cba7680de0
The 662-line handler (the largest in the file) split into one function per data-source/merge stage: facility+IX-location coordinate resolution (facilities.js), neighbour name-resolution + threat-intel enrichment (enrich-neighbours.js), RIR/country derivation cascade (rir-country.js), visibility/prefix-size computation (routing-info.js), multi-source cross-checks + data-quality scoring (cross-check.js), and a slim orchestrator (index.js) running Phase 0/1 fetch and final result assembly. Verified via node --check, eslint no-undef (2 known bugs remain: compare, webhooks), and smoke-test harness (28/28 match, including a byte-for-byte match on /api/lookup's own large response body -- the strongest possible confirmation this, the most complex handler in the file, was decomposed without changing behavior). server.js: 2917 -> 1734 lines (6838 originally -- 75% reduction so far).
52 lines
2.3 KiB
JavaScript
52 lines
2.3 KiB
JavaScript
const { ARIN_CC, APNIC_CC, LACNIC_CC, AFRINIC_CC } = require("../../data/rir-country-codes");
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// Derive RIR and country through a cascade of fallback sources: RIPE Stat
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// rir-stats-country, RDAP port43, RDAP self-link, bgp.he.net country_code,
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// then a country-code-to-RIR table as a last resort.
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function deriveRirAndCountry(rirEntries, rirData, rdapData, bgpHeData) {
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let rir = "";
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let country = "";
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// RIPE Stat rir-stats-country uses 'location' field (not 'country' or 'rir')
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if (Array.isArray(rirEntries) && rirEntries.length > 0) {
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country = rirEntries[0]?.location || rirEntries[0]?.country || "";
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rir = rirEntries[0]?.rir || "";
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}
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if (!rir && rirData?.data) {
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const rirField = rirData.data.rirs || [];
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if (rirField.length > 0) rir = rirField[0]?.rir || "";
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}
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// Derive RIR from rdapData.port43 (e.g. "whois.ripe.net" → "RIPE")
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if (!rir && rdapData && rdapData.port43) {
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const p43 = (rdapData.port43 || "").toLowerCase();
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if (p43.includes("ripe")) rir = "RIPE";
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else if (p43.includes("arin")) rir = "ARIN";
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else if (p43.includes("apnic")) rir = "APNIC";
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else if (p43.includes("lacnic")) rir = "LACNIC";
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else if (p43.includes("afrinic")) rir = "AFRINIC";
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}
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// Also derive RIR from RDAP links (URL of the RDAP endpoint that responded)
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if (!rir && rdapData && rdapData.links) {
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const selfLink = (rdapData.links.find(l => l.rel === "self") || {}).href || "";
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if (selfLink.includes("ripe")) rir = "RIPE";
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else if (selfLink.includes("arin")) rir = "ARIN";
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else if (selfLink.includes("apnic")) rir = "APNIC";
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else if (selfLink.includes("lacnic")) rir = "LACNIC";
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else if (selfLink.includes("afrinic")) rir = "AFRINIC";
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}
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// bgp.he.net country_code fallback (for unannounced/reserve ASNs)
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if (!country && bgpHeData && bgpHeData.country_code) {
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country = bgpHeData.country_code;
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}
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// Last resort: derive RIR from country code (common assignments)
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if (!rir && country) {
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if (ARIN_CC.has(country)) rir = "ARIN";
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else if (APNIC_CC.has(country)) rir = "APNIC";
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else if (LACNIC_CC.has(country)) rir = "LACNIC";
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else if (AFRINIC_CC.has(country)) rir = "AFRINIC";
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else rir = "RIPE"; // Europe + rest = RIPE NCC
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}
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return { rir, country };
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}
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module.exports = { deriveRirAndCountry };
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