/* Copyright 2017 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { isEmptyObj } from '../../src/shared/util';
import { Metadata } from '../../src/display/metadata';
describe('metadata', function() {
it('should handle valid metadata', function() {
const data = '' +
'' +
'' +
'Foo bar baz' +
'';
const metadata = new Metadata(data);
expect(metadata.has('dc:title')).toBeTruthy();
expect(metadata.has('dc:qux')).toBeFalsy();
expect(metadata.get('dc:title')).toEqual('Foo bar baz');
expect(metadata.get('dc:qux')).toEqual(null);
expect(metadata.getAll()).toEqual({ 'dc:title': 'Foo bar baz', });
});
it('should repair and handle invalid metadata', function() {
const data = '' +
'' +
'' +
'\\376\\377\\000P\\000D\\000F\\000&' +
'';
const metadata = new Metadata(data);
expect(metadata.has('dc:title')).toBeTruthy();
expect(metadata.has('dc:qux')).toBeFalsy();
expect(metadata.get('dc:title')).toEqual('PDF&');
expect(metadata.get('dc:qux')).toEqual(null);
expect(metadata.getAll()).toEqual({ 'dc:title': 'PDF&', });
});
it('should repair and handle invalid metadata (bug 1424938)', function() {
const data = '' +
'' +
'' +
'' +
'\\376\\377\\000P\\000D\\000F\\000C\\000r\\000e\\000a' +
'\\000t\\000o\\000r\\000 \\000V\\000e\\000r\\000s\\000i\\000o\\000n' +
'\\000 \\0000\\000.\\0009\\000.\\0006' +
'' +
'' +
'\\376\\377\\000L\\000'\\000O\\000d' +
'\\000i\\000s\\000s\\000e\\000e\\000 \\000t\\000h\\000\\351\\000m\\000a' +
'\\000t\\000i\\000q\\000u\\000e\\000 \\000l\\000o\\000g\\000o\\000 ' +
'\\000O\\000d\\000i\\000s\\000s\\000\\351\\000\\351\\000 \\000-\\000 ' +
'\\000d\\000\\351\\000c\\000e\\000m\\000b\\000r\\000e\\000 \\0002\\0000' +
'\\0000\\0008\\000.\\000p\\000u\\000b' +
'\\376\\377\\000O\\000D\\000I\\000S' +
'' +
'';
const metadata = new Metadata(data);
expect(metadata.has('dc:title')).toBeTruthy();
expect(metadata.has('dc:qux')).toBeFalsy();
expect(metadata.get('dc:title')).toEqual(
'L\'Odissee thématique logo Odisséé - décembre 2008.pub');
expect(metadata.get('dc:qux')).toEqual(null);
expect(metadata.getAll()).toEqual({
'dc:creator': 'ODIS',
'dc:title': 'L\'Odissee thématique logo Odisséé - décembre 2008.pub',
'xap:creatortool': 'PDFCreator Version 0.9.6',
});
});
it('should gracefully handle incomplete tags (issue 8884)', function() {
const data = '' +
'' +
'' +
'' +
'' +
'2010-03-25T11:20:09-04:00' +
'2010-03-25T11:20:09-04:00' +
'2010-03-25T11:20:09-04:00' +
'' +
'' +
'application/pdf' +
'' +
'' +
'1' +
'A' +
'' +
'' +
'' +
'';
const metadata = new Metadata(data);
expect(isEmptyObj(metadata.getAll())).toEqual(true);
});
it('should gracefully handle "junk" before the actual metadata (issue 10395)',
function() {
const data = '' +
'' +
'' +
'' +
'PDFKit.NET 4.0.102.0' +
'' +
'1.7' +
'' +
'2018-12-27T13:50:36-08:00' +
'2018-12-27T13:50:38-08:00' +
'' +
'2018-12-27T13:50:38-08:00' +
'' +
'' +
'' +
'' +
'' +
'' +
'application/pdf' +
'';
const metadata = new Metadata(data);
expect(metadata.has('dc:title')).toBeTruthy();
expect(metadata.has('dc:qux')).toBeFalsy();
expect(metadata.get('dc:title')).toEqual('');
expect(metadata.get('dc:qux')).toEqual(null);
expect(metadata.getAll()).toEqual({
'dc:creator': '',
'dc:description': '',
'dc:format': 'application/pdf',
'dc:subject': '',
'dc:title': '',
'pdf:keywords': '',
'pdf:pdfversion': '1.7',
'pdf:producer': 'PDFKit.NET 4.0.102.0',
'xap:createdate': '2018-12-27T13:50:36-08:00',
'xap:creatortool': '',
'xap:metadatadate': '2018-12-27T13:50:38-08:00',
'xap:modifydate': '2018-12-27T13:50:38-08:00',
});
});
it('should correctly handle metadata containing "&apos" (issue 10407)',
function() {
const data = '' +
'' +
'' +
'' +
''Foo bar baz'' +
'';
const metadata = new Metadata(data);
expect(metadata.has('dc:title')).toBeTruthy();
expect(metadata.has('dc:qux')).toBeFalsy();
expect(metadata.get('dc:title')).toEqual('\'Foo bar baz\'');
expect(metadata.get('dc:qux')).toEqual(null);
expect(metadata.getAll()).toEqual({ 'dc:title': '\'Foo bar baz\'', });
});
it('should gracefully handle unbalanced end tags (issue 10410)', function() {
const data = '' +
'' +
'' +
'Soda PDF 5' +
'' +
'2018-10-02T08:14:49-05:00' +
'Soda PDF 5' +
'2018-10-02T08:14:49-05:00 ' +
'2018-10-02T08:14:49-05:00' +
'' +
'uuid:00000000-1c84-3cf9-89ba-bef0e729c831' +
'' +
'';
const metadata = new Metadata(data);
expect(isEmptyObj(metadata.getAll())).toEqual(true);
});
it('should not be vulnerable to the billion laughs attack', function() {
const data = '' +
'' +
' ' +
' ' +
' ' +
' ' +
' ' +
' ' +
' ' +
' ' +
' ' +
']>' +
'' +
' ' +
' ' +
' ' +
' a&lol9;b' +
' ' +
' ' +
' ' +
'';
const metadata = new Metadata(data);
expect(metadata.has('dc:title')).toBeTruthy();
expect(metadata.has('dc:qux')).toBeFalsy();
expect(metadata.get('dc:title')).toEqual('a&lol9;b');
expect(metadata.get('dc:qux')).toEqual(null);
expect(metadata.getAll()).toEqual({ 'dc:title': 'a&lol9;b', });
});
});