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

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

import { Router, json } from 'express';
import Debug from 'debug';
/**
 * Creates a router that exposes {@link @veramo/core#Agent} methods remotely.
 *
 * This can be used by {@link @veramo/remote-client#AgentRestClient | AgentRestClient} to instantiate the methods of
 * this agent on the client.
 *
 * @param options - Initialization option
 * @returns Expressjs router
 *
 * @public
 */
export const AgentRouter = (options) => {
    const router = Router();
    router.use(json({ limit: '10mb' }));
    for (const exposedMethod of options.exposedMethods) {
        Debug('veramo:remote-server:initializing')(exposedMethod);
        router.post('/' + exposedMethod, async (req, res, next) => {
            if (!req.agent)
                throw Error('Agent not available');
            try {
                const result = await req.agent.execute(exposedMethod, req.body);
                res.status(200).json(result);
            }
            catch (e) {
                if (e.name === 'ValidationError') {
                    res.status(400).json({
                        name: 'ValidationError',
                        message: e.message,
                        method: e.method,
                        path: e.path,
                        code: e.code,
                        description: e.description,
                    });
                }
                else {
                    res.status(500).json({ error: e.message });
                }
            }
        });
    }
    return router;
};
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