98 lines
4.8 KiB
JavaScript
98 lines
4.8 KiB
JavaScript
export function ensureProtocol (value) {
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if (!value) return value
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value = value.trim()
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if (!/^([a-z0-9]+:\/\/|mailto:)/.test(value)) {
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value = 'http://' + value
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}
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return value
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}
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export function isExternal (url) {
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return !url.startsWith(process.env.NEXT_PUBLIC_URL + '/') && !url.startsWith('/')
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}
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export function removeTracking (value) {
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if (!value) return value
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const exprs = [
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// twitter URLs
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/^(?<url>https?:\/\/(?:twitter|x)\.com\/(?:#!\/)?(?<user>\w+)\/status(?:es)?\/(?<id>\d+))/
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]
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for (const expr of exprs) {
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value = expr.exec(value)?.groups.url ?? value
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}
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return value
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}
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/**
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* parse links like https://stacker.news/items/123456 as #123456
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*/
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export function parseInternalLinks (href) {
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const url = new URL(href)
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const internalURL = process.env.NEXT_PUBLIC_URL
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const { pathname, searchParams } = url
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// ignore empty parts which exist due to pathname starting with '/'
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const emptyPart = part => !!part
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const parts = pathname.split('/').filter(emptyPart)
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if (parts[0] === 'items' && /^[0-9]+$/.test(parts[1]) && url.origin === internalURL) {
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const itemId = parts[1]
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// check for valid item page due to referral links like /items/123456/r/ekzyis
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const itemPages = ['edit', 'ots', 'related']
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const itemPage = itemPages.includes(parts[2]) ? parts[2] : null
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if (itemPage) {
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// parse https://stacker.news/items/1/related?commentId=2
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// as #1/related
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// and not #2
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// since commentId will be ignored anyway
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const linkText = `#${itemId}/${itemPage}`
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return linkText
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}
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const commentId = searchParams.get('commentId')
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const linkText = `#${commentId || itemId}`
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return linkText
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}
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}
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export function stripTrailingSlash (uri) {
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return uri.endsWith('/') ? uri.slice(0, -1) : uri
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}
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export function parseNwcUrl (walletConnectUrl) {
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if (!walletConnectUrl) return {}
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walletConnectUrl = walletConnectUrl
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.replace('nostrwalletconnect://', 'http://')
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.replace('nostr+walletconnect://', 'http://') // makes it possible to parse with URL in the different environments (browser/node/...)
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// XXX There is a bug in parsing since we use the URL constructor for parsing:
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// A wallet pubkey matching /^[0-9a-fA-F]{64}$/ might not be a valid hostname.
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// Example: 11111111111 (10 1's) is a valid hostname (gets parsed as IPv4) but 111111111111 (11 1's) is not.
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// See https://stackoverflow.com/questions/56804936/how-does-only-numbers-in-url-resolve-to-a-domain
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// However, this seems to only get triggered if a wallet pubkey only contains digits so this is pretty improbable.
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const url = new URL(walletConnectUrl)
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const params = {}
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params.walletPubkey = url.host
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const secret = url.searchParams.get('secret')
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const relayUrl = url.searchParams.get('relay')
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if (secret) {
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params.secret = secret
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}
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if (relayUrl) {
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params.relayUrl = relayUrl
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}
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return params
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}
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// eslint-disable-next-line
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export const URL_REGEXP = /^((https?|ftp):\/\/)?(www.)?(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i
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// eslint-disable-next-line
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export const WS_REGEXP = /^(wss?:\/\/)([0-9]{1,3}(?:\.[0-9]{1,3}){3}|(?=[^\/]{1,254}(?![^\/]))(?:(?=[a-zA-Z0-9-]{1,63}\.)(?:xn--+)?[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*\.)+[a-zA-Z]{2,63})(:([0-9]{1,5}))?(\/[^\s`@#$^&=.?"{}\\]+\/?)*([^\s`@#$^&=?"{}\/\\]+)?(\?[^\s`#$^"{}\\]+)*$/
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export const IMGPROXY_URL_REGEXP = new RegExp(`^${process.env.NEXT_PUBLIC_IMGPROXY_URL}.*$`)
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export const MEDIA_DOMAIN_REGEXP = new RegExp(`^https?://${process.env.NEXT_PUBLIC_MEDIA_DOMAIN}/.*$`)
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// this regex is not a bullet proof way of checking if a url points to an image. to be sure, fetch the url and check the mimetype
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export const IMG_URL_REGEXP = /^(https?:\/\/.*\.(?:png|jpg|jpeg|gif))$/
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export const TOR_REGEXP = /\.onion(:[0-9]+)?$/
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