Yomichan is an ongoing community project. It really does take a village, and everyone who contributes code owns a part of it :)
379 lines
11 KiB
JavaScript
379 lines
11 KiB
JavaScript
/*
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* Copyright (C) 2019-2020 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* apiGetDefaultAnkiFieldTemplates
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* apiGetEnvironmentInfo
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* apiOptionsGetFull
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* optionsGetDefault
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* optionsUpdateVersion
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* utilBackend
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* utilBackgroundIsolate
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* utilIsolate
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* utilReadFileArrayBuffer
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*/
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// Exporting
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let _settingsExportToken = null;
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let _settingsExportRevoke = null;
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const SETTINGS_EXPORT_CURRENT_VERSION = 0;
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function _getSettingsExportDateString(date, dateSeparator, dateTimeSeparator, timeSeparator, resolution) {
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const values = [
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date.getUTCFullYear().toString(),
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dateSeparator,
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(date.getUTCMonth() + 1).toString().padStart(2, '0'),
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dateSeparator,
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date.getUTCDate().toString().padStart(2, '0'),
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dateTimeSeparator,
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date.getUTCHours().toString().padStart(2, '0'),
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timeSeparator,
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date.getUTCMinutes().toString().padStart(2, '0'),
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timeSeparator,
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date.getUTCSeconds().toString().padStart(2, '0')
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];
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return values.slice(0, resolution * 2 - 1).join('');
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}
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async function _getSettingsExportData(date) {
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const optionsFull = await apiOptionsGetFull();
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const environment = await apiGetEnvironmentInfo();
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const fieldTemplatesDefault = await apiGetDefaultAnkiFieldTemplates();
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// Format options
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for (const {options} of optionsFull.profiles) {
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if (options.anki.fieldTemplates === fieldTemplatesDefault || !options.anki.fieldTemplates) {
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delete options.anki.fieldTemplates; // Default
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}
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}
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const data = {
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version: SETTINGS_EXPORT_CURRENT_VERSION,
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date: _getSettingsExportDateString(date, '-', ' ', ':', 6),
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url: chrome.runtime.getURL('/'),
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manifest: chrome.runtime.getManifest(),
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environment,
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userAgent: navigator.userAgent,
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options: optionsFull
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};
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return data;
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}
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function _saveBlob(blob, fileName) {
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if (typeof navigator === 'object' && typeof navigator.msSaveBlob === 'function') {
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if (navigator.msSaveBlob(blob)) {
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return;
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}
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}
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const blobUrl = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = blobUrl;
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a.download = fileName;
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a.rel = 'noopener';
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a.target = '_blank';
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const revoke = () => {
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URL.revokeObjectURL(blobUrl);
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a.href = '';
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_settingsExportRevoke = null;
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};
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_settingsExportRevoke = revoke;
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a.dispatchEvent(new MouseEvent('click'));
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setTimeout(revoke, 60000);
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}
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async function _onSettingsExportClick() {
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if (_settingsExportRevoke !== null) {
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_settingsExportRevoke();
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_settingsExportRevoke = null;
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}
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const date = new Date(Date.now());
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const token = {};
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_settingsExportToken = token;
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const data = await _getSettingsExportData(date);
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if (_settingsExportToken !== token) {
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// A new export has been started
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return;
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}
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_settingsExportToken = null;
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const fileName = `yomichan-settings-${_getSettingsExportDateString(date, '-', '-', '-', 6)}.json`;
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const blob = new Blob([JSON.stringify(data, null, 4)], {type: 'application/json'});
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_saveBlob(blob, fileName);
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}
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// Importing
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async function _settingsImportSetOptionsFull(optionsFull) {
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return utilIsolate(utilBackend().setFullOptions(
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utilBackgroundIsolate(optionsFull)
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));
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}
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function _showSettingsImportError(error) {
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logError(error);
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document.querySelector('#settings-import-error-modal-message').textContent = `${error}`;
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$('#settings-import-error-modal').modal('show');
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}
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async function _showSettingsImportWarnings(warnings) {
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const modalNode = $('#settings-import-warning-modal');
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const buttons = document.querySelectorAll('.settings-import-warning-modal-import-button');
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const messageContainer = document.querySelector('#settings-import-warning-modal-message');
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if (modalNode.length === 0 || buttons.length === 0 || messageContainer === null) {
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return {result: false};
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}
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// Set message
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const fragment = document.createDocumentFragment();
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for (const warning of warnings) {
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const node = document.createElement('li');
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node.textContent = `${warning}`;
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fragment.appendChild(node);
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}
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messageContainer.textContent = '';
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messageContainer.appendChild(fragment);
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// Show modal
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modalNode.modal('show');
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// Wait for modal to close
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return new Promise((resolve) => {
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const onButtonClick = (e) => {
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e.preventDefault();
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complete({
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result: true,
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sanitize: e.currentTarget.dataset.importSanitize === 'true'
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});
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modalNode.modal('hide');
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};
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const onModalHide = () => {
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complete({result: false});
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};
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let completed = false;
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const complete = (result) => {
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if (completed) { return; }
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completed = true;
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modalNode.off('hide.bs.modal', onModalHide);
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for (const button of buttons) {
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button.removeEventListener('click', onButtonClick, false);
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}
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resolve(result);
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};
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// Hook events
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modalNode.on('hide.bs.modal', onModalHide);
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for (const button of buttons) {
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button.addEventListener('click', onButtonClick, false);
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}
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});
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}
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function _isLocalhostUrl(urlString) {
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try {
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const url = new URL(urlString);
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switch (url.hostname.toLowerCase()) {
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case 'localhost':
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case '127.0.0.1':
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case '[::1]':
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switch (url.protocol.toLowerCase()) {
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case 'http:':
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case 'https:':
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return true;
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}
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break;
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}
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} catch (e) {
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// NOP
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}
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return false;
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}
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function _settingsImportSanitizeProfileOptions(options, dryRun) {
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const warnings = [];
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const anki = options.anki;
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if (isObject(anki)) {
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const fieldTemplates = anki.fieldTemplates;
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if (typeof fieldTemplates === 'string') {
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warnings.push('anki.fieldTemplates contains a non-default value');
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if (!dryRun) {
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delete anki.fieldTemplates;
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}
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}
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const server = anki.server;
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if (typeof server === 'string' && server.length > 0 && !_isLocalhostUrl(server)) {
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warnings.push('anki.server uses a non-localhost URL');
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if (!dryRun) {
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delete anki.server;
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}
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}
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}
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const audio = options.audio;
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if (isObject(audio)) {
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const customSourceUrl = audio.customSourceUrl;
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if (typeof customSourceUrl === 'string' && customSourceUrl.length > 0 && !_isLocalhostUrl(customSourceUrl)) {
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warnings.push('audio.customSourceUrl uses a non-localhost URL');
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if (!dryRun) {
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delete audio.customSourceUrl;
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}
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}
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}
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return warnings;
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}
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function _settingsImportSanitizeOptions(optionsFull, dryRun) {
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const warnings = new Set();
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const profiles = optionsFull.profiles;
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if (Array.isArray(profiles)) {
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for (const profile of profiles) {
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if (!isObject(profile)) { continue; }
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const options = profile.options;
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if (!isObject(options)) { continue; }
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const warnings2 = _settingsImportSanitizeProfileOptions(options, dryRun);
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for (const warning of warnings2) {
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warnings.add(warning);
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}
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}
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}
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return warnings;
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}
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function _utf8Decode(arrayBuffer) {
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try {
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return new TextDecoder('utf-8').decode(arrayBuffer);
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} catch (e) {
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const binaryString = String.fromCharCode.apply(null, new Uint8Array(arrayBuffer));
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return decodeURIComponent(escape(binaryString));
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}
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}
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async function _importSettingsFile(file) {
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const dataString = _utf8Decode(await utilReadFileArrayBuffer(file));
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const data = JSON.parse(dataString);
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// Type check
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if (!isObject(data)) {
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throw new Error(`Invalid data type: ${typeof data}`);
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}
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// Version check
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const version = data.version;
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if (!(
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typeof version === 'number' &&
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Number.isFinite(version) &&
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version === Math.floor(version)
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)) {
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throw new Error(`Invalid version: ${version}`);
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}
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if (!(
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version >= 0 &&
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version <= SETTINGS_EXPORT_CURRENT_VERSION
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)) {
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throw new Error(`Unsupported version: ${version}`);
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}
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// Verify options exists
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let optionsFull = data.options;
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if (!isObject(optionsFull)) {
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throw new Error(`Invalid options type: ${typeof optionsFull}`);
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}
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// Upgrade options
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optionsFull = optionsUpdateVersion(optionsFull, {});
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// Check for warnings
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const sanitizationWarnings = _settingsImportSanitizeOptions(optionsFull, true);
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// Show sanitization warnings
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if (sanitizationWarnings.size > 0) {
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const {result, sanitize} = await _showSettingsImportWarnings(sanitizationWarnings);
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if (!result) { return; }
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if (sanitize !== false) {
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_settingsImportSanitizeOptions(optionsFull, false);
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}
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}
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// Assign options
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await _settingsImportSetOptionsFull(optionsFull);
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// Reload settings page
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window.location.reload();
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}
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function _onSettingsImportClick() {
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document.querySelector('#settings-import-file').click();
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}
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function _onSettingsImportFileChange(e) {
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const files = e.target.files;
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if (files.length === 0) { return; }
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const file = files[0];
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e.target.value = null;
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_importSettingsFile(file).catch(_showSettingsImportError);
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}
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// Resetting
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function _onSettingsResetClick() {
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$('#settings-reset-modal').modal('show');
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}
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async function _onSettingsResetConfirmClick() {
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$('#settings-reset-modal').modal('hide');
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// Get default options
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const optionsFull = optionsGetDefault();
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// Assign options
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await _settingsImportSetOptionsFull(optionsFull);
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// Reload settings page
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window.location.reload();
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}
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// Setup
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function backupInitialize() {
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document.querySelector('#settings-export').addEventListener('click', _onSettingsExportClick, false);
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document.querySelector('#settings-import').addEventListener('click', _onSettingsImportClick, false);
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document.querySelector('#settings-import-file').addEventListener('change', _onSettingsImportFileChange, false);
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document.querySelector('#settings-reset').addEventListener('click', _onSettingsResetClick, false);
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document.querySelector('#settings-reset-modal-confirm').addEventListener('click', _onSettingsResetConfirmClick, false);
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}
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