Import booth from helios-server

helios/booth/.gitignore

+*~
\ No newline at end of file

helios/booth/README.txt

+The Helios Booth
+================
+
+LICENSE: this code is released under the GPL v3 or later.
\ No newline at end of file

helios/booth/boothworker.js

+/*
+ * JavaScript HTML 5 Worker for BOOTH
+ */
+
+// import needed resources
+importScripts("js/underscore-min.js");
+
+importScripts("js/jscrypto/jsbn.js",
+	      "js/jscrypto/jsbn2.js",
+	      "js/jscrypto/sjcl.js",
+	      "js/jscrypto/class.js",
+	      "js/jscrypto/bigint.js",
+	      "js/jscrypto/random.js",
+	      "js/jscrypto/elgamal.js",
+	      "js/jscrypto/sha1.js",
+	      "js/jscrypto/sha2.js",
+	      "js/jscrypto/helios.js");
+
+var console = {
+    'log' : function(msg) {
+	self.postMessage({'type':'log','msg':msg});
+    }
+};
+
+var ELECTION = null;
+var Q_NUM = null;
+
+function do_setup(message) {
+    console.log("setting up worker " + message.question_num);
+
+    ELECTION = HELIOS.Election.fromJSONString(message.election);
+    Q_NUM = message.question_num;
+}
+
+function do_encrypt(message) {
+    console.log("encrypting answer for question " + ELECTION.questions[Q_NUM]);
+
+    var encrypted_answer = new HELIOS.EncryptedAnswer(ELECTION.questions[Q_NUM], message.answer, ELECTION.public_key);
+
+    console.log("done encrypting");
+
+    // send the result back
+    self.postMessage({
+	    'type': 'result',
+		'encrypted_answer': encrypted_answer.toJSONObject(true),
+		'id':message.id
+		});
+}
+
+// receive either
+// a) an election and an integer position of the question
+// that this worker will be used to encrypt
+// {'type': 'setup', 'question_num' : 2, 'election' : election_json}
+//
+// b) an answer that needs encrypting
+// {'type': 'encrypt', 'answer' : answer_json}
+//
+self.onmessage = function(event) {
+    // dispatch to method
+    self['do_' + event.data.type](event.data);
+}

helios/booth/css/booth.css

+
+body {
+  font-family: Arial;
+  background: white;
+  padding: 0px;
+  margin: 0px;
+}
+
+#wrapper {
+  position: absolute;
+  padding: 0px;
+  background: white;
+  border: 1px solid #666;
+  top: 2%;
+  margin-left: 5%;
+  margin-top: 0px;
+  width: 90%;
+}
+
+#content {
+  padding: 20px 30px 20px 30px;
+}
+
+#header {
+  padding-top: 0px;
+  text-align: center;
+  padding-bottom: 5px;
+}
+
+#header h1 {
+  font-size: 28pt;
+  padding: 0px;
+  margin: 0px;
+  line-height: 120%;
+}
+
+#header h2 {
+  font-size: 20pt;
+  padding: 0px;
+  margin: 0px;
+  line-height: 100%;
+  font-weight: none;
+}
+
+#banner {
+  width: 100%;
+  text-align: center;
+  padding: 2px 0px 2px 0px;
+  background: #ccc;
+  font-size: 18pt;
+  border-bottom: 1px solid #666;
+}
+
+#progress_div {
+  width: 100%;
+  font-size: 14pt;
+}
+
+#progress_div table {
+  border-collapse: collapse;
+  text-align: center;
+  border: 0px;
+}
+
+#progress_div td.unselected {
+  background: #ccc;
+  color: #888;
+  border: 1px solid #333;
+}
+
+#progress_div td.selected {
+  background: #fc9;
+  color: black;
+  font-weight: bold;
+  border: 1px solid black;
+}
+
+#footer {
+  position: relative;
+  bottom: 0px;
+  width: 100%;
+  text-align: center;
+  margin-top: 10px;
+  padding: 2px 0px 2px 0px;
+  background: #ddd;
+  border-top: 1px solid #666;
+}
+
+#page h2 {
+  background: #fc9;
+  border-bottom: 1px solid #f90;
+  padding: 5px 0px 2px 5px;
+}
+
+h3 {
+	font-size: 1.6em;
+}
+
+#election_info {
+  font-size: 16pt;
+}
+
+#election_hash {
+  font-family: courier;
+}
+}
\ No newline at end of file

helios/booth/css/forms.css

+
+form.prettyform {
+  font-size: 1.4em;
+}
+
+form.prettyform label,input,textarea,select {
+    line-height: 1.8;
+}
+
+form.prettyform label {
+    display: block;
+    text-align: right;
+    float: left;
+    width: 200px;
+    padding-right: 10px;
+}
+
+form.prettyform br {
+    clear: left;
+}
+
+form.prettyform input, form.prettyform textarea, button {
+    border: 1px solid black;
+    margin: 5px;
+    font-size: 16pt;
+}
+
+input.pretty {
+    font-size: 16pt;
+    border: 1px solid black;
+}
+
+input.prettysmall {
+    font-size: 12pt;
+    border: 1px solid black;
+}
+
+
+table.pretty {
+    margin: 1em 1em 1em 2em;
+    background: whitesmoke;
+    border-collapse: collapse;
+    width: 80%;
+}
+
+table.pretty th, td {
+    border: 1px silver solid;
+    padding: 0.3em;
+}
+
+
+#answers {
+    padding-left: 210px;
+    padding-top: 0px;
+    margin-top: 0px;
+}
+
+#questions_div {
+    font-size: 1.4em;
+}
+
+div.selected {
+  background: lightblue;
+}
+

helios/booth/css/style.css

+a:link {color:#00a;}
+
+a:visited {color:#00a;}
+
+a:active {color:blue;}
+
+a:hover, a.subfoot:hover, a.linknav:hover, a.sublinknav:hover {color:blue;text-decoration:underline;}
+
+body {
+	margin:0px;
+	padding: 0px;
+	background:#ddd;
+	font-family: "Trebuchet MS",verdana,sans-serif;
+	font-size: 14px;
+	color:#333;
+}
+
+#container {
+    margin-top:20px;
+	margin-right:50px;
+	margin-left:50px;
+	background:white;
+	border-top:1px solid #666;
+	border-left:1px solid #666;
+	border-right:1px solid #666;
+	border-bottom:1px solid #666;
+    background-color: white;
+    padding-top: 0px;
+    padding-bottom: 0px;
+    padding-left: 0px;
+    padding-right: 0px;
+}
+
+#content {
+    padding: 20px;
+    font-size: 1.3em;
+}
+
+.selected {
+    background: lightblue;
+    display: inline-block;
+}
+
+h1, h2, h3, h4, pre {
+    line-height:120%;
+    margin: 0px;
+}
+
+p {
+	line-height:120%;
+}
+
+h1 {
+    padding: 30px;
+    font-size: 2em;
+    text-align: center;
+    background: #eee;
+    border-bottom: 1px solid #888;
+}
+
+h2 {
+	font-size: 2em;
+}
+
+h3 {
+	font-size: 1.8em;
+}
+
+#election {
+    background: white;
+    border: 1px solid black;
+}
+
+#question-menu {
+    border-right: 1px dotted #888;
+    background: #eee;
+    height: 40em;
+    width: 14em;
+}
+
+#question {
+    background: #fff;
+    height: 39em;
+    margin-left: 14.05em;
+    padding-left: 1em;
+    padding-top: 1em;
+}
+
+.question_short {
+  padding-top: 15px;
+  padding-bottom: 10px;
+  padding-left: 5px;
+  font-size: 18pt;
+  border-bottom: 1px dotted #888;
+}
+
+
+.question_selected {
+  padding-top: 15px;
+  padding-bottom: 10px;
+  padding-left: 5px;
+  margin-right: -1px;
+  font-size: 18pt;
+  border-bottom: 1px dotted #888;
+  background: #fff;
+}
+
+#navigation {
+    position: relative;
+    bottom: 10px;
+    padding-left: 210px;
+    padding-right: 10px;
+    text-align: center;
+}
+
+.data {
+    font-family: courier;
+}
+

helios/booth/election.json

+{"cast_url": "http://localhost:8000/cast/", "uuid": "82cd836a-65f4-11de-8c90-001b63948875", "name": "Distributed Proofreaders Foundation", "openreg": true, "public_key": {"g": "68111451286792593845145063691659993410221812806874234365854504719057401858372594942893291581957322023471947260828209362467690671421429979048643907159864269436501403220400197614308904460547529574693875218662505553938682573554719632491024304637643868603338114042760529545510633271426088675581644231528918421974", "p": "169989719781940995935039590956086833929670733351333885026079217526937746166790934510618940073906514429409914370072173967782198129423558224854191320917329420870526887804017711055077916007496804049206725568956610515399196848621653907978580213217522397058071043503404700268425750722626265208099856407306527012763", "q": "84994859890970497967519795478043416964835366675666942513039608763468873083395467255309470036953257214704957185036086983891099064711779112427095660458664710435263443902008855527538958003748402024603362784478305257699598424310826953989290106608761198529035521751702350134212875361313132604049928203653263506381", "y": "166381348774608583478438068541900979308284008775524113662477325596101906734254387151724992928319196422498626340355054333287202185267035983610044362456796963319559762922405260105538812887763994476127275234333452789887229585512484617401407171125923170313708217690722245099929673448997254171816215353834880048567"}, "questions": [{"answer_urls": ["http:\/\/www.pgdp.net\/phpBB2\/viewtopic.php?p=539704#539704", "http:\/\/www.pgdp.net\/phpBB2\/viewtopic.php?p=539706#539706", "http:\/\/www.pgdp.net\/phpBB2\/viewtopic.php?p=539708#539708", "http:\/\/www.pgdp.net\/phpBB2\/viewtopic.php?p=539709#539709", "http:\/\/www.pgdp.net\/phpBB2\/viewtopic.php?p=539710#539710"], "answers": ["fvandrog: Frank van Drogen", "jhutch: Joshua Hutchinson", "rfrank: Roger Frank", "Simple Simon: David Jones", "TheEileen: Eileen Gormly"], "max": 3, "question": "Please choose 3 of the following 5 people to serve as Board members of the Distributed Proofreaders Foundation. Names are in alphabetical order by DP ID.", "short_name": "Choose new DPF Board Members"}]}
\ No newline at end of file

helios/booth/js/jquery-jtemplates.js

+/* jTemplates 0.6.6 (http://jtemplates.tpython.com) Copyright (c) 2008 Tomasz Gloc (http://www.tpython.com)
+Please do not remove or modify above line. Thanks. Dual licensed under the MIT and GPL licenses. */
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A(s,q,j)}})})(8)}',62,245,'||||this|var||function|jQuery|if|return|param|new|||prototype||node||settings|||_name||||includes|||||||element|case|push|Template|se|null|delete|data|get|length|for|op|RegExp|count|replace|fn|break|ss|||oper|||objs|_option|that|ret|iteration|jTemplates|each||tmp|throw|eval|_templates_code|Error|false|TextNode|literalMode|url|else|_onTrue|jTemplate|_onFalse|match|url_|setTemplate|opIF|ckey|lastIndex|opFOREACH|literal|_currentState|step|filter|extend|undefined|cloneData|_tree|jTemplateSID|name|_param|key|tname|typeof|_templates|value|interval|in|MAIN|not|args|total|first|getParent|cval|Updater|switchToElse|last|_parent|par|elseif_level|_value|updater|index|Object|_index|sid|version|ajax|run|timer|escapeData|processTemplate|substring|elementName|async|_length|_lastSessionID|is|Cycle|cycle|filter_params|_values|UserParam|Include|_template|include|foreach|indexOf|jTemplateUpdater|_total|Number|arr|while|mode|setParam|op_|disallow_functions|parentNode|tab|iter|_includes|val|reg|noFunc|constructor|lt|grep|escapeHTML|detectDeletedNodes|_args|_interval|_url|defined|removeData|html|splitTemplates|responseText|default|begin|runnable_functions|processTemplateStop|window|_root|filter_data|object|switch|createTemplate|txt|continue|_arg|of|_cond|No|__a1|template|_literalMode|String|gt|quot|processTemplateStart||document|msie|amp|browser|setTimeout|getJSON|success|dataType|cache|processTemplateURL|removeTemplate|hasTemplate|im|CDATA|trim|substr|setTemplateElement|tag|unknown|closed|setTemplateURL|rdelim|ldelim|elements|no|has|json|values|find|Cannot|root|true|ceil|Math|elseif|exec|shift|split|ppp|as|inArray|end|__a0|allowed|are|Functions|Function|Array|createTemplateURL'.split('|'),0,{}))
\ No newline at end of file

helios/booth/js/jquery.json.min.js

+(function($){function toIntegersAtLease(n)
+{return n<10?'0'+n:n;}
+Date.prototype.toJSON=function(date)
+{return date.getUTCFullYear()+'-'+
+toIntegersAtLease(date.getUTCMonth()+1)+'-'+
+toIntegersAtLease(date.getUTCDate());};var escapeable=/["\\\x00-\x1f\x7f-\x9f]/g;var meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'};
+$.quoteString=function(string)
+{if(escapeable.test(string))
+{return'"'+string.replace(escapeable,function(a)
+{var c=meta[a];if(typeof c==='string'){return c;}
+c=a.charCodeAt();return'\\u00'+Math.floor(c/16).toString(16)+(c%16).toString(16);})+'"';}
+return'"'+string+'"';};
+$.toJSON=function(o)
+{var type=typeof(o);if(type=="undefined")
+return"null";else if(type=="number"||type=="boolean")
+return o+"";else if(o===null)
+return"null";if(type=="string")
+{return $.quoteString(o);}
+if(type=="object"&&typeof o.toJSONObject=="function")
+return $.toJSON(o.toJSONObject());if(type!="function"&&typeof(o.length)=="number")
+{var ret=[];for(var i=0;i<o.length;i++){ret.push($.toJSON(o[i]));}
+return"["+ret.join(", ")+"]";}
+if(type=="function"){throw new TypeError("Unable to convert object of type 'function' to json.");}
+ret=[];for(var k in o){var name;var type=typeof(k);if(type=="number")
+name='"'+k+'"';else if(type=="string")
+name=$.quoteString(k);else
+continue;val=$.toJSON(o[k]);if(typeof(val)!="string"){continue;}
+ret.push(name+": "+val);}
+return"{"+ret.join(", ")+"}";}
+$.evalJSON=function(src)
+{return eval("("+src+")");}
+$.secureEvalJSON=function(src)
+{var filtered=src;filtered=filtered.replace(/\\["\\\/bfnrtu]/g,'@');filtered=filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');filtered=filtered.replace(/(?:^|:|,)(?:\s*\[)+/g,'');if(/^[\],:{}\s]*$/.test(filtered))
+return eval("("+src+")");else
+throw new SyntaxError("Error parsing JSON, source is not valid.");}})(jQuery);
\ No newline at end of file

helios/booth/js/jquery.query-2.1.5.js

+/**
+ * jQuery.query - Query String Modification and Creation for jQuery
+ * Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
+ * Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
+ * Date: 2009/06/14
+ *
+ * @author Blair Mitchelmore
+ * @version 2.1.5
+ *
+ **/
+new function(settings) { 
+  // Various Settings
+  var $separator = settings.separator || '&';
+  var $spaces = settings.spaces === false ? false : true;
+  var $suffix = settings.suffix === false ? '' : '[]';
+  var $prefix = settings.prefix === false ? false : true;
+  var $hash = $prefix ? settings.hash === true ? "#" : "?" : "";
+  var $numbers = settings.numbers === false ? false : true;
+  
+  jQuery.query = new function() {
+    var is = function(o, t) {
+      return o != undefined && o !== null && (!!t ? o.constructor == t : true);
+    };
+    var parse = function(path) {
+      var m, rx = /\[([^[]*)\]/g, match = /^(\S+?)(\[\S*\])?$/.exec(path), base = match[1], tokens = [];
+      while (m = rx.exec(match[2])) tokens.push(m[1]);
+      return [base, tokens];
+    };
+    var set = function(target, tokens, value) {
+      var o, token = tokens.shift();
+      if (typeof target != 'object') target = null;
+      if (token === "") {
+        if (!target) target = [];
+        if (is(target, Array)) {
+          target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
+        } else if (is(target, Object)) {
+          var i = 0;
+          while (target[i++] != null);
+          target[--i] = tokens.length == 0 ? value : set(target[i], tokens.slice(0), value);
+        } else {
+          target = [];
+          target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
+        }
+      } else if (token && token.match(/^\s*[0-9]+\s*$/)) {
+        var index = parseInt(token, 10);
+        if (!target) target = [];
+        target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
+      } else if (token) {
+        var index = token.replace(/^\s*|\s*$/g, "");
+        if (!target) target = {};
+        if (is(target, Array)) {
+          var temp = {};
+          for (var i = 0; i < target.length; ++i) {
+            temp[i] = target[i];
+          }
+          target = temp;
+        }
+        target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
+      } else {
+        return value;
+      }
+      return target;
+    };
+    
+    var queryObject = function(a) {
+      var self = this;
+      self.keys = {};
+      
+      if (a.queryObject) {
+        jQuery.each(a.get(), function(key, val) {
+          self.SET(key, val);
+        });
+      } else {
+        jQuery.each(arguments, function() {
+          var q = "" + this;
+          q = q.replace(/^[?#]/,''); // remove any leading ? || #
+          q = q.replace(/[;&]$/,''); // remove any trailing & || ;
+          if ($spaces) q = q.replace(/[+]/g,' '); // replace +'s with spaces
+          
+          jQuery.each(q.split(/[&;]/), function(){
+            var key = decodeURIComponent(this.split('=')[0]);
+            var val = decodeURIComponent(this.split('=')[1]);
+            
+            if (!key) return;
+            
+            if ($numbers) {
+              if (/^[+-]?[0-9]+\.[0-9]*$/.test(val)) // simple float regex
+                val = parseFloat(val);
+              else if (/^[+-]?[0-9]+$/.test(val)) // simple int regex
+                val = parseInt(val, 10);
+            }
+            
+            val = (!val && val !== 0) ? true : val;
+            
+            if (val !== false && val !== true && typeof val != 'number')
+              val = val;
+            
+            self.SET(key, val);
+          });
+        });
+      }
+      return self;
+    };
+    
+    queryObject.prototype = {
+      queryObject: true,
+      has: function(key, type) {
+        var value = this.get(key);
+        return is(value, type);
+      },
+      GET: function(key) {
+        if (!is(key)) return this.keys;
+        var parsed = parse(key), base = parsed[0], tokens = parsed[1];
+        var target = this.keys[base];
+        while (target != null && tokens.length != 0) {
+          target = target[tokens.shift()];
+        }
+        return typeof target == 'number' ? target : target || "";
+      },
+      get: function(key) {
+        var target = this.GET(key);
+        if (is(target, Object))
+          return jQuery.extend(true, {}, target);
+        else if (is(target, Array))
+          return target.slice(0);
+        return target;
+      },
+      SET: function(key, val) {
+        var value = !is(val) ? null : val;
+        var parsed = parse(key), base = parsed[0], tokens = parsed[1];
+        var target = this.keys[base];
+        this.keys[base] = set(target, tokens.slice(0), value);
+        return this;
+      },
+      set: function(key, val) {
+        return this.copy().SET(key, val);
+      },
+      REMOVE: function(key) {
+        return this.SET(key, null).COMPACT();
+      },
+      remove: function(key) {
+        return this.copy().REMOVE(key);
+      },
+      EMPTY: function() {
+        var self = this;
+        jQuery.each(self.keys, function(key, value) {
+          delete self.keys[key];
+        });
+        return self;
+      },
+      load: function(url) {
+        var hash = url.replace(/^.*?[#](.+?)(?:\?.+)?$/, "$1");
+        var search = url.replace(/^.*?[?](.+?)(?:#.+)?$/, "$1");
+        return new queryObject(url.length == search.length ? '' : search, url.length == hash.length ? '' : hash);
+      },
+      empty: function() {
+        return this.copy().EMPTY();
+      },
+      copy: function() {
+        return new queryObject(this);
+      },
+      COMPACT: function() {
+        function build(orig) {
+          var obj = typeof orig == "object" ? is(orig, Array) ? [] : {} : orig;
+          if (typeof orig == 'object') {
+            function add(o, key, value) {
+              if (is(o, Array))