mirror of
https://github.com/NousResearch/hermes-agent.git
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75b428c852
* feat(ui-tui): resolve links to readable page titles Mirror desktop pretty-link behavior in the TUI by resolving HTTP links to page titles with shared caching and safe fetch filters, plus slug-based fallbacks so chat links stay readable even when title fetch fails. * refactor(ui-tui): tighten link-title fallback handling Clean up the link-title resolver by hardening in-flight cleanup and clarifying title length limits, while adding focused coverage for HTML entity decoding and markdown-label fallback behavior. * fix(ui-tui): block private-network targets in title fetches Prevent automatic link-title resolution from requesting local or private hosts by rejecting RFC1918, link-local, ULA, and intranet-style hostnames before fetch, and add regression coverage for blocked host patterns.
138 lines
5.2 KiB
TypeScript
138 lines
5.2 KiB
TypeScript
import { afterEach, describe, expect, it, vi } from 'vitest'
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import {
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__resetLinkTitleCache,
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fetchLinkTitle,
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hostPathLabel,
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isTitleFetchable,
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normalizeExternalUrl,
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urlSlugTitleLabel
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} from '../lib/externalLink.js'
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afterEach(() => {
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__resetLinkTitleCache()
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vi.restoreAllMocks()
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vi.unstubAllGlobals()
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})
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describe('external link helpers', () => {
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it('formats URL fallbacks as host + path', () => {
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expect(
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hostPathLabel(
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'https://www.getyourguide.com/culebra-island-l145468/from-fajardo-full-day-cordillera-islands-catamaran-tour-t19894/'
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)
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).toBe('getyourguide.com/culebra-island-l145468/from-fajardo-full-day-cordillera-islands-catamaran-tour-t19894')
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})
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it('derives readable title fallbacks from URL slugs', () => {
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expect(
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urlSlugTitleLabel('https://www.getyourguide.com/fajardo-l882/from-fajardo-icacos-island-full-day-catamaran-trip-t19891/')
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).toBe('From Fajardo Icacos Island Full Day Catamaran Trip')
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})
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it('normalizes scheme-less links', () => {
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expect(normalizeExternalUrl(' expedia.com/things-to-do/puerto-rico-el-yunque ')).toBe(
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'https://expedia.com/things-to-do/puerto-rico-el-yunque'
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)
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})
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it('filters out local/non-http targets for title fetches', () => {
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expect(isTitleFetchable('https://www.expedia.com/things-to-do/foo')).toBe(true)
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expect(isTitleFetchable('http://localhost:5174')).toBe(false)
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expect(isTitleFetchable('file:///tmp/demo.html')).toBe(false)
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expect(isTitleFetchable('mailto:hello@example.com')).toBe(false)
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})
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it('blocks private, link-local, and intranet hosts', () => {
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expect(isTitleFetchable('http://10.0.0.12/path')).toBe(false)
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expect(isTitleFetchable('http://172.22.5.4/path')).toBe(false)
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expect(isTitleFetchable('http://192.168.1.22/path')).toBe(false)
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expect(isTitleFetchable('http://169.254.169.254/latest/meta-data')).toBe(false)
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expect(isTitleFetchable('http://[fd00::1]/')).toBe(false)
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expect(isTitleFetchable('http://[fe80::1]/')).toBe(false)
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expect(isTitleFetchable('http://printer.local/status')).toBe(false)
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expect(isTitleFetchable('http://intranet/status')).toBe(false)
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expect(isTitleFetchable('https://8.8.8.8/status')).toBe(true)
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})
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it('deduplicates in-flight title fetches and caches results', async () => {
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const fetchMock = vi.fn().mockResolvedValue(
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new Response('<html><head><title>El Yunque Tour Water Slide, Rope Swing & Pickup</title></head></html>', {
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headers: { 'content-type': 'text/html; charset=utf-8' },
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status: 200
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})
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)
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vi.stubGlobal('fetch', fetchMock)
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const url = 'https://www.expedia.com/things-to-do/puerto-rico-el-yunque-rainforest-adventure.a46272756.activity-details'
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const [first, second] = await Promise.all([fetchLinkTitle(url), fetchLinkTitle(url)])
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expect(first).toBe('El Yunque Tour Water Slide, Rope Swing & Pickup')
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expect(second).toBe('El Yunque Tour Water Slide, Rope Swing & Pickup')
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expect(fetchMock).toHaveBeenCalledTimes(1)
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const third = await fetchLinkTitle(url)
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expect(third).toBe('El Yunque Tour Water Slide, Rope Swing & Pickup')
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expect(fetchMock).toHaveBeenCalledTimes(1)
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})
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it('shares cache across protocol/www URL variants', async () => {
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const fetchMock = vi.fn().mockResolvedValue(
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new Response('<html><head><title>Shared Canonical Title</title></head></html>', {
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headers: { 'content-type': 'text/html' },
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status: 200
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})
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)
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vi.stubGlobal('fetch', fetchMock)
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const first = 'https://www.getyourguide.com/san-juan-puerto-rico-l355/sunset-tours-tc306/'
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const second = 'http://getyourguide.com/san-juan-puerto-rico-l355/sunset-tours-tc306/'
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const [a, b] = await Promise.all([fetchLinkTitle(first), fetchLinkTitle(second)])
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expect(a).toBe('Shared Canonical Title')
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expect(b).toBe('Shared Canonical Title')
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expect(fetchMock).toHaveBeenCalledTimes(1)
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})
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it('ignores error-like fetched titles', async () => {
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const fetchMock = vi.fn().mockResolvedValue(
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new Response('<html><head><title>Just a moment...</title></head></html>', {
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headers: { 'content-type': 'text/html' },
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status: 200
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})
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)
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vi.stubGlobal('fetch', fetchMock)
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const url = 'https://www.getyourguide.com/culebra-island-l145468/from-fajardo-full-day-cordillera-islands-catamaran-tour-t19894/'
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await expect(fetchLinkTitle(url)).resolves.toBe('')
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})
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it('decodes HTML entities in fetched titles', async () => {
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const fetchMock = vi.fn().mockResolvedValue(
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new Response('<html><head><title>AT&T 'Deals'</title></head></html>', {
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headers: { 'content-type': 'text/html' },
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status: 200
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})
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)
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vi.stubGlobal('fetch', fetchMock)
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await expect(fetchLinkTitle('https://example.com/offers')).resolves.toBe("AT&T 'Deals'")
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})
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it('skips network fetch for non-fetchable targets', async () => {
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const fetchMock = vi.fn()
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vi.stubGlobal('fetch', fetchMock)
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await expect(fetchLinkTitle('http://localhost:3000/path')).resolves.toBe('')
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await expect(fetchLinkTitle('mailto:hello@example.com')).resolves.toBe('')
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await expect(fetchLinkTitle('file:///tmp/demo.html')).resolves.toBe('')
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expect(fetchMock).not.toHaveBeenCalled()
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})
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})
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