
+        module.exports = factory();
+    }
+    else {
+        // Browser globals (root is window)
+        root.DataAnonymizer = factory();
+    }
+}(this, function () {
+    'use strict';
+
+    var seedrandom;
+    if (typeof exports === 'object') {
+        seedrandom = require('seedrandom');
+    }
+
+    var DataAnonymizer = function (args) {
+        var self = this;
+
+        self.init = function (args) {
+            if (!args) {
+                args = {};
+            }
+            if (!args.hasOwnProperty('diacritics')) {
+                args.diacritics = true;
+            }
+
+            if (args.seed) {
+                if (typeof Math.seedrandom === 'undefined') {
+                    console.warn('Seed option was given, but "seedrandom" is not available. ' +
+                        'Ignoring seed option.');
+                }
+                self.seed = args.seed;
+            }
+            else {
+                self.seed = (new Date()).getTime();
+            }
+
+            self.charClasses = [
+                {
+                    name: 'uppercase',
+                    chars: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+                },
+                {
+                    name: 'lowercase',
+                    chars: 'abcdefghijklmnopqrstuvwxyz',
+                },
+                {
+                    name: 'number',
+                    chars: '0123456789',
+                }
+            ];
+
+            if (args.diacritics) {
+                var diacriticsData = getDiacriticsData();
+                var duc = {
+                    name: 'diacritic uppercase',
+                    chars: '',
+                };
+                var dlc = {
+                    name: 'diacritic lowercase',
+                    chars: '',
+                };
+                diacriticsData.forEach(function (dd) {
+                    if (/^[A-Z].*/.test(dd.base)) {
+                        // For simplicity's sake, diacritics that are one uppercase
+                        // and one lowercase letter (e.g. Dz) are put with the uppercase
+                        // letters.
+                        duc.chars += dd.letters;
+                    }
+                    else {
+                        dlc.chars += dd.letters;
+                    }
+                });
+                self.charClasses.push(duc);
+                self.charClasses.push(dlc);
+            }
+        };
+
+        self.anonymize = function (string) {
+            if (typeof seedrandom === 'function') {
+                /* jshint undef:false */
+                self.rng = seedrandom(self.seed + string);
+            }
+
+            if (typeof Math.seedrandom === 'function') {
+                Math.seedrandom(self.seed + string);
+            }
+
+            // These below 2 lines should work, but for some reason they don't
+            // lead to a predictable state.
+            // 
+            // var rng = seedrandom(self.seed);
+            // rng = seedrandom(string, { entropy: true });
+
+            return string
+                .split('')
+                .map(function (char) {
+                    return self.getNewChar(char);
+                })
+                .join('');
+        };
+
+        self.getCharClass = function (char) {
+            var ccs = self.charClasses.filter(function (cc) {
+                return cc.chars.indexOf(char) >= 0;
+            });
+
+            if (ccs.length > 0) {
+                return ccs[0];
+            }
+            else {
+                // Create a fake class with only this character in it, for
+                // consistency reasons. This will make sure that characters
+                // with this class are 'replaced' by themselves, i.e. not
+                // changed.
+                return {
+                    name: 'other',
+                    chars: char,
+                }
+            }
+        };
+
+        self.getRandomChar = function (charClass) {
+            // Special case for the 'other' character class. Also saves a bit of time.
+            if (charClass.chars.length === 1) {
+                return charClass.chars;
+            }
+
+            return charClass.chars[self.getRandomInt(charClass.chars.length)];
+        }
+
+        self.getNewChar = function (char) {
+            var cc = self.getCharClass(char);
+
+            return self.getRandomChar(cc);
+        };
+
+        // Returns a pseudo random integer between 0 (inclusive) and max (exclusive).
+        // This might not be the best performing algorithm, but if performance
+        // becomes an issue, we can optimise later.
+        self.getRandomInt = function (max) {
+            if (self.rng) {
+                return Math.floor(self.rng() * max);
+            }
+            else {
+                return Math.floor(Math.random() * max);
+            }
+        };
+
+        self.init(args);
+
+        // End of initialization.
+    };
+
+    // This function was borrowed/stolen/copied from
+    // http://stackoverflow.com/questions/990904/javascript-remove-accents-diacritics-in-strings
+    function getDiacriticsData() {
+        return [
+            { 'base': 'A', 'letters': '\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F' },
+            { 'base': 'AA', 'letters': '\uA732' },
+            { 'base': 'AE', 'letters': '\u00C6\u01FC\u01E2' },
+            { 'base': 'AO', 'letters': '\uA734' },
+            { 'base': 'AU', 'letters': '\uA736' },
+            { 'base': 'AV', 'letters': '\uA738\uA73A' },
+            { 'base': 'AY', 'letters': '\uA73C' },
+            { 'base': 'B', 'letters': '\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181' },
+            { 'base': 'C', 'letters': '\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E' },
+            { 'base': 'D', 'letters': '\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779' },
+            { 'base': 'DZ', 'letters': '\u01F1\u01C4' },
+            { 'base': 'Dz', 'letters': '\u01F2\u01C5' },
+            { 'base': 'E', 'letters': '\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E' },
+            { 'base': 'F', 'letters': '\u0046\u24BB\uFF26\u1E1E\u0191\uA77B' },
+            { 'base': 'G', 'letters': '\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E' },
+            { 'base': 'H', 'letters': '\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D' },
+            { 'base': 'I', 'letters': '\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197' },
+            { 'base': 'J', 'letters': '\u004A\u24BF\uFF2A\u0134\u0248' },
+            { 'base': 'K', 'letters': '\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2' },
+            { 'base': 'L', 'letters': '\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780' },
+            { 'base': 'LJ', 'letters': '\u01C7' },
+            { 'base': 'Lj', 'letters': '\u01C8' },
+            { 'base': 'M', 'letters': '\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C' },
+            { 'base': 'N', 'letters': '\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4' },
+            { 'base': 'NJ', 'letters': '\u01CA' },
+            { 'base': 'Nj', 'letters': '\u01CB' },
+            { 'base': 'O', 'letters': '\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C' },
+            { 'base': 'OI', 'letters': '\u01A2' },
+            { 'base': 'OO', 'letters': '\uA74E' },
+            { 'base': 'OU', 'letters': '\u0222' },
+            { 'base': 'OE', 'letters': '\u008C\u0152' },
+            { 'base': 'oe', 'letters': '\u009C\u0153' },
+            { 'base': 'P', 'letters': '\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754' },
+            { 'base': 'Q', 'letters': '\u0051\u24C6\uFF31\uA756\uA758\u024A' },
+            { 'base': 'R', 'letters': '\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782' },
+            { 'base': 'S', 'letters': '\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784' },
+            { 'base': 'T', 'letters': '\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786' },
+            { 'base': 'TZ', 'letters': '\uA728' },
+            { 'base': 'U', 'letters': '\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244' },
+            { 'base': 'V', 'letters': '\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245' },
+            { 'base': 'VY', 'letters': '\uA760' },
+            { 'base': 'W', 'letters': '\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72' },
+            { 'base': 'X', 'letters': '\u0058\u24CD\uFF38\u1E8A\u1E8C' },
+            { 'base': 'Y', 'letters': '\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE' },
+            { 'base': 'Z', 'letters': '\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762' },
+            { 'base': 'a', 'letters': '\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250' },
+            { 'base': 'aa', 'letters': '\uA733' },
+            { 'base': 'ae', 'letters': '\u00E6\u01FD\u01E3' },
+            { 'base': 'ao', 'letters': '\uA735' },
+            { 'base': 'au', 'letters': '\uA737' },
+            { 'base': 'av', 'letters': '\uA739\uA73B' },
+            { 'base': 'ay', 'letters': '\uA73D' },
+            { 'base': 'b', 'letters': '\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253' },
+            { 'base': 'c', 'letters': '\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184' },
+            { 'base': 'd', 'letters': '\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A' },
+            { 'base': 'dz', 'letters': '\u01F3\u01C6' },
+            { 'base': 'e', 'letters': '\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD' },
+            { 'base': 'f', 'letters': '\u0066\u24D5\uFF46\u1E1F\u0192\uA77C' },
+            { 'base': 'g', 'letters': '\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F' },
+            { 'base': 'h', 'letters': '\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265' },
+            { 'base': 'hv', 'letters': '\u0195' },
+            { 'base': 'i', 'letters': '\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131' },
+            { 'base': 'j', 'letters': '\u006A\u24D9\uFF4A\u0135\u01F0\u0249' },
+            { 'base': 'k', 'letters': '\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3' },
+            { 'base': 'l', 'letters': '\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747' },
+            { 'base': 'lj', 'letters': '\u01C9' },
+            { 'base': 'm', 'letters': '\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F' },
+            { 'base': 'n', 'letters': '\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5' },
+            { 'base': 'nj', 'letters': '\u01CC' },
+            { 'base': 'o', 'letters': '\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275' },
+            { 'base': 'oi', 'letters': '\u01A3' },
+            { 'base': 'ou', 'letters': '\u0223' },
+            { 'base': 'oo', 'letters': '\uA74F' },
+            { 'base': 'p', 'letters': '\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755' },
+            { 'base': 'q', 'letters': '\u0071\u24E0\uFF51\u024B\uA757\uA759' },
+            { 'base': 'r', 'letters': '\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783' },
+            { 'base': 's', 'letters': '\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B' },
+            { 'base': 't', 'letters': '\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787' },
+            { 'base': 'tz', 'letters': '\uA729' },
+            { 'base': 'u', 'letters': '\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289' },
+            { 'base': 'v', 'letters': '\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C' },
+            { 'base': 'vy', 'letters': '\uA761' },
+            { 'base': 'w', 'letters': '\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73' },
+            { 'base': 'x', 'letters': '\u0078\u24E7\uFF58\u1E8B\u1E8D' },
+            { 'base': 'y', 'letters': '\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF' },
+            { 'base': 'z', 'letters': '\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763' }
+        ];
+    }
+
+    return DataAnonymizer;
+}));

modules/analyze/html/graph.js

@@ -533,12 +533,14 @@ function nodelabel(ele) {
             return label
         case "off":
             return "";
-        case "random":
-            return "fixme scrambler here";
+        case "anonymize":
+            return anonymizer.anonymize(ele.data("label"));
     }
     return "error";
 }
 
+var anonymizer = new DataAnonymizer();
+
 function renderedge(ele) {
     return rendernode(ele.source()) + rendermethods(ele) + rendernode(ele.target());
 }
@@ -577,7 +579,11 @@ function renderdetails(data) {
         result += "<tr><td>" + attr + "</td><td>"
         attrvalues = data.attributes[attr]
         for (var i in attrvalues) {
-            result += attrvalues[i] + "</br>";
+            if ($("#graphlabels").val() == "anonymize") {
+                result += anonymizer.anonymize(attrvalues[i]) + "</br>";
+            } else {
+                result += attrvalues[i] + "</br>";
+            }
         }
         result += "</td></tr>"
     }

modules/analyze/html/index.html

@@ -36,6 +36,7 @@
   <script src="external/cose-base.js"></script>
   <script src="external/cytoscape-fcose.js"></script>
 
+  <script src="anonymizer.js"></script>
   <script src="preferences.js"></script>
   <script src="graph.js"></script>
   <script src="custom.js"></script>
@@ -164,7 +165,7 @@
             <select class="form-control" id="graphlabels" preference="graph.labels" defaultpref="normal">
               <option value="normal">Normal</option>
               <option value="off">Off</option>
-              <!-- <option value="random">Random</option> -->
+              <option value="anonymize">Anonymize</option>
             </select>
           </div>
         </details>