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cryptpad/www/common/sframe-common-file.js

366 lines
13 KiB
JavaScript

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define([
'jquery',
'/file/file-crypto.js',
'/common/common-thumbnail.js',
'/common/common-interface.js',
'/common/common-util.js',
'/customize/messages.js',
'/bower_components/tweetnacl/nacl-fast.min.js',
], function ($, FileCrypto, Thumb, UI, Util, Messages) {
var Nacl = window.nacl;
var module = {};
var blobToArrayBuffer = function (blob, cb) {
var reader = new FileReader();
reader.onloadend = function () {
cb(void 0, this.result);
};
reader.readAsArrayBuffer(blob);
};
module.uploadFile = function (common, data, cb) {
var sframeChan = common.getSframeChannel();
sframeChan.query('Q_UPLOAD_FILE', data, cb);
};
module.create = function (common, config) {
var File = {};
var queue = File.queue = {
queue: [],
inProgress: false
};
var uid = function () {
return 'cp-fileupload-element-' + String(Math.random()).substring(2);
};
var $table = File.$table = $('<table>', { id: 'cp-fileupload-table' });
var $thead = $('<tr>').appendTo($table);
$('<td>').text(Messages.upload_name).appendTo($thead);
$('<td>').text(Messages.upload_size).appendTo($thead);
$('<td>').text(Messages.upload_progress).appendTo($thead);
$('<td>').text(Messages.cancel).appendTo($thead);
var createTableContainer = function ($body) {
File.$container = $('<div>', { id: 'cp-fileupload' }).append($table).appendTo($body);
return File.$container;
};
var getData = function (file, href) {
var data = {};
data.name = file.metadata.name;
data.url = href;
if (file.metadata.type.slice(0,6) === 'image/') {
data.mediatag = true;
}
return data;
};
var sframeChan = common.getSframeChannel();
var onError = $.noop,
onComplete = $.noop,
updateProgress = $.noop,
onPending = $.noop;
sframeChan.on('EV_FILE_UPLOAD_STATE', function (data) {
if (data.error) {
return void onError(data.error);
}
if (data.complete && data.href) {
return void onComplete(data.href);
}
if (typeof data.progress !== "undefined") {
return void updateProgress(data.progress);
}
});
sframeChan.on('Q_CANCEL_PENDING_FILE_UPLOAD', function (data, cb) {
onPending(cb);
});
var upload = function (file) {
var blob = file.blob; // This is not a blob but an array buffer
var u8 = new Uint8Array(blob);
var metadata = file.metadata;
var id = file.id;
var dropEvent = file.dropEvent;
delete file.dropEvent;
if (dropEvent && dropEvent.path) { file.path = dropEvent.path; }
if (queue.inProgress) { return; }
queue.inProgress = true;
var $row = $table.find('tr[id="'+id+'"]');
$row.find('.cp-fileupload-table-cancel').html('-');
var $pv = $row.find('.cp-fileupload-table-progress-value');
var $pb = $row.find('.cp-fileupload-table-progress-container');
var $pc = $row.find('.cp-fileupload-table-progress');
var $link = $row.find('.cp-fileupload-table-link');
updateProgress = function (progressValue) {
$pv.text(Math.round(progressValue*100)/100 + '%');
$pb.css({
width: (progressValue/100)*$pc.width()+'px'
});
};
onComplete = function (href) {
var mdMgr = common.getMetadataMgr();
var origin = mdMgr.getPrivateData().origin;
$link.prepend($('<span>', {'class': 'fa fa-external-link'}));
$link.attr('href', href)
.click(function (e) {
e.preventDefault();
window.open(origin + $link.attr('href'), '_blank');
});
var title = metadata.name;
if (!config.noStore) {
UI.log(Messages._getKey('upload_success', [title]));
}
common.prepareFeedback('upload')();
if (config.onUploaded) {
var data = getData(file, href);
config.onUploaded(dropEvent, data);
}
queue.inProgress = false;
queue.next();
};
onError = function (e) {
queue.inProgress = false;
queue.next();
if (e === 'TOO_LARGE') {
$pv.text(Messages.upload_tooLargeBrief);
return void UI.alert(Messages.upload_tooLarge);
}
if (e === 'NOT_ENOUGH_SPACE') {
$pv.text(Messages.upload_notEnoughSpaceBrief);
return void UI.alert(Messages.upload_notEnoughSpace);
}
console.error(e);
return void UI.alert(Messages.upload_serverError);
};
onPending = function (cb) {
UI.confirm(Messages.upload_uploadPending, cb);
};
file.noStore = config.noStore;
try {
file.blob = Nacl.util.encodeBase64(u8);
common.uploadFile(file, function () {
console.log('Upload started...');
});
} catch (e) {
UI.alert(Messages.upload_serverError);
}
};
var prettySize = function (bytes) {
var kB = Util.bytesToKilobytes(bytes);
if (kB < 1024) { return kB + Messages.KB; }
var mB = Util.bytesToMegabytes(bytes);
return mB + Messages.MB;
};
queue.next = function () {
if (queue.queue.length === 0) {
clearTimeout(queue.to);
queue.to = window.setTimeout(function () {
if (config.keepTable) { return; }
File.$container.fadeOut();
}, 3000);
return;
}
if (queue.inProgress) { return; }
// setTimeout to fix a firefox error 'NS_ERROR_NOT_AVAILABLE'
window.setTimeout(function () { File.$container.show(); });
var file = queue.queue.shift();
upload(file);
};
queue.push = function (obj) {
var id = uid();
obj.id = id;
queue.queue.push(obj);
// setTimeout to fix a firefox error 'NS_ERROR_NOT_AVAILABLE'
window.setTimeout(function () { $table.show(); });
var estimate = FileCrypto.computeEncryptedSize(obj.blob.byteLength, obj.metadata);
var $progressBar = $('<div>', {'class':'cp-fileupload-table-progress-container'});
var $progressValue = $('<span>', {'class':'cp-fileupload-table-progress-value'}).text(Messages.upload_pending);
var $tr = $('<tr>', {id: id}).appendTo($table);
var $lines = $table.find('tr[id]');
if ($lines.length > 5) {
$lines.slice(0, $lines.length - 5).remove();
}
var $cancel = $('<span>', {'class': 'cp-fileupload-table-cancel-button fa fa-times'}).click(function () {
queue.queue = queue.queue.filter(function (el) { return el.id !== id; });
$cancel.remove();
$tr.find('.cp-fileupload-table-cancel').text('-');
$tr.find('.cp-fileupload-table-progress-value').text(Messages.upload_cancelled);
});
var $link = $('<a>', {
'class': 'cp-fileupload-table-link',
'rel': 'noopener noreferrer'
}).text(obj.metadata.name);
$('<td>').append($link).appendTo($tr);
$('<td>').text(prettySize(estimate)).appendTo($tr);
$('<td>', {'class': 'cp-fileupload-table-progress'}).append($progressBar).append($progressValue).appendTo($tr);
$('<td>', {'class': 'cp-fileupload-table-cancel'}).append($cancel).appendTo($tr);
queue.next();
};
// Don't show the rename prompt if we don't want to store the file in the drive (avatar)
var showNamePrompt = !config.noStore;
var promptName = function (file, cb) {
var extIdx = file.name.lastIndexOf('.');
var name = extIdx !== -1 ? file.name.slice(0,extIdx) : file.name;
var ext = extIdx !== -1 ? file.name.slice(extIdx) : "";
var msg = Messages._getKey('upload_rename', [
Util.fixHTML(file.name),
Util.fixHTML(ext)
]);
UI.prompt(msg, name, function (newName) {
if (newName === null) {
showNamePrompt = false;
return void cb (file.name);
}
if (!newName || !newName.trim()) { return void cb (file.name); }
var newExtIdx = newName.lastIndexOf('.');
var newExt = newExtIdx !== -1 ? newName.slice(newExtIdx) : "";
if (newExt !== ext) { newName += ext; }
cb(newName);
}, {cancel: Messages.doNotAskAgain}, true);
};
var handleFileState = {
queue: [],
inProgress: false
};
var handleFile = File.handleFile = function (file, e) {
if (handleFileState.inProgress) { return void handleFileState.queue.push([file, e]); }
handleFileState.inProgress = true;
var thumb;
var file_arraybuffer;
var name = file.name;
var finish = function () {
var metadata = {
name: name,
type: file.type,
};
if (thumb) { metadata.thumbnail = thumb; }
queue.push({
blob: file_arraybuffer,
metadata: metadata,
dropEvent: e
});
handleFileState.inProgress = false;
if (handleFileState.queue.length) {
var next = handleFileState.queue.shift();
handleFile(next[0], next[1]);
}
};
var getName = function () {
if (!showNamePrompt) { return void finish(); }
promptName(file, function (newName) {
name = newName;
finish();
});
};
blobToArrayBuffer(file, function (e, buffer) {
if (e) { console.error(e); }
file_arraybuffer = buffer;
if (!Thumb.isSupportedType(file.type)) { return getName(); }
// make a resized thumbnail from the image..
Thumb.fromBlob(file, function (e, thumb64) {
if (e) { console.error(e); }
if (!thumb64) { return getName(); }
thumb = thumb64;
getName();
});
});
};
var onFileDrop = File.onFileDrop = function (file, e) {
if (!common.isLoggedIn()) {
return UI.alert(common.Messages.upload_mustLogin);
}
Array.prototype.slice.call(file).forEach(function (d) {
handleFile(d, e);
});
};
var createAreaHandlers = File.createDropArea = function ($area, $hoverArea) {
var counter = 0;
if (!$hoverArea) { $hoverArea = $area; }
if (!$area) { return; }
$hoverArea
.on('dragenter', function (e) {
e.preventDefault();
e.stopPropagation();
counter++;
$hoverArea.addClass('cp-fileupload-hovering');
})
.on('dragleave', function (e) {
e.preventDefault();
e.stopPropagation();
counter--;
if (counter <= 0) {
$hoverArea.removeClass('cp-fileupload-hovering');
}
});
$area
.on('drag dragstart dragend dragover drop dragenter dragleave', function (e) {
e.preventDefault();
e.stopPropagation();
})
.on('drop', function (e) {
e.stopPropagation();
var dropped = e.originalEvent.dataTransfer.files;
counter = 0;
$hoverArea.removeClass('cp-fileupload-hovering');
onFileDrop(dropped, e);
});
};
var createCkeditorDropHandler = function () {
var editor = config.ckeditor;
editor.document.on('drop', function (ev) {
var dropped = ev.data.$.dataTransfer.files;
onFileDrop(dropped, ev);
ev.data.preventDefault(true);
});
};
var createUploader = function ($area, $hover, $body) {
if (!config.noHandlers) {
if (config.ckeditor) {
createCkeditorDropHandler();
} else {
createAreaHandlers($area, null);
}
}
createTableContainer($body);
};
createUploader(config.dropArea, config.hoverArea, config.body);
return File;
};
return module;
});