From 6a63aad4f400d0b204f5539301b054bd7579f6f5 Mon Sep 17 00:00:00 2001
From: Ramin Mazloomi <mazloomi.drsaina@gmail.com>
Date: Fri, 28 Feb 2025 18:34:47 +0330
Subject: [PATCH] Add support for custom telegram bot api server

---
 server/notification-providers/telegram.js |  2 +-
 src/components/notifications/Telegram.vue | 10 +++++++++-
 src/lang/en.json                          |  2 ++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/server/notification-providers/telegram.js b/server/notification-providers/telegram.js
index c5bbb1909..df62015f4 100644
--- a/server/notification-providers/telegram.js
+++ b/server/notification-providers/telegram.js
@@ -9,7 +9,7 @@ class Telegram extends NotificationProvider {
      */
     async send(notification, msg, monitorJSON = null, heartbeatJSON = null) {
         const okMsg = "Sent Successfully.";
-        const url = "https://api.telegram.org";
+        const url = notification.telegramServerUrl ?? "https://api.telegram.org";
 
         try {
             let params = {
diff --git a/src/components/notifications/Telegram.vue b/src/components/notifications/Telegram.vue
index a072c3ed3..3b32e3130 100644
--- a/src/components/notifications/Telegram.vue
+++ b/src/components/notifications/Telegram.vue
@@ -33,6 +33,10 @@
         <input id="message_thread_id" v-model="$parent.notification.telegramMessageThreadID" type="text" class="form-control">
         <p class="form-text">{{ $t("telegramMessageThreadIDDescription") }}</p>
 
+        <label for="server_url" class="form-label">{{ $t("telegramServerUrl") }}</label>
+        <input id="server_url" v-model="$parent.notification.telegramServerUrl" type="text" class="form-control">
+        <p class="form-text">{{ $t("telegramServerUrlDescription") }}</p>
+
         <div class="form-check form-switch">
             <input v-model="$parent.notification.telegramSendSilently" class="form-check-input" type="checkbox">
             <label class="form-check-label">{{ $t("telegramSendSilently") }}</label>
@@ -63,6 +67,9 @@ export default {
     components: {
         HiddenInput,
     },
+    mounted() {
+        this.$parent.notification.telegramServerUrl ||= "https://api.telegram.org";
+    },
     methods: {
         /**
          * Get the URL for telegram updates
@@ -70,6 +77,7 @@ export default {
          * @returns {string} formatted URL
          */
         telegramGetUpdatesURL(mode = "masked") {
+            let serverUrl = this.$parent.notification.telegramServerUrl;
             let token = `<${this.$t("YOUR BOT TOKEN HERE")}>`;
 
             if (this.$parent.notification.telegramBotToken) {
@@ -80,7 +88,7 @@ export default {
                 }
             }
 
-            return `https://api.telegram.org/bot${token}/getUpdates`;
+            return `${serverUrl}/bot${token}/getUpdates`;
         },
 
         /**
diff --git a/src/lang/en.json b/src/lang/en.json
index e215f1031..fd5edaa7a 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -423,6 +423,8 @@
     "telegramProtectContentDescription": "If enabled, the bot messages in Telegram will be protected from forwarding and saving.",
     "supportTelegramChatID": "Support Direct Chat / Group / Channel's Chat ID",
     "wayToGetTelegramChatID": "You can get your chat ID by sending a message to the bot and going to this URL to view the chat_id:",
+    "telegramServerUrl": "(Optional) Server Url",
+    "telegramServerUrlDescription": "Telegram custom bot api server url. Defaults to https://api.telegram.org if empty.",
     "YOUR BOT TOKEN HERE": "YOUR BOT TOKEN HERE",
     "chatIDNotFound": "Chat ID is not found; please send a message to this bot first",
     "disableCloudflaredNoAuthMsg": "You are in No Auth mode, a password is not required.",