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662 lines
16 KiB
662 lines
16 KiB
'use strict'
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function toArray(value) {
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return Array.isArray(value) ? value : [value]
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}
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const benchmarkEnabled =
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typeof process !== 'undefined' ? !!process.env.WAPPALYZER_BENCHMARK : false
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let benchmarks = []
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function benchmark(duration, pattern, value = '', technology) {
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if (!benchmarkEnabled) {
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return
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}
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benchmarks.push({
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duration,
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pattern: String(pattern.regex),
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value: String(value).slice(0, 100),
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valueLength: value.length,
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technology: technology.name,
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})
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}
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function benchmarkSummary() {
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if (!benchmarkEnabled) {
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return
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}
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const totalPatterns = Object.values(benchmarks).length
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const totalDuration = Object.values(benchmarks).reduce(
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(sum, { duration }) => sum + duration,
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0
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)
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// eslint-disable-next-line no-console
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console.log({
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totalPatterns,
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totalDuration,
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averageDuration: Math.round(totalDuration / totalPatterns),
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slowestTechnologies: Object.values(
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benchmarks.reduce((benchmarks, { duration, technology }) => {
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if (benchmarks[technology]) {
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benchmarks[technology].duration += duration
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} else {
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benchmarks[technology] = { technology, duration }
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}
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return benchmarks
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}, {})
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)
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.sort(({ duration: a }, { duration: b }) => (a > b ? -1 : 1))
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.filter(({ duration }) => duration)
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.slice(0, 5)
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.reduce(
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(technologies, { technology, duration }) => ({
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...technologies,
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[technology]: duration,
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}),
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{}
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),
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slowestPatterns: Object.values(benchmarks)
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.sort(({ duration: a }, { duration: b }) => (a > b ? -1 : 1))
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.filter(({ duration }) => duration)
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.slice(0, 5),
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})
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}
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const Wappalyzer = {
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technologies: [],
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categories: [],
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requires: [],
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categoryRequires: [],
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slugify: (string) =>
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string
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.toLowerCase()
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.replace(/[^a-z0-9-]/g, '-')
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.replace(/--+/g, '-')
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.replace(/(?:^-|-$)/g, ''),
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getTechnology: (name) =>
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[
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...Wappalyzer.technologies,
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...Wappalyzer.requires.map(({ technologies }) => technologies).flat(),
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...Wappalyzer.categoryRequires
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.map(({ technologies }) => technologies)
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.flat(),
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].find(({ name: _name }) => name === _name),
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getCategory: (id) => Wappalyzer.categories.find(({ id: _id }) => id === _id),
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/**
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* Resolve promises for implied technology.
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* @param {Array} detections
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*/
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resolve(detections = []) {
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const resolved = detections.reduce((resolved, { technology, lastUrl }) => {
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if (
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resolved.findIndex(
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({ technology: { name } }) => name === technology.name
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) === -1
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) {
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let version = ''
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let confidence = 0
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detections
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.filter(({ technology }) => technology)
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.forEach(
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({ technology: { name }, pattern, version: _version = '' }) => {
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if (name === technology.name) {
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confidence = Math.min(100, confidence + pattern.confidence)
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version =
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_version.length > version.length &&
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_version.length <= 15 &&
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(parseInt(_version, 10) || 0) < 10000 // Ignore long numeric strings like timestamps
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? _version
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: version
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}
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}
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)
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resolved.push({ technology, confidence, version, lastUrl })
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}
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return resolved
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}, [])
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Wappalyzer.resolveExcludes(resolved)
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Wappalyzer.resolveImplies(resolved)
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const priority = ({ technology: { categories } }) =>
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categories.reduce(
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(max, id) => Math.max(max, Wappalyzer.getCategory(id).priority),
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0
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)
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return resolved
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.sort((a, b) => (priority(a) > priority(b) ? 1 : -1))
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.map(
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({
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technology: { name, slug, categories, icon, website, pricing, cpe },
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confidence,
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version,
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lastUrl,
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}) => ({
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name,
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slug,
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categories: categories.map((id) => Wappalyzer.getCategory(id)),
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confidence,
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version,
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icon,
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website,
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pricing,
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cpe,
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lastUrl,
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})
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)
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},
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/**
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* Resolve promises for version of technology.
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* @param {Promise} resolved
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* @param match
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*/
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resolveVersion({ version, regex }, match) {
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let resolved = version
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if (version) {
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const matches = regex.exec(match)
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if (matches) {
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matches.forEach((match, index) => {
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// Parse ternary operator
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const ternary = new RegExp(`\\\\${index}\\?([^:]+):(.*)$`).exec(
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version
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)
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if (ternary && ternary.length === 3) {
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resolved = version.replace(
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ternary[0],
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match ? ternary[1] : ternary[2]
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)
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}
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// Replace back references
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resolved = resolved
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.trim()
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.replace(new RegExp(`\\\\${index}`, 'g'), match || '')
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})
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}
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}
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return resolved
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},
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/**
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* Resolve promises for excluded technology.
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* @param {Promise} resolved
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*/
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resolveExcludes(resolved) {
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resolved.forEach(({ technology }) => {
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technology.excludes.forEach(({ name }) => {
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const excluded = Wappalyzer.getTechnology(name)
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if (!excluded) {
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throw new Error(`Excluded technology does not exist: ${name}`)
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}
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let index
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do {
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index = resolved.findIndex(
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({ technology: { name } }) => name === excluded.name
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)
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if (index !== -1) {
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resolved.splice(index, 1)
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}
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} while (index !== -1)
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})
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})
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},
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/**
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* Resolve promises for implied technology.
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* @param {Promise} resolved
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*/
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resolveImplies(resolved) {
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let done = false
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do {
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done = true
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resolved.forEach(({ technology, confidence, lastUrl }) => {
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technology.implies.forEach(({ name, confidence: _confidence }) => {
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const implied = Wappalyzer.getTechnology(name)
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if (!implied) {
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throw new Error(`Implied technology does not exist: ${name}`)
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}
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if (
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resolved.findIndex(
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({ technology: { name } }) => name === implied.name
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) === -1
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) {
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resolved.push({
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technology: implied,
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confidence: Math.min(confidence, _confidence),
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version: '',
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lastUrl,
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})
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done = false
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}
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})
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})
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} while (resolved.length && !done)
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},
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/**
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* Initialize analyzation.
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* @param {*} param0
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*/
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analyze(items, technologies = Wappalyzer.technologies) {
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benchmarks = []
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const oo = Wappalyzer.analyzeOneToOne
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const om = Wappalyzer.analyzeOneToMany
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const mm = Wappalyzer.analyzeManyToMany
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const relations = {
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url: oo,
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xhr: oo,
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html: oo,
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text: oo,
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scripts: oo,
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css: oo,
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robots: oo,
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magento: oo,
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certIssuer: oo,
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scriptSrc: om,
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cookies: mm,
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meta: mm,
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headers: mm,
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dns: mm,
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}
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try {
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const detections = technologies
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.map((technology) =>
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Object.keys(relations)
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.map(
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(type) =>
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items[type] && relations[type](technology, type, items[type])
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)
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.flat()
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)
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.flat()
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.filter((technology) => technology)
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benchmarkSummary()
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return detections
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} catch (error) {
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throw new Error(error.message || error.toString())
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}
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},
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/**
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* Extract technologies from data collected.
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* @param {object} data
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*/
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setTechnologies(data) {
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const transform = Wappalyzer.transformPatterns
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Wappalyzer.technologies = Object.keys(data).reduce((technologies, name) => {
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const {
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cats,
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url,
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xhr,
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dom,
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html,
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text,
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scripts,
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css,
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robots,
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magento,
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meta,
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headers,
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dns,
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certIssuer,
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cookies,
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scriptSrc,
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js,
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implies,
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excludes,
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requires,
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requiresCategory,
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icon,
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website,
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pricing,
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cpe,
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} = data[name]
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technologies.push({
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name,
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categories: cats || [],
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slug: Wappalyzer.slugify(name),
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url: transform(url),
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xhr: transform(xhr),
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headers: transform(headers),
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dns: transform(dns),
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cookies: transform(cookies),
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dom: transform(
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typeof dom === 'string' || Array.isArray(dom)
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? toArray(dom).reduce(
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(dom, selector) => ({
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...dom,
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[selector]: { exists: '' },
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}),
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{}
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)
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: dom,
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true,
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false
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),
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html: transform(html),
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text: transform(text),
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scripts: transform(scripts),
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css: transform(css),
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certIssuer: transform(certIssuer),
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robots: transform(robots),
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magento: transform(magento),
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meta: transform(meta),
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scriptSrc: transform(scriptSrc),
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js: transform(js, true),
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implies: transform(implies).map(({ value, confidence }) => ({
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name: value,
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confidence,
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})),
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excludes: transform(excludes).map(({ value }) => ({
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name: value,
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})),
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requires: transform(requires).map(({ value }) => ({
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name: value,
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})),
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requiresCategory: transform(requiresCategory).map(({ value }) => ({
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id: value,
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})),
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icon: icon || 'default.svg',
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website: website || null,
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pricing: pricing || [],
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cpe: cpe || null,
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})
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return technologies
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}, [])
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Wappalyzer.technologies
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.filter(({ requires }) => requires.length)
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.forEach((technology) =>
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technology.requires.forEach(({ name }) => {
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if (!Wappalyzer.getTechnology(name)) {
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throw new Error(`Required technology does not exist: ${name}`)
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}
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Wappalyzer.requires[name] = Wappalyzer.requires[name] || []
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Wappalyzer.requires[name].push(technology)
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})
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)
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Wappalyzer.requires = Object.keys(Wappalyzer.requires).map((name) => ({
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name,
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technologies: Wappalyzer.requires[name],
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}))
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Wappalyzer.technologies
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.filter(({ requiresCategory }) => requiresCategory.length)
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.forEach((technology) =>
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technology.requiresCategory.forEach(({ id }) => {
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Wappalyzer.categoryRequires[id] =
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Wappalyzer.categoryRequires[id] || []
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Wappalyzer.categoryRequires[id].push(technology)
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})
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)
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Wappalyzer.categoryRequires = Object.keys(Wappalyzer.categoryRequires).map(
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(id) => ({
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categoryId: parseInt(id, 10),
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technologies: Wappalyzer.categoryRequires[id],
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})
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)
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Wappalyzer.technologies = Wappalyzer.technologies.filter(
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({ requires, requiresCategory }) =>
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!requires.length && !requiresCategory.length
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)
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},
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/**
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* Assign categories for data.
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* @param {Object} data
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*/
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setCategories(data) {
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Wappalyzer.categories = Object.keys(data)
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.reduce((categories, id) => {
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const category = data[id]
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categories.push({
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id: parseInt(id, 10),
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slug: Wappalyzer.slugify(category.name),
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...category,
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})
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return categories
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}, [])
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.sort(({ priority: a }, { priority: b }) => (a > b ? -1 : 0))
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},
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/**
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* Transform patterns for internal use.
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* @param {string|array} patterns
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* @param {boolean} caseSensitive
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*/
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transformPatterns(patterns, caseSensitive = false, isRegex = true) {
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if (!patterns) {
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return []
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}
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if (
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typeof patterns === 'string' ||
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typeof patterns === 'number' ||
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Array.isArray(patterns)
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) {
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patterns = { main: patterns }
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}
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const parsed = Object.keys(patterns).reduce((parsed, key) => {
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parsed[caseSensitive ? key : key.toLowerCase()] = toArray(
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patterns[key]
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).map((pattern) => Wappalyzer.parsePattern(pattern, isRegex))
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return parsed
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}, {})
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return 'main' in parsed ? parsed.main : parsed
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},
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/**
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* Extract information from regex pattern.
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* @param {string|object} pattern
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*/
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parsePattern(pattern, isRegex = true) {
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if (typeof pattern === 'object') {
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return Object.keys(pattern).reduce(
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(parsed, key) => ({
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...parsed,
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[key]: Wappalyzer.parsePattern(pattern[key]),
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}),
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{}
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)
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} else {
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const { value, regex, confidence, version } = pattern
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.toString()
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.split('\\;')
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.reduce((attrs, attr, i) => {
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if (i) {
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// Key value pairs
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attr = attr.split(':')
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if (attr.length > 1) {
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attrs[attr.shift()] = attr.join(':')
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}
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} else {
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attrs.value = typeof pattern === 'number' ? pattern : attr
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attrs.regex = new RegExp(
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isRegex
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? attr
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// Escape slashes
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.replace(/\//g, '\\/')
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// Optimise quantifiers for long strings
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.replace(/\+/g, '{1,250}')
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.replace(/\*/g, '{0,250}')
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: '',
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'i'
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)
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}
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return attrs
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}, {})
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return {
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value,
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regex,
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confidence: parseInt(confidence || 100, 10),
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version: version || '',
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}
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}
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},
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|
|
/**
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* @todo describe
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* @param {Object} technology
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* @param {String} type
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* @param {String} value
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*/
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analyzeOneToOne(technology, type, value) {
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return technology[type].reduce((technologies, pattern) => {
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const startTime = Date.now()
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|
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const matches = pattern.regex.exec(value)
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|
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if (matches) {
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technologies.push({
|
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technology,
|
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pattern: {
|
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...pattern,
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type,
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value,
|
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match: matches[0],
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},
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version: Wappalyzer.resolveVersion(pattern, value),
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})
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}
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benchmark(Date.now() - startTime, pattern, value, technology)
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|
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return technologies
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}, [])
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},
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|
|
/**
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|
* @todo update
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* @param {Object} technology
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* @param {String} type
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* @param {Array} items
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*/
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analyzeOneToMany(technology, type, items = []) {
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return items.reduce((technologies, value) => {
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const patterns = technology[type] || []
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|
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patterns.forEach((pattern) => {
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const startTime = Date.now()
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|
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const matches = pattern.regex.exec(value)
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|
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if (matches) {
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technologies.push({
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technology,
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pattern: {
|
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...pattern,
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type,
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value,
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match: matches[0],
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},
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version: Wappalyzer.resolveVersion(pattern, value),
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})
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}
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benchmark(Date.now() - startTime, pattern, value, technology)
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})
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return technologies
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}, [])
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},
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|
/**
|
|
*
|
|
* @param {Object} technology
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* @param {string} types
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|
* @param {Array} items
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*/
|
|
analyzeManyToMany(technology, types, items = {}) {
|
|
const [type, ...subtypes] = types.split('.')
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|
|
|
return Object.keys(technology[type]).reduce((technologies, key) => {
|
|
const patterns = technology[type][key] || []
|
|
const values = items[key] || []
|
|
|
|
patterns.forEach((_pattern) => {
|
|
const pattern = (subtypes || []).reduce(
|
|
(pattern, subtype) => pattern[subtype] || {},
|
|
_pattern
|
|
)
|
|
|
|
values.forEach((value) => {
|
|
const startTime = Date.now()
|
|
|
|
const matches = pattern.regex.exec(value)
|
|
|
|
if (matches) {
|
|
technologies.push({
|
|
technology,
|
|
pattern: {
|
|
...pattern,
|
|
type,
|
|
value,
|
|
match: matches[0],
|
|
},
|
|
version: Wappalyzer.resolveVersion(pattern, value),
|
|
})
|
|
}
|
|
|
|
benchmark(Date.now() - startTime, pattern, value, technology)
|
|
})
|
|
})
|
|
|
|
return technologies
|
|
}, [])
|
|
},
|
|
}
|
|
|
|
if (typeof module !== 'undefined') {
|
|
module.exports = Wappalyzer
|
|
}
|