From 4561356ecdb1b77ecf977815b83c67ef0187ac6b Mon Sep 17 00:00:00 2001
From: sheben404 <sheben404@gmail.com>
Date: Sat, 28 Mar 2026 06:33:35 -0700
Subject: [PATCH] feat: add proxy URL setting for bot connection

node-telegram-bot-api uses Node.js native HTTP which bypasses
Electron's session proxy. This adds a proxy URL field in Advanced
Settings and passes it to the bot constructor's request options.
---
 src/settings/Settings.ts                |  2 ++
 src/settings/modals/AdvancedSettings.ts | 15 +++++++++++++++
 src/telegram/bot/bot.ts                 |  6 +++++-
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/settings/Settings.ts b/src/settings/Settings.ts
index 04d54a42..bbf4802a 100644
--- a/src/settings/Settings.ts
+++ b/src/settings/Settings.ts
@@ -68,6 +68,7 @@ export interface TelegramSyncSettings {
 	processOldMessagesSettings: ProcessOldMessagesSettings;
 	processOtherBotsMessages: boolean;
 	retryFailedMessagesProcessing: boolean;
+	proxyUrl: string;
 	// add new settings above this line
 	topicNames: Topic[];
 }
@@ -92,6 +93,7 @@ export const DEFAULT_SETTINGS: TelegramSyncSettings = {
 	processOldMessagesSettings: getDefaultProcessOldMessagesSettings(),
 	processOtherBotsMessages: false,
 	retryFailedMessagesProcessing: false,
+	proxyUrl: "",
 	// add new settings above this line
 	topicNames: [],
 };
diff --git a/src/settings/modals/AdvancedSettings.ts b/src/settings/modals/AdvancedSettings.ts
index 7cdd7592..ebd44192 100644
--- a/src/settings/modals/AdvancedSettings.ts
+++ b/src/settings/modals/AdvancedSettings.ts
@@ -21,6 +21,7 @@ export class AdvancedSettingsModal extends Modal {
 		this.addDeleteMessagesFromTelegram();
 		this.addMessageDelimiterSetting();
 		this.addParallelMessageProcessing();
+		this.addProxyUrl();
 	}
 
 	addHeader() {
@@ -85,6 +86,20 @@ export class AdvancedSettingsModal extends Modal {
 			});
 	}
 
+	addProxyUrl() {
+		new Setting(this.advancedSettingsDiv)
+			.setName("Proxy URL")
+			.setDesc("HTTP proxy for connecting to Telegram (e.g., http://127.0.0.1:7897). Restart the plugin after changing.")
+			.addText((text) => {
+				text.setPlaceholder("http://127.0.0.1:7897");
+				text.setValue(this.plugin.settings.proxyUrl);
+				text.onChange(async (value) => {
+					this.plugin.settings.proxyUrl = value.trim();
+					await this.plugin.saveSettings();
+				});
+			});
+	}
+
 	onOpen() {
 		this.display();
 	}
diff --git a/src/telegram/bot/bot.ts b/src/telegram/bot/bot.ts
index 063b7831..ebbd7641 100644
--- a/src/telegram/bot/bot.ts
+++ b/src/telegram/bot/bot.ts
@@ -18,7 +18,11 @@ export async function connect(plugin: TelegramSyncPlugin) {
 			return;
 		}
 		// Create a new bot instance and start polling
-		plugin.bot = new TelegramBot(await enqueue(plugin, plugin.getBotToken));
+		const botOptions: TelegramBot.ConstructorOptions = {};
+		if (plugin.settings.proxyUrl) {
+			botOptions.request = { proxy: plugin.settings.proxyUrl };
+		}
+		plugin.bot = new TelegramBot(await enqueue(plugin, plugin.getBotToken), botOptions);
 		const bot = plugin.bot;
 		// Set connected flag to false and log errors when a polling error occurs
 		bot.on("polling_error", async (error: unknown) => {