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12 changes: 10 additions & 2 deletions src/api/controllers/sendMessage.controller.ts
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,14 @@ import { WAMonitoringService } from '@api/services/monitor.service';
import { BadRequestException } from '@exceptions';
import { isBase64, isURL } from 'class-validator';

function isEmoji(str: string) {
if (str === '') return true;

const emojiRegex =
/^[\u{1F300}-\u{1F9FF}\u{2600}-\u{26FF}\u{2700}-\u{27BF}\u{1F000}-\u{1F02F}\u{1F0A0}-\u{1F0FF}\u{1F100}-\u{1F64F}\u{1F680}-\u{1F6FF}]$/u;
return emojiRegex.test(str);
}

export class SendMessageController {
constructor(private readonly waMonitor: WAMonitoringService) {}

Expand Down Expand Up @@ -81,8 +89,8 @@ export class SendMessageController {
}

public async sendReaction({ instanceName }: InstanceDto, data: SendReactionDto) {
if (!data.reaction.match(/[^()\w\sà-ú"-+]+/)) {
throw new BadRequestException('"reaction" must be an emoji');
if (!isEmoji(data.reaction)) {
throw new BadRequestException('Reaction must be a single emoji or empty string');
}
return await this.waMonitor.waInstances[instanceName].reactionMessage(data);
}
Expand Down