62 lines
1.6 KiB
TypeScript
62 lines
1.6 KiB
TypeScript
import { UserSettings } from 'models/settings'
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import { QueryParamKeys } from 'models/shell'
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export enum PostMessageEventName {
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CONFIG = 'config',
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CONFIG_REQUESTED = 'configRequested',
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}
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export enum ChatEmbedAttributes {
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COLOR_MODE = 'color-mode',
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PLAY_MESSAGE_SOUND = 'play-message-sound',
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ROOM_NAME = 'room',
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ROOT_URL = 'root-url',
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USER_ID = 'user-id',
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USER_NAME = 'user-name',
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}
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export interface PostMessageEvent extends MessageEvent {
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data: {
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name: PostMessageEventName
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payload: Record<string, any>
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}
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}
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export interface ConfigMessageEvent extends PostMessageEvent {
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data: {
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name: PostMessageEventName.CONFIG
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payload: Partial<UserSettings>
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}
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}
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export const isPostMessageEvent = (
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event: MessageEvent
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): event is PostMessageEvent => {
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const { data } = event
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if (typeof data !== 'object' || data === null) return false
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if (!('name' in data && typeof data.name === 'string')) return false
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if (!('payload' in data && typeof data.payload === 'object')) return false
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return true
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}
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export const isConfigMessageEvent = (
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event: MessageEvent
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): event is ConfigMessageEvent => {
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const queryParams = new URLSearchParams(window.location.search)
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const parentDomain = queryParams.get(QueryParamKeys.PARENT_DOMAIN)
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if (parentDomain === null) return false
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const { origin: parentFrameOrigin } = new URL(
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decodeURIComponent(parentDomain)
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)
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if (event.origin !== parentFrameOrigin) return false
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if (!isPostMessageEvent(event)) return false
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if (event.data.name !== PostMessageEventName.CONFIG) return false
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return true
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}
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