128 lines
3.3 KiB
TypeScript
128 lines
3.3 KiB
TypeScript
export function isWebsocketUrl(url: string): boolean {
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return /^wss?:\/\/.+$/.test(url)
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}
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// copy from nostr-tools/utils
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export function normalizeUrl(url: string): string {
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try {
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if (url.indexOf('://') === -1) {
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if (url.startsWith('localhost:') || url.startsWith('localhost/')) {
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url = 'ws://' + url
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} else {
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url = 'wss://' + url
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}
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}
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const p = new URL(url)
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p.pathname = p.pathname.replace(/\/+/g, '/')
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if (p.pathname.endsWith('/')) p.pathname = p.pathname.slice(0, -1)
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if (p.protocol === 'https:') {
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p.protocol = 'wss:'
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} else if (p.protocol === 'http:') {
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p.protocol = 'ws:'
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}
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if ((p.port === '80' && p.protocol === 'ws:') || (p.port === '443' && p.protocol === 'wss:')) {
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p.port = ''
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}
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p.searchParams.sort()
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p.hash = ''
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return p.toString()
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} catch {
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console.error('Invalid URL:', url)
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return ''
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}
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}
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export function normalizeHttpUrl(url: string): string {
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try {
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if (url.indexOf('://') === -1) url = 'https://' + url
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const p = new URL(url)
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p.pathname = p.pathname.replace(/\/+/g, '/')
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if (p.pathname.endsWith('/')) p.pathname = p.pathname.slice(0, -1)
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if (p.protocol === 'wss:') {
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p.protocol = 'https:'
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} else if (p.protocol === 'ws:') {
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p.protocol = 'http:'
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}
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if (
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(p.port === '80' && p.protocol === 'http:') ||
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(p.port === '443' && p.protocol === 'https:')
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) {
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p.port = ''
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}
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p.searchParams.sort()
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p.hash = ''
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return p.toString()
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} catch {
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console.error('Invalid URL:', url)
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return ''
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}
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}
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export function simplifyUrl(url: string): string {
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return url
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.replace('wss://', '')
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.replace('ws://', '')
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.replace('https://', '')
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.replace('http://', '')
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.replace(/\/$/, '')
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}
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export function isLocalNetworkUrl(urlString: string): boolean {
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try {
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const url = new URL(urlString)
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const hostname = url.hostname
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// Check if it's localhost
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if (hostname === 'localhost' || hostname === '::1') {
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return true
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}
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// Check if it's an IPv4 local network address
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const ipv4Match = hostname.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)
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if (ipv4Match) {
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const [, a, b, c, d] = ipv4Match.map(Number)
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return (
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a === 10 ||
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(a === 172 && b >= 16 && b <= 31) ||
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(a === 192 && b === 168) ||
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(a === 127 && b === 0 && c === 0 && d === 1)
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)
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}
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// Check if it's an IPv6 address
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if (hostname.includes(':')) {
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if (hostname === '::1') {
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return true // IPv6 loopback address
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}
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if (hostname.startsWith('fe80:')) {
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return true // Link-local address
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}
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if (hostname.startsWith('fc') || hostname.startsWith('fd')) {
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return true // Unique local address (ULA)
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}
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}
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return false
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} catch {
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return false // Return false for invalid URLs
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}
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}
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export function isImage(url: string) {
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try {
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const imageExtensions = ['.jpg', '.jpeg', '.png', '.gif', '.webp', '.heic', '.svg']
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return imageExtensions.some((ext) => new URL(url).pathname.toLowerCase().endsWith(ext))
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} catch {
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return false
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}
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}
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export function isVideo(url: string) {
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try {
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const videoExtensions = ['.mp4', '.webm', '.ogg', '.mov']
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return videoExtensions.some((ext) => new URL(url).pathname.toLowerCase().endsWith(ext))
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} catch {
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return false
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}
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}
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