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Copyright 2024 The Chromium Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\nimport type * as Platform from '../../../core/platform/platform.js';\nimport * as ThirdPartyWeb from '../../../third_party/third-party-web/third-party-web.js';\nimport * as Types from '../types/types.js';\n\nimport type {TraceEventsForNetworkRequest} from './NetworkRequestsHandler.js';\nimport type {ParsedTrace} from './types.js';\n\nexport type Entity = typeof ThirdPartyWeb.ThirdPartyWeb.entities[number]&{\n  isUnrecognized?: boolean,\n};\n\nexport interface EntityMappings {\n  createdEntityCache: Map<string, Entity>;\n  entityByEvent: Map<Types.Events.Event, Entity>;\n  eventsByEntity: Map<Entity, Types.Events.Event[]>;\n  entityByUrlCache: Map<string, Entity>;\n}\n\nexport function getEntityForEvent(event: Types.Events.Event, entityMappings: EntityMappings): Entity|undefined {\n  const url = getNonResolvedURL(event);\n  if (!url) {\n    return;\n  }\n  return getEntityForUrl(url, entityMappings);\n}\n\nexport function getEntityForUrl(url: string, entityMappings: EntityMappings): Entity|undefined {\n  const cachedByUrl = entityMappings.entityByUrlCache.get(url);\n  if (cachedByUrl) {\n    return cachedByUrl;\n  }\n  const entity = ThirdPartyWeb.ThirdPartyWeb.getEntity(url) ?? makeUpEntity(entityMappings.createdEntityCache, url);\n  if (entity) {\n    entityMappings.entityByUrlCache.set(url, entity);\n  }\n  return entity;\n}\n\nexport function getNonResolvedURL(\n    entry: Types.Events.Event, parsedTrace?: ParsedTrace): Platform.DevToolsPath.UrlString|null {\n  if (Types.Events.isProfileCall(entry)) {\n    return entry.callFrame.url as Platform.DevToolsPath.UrlString;\n  }\n\n  if (Types.Events.isSyntheticNetworkRequest(entry)) {\n    return entry.args.data.url as Platform.DevToolsPath.UrlString;\n  }\n\n  if (Types.Events.isParseAuthorStyleSheetEvent(entry) && entry.args) {\n    return entry.args.data.stylesheetUrl as Platform.DevToolsPath.UrlString;\n  }\n\n  if (entry.args?.data?.stackTrace && entry.args.data.stackTrace.length > 0) {\n    return entry.args.data.stackTrace[0].url as Platform.DevToolsPath.UrlString;\n  }\n\n  // ParseHTML events store the URL under beginData, not data.\n  if (Types.Events.isParseHTML(entry)) {\n    return entry.args.beginData.url as Platform.DevToolsPath.UrlString;\n  }\n\n  if (parsedTrace) {\n    // DecodeImage events use the URL from the relevant PaintImage event.\n    if (Types.Events.isDecodeImage(entry)) {\n      const paintEvent = parsedTrace.ImagePainting.paintImageForEvent.get(entry);\n      return paintEvent ? getNonResolvedURL(paintEvent, parsedTrace) : null;\n    }\n\n    // DrawLazyPixelRef events use the URL from the relevant PaintImage event.\n    if (Types.Events.isDrawLazyPixelRef(entry) && entry.args?.LazyPixelRef) {\n      const paintEvent = parsedTrace.ImagePainting.paintImageByDrawLazyPixelRef.get(entry.args.LazyPixelRef);\n      return paintEvent ? getNonResolvedURL(paintEvent, parsedTrace) : null;\n    }\n  }\n\n  // For all other events, try to see if the URL is provided, else return null.\n  if (entry.args?.data?.url) {\n    return entry.args.data.url as Platform.DevToolsPath.UrlString;\n  }\n\n  // Many events don't have a url, but are associated with a request. Use the\n  // request's url.\n  const requestId = (entry.args?.data as {requestId?: string})?.requestId;\n  if (parsedTrace && requestId) {\n    const url = parsedTrace.NetworkRequests.byId.get(requestId)?.args.data.url;\n    if (url) {\n      return url as Platform.DevToolsPath.UrlString;\n    }\n  }\n\n  return null;\n}\n\nexport function makeUpEntity(entityCache: Map<string, Entity>, url: string): Entity|undefined {\n  if (url.startsWith('chrome-extension:')) {\n    return makeUpChromeExtensionEntity(entityCache, url);\n  }\n\n  // Make up an entity only for valid http/https URLs.\n  if (!url.startsWith('http')) {\n    return;\n  }\n\n  // NOTE: Lighthouse uses a tld database to determine the root domain, but here\n  // we are using third party web's database. Doesn't really work for the case of classifying\n  // domains 3pweb doesn't know about, so it will just give us a guess.\n  const rootDomain = ThirdPartyWeb.ThirdPartyWeb.getRootDomain(url);\n  if (!rootDomain) {\n    return;\n  }\n\n  if (entityCache.has(rootDomain)) {\n    return entityCache.get(rootDomain);\n  }\n\n  const unrecognizedEntity = {\n    name: rootDomain,\n    company: rootDomain,\n    category: '',\n    categories: [],\n    domains: [rootDomain],\n    averageExecutionTime: 0,\n    totalExecutionTime: 0,\n    totalOccurrences: 0,\n    isUnrecognized: true,\n  };\n  entityCache.set(rootDomain, unrecognizedEntity);\n  return unrecognizedEntity;\n}\n\nfunction getChromeExtensionOrigin(url: URL): string {\n  return url.protocol + '//' + url.host;\n}\n\nfunction makeUpChromeExtensionEntity(entityCache: Map<string, Entity>, url: string, extensionName?: string): Entity {\n  const parsedUrl = new URL(url);\n  const origin = getChromeExtensionOrigin(parsedUrl);\n  const host = new URL(origin).host;\n  const name = extensionName || host;\n\n  const cachedEntity = entityCache.get(origin);\n  if (cachedEntity) {\n    return cachedEntity;\n  }\n\n  const chromeExtensionEntity = {\n    name,\n    company: name,\n    category: 'Chrome Extension',\n    homepage: 'https://chromewebstore.google.com/detail/' + host,\n    categories: [],\n    domains: [origin],\n    averageExecutionTime: 0,\n    totalExecutionTime: 0,\n    totalOccurrences: 0,\n  };\n\n  entityCache.set(origin, chromeExtensionEntity);\n  return chromeExtensionEntity;\n}\n\nexport function addEventToEntityMapping(event: Types.Events.Event, entityMappings: EntityMappings): void {\n  // As we share the entityMappings between Network and Renderer... We can have ResourceSendRequest events passed in here\n  // that were already mapped in Network. So, to avoid mapping twice, we always check that we didn't yet.\n  if (entityMappings.entityByEvent.has(event)) {\n    return;\n  }\n\n  const entity = getEntityForEvent(event, entityMappings);\n  if (!entity) {\n    return;\n  }\n\n  const mappedEvents = entityMappings.eventsByEntity.get(entity);\n  if (mappedEvents) {\n    mappedEvents.push(event);\n  } else {\n    entityMappings.eventsByEntity.set(entity, [event]);\n  }\n  entityMappings.entityByEvent.set(event, entity);\n}\n\n// A slight upgrade of addEventToEntityMapping to handle the sub-events of a network request.\nexport function addNetworkRequestToEntityMapping(\n    networkRequest: Types.Events.SyntheticNetworkRequest, entityMappings: EntityMappings,\n    requestTraceEvents: TraceEventsForNetworkRequest): void {\n  const entity = getEntityForEvent(networkRequest, entityMappings);\n  if (!entity) {\n    return;\n  }\n  // In addition to mapping the network request, we'll also assign this entity to its \"child\" instant events like receiveData, willSendRequest, finishLoading, etc,\n  const eventsToMap = [networkRequest, ...Object.values(requestTraceEvents).flat()];\n  const mappedEvents = entityMappings.eventsByEntity.get(entity);\n  if (mappedEvents) {\n    mappedEvents.push(...eventsToMap);\n  } else {\n    entityMappings.eventsByEntity.set(entity, eventsToMap);\n  }\n  for (const evt of eventsToMap) {\n    entityMappings.entityByEvent.set(evt, entity);\n  }\n}\n"]}