40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
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(async () => {
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const status = document.querySelector('.js-status');
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status.textContent = 'Looking up Fediverse profile...';
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let url = null;
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try {
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const response = await fetch(`${location.protocol}//${FEDI_INSTANCE}/.well-known/webfinger?format=json&resource=acct:${FEDI_USERNAME}@${FEDI_INSTANCE}`);
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const webfinger = await response.json();
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if(typeof webfinger === 'object') {
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if(Array.isArray(webfinger.links))
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for(const link of webfinger.links)
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if(typeof link === 'object' && link.rel === 'http://webfinger.net/rel/profile-page' && typeof link.href === 'string') {
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url = link.href;
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break;
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}
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if(typeof url !== 'string' && Array.isArray(webfinger.aliases))
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for(const alias of webfinger.aliases)
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if(typeof alias === 'string') {
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url = alias;
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break;
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}
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}
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} catch(ex) {
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status.style.color = 'red';
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status.textContent = `Could not complete Webfinger lookup! ${ex}`;
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return;
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}
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if(typeof url !== 'string' || (!url.startsWith('https://') && !url.startsWith('http://'))) {
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status.style.color = 'red';
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status.textContent = 'Could not find an acceptable profile URL.';
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return;
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}
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status.textContent = `Redirecting to ${url}...`;
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location.replace(url);
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})();
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