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ID Validation + Full Stub Types

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This commit is contained in:
Adhiraj Singh
2020-07-07 13:05:19 +05:30
parent 84580c8511
commit ed27472cc9
6 changed files with 45 additions and 17 deletions
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18
src/WAClient/Utils.ts
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@@ -1,4 +1,4 @@
import { MessageType, HKDFInfoKeys, MessageOptions, MessageStubTypes } from './Constants'
import { MessageType, HKDFInfoKeys, MessageOptions, WAMessageType } from './Constants'
import sharp from 'sharp'
import * as fs from 'fs'
import fetch from 'node-fetch'
@@ -8,18 +8,28 @@ import { proto } from '../../WAMessage/WAMessage'
import { randomBytes } from 'crypto'
import { exec } from 'child_process'
export function validateJIDForSending (jid: string) {
const regexp = /^[0-9]{1,20}(-[0-9]{1,20}@g.us|@s.whatsapp.net)$/
if (!regexp.test (jid)) {
throw new Error (
`Invalid WhatsApp id: ${jid}
1. Please ensure you suffix '@s.whatsapp.net' for individual numbers & '@g.us' for groups
2. Please do not put any alphabets or special characters like a '+' in the number. A '-' symbol in groups is fine`
)
}
}
/** Type of notification */
export function getNotificationType(message: WAMessage) {
export function getNotificationType(message: WAMessage): [string, string] {
if (message.message) {
return ['message', Object.keys(message.message)[0]]
} else if (message.messageStubType) {
return [MessageStubTypes[message.messageStubType], null]
return [WAMessageType[message.messageStubType], null]
} else {
return ['unknown', null]
}
}
/** generates all the keys required to encrypt/decrypt & sign a media message */
export function getMediaKeys(buffer, mediaType: MessageType) {
// expand using HKDF to 112 bytes, also pass in the relevant app info
const expandedMediaKey = hkdf(buffer, 112, HKDFInfoKeys[mediaType])