safer-indie-wiki-buddy/content-search-filtering.js

674 lines
26 KiB
JavaScript

const LANGS = ["DE", "EN", "ES", "FR", "IT", "KO", "PL", "PT", "RU", "TOK", "UK", "ZH"];
const currentURL = new URL(document.location);
let filteredWikis = [];
let hiddenWikisRevealed = {};
// Create object prototypes for getting and setting attributes:
Object.prototype.get = function (prop) {
this[prop] = this[prop] || {};
return this[prop];
};
Object.prototype.set = function (prop, value) {
this[prop] = value;
}
// Function to create an observer to watch for mutations on search pages
// This is used for search engines that paginate via JavaScript,
// or overwrite their results and remove IWB's elements
function addLocationObserver(callback) {
const config = {
attributes: false,
childList: true,
subtree: true
}
const observer = new MutationObserver(callback);
observer.observe(document.body, config);
}
// Load website data:
async function getData() {
let sites = [];
let promises = [];
for (let i = 0; i < LANGS.length; i++) {
promises.push(fetch(chrome.runtime.getURL('data/sites' + LANGS[i] + '.json'))
.then((resp) => resp.json())
.then((jsonData) => {
jsonData.forEach((site) => {
site.origins.forEach((origin) => {
sites.push({
"id": site.id,
"origin": origin.origin,
"origin_group": site.origins_label,
"origin_base_url": origin.origin_base_url,
"origin_content_path": origin.origin_content_path,
"origin_main_page": origin.origin_main_page,
"destination": site.destination,
"destination_base_url": site.destination_base_url,
"destination_search_path": site.destination_search_path,
"destination_content_prefix": origin.destination_content_prefix || site.destination_content_prefix || "",
"destination_platform": site.destination_platform,
"destination_icon": site.destination_icon,
"destination_main_page": site.destination_main_page,
"lang": LANGS[i]
})
})
});
}));
}
await Promise.all(promises);
return sites;
}
function insertCSS() {
// Output CSS
styleString = `
.iwb-notice {
display: block !important;
margin: .5em .5em 1em .5em !important;
padding: .5em .5em .5em 1em !important;
border-left: 3px solid #FFCC33 !important;
font-size: 14px !important;
color: white !important;
mix-blend-mode: difference !important;
}
.iwb-notice a {
text-decoration: underline !important;
color: white !important;
mix-blend-mode: difference !important;
}
.iwb-notice button {
cursor: pointer !important;
display: inline-block !important;
padding: 2px 8px !important;
margin: 8px 8px 0 0 !important;
background-color: transparent !important;
border: 1px solid !important;
border-radius: 5px !important;
font-size: 12px !important;
color: white !important;
mix-blend-mode: difference !important;
text-align: left !important;
}
.iwb-hide {
display: none !important;
}
.iwb-show {
display: block !important;
}
.iwb-notice button:hover {
outline: 1px solid !important;
}
.iwb-new-link-container {
display: inline-block;
font-size: 12px !important;
text-decoration: none;
padding-left: 5px;
position: relative;
}
.iwb-new-link {
display: inline-block;
text-decoration: none;
position: relative;
}
.iwb-new-link:hover {
text-decoration: none;
z-index: 9999999;
}
.iwb-new-link button {
cursor: pointer;
color: white;
background: #005799;
border: 0px solid #fff;
border-radius: 10px;
padding: 5px 10px;
margin: .5em 0;
font-size: 1.2em;
width: fit-content;
}
.iwb-new-link button:hover {
background: #00467a;
}
.iwb-new-link button * {
vertical-align: middle;
}
.iwb-new-link div:first-of-type {
display: inline-block;
background: white;
border-radius: 16px;
margin-right: 10px;
width: fit-content;
height: fit-content;
line-height: 12px;
padding: 5px;
}
.iwb-new-link img {
width: 12px;
}
.iwb-disavow > *:not([class^="iwb-"]) {
opacity: 60%;
pointer-events: none;
cursor: default;
}
.iwb-disavow > a:not([class^="iwb-"]), .iwb-disavow > *:not([class^="iwb-"]) a, .iwb-disavow > *:not([class^="iwb-"]) a * {
text-decoration: line-through !important;
}
.iwb-result-controls {
display: inline-block;
margin: .5em;
font-size: 12px;
color: white !important;
mix-blend-mode: difference !important;
}
.iwb-result-controls > div {
display: inline-block;
cursor: pointer;
text-decoration: underline;
text-decoration-style: dotted;
text-decoration-thickness: 1px;
padding: 0 1em;
}
.iwb-notice .iwb-result-controls {
margin: 8px 0 0 0;
}
`
style = document.createElement('style');
style.classList.add('iwb-styles');
style.textContent = styleString;
document.head.append(style);
}
// Function to convert strings to consistent IDs
// Used to convert wiki names to element IDs
function stringToId(string) {
return string.replaceAll(' ', '-').replaceAll("'", '').replace(/\W/g, '').toLowerCase();
}
// Function to escape string to use in regex
function escapeRegex(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}
function replaceSearchResults(searchResultContainer, site, link) {
// Build new URL:
let originArticle = decodeURIComponent(link.split(site['origin_base_url'] + site['origin_content_path'])[1] || '');
let destinationArticle = site['destination_content_prefix'] + originArticle;
let newURL = '';
if (originArticle) {
// Check if main page
if (originArticle === site['origin_main_page']) {
switch (site['destination_platform']) {
case 'doku':
destinationArticle = '';
break;
default:
destinationArticle = site['destination_main_page'];
}
}
// Replace underscores with spaces as that performs better in search
destinationArticle = destinationArticle.replaceAll('_', ' ');
// If a Fextralife wiki, replace plus signs with spaces
// When there are multiple plus signs together, this regex will only replace only the first
if (site['origin_base_url'].includes('.wiki.fextralife.com')) {
destinationArticle = destinationArticle.replace(/(?<!\+)\+/g, ' ');
}
// Encode article
destinationArticle = encodeURIComponent(destinationArticle);
let searchParams = '';
switch (site['destination_platform']) {
case 'mediawiki':
searchParams = '?search=' + destinationArticle;
break;
case 'doku':
searchParams = 'start?do=search&q=' + destinationArticle;
break;
}
newURL = 'https://' + site['destination_base_url'] + site['destination_search_path'] + searchParams;
} else {
newURL = 'https://' + site['destination_base_url'];
}
if (searchResultContainer && !searchResultContainer.querySelector('.iwb-new-link')) {
if (!searchResultContainer.classList.contains('iwb-detected')) {
searchResultContainer.classList.add('iwb-detected');
searchResultContainer.classList.add('iwb-disavow');
}
// Using aside to avoid conflicts with website CSS and listeners:
let indieContainer = document.createElement('aside');
indieContainer.classList.add('iwb-new-link-container');
let indieResultLink = document.createElement('a');
indieResultLink.href = newURL;
indieResultLink.classList.add('iwb-new-link');
let indieResultButton = document.createElement('button');
let indieResultFaviconContainer = document.createElement('div');
let indieResultFavicon = document.createElement('img');
indieResultFavicon.alt = '';
indieResultFavicon.width = '12';
indieResultFavicon.height = '12';
indieResultFavicon.src = chrome.runtime.getURL('favicons/' + site.lang.toLowerCase() + '/' + site.destination_icon);
indieResultFaviconContainer.append(indieResultFavicon);
let indieResultText = document.createElement('span');
if (originArticle && originArticle !== site['origin_main_page']) {
destinationArticleTitle = destinationArticle.replace(site['destination_content_prefix'], '').replaceAll('_', ' ');
if (site['lang'] === 'EN' && link.match(/fandom\.com\/[a-z]{2}\/wiki\//)) {
indieResultText.innerText = 'Look up "' + decodeURIComponent(decodeURIComponent(destinationArticleTitle)) + '" on ' + site.destination + ' (EN)';
} else {
indieResultText.innerText = 'Look up "' + decodeURIComponent(decodeURIComponent(destinationArticleTitle)) + '" on ' + site.destination;
}
} else {
if (site['lang'] === 'EN' && link.match(/fandom\.com\/[a-z]{2}\/wiki\//)) {
indieResultText.innerText = 'Visit ' + site.destination + ' (EN) instead';
} else {
indieResultText.innerText = 'Visit ' + site.destination + ' instead';
}
}
indieResultButton.append(indieResultFaviconContainer);
indieResultButton.append(indieResultText);
indieResultLink.appendChild(indieResultButton);
// Output container for result controls:
let resultControls = document.createElement('div');
resultControls.classList.add('iwb-result-controls');
// Output link to re-enable disabled result:
let enableResultButton = document.createElement('div');
enableResultButton.innerText = 'Re-enable the result below';
resultControls.prepend(enableResultButton);
enableResultButton.addEventListener('click', (e) => {
e.target.closest('.iwb-disavow').classList.remove('iwb-disavow');
e.target.classList.add('iwb-hide');
});
indieContainer.appendChild(indieResultLink);
indieContainer.appendChild(resultControls);
searchResultContainer.prepend(indieContainer);
return 1;
}
return 0;
}
function hideSearchResults(searchResultContainer, searchEngine, site, showBanner = 'on') {
// Insert search result removal notice
if (showBanner === 'on' && !filteredWikis.includes(site.lang + ' ' + site.origin_group)) {
filteredWikis.push(site.lang + ' ' + site.origin_group);
let elementId = stringToId(site.lang + '-' + site.origin_group);
hiddenWikisRevealed[elementId] = false;
// Using aside to avoid conflicts with website CSS and listeners:
let searchRemovalNotice = document.createElement('aside');
searchRemovalNotice.id = 'iwb-notice-' + elementId;
searchRemovalNotice.classList.add('iwb-notice');
let searchRemovalNoticeLink = document.createElement('a');
searchRemovalNoticeLink.href = 'https://' + site.destination_base_url;
searchRemovalNoticeLink.textContent = site.destination;
searchRemovalNoticePretext = document.createTextNode('Indie Wiki Buddy has filtered out results from ' + site.origin_group + (site.lang !== 'EN' ? ' (' + site.lang + ')' : '') + '. Look for results from ');
searchRemovalNoticePosttext = document.createTextNode(' instead.');
searchRemovalNotice.appendChild(searchRemovalNoticePretext);
searchRemovalNotice.appendChild(searchRemovalNoticeLink);
searchRemovalNotice.appendChild(searchRemovalNoticePosttext);
// Output container for result controls:
let resultControls = document.createElement('div');
resultControls.classList.add('iwb-result-controls');
// Output link to show hidden results:
let showResultsButton = document.createElement('div');
showResultsButton.setAttribute('data-group', 'iwb-search-result-' + elementId);
showResultsButton.innerText = 'Show filtered results';
resultControls.appendChild(showResultsButton)
showResultsButton.onclick = function (e) {
if (e.target.textContent.includes('Show')) {
e.target.textContent = 'Re-hide filtered results';
hiddenWikisRevealed[elementId] = true;
const selector = e.currentTarget.dataset.group;
document.querySelectorAll('.' + selector).forEach(el => {
el.classList.add('iwb-show');
})
} else {
e.target.textContent = 'Show filtered results';
hiddenWikisRevealed[elementId] = false;
const selector = e.currentTarget.dataset.group;
document.querySelectorAll('.' + selector).forEach(el => {
el.classList.remove('iwb-show');
})
}
}
searchRemovalNotice.appendChild(resultControls);
switch (searchEngine) {
case 'google':
if (document.querySelector('#search')) {
document.querySelector('#search').prepend(searchRemovalNotice);
} else if (document.querySelector('#topstuff')) {
document.querySelector('#topstuff').prepend(searchRemovalNotice);
} else if (document.querySelector('#main')) {
var el = document.querySelector('#main');
if (el.querySelector('#main > div[data-hveid]')) {
el.insertBefore(searchRemovalNotice, el.querySelector('div[data-hveid]'));
} else {
el.insertBefore(searchRemovalNotice, el.querySelector('div div[data-hveid]').parentElement);
}
};
break;
case 'bing':
var li = document.createElement('li');
li.appendChild(searchRemovalNotice);
document.querySelector('#b_results').prepend(li);
break;
case 'duckduckgo':
if (document.getElementById('web_content_wrapper')) {
var li = document.createElement('li');
li.appendChild(searchRemovalNotice);
document.querySelector('#web_content_wrapper ol').prepend(li);
} else {
document.getElementById('links').prepend(searchRemovalNotice);
}
break;
case 'brave':
document.querySelector('body').prepend(searchRemovalNotice);
break;
case 'ecosia':
document.querySelector('body').prepend(searchRemovalNotice);
break;
case 'startpage':
document.querySelector('#main').prepend(searchRemovalNotice);
break;
case 'yahoo':
if (document.querySelector('#web > ol')) {
var li = document.createElement('li');
li.appendChild(searchRemovalNotice);
document.querySelector('#web > ol').prepend(li);
} else {
document.querySelector('#main-algo').prepend(searchRemovalNotice);
}
break;
default:
}
}
if (!Array.from(searchResultContainer.classList).includes('iwb-hide')) {
let elementId = stringToId(site.lang + '-' + site.origin_group);
searchResultContainer.classList.add('iwb-search-result-' + elementId);
searchResultContainer.classList.add('iwb-hide');
searchResultContainer.classList.add('iwb-detected');
if (hiddenWikisRevealed[elementId]) {
searchResultContainer.classList.add('iwb-show');
}
return 1;
}
return 0;
}
function filterSearchResults(searchResults, searchEngine, storage) {
getData().then(sites => {
let crossLanguageSetting = storage.crossLanguage || 'off';
let countFiltered = 0;
for (let searchResult of searchResults) {
try {
// Check that result isn't within another result
if (!searchResult.closest('.iwb-detected')) {
let searchResultLink = '';
if (searchEngine === 'bing') {
searchResultLink = searchResult.innerHTML.replaceAll('<strong>', '').replaceAll('</strong>', '');
} else {
searchResultLink = searchResult.closest('a[href]').href;
}
let urlObj = new URL(searchResultLink);
urlObj.search = '';
let link = String(decodeURIComponent(urlObj.toString()));
if (searchEngine === 'google') {
// Break if image result:
if (link.includes('imgurl=')) {
break;
}
}
// Check if site is in our list of wikis:
if (crossLanguageSetting === 'on') {
matchingSites = sites.filter(el => link.replace(/.*https?:\/\//, '').startsWith(el.origin_base_url));
} else {
matchingSites = sites.filter(el => link.replace(/.*https?:\/\//, '') === (el.origin_base_url));
matchingSites = matchingSites.concat(sites.filter(el => link.replace(/.*https?:\/\//, '').startsWith(el.origin_base_url + el.origin_content_path)));
}
if (matchingSites.length > 0) {
// Select match with longest base URL
let closestMatch = "";
matchingSites.forEach(site => {
if (site.origin_base_url.length > closestMatch.length) {
closestMatch = site.origin_base_url;
}
});
let site = matchingSites.find(site => site.origin_base_url === closestMatch);
if (site) {
// Get user's settings for the wiki
let id = site['id'];
let searchFilterSetting = 'replace';
if (storage.searchEngineSettings && storage.searchEngineSettings[id]) {
searchFilterSetting = storage.searchEngineSettings[id];
} else if (storage.defaultSearchAction) {
searchFilterSetting = storage.defaultSearchAction;
}
if (searchFilterSetting !== 'disabled') {
// Output stylesheet if not already done
if (filteredWikis.length === 0) {
// Wait for head to be available
const headElement = document.querySelector('head');
if (headElement && !document.querySelector('.iwb-styles')) {
insertCSS();
} else {
const docObserver = new MutationObserver((mutations, mutationInstance) => {
const headElement = document.querySelector('head');
if (headElement && !document.querySelector('.iwb-styles')) {
insertCSS();
mutationInstance.disconnect();
}
});
docObserver.observe(document, {
childList: true,
subtree: true
});
}
}
let searchResultContainer = null;
switch (searchEngine) {
case 'google':
searchResultContainer = searchResult.closest('div[data-hveid].g') || searchResult.closest('div[data-hveid]');
break;
case 'bing':
searchResultContainer = searchResult.closest('li.b_algo');
break;
case 'duckduckgo':
searchResultContainer = searchResult.closest('li[data-layout], div.web-result');
break;
case 'brave':
searchResultContainer = searchResult.closest('div.snippet');
break;
case 'ecosia':
searchResultContainer = searchResult.closest('div.mainline__result-wrapper article div.result__body');
break;
case 'startpage':
searchResultContainer = searchResult.closest('div.w-gl__result');
break;
case 'yahoo':
searchResultContainer = searchResult.closest('#web > ol > li div.itm .exp, #web > ol > li div.algo, #web > ol > li, section.algo');
break;
default:
}
if (searchResultContainer) {
if (searchFilterSetting === 'hide') {
countFiltered += hideSearchResults(searchResultContainer, searchEngine, site, storage['hiddenResultsBanner']);
} else {
countFiltered += replaceSearchResults(searchResultContainer, site, link);
}
}
}
}
}
}
} catch (e) {
console.log('Indie Wiki Buddy failed to properly parse search results with error: ' + e);
}
};
addLocationObserver(main);
if (countFiltered > 0) {
chrome.storage.sync.set({ 'countSearchFilters': (storage.countSearchFilters ?? 0) + countFiltered });
}
});
}
function main(mutations = null, observer = null) {
if (observer) {
observer.disconnect();
}
chrome.storage.local.get((localStorage) => {
chrome.storage.sync.get((syncStorage) => {
const storage = { ...syncStorage, ...localStorage };
// Check if extension is on:
if ((storage.power ?? 'on') === 'on') {
// Determine which search engine we're on
if (currentURL.hostname.includes('www.google.')) {
// Function to filter search results in Google
function filterGoogle() {
let searchResults = document.querySelectorAll("div[data-hveid] a[href*='fandom.com']:first-of-type:not([role='button']):not([target]), div[data-hveid] a[href*='fextralife.com']:first-of-type:not([role='button']):not([target])");
filterSearchResults(searchResults, 'google', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterGoogle();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterGoogle();
}
}, { once: true });
}
} else if (currentURL.hostname.includes('duckduckgo.com') && (currentURL.search.includes('q=') || currentURL.pathname.includes('html'))) {
// Function to filter search results in DuckDuckGo
function filterDuckDuckGo() {
let searchResults = document.querySelectorAll('h2>a[href*="fandom.com"], h2>a[href*="fextralife.com"]');
filterSearchResults(searchResults, 'duckduckgo', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterDuckDuckGo();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterDuckDuckGo();
}
}, { once: true });
}
} else if (currentURL.hostname.endsWith('.bing.com')) {
// Function to filter search results in Bing
function filterBing() {
let searchResults = Array.from(document.querySelectorAll('.b_attribution>cite')).filter(el =>
el.innerHTML.replaceAll('<strong>', '').replaceAll('</strong>', '').includes('fandom.com')
|| el.innerHTML.replaceAll('<strong>', '').replaceAll('</strong>', '').includes('fextralife.com')
);
filterSearchResults(searchResults, 'bing', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterBing();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterBing();
}
}, { once: true });
}
} else if (currentURL.hostname.includes('search.brave.com')) {
// Function to filter search results in Brave
function filterBrave() {
let searchResults = Array.from(document.querySelectorAll('div.snippet[data-type="web"] a')).filter(el => el.innerHTML.includes('fandom.com') || el.innerHTML.includes('fextralife.com'));
filterSearchResults(searchResults, 'brave', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterBrave();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterBrave();
}
}, { once: true });
}
} else if (currentURL.hostname.includes('ecosia.org')) {
// Function to filter search results in Ecosia
function filterEcosia() {
let searchResults = Array.from(document.querySelectorAll('section.mainline .result__title a.result__link')).filter(el => el.href.includes('fandom.com') || el.href.includes('fextralife.com'));
filterSearchResults(searchResults, 'ecosia', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterEcosia();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterEcosia();
}
}, { once: true });
}
} else if (currentURL.hostname.includes('startpage.com')) {
// Function to filter search results in Startpage
function filterStartpage() {
let searchResults = Array.from(document.querySelectorAll('a.result-link')).filter(el => el.href.includes('fandom.com') || el.href.includes('fextralife.com'));
filterSearchResults(searchResults, 'startpage', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterStartpage();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterStartpage();
}
}, { once: true });
}
} else if (currentURL.hostname.includes('yahoo.com')) {
// Function to filter search results in Yahoo
function filterYahoo() {
let searchResults = Array.from(document.querySelectorAll('#web > ol > li a:not(.thmb), #main-algo section.algo a:not(.thmb)')).filter(el => el.href.includes('fandom.com') || el.href.includes('fextralife.com'));
filterSearchResults(searchResults, 'yahoo', storage);
}
// Wait for document to be interactive/complete:
if (['interactive', 'complete'].includes(document.readyState)) {
filterYahoo();
} else {
document.addEventListener('readystatechange', e => {
if (['interactive', 'complete'].includes(document.readyState)) {
filterYahoo();
}
}, { once: true });
}
}
}
});
});
}
main();