Add basic webhook option to workerConfig.notification as alternative to apprise

types/config.ts

@@ -54,7 +54,15 @@ export type Notification = {
   recipientUrl?: string
   timeZone?: string
   gracePeriod?: number
-  skipNotificationIds?: string[]
+  skipNotificationIds?: string[],
+  webhook?: Webhook
+}
+
+export type Webhook = {
+  url: string,
+  method?: 'POST' | 'GET',
+  headers?: { [key: string]: string | number },
+  timeout?: number
 }
 
 export type Callbacks<TEnv = Env> = {

worker/src/index.ts

@@ -1,8 +1,8 @@
-import { workerConfig, maintenances } from '../../uptime.config'
-import { formatStatusChangeNotification, getWorkerLocation, notifyWithApprise } from './util'
-import { MonitorState, MonitorTarget } from '../../types/config'
-import { getStatus } from './monitor'
 import { DurableObject } from 'cloudflare:workers'
+import { MonitorState, MonitorTarget } from '../../types/config'
+import { maintenances, workerConfig } from '../../uptime.config'
+import { getStatus } from './monitor'
+import { formatStatusChangeNotification, getWorkerLocation, notifyWithApprise } from './util'
 
 export interface Env {
   UPTIMEFLARE_STATE: KVNamespace
@@ -46,6 +46,31 @@ const Worker = {
         return
       }
 
+      if(workerConfig.notification?.webhook?.url) {
+        const controller = new AbortController()
+        const timeoutId = setTimeout(() => controller.abort(), workerConfig.notification.webhook.timeout ?? 30000) // 30 second default timeout
+        const headers = { 'Content-Type': 'application/json' }
+        if(workerConfig.notification.webhook.headers) {
+          Object.assign(headers, workerConfig.notification.webhook.headers)
+        }
+        try {
+          await fetch(workerConfig.notification.webhook.url, {
+            method: workerConfig.notification.webhook.method ?? 'POST',
+            headers,
+            body: JSON.stringify({
+              event: 'status_change',
+              monitor,
+              isUp,
+              timeIncidentStart,
+              timeNow,
+              reason,
+            }),
+            signal: controller.signal,
+          })
+        } finally {
+          clearTimeout(timeoutId)
+        }
+      } else {
         if (workerConfig.notification?.appriseApiServer && workerConfig.notification?.recipientUrl) {
           const notification = formatStatusChangeNotification(
             monitor,
@@ -67,6 +92,7 @@ const Worker = {
           )
         }
       }
+    }
 
     // Read state, set init state if it doesn't exist
     let state =