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Adapted attachment handling to refactoring

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This commit is contained in:
thororm 2017-04-02 18:58:11 +02:00
parent 096f07f86e
commit ec9fb750b4
3 changed files with 220 additions and 55 deletions
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271
js/privatebin.js
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@ -308,6 +308,185 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
baseUri = null;
}
me.attachmentHelpers = {
attachmentData: undefined,
file: undefined,
$fileInput: undefined,
init: function () {
me.attachmentHelpers.$fileInput = $('#file');
me.attachmentHelpers.addDragDropHandler();
},
/*
* Read file data as dataURL using the FileReader API
* https://developer.mozilla.org/en-US/docs/Web/API/FileReader#readAsDataURL()
*/
readFileData: function (file) {
if (typeof FileReader === 'undefined') {
// revert loading status…
AttachmentViewer.hideAttachment();
AttachmentViewer.hideAttachmentPreview();
Alert.showError(I18n._('Your browser does not support uploading encrypted files. Please use a newer browser.'));
return;
}
var fileReader = new FileReader();
if (file === undefined) {
file = me.attachmentHelpers.$fileInput[0].files[0];
$('#dragAndDropFileName').text('');
} else {
$('#dragAndDropFileName').text(file.name);
}
me.attachmentHelpers.file = file;
fileReader.onload = function (event) {
var dataURL = event.target.result;
me.attachmentHelpers.attachmentData = dataURL;
if (Editor.isPreview()) {
me.attachmentHelpers.handleAttachmentPreview(AttachmentViewer.$attachmentPreview, dataURL);
}
};
fileReader.readAsDataURL(file);
},
/**
* Handle the preview of files that can either be an image, video, audio or pdf element.
* @argument {DOM Element} targetElement where the preview should be appended.
* @argument {File Data} data of the file to be displayed.
*/
handleAttachmentPreview: function (targetElement, data) {
if (data) {
var mimeType = this.getMimeTypeFromDataURL(data);
if (mimeType.match(/image\//i)) {
this.showImagePreview(targetElement, data);
} else if (mimeType.match(/video\//i)) {
this.showVideoPreview(targetElement, data, mimeType);
} else if (mimeType.match(/audio\//i)) {
this.showAudioPreview(targetElement, data, mimeType);
} else if (mimeType.match(/\/pdf/i)) {
this.showPDFPreview(targetElement, data);
}
//else {
//console.log("file but no image/video/audio/pdf");
//}
}
},
/**
* Get Mime Type from a DataURL
*
* @param {type} dataURL
* @returns Mime Type from a dataURL as obtained for a file using the FileReader API https://developer.mozilla.org/en-US/docs/Web/API/FileReader#readAsDataURL()
*/
getMimeTypeFromDataURL: function (dataURL) {
return dataURL.slice(dataURL.indexOf('data:') + 5, dataURL.indexOf(';base64,'));
},
showImagePreview: function (targetElement, image) {
targetElement.html(
$(document.createElement('img'))
.attr('src', image)
.attr('class', 'img-thumbnail')
);
targetElement.removeClass('hidden');
},
showVideoPreview: function (targetElement, video, mimeType) {
var videoPlayer = $(document.createElement('video'))
.attr('controls', 'true')
.attr('autoplay', 'true')
.attr('loop', 'true')
.attr('class', 'img-thumbnail');
videoPlayer.append($(document.createElement('source'))
.attr('type', mimeType)
.attr('src', video));
targetElement.html(videoPlayer);
targetElement.removeClass('hidden');
},
showAudioPreview: function (targetElement, audio, mimeType) {
var audioPlayer = $(document.createElement('audio'))
.attr('controls', 'true')
.attr('autoplay', 'true');
audioPlayer.append($(document.createElement('source'))
.attr('type', mimeType)
.attr('src', audio));
targetElement.html(audioPlayer);
targetElement.removeClass('hidden');
},
showPDFPreview: function (targetElement, pdf) {
//PDFs are only displayed if the filesize is smaller than about 1MB (after base64 encoding).
//Bigger filesizes currently cause crashes in various browsers.
//See also: https://code.google.com/p/chromium/issues/detail?id=69227
//Firefox crashes with files that are about 1.5MB
//The performance with 1MB files is bareable
if (pdf.length < 1398488) {
//Fallback for browsers, that don't support the vh unit
var clientHeight = $(window).height();
targetElement.html(
$(document.createElement('embed'))
.attr('src', pdf)
.attr('type', 'application/pdf')
.attr('class', 'pdfPreview')
.css('height', clientHeight)
);
targetElement.removeClass('hidden');
} else {
Alert.showError(I18n._('File too large, to display a preview. Please download the attachment.'));
}
},
/**
* Attaches the file attachment drag & drop handler to the page.
* @returns {undefined}
*/
addDragDropHandler: function () {
var fileInput = me.attachmentHelpers.$fileInput;
if (typeof fileInput === 'undefined' || fileInput.length === 0) {
return;
}
var ignoreDragDrop = function(event) {
event.stopPropagation();
event.preventDefault();
};
var drop = function(event) {
event.stopPropagation();
event.preventDefault();
if (fileInput) {
var file = event.dataTransfer.files[0];
//Clear the file input:
fileInput.wrap('<form>').closest('form').get(0).reset();
fileInput.unwrap();
//Only works in Chrome:
//fileInput[0].files = e.dataTransfer.files;
me.attachmentHelpers.readFileData(file);
}
};
document.addEventListener("drop", drop, false);
document.addEventListener("dragenter", ignoreDragDrop, false);
document.addEventListener("dragover", ignoreDragDrop, false);
fileInput.on("change", function () {
me.attachmentHelpers.readFileData();
});
}
};
return me;
})();
@ -1596,6 +1775,8 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
// show preview
PasteViewer.setText($message.val());
var attachmentData = Helper.attachmentHelpers.attachmentData || AttachmentViewer.$attachmentLink.attr('href');
Helper.attachmentHelpers.handleAttachmentPreview(AttachmentViewer.$attachmentPreview, attachmentData);
PasteViewer.run();
// finish
@ -1930,6 +2111,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
$plainText.addClass('hidden');
$prettyMessage.addClass('hidden');
$placeholder.addClass('hidden');
AttachmentViewer.hideAttachmentPreview();
isDisplayed = false;
}
@ -1981,9 +2163,9 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
var AttachmentViewer = (function (window, document) {
var me = {};
var $attachmentLink,
$attachmentPreview,
$attachment;
me.$attachmentLink;
me.$attachmentPreview;
me.$attachment;
var attachmentHasPreview = false;
@ -1997,22 +2179,14 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
*/
me.setAttachment = function(attachmentData, fileName)
{
var imagePrefix = 'data:image/';
$attachmentLink.attr('href', attachmentData);
me.$attachmentLink.attr('href', attachmentData);
if (typeof fileName !== 'undefined') {
$attachmentLink.attr('download', fileName);
me.$attachmentLink.attr('download', fileName);
}
// if the attachment is an image, display it
if (attachmentData.substring(0, imagePrefix.length) === imagePrefix) {
$attachmentPreview.html(
$(document.createElement('img'))
.attr('src', attachmentData)
.attr('class', 'img-thumbnail')
);
attachmentHasPreview = true;
}
Helper.attachmentHelpers.handleAttachmentPreview(AttachmentViewer.$attachmentPreview, attachmentData);
attachmentHasPreview = true;
}
/**
@ -2023,10 +2197,10 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
*/
me.showAttachment = function()
{
$attachment.removeClass('hidden');
me.$attachment.removeClass('hidden');
if (attachmentHasPreview) {
$attachmentPreview.removeClass('hidden');
me.$attachmentPreview.removeClass('hidden');
}
}
@ -2043,9 +2217,12 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
{
me.hideAttachment();
me.hideAttachmentPreview();
$attachmentLink.prop('href', '');
$attachmentLink.prop('download', '');
$attachmentPreview.html('');
me.$attachmentLink.prop('href', '');
me.$attachmentLink.prop('download', '');
me.$attachmentPreview.html('');
Helper.attachmentHelpers.file = undefined;
Helper.attachmentHelpers.attachmentData = undefined;
}
/**
@ -2060,7 +2237,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
*/
me.hideAttachment = function()
{
$attachment.addClass('hidden');
me.$attachment.addClass('hidden');
}
/**
@ -2071,7 +2248,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
*/
me.hideAttachmentPreview = function()
{
$attachmentPreview.addClass('hidden');
me.$attachmentPreview.addClass('hidden');
}
/**
@ -2082,7 +2259,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
*/
me.hasAttachment = function()
{
var link = $attachmentLink.prop('href');
var link = me.$attachmentLink.prop('href');
return (typeof link !== 'undefined' && link !== '')
}
@ -2096,8 +2273,8 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
me.getAttachment = function()
{
return [
$attachmentLink.prop('href'),
$attachmentLink.prop('download')
me.$attachmentLink.prop('href'),
me.$attachmentLink.prop('download')
];
}
@ -2114,10 +2291,10 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
me.moveAttachmentTo = function($element, label)
{
// move elemement to new place
$attachmentLink.appendTo($element);
me.$attachmentLink.appendTo($element);
// update text
I18n._($attachmentLink, label, $attachmentLink.attr('download'));
I18n._(me.$attachmentLink, label, me.$attachmentLink.attr('download'));
}
/**
@ -2130,9 +2307,9 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
*/
me.init = function()
{
$attachment = $('#attachment');
$attachmentLink = $('#attachment a');
$attachmentPreview = $('#attachmentPreview');
me.$attachment = $('#attachment');
me.$attachmentLink = $('#attachment a');
me.$attachmentPreview = $('#attachmentPreview');
}
return me;
@ -3356,31 +3533,19 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
* @name PasteEncrypter.encryptAttachments
* @private
* @function
* @param {File|null|undefined} file - optional, falls back to cloned attachment
* @param {function} callback - excuted when action is successful
*/
function encryptAttachments(file, callback) {
function encryptAttachments(callback) {
var file = Helper.attachmentHelpers.attachmentData;
if (typeof file !== 'undefined' && file !== null) {
// check file reader requirements for upload
if (typeof FileReader === 'undefined') {
Alert.showError('Your browser does not support uploading encrypted files. Please use a newer browser.');
// cancels process as it does not execute callback
return;
}
var fileName = Helper.attachmentHelpers.file.name;
var reader = new FileReader();
Uploader.setData('attachment', file);
Uploader.setData('attachmentname', fileName);
// closure to capture the file information
reader.onload = function(event) {
Uploader.setData('attachment', event.target.result);
Uploader.setData('attachmentname', file.name);
// run callback
return callback();
}
// actually read first file
reader.readAsDataURL(file);
// run callback
return callback();
} else if (AttachmentViewer.hasAttachment()) {
// fall back to cloned part
var attachment = AttachmentViewer.getAttachment();
@ -3489,7 +3654,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
// get data
var plainText = Editor.getText(),
format = PasteViewer.getFormat(),
files = TopNav.getFileList();
files = TopNav.getFileList() || Helper.attachmentHelpers.file || AttachmentViewer.hasAttachment();
// do not send if there is no data
if (plainText.length === 0 && files === null) {
@ -3540,7 +3705,6 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
// encrypt attachments
encryptAttachments(
files === null ? null : files[0],
function () {
// send data
Uploader.run();
@ -4001,6 +4165,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
TopNav.init();
UiHelper.init();
Uploader.init();
Helper.attachmentHelpers.init();
// display an existing paste
if (Model.hasCipherData()) {

2
tpl/bootstrap.php
View File

@ -69,7 +69,7 @@ if ($MARKDOWN):
<?php
endif;
?>
<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-+/yhR0jcxCRLS10m+w8ii0BDeifeMrT7moI3gNalod6rHdgzMfc962q+2q3880fQ5XhcjF+/hx+8bKxRUMOaCg==" crossorigin="anonymous"></script>
<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-zJtEKpBPGMamiWH5qCWbJTZ5Epa0uW8KIBsWgt8Amn1q8pIMan5PEFgkwcFZ5kVh3t29nhdES8M+CpQt/h0+VQ==" crossorigin="anonymous"></script>
<!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]-->

2
tpl/page.php
View File

@ -47,7 +47,7 @@ if ($MARKDOWN):
<?php
endif;
?>
<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-+/yhR0jcxCRLS10m+w8ii0BDeifeMrT7moI3gNalod6rHdgzMfc962q+2q3880fQ5XhcjF+/hx+8bKxRUMOaCg==" crossorigin="anonymous"></script>
<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-zJtEKpBPGMamiWH5qCWbJTZ5Epa0uW8KIBsWgt8Amn1q8pIMan5PEFgkwcFZ5kVh3t29nhdES8M+CpQt/h0+VQ==" crossorigin="anonymous"></script>
<!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]-->