我是SendGrid的新手,并尝试使用Firebase Cloud函数为我的后端从React.js应用发送电子邮件。当有人要发送消息时,我将文档写入Firestore。然后,我收听该集合,并在创建文档时从云功能发送电子邮件。
我正在尝试使其正常运行,但是不断在我的云函数和此错误消息中记录错误:
Error: Service Unavailable
at axios.then.catch.error (node_modules/@sendgrid/client/src/classes/client.js:133:29)
at <anonymous>
at process._tickDomainCallback (internal/process/next_tick.js:229:7)
编辑:我已经在catch语句中捕获了该错误,并获得了有关它的更多详细信息。这是完整的日志:
{ Error: Forbidden
at axios.then.catch.error (node_modules/@sendgrid/client/src/classes/client.js:133:29)
at <anonymous>
at process._tickDomainCallback (internal/process/next_tick.js:229:7)
code: 403,
message: 'Forbidden',
response:
{ headers:
{ server: 'nginx',
date: 'Thu, 11 Jun 2020 17:03:27 GMT',
'content-type': 'application/json',
'content-length': '281',
connection: 'close',
'access-control-allow-origin': 'https://sendgrid.api-docs.io',
'access-control-allow-methods': 'POST',
'access-control-allow-headers': 'Authorization, Content-Type, On-behalf-of, x-sg-elas-acl',
'access-control-max-age': '600',
'x-no-cors-reason': 'https://sendgrid.com/docs/Classroom/Basics/API/cors.html' },
body: { errors: [Array] } } }
编辑2:因此,我按照错误https://sendgrid.com/docs/for-developers/sending-email/cors/
中的链接进行操作,如果我没做错,它表明它阻止了我,因为我试图对他们的API进行基于浏览器的调用?但是事实并非如此。我正在通过云功能拨打电话。
我不知道我做错了什么,还是我很不幸,在SendGrid遇到某些问题(Service Unavailable
)时第一次尝试实现它。
这是我定义sgMail的方式:
import * as sgMail from "@sendgrid/mail";
const SENDGRID_API_KEY = functions.config().sendgridfull.key;
sgMail.setApiKey(SENDGRID_API_KEY);
这是我的云函数,我已经检查了所有变量,它们都存在。
exports.firestoreEmail = functions.firestore
.document("email_messages/{messageID}")
.onCreate((snap, context) => {
const msgData = snap.data();
if (!msgData) return;
return db
.collection("users")
.doc(msgData.recipient_ID)
.get()
.then((doc) => {
const recipientData = doc.data();
if (!recipientData) return;
const promises: any = [];
const msg = {
to: recipientData.email,
from: msgData.sender_email,
templateId: "d-myRandomTemplateId",
dynamic_template_data: {
sender_name: "Some One",
},
};
const msg2 = {
to: msgData.sender_email,
from: recipientData.email,
templateId: "d-myRandomTemplateId",
dynamic_template_data: {
sender_name: "Some One",
},
};
promises.push(sgMail.send(msg));
promises.push(sgMail.send(msg2));
return Promise.all(promises);
});
});
请检查此github issue,其中指定了如何使用sgMail.send方法,这将导致Cloud Function返回服务不可用错误。
send和sendMultiple方法返回一个Promise,因此您可以处理成功并捕获错误:
sgMail
.send(msg)
.then(() => {
// Celebrate
})
.catch(error => {
// Log friendly error
console.error(error);
if (error.response) {
// Extract error msg
const {message, code, response} = error;
// Extract response msg
const {headers, body} = response;
console.error(body);
}
});
或者,您可以将回调函数作为最后一个参数传递:
sgMail
.send(msg, (error, result) => {
if (error) {
// Do something with the error
}
else {
// Celebrate
}
});
请让我知道它是否有效。