276 lines
10 KiB
JavaScript
276 lines
10 KiB
JavaScript
var LANGS = ["DE", "EN", "ES", "FI", "FR", "HU", "IT", "JA", "LZH", "KO", "PL", "PT", "RU", "TH", "TOK", "UK", "ZH"];
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var BASE64REGEX = /^([0-9a-zA-Z+/]{4})*(([0-9a-zA-Z+/]{2}==)|([0-9a-zA-Z+/]{3}=))?$/;
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function b64decode(str) {
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const binary_string = atob(str);
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const len = binary_string.length;
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const bytes = new Uint8Array(new ArrayBuffer(len));
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for (let i = 0; i < len; i++) {
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bytes[i] = binary_string.charCodeAt(i);
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}
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return bytes;
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}
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async function commonFunctionDecompressJSON(value) {
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// Check if value is base64 encoded:
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if (BASE64REGEX.test(value)) {
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// Decode into blob
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const stream = new Blob([b64decode(value)], {
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type: "application/json",
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}).stream();
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// Decompress value
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const decompressedReadableStream = stream.pipeThrough(
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new DecompressionStream("gzip")
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);
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const resp = new Response(decompressedReadableStream);
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const blob = await resp.blob();
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const blobText = JSON.parse(await blob.text());
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return blobText;
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} else {
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return value;
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}
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}
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async function commonFunctionCompressJSON(value) {
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const stream = new Blob([JSON.stringify(value)], {
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type: 'application/json',
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}).stream();
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// Compress stream with gzip
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const compressedReadableStream = stream.pipeThrough(
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new CompressionStream("gzip")
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);
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const compressedResponse = new Response(compressedReadableStream);
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// Convert response to blob and buffer
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const blob = await compressedResponse.blob();
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const buffer = await blob.arrayBuffer();
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// Encode and return string
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return btoa(
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String.fromCharCode(
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...new Uint8Array(buffer)
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)
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);
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}
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// Load wiki data objects, with each destination having its own object
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async function commonFunctionGetSiteDataByDestination() {
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var sites = [];
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let promises = [];
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for (let i = 0; i < LANGS.length; i++) {
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promises.push(fetch(chrome.runtime.getURL('data/sites' + LANGS[i] + '.json'))
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.then((resp) => resp.json())
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.then((jsonData) => {
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jsonData.forEach((site) => site.language = LANGS[i]);
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sites = sites.concat(jsonData);
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}));
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}
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await Promise.all(promises);
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return sites;
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}
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async function populateSiteDataByOrigin() {
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// Populate with the site data
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let sites = [];
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let promises = [];
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for (let i = 0; i < LANGS.length; i++) {
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promises.push(fetch(chrome.runtime.getURL('data/sites' + LANGS[i] + '.json'))
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.then((resp) => resp.json())
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.then((jsonData) => {
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jsonData.forEach((site) => {
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site.origins.forEach((origin) => {
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sites.push({
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"id": site.id,
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"origin": origin.origin,
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"origin_base_url": origin.origin_base_url,
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"origin_content_path": origin.origin_content_path,
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"origin_main_page": origin.origin_main_page,
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"destination": site.destination,
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"destination_base_url": site.destination_base_url,
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"destination_search_path": site.destination_search_path,
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"destination_content_prefix": origin.destination_content_prefix || site.destination_content_prefix || "",
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// /w/index.php?title= is the default path for a new MediaWiki install, change as accordingly in config JSON files
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"destination_content_path": site.destination_content_path || "/w/index.php?title=",
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"destination_content_suffix": origin.destination_content_suffix || site.destination_content_suffix || "",
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"destination_platform": site.destination_platform,
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"destination_icon": site.destination_icon,
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"destination_main_page": site.destination_main_page,
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"tags": site.tags || [],
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"language": LANGS[i]
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})
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})
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});
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}));
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}
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await Promise.all(promises);
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window.iwb_siteDataByOrigin = sites;
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return window.iwb_siteDataByOrigin;
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}
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// Load wiki data objects, with each origin having its own object
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async function commonFunctionGetSiteDataByOrigin() {
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if (!window.iwb_siteDataByOrigin || window.iwb_siteDataByOrigin.length === 0) {
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await populateSiteDataByOrigin();
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}
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return window.iwb_siteDataByOrigin;
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}
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// Given a URL, find closest match in our dataset
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async function commonFunctionFindMatchingSite(site, crossLanguageSetting, dest = false) {
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let base_url_key = dest ? 'destination_base_url' : 'origin_base_url';
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let matchingSite = commonFunctionGetSiteDataByOrigin().then(sites => {
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let matchingSites = [];
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if (crossLanguageSetting === 'on') {
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matchingSites = sites.filter(el => site.replace(/.*https?:\/\//, '').startsWith(el[base_url_key]));
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} else {
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matchingSites = sites.filter(el =>
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site.replace(/.*https?:\/\//, '').startsWith(dest ? el[base_url_key] : (el.origin_base_url + el.origin_content_path))
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|| site.replace(/.*https?:\/\//, '').replace(/\/$/, '') === el[base_url_key]
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);
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}
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if (matchingSites.length > 0) {
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// Select match with longest base URL
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let closestMatch = '';
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matchingSites.forEach(site => {
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if (site[base_url_key].length > closestMatch.length) {
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closestMatch = site[base_url_key];
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}
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});
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return matchingSites.find(site => site[base_url_key] === closestMatch);
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} else {
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return null;
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}
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});
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return matchingSite;
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}
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function commonFunctionGetOriginArticle(originURL, matchingSite) {
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let url = new URL(originURL);
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return decodeURIComponent(String(url.pathname).split(matchingSite['origin_content_path'])[1] || '');
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}
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function commonFunctionGetDestinationArticle(matchingSite, article) {
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return matchingSite['destination_content_prefix'] + article + matchingSite['destination_content_suffix'];
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}
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function commonFunctionGetNewURL(originURL, matchingSite) {
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// Get article name from the end of the URL;
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// We can't just take the last part of the path due to subpages;
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// Instead, we take everything after the wiki's base URL + content path
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let originArticle = commonFunctionGetOriginArticle(originURL, matchingSite);
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let destinationArticle = commonFunctionGetDestinationArticle(matchingSite, originArticle);
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// Set up URL to redirect user to based on wiki platform
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let newURL = '';
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if (originArticle) {
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// Check if main page
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if (originArticle === matchingSite['origin_main_page']) {
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switch (matchingSite['destination_platform']) {
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case 'dokuwiki':
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destinationArticle = '';
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break;
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default:
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destinationArticle = matchingSite['destination_main_page'] + matchingSite['destination_content_suffix'];
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}
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}
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// Replace underscores with spaces as that performs better in search
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destinationArticle = destinationArticle.replaceAll('_', ' ');
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// If a Fextralife wiki, replace plus signs with spaces
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// When there are multiple plus signs together, this regex will only replace only the first
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if (matchingSite['origin_base_url'].includes('.wiki.fextralife.com')) {
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destinationArticle = destinationArticle.replace(/(?<!\+)\+/g, ' ');
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}
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// Encode article
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destinationArticle = encodeURIComponent(destinationArticle);
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let searchParams = '';
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switch (matchingSite['destination_platform']) {
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case 'mediawiki':
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searchParams = '?title=Special:Search&search=' + destinationArticle;
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break;
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case 'dokuwiki':
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searchParams = '?do=search&q=' + destinationArticle;
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break;
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}
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newURL = 'https://' + matchingSite["destination_base_url"] + matchingSite["destination_search_path"] + searchParams;
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} else {
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newURL = 'https://' + matchingSite["destination_base_url"];
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}
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return newURL;
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}
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// Temporary function to migrate user data to IWB version 3.0+
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async function commonFunctionMigrateToV3() {
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await chrome.storage.sync.get(async (storage) => {
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if (!storage.v3migration) {
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let defaultWikiAction = storage.defaultWikiAction || 'alert';
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let defaultSearchAction = storage.defaultSearchAction || 'replace';
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// Set new default action settings:
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if (!storage.defaultWikiAction) {
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if (storage.defaultActionSettings && storage.defaultActionSettings['EN']) {
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defaultWikiAction = storage.defaultActionSettings['EN'];
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}
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chrome.storage.sync.set({ 'defaultWikiAction': defaultWikiAction });
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}
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if (!storage.defaultSearchAction) {
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if (storage.defaultSearchFilterSettings && storage.defaultSearchFilterSettings['EN']) {
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if (storage.defaultSearchFilterSettings['EN'] === 'false') {
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defaultSearchAction = 'disabled';
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} else {
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defaultSearchAction = 'replace';
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}
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}
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chrome.storage.sync.set({ 'defaultSearchAction': defaultSearchAction });
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}
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// Remove old objects:
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chrome.storage.sync.remove('defaultActionSettings');
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chrome.storage.sync.remove('defaultSearchFilterSettings');
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// Migrate wiki settings to new searchEngineSettings and wikiSettings objects
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sites = await commonFunctionGetSiteDataByOrigin();
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let siteSettings = storage.siteSettings || {};
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let searchEngineSettings = await commonFunctionDecompressJSON(storage.searchEngineSettings || {});
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let wikiSettings = await commonFunctionDecompressJSON(storage.wikiSettings) || {};
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sites.forEach((site) => {
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if (!searchEngineSettings[site.id]) {
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if (siteSettings[site.id] && siteSettings[site.id].searchFilter) {
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if (siteSettings[site.id].searchFilter === 'false') {
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searchEngineSettings[site.id] = 'disabled';
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} else {
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searchEngineSettings[site.id] = 'replace';
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}
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} else {
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searchEngineSettings[site.id] = defaultSearchAction;
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}
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}
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if (!wikiSettings[site.id]) {
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wikiSettings[site.id] = siteSettings[site.id]?.action || defaultWikiAction;
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}
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});
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chrome.storage.sync.set({ 'searchEngineSettings': await commonFunctionCompressJSON(searchEngineSettings) });
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chrome.storage.sync.set({ 'wikiSettings': await commonFunctionCompressJSON(wikiSettings) });
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// Remove old object:
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chrome.storage.sync.remove('siteSettings');
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// Mark v3 migration as complete:
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chrome.storage.sync.set({ 'v3migration': 'done' });
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}
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});
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}
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