'
+ ''
+ '
' + html + ''); } // for other (sane) browsers: else { $element.text(text); } }; /** * convert URLs to clickable links. * URLs to handle: *
* magnet:?xt.1=urn:sha1:YNCKHTQCWBTRNJIV4WNAE52SJUQCZO5C&xt.2=urn:sha1:TXGCZQTH26NL6OUQAJJPFALHG2LTGBC7
* http://example.com:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM=
* http://user:example.com@localhost:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM=
*
*
* @name helper.urls2links
* @function
* @param {Object} element - a jQuery DOM element
*/
me.urls2links = function(element)
{
var markup = '$1';
element.html(
element.html().replace(
/((http|https|ftp):\/\/[\w?=&.\/-;#@~%+-]+(?![\w\s?&.\/;#~%"=-]*>))/ig,
markup
)
);
element.html(
element.html().replace(
/((magnet):[\w?=&.\/-;#@~%+-]+)/ig,
markup
)
);
};
/**
* minimal sprintf emulation for %s and %d formats
*
* @see {@link https://stackoverflow.com/questions/610406/javascript-equivalent-to-printf-string-format#4795914}
* @name helper.sprintf
* @function
* @param {string} format
* @param {...*} args - one or multiple parameters injected into format string
* @return {string}
*/
me.sprintf = function()
{
var args = arguments;
if (typeof arguments[0] === 'object')
{
args = arguments[0];
}
var format = args[0],
i = 1;
return format.replace(/%((%)|s|d)/g, function (m) {
// m is the matched format, e.g. %s, %d
var val;
if (m[2]) {
val = m[2];
} else {
val = args[i];
// A switch statement so that the formatter can be extended.
switch (m)
{
case '%d':
val = parseFloat(val);
if (isNaN(val)) {
val = 0;
}
break;
default:
// Default is %s
}
++i;
}
return val;
});
};
/**
* get value of cookie, if it was set, empty string otherwise
*
* @see {@link http://www.w3schools.com/js/js_cookies.asp}
* @name helper.getCookie
* @function
* @param {string} cname
* @return {string}
*/
me.getCookie = function(cname) {
var name = cname + '=',
ca = document.cookie.split(';');
for (var i = 0; i < ca.length; ++i) {
var c = ca[i];
while (c.charAt(0) === ' ')
{
c = c.substring(1);
}
if (c.indexOf(name) === 0)
{
return c.substring(name.length, c.length);
}
}
return '';
};
/**
* get the current script location (without search or hash part of the URL),
* eg. http://example.com/path/?aaaa#bbbb --> http://example.com/path/
*
* @name helper.scriptLocation
* @function
* @return {string} current script location
*/
me.scriptLocation = function()
{
// check for cached version
if (scriptLocation !== null) {
return scriptLocation;
}
scriptLocation = window.location.href.substring(
0,
window.location.href.length - window.location.search.length - window.location.hash.length
);
var hashIndex = scriptLocation.indexOf('?');
if (hashIndex !== -1)
{
scriptLocation = scriptLocation.substring(0, hashIndex);
}
return scriptLocation;
};
/**
* get the pastes unique identifier from the URL,
* eg. http://example.com/path/?c05354954c49a487#c05354954c49a487 returns c05354954c49a487
*
* @name helper.pasteId
* @function
* @return {string} unique identifier
*/
me.pasteId = function()
{
return window.location.search.substring(1);
};
/**
* return the deciphering key stored in anchor part of the URL
*
* @name helper.pageKey
* @function
* @return {string} key
*/
me.pageKey = function()
{
var key = window.location.hash.substring(1),
i = key.indexOf('&');
// Some web 2.0 services and redirectors add data AFTER the anchor
// (such as &utm_source=...). We will strip any additional data.
if (i > -1)
{
key = key.substring(0, i);
}
return key;
};
/**
* convert all applicable characters to HTML entities
*
* @see {@link https://www.owasp.org/index.php/XSS_(Cross_Site_Scripting)_Prevention_Cheat_Sheet#RULE_.231_-_HTML_Escape_Before_Inserting_Untrusted_Data_into_HTML_Element_Content}
* @name helper.htmlEntities
* @function
* @param {string} str
* @return {string} escaped HTML
*/
me.htmlEntities = function(str) {
return String(str).replace(
/[&<>"'`=\/]/g, function(s) {
return entityMap[s];
});
};
return me;
})(window, document);
/**
* internationalization methods
*
* @param {object} window
* @param {object} document
* @class
*/
var i18n = (function (window, document) {
var me = {};
/**
* supported languages, minus the built in 'en'
*
* @private
* @prop {string[]}
* @readonly
*/
var supportedLanguages = ['de', 'es', 'fr', 'it', 'no', 'pl', 'oc', 'ru', 'sl', 'zh'];
/**
* built in language
*
* @private
* @prop {string}
*/
var language = 'en';
/**
* translation cache
*
* @private
* @enum {Object}
*/
var translations = {};
/**
* translate a string, alias for i18n.translate()
*
* @name i18n._
* @function
* @param {string} messageId
* @param {...*} args - one or multiple parameters injected into placeholders
* @return {string}
*/
me._ = function()
{
return me.translate(arguments);
};
/**
* translate a string
*
* @name i18n.translate
* @function
* @param {string} messageId
* @param {...*} args - one or multiple parameters injected into placeholders
* @return {string}
*/
me.translate = function()
{
var args = arguments, messageId;
if (typeof arguments[0] === 'object')
{
args = arguments[0];
}
var usesPlurals = $.isArray(args[0]);
if (usesPlurals)
{
// use the first plural form as messageId, otherwise the singular
messageId = (args[0].length > 1 ? args[0][1] : args[0][0]);
}
else
{
messageId = args[0];
}
if (messageId.length === 0)
{
return messageId;
}
if (!translations.hasOwnProperty(messageId))
{
if (language !== 'en')
{
console.error(
'Missing ' + language + ' translation for: ' + messageId
);
}
translations[messageId] = args[0];
}
if (usesPlurals && $.isArray(translations[messageId]))
{
var n = parseInt(args[1] || 1, 10),
key = me.getPluralForm(n),
maxKey = translations[messageId].length - 1;
if (key > maxKey)
{
key = maxKey;
}
args[0] = translations[messageId][key];
args[1] = n;
}
else
{
args[0] = translations[messageId];
}
return helper.sprintf(args);
};
/**
* per language functions to use to determine the plural form
*
* @see {@link http://localization-guide.readthedocs.org/en/latest/l10n/pluralforms.html}
* @name i18n.getPluralForm
* @function
* @param {number} n
* @return {number} array key
*/
me.getPluralForm = function(n) {
switch (language)
{
case 'fr':
case 'oc':
case 'zh':
return (n > 1 ? 1 : 0);
case 'pl':
return (n === 1 ? 0 : (n % 10 >= 2 && n %10 <=4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2));
case 'ru':
return (n % 10 === 1 && n % 100 !== 11 ? 0 : (n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2));
case 'sl':
return (n % 100 === 1 ? 1 : (n % 100 === 2 ? 2 : (n % 100 === 3 || n % 100 === 4 ? 3 : 0)));
// de, en, es, it, no
default:
return (n !== 1 ? 1 : 0);
}
};
/**
* load translations into cache, then trigger controller initialization
*
* @name i18n.loadTranslations
* @function
*/
me.loadTranslations = function()
{
var newLanguage = helper.getCookie('lang');
// auto-select language based on browser settings
if (newLanguage.length === 0)
{
newLanguage = (navigator.language || navigator.userLanguage).substring(0, 2);
}
// if language is already used (e.g, default 'en'), skip update
if (newLanguage === language) {
return;
}
// if language is not supported, show error
if (supportedLanguages.indexOf(newLanguage) === -1) {
console.error('Language \'%s\' is not supported. Translation failed, fallback to English.', newLanguage);
}
// load strongs from JSON
$.getJSON('i18n/' + newLanguage + '.json', function(data) {
language = newLanguage;
translations = data;
}).fail(function (data, textStatus, errorMsg) {
console.error('Language \'%s\' could not be loaded (%s: %s). Translation failed, fallback to English.', newLanguage, textStatus, errorMsg);
});
};
return me;
})(window, document);
/**
* handles everything related to en/decryption
*
* @class
*/
var cryptTool = (function () {
var me = {};
/**
* compress a message (deflate compression), returns base64 encoded data
*
* @name cryptToolcompress
* @function
* @private
* @param {string} message
* @return {string} base64 data
*/
function compress(message)
{
return Base64.toBase64( RawDeflate.deflate( Base64.utob(message) ) );
}
/**
* decompress a message compressed with cryptToolcompress()
*
* @name cryptTooldecompress
* @function
* @private
* @param {string} data - base64 data
* @return {string} message
*/
function decompress(data)
{
return Base64.btou( RawDeflate.inflate( Base64.fromBase64(data) ) );
}
/**
* compress, then encrypt message with given key and password
*
* @name cryptTool.cipher
* @function
* @param {string} key
* @param {string} password
* @param {string} message
* @return {string} data - JSON with encrypted data
*/
me.cipher = function(key, password, message)
{
// Galois Counter Mode, keysize 256 bit, authentication tag 128 bit
var options = {
mode: 'gcm',
ks: 256,
ts: 128
};
if ((password || '').trim().length === 0)
{
return sjcl.encrypt(key, compress(message), options);
}
return sjcl.encrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), compress(message), options);
};
/**
* decrypt message with key, then decompress
*
* @name cryptTool.decipher
* @function
* @param {string} key
* @param {string} password
* @param {string} data - JSON with encrypted data
* @return {string} decrypted message
*/
me.decipher = function(key, password, data)
{
if (data !== undefined)
{
try
{
return decompress(sjcl.decrypt(key, data));
}
catch(err)
{
try
{
return decompress(sjcl.decrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), data));
}
catch(e)
{
// ignore error, because ????? @TODO
}
}
}
return '';
};
/**
* checks whether the crypt tool is ready.
*
* @name cryptTool.isReady
* @function
* @return {bool}
*/
me.isEntropyReady = function()
{
return sjcl.random.isReady();
};
/**
* checks whether the crypt tool is ready.
*
* @name cryptTool.isReady
* @function
* @param {function} - the function to add
*/
me.addEntropySeedListener = function(func)
{
sjcl.random.addEventListener('seeded', func);
};
/**
* returns a random symmetric key
*
* @name cryptTool.getSymmetricKey
* @function
* @return {string}
*/
me.getSymmetricKey = function(func)
{
return sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 0), 0);
};
/**
* initialize crypt tool
*
* @name cryptTool.init
* @function
*/
me.init = function()
{
// will fail earlier as sjcl is already passed as a parameter
// if (typeof sjcl !== 'object') {
// alert.showError(
// i18n._('The library %s is not available.', 'sjcl') +
// i18n._('Messages cannot be decrypted or encrypted.')
// );
// }
};
return me;
})();
/**
* Data source (aka MVC)
*
* @param {object} window
* @param {object} document
* @class
*/
var modal = (function (window, document) {
var me = {};
var $cipherData;
/**
* check if cipher data was supplied
*
* @name modal.getCipherData
* @function
* @return boolean
*/
me.hasCipherData = function()
{
return (me.getCipherData().length > 0);
};
/**
* returns the cipher data
*
* @name modal.getCipherData
* @function
* @return string
*/
me.getCipherData = function()
{
return $cipherData.text();
};
/**
* returns the expiration set in the HTML
*
* @name modal.getExpirationDefault
* @function
* @return string
* @TODO the template can be simplified as #pasteExpiration is no longer modified (only default value)
*/
me.getExpirationDefault = function()
{
return $('#pasteExpiration').val();
};
/**
* returns the format set in the HTML
*
* @name modal.getFormatDefault
* @function
* @return string
* @TODO the template can be simplified as #pasteFormatter is no longer modified (only default value)
*/
me.getFormatDefault = function()
{
return $('#pasteFormatter').val();
};
/**
* init navigation manager
*
* preloads jQuery elements
*
* @name modal.init
* @function
*/
me.init = function()
{
$cipherData = $('#cipherdata');
};
return me;
})(window, document);
/**
* User interface manager
*
* @param {object} window
* @param {object} document
* @class
*/
var uiMan = (function (window, document) {
var me = {};
// jQuery pre-loaded objects
var $clearText,
$clonedFile,
$comments,
$discussion,
$image,
$prettyMessage,
$prettyPrint,
$editorTabs,
$remainingTime,
$replyStatus;
/**
* handle history (pop) state changes
*
* currently this does only handle redirects to the home page.
*
* @name controller.historyChange
* @function
* @param {Event} event
*/
me.historyChange = function(event)
{
var currentLocation = helper.scriptLocation();
if (event.originalEvent.state === null && // no state object passed
event.originalEvent.target.location.href === currentLocation && // target location is home page
window.location.href === currentLocation // and we are not already on the home page
) {
// redirect to home page
window.location.href = currentLocation;
}
};
/**
* reload the page
*
* This takes the user to the PrivateBin home page.
*
* @name controller.reloadPage
* @function
* @param {Event} event
*/
me.reloadPage = function(event)
{
window.location.href = helper.scriptLocation();
event.preventDefault();
};
/**
* main UI manager
*
* @name controller.init
* @function
*/
me.init = function()
{
// hide "no javascript" message
$('#noscript').hide();
// bind events
$('.reloadlink').click(me.reloadPage);
$(window).on('popstate', me.historyChange);
};
return me;
})(window, document);
/**
* alert/notification manager
*
* @param {object} window
* @param {object} document
* @class
*/
var alert = (function (window, document) {
var me = {};
var $attachment,
$attachmentLink,
$errorMessage,
$clonedFile,
$fileWrap,
$status,
$pasteSuccess,
$shortenButton,
$pasteUrl;
/**
* display a status message
*
* @name controller.showStatus
* @function
* @param {string} message - text to display
* @param {boolean} [spin=false] - (optional) tell if the "spinning" animation should be displayed, defaults to false
*/
me.showStatus = function(message, spin)
{
// spin is ignored for now
$status.text(message);
};
/**
* display a status message for replying to comments
*
* @name controller.showStatus
* @function
* @param {string} message - text to display
* @param {boolean} [spin=false] - (optional) tell if the "spinning" animation should be displayed, defaults to false
*/
me.showReplyStatus = function(message, spin)
{
if (spin || false) {
$replyalert.find('.spinner').removeClass('hidden')
}
$replyalert.text(message);
};
/**
* hides any status messages
*
* @name controller.hideMessages
* @function
*/
me.hideMessages = function()
{
$status.html(' ');
};
/**
* display an error message
*
* @name alert.showError
* @function
* @param {string} message - text to display
*/
me.showError = function(message)
{
$errorMessage.removeClass('hidden');
$errorMessage.find(':last').text(message);
};
/**
* display an error message
*
* @name alert.showError
* @function
* @param {string} message - text to display
*/
me.showReplyError = function(message)
{
$replyalert.addClass('alert-danger');
$replyalert.addClass($errorMessage.attr('class')); // @TODO ????
$replyalert.text(message);
};
/**
* removes the existing attachment
*
* @name alert.removeAttachment
* @function
*/
me.removeAttachment = function()
{
$clonedFile.addClass('hidden');
// removes the saved decrypted file data
$attachmentLink.attr('href', '');
// the only way to deselect the file is to recreate the input // @TODO really?
$fileWrap.html($fileWrap.html());
$fileWrap.removeClass('hidden');
};
/**
* checks if there is an attachment
*
* @name alert.hasAttachment
* @function
*/
me.hasAttachment = function()
{
return typeof $attachmentLink.attr('href') !== 'undefined'
};
/**
* return the attachment
*
* @name alert.getAttachment
* @function
* @returns {array}
*/
me.getAttachment = function()
{
return [
$attachmentLink.attr('href'),
$attachmentLink.attr('download')
];
};
/**
* forward to URL shortener
*
* @private
* @function
* @param {Event} event
*/
function sendToShortener(event)
{
window.location.href = $shortenButton.data('shortener')
+ encodeURIComponent($pasteUrl.attr('href'));
}
/**
* reload the page
*
* This takes the user to the PrivateBin home page.
*
* @name controller.createPasteNotification
* @function
* @param {string} url
* @param {string} deleteUrl
*/
me.createPasteNotification = function(url, deleteUrl)
{
$('#pastelink').find(':first').html(
i18n._(
'Your paste is %s (Hit [Ctrl]+[c] to copy)',
url, url
)
);
// save newly created element
$pasteUrl = $('#pasteurl');
// and add click event
$pasteUrl.click(pasteLinkClick);
// shorten button
$('#deletelink').html('' + i18n._('Delete data') + '');
// show result
$pasteSuccess.removeClass('hidden');
// we pre-select the link so that the user only has to [Ctrl]+[c] the link
helper.selectText($pasteUrl[0]);
};
/**
* Forces opening the paste if the link does not do this automatically.
*
* This is necessary as browsers will not reload the page when it is
* already loaded (which is fake as it is set via history.pushState()).
*
* @name controller.pasteLinkClick
* @function
* @param {Event} event
*/
function pasteLinkClick(event)
{
// check if location is (already) shown in URL bar
if (window.location.href === $pasteUrl.attr('href')) {
// if so we need to load link by reloading the current site
window.location.reload(true);
}
}
/**
* init status manager
*
* preloads jQuery elements
*
* @name alert.init
* @function
*/
me.init = function()
{
// hide "no javascript" message
$('#noscript').hide();
$shortenButton = $('#shortenbutton');
$attachment = $('#attachment');
$attachmentLink = $('#attachment a');
$clonedFile = $('#clonedfile');
$errorMessage = $('#errormessage');
$fileWrap = $('#filewrap');
$pasteSuccess = $('#pasteSuccess');
// $pasteUrl is saved in submitPasteUpload() if/after it is
// actually created
$status = $('#status');
// @TODO $replyStatus …
// bind elements
$shortenButton.click(sendToShortener);
// display status returned by php code, if any (eg. paste was properly deleted)
// @TODO remove this by handling errors in a different way
if ($status.text().length > 0)
{
me.showStatus($status.text());
return;
}
// keep line height even if content empty
$status.html(' '); // @TODO what? remove?
// display error message from php code
if ($errorMessage.text().length > 1) {
me.showError($errorMessage.text());
}
};
return me;
})(window, document);
/**
* Passwort prompt
*
* @param {object} window
* @param {object} document
* @class
*/
var prompt = (function (window, document) {
var me = {};
var $passwordModal,
$passwordForm,
$passwordDecrypt;
/**
* ask the user for the password and set it
*
* @name controller.requestPassword
* @function
*/
me.requestPassword = function()
{
if ($passwordModal.length === 0) {
// old method for page template
var password = prompt(i18n._('Please enter the password for this paste:'), '');
if (password === null)
{
// @TODO when does this happen?
throw 'password prompt canceled';
}
if (password.length === 0)
{
// recursive…
me.requestPassword();
} else {
$passwordInput.val(password);
me.displayMessages();
}
} else {
// new bootstrap method
$passwordModal.modal();
}
};
/**
* decrypt using the password from the modal dialog
*
* @name controller.decryptPasswordModal
* @function
*/
me.getPassword = function()
{
if ($passwordDecrypt.val().length === 0) {
me.requestPassword();
}
return $passwordDecrypt.val();
// $passwordInput.val($passwordDecrypt.val());
// me.displayMessages();
};
/**
* submit a password in the modal dialog
*
* @name controller.submitPasswordModal
* @function
* @param {Event} event
*/
me.submitPasswordModal = function(event)
{
event.preventDefault();
$passwordModal.modal('hide');
};
/**
* init status manager
*
* preloads jQuery elements
*
* @name controller.init
* @function
*/
me.init = function()
{
$passwordModal = $('#passwordmodal');
$passwordForm = $('#passwordform');
$passwordDecrypt = $('#passworddecrypt');
// bind events
// focus password input when it is shown
$passwordModal.on('shown.bs.modal', function () {
$passwordDecrypt.focus();
});
// handle modal password request on decryption
$passwordModal.on('hidden.bs.modal', me.decryptPasswordModal);
$passwordForm.submit(me.submitPasswordModal);
};
return me;
})(window, document);
/**
* Manage paste/message input
*
* @param {object} window
* @param {object} document
* @class
*/
var editor = (function (window, document) {
var me = {};
var $message,
$messageEdit,
$messagePreview,
$editorTabs;
var isPreview = false;
/**
* support input of tab character
*
* @name editor.supportTabs
* @function
* @param {Event} event
* @TODO doc what is @this here?
* @TODO replace this with $message ??
*/
function supportTabs(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;
}
}
/**
* view the editor tab
*
* @name editor.viewEditor
* @function
* @param {Event} event - optional
*/
function viewEditor(event)
{
// toggle buttons
$messageEdit.addClass('active');
$messagePreview.removeClass('active');
pasteViewer.hide();
// reshow input
$message.removeClass('hidden');
me.focusInput();
// me.stateNewPaste();
// finish
isPreview = false;
// if (typeof event === 'undefined') {
// event.preventDefault();
// } // @TODO confirm this is not needed
}
/**
* view the preview tab
*
* @name editor.viewPreview
* @function
* @param {Event} event
*/
function viewPreview(event)
{
// toggle buttons
$messageEdit.removeClass('active');
$messagePreview.addClass('active');
// hide input as now preview is shown
$message.addClass('hidden');
// show preview
$('#errormessage').find(':last')
pasteViewer.setText($message.val());
pasteViewer.trigger();
// finish
isPreview = true;
// if (typeof event === 'undefined') {
// event.preventDefault();
// } // @TODO confirm this is not needed
}
/**
* get the state of the preview
*
* @name editor.isPreview
* @function
*/
me.isPreview = function()
{
return isPreview;
}
/**
* reset the editor view
*
* @name editor.resetInput
* @function
*/
me.resetInput = function()
{
// go back to input
if (isPreview) {
viewEditor();
}
// clear content
$message.val('');
};
/**
* shows the editor
*
* @name editor.show
* @function
*/
me.show = function()
{
$message.removeClass('hidden');
$editorTabs.removeClass('hidden');
};
/**
* hides the editor
*
* @name editor.reset
* @function
*/
me.hide = function()
{
$message.addClass('hidden');
$editorTabs.addClass('hidden');
};
/**
* focuses the message input
*
* @name editor.focusInput
* @function
*/
me.focusInput = function()
{
$message.focus();
};
/**
* returns the current text
*
* @name editor.getText
* @function
* @return {string}
*/
me.getText = function()
{
return $message.val()
};
/**
* init status manager
*
* preloads jQuery elements
*
* @name editor.init
* @function
*/
me.init = function()
{
$message = $('#message');
$editorTabs = $('#editorTabs');
// bind events
$message.keydown(supportTabs);
// bind click events to tab switchers (a), but save parent of them
// (li)
$messageEdit = $('#messageedit').click(viewEditor).parent();
$messagePreview = $('#messagepreview').click(viewPreview).parent();
};
return me;
})(window, document);
/**
* Parse and show paste.
*
* @param {object} window
* @param {object} document
* @class
*/
var pasteViewer = (function (window, document) {
var me = {};
var $clearText,
$comments,
$discussion,
$image,
$placeholder,
$prettyMessage,
$prettyPrint,
$remainingTime;
var text,
format = 'plaintext',
isDisplayed = false,
isChanged = true; // by default true as nothing was parsed yet
/**
* apply the set format on paste and displays it
*
* @name pasteViewer.parsePaste
* @private
* @function
*/
function parsePaste()
{
// skip parsing if no text is given
if (text === '') {
return;
}
// set text
helper.setElementText($clearText, text);
helper.setElementText($prettyPrint, text);
switch (format) {
case 'markdown':
var converter = new showdown.Converter({
strikethrough: true,
tables: true,
tablesHeaderId: true
});
$clearText.html(
converter.makeHtml(text)
);
// add table classes from bootstrap css
$clearText.find('table').addClass('table-condensed table-bordered');
break;
case 'syntaxhighlighting':
// @TODO is this really needed or is "one" enough?
if (typeof prettyPrint === 'function')
{
prettyPrint();
}
$prettyPrint.html(
prettyPrintOne(
helper.htmlEntities(text), null, true
)
);
// fall through, as the rest is the same
default: // = 'plaintext'
// convert URLs to clickable links
helper.urls2links($clearText);
helper.urls2links($prettyPrint);
$prettyPrint.css('white-space', 'pre-wrap');
$prettyPrint.css('word-break', 'normal');
$prettyPrint.removeClass('prettyprint');
}
}
/**
* displays the paste
*
* @name pasteViewer.show
* @private
* @function
*/
function showPaste()
{
// instead of "nothing" better display a placeholder
if (text === '') {
$placeholder.removeClass('hidden')
return;
}
// otherwise hide the placeholder
$placeholder.addClass('hidden')
switch (format) {
case 'markdown':
$clearText.removeClass('hidden');
$prettyMessage.addClass('hidden');
break;
default:
$clearText.addClass('hidden');
$prettyMessage.removeClass('hidden');
break;
}
}
/**
* show decrypted text in the display area, including discussion (if open)
*
* @name pasteViewer.displayPaste
* @function
* @param {Object} [paste] - (optional) object including comments to display (items = array with keys ('data','meta'))
*/
me.displayPaste = function(paste)
{
paste = paste || $.parseJSON(modal.getCipherData());
var key = helper.pageKey(),
password = $passwordInput.val();
if (!$prettyPrint.hasClass('prettyprinted')) {
// Try to decrypt the paste.
try
{
if (paste.attachment)
{
var attachment = cryptTool.decipher(key, password, paste.attachment);
if (attachment.length === 0)
{
if (password.length === 0)
{
me.requestPassword();
return;
}
attachment = cryptTool.decipher(key, password, paste.attachment);
}
if (attachment.length === 0)
{
throw 'failed to decipher attachment';
}
if (paste.attachmentname)
{
var attachmentname = cryptTool.decipher(key, password, paste.attachmentname);
if (attachmentname.length > 0)
{
$attachmentLink.attr('download', attachmentname);
}
}
$attachmentLink.attr('href', attachment);
$attachment.removeClass('hidden');
// if the attachment is an image, display it
var imagePrefix = 'data:image/';
if (attachment.substring(0, imagePrefix.length) === imagePrefix)
{
$image.html(
$(document.createElement('img'))
.attr('src', attachment)
.attr('class', 'img-thumbnail')
);
$image.removeClass('hidden');
}
}
var cleartext = cryptTool.decipher(key, password, paste.data);
if (cleartext.length === 0 && password.length === 0 && !paste.attachment)
{
me.requestPassword();
return;
}
if (cleartext.length === 0 && !paste.attachment)
{
throw 'failed to decipher message';
}
$passwordInput.val(password);
if (cleartext.length > 0)
{
pasteViewer.setFormat(paste.meta.formatter);
me.formatPaste(paste.meta.formatter, cleartext);
}
}
catch(err)
{
me.stateOnlyNewPaste();
me.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.'
];
$remainingTime.find(':last').text(i18n._(expirationLabel, expiration[0]));
$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: helper.scriptLocation() + '?' + helper.pasteId(),
data: {deletetoken: 'burnafterreading'},
dataType: 'json',
headers: headers
})
.fail(function() {
controller.showError(i18n._('Could not delete the paste, it was not stored in burn after reading mode.'));
});
$remainingTime.find(':last').text(i18n._(
'FOR YOUR EYES ONLY. Don\'t close this window, this message can\'t be displayed again.'
));
$remainingTime.addClass('foryoureyesonly')
.removeClass('hidden');
// discourage cloning (as it can't really be prevented)
$cloneButton.addClass('hidden');
}
// if the discussion is opened on this paste, display it
if (paste.meta.opendiscussion)
{
$comments.html('');
var $divComment;
// iterate over comments
for (var i = 0; i < paste.comments.length; ++i)
{
var $place = $comments,
comment = paste.comments[i],
commentText = cryptTool.decipher(key, password, comment.data),
$parentComment = $('#comment_' + comment.parentid);
$divComment = $('' + helper.htmlEntities(paste) + ''); newDoc.close(); event.preventDefault(); } /** * set the language in a cookie and reload the page * * @name topNav.setLanguage * @function * @param {Event} event */ function setLanguage(event) { document.cookie = 'lang=' + $(event.target).data('lang'); me.reloadPage(event); } /** * Shows all elements belonging to viwing an existing pastes * * @name topNav.hideAllElem * @function */ me.showViewButtons = function() { if (viewButtonsDisplayed) { console.log('showViewButtons: view buttons are already displayed'); return; } $cloneButton.removeClass('hidden'); $rawTextButton.removeClass('hidden'); viewButtonsDisplayed = true; }; /** * Hides all elements belonging to existing pastes * * @name topNav.hideAllElem * @function */ me.hideViewButtons = function() { if (!viewButtonsDisplayed) { console.log('hideViewButtons: view buttons are already hidden'); return; } $cloneButton.addClass('hidden'); $rawTextButton.addClass('hidden'); viewButtonsDisplayed = false; }; /** * shows all elements needed when creating a new paste * * @name topNav.setLanguage * @function */ me.showCreateButtons = function() { if (createButtonsDisplayed) { console.log('showCreateButtons: create buttons are already displayed'); return; } $sendButton.removeClass('hidden'); $expiration.removeClass('hidden'); $formatter.removeClass('hidden'); $burnAfterReadingOption.removeClass('hidden'); $openDiscussionOption.removeClass('hidden'); $newButton.removeClass('hidden'); $password.removeClass('hidden'); $attach.removeClass('hidden'); // $clonedFile.removeClass('hidden'); // @TODO createButtonsDisplayed = true; }; /** * shows all elements needed when creating a new paste * * @name topNav.setLanguage * @function */ me.hideCreateButtons = function() { if (!createButtonsDisplayed) { console.log('hideCreateButtons: create buttons are already hidden'); return; } $sendButton.addClass('hidden'); $expiration.addClass('hidden'); $formatter.addClass('hidden'); $burnAfterReadingOption.addClass('hidden'); $openDiscussionOption.addClass('hidden'); $newButton.addClass('hidden'); $password.addClass('hidden'); $attach.addClass('hidden'); // $clonedFile.addClass('hidden'); // @TODO createButtonsDisplayed = false; }; /** * only shows the "new paste" button * * @name topNav.setLanguage * @function */ me.showNewPasteButton = function() { $newButton.addClass('hidden'); }; /** * shows a loading message, optionally with a percentage * * @name topNav.showLoading * @function * @param {string} message optional, default: 'Loading…' * @param {int} percentage optional, default: null */ me.showLoading = function(message, percentage) { // default message text if (typeof message === 'undefined') { message = i18n._('Loading…'); } console.log($loadingIndicator); // currently percentage parameter is ignored if (message !== null) { $loadingIndicator.find(':last').text(message); } $loadingIndicator.removeClass('hidden'); }; /** * hides the loading message * * @name topNav.hideLoading * @function */ me.hideLoading = function() { $loadingIndicator.addClass('hidden'); }; /** * collapses the navigation bar if nedded * * @name topNav.collapseBar * @function */ me.collapseBar = function() { var $bar = $('.navbar-toggle'); // check if bar is expanded if ($bar.hasClass('collapse in')) { // if so, toggle it $bar.click(); } }; /** * returns the currently set expiration time * * @name topNav.getExpiration * @function * @return {int} */ me.getExpiration = function() { return pasteExpiration; }; /** * returns the currently selected file(s) * * @name topNav.getFileList * @function * @return {FileList|null} */ me.getFileList = function() { var $file = $('#file'); // if no file given, return null if (!$file.length || !$file[0].files.length) { return null; } // @TODO is this really necessary if (!($file[0].files && $file[0].files[0])) { return null; } return $file[0].files; }; /** * returns the state of the burn after reading checkbox * * @name topNav.getExpiration * @function * @return {bool} */ me.getBurnAfterReading = function() { return $burnAfterReading.is(':checked'); }; /** * returns the state of the discussion checkbox * * @name topNav.getOpenDiscussion * @function * @return {bool} */ me.getOpenDiscussion = function() { return $openDiscussion.is(':checked'); }; /** * returns the entered password * * @name topNav.getPassword * @function * @return {string} */ me.getPassword = function() { return $passwordInput.val(); }; /** * init navigation manager * * preloads jQuery elements * * @name topNav.init * @function */ me.init = function() { $attach = $('#attach'); $burnAfterReading = $('#burnafterreading'); $burnAfterReadingOption = $('#burnafterreadingoption'); $cloneButton = $('#clonebutton'); $expiration = $('#expiration'); $fileRemoveButton = $('#fileremovebutton'); $formatter = $('#formatter'); $newButton = $('#newbutton'); $openDiscussionOption = $('#opendiscussionoption'); $openDiscussion = $('#opendiscussion'); $password = $('#password'); $passwordInput = $('#passwordinput'); $rawTextButton = $('#rawtextbutton'); $sendButton = $('#sendbutton'); $loadingIndicator = $('#loadingindicator'); // bootstrap template drop down $('#language ul.dropdown-menu li a').click(me.setLanguage); // page template drop down $('#language select option').click(me.setLanguage); // bind events $burnAfterReading.change(changeBurnAfterReading); $openDiscussionOption.change(changeOpenDiscussion); $newButton.click(controller.newPaste); $sendButton.click(controller.submitPaste); $cloneButton.click(controller.clonePaste); $rawTextButton.click(rawText); $fileRemoveButton.click(me.removeAttachment); // bootstrap template drop downs $('ul.dropdown-menu li a', $('#expiration').parent()).click(updateExpiration); $('ul.dropdown-menu li a', $('#formatter').parent()).click(updateFormat); // initiate default state of checkboxes changeBurnAfterReading(); changeOpenDiscussion(); // get default value from template or fall back to set value pasteExpiration = modal.getExpirationDefault() || pasteExpiration; }; return me; })(window, document); /** * Responsible for AJAX requests, transparently handles encryption… * * @name state * @class */ var uploader = (function () { var me = {}; var successFunc = null, failureFunc = null; var url = helper.scriptLocation(), data = {}, randomKey, password; // public variable ('constant') to prevent magic numbers me.error = { okay: 0, custom: 1, unknown: 2, serverError: 3 }; /** * ajaxHeaders to send in AJAX requests * * @private * @readonly * @enum {Object} */ var ajaxHeaders = {'X-Requested-With': 'JSONHttpRequest'}; /** * called after successful upload * * @function * @param {int} status * @param {int} data - optional */ function success(status, result) { // add useful data to result result.encryptionKey = randomKey; result.requestData = data; if (successFunc !== null) { successFunc(status, result); } } /** * called after a upload failure * * @name uploader.submitPasteUpload * @function * @param {int} status - internal code * @param {int} data - original error code */ function fail(status, result) { if (failureFunc !== null) { failureFunc(status, result); } } /** * actually uploads the data * * @name uploader.submitPasteUpload * @function */ me.trigger = function() { console.log(data); $.ajax({ type: 'POST', url: url, data: data, dataType: 'json', headers: ajaxHeaders, success: function(result) { if (result.status === 0) { success(0, result); } else if (result.status === 1) { fail(1, result); } else { fail(2, result); } } }) .fail(function(jqXHR, textStatus, errorThrown) { console.error(textStatus, errorThrown); fail(3, jqXHR); }); }; /** * set success function * * @name uploader.setSuccess * @function * @param {function} func */ me.setSuccess = function(func) { successFunc = func; }; /** * set failure function * * @name uploader.setSuccess * @function * @param {function} func */ me.setFailure = function(func) { failureFunc = func; }; /** * prepares a new upload * * @name uploader.prepare * @function * @param {string} newPassword * @return {object} */ me.prepare = function(newPassword) { // set password password = newPassword; // entropy should already be checked // @TODO maybe move it here? // generate a new random key randomKey = cryptTool.getSymmetricKey(); // reset data data = {}; }; /** * encrypts and sets the data * * @name uploader.setData * @function * @param {string} index * @param {mixed} element */ me.setData = function(index, element) { data[index] = cryptTool.cipher(randomKey, password, element); }; /** * set the additional metadata to send unencrypted * * @name uploader.setUnencryptedData * @function * @param {string} index * @param {mixed} element */ me.setUnencryptedData = function(index, element) { data[index] = element; }; /** * set the additional metadata to send unencrypted passed at once * * @name uploader.setUnencryptedData * @function * @param {object} newData */ me.setUnencryptedBulkData = function(newData) { $.extend(data, newData); }; /** * init uploader * * @name uploader.init * @function */ me.init = function() { // nothing yet }; return me; })(); /** * PrivateBin logic * * @param {object} window * @param {object} document * @name controller * @class */ var controller = (function (window, document) { var me = {}; /** * called after successful upload * * @function * @param {int} status * @param {int} data */ function showCreatedPaste(status, data) { topNav.hideLoading(); console.log(data); var url = helper.scriptLocation() + '?' + data.id + '#' + data.encryptionKey, deleteUrl = helper.scriptLocation() + '?pasteid=' + data.id + '&deletetoken=' + data.deletetoken; alert.hideMessages(); // show notification alert.createPasteNotification(url, deleteUrl) // show new URL in browser bar history.pushState({type: 'newpaste'}, document.title, url); topNav.showViewButtons(); editor.hide(); // parse and show text // (preparation already done in me.submitPaste()) pasteViewer.trigger(); } /** * send a reply in a discussion * * @name controller.sendComment * @function * @param {Event} event */ me.sendComment = function(event) { event.preventDefault(); $errorMessage.addClass('hidden'); // do not send if no data var replyMessage = $('#replymessage'); if (replyMessage.val().length === 0) { return; } me.showStatus(i18n._('Sending comment...'), true); var parentid = event.data.parentid, key = helper.pageKey(), cipherdata = cryptTool.cipher(key, $passwordInput.val(), replyMessage.val()), ciphernickname = '', nick = $('#nickname').val(); if (nick.length > 0) { ciphernickname = cryptTool.cipher(key, $passwordInput.val(), nick); } var dataToSend = { data: cipherdata, parentid: parentid, pasteid: helper.pasteId(), nickname: ciphernickname }; $.ajax({ type: 'POST', url: helper.scriptLocation(), data: dataToSend, dataType: 'json', headers: ajaxHeaders, success: function(data) { if (data.status === 0) { controller.showStatus(i18n._('Comment posted.')); $.ajax({ type: 'GET', url: helper.scriptLocation() + '?' + helper.pasteId(), dataType: 'json', headers: ajaxHeaders, success: function(data) { if (data.status === 0) { me.displayMessages(data); } else if (data.status === 1) { alert.showError(i18n._('Could not refresh display: %s', data.message)); } else { alert.showError(i18n._('Could not refresh display: %s', i18n._('unknown status'))); } } }) .fail(function() { controller.showError(i18n._('Could not refresh display: %s', i18n._('server error or not responding'))); }); } else if (data.status === 1) { controller.showError(i18n._('Could not post comment: %s', data.message)); } else { controller.showError(i18n._('Could not post comment: %s', i18n._('unknown status'))); } } }) .fail(function() { controller.showError(i18n._('Could not post comment: %s', i18n._('server error or not responding'))); }); }; /** * sends a new paste to server * * @name controller.submitPaste * @function */ me.submitPaste = function() { // UI loading state topNav.hideCreateButtons(); topNav.showLoading(i18n._('Sending paste...'), 0); topNav.collapseBar(); // get data var plainText = editor.getText(); // do not send if there is no data if (plainText.length === 0 && files === null) { // revert loading status… topNav.hideLoading(); topNav.showCreateButtons(); return; } topNav.showLoading(i18n._('Sending paste...'), 10); // check entropy if (!cryptTool.isEntropyReady()) { // display a message and wait alert.showStatus(i18n._('Please move your mouse for more entropy...')); cryptTool.addEntropySeedListener(function() { me.submitPaste(event); }); } // prepare uploader uploader.prepare(topNav.getPassword()); // encrypt cipher data uploader.setData('data', plainText); // encrypt attachments var files = topNav.getFileList(); if (files !== null) { var reader = new FileReader(); // closure to capture the file information reader.onload = (function(file) { return function(event) { uploader.setData('attachment', event.target.result); uploader.setData('attachmentname', file.name); }; })(files[0]); // actually read first file reader.readAsDataURL(files[0]); } else if (alert.hasAttachment()) { var attachment = alert.getAttachment(); uploader.setData('attachment', attachment[0]); uploader.setUnencryptedData('attachmentname', attachment[1]); // @TODO does not encrypt file name??! } // set success/fail functions uploader.setSuccess(showCreatedPaste); uploader.setFailure(function (status, data) { // revert loading status… topNav.hideLoading(); topNav.showCreateButtons(); // show error message switch (status) { case uploader.error['custom']: alert.showError(i18n._('Could not create paste: %s', data.message)); break; case uploader.error['unknown']: alert.showError(i18n._('Could not create paste: %s', i18n._('unknown status'))); break; case uploader.error['serverError']: alert.showError(i18n._('Could not create paste: %s', i18n._('server error or not responding'))); break; default: alert.showError(i18n._('Could not create paste: %s', i18n._('unknown error'))); break; } }); // fill it with unencrypted submitted options var format = pasteViewer.getFormat(); uploader.setUnencryptedBulkData({ expire: topNav.getExpiration(), formatter: format, burnafterreading: topNav.getBurnAfterReading() ? 1 : 0, opendiscussion: topNav.getOpenDiscussion() ? 1 : 0 }); // prepare PasteViewer for later preview pasteViewer.setText(plainText); pasteViewer.setFormat(format); // send data uploader.trigger(); }; /** * creates a new paste * * @name controller.newPaste * @function */ me.newPaste = function() { topNav.hideViewButtons(); topNav.showCreateButtons(); editor.resetInput(); editor.show(); editor.focusInput(); }; /** * clone the current paste * * @name controller.clonePaste * @function * @param {Event} event */ me.clonePaste = function(event) { me.stateNewPaste(); // erase the id and the key in url history.replaceState(null, document.title, helper.scriptLocation()); alert.hideMessages(); if ($attachmentLink.attr('href')) { $clonedFile.removeClass('hidden'); $fileWrap.addClass('hidden'); } $message.val( pasteViewer.getFormat() === 'markdown' ? $prettyPrint.val() : $clearText.val() ); $('.navbar-toggle').click(); event.preventDefault(); }; /** * application start * * @name controller.init * @function */ me.init = function() { // first load translations i18n.loadTranslations(); // initialize other modules/"classes" alert.init(); uploader.init(); modal.init(); cryptTool.init(); uiMan.init(); topNav.init(); editor.init(); pasteViewer.init(); prompt.init(); // display an existing paste if (modal.hasCipherData()) { // missing decryption key in URL? if (window.location.hash.length === 0) { alert.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; } // show proper elements on screen // topNav.hideCreateButtons(); // they should not be visible in the first place topNav.showViewButtons(); me.displayMessages(); return; } // check requirements for upload if (typeof FileReader === 'undefined') { alert.showError(i18n._('Your browser does not support uploading encrypted files. Please use a newer browser.')); return; } // otherwise create a new paste me.newPaste(); }; return me; })(window, document); jQuery(document).ready(function() { /** * main application start, called when DOM is fully loaded and * runs controller initalization */ $(controller.init); }); return { helper: helper, i18n: i18n, cryptTool: cryptTool, topNav: topNav, alert: alert, uploader: uploader, controller: controller }; }(jQuery, sjcl, Base64, RawDeflate);