105 lines
2.8 KiB
JavaScript
105 lines
2.8 KiB
JavaScript
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var CSRF = $( "input[name='csrfmiddlewaretoken']" ).val();
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function csrfSafeMethod(method) {
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// these HTTP methods do not require CSRF protection
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return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
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}
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function showSetupDialog(titleTxt, bodyTxt) {
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var modalDialog = $('#EventSetupModalDialog');
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var title = modalDialog.find('.modal-title');
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var body = modalDialog.find('.modal-body');
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title.text(titleTxt);
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var bodyText = bodyTxt;
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var p = document.createElement("p");
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p.innerHTML = bodyText;
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body.empty();
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body.append( p );
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modalDialog.modal('show');
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}
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function generateKeys() {
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var parameter = $("#event-param").val();
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var tempParams = JSON.parse(JSON.parse(parameter).crypto);
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//the full objects need to be initalised as per the library, then copy the values we need into it
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//I follow Bingsheng's code as to what objects are used in the parameter object
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var ctx = new CTX("BN254CX"); //new context we can use
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var n = new ctx.BIG();
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var g1 = new ctx.ECP();
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var g2 = new ctx.ECP2();
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//copying the values
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n.copy(tempParams.n);
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g1.copy(tempParams.g1);
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g2.copy(tempParams.g2);
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var params = {
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n:n,
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g1:g1,
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g2:g2
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}
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var PKbytes = [];
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var SKbytes = [];
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var keypair = keyGen(params);
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keypair.PK.toBytes(PKbytes);
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keypair.SK.toBytes(SKbytes);
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var PKB64Encoded = "";
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for(let i = 0; i < PKbytes.length; i++) {
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PKB64Encoded += btoa(PKbytes[i]);
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}
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var SKB64Encoded = "";
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for(let j = 0; j < SKbytes.length; j++) {
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SKB64Encoded += btoa(SKbytes[j]);
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}
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$('input#public-key').val(PKB64Encoded);
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$('input#secret-key').val(SKB64Encoded);
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//mostly code from before here
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var blob = new Blob([SKB64Encoded], {type : 'text/plain'});
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var dlBtn = $('a#download-btn');
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var url = URL.createObjectURL(blob);
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$(dlBtn).attr("href", url);
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let fileName = "sk-" + EVENT_TITLE.replace(/[\W]/g, "-");
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$(dlBtn).attr("download", fileName);
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$(dlBtn).attr("disabled", false);
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$("#public-submit").attr("disabled", false);
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}
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function onAfterKeySend() {
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showSetupDialog('Public Key Successfully Received',
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'Thank you! You can now close down this page.');
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}
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function submitPublicKey() {
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$.ajaxSetup({
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beforeSend: function(xhr, settings) {
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if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
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xhr.setRequestHeader("X-CSRFToken", CSRF);
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}
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}
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});
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$.ajax({
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type : "POST",
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url : window.location,
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data : { public_key: $('input#public-key').val() },
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success : function(){
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onAfterKeySend();
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}
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});
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}
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$('#EventSetupModalDialog').on('hide.bs.modal', function (e) {
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// Update page to reflect the fact that the PK submission has taken place
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location.reload();
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});
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