@veramo/remote-server/build/messaging-router.js

Express.js module that can expose some agent methods and messaging endpoints

import { Router, text } from 'express';
/**
 * Creates a router for handling incoming messages.
 *
 * Messages posted to this router get sent to the `handleMessage` method of the associated agent where this is used.
 *
 * @param options - Initialization option
 * @returns Expressjs router
 *
 * @public
 */
export const MessagingRouter = (options) => {
    const router = Router();
    router.use(text({ type: '*/*', limit: '10mb' }));
    router.post('/', async (req, res) => {
        try {
            const message = await req.agent?.handleMessage({
                raw: req.body,
                metaData: [options.metaData],
                save: typeof options.save === 'undefined' ? true : options.save,
            });
            const returnRouteResponse = message?.metaData?.find((v) => v.type === 'ReturnRouteResponse');
            if (returnRouteResponse && returnRouteResponse.value) {
                const returnMessage = JSON.parse(returnRouteResponse.value);
                res.contentType(returnMessage.contentType).json(returnMessage.message);
                req.agent?.emit('DIDCommV2Message-sent', returnMessage.id);
            }
            else if (message) {
                res.json({ id: message.id });
            }
        }
        catch (e) {
            console.error(e);
            res.status(400).send(e.message);
        }
    });
    return router;
};
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