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feat: read subscriptions from an Atom feed when a page lists no dated links

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randogoth 2026-10-11 13:35:19 +03:00
parent b0b86ef5b1
commit fa51d5793d
9 changed files with 411 additions and 4 deletions
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14
app/lib/mews/parser.dart
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@ -51,7 +51,7 @@ MewsPage parseMewsPage({required String source, required String url}) {
title: headData.title,
description: headData.description,
author: headData.author,
atomFeedHref: headData.atomFeedHref,
atomFeedHref: _feedHref(headData.atomFeedHref, url),
lang: html.getAttribute('xml:lang') ??
html.getAttribute('lang') ??
bodyElement.getAttribute('lang') ??
@ -294,6 +294,18 @@ ImageBlock _imageBlock(XmlElement element, String pageUrl) {
/// Rough registrable-domain match: the last two labels. Fine for the small
/// web; a public-suffix list is out of scope for v1.
/// The page's Atom feed as an absolute address (spec 6.2), or null when the
/// page declares none or points at another site: a client must not load
/// another site's resources without the reader acting (specs 7.4 and 8.1).
String? _feedHref(String? href, String pageUrl) {
if (href == null || href.isEmpty) return null;
final page = Uri.tryParse(pageUrl);
if (page == null) return null;
final resolved = page.resolve(href);
if (resolved.scheme != 'http' && resolved.scheme != 'https') return null;
return _sameSite(resolved, page) ? resolved.toString() : null;
}
bool _sameSite(Uri image, Uri page) {
String? domain(Uri uri) {
final host = uri.host;