1 files changed, 66 insertions, 0 deletions
diff --git a/server/notification-providers/webhook.js b/server/notification-providers/webhook.js
new file mode 100644
index 0000000..986986d
--- /dev/null
+++ b/server/notification-providers/webhook.js
@@ -0,0 +1,66 @@
+const NotificationProvider = require("./notification-provider");
+const axios = require("axios");
+const FormData = require("form-data");
+const { Liquid } = require("liquidjs");
+
+class Webhook extends NotificationProvider {
+    name = "webhook";
+
+    /**
+     * @inheritdoc
+     */
+    async send(notification, msg, monitorJSON = null, heartbeatJSON = null) {
+        const okMsg = "Sent Successfully.";
+
+        try {
+            let data = {
+                heartbeat: heartbeatJSON,
+                monitor: monitorJSON,
+                msg,
+            };
+            let config = {
+                headers: {}
+            };
+
+            if (notification.webhookContentType === "form-data") {
+                const formData = new FormData();
+                formData.append("data", JSON.stringify(data));
+                config.headers = formData.getHeaders();
+                data = formData;
+            } else if (notification.webhookContentType === "custom") {
+                // Initialize LiquidJS and parse the custom Body Template
+                const engine = new Liquid();
+                const tpl = engine.parse(notification.webhookCustomBody);
+
+                // Insert templated values into Body
+                data = await engine.render(tpl,
+                    {
+                        msg,
+                        heartbeatJSON,
+                        monitorJSON
+                    });
+            }
+
+            if (notification.webhookAdditionalHeaders) {
+                try {
+                    config.headers = {
+                        ...config.headers,
+                        ...JSON.parse(notification.webhookAdditionalHeaders)
+                    };
+                } catch (err) {
+                    throw "Additional Headers is not a valid JSON";
+                }
+            }
+
+            await axios.post(notification.webhookURL, data, config);
+            return okMsg;
+
+        } catch (error) {
+            this.throwGeneralAxiosError(error);
+        }
+
+    }
+
+}
+
+module.exports = Webhook;