364 lines
15 KiB
JavaScript
364 lines
15 KiB
JavaScript
/* ZeroBin 0.15 - http://sebsauvage.net/wiki/doku.php?id=php:zerobin */
|
|
|
|
// Immediately start random number generator collector.
|
|
sjcl.random.startCollectors();
|
|
|
|
// Converts a duration (in seconds) into human readable format.
|
|
function secondsToHuman(seconds)
|
|
{
|
|
if (seconds<60) { var v=Math.floor(seconds); return v+' second'+((v>1)?'s':''); }
|
|
if (seconds<60*60) { var v=Math.floor(seconds/60); return v+' minute'+((v>1)?'s':''); }
|
|
if (seconds<60*60*24) { var v=Math.floor(seconds/(60*60)); return v+' hour'+((v>1)?'s':''); }
|
|
// If less than 2 months, display in days:
|
|
if (seconds<60*60*24*60) { var v=Math.floor(seconds/(60*60*24)); return v+' day'+((v>1)?'s':''); }
|
|
var v=Math.floor(seconds/(60*60*24*30)); return v+' month'+((v>1)?'s':'');
|
|
}
|
|
// Compress a message (deflate compression). Returns base64 encoded data.
|
|
function compress(message) { return Base64.toBase64(RawDeflate.deflate(Base64.utob(message))); }
|
|
|
|
// Decompress a message compressed with compress().
|
|
function decompress(data) { return Base64.btou(RawDeflate.inflate(Base64.fromBase64(data))) }
|
|
|
|
// Compress, then encrypt message with key.
|
|
function zeroCipher(key,message)
|
|
{
|
|
return sjcl.encrypt(key,compress(message));
|
|
}
|
|
// Decrypt message with key, then decompress.
|
|
function zeroDecipher(key,data)
|
|
{
|
|
return decompress(sjcl.decrypt(key,data));
|
|
}
|
|
|
|
// Returns the current script location (without search or hash part of the URL).
|
|
// eg. http://server.com/zero/?aaaa#bbbb --> http://server.com/zero/
|
|
function scriptLocation()
|
|
{
|
|
return window.location.href.substring(0,window.location.href.length
|
|
-window.location.search.length -window.location.hash.length);
|
|
}
|
|
|
|
// Returns the paste unique identifier from the URL
|
|
// eg. 'c05354954c49a487'
|
|
function pasteID()
|
|
{
|
|
return window.location.search.substring(1);
|
|
}
|
|
|
|
// Set text of a DOM element (required for IE)
|
|
// This is equivalent to element.text(text)
|
|
// Input: element : a DOM element.
|
|
// text : the text to enter.
|
|
function setElementText(element,text)
|
|
{
|
|
if ($('div#oldienotice').is(":visible")) // For IE<10.
|
|
{
|
|
// IE<10 do not support white-space:pre-wrap; so we have to do this BIG UGLY STINKING THING.
|
|
element.text(text.replace(/\n/ig,'{BIG_UGLY_STINKING_THING__OH_GOD_I_HATE_IE}'));
|
|
element.html(element.text().replace(/{BIG_UGLY_STINKING_THING__OH_GOD_I_HATE_IE}/ig,"\r\n<br>"));
|
|
}
|
|
else // for other (sane) browsers:
|
|
{
|
|
element.text(text);
|
|
}
|
|
}
|
|
|
|
// Show decrypted text in the display area, including discussion (if open)
|
|
// Input: messages (Array) : Array of messages to display (items = array with keys ('data','meta')
|
|
// key (string): decryption key
|
|
function displayMessages(key,comments)
|
|
{
|
|
try { // Try to decrypt the paste.
|
|
var cleartext = zeroDecipher(key,comments[0].data);
|
|
} catch(err) {
|
|
$('div#cleartext').hide();
|
|
$('button#clonebutton').hide();
|
|
showError('Could not decrypt data (Wrong key ?)');
|
|
return;
|
|
}
|
|
setElementText($('div#cleartext'),cleartext);
|
|
urls2links($('div#cleartext')); // Convert URLs to clickable links.
|
|
|
|
// Display paste expiration.
|
|
if (comments[0].meta.expire_date) $('div#remainingtime').removeClass('foryoureyesonly').text('This document will expire in '+secondsToHuman(comments[0].meta.remaining_time)+'.').show();
|
|
if (comments[0].meta.burnafterreading)
|
|
{
|
|
$('div#remainingtime').addClass('foryoureyesonly').text('FOR YOUR EYES ONLY. Don\'t close this window, this message can\'t be displayed again.').show();
|
|
$('button#clonebutton').hide(); // Discourage cloning (as it can't really be prevented).
|
|
}
|
|
|
|
// If the discussion is opened on this paste, display it.
|
|
if (comments[0].meta.opendiscussion)
|
|
{
|
|
$('div#comments').html('');
|
|
for (var i = 1; i < comments.length; i++) // For each comment.
|
|
{
|
|
var comment=comments[i];
|
|
var cleartext="[Could not decrypt comment ; Wrong key ?]";
|
|
try { cleartext = zeroDecipher(key,comment.data); } catch(err) { }
|
|
var place = $('div#comments');
|
|
// If parent comment exists, display below (CSS will automatically shift it right.)
|
|
var cname = 'div#comment_'+comment.meta.parentid
|
|
if ($(cname).length) place = $(cname); // If the element exists in page
|
|
var divComment = $('<div class="comment" id="comment_'+comment.meta.commentid+'">'
|
|
+'<div class="commentmeta"><span class="nickname"></span><span class="commentdate"></span></div><div class="commentdata"></div>'
|
|
+'<button onclick="open_reply($(this),\''+comment.meta.commentid+'\');return false;">Reply</button>'
|
|
+'</div>');
|
|
setElementText(divComment.find('div.commentdata'),cleartext);
|
|
urls2links(divComment.find('div.commentdata')); // Convert URLs to clickable links in comment.
|
|
divComment.find('span.nickname').html('<i>(Anonymous)</i>');
|
|
// Try to get optional nickname:
|
|
try { divComment.find('span.nickname').text(zeroDecipher(key,comment.meta.nickname));} catch(err) { }
|
|
divComment.find('span.commentdate').text(' ('+(new Date(comment.meta.postdate*1000).toUTCString())+')').attr('title','CommentID: '+comment.meta.commentid);
|
|
// If an avatar is available, display it.
|
|
if (comment.meta.vizhash)
|
|
divComment.find('span.nickname').before('<img src="'+comment.meta.vizhash+'" class="vizhash" title="Anonymous avatar (Vizhash of the IP address)" />');
|
|
place.append(divComment);
|
|
}
|
|
$('div#comments').append('<div class="comment"><button onclick="open_reply($(this),\''+pasteID()+'\');return false;">Add comment</button></div>');
|
|
$('div#discussion').show();
|
|
}
|
|
}
|
|
|
|
// Open the comment entry when clicking the "Reply" button of a comment.
|
|
// source = element which emitted the event.
|
|
// commentid = identifier of the comment we want to reply to.
|
|
function open_reply(source,commentid)
|
|
{
|
|
$('div.reply').remove(); // Remove any other reply area.
|
|
source.after('<div class="reply">'
|
|
+'<input type="text" id="nickname" title="Optional nickname..." value="Optional nickname..." />'
|
|
+'<textarea id="replymessage" class="replymessage" cols="80" rows="7"></textarea>'
|
|
+'<br><button id="replybutton" onclick="send_comment(\''+commentid+'\');return false;">Post comment</button>'
|
|
+'<div id="replystatus"> </div>'
|
|
+'</div>');
|
|
$('input#nickname').focus(function() {
|
|
$(this).css('color', '#000');
|
|
if($(this).val()==$(this).attr('title')) $(this).val('');
|
|
});
|
|
$('textarea#replymessage').focus();
|
|
}
|
|
|
|
// Send a reply in a discussion.
|
|
// Input: parentid : the comment identifier we want to send a reply to.
|
|
function send_comment(parentid)
|
|
{
|
|
if ($('textarea#replymessage').val().length==0) return; // Do not send if no data.
|
|
showStatus('Sending comment...',spin=true);
|
|
var cipherdata=zeroCipher(pageKey(), $('textarea#replymessage').val());
|
|
var ciphernickname='';
|
|
var nick=$('input#nickname').val();
|
|
if (nick!='' && nick!='Optional nickname...') ciphernickname=ciphernickname=zeroCipher(pageKey(),nick);
|
|
var data_to_send = { data:cipherdata,
|
|
parentid: parentid,
|
|
pasteid: pasteID(),
|
|
nickname: ciphernickname
|
|
};
|
|
$.post(scriptLocation(), data_to_send ,'json' )
|
|
.error( function() { showError('Comment could not be sent (serveur error or not responding).'); } )
|
|
.success(function(data)
|
|
{
|
|
if (data.status==0)
|
|
{
|
|
showStatus('Comment posted.');
|
|
location.reload();
|
|
}
|
|
else if (data.status==1)
|
|
{
|
|
showError('Could not post comment: '+data.message);
|
|
}
|
|
else
|
|
{
|
|
showError('Could not post comment.');
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
// Send a new paste to server
|
|
function send_data()
|
|
{
|
|
if ($('textarea#message').val().length==0) return; // Do not send if no data.
|
|
showStatus('Sending paste...',spin=true);
|
|
var randomkey = sjcl.codec.base64.fromBits(sjcl.random.randomWords(8,0),0);
|
|
var cipherdata = zeroCipher(randomkey,$('textarea#message').val());
|
|
var data_to_send = { data:cipherdata,
|
|
expire:$('select#pasteExpiration').val(),
|
|
opendiscussion:$('input#opendiscussion').is(':checked')?1:0
|
|
};
|
|
$.post(scriptLocation(), data_to_send ,'json' )
|
|
.error( function() { showError('Data could not be sent (serveur error or not responding).'); } )
|
|
.success(function(data)
|
|
{
|
|
if (data.status==0)
|
|
{
|
|
stateExistingPaste();
|
|
var url=scriptLocation()+"?"+data.id+'#'+randomkey;
|
|
showStatus('');
|
|
$('div#pastelink').html('Your paste is <a href="'+url+'">'+url+'</a>');
|
|
$('div#pastelink').append(' <button id="shortenbutton" onclick="document.location=\''+shortenUrl(url)+'\'"><img src="lib/icon_shorten.png" width="13" height="15" />Shorten URL</button>').show();
|
|
setElementText($('div#cleartext'),$('textarea#message').val());
|
|
urls2links($('div#cleartext'));
|
|
showStatus('');
|
|
}
|
|
else if (data.status==1)
|
|
{
|
|
showError('Could not create paste: '+data.message);
|
|
}
|
|
else
|
|
{
|
|
showError('Could not create paste.');
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
// Put the screen in "New paste" mode.
|
|
function stateNewPaste()
|
|
{
|
|
$('button#sendbutton').show();
|
|
$('button#clonebutton').hide();
|
|
$('div#expiration').show();
|
|
$('div#remainingtime').hide();
|
|
$('div#language').hide(); // $('#language').show();
|
|
$('input#password').hide(); //$('#password').show();
|
|
$('div#opendisc').show();
|
|
$('button#newbutton').show();
|
|
$('div#pastelink').hide();
|
|
$('textarea#message').text('');
|
|
$('textarea#message').show();
|
|
$('div#cleartext').hide();
|
|
$('div#message').focus();
|
|
$('div#discussion').hide();
|
|
}
|
|
|
|
// Put the screen in "Existing paste" mode.
|
|
function stateExistingPaste()
|
|
{
|
|
$('button#sendbutton').hide();
|
|
if (!$('div#oldienotice').is(":visible")) $('button#clonebutton').show(); // No "clone" for IE<10.
|
|
$('button#clonebutton').show();// FIXME
|
|
$('div#expiration').hide();
|
|
$('div#language').hide();
|
|
$('input#password').hide();
|
|
$('div#opendisc').hide();
|
|
$('button#newbutton').show();
|
|
$('div#pastelink').hide();
|
|
$('textarea#message').hide();
|
|
$('div#cleartext').show();
|
|
}
|
|
|
|
// Clone the current paste.
|
|
function clonePaste()
|
|
{
|
|
stateNewPaste();
|
|
showStatus('');
|
|
$('textarea#message').text($('div#cleartext').text());
|
|
}
|
|
|
|
// Create a new paste.
|
|
function newPaste()
|
|
{
|
|
stateNewPaste();
|
|
showStatus('');
|
|
$('textarea#message').text('');
|
|
}
|
|
|
|
// Display an error message
|
|
// (We use the same function for paste and reply to comments)
|
|
function showError(message)
|
|
{
|
|
$('div#status').addClass('errorMessage').text(message);
|
|
$('div#replystatus').addClass('errorMessage').text(message);
|
|
}
|
|
|
|
// Display status
|
|
// (We use the same function for paste and reply to comments)
|
|
// message (string) = text to display
|
|
// spin (boolean, optional) = tell if the "spinning" animation should be displayed.
|
|
function showStatus(message,spin)
|
|
{
|
|
$('div#replystatus').removeClass('errorMessage');
|
|
$('div#replystatus').text(message);
|
|
if (!message) { $('div#status').html(' '); return; }
|
|
if (message=='') { $('div#status').html(' '); return; }
|
|
$('div#status').removeClass('errorMessage');
|
|
$('div#status').text(message);
|
|
if (spin)
|
|
{
|
|
var img = '<img src="lib/busy.gif" style="width:16px;height:9px;margin:0px 4px 0px 0px;" />';
|
|
$('div#status').prepend(img);
|
|
$('div#replystatus').prepend(img);
|
|
}
|
|
}
|
|
|
|
// Generate link to URL shortener.
|
|
function shortenUrl(url)
|
|
{
|
|
return 'http://snipurl.com/site/snip?link='+encodeURIComponent(url);
|
|
}
|
|
|
|
// Convert URLs to clickable links.
|
|
// Input: element : a jQuery DOM element.
|
|
// Example URLs to handle:
|
|
// magnet:?xt.1=urn:sha1:YNCKHTQCWBTRNJIV4WNAE52SJUQCZO5C&xt.2=urn:sha1:TXGCZQTH26NL6OUQAJJPFALHG2LTGBC7
|
|
// http://localhost:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM=
|
|
// http://user:password@localhost:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM=
|
|
// FIXME: add ppa & apt links.
|
|
function urls2links(element)
|
|
{
|
|
var re = /((http|https|ftp):\/\/[\w?=&.\/-;#@~%+-]+(?![\w\s?&.\/;#~%"=-]*>))/ig;
|
|
element.html(element.html().replace(re,'<a href="$1" rel="nofollow">$1</a>'));
|
|
var re = /((magnet):[\w?=&.\/-;#@~%+-]+)/ig;
|
|
element.html(element.html().replace(re,'<a href="$1">$1</a>'));
|
|
}
|
|
|
|
// Return the deciphering key stored in anchor part of the URL
|
|
function pageKey()
|
|
{
|
|
var key = window.location.hash.substring(1); // Get key
|
|
|
|
// Some stupid web 2.0 services and redirectors add data AFTER the anchor
|
|
// (such as &utm_source=...).
|
|
// We will strip any additional data.
|
|
|
|
// First, strip everything after the equal sign (=) which signals end of base64 string.
|
|
i = key.indexOf('='); if (i>-1) { key = key.substring(0,i+1); }
|
|
|
|
// If the equal sign was not present, some parameters may remain:
|
|
i = key.indexOf('&'); if (i>-1) { key = key.substring(0,i); }
|
|
|
|
// Then add trailing equal sign if it's missing
|
|
if (key.charAt(key.length-1)!=='=') key+='=';
|
|
|
|
return key;
|
|
}
|
|
|
|
$(document).ready(function() {
|
|
|
|
$('select#pasteExpiration').change(function() {
|
|
if ($(this).val()=='burn') { $('div#opendisc').addClass('buttondisabled'); $('input#opendiscussion').attr('disabled',true); }
|
|
else { $('div#opendisc').removeClass('buttondisabled'); $('input#opendiscussion').removeAttr('disabled'); }
|
|
});
|
|
|
|
|
|
if ($('div#cipherdata').text().length>1) // Display an existing paste
|
|
{
|
|
if (window.location.hash.length==0) // Missing decryption key in URL ?
|
|
{
|
|
showError('Cannot decrypt paste: Decryption key missing in URL (Did you use a redirector or an URL shortener which strips part of the URL ?)');
|
|
return;
|
|
}
|
|
var messages = jQuery.parseJSON($('div#cipherdata').text()); // List of messages to display
|
|
stateExistingPaste(); // Show proper elements on screen.
|
|
displayMessages(pageKey(),messages);
|
|
}
|
|
else if ($('div#errormessage').text().length>1) // Display error message from php code.
|
|
{
|
|
showError($('div#errormessage').text());
|
|
}
|
|
else // Create a new paste.
|
|
{
|
|
newPaste();
|
|
}
|
|
});
|