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92682e70ff
# Conflicts: # Common/config/default.json # Common/sources/constants.js # DocService/sources/DocsCoServer.js
76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2024
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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'use strict';
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const exifParser = require("exif-parser");
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const Jimp = require("jimp");
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const locale = require('windows-locale');
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async function fixImageExifRotation(ctx, buffer) {
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if (!buffer) {
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return buffer;
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}
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//todo move to DocService dir common
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try {
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let parser = exifParser.create(buffer);
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let exif = parser.parse();
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if (exif.tags?.Orientation > 1) {
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ctx.logger.debug('fixImageExifRotation remove exif and rotate:%j', exif);
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let image = await Jimp.read(buffer);
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//remove exif
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image.bitmap.exifBuffer = undefined;
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//set jpeg and png quality
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//https://www.imagemagick.org/script/command-line-options.php#quality
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image.quality(90);
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image.deflateLevel(7);
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buffer = await image.getBufferAsync(Jimp.AUTO);
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}
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} catch (e) {
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ctx.logger.debug('fixImageExifRotation error:%s', e.stack);
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}
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return buffer;
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}
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/**
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*
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* @param {string} lang
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* @returns {number | undefined}
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*/
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function localeToLCID(lang) {
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let elem = locale[lang && lang.toLowerCase()];
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return elem && elem.id;
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}
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module.exports = {
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fixImageExifRotation,
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localeToLCID
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}; |