48 lines
1.2 KiB
TypeScript
48 lines
1.2 KiB
TypeScript
import { MtArgumentError } from '@mtcute/core'
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export function parseIpFromBytes(data: Uint8Array): string {
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if (data.length === 4) {
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return `${data[0]}.${data[1]}.${data[2]}.${data[3]}`
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}
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if (data.length === 16) {
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let res = ''
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for (let i = 0; i < 16; i += 2) {
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res += data[i].toString(16).padStart(2, '0')
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res += data[i + 1].toString(16).padStart(2, '0')
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if (i < 14) res += ':'
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}
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return res
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}
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throw new MtArgumentError('Invalid IP address length')
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}
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export function serializeIpv4ToBytes(ip: string, buf: Uint8Array) {
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const parts = ip.split('.')
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if (parts.length !== 4) {
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throw new MtArgumentError('Invalid IPv4 address')
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}
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buf[0] = Number(parts[0])
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buf[1] = Number(parts[1])
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buf[2] = Number(parts[2])
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buf[3] = Number(parts[3])
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}
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export function serializeIpv6ToBytes(ip: string, buf: Uint8Array) {
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const parts = ip.split(':')
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if (parts.length !== 8) {
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throw new MtArgumentError('Invalid IPv6 address')
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}
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for (let i = 0; i < 8; i++) {
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const val = parseInt(parts[i], 16)
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buf[i * 2] = val >> 8
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buf[i * 2 + 1] = val & 0xff
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}
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}
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