mirror of
https://github.com/PrivateBin/PrivateBin.git
synced 2024-03-22 13:10:41 +08:00
1355 lines
49 KiB
JavaScript
1355 lines
49 KiB
JavaScript
/**
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* ZeroBin
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*
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* a zero-knowledge paste bin
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*
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* @link http://sebsauvage.net/wiki/doku.php?id=php:zerobin
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* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
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* @license http://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
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* @version 0.22
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*/
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'use strict';
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// Immediately start random number generator collector.
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sjcl.random.startCollectors();
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$(function() {
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/**
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* static helper methods
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*/
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var helper = {
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/**
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* Converts a duration (in seconds) into human friendly approximation.
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*
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* @param int seconds
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* @return array
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*/
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secondsToHuman: function(seconds)
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{
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if (seconds < 60)
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{
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var v = Math.floor(seconds);
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return [v, 'second'];
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}
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if (seconds < 60 * 60)
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{
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var v = Math.floor(seconds / 60);
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return [v, 'minute'];
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}
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if (seconds < 60 * 60 * 24)
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{
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var v = Math.floor(seconds / (60 * 60));
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return [v, 'hour'];
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}
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// If less than 2 months, display in days:
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if (seconds < 60 * 60 * 24 * 60)
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{
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var v = Math.floor(seconds / (60 * 60 * 24));
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return [v, 'day'];
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}
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var v = Math.floor(seconds / (60 * 60 * 24 * 30));
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return [v, 'month'];
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},
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/**
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* Converts an associative array to an encoded string
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* for appending to the anchor.
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*
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* @param object associative_array Object to be serialized
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* @return string
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*/
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hashToParameterString: function(associativeArray)
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{
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var parameterString = '';
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for (key in associativeArray)
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{
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if(parameterString === '')
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{
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parameterString = encodeURIComponent(key);
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parameterString += '=' + encodeURIComponent(associativeArray[key]);
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}
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else
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{
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parameterString += '&' + encodeURIComponent(key);
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parameterString += '=' + encodeURIComponent(associativeArray[key]);
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}
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}
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// padding for URL shorteners
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parameterString += '&p=p';
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return parameterString;
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},
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/**
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* Converts a string to an associative array.
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*
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* @param string parameter_string String containing parameters
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* @return object
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*/
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parameterStringToHash: function(parameterString)
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{
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var parameterHash = {};
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var parameterArray = parameterString.split('&');
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for (var i = 0; i < parameterArray.length; i++)
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{
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var pair = parameterArray[i].split('=');
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var key = decodeURIComponent(pair[0]);
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var value = decodeURIComponent(pair[1]);
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parameterHash[key] = value;
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}
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return parameterHash;
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},
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/**
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* Get an associative array of the parameters found in the anchor
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*
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* @return object
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*/
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getParameterHash: function()
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{
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var hashIndex = window.location.href.indexOf('#');
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if (hashIndex >= 0)
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{
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return this.parameterStringToHash(window.location.href.substring(hashIndex + 1));
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}
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else
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{
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return {};
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}
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},
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/**
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* Convert all applicable characters to HTML entities
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*
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* @param string str
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* @return string encoded string
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*/
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htmlEntities: function(str)
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{
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return String(str).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
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},
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/**
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* Text range selection.
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* From: http://stackoverflow.com/questions/985272/jquery-selecting-text-in-an-element-akin-to-highlighting-with-your-mouse
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*
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* @param string element : Indentifier of the element to select (id="").
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*/
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selectText: function(element)
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{
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var doc = document,
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text = doc.getElementById(element),
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range,
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selection;
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// MS
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if (doc.body.createTextRange)
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{
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range = doc.body.createTextRange();
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range.moveToElementText(text);
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range.select();
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}
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// all others
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else if (window.getSelection)
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{
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selection = window.getSelection();
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range = doc.createRange();
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range.selectNodeContents(text);
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selection.removeAllRanges();
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selection.addRange(range);
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}
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},
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/**
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* Set text of a DOM element (required for IE)
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* This is equivalent to element.text(text)
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*
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* @param object element : a DOM element.
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* @param string text : the text to enter.
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*/
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setElementText: function(element, text)
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{
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// For IE<10: Doesn't support white-space:pre-wrap; so we have to do this...
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if ($('#oldienotice').is(':visible')) {
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var html = this.htmlEntities(text).replace(/\n/ig,'\r\n<br>');
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element.html('<pre>'+html+'</pre>');
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}
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// for other (sane) browsers:
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else
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{
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element.text(text);
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}
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},
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/**
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* replace last child of element with message
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*
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* @param object element : a jQuery wrapped DOM element.
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* @param string message : the message to append.
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*/
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setMessage: function(element, message)
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{
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var content = element.contents();
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if (content.length > 0)
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{
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content[content.length - 1].nodeValue = ' ' + message;
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}
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else
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{
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this.setElementText(element, message);
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}
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},
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/**
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* Convert URLs to clickable links.
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* URLs to handle:
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* <code>
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* magnet:?xt.1=urn:sha1:YNCKHTQCWBTRNJIV4WNAE52SJUQCZO5C&xt.2=urn:sha1:TXGCZQTH26NL6OUQAJJPFALHG2LTGBC7
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* http://localhost:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM=
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* http://user:password@localhost:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM=
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* </code>
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*
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* @param object element : a jQuery DOM element.
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*/
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urls2links: function(element)
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{
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var markup = '<a href="$1" rel="nofollow">$1</a>';
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element.html(
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element.html().replace(
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/((http|https|ftp):\/\/[\w?=&.\/-;#@~%+-]+(?![\w\s?&.\/;#~%"=-]*>))/ig,
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markup
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)
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);
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element.html(
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element.html().replace(
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/((magnet):[\w?=&.\/-;#@~%+-]+)/ig,
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markup
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)
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);
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},
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/**
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* minimal sprintf emulation for %s and %d formats
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* From: http://stackoverflow.com/questions/610406/javascript-equivalent-to-printf-string-format#4795914
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*
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* @param string format
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* @param mixed args one or multiple parameters injected into format string
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* @return string
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*/
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sprintf: function()
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{
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var args = arguments;
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if (typeof arguments[0] == 'object') args = arguments[0];
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var string = args[0],
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i = 1;
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return string.replace(/%((%)|s|d)/g, function (m) {
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// m is the matched format, e.g. %s, %d
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var val = null;
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if (m[2]) {
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val = m[2];
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} else {
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val = args[i];
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// A switch statement so that the formatter can be extended.
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switch (m)
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{
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case '%d':
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val = parseFloat(val);
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if (isNaN(val)) {
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val = 0;
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}
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break;
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// Default is %s
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}
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++i;
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}
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return val;
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});
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},
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/**
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* get value of cookie, if it was set, empty string otherwise
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* From: http://www.w3schools.com/js/js_cookies.asp
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*
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* @param string cname
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* @return string
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*/
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getCookie: function(cname) {
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var name = cname + '=';
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var ca = document.cookie.split(';');
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for(var i = 0; i < ca.length; ++i) {
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var c = ca[i];
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while (c.charAt(0) == ' ') c = c.substring(1);
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if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
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}
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return '';
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}
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};
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/**
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* internationalization methods
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*/
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var i18n = {
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/**
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* supported languages, minus the built in 'en'
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*/
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supportedLanguages: ['de', 'fr', 'pl', 'sl', 'zh'],
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/**
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* translate a string, alias for translate()
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*
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* @param string $messageId
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* @param mixed args one or multiple parameters injected into placeholders
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* @return string
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*/
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_: function()
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{
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return this.translate(arguments);
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},
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/**
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* translate a string
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*
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* @param string $messageId
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* @param mixed args one or multiple parameters injected into placeholders
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* @return string
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*/
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translate: function()
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{
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var args = arguments, messageId, usesPlurals;
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if (typeof arguments[0] == 'object') args = arguments[0];
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if (usesPlurals = $.isArray(args[0]))
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{
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// use the first plural form as messageId, otherwise the singular
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messageId = (args[0].length > 1 ? args[0][1] : args[0][0]);
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}
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else
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{
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messageId = args[0];
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}
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if (messageId.length == 0) return messageId;
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if (!this.translations.hasOwnProperty(messageId))
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{
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if (this.language != 'en') console.debug(
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'Missing translation for: ' + messageId
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);
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this.translations[messageId] = args[0];
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}
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if (usesPlurals && $.isArray(this.translations[messageId]))
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{
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var n = parseInt(args[1] || 1),
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key = this.getPluralForm(n),
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maxKey = this.translations[messageId].length - 1;
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if (key > maxKey) key = maxKey;
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args[0] = this.translations[messageId][key];
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args[1] = n;
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}
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else
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{
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args[0] = this.translations[messageId];
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}
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return helper.sprintf(args);
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},
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/**
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* per language functions to use to determine the plural form
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* From: http://localization-guide.readthedocs.org/en/latest/l10n/pluralforms.html
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*
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* @param int number
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* @return int array key
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*/
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getPluralForm: function(n) {
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switch (this.language)
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{
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case 'fr':
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case 'zh':
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return (n > 1 ? 1 : 0);
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case 'pl':
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return (n == 1 ? 0 : n%10 >= 2 && n %10 <=4 && (n%100 < 10 || n%100 >= 20) ? 1 : 2);
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// en, de
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default:
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return (n != 1 ? 1 : 0);
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}
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},
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/**
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* load translations into cache, then execute callback function
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*
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* @param function callback
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*/
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loadTranslations: function(callback)
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{
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var selectedLang = helper.getCookie('lang');
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var language = selectedLang.length > 0 ? selectedLang : (navigator.language || navigator.userLanguage).substring(0, 2);
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// note that 'en' is built in, so no translation is necessary
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if (this.supportedLanguages.indexOf(language) == -1)
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{
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callback();
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}
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else
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{
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$.getJSON('i18n/' + language + '.json', function(data) {
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i18n.language = language;
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i18n.translations = data;
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callback();
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});
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}
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},
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/**
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* built in language
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*/
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language: 'en',
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/**
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* translation cache
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*/
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translations: {}
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};
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/**
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* filter methods
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*/
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var filter = {
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/**
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* Compress a message (deflate compression). Returns base64 encoded data.
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*
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* @param string message
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* @return base64 string data
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*/
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compress: function(message)
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{
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return Base64.toBase64( RawDeflate.deflate( Base64.utob(message) ) );
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},
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/**
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* Decompress a message compressed with compress().
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*
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* @param base64 string data
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* @return string message
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*/
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decompress: function(data)
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{
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return Base64.btou( RawDeflate.inflate( Base64.fromBase64(data) ) );
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},
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/**
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* Compress, then encrypt message with key.
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*
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* @param string key
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* @param string password
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* @param string message
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* @return encrypted string data
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*/
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cipher: function(key, password, message)
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{
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if ((password || '').trim().length == 0)
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{
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return sjcl.encrypt(key, this.compress(message));
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}
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return sjcl.encrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), this.compress(message));
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},
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/**
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* Decrypt message with key, then decompress.
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*
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* @param string key
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* @param string password
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* @param encrypted string data
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* @return string readable message
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*/
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decipher: function(key, password, data)
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{
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if (data != undefined)
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{
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try
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{
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return this.decompress(sjcl.decrypt(key, data));
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}
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catch(err)
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{
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try
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{
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return this.decompress(sjcl.decrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), data));
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}
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catch(err)
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{}
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}
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}
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return '';
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}
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};
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var zerobin = {
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/**
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* headers to send in AJAX requests
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*/
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headers: {'X-Requested-With': 'JSONHttpRequest'},
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|
|
/**
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* Get the current script location (without search or hash part of the URL).
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* eg. http://server.com/zero/?aaaa#bbbb --> http://server.com/zero/
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*
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* @return string current script location
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*/
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scriptLocation: function()
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{
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var scriptLocation = window.location.href.substring(0,window.location.href.length
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- window.location.search.length - window.location.hash.length),
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hashIndex = scriptLocation.indexOf('#');
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if (hashIndex !== -1)
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{
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scriptLocation = scriptLocation.substring(0, hashIndex);
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}
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return scriptLocation;
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},
|
|
|
|
/**
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|
* Get the pastes unique identifier from the URL
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|
* eg. http://server.com/zero/?c05354954c49a487#xxx --> c05354954c49a487
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*
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* @return string unique identifier
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*/
|
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pasteID: function()
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{
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return window.location.search.substring(1);
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},
|
|
|
|
/**
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|
* Return the deciphering key stored in anchor part of the URL
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*
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* @return string key
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|
*/
|
|
pageKey: function()
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{
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// Some web 2.0 services and redirectors add data AFTER the anchor
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|
// (such as &utm_source=...). We will strip any additional data.
|
|
|
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var key = window.location.hash.substring(1), // Get key
|
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i = key.indexOf('=');
|
|
|
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// First, strip everything after the equal sign (=) which signals end of base64 string.
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if (i > -1) key = key.substring(0, i + 1);
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|
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// If the equal sign was not present, some parameters may remain:
|
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i = key.indexOf('&');
|
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if (i > -1) key = key.substring(0, i);
|
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|
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// Then add trailing equal sign if it's missing
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if (key.charAt(key.length - 1) !== '=') key += '=';
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return key;
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},
|
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|
|
/**
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|
* ask the user for the password and return it
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|
*
|
|
* @throws error when dialog canceled
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* @return string password
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*/
|
|
requestPassword: function()
|
|
{
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|
var password = prompt(i18n._('Please enter the password for this paste:'), '');
|
|
if (password == null) throw 'password prompt canceled';
|
|
if (password.length == 0) return this.requestPassword();
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return password;
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},
|
|
|
|
/**
|
|
* use given format on paste, defaults to plain text
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|
*
|
|
* @param string format
|
|
*/
|
|
formatPaste: function(format)
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|
{
|
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switch (format || 'plaintext')
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|
{
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|
case 'markdown':
|
|
if (typeof Showdown == 'object')
|
|
{
|
|
var converter = new Showdown.converter();
|
|
this.clearText.html(
|
|
converter.makeHtml(this.clearText.html())
|
|
);
|
|
this.clearText.removeClass('hidden');
|
|
}
|
|
this.prettyMessage.addClass('hidden');
|
|
break;
|
|
case 'syntaxhighlighting':
|
|
if (typeof prettyPrint == 'function') prettyPrint();
|
|
default:
|
|
// Convert URLs to clickable links.
|
|
helper.urls2links(this.clearText);
|
|
helper.urls2links(this.prettyPrint);
|
|
this.clearText.addClass('hidden');
|
|
if (format == 'plaintext')
|
|
{
|
|
this.prettyPrint.css('white-space', 'pre-wrap');
|
|
this.prettyPrint.css('word-break', 'normal');
|
|
this.prettyPrint.removeClass('prettyprint');
|
|
}
|
|
this.prettyMessage.removeClass('hidden');
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Show decrypted text in the display area, including discussion (if open)
|
|
*
|
|
* @param string key : decryption key
|
|
* @param object paste : paste object including comments to display (items = array with keys ('data','meta')
|
|
*/
|
|
displayMessages: function(key, paste)
|
|
{
|
|
// Try to decrypt the paste.
|
|
var password = this.passwordInput.val();
|
|
if (!this.prettyPrint.hasClass('prettyprinted')) {
|
|
try
|
|
{
|
|
if (paste.attachment)
|
|
{
|
|
var attachment = filter.decipher(key, password, paste.attachment);
|
|
if (attachment.length == 0)
|
|
{
|
|
if (password.length == 0) password = this.requestPassword();
|
|
attachment = filter.decipher(key, password, paste.attachment);
|
|
}
|
|
if (attachment.length == 0) throw 'failed to decipher attachment';
|
|
|
|
if (paste.attachmentname)
|
|
{
|
|
var attachmentname = filter.decipher(key, password, paste.attachmentname);
|
|
if (attachmentname.length > 0) this.attachmentLink.attr('download', attachmentname);
|
|
}
|
|
this.attachmentLink.attr('href', attachment);
|
|
this.attachment.removeClass('hidden');
|
|
|
|
// if the attachment is an image, display it
|
|
var imagePrefix = 'data:image/';
|
|
if (attachment.substring(0, imagePrefix.length) == imagePrefix)
|
|
{
|
|
this.image.html(
|
|
$(document.createElement('img'))
|
|
.attr('src', attachment)
|
|
.attr('class', 'img-thumbnail')
|
|
);
|
|
this.image.removeClass('hidden');
|
|
}
|
|
}
|
|
var cleartext = filter.decipher(key, password, paste.data);
|
|
if (cleartext.length == 0 && password.length == 0 && !paste.attachment)
|
|
{
|
|
password = this.requestPassword();
|
|
cleartext = filter.decipher(key, password, paste.data);
|
|
}
|
|
if (cleartext.length == 0 && !paste.attachment) throw 'failed to decipher message';
|
|
|
|
this.passwordInput.val(password);
|
|
if (cleartext.length > 0)
|
|
{
|
|
helper.setElementText(this.clearText, cleartext);
|
|
helper.setElementText(this.prettyPrint, cleartext);
|
|
this.formatPaste(paste.meta.formatter);
|
|
}
|
|
}
|
|
catch(err)
|
|
{
|
|
this.clearText.addClass('hidden');
|
|
this.prettyMessage.addClass('hidden');
|
|
this.cloneButton.addClass('hidden');
|
|
this.showError(i18n._('Could not decrypt data (Wrong key?)'));
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Display paste expiration / for your eyes only.
|
|
if (paste.meta.expire_date)
|
|
{
|
|
var expiration = helper.secondsToHuman(paste.meta.remaining_time),
|
|
expirationLabel = [
|
|
'This document will expire in %d ' + expiration[1] + '.',
|
|
'This document will expire in %d ' + expiration[1] + 's.'
|
|
];
|
|
helper.setMessage(this.remainingTime, i18n._(expirationLabel, expiration[0]));
|
|
this.remainingTime.removeClass('foryoureyesonly')
|
|
.removeClass('hidden');
|
|
}
|
|
if (paste.meta.burnafterreading)
|
|
{
|
|
// unfortunately many web servers don't support DELETE (and PUT) out of the box
|
|
$.ajax({
|
|
type: 'POST',
|
|
url: this.scriptLocation() + '?' + this.pasteID(),
|
|
data: {deletetoken: 'burnafterreading'},
|
|
dataType: 'json',
|
|
headers: this.headers
|
|
})
|
|
.fail(function() {
|
|
zerobin.showError(i18n._('Could not delete the paste, it was not stored in burn after reading mode.'));
|
|
});
|
|
helper.setMessage(this.remainingTime, i18n._(
|
|
'FOR YOUR EYES ONLY. Don\'t close this window, this message can\'t be displayed again.'
|
|
));
|
|
this.remainingTime.addClass('foryoureyesonly')
|
|
.removeClass('hidden');
|
|
// Discourage cloning (as it can't really be prevented).
|
|
this.cloneButton.addClass('hidden');
|
|
}
|
|
|
|
// If the discussion is opened on this paste, display it.
|
|
if (paste.meta.opendiscussion)
|
|
{
|
|
this.comments.html('');
|
|
|
|
// iterate over comments
|
|
for (var i = 0; i < paste.comments.length; ++i)
|
|
{
|
|
var place = this.comments;
|
|
var comment = paste.comments[i];
|
|
var cleartext = '[' + i18n._('Could not decrypt comment; Wrong key?') + ']';
|
|
try
|
|
{
|
|
cleartext = filter.decipher(key, password, comment.data);
|
|
}
|
|
catch(err)
|
|
{}
|
|
// If parent comment exists, display below (CSS will automatically shift it right.)
|
|
var cname = '#comment_' + comment.parentid;
|
|
|
|
// If the element exists in page
|
|
if ($(cname).length)
|
|
{
|
|
place = $(cname);
|
|
}
|
|
var divComment = $('<article><div class="comment" id="comment_' + comment.id + '">'
|
|
+ '<div class="commentmeta"><span class="nickname"></span><span class="commentdate"></span></div><div class="commentdata"></div>'
|
|
+ '<button class="btn btn-default btn-sm">' + i18n._('Reply') + '</button>'
|
|
+ '</div></article>');
|
|
divComment.find('button').click({commentid: comment.id}, $.proxy(this.openReply, this));
|
|
helper.setElementText(divComment.find('div.commentdata'), cleartext);
|
|
// Convert URLs to clickable links in comment.
|
|
helper.urls2links(divComment.find('div.commentdata'));
|
|
|
|
// Try to get optional nickname:
|
|
var nick = filter.decipher(key, password, comment.meta.nickname);
|
|
if (nick.length > 0)
|
|
{
|
|
divComment.find('span.nickname').text(nick);
|
|
}
|
|
else
|
|
{
|
|
divComment.find('span.nickname').html('<i>' + i18n._('Anonymous') + '</i>');
|
|
}
|
|
divComment.find('span.commentdate')
|
|
.text(' (' + (new Date(comment.meta.postdate * 1000).toLocaleString()) + ')')
|
|
.attr('title', 'CommentID: ' + comment.id);
|
|
|
|
// If an avatar is available, display it.
|
|
if (comment.meta.vizhash)
|
|
{
|
|
divComment.find('span.nickname')
|
|
.before(
|
|
'<img src="' + comment.meta.vizhash + '" class="vizhash" title="' +
|
|
i18n._('Anonymous avatar (Vizhash of the IP address)') + '" /> '
|
|
);
|
|
}
|
|
|
|
place.append(divComment);
|
|
}
|
|
var divComment = $(
|
|
'<div class="comment"><button class="btn btn-default btn-sm">' +
|
|
i18n._('Add comment') + '</button></div>'
|
|
);
|
|
divComment.find('button').click({commentid: this.pasteID()}, $.proxy(this.openReply, this));
|
|
this.comments.append(divComment);
|
|
this.discussion.removeClass('hidden');
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Open the comment entry when clicking the "Reply" button of a comment.
|
|
*
|
|
* @param Event event
|
|
*/
|
|
openReply: function(event)
|
|
{
|
|
event.preventDefault();
|
|
var source = $(event.target),
|
|
commentid = event.data.commentid,
|
|
hint = i18n._('Optional nickname...');
|
|
|
|
// Remove any other reply area.
|
|
$('div.reply').remove();
|
|
var reply = $(
|
|
'<div class="reply">' +
|
|
'<input type="text" id="nickname" class="form-control" title="' + hint + '" placeholder="' + hint + '" />' +
|
|
'<textarea id="replymessage" class="replymessage form-control" cols="80" rows="7"></textarea>' +
|
|
'<br /><button id="replybutton" class="btn btn-default btn-sm">' + i18n._('Post comment') + '</button>' +
|
|
'<div id="replystatus"> </div>' +
|
|
'</div>'
|
|
);
|
|
reply.find('button').click({parentid: commentid}, $.proxy(this.sendComment, this));
|
|
source.after(reply);
|
|
$('#replymessage').focus();
|
|
},
|
|
|
|
/**
|
|
* Send a reply in a discussion.
|
|
*
|
|
* @param Event event
|
|
*/
|
|
sendComment: function(event)
|
|
{
|
|
event.preventDefault();
|
|
this.errorMessage.addClass('hidden');
|
|
// Do not send if no data.
|
|
var replyMessage = $('#replymessage');
|
|
if (replyMessage.val().length == 0) return;
|
|
|
|
this.showStatus(i18n._('Sending comment...'), true);
|
|
var parentid = event.data.parentid;
|
|
var cipherdata = filter.cipher(this.pageKey(), this.passwordInput.val(), replyMessage.val());
|
|
var ciphernickname = '';
|
|
var nick = $('#nickname').val();
|
|
if (nick != '')
|
|
{
|
|
ciphernickname = filter.cipher(this.pageKey(), this.passwordInput.val(), nick);
|
|
}
|
|
var data_to_send = {
|
|
data: cipherdata,
|
|
parentid: parentid,
|
|
pasteid: this.pasteID(),
|
|
nickname: ciphernickname
|
|
};
|
|
|
|
$.ajax({
|
|
type: 'POST',
|
|
url: this.scriptLocation(),
|
|
data: data_to_send,
|
|
dataType: 'json',
|
|
headers: this.headers,
|
|
success: function(data)
|
|
{
|
|
if (data.status == 0)
|
|
{
|
|
zerobin.showStatus(i18n._('Comment posted.'), false);
|
|
$.ajax({
|
|
type: 'GET',
|
|
url: zerobin.scriptLocation() + '?' + zerobin.pasteID(),
|
|
dataType: 'json',
|
|
headers: zerobin.headers,
|
|
success: function(data)
|
|
{
|
|
if (data.status == 0)
|
|
{
|
|
zerobin.displayMessages(zerobin.pageKey(), data);
|
|
}
|
|
else if (data.status == 1)
|
|
{
|
|
zerobin.showError(i18n._('Could not refresh display: %s', data.message));
|
|
}
|
|
else
|
|
{
|
|
zerobin.showError(i18n._('Could not refresh display: %s', i18n._('unknown status')));
|
|
}
|
|
}
|
|
})
|
|
.fail(function() {
|
|
zerobin.showError(i18n._('Could not refresh display: %s', i18n._('server error or not responding')));
|
|
});
|
|
}
|
|
else if (data.status == 1)
|
|
{
|
|
zerobin.showError(i18n._('Could not post comment: %s', data.message));
|
|
}
|
|
else
|
|
{
|
|
zerobin.showError(i18n._('Could not post comment: %s', i18n._('unknown status')));
|
|
}
|
|
}
|
|
})
|
|
.fail(function() {
|
|
zerobin.showError(i18n._('Could not post comment: %s', i18n._('server error or not responding')));
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Send a new paste to server
|
|
*
|
|
* @param Event event
|
|
*/
|
|
sendData: function(event)
|
|
{
|
|
event.preventDefault();
|
|
var file = document.getElementById('file'),
|
|
files = (file && file.files) ? file.files : null; // FileList object
|
|
|
|
// Do not send if no data.
|
|
if (this.message.val().length == 0 && !(files && files[0])) return;
|
|
|
|
// If sjcl has not collected enough entropy yet, display a message.
|
|
if (!sjcl.random.isReady())
|
|
{
|
|
this.showStatus(i18n._('Sending paste (Please move your mouse for more entropy)...'), true);
|
|
sjcl.random.addEventListener('seeded', function() {
|
|
this.sendData(event);
|
|
});
|
|
return;
|
|
}
|
|
|
|
$('.navbar-toggle').click();
|
|
this.password.addClass('hidden');
|
|
this.showStatus(i18n._('Sending paste...'), true);
|
|
|
|
var randomkey = sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 0), 0);
|
|
var cipherdata_attachment;
|
|
var password = this.passwordInput.val();
|
|
if(files && files[0])
|
|
{
|
|
if(typeof FileReader === undefined)
|
|
{
|
|
this.showError(i18n._('Your browser does not support uploading encrypted files. Please use a newer browser.'));
|
|
return;
|
|
}
|
|
var reader = new FileReader();
|
|
// Closure to capture the file information.
|
|
reader.onload = (function(theFile)
|
|
{
|
|
return function(e) {
|
|
zerobin.sendDataContinue(
|
|
randomkey,
|
|
filter.cipher(randomkey, password, e.target.result),
|
|
filter.cipher(randomkey, password, theFile.name)
|
|
);
|
|
};
|
|
})(files[0]);
|
|
reader.readAsDataURL(files[0]);
|
|
}
|
|
else if(this.attachmentLink.attr('href'))
|
|
{
|
|
this.sendDataContinue(
|
|
randomkey,
|
|
filter.cipher(randomkey, password, this.attachmentLink.attr('href')),
|
|
this.attachmentLink.attr('download')
|
|
);
|
|
}
|
|
else
|
|
{
|
|
this.sendDataContinue(randomkey, '', '');
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Send a new paste to server, step 2
|
|
*
|
|
* @param string randomkey
|
|
* @param encrypted string cipherdata_attachment
|
|
* @param encrypted string cipherdata_attachment_name
|
|
*/
|
|
sendDataContinue: function(randomkey, cipherdata_attachment, cipherdata_attachment_name)
|
|
{
|
|
var cipherdata = filter.cipher(randomkey, this.passwordInput.val(), this.message.val());
|
|
var data_to_send = {
|
|
data: cipherdata,
|
|
expire: $('#pasteExpiration').val(),
|
|
formatter: $('#pasteFormatter').val(),
|
|
burnafterreading: this.burnAfterReading.is(':checked') ? 1 : 0,
|
|
opendiscussion: this.openDiscussion.is(':checked') ? 1 : 0
|
|
};
|
|
if (cipherdata_attachment.length > 0)
|
|
{
|
|
data_to_send.attachment = cipherdata_attachment;
|
|
if (cipherdata_attachment_name.length > 0)
|
|
{
|
|
data_to_send.attachmentname = cipherdata_attachment_name;
|
|
}
|
|
}
|
|
$.ajax({
|
|
type: 'POST',
|
|
url: this.scriptLocation(),
|
|
data: data_to_send,
|
|
dataType: 'json',
|
|
headers: this.headers,
|
|
success: function(data)
|
|
{
|
|
if (data.status == 0) {
|
|
zerobin.stateExistingPaste();
|
|
var url = zerobin.scriptLocation() + '?' + data.id + '#' + randomkey;
|
|
var deleteUrl = zerobin.scriptLocation() + '?pasteid=' + data.id + '&deletetoken=' + data.deletetoken;
|
|
zerobin.showStatus('', false);
|
|
zerobin.errorMessage.addClass('hidden');
|
|
|
|
$('#pastelink').html(
|
|
i18n._(
|
|
'Your paste is <a id="pasteurl" href="%s">%s</a> <span id="copyhint">(Hit [Ctrl]+[c] to copy)</span>',
|
|
url, url
|
|
) + zerobin.shortenUrl(url)
|
|
);
|
|
$('#deletelink').html('<a href="' + deleteUrl + '">' + i18n._('Delete data') + '</a>');
|
|
zerobin.pasteResult.removeClass('hidden');
|
|
// We pre-select the link so that the user only has to [Ctrl]+[c] the link.
|
|
helper.selectText('pasteurl');
|
|
zerobin.showStatus('', false);
|
|
|
|
helper.setElementText(zerobin.clearText, zerobin.message.val());
|
|
helper.setElementText(zerobin.prettyPrint, zerobin.message.val());
|
|
zerobin.formatPaste(data_to_send.formatter);
|
|
}
|
|
else if (data.status==1)
|
|
{
|
|
zerobin.showError(i18n._('Could not create paste: %s', data.message));
|
|
}
|
|
else
|
|
{
|
|
zerobin.showError(i18n._('Could not create paste: %s', i18n._('unknown status')));
|
|
}
|
|
}
|
|
})
|
|
.fail(function()
|
|
{
|
|
zerobin.showError(i18n._('Could not create paste: %s', i18n._('server error or not responding')));
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Check if a URL shortener was defined and create HTML containing a link to it.
|
|
*
|
|
* @param string url
|
|
* @return string html
|
|
*/
|
|
shortenUrl: function(url)
|
|
{
|
|
var shortenerHtml = $('#shortenbutton');
|
|
if (shortenerHtml) {
|
|
var shortener = shortenerHtml.data('shortener');
|
|
shortenerHtml.attr(
|
|
'onclick',
|
|
"window.location.href = '" + shortener + encodeURIComponent(url) + "';"
|
|
);
|
|
return ' ' + $('<div />').append(shortenerHtml.clone()).html();
|
|
}
|
|
return '';
|
|
},
|
|
|
|
/**
|
|
* Put the screen in "New paste" mode.
|
|
*/
|
|
stateNewPaste: function()
|
|
{
|
|
this.message.text('');
|
|
this.attachment.addClass('hidden');
|
|
this.cloneButton.addClass('hidden');
|
|
this.rawTextButton.addClass('hidden');
|
|
this.remainingTime.addClass('hidden');
|
|
this.pasteResult.addClass('hidden');
|
|
this.clearText.addClass('hidden');
|
|
this.discussion.addClass('hidden');
|
|
this.prettyMessage.addClass('hidden');
|
|
this.sendButton.removeClass('hidden');
|
|
this.expiration.removeClass('hidden');
|
|
this.formatter.removeClass('hidden');
|
|
this.burnAfterReadingOption.removeClass('hidden');
|
|
this.openDisc.removeClass('hidden');
|
|
this.newButton.removeClass('hidden');
|
|
this.password.removeClass('hidden');
|
|
this.attach.removeClass('hidden');
|
|
this.message.removeClass('hidden');
|
|
this.message.focus();
|
|
},
|
|
|
|
/**
|
|
* Put the screen in "Existing paste" mode.
|
|
*/
|
|
stateExistingPaste: function()
|
|
{
|
|
this.sendButton.addClass('hidden');
|
|
|
|
// No "clone" for IE<10.
|
|
if ($('#oldienotice').is(":visible"))
|
|
{
|
|
this.cloneButton.addClass('hidden');
|
|
}
|
|
else
|
|
{
|
|
this.cloneButton.removeClass('hidden');
|
|
}
|
|
this.rawTextButton.removeClass('hidden');
|
|
|
|
this.attach.addClass('hidden');
|
|
this.expiration.addClass('hidden');
|
|
this.formatter.addClass('hidden');
|
|
this.burnAfterReadingOption.addClass('hidden');
|
|
this.openDisc.addClass('hidden');
|
|
this.newButton.removeClass('hidden');
|
|
this.pasteResult.addClass('hidden');
|
|
this.message.addClass('hidden');
|
|
this.clearText.addClass('hidden');
|
|
this.prettyMessage.addClass('hidden');
|
|
},
|
|
|
|
/**
|
|
* If "burn after reading" is checked, disable discussion.
|
|
*/
|
|
changeBurnAfterReading: function()
|
|
{
|
|
if (this.burnAfterReading.is(':checked') )
|
|
{
|
|
this.openDisc.addClass('buttondisabled');
|
|
this.openDiscussion.attr({checked: false, disabled: true});
|
|
}
|
|
else
|
|
{
|
|
this.openDisc.removeClass('buttondisabled');
|
|
this.openDiscussion.removeAttr('disabled');
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Reload the page.
|
|
*
|
|
* @param Event event
|
|
*/
|
|
reloadPage: function(event)
|
|
{
|
|
event.preventDefault();
|
|
window.location.href = this.scriptLocation();
|
|
},
|
|
|
|
/**
|
|
* Return raw text.
|
|
*
|
|
* @param Event event
|
|
*/
|
|
rawText: function(event)
|
|
{
|
|
event.preventDefault();
|
|
var paste = this.clearText.html();
|
|
var newDoc = document.open('text/html', 'replace');
|
|
newDoc.write('<pre>' + paste + '</pre>');
|
|
newDoc.close();
|
|
},
|
|
|
|
/**
|
|
* Clone the current paste.
|
|
*
|
|
* @param Event event
|
|
*/
|
|
clonePaste: function(event)
|
|
{
|
|
event.preventDefault();
|
|
this.stateNewPaste();
|
|
|
|
// Erase the id and the key in url
|
|
history.replaceState(document.title, document.title, this.scriptLocation());
|
|
|
|
this.showStatus('', false);
|
|
if (this.attachmentLink.attr('href'))
|
|
{
|
|
this.clonedFile.removeClass('hidden');
|
|
this.fileWrap.addClass('hidden');
|
|
}
|
|
this.message.text(this.clearText.text());
|
|
$('.navbar-toggle').click();
|
|
},
|
|
|
|
/**
|
|
* Support input of tab character.
|
|
*
|
|
* @param Event event
|
|
*/
|
|
supportTabs: function(event)
|
|
{
|
|
var keyCode = event.keyCode || event.which;
|
|
// tab was pressed
|
|
if (keyCode === 9)
|
|
{
|
|
// prevent the textarea to lose focus
|
|
event.preventDefault();
|
|
// get caret position & selection
|
|
var val = this.value,
|
|
start = this.selectionStart,
|
|
end = this.selectionEnd;
|
|
// set textarea value to: text before caret + tab + text after caret
|
|
this.value = val.substring(0, start) + '\t' + val.substring(end);
|
|
// put caret at right position again
|
|
this.selectionStart = this.selectionEnd = start + 1;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Create a new paste.
|
|
*/
|
|
newPaste: function()
|
|
{
|
|
this.stateNewPaste();
|
|
this.showStatus('', false);
|
|
this.message.text('');
|
|
},
|
|
|
|
/**
|
|
* Removes an attachment.
|
|
*/
|
|
removeAttachment: function()
|
|
{
|
|
this.clonedFile.addClass('hidden');
|
|
// removes the saved decrypted file data
|
|
this.attachmentLink.attr('href', '');
|
|
// the only way to deselect the file is to recreate the input
|
|
this.fileWrap.html(this.fileWrap.html());
|
|
this.fileWrap.removeClass('hidden');
|
|
},
|
|
|
|
/**
|
|
* Display an error message
|
|
* (We use the same function for paste and reply to comments)
|
|
*
|
|
* @param string message : text to display
|
|
*/
|
|
showError: function(message)
|
|
{
|
|
if (this.status.length)
|
|
{
|
|
this.status.addClass('errorMessage').text(message);
|
|
}
|
|
else
|
|
{
|
|
this.errorMessage.removeClass('hidden');
|
|
helper.setMessage(this.errorMessage, message);
|
|
}
|
|
this.replyStatus.addClass('errorMessage').text(message);
|
|
},
|
|
|
|
/**
|
|
* Display a status message
|
|
* (We use the same function for paste and reply to comments)
|
|
*
|
|
* @param string message : text to display
|
|
* @param boolean spin (optional) : tell if the "spinning" animation should be displayed.
|
|
*/
|
|
showStatus: function(message, spin)
|
|
{
|
|
this.replyStatus.removeClass('errorMessage').text(message);
|
|
if (!message)
|
|
{
|
|
this.status.html(' ');
|
|
return;
|
|
}
|
|
if (message == '')
|
|
{
|
|
this.status.html(' ');
|
|
return;
|
|
}
|
|
this.status.removeClass('errorMessage').text(message);
|
|
if (spin)
|
|
{
|
|
var img = '<img src="img/busy.gif" style="width:16px;height:9px;margin:0 4px 0 0;" />';
|
|
this.status.prepend(img);
|
|
this.replyStatus.prepend(img);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* bind events to DOM elements
|
|
*/
|
|
bindEvents: function()
|
|
{
|
|
this.burnAfterReading.change($.proxy(this.changeBurnAfterReading, this));
|
|
this.sendButton.click($.proxy(this.sendData, this));
|
|
this.cloneButton.click($.proxy(this.clonePaste, this));
|
|
this.rawTextButton.click($.proxy(this.rawText, this));
|
|
this.fileRemoveButton.click($.proxy(this.removeAttachment, this));
|
|
$('.reloadlink').click($.proxy(this.reloadPage, this));
|
|
this.message.keydown(this.supportTabs);
|
|
},
|
|
|
|
/**
|
|
* main application
|
|
*/
|
|
init: function()
|
|
{
|
|
// hide "no javascript" message
|
|
$('#noscript').hide();
|
|
|
|
// preload jQuery wrapped DOM elements and bind events
|
|
this.attach = $('#attach');
|
|
this.attachment = $('#attachment');
|
|
this.attachmentLink = $('#attachment a');
|
|
this.burnAfterReading = $('#burnafterreading');
|
|
this.burnAfterReadingOption = $('#burnafterreadingoption');
|
|
this.cipherData = $('#cipherdata');
|
|
this.clearText = $('#cleartext');
|
|
this.cloneButton = $('#clonebutton');
|
|
this.clonedFile = $('#clonedfile');
|
|
this.comments = $('#comments');
|
|
this.discussion = $('#discussion');
|
|
this.errorMessage = $('#errormessage');
|
|
this.expiration = $('#expiration');
|
|
this.fileRemoveButton = $('#fileremovebutton');
|
|
this.fileWrap = $('#filewrap');
|
|
this.formatter = $('#formatter');
|
|
this.image = $('#image');
|
|
this.message = $('#message');
|
|
this.newButton = $('#newbutton');
|
|
this.openDisc = $('#opendisc');
|
|
this.openDiscussion = $('#opendiscussion');
|
|
this.password = $('#password');
|
|
this.passwordInput = $('#passwordinput');
|
|
this.pasteResult = $('#pasteresult');
|
|
this.prettyMessage = $('#prettymessage');
|
|
this.prettyPrint = $('#prettyprint');
|
|
this.rawTextButton = $('#rawtextbutton');
|
|
this.remainingTime = $('#remainingtime');
|
|
this.replyStatus = $('#replystatus');
|
|
this.sendButton = $('#sendbutton');
|
|
this.status = $('#status');
|
|
this.bindEvents();
|
|
|
|
// Display status returned by php code if any (eg. Paste was properly deleted.)
|
|
if (this.status.text().length > 0)
|
|
{
|
|
this.showStatus(this.status.text(), false);
|
|
return;
|
|
}
|
|
|
|
// Keep line height even if content empty.
|
|
this.status.html(' ');
|
|
|
|
// Display an existing paste
|
|
if (this.cipherData.text().length > 1)
|
|
{
|
|
// Missing decryption key in URL?
|
|
if (window.location.hash.length == 0)
|
|
{
|
|
this.showError(i18n._('Cannot decrypt paste: Decryption key missing in URL (Did you use a redirector or an URL shortener which strips part of the URL?)'));
|
|
return;
|
|
}
|
|
|
|
// List of messages to display.
|
|
var data = $.parseJSON(this.cipherData.text());
|
|
|
|
// Show proper elements on screen.
|
|
this.stateExistingPaste();
|
|
|
|
this.displayMessages(this.pageKey(), data);
|
|
}
|
|
// Display error message from php code.
|
|
else if (this.errorMessage.text().length > 1)
|
|
{
|
|
this.showError(this.errorMessage.text());
|
|
}
|
|
// Create a new paste.
|
|
else
|
|
{
|
|
this.newPaste();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* main application start, called when DOM is fully loaded
|
|
* runs zerobin when translations were loaded
|
|
*/
|
|
i18n.loadTranslations($.proxy(zerobin.init, zerobin));
|
|
});
|
|
|