uptime-kuma/server/notification-providers/dingding.js

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const NotificationProvider = require("./notification-provider");
const { DOWN, UP } = require("../../src/util");
const { default: axios } = require("axios");
const Crypto = require("crypto");
class DingDing extends NotificationProvider {
name = "DingDing";
/**
* @inheritdoc
*/
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async send(notification, msg, monitorJSON = null, heartbeatJSON = null) {
let okMsg = "Sent Successfully.";
try {
if (heartbeatJSON != null) {
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let params = {
msgtype: "markdown",
markdown: {
title: `[${this.statusToString(heartbeatJSON["status"])}] ${monitorJSON["name"]}`,
text: `## [${this.statusToString(heartbeatJSON["status"])}] ${monitorJSON["name"]} \n> ${heartbeatJSON["msg"]}\n> Time (${heartbeatJSON["timezone"]}): ${heartbeatJSON["localDateTime"]}`,
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}
};
if (this.sendToDingDing(notification, params)) {
return okMsg;
}
} else {
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let params = {
msgtype: "text",
text: {
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content: msg
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}
};
if (this.sendToDingDing(notification, params)) {
return okMsg;
}
}
} catch (error) {
this.throwGeneralAxiosError(error);
}
}
/**
* Send message to DingDing
* @param {BeanModel} notification Notification to send
* @param {object} params Parameters of message
* @returns {boolean} True if successful else false
*/
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async sendToDingDing(notification, params) {
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let timestamp = Date.now();
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let config = {
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method: "POST",
headers: {
"Content-Type": "application/json",
},
url: `${notification.webHookUrl}&timestamp=${timestamp}&sign=${encodeURIComponent(this.sign(timestamp, notification.secretKey))}`,
data: JSON.stringify(params),
};
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let result = await axios(config);
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if (result.data.errmsg === "ok") {
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return true;
}
return false;
}
/**
* DingDing sign
* @param {Date} timestamp Timestamp of message
* @param {string} secretKey Secret key to sign data with
* @returns {string} Base64 encoded signature
*/
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sign(timestamp, secretKey) {
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return Crypto
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.createHmac("sha256", Buffer.from(secretKey, "utf8"))
.update(Buffer.from(`${timestamp}\n${secretKey}`, "utf8"))
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.digest("base64");
}
/**
* Convert status constant to string
* @param {const} status The status constant
* @returns {string} Status
*/
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statusToString(status) {
// TODO: Move to notification-provider.js to avoid repetition in classes
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switch (status) {
case DOWN:
return "DOWN";
case UP:
return "UP";
default:
return status;
}
}
}
module.exports = DingDing;