From c390f1bfee3072c5adb83c1e3c7031289ce1440d Mon Sep 17 00:00:00 2001
From: fazelukario <fazelukario@gmail.com>
Date: Mon, 7 Oct 2024 03:34:49 +0300
Subject: [PATCH 1/3] Escape markdown for subject

---
 notify/telegram.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/notify/telegram.sh b/notify/telegram.sh
index 454b4146..676e7494 100644
--- a/notify/telegram.sh
+++ b/notify/telegram.sh
@@ -27,6 +27,7 @@ telegram_send() {
   fi
   _saveaccountconf_mutable TELEGRAM_BOT_CHATID "$TELEGRAM_BOT_CHATID"
 
+  _subject="$(printf "%s" "$_subject" | sed -e 's/\*/\*\\\\*\*/g')"
   _content="$(printf "%s" "$_content" | sed -e 's/\([_*`\[]\)/\\\\\1/g')"
   _content="$(printf "*%s*\n%s" "$_subject" "$_content" | _json_encode)"
   _data="{\"text\": \"$_content\", "

From fef74c3bca3d849356aaceab199d6a9cc128529e Mon Sep 17 00:00:00 2001
From: fazelukario <fazelukario@gmail.com>
Date: Mon, 7 Oct 2024 03:46:35 +0300
Subject: [PATCH 2/3] feat Cross-Platform Compatibility Guide

---
 notify/telegram.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/notify/telegram.sh b/notify/telegram.sh
index 676e7494..fb203879 100644
--- a/notify/telegram.sh
+++ b/notify/telegram.sh
@@ -27,8 +27,8 @@ telegram_send() {
   fi
   _saveaccountconf_mutable TELEGRAM_BOT_CHATID "$TELEGRAM_BOT_CHATID"
 
-  _subject="$(printf "%s" "$_subject" | sed -e 's/\*/\*\\\\*\*/g')"
-  _content="$(printf "%s" "$_content" | sed -e 's/\([_*`\[]\)/\\\\\1/g')"
+  _subject="$(printf "%s" "$_subject" | sed 's/\*/\*\\\\*\*/g')"
+  _content="$(printf "%s" "$_content" | sed 's/\([_*`\[]\)/\\\\\1/g')"
   _content="$(printf "*%s*\n%s" "$_subject" "$_content" | _json_encode)"
   _data="{\"text\": \"$_content\", "
   _data="$_data\"chat_id\": \"$TELEGRAM_BOT_CHATID\", "

From 26c2fc21c8a062c22438351492df89f752da8909 Mon Sep 17 00:00:00 2001
From: fazelukario <fazelukario@gmail.com>
Date: Mon, 7 Oct 2024 05:16:11 +0300
Subject: [PATCH 3/3] Moving to MarkdownV2 as the old Markdown is obsolete

- Implemented MarkdownV2 with escape of all necessary characters.
- Ref: https://core.telegram.org/bots/api#markdownv2-style
---
 notify/telegram.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/notify/telegram.sh b/notify/telegram.sh
index fb203879..cca8ee25 100644
--- a/notify/telegram.sh
+++ b/notify/telegram.sh
@@ -27,12 +27,12 @@ telegram_send() {
   fi
   _saveaccountconf_mutable TELEGRAM_BOT_CHATID "$TELEGRAM_BOT_CHATID"
 
-  _subject="$(printf "%s" "$_subject" | sed 's/\*/\*\\\\*\*/g')"
-  _content="$(printf "%s" "$_content" | sed 's/\([_*`\[]\)/\\\\\1/g')"
+  _subject="$(printf "%s" "$_subject" | sed 's/\\/\\\\\\\\/g' | sed 's/\]/\\\\\]/g' | sed 's/\([_*[()~`>#+--=|{}.!]\)/\\\\\1/g')"
+  _content="$(printf "%s" "$_content" | sed 's/\\/\\\\\\\\/g' | sed 's/\]/\\\\\]/g' | sed 's/\([_*[()~`>#+--=|{}.!]\)/\\\\\1/g')"
   _content="$(printf "*%s*\n%s" "$_subject" "$_content" | _json_encode)"
   _data="{\"text\": \"$_content\", "
   _data="$_data\"chat_id\": \"$TELEGRAM_BOT_CHATID\", "
-  _data="$_data\"parse_mode\": \"markdown\", "
+  _data="$_data\"parse_mode\": \"MarkdownV2\", "
   _data="$_data\"disable_web_page_preview\": \"1\"}"
 
   _debug "$_data"