enhance news crawler configuration with new sources and improved request headers

This commit is contained in:
ImBenji 2026-04-16 23:50:24 +01:00
parent 11647e6a35
commit 77db05a555
3 changed files with 91 additions and 20 deletions

View file

@ -392,8 +392,8 @@
"format": "json" "format": "json"
}, },
"newsCrawler": { "newsCrawler": {
"maxPages": 15, "maxPages": -1,
"maxDepth": 1, "maxDepth": 10,
"requestTimeout": 15000, "requestTimeout": 15000,
"disabledLabels": [ "disabledLabels": [
"Arab News", "Arab News",

View file

@ -19,6 +19,8 @@ const TRACKING_PARAM_PATTERNS = [
const LISTING_PATH_HINT = /(archive|archives|latest|topic|topics|section|sections|category|categories|news|world|business|politics|technology|tech|markets|economy|page|tag|tags)/i; const LISTING_PATH_HINT = /(archive|archives|latest|topic|topics|section|sections|category|categories|news|world|business|politics|technology|tech|markets|economy|page|tag|tags)/i;
const ARTICLE_DATE_PATH = /\/\d{4}\/\d{2}\/\d{2}(?:\/|$)|\/\d{4}\/\d{2}(?:\/|$)/; const ARTICLE_DATE_PATH = /\/\d{4}\/\d{2}\/\d{2}(?:\/|$)|\/\d{4}\/\d{2}(?:\/|$)/;
const ARTICLE_PATH_HINT = /(\/article\/|\/articles\/|\/news\/|\/story\/|\/stories\/)/i; const ARTICLE_PATH_HINT = /(\/article\/|\/articles\/|\/news\/|\/story\/|\/stories\/)/i;
const ARTICLE_PATH_STRONG_HINT = /\/\d{4}\/\d{2}\/\d{2}\//;
const LISTING_ARTICLE_FALSE_POSITIVE_PATH = /(\/category\/|\/tag\/|\/latest(?:\/|$)|\/topics?(?:\/|$)|\/sections?(?:\/|$))/i;
const BLOCKED_PATH_HINT = /(\/search(?:\/|$)|\/login(?:\/|$)|\/account(?:\/|$)|\/video(?:\/|$)|\/videos(?:\/|$)|\/podcast(?:\/|$)|\/podcasts(?:\/|$)|\/live(?:\/|$))/i; const BLOCKED_PATH_HINT = /(\/search(?:\/|$)|\/login(?:\/|$)|\/account(?:\/|$)|\/video(?:\/|$)|\/videos(?:\/|$)|\/podcast(?:\/|$)|\/podcasts(?:\/|$)|\/live(?:\/|$))/i;
function decodeHtmlEntities(value) { function decodeHtmlEntities(value) {
@ -267,30 +269,36 @@ function selectPubDate(meta, jsonLdArticle, html) {
function scorePage(pageUrl, meta, html, jsonLdArticle, links) { function scorePage(pageUrl, meta, html, jsonLdArticle, links) {
let articleScore = 0; let articleScore = 0;
let listingScore = 0; let listingScore = 0;
const pathname = new URL(pageUrl).pathname;
const hasArticleDatePath = ARTICLE_DATE_PATH.test(pageUrl);
const hasArticlePathHint = ARTICLE_PATH_HINT.test(pageUrl);
const hasStrongArticlePath = ARTICLE_PATH_STRONG_HINT.test(pathname);
const hasListingFalsePositivePath = LISTING_ARTICLE_FALSE_POSITIVE_PATH.test(pathname);
const paragraphTextLength = extractParagraphTextLength(html);
const headlineLinks = links.filter(({ text }) => text.length >= 25 && text.length <= 180).length; const headlineLinks = links.filter(({ text }) => text.length >= 25 && text.length <= 180).length;
if (jsonLdArticle) { if (jsonLdArticle) {
articleScore += 3; articleScore += 4;
} }
if (String(meta.get('og:type') || '').toLowerCase() === 'article') { if (String(meta.get('og:type') || '').toLowerCase() === 'article' && !hasListingFalsePositivePath) {
articleScore += 2; articleScore += 1;
} }
if (meta.get('article:published_time') || meta.get('og:article:published_time') || extractTimeDatetime(html)) { if ((meta.get('article:published_time') || meta.get('og:article:published_time') || extractTimeDatetime(html)) && !hasListingFalsePositivePath) {
articleScore += 2; articleScore += 1;
} }
if (/<article\b/i.test(html)) { if (/<article\b/i.test(html)) {
articleScore += 1; articleScore += 1;
} }
if (ARTICLE_DATE_PATH.test(pageUrl) || ARTICLE_PATH_HINT.test(pageUrl)) { if (hasArticleDatePath || hasArticlePathHint) {
articleScore += 1; articleScore += 2;
} }
if (extractH1(html) && extractParagraphTextLength(html) >= 500) { if (extractH1(html) && paragraphTextLength >= 500) {
articleScore += 1; articleScore += 2;
} }
if (links.length >= 20) { if (links.length >= 20) {
@ -301,15 +309,23 @@ function scorePage(pageUrl, meta, html, jsonLdArticle, links) {
listingScore += 2; listingScore += 2;
} }
if (LISTING_PATH_HINT.test(new URL(pageUrl).pathname)) { if (LISTING_PATH_HINT.test(pathname)) {
listingScore += 1; listingScore += 1;
} }
if (articleScore > 0) { if (hasListingFalsePositivePath) {
listingScore -= 2; listingScore += 3;
} }
return { articleScore, listingScore }; if (articleScore > 0) {
listingScore -= 1;
}
const isArticleCandidate = articleScore >= 4
&& articleScore > listingScore
&& (Boolean(jsonLdArticle) || hasStrongArticlePath || hasArticlePathHint || paragraphTextLength >= 500);
return { articleScore, listingScore, isArticleCandidate };
} }
function shouldQueueLink(url) { function shouldQueueLink(url) {
@ -396,6 +412,20 @@ function buildDefaultSeeds(feedUrl) {
} }
} }
function normalizeLimit(value, fallback, minimum, maximum) {
const numeric = Number(value);
if (numeric === -1) {
return Number.POSITIVE_INFINITY;
}
if (!Number.isFinite(numeric)) {
return fallback;
}
return Math.max(minimum, Math.min(numeric, maximum));
}
function normalizeSite(site) { function normalizeSite(site) {
const allowedHosts = unique((site.allowedHosts || []).map((host) => String(host || '').toLowerCase()).filter(Boolean)); const allowedHosts = unique((site.allowedHosts || []).map((host) => String(host || '').toLowerCase()).filter(Boolean));
const seeds = unique((site.seeds || []) const seeds = unique((site.seeds || [])
@ -407,8 +437,8 @@ function normalizeSite(site) {
label: String(site.label || '').trim(), label: String(site.label || '').trim(),
allowedHosts, allowedHosts,
seeds, seeds,
maxPages: Math.max(1, Math.min(Number(site.maxPages) || 15, 500)), maxPages: normalizeLimit(site.maxPages, 15, 1, 500),
maxDepth: Math.max(0, Math.min(Number(site.maxDepth) || 1, 5)), maxDepth: normalizeLimit(site.maxDepth, 1, 0, 5),
requestTimeout: Math.max(1000, Math.min(Number(site.requestTimeout) || 15000, 30000)), requestTimeout: Math.max(1000, Math.min(Number(site.requestTimeout) || 15000, 30000)),
}; };
} }
@ -515,9 +545,9 @@ async function crawlSite(site) {
? canonicalizeUrl(canonicalHref, current.url, normalizedSite.allowedHosts) || current.url ? canonicalizeUrl(canonicalHref, current.url, normalizedSite.allowedHosts) || current.url
: current.url; : current.url;
const links = extractLinks(html, canonicalUrl, normalizedSite.allowedHosts); const links = extractLinks(html, canonicalUrl, normalizedSite.allowedHosts);
const { articleScore, listingScore } = scorePage(canonicalUrl, meta, html, jsonLdArticle, links); const { listingScore, isArticleCandidate } = scorePage(canonicalUrl, meta, html, jsonLdArticle, links);
if (articleScore >= 3 && !discoveredArticleUrls.has(canonicalUrl)) { if (isArticleCandidate && !discoveredArticleUrls.has(canonicalUrl)) {
const title = normalizeText(selectTitle(meta, jsonLdArticle, html)); const title = normalizeText(selectTitle(meta, jsonLdArticle, html));
if (title) { if (title) {
discoveredArticleUrls.add(canonicalUrl); discoveredArticleUrls.add(canonicalUrl);

View file

@ -1,5 +1,6 @@
const Parser = require('rss-parser'); const Parser = require('rss-parser');
const config = require('../config'); const config = require('../config');
const { fetchWithPolicy } = require('../http');
const parser = new Parser({ const parser = new Parser({
timeout: 10000, timeout: 10000,
@ -43,9 +44,11 @@ const invalidFeedLabels = new Set([
const malformedFeedLabels = new Set([ const malformedFeedLabels = new Set([
'BFM Business', 'BFM Business',
'Business Daily Africa', 'Business Daily Africa',
'Nation News Barbados',
]); ]);
const loggedBlockedFeeds = new Set(); const loggedBlockedFeeds = new Set();
const loggedInvalidFeeds = new Set(); const loggedInvalidFeeds = new Set();
const loggedUpstreamFeedSkips = new Set();
function getHostname(url) { function getHostname(url) {
try { try {
@ -65,6 +68,34 @@ function isMalformedFeedError(error) {
return message.includes('Invalid character in entity name') || message.includes('Attribute without value'); return message.includes('Invalid character in entity name') || message.includes('Attribute without value');
} }
function getErrorStatus(error) {
if (error && Number.isInteger(error.status)) {
return error.status;
}
const match = String(error && error.message || '').match(/\b(401|403|404|408|429|5\d\d)\b/);
return match ? Number(match[1]) : null;
}
async function parseFeed(feedUrl) {
const response = await fetchWithPolicy(feedUrl, {
timeout: 10000,
retries: 1,
headers: {
Accept: 'application/rss+xml, application/xml, text/xml;q=0.9, */*;q=0.8',
},
});
if (!response.ok) {
const error = new Error(`Status code ${response.status}`);
error.status = response.status;
throw error;
}
const xml = await response.text();
return parser.parseString(xml);
}
async function fetchRssArticles() { async function fetchRssArticles() {
const articles = []; const articles = [];
@ -89,7 +120,7 @@ async function fetchRssArticles() {
} }
try { try {
const parsed = await parser.parseURL(feed.url); const parsed = await parseFeed(feed.url);
for (const item of parsed.items || []) { for (const item of parsed.items || []) {
const title = String(item.title || '').trim(); const title = String(item.title || '').trim();
const url = String(item.link || item.guid || '').trim(); const url = String(item.link || item.guid || '').trim();
@ -115,6 +146,16 @@ async function fetchRssArticles() {
continue; continue;
} }
const status = getErrorStatus(error);
if (status === 401 || status === 403 || status === 404 || status === 429) {
const key = `${label}:${status}`;
if (!loggedUpstreamFeedSkips.has(key)) {
loggedUpstreamFeedSkips.add(key);
console.warn(`RSS feed skipped for ${label}: upstream returned ${status}`);
}
continue;
}
console.error(`Failed to fetch RSS feed: ${label}`, error); console.error(`Failed to fetch RSS feed: ${label}`, error);
} }
} }