qortal-ui/crypto/api/deps/Base64Message.js

import {
	uint8ArrayToBase64,
	base64ToUint8Array,
	uint8ArrayToObject,
	decryptSingle
} from '../../../plugins/plugins/core/components/GroupEncryption.js'
import {
	extensionToPointer,
	encodedToChar,
	embedToString,
	parseQortalLink
} from '../../../plugins/plugins/core/components/qdn-action-constants.js'

const Base64Message = {}

Base64Message.decode = function (string, keys, ref) {
	const binaryString = atob(string)
	const binaryLength = binaryString.length
	const bytes = new Uint8Array(binaryLength)

	for (let i = 0; i < binaryLength; i++) {
		bytes[i] = binaryString.charCodeAt(i)
	}

	const decoder = new TextDecoder()
	const decodedString = decoder.decode(bytes)

	if (decodedString.includes("messageText") || decodedString === "4001") {
		if (decodedString === "4001") {
			const firstString = 'First group key created.'
			const hubString = '{"messageText":{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"' + firstString + '"}]}]},"images":[""],"repliedTo":"","version":3}'
			return hubString
		} else {
			return decodedString
		}
	} else {
		let repliedToStr = ''
		let addedFileStr = ''
		let messageStr = ''
		let hubString = ''
		let messageRep = ''
		let messageUseEmbed = {}

		const res = decryptSingle(string, keys, false)

		if (res === 'noKey' || res === 'decryptionFailed') {
			return '{"messageText":{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"This message could not be decrypted"}]}]}' + addedFileStr + ',"repliedTo":"","version":3,"isFromHub":true}'
		}

		const decryptToUnit8Array = base64ToUint8Array(res)
		const responseData = uint8ArrayToObject(decryptToUnit8Array)

		if (responseData.type === "notification") {
			const messageStrRaw = responseData.data.message
			messageStr = messageStrRaw.trim()
		}

		if (ref !== "noref") {
			if (responseData.type === "reaction") {
				repliedToStr = ref
				messageStr = responseData.content
			}
		}

		if (responseData.hasOwnProperty('message') && typeof responseData['message'] === 'string' && responseData['message'].length) {
			if (responseData.message.includes('qortal://use-embed/')) {
				const useEmbed1 = extensionToPointer(responseData.message)
				const useEmbed2 = /<newpointer>(.*?)<\/newpointer>/g.exec(useEmbed1)
				const useEmbed3 = encodedToChar(useEmbed2[1])

				messageUseEmbed = parseQortalLink(useEmbed3)
				addedFileStr = embedToString(messageUseEmbed)

				const useEmbed4 = responseData.message.split(useEmbed2[1]).join('')

				if (useEmbed4 === "<p></p>") {
					messageRep = useEmbed4.split('<p></p>').join('<p>Qortal-Hub embed link</p>')
				} else {
					messageRep = useEmbed4
				}
			} else {
				messageRep = responseData.message
				addedFileStr = ',"images":[""]'
			}

			const messageRep1 = messageRep.split('"').join('<upvote>')
			const messageRep2 = messageRep1.split('</p><p></p><p></p><p></p><p>').join('"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"text","text":"')
			const messageRep3 = messageRep2.split('</p><p></p><p></p><p>').join('"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"text","text":"')
			const messageRep4 = messageRep3.split('</p><p></p><p>').join('"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"text","text":"')
			const messageRep5 = messageRep4.replace('</p><p>', '')
			const messageRep6 = messageRep5.replace('<p></p>', '')
			const messageRep7 = messageRep6.replace('<p>', '')
			const messageRep8 = messageRep7.replace('<br></p>', '')
			const messageRep9 = messageRep8.replace('</p>', '')
			const messageRep10 = messageRep9.trim()
			const messageRep11 = messageRep10.split('<br><br><br><br>').join('"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"text","text":"')
			const messageRep12 = messageRep11.split('<br><br><br>').join('"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"text","text":"')
			const messageRep13 = messageRep12.split('<br><br>').join('"},{"type":"hardBreak"},{"type":"hardBreak"},{"type":"text","text":"')
			const messageRep14 = messageRep13.split('<br>').join('"},{"type":"hardBreak"},{"type":"text","text":"')
			messageStr = messageRep14
		}

		if (responseData.repliedTo) {
			repliedToStr = responseData.repliedTo
		}

		if (responseData.type === "edit") {
			hubString = '{"messageText":{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"' + messageStr + '"}]}]}' + addedFileStr + ',"repliedTo":"' + repliedToStr + '","version":3,"isEdited":true,"isFromHub":true}'
		} else if (responseData.type === "reaction") {
			hubString = '{"messageText":{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"' + messageStr + '"}]}]}' + addedFileStr + ',"repliedTo":"' + repliedToStr + '","version":3,"isReaction":true,"isFromHub":true}'
		} else {
			hubString = '{"messageText":{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"' + messageStr + '"}]}]}' + addedFileStr + ',"repliedTo":"' + repliedToStr + '","version":3,"isFromHub":true}'
		}

		const preparedString = hubString.split('<upvote>').join('\\"')
		const finalString = preparedString.replace(/<\/?[^>]+(>|$)/g, '')

		return finalString
	}
}

export default Base64Message