mirror of
https://github.com/Tygs/0bin.git
synced 2023-08-10 21:13:00 +03:00
144 lines
3.4 KiB
JavaScript
144 lines
3.4 KiB
JavaScript
;
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// Start random number generator seeding ASAP
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sjcl.random.startCollectors();
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zerobin = {
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encrypt: function(key, content) {
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return sjcl.encrypt(key, lzw.compress(content));
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},
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decrypt: function(key, content) {
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return lzw.decompress(sjcl.decrypt(key, content));
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},
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make_key: function() {
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return sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 0), 0);
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},
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/**
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Check for data uri support by trying to insert a 1x1px image.
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You can pass optional callbacks: "yes" for success, "no" for no support.
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Default behavior is to add data-uri or no-data-uri as a class in the body
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*/
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support_data_uri: function(yes, no){
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var data = new Image();
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var yes = yes || function(){ document.body.className += " data-uri"; };
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var no = no || function(){ document.body.className += " no-data-uri"; };
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data.onload = data.onerror = function(){
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if(this.width + this.height != 2){no()} else {yes()}
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}
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data.src = "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=";
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},
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support_localstorage: function(){
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if (localStorage){
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return true;
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}else{
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return false;
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}
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},
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store_paste: function(url){
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if (zerobin.support_localstorage){
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localStorage.setItem(localStorage.length, url);
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}
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},
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get_pastes: function(){
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if (zerobin.support_localstorage){
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var val = '';
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for (i=0; i<=localStorage.length-1; i++)
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{
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key = localStorage.key(i);
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val = val + '<li><a class="items" href="' + localStorage.getItem(key) + '">paste ' + (i+1) + '</a></li>';
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}
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return val;
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}else{
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return 'Sorry your browser does not support LocalStorage, We cannot display your previous pastes.';
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}
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}
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};
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document.documentElement.className += " no-data-uri";
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$(function(){
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var language = null;
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$('button[type=submit]').click(function(e){
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e.preventDefault();
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var paste = $('textarea').val();
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if (paste.trim()) {
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var expiration = $('#expiration').val();
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var key = zerobin.make_key();
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var data = {content: zerobin.encrypt(key, paste), expiration: expiration}
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$.post('/paste/create', data)
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.error(function(error) {
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alert('Paste could not be saved. Please try again later.');
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})
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.success(function(data) {
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var paste_url = '/paste/' + data['paste'] + '#' + key;
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window.location = (paste_url);
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zerobin.store_paste(paste_url);
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});
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}
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});
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var content = $('#paste-content').text().trim();
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var key = window.location.hash.substring(1);
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if (content && key) {
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try {
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$('#paste-content').text(zerobin.decrypt(key, content));
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prettyPrint();
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} catch(err) {
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alert('Could not decrypt data (Wrong key ?)');
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}
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}
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/* expiration flip/flop */
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$('.paste-option select').live('change', function(){
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var value = $(this).val();
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$('.paste-option select').val(value);
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});
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/* Resize Textarea content */
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$('#content').elastic();
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/* Display bottom paste option buttons when needed */
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if($('#content').height() < 600 ){
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$('.paste-option.bottom').remove();
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}
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$('#content').live('keyup change', function(){
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if($('#content').height() < 600 ){
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$('.paste-option.down').remove();
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}
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else {
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if ($('.paste-option').length == 1) {
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$('.paste-option').clone().addClass('down').appendTo('form.well');
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}
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}
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});
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/* Display previous pastes */
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$('.previous-pastes .items').html(zerobin.get_pastes());
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});
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