kopia lustrzana https://github.com/lartsch/FediAct
129 wiersze
4.3 KiB
JavaScript
129 wiersze
4.3 KiB
JavaScript
// prep
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var instance;
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var showAlert;
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var lastUrl = window.location.href;
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var buttonPaths = ["div.account__header button.logo-button","div.public-account-header a.logo-button"];
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// function to wait for given elements to appear - first found element gets returned
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var waitForEl = function(selectors, callback) {
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var match = false;
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for (const selector of selectors) {
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if ($(selector).length) {
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match = true;
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callback(selector);
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}
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}
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if (!match) {
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setTimeout(function() {
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waitForEl(selectors, callback);
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}, 100);
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}
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};
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// regex match to extract @handle from any (as always, the regex was awful to build)
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function extractHandle(url) {
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if (!url) return null;
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// regex with named match group
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const match = url.match(/^(?:https?:\/\/(www\.)?.*\..*?\/)(?<handle>@\w+(?:@\w+\.\w+)?)(?:\/?.*|\z)$/);
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// return the named match group
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return match.groups.handle
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}
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// main function to listen for the follow button pressed and open a new tab with the home instance
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function processButton() {
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// is this site on our home instance?
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if (!(document.domain == instance)) {
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// wait for the DOM...
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$(document).ready(function() {
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// check if we are on a mastodon site with a handle in url
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if (($("head").text().includes("mastodon") || $("head").text().includes("Mastodon") || $("div#mastodon").length) && window.location.href.includes("@")) {
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// wait until follow button appears
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waitForEl(buttonPaths, function(found) {
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// grab the user handle
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handle = extractHandle(window.location.href);
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// if we got one...
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if (!(handle == null) && (handle.match(/@/g) || []).length > 0) {
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// setup the button click listener
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$(found).click(function(e) {
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e.preventDefault();
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e.stopImmediatePropagation();
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// check the alert setting and show it if set
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if (showAlert) {
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alert("Redirecting to "+instance);
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}
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// backup the button text
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var originaltext = $(found).text();
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// replace the button text to indicate redirection
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$(found).text("Redirecting...");
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// timeout 1000ms to make it possible to notice the redirection indication
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setTimeout(function() {
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// if more than 1 @, we have a domain
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if ((handle.match(/@/g) || []).length > 1) {
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// but if its our own...
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if (handle.includes(instance)) {
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// ...then we need to remove it
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handle = "@"+ handle.split("@")[1];
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}
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// request string
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var request = 'https://'+instance+'/'+handle;
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} else {
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// with only 1 @, we have a local handle and need to append to domain
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var request = 'https://'+instance+'/'+handle+'@'+document.domain;
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}
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// open the window
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var win = window.open(request, '_blank');
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// focus the new tab if open was successfull
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if (win) {
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win.focus();
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} else {
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// otherwise notify user...
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console.log('Please allow popups for this website');
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}
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// restore original button text
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$(found).text(originaltext)
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}, 1000);
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});
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}
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});
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}
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});
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}
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}
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// for some reason, locationchange event did not work for me so lets use this ugly thing...
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function urlChangeLoop() {
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// run every 100ms, can probably be reduced
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setTimeout(function() {
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// compare last to current url
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if (!(lastUrl == window.location.href)) {
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// update lastUrl and run main script
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lastUrl = window.location.href;
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processButton();
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}
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// repeat
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urlChangeLoop();
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}, 300);
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}
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// get the extension setting for the users' Mastadon home instance
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chrome.storage.local.get(['mastodonhomeinstance'], function(fetchedData) {
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instance = fetchedData.mastodonhomeinstance;
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// and alert setting
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chrome.storage.local.get(['mastodonalert'], function(fetchedData) {
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showAlert = fetchedData.mastodonalert;
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// if the value is empty/null/undefined...
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if (instance == null || !instance) {
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console.log("Mastodon home instance is not set.");
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} else {
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// if the value looks like a domain...
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if (/\w+\.\w+/.test(instance)) {
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// ... run the actual script (once for the start and then in a loop depending on url changes)
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processButton();
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urlChangeLoop();
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} else {
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console.log("Instance setting is not a valid domain name.");
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}
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}
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});
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});
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