@sinch/mcp/dist/src/tools/email/send-email.js

Sinch MCP server

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sendEmailHandler = exports.registerSendEmail = void 0;
const undici_1 = require("undici");
const zod_1 = require("zod");
const utils_1 = require("../../utils");
const types_1 = require("../../types");
const mailgun_service_helper_1 = require("./utils/mailgun-service-helper");
const mailgun_tools_helper_1 = require("./utils/mailgun-tools-helper");
const TOOL_KEY = 'sendEmail';
const TOOL_NAME = (0, mailgun_tools_helper_1.getToolName)(TOOL_KEY);
const registerSendEmail = (server, tags) => {
    if (!(0, mailgun_tools_helper_1.shouldRegisterTool)(TOOL_KEY, tags))
        return;
    server.tool(TOOL_NAME, 'Send an email to a recipient with a subject and body.', {
        recipient: zod_1.z.string().describe('The recipient of the email.'),
        subject: zod_1.z.string().describe('The subject of the email.'),
        sender: zod_1.z.string().optional().describe('The sender of the email.'),
        body: zod_1.z.string().optional().describe('The body of the email. Can be text or HTML'),
        template: zod_1.z.string().optional().describe('The name of a template to use to render the email body. If provided, the body will be ignored.'),
        templateVariables: zod_1.z.record(zod_1.z.string()).optional().describe('Variables to use in the template.'),
        domain: zod_1.z.string().optional().describe('The domain to use for sending the email. It would override the domain provided in the environment variables.')
    }, exports.sendEmailHandler);
};
exports.registerSendEmail = registerSendEmail;
const sendEmailHandler = async ({ recipient, subject, sender, body, template, templateVariables, domain }) => {
    const maybeCredentials = (0, mailgun_service_helper_1.getMailgunCredentials)(domain);
    if ((0, utils_1.isPromptResponse)(maybeCredentials)) {
        return maybeCredentials.promptResponse;
    }
    const credentials = maybeCredentials;
    if (!sender) {
        sender = process.env.MAILGUN_SENDER_ADDRESS;
        if (!sender) {
            return new types_1.PromptResponse('The "sender" is not provided and MAILGUN_SENDER_ADDRESS is no set in the environment variables.').promptResponse;
        }
    }
    const form = new undici_1.FormData();
    form.set('from', sender);
    form.set('to', recipient);
    form.set('subject', subject);
    if (template) {
        form.set('template', template);
        if (templateVariables) {
            form.set('t:variables', JSON.stringify(templateVariables));
        }
    }
    else if (body) {
        form.set('html', body);
    }
    else {
        return new types_1.PromptResponse('The "body" is not provided and no template name is specified.').promptResponse;
    }
    const resp = await (0, undici_1.fetch)(`https://api.mailgun.net/v3/${credentials.domain}/messages`, {
        method: 'POST',
        headers: {
            Authorization: 'Basic ' + Buffer.from(`api:${credentials.apiKey}`).toString('base64'),
            'User-Agent': (0, utils_1.formatUserAgent)(TOOL_NAME, (0, mailgun_tools_helper_1.sha256)(credentials.apiKey)),
        },
        body: form
    });
    if (resp.status !== 200) {
        return new types_1.PromptResponse(`An error occurred when trying to send the email: ${JSON.stringify(resp)} The status code is ${resp.status}: ${resp.statusText}.`).promptResponse;
    }
    const data = await resp.json();
    return new types_1.PromptResponse(`Email sent to ${recipient} with subject "${subject}"! The message ID is ${data.id}`).promptResponse;
};
exports.sendEmailHandler = sendEmailHandler;
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