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Removed attachmentHelpers and moved functionality to AttachmentViewer

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This commit is contained in:
thororm 2017-05-13 19:46:22 +02:00
parent 662b48fccf
commit b9075d7708
3 changed files with 185 additions and 190 deletions
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371
js/privatebin.js
View file

@ -308,185 +308,6 @@ 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;
})();
@ -1775,8 +1596,8 @@ 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);
var attachmentData = AttachmentViewer.attachmentData || AttachmentViewer.$attachmentLink.attr('href');
AttachmentViewer.handleAttachmentPreview(AttachmentViewer.$attachmentPreview, attachmentData);
PasteViewer.run();
// finish
@ -2166,6 +1987,9 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
me.$attachmentLink = undefined;
me.$attachmentPreview = undefined;
me.$attachment = undefined;
me.attachmentData = undefined;
me.file = undefined;
me.$fileInput = undefined;
var attachmentHasPreview = false;
@ -2184,7 +2008,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
me.$attachmentLink.attr('download', fileName);
}
Helper.attachmentHelpers.handleAttachmentPreview(AttachmentViewer.$attachmentPreview, attachmentData);
AttachmentViewer.handleAttachmentPreview(AttachmentViewer.$attachmentPreview, attachmentData);
attachmentHasPreview = true;
}
@ -2221,8 +2045,8 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
me.$attachmentLink.prop('download', '');
me.$attachmentPreview.html('');
Helper.attachmentHelpers.file = undefined;
Helper.attachmentHelpers.attachmentData = undefined;
AttachmentViewer.file = undefined;
AttachmentViewer.attachmentData = undefined;
}
/**
@ -2297,6 +2121,175 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
I18n._(me.$attachmentLink, label, me.$attachmentLink.attr('download'));
}
/*
* Read file data as dataURL using the FileReader API
* https://developer.mozilla.org/en-US/docs/Web/API/FileReader#readAsDataURL()
*/
me.readFileData = function (file) {
if (typeof FileReader === 'undefined') {
// revert loading status…
AttachmentViewer.hideAttachment();
AttachmentViewer.hideAttachmentPreview();
Alert.showError(I18n._('Your browser does not support uploading encrypted files. Please use a newer browser.'));
return;
}
var fileReader = new FileReader();
if (file === undefined) {
file = me.$fileInput[0].files[0];
$('#dragAndDropFileName').text('');
} else {
$('#dragAndDropFileName').text(file.name);
}
me.file = file;
fileReader.onload = function (event) {
var dataURL = event.target.result;
me.attachmentData = dataURL;
if (Editor.isPreview()) {
me.handleAttachmentPreview(AttachmentViewer.$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.
*/
me.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()
*/
me.getMimeTypeFromDataURL = function (dataURL) {
return dataURL.slice(dataURL.indexOf('data:') + 5, dataURL.indexOf(';base64,'));
};
me.showImagePreview = function (targetElement, image) {
targetElement.html(
$(document.createElement('img'))
.attr('src', image)
.attr('class', 'img-thumbnail')
);
targetElement.removeClass('hidden');
};
me.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');
};
me.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');
};
me.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(
$(document.createElement('embed'))
.attr('src', pdf)
.attr('type', 'application/pdf')
.attr('class', 'pdfPreview')
.css('height', clientHeight)
);
targetElement.removeClass('hidden');
} else {
Alert.showError(I18n._('File too large, to display a preview. Please download the attachment.'));
}
};
/**
* Attaches the file attachment drag & drop handler to the page.
* @returns {undefined}
*/
me.addDragDropHandler = function () {
var fileInput = me.$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.readFileData(file);
}
};
document.addEventListener("drop", drop, false);
document.addEventListener("dragenter", ignoreDragDrop, false);
document.addEventListener("dragover", ignoreDragDrop, false);
fileInput.on("change", function () {
me.readFileData();
});
};
/**
* initiate
*
@ -2310,6 +2303,9 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
me.$attachment = $('#attachment');
me.$attachmentLink = $('#attachment a');
me.$attachmentPreview = $('#attachmentPreview');
me.$fileInput = $('#file');
me.addDragDropHandler();
}
return me;
@ -3536,10 +3532,10 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
* @param {function} callback - excuted when action is successful
*/
function encryptAttachments(callback) {
var file = Helper.attachmentHelpers.attachmentData;
var file = AttachmentViewer.attachmentData;
if (typeof file !== 'undefined' && file !== null) {
var fileName = Helper.attachmentHelpers.file.name;
var fileName = AttachmentViewer.file.name;
Uploader.setData('attachment', file);
Uploader.setData('attachmentname', fileName);
@ -3654,7 +3650,7 @@ jQuery.PrivateBin = function($, sjcl, Base64, RawDeflate) {
// get data
var plainText = Editor.getText(),
format = PasteViewer.getFormat(),
files = TopNav.getFileList() || Helper.attachmentHelpers.file || AttachmentViewer.hasAttachment();
files = TopNav.getFileList() || AttachmentViewer.file || AttachmentViewer.hasAttachment();
// do not send if there is no data
if (plainText.length === 0 && files === null) {
@ -4165,7 +4161,6 @@ jQuery.PrivateBin = function($, 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-A9ObEs7q+BQ9SWIpVYi67ZNNU2d9Er8KzslzK19PQtlqQ/hlf87a6kNMA8x5DzmfP/LLxGF77R0R+lbFmz8RVQ==" crossorigin="anonymous"></script>
<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-Z882259kw/AnperJhiaZzvb7Ic0igEIYCyy/vJYsTu5PqAPRkJzCNzPCSMP37jZkCi7HFbjt5Zl/Vd4w9lHhYA==" 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-A9ObEs7q+BQ9SWIpVYi67ZNNU2d9Er8KzslzK19PQtlqQ/hlf87a6kNMA8x5DzmfP/LLxGF77R0R+lbFmz8RVQ==" crossorigin="anonymous"></script>
<script type="text/javascript" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-Z882259kw/AnperJhiaZzvb7Ic0igEIYCyy/vJYsTu5PqAPRkJzCNzPCSMP37jZkCi7HFbjt5Zl/Vd4w9lHhYA==" 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]-->