From 10de4b6b7bc5f3c9d40214afb62d232b53ee7f89 Mon Sep 17 00:00:00 2001
From: Mike Beattie <mike@ethernal.org>
Date: Mon, 4 Jan 2021 18:41:02 +1300
Subject: [PATCH 1/3] Add Telegram notification script

Requires:
- API Token for a bot created with the Telegram Bot Father.
- A Chat ID for a user/group that the bot has permission to post to.
---
 notify/telegram.sh | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 notify/telegram.sh

diff --git a/notify/telegram.sh b/notify/telegram.sh
new file mode 100644
index 00000000..ee2d93e2
--- /dev/null
+++ b/notify/telegram.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+#Support Telegram Bots
+
+#TELEGRAM_BOT_APITOKEN=""
+#TELEGRAM_BOT_CHATID=""
+
+telegram_send() {
+  _subject="$1"
+  _content="$2"
+  _statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
+  _debug "_statusCode" "$_statusCode"
+
+  TELEGRAM_BOT_APITOKEN="${TELEGRAM_BOT_APITOKEN:-$(_readaccountconf_mutable TELEGRAM_BOT_APITOKEN)}"
+  if [ -z "$TELEGRAM_BOT_APITOKEN" ]; then
+    TELEGRAM_BOT_APITOKEN=""
+    _err "You didn't specify a Telegram BOT API Token TELEGRAM_BOT_APITOKEN yet."
+    return 1
+  fi
+  _saveaccountconf_mutable TELEGRAM_BOT_APITOKEN "$TELEGRAM_BOT_APITOKEN"
+
+  TELEGRAM_BOT_CHATID="${TELEGRAM_BOT_CHATID:-$(_readaccountconf_mutable TELEGRAM_BOT_CHATID)}"
+  if [ -z "$TELEGRAM_BOT_CHATID" ]; then
+    TELEGRAM_BOT_CHATID=""
+    _err "You didn't specify a Telegram Chat id TELEGRAM_BOT_CHATID yet."
+    return 1
+  fi
+  _saveaccountconf_mutable TELEGRAM_BOT_CHATID "$TELEGRAM_BOT_CHATID"
+
+  _content="$(printf "*%s*\n%s" "$_subject" "$_content" | _json_encode)"
+  _data="{\"text\": \"$_content\", "
+  _data="$_data\"chat_id\": \"$TELEGRAM_BOT_CHATID\", "
+  _data="$_data\"parse_mode\": \"markdown\", "
+  _data="$_data\"disable_web_page_preview\": \"1\"}"
+
+  export _H1="Content-Type: application/json"
+  _telegram_bot_url="https://api.telegram.org/bot${TELEGRAM_BOT_APITOKEN}/sendMessage"
+  if _post "$_data" "$_telegram_bot_url"; then
+    # shellcheck disable=SC2154
+    _message=$(printf "%s\n" "$response" | sed -ne 's/.*"ok":\([^,]*\).*/\1/p')
+    if [ "$_message" = "true" ]; then
+      _info "telegram send success."
+      return 0
+    fi
+  fi
+  _err "telegram send error."
+  _err "$response"
+  return 1
+}

From 2e5a6e21cf27533fc772ca525c8a900e0c20f04c Mon Sep 17 00:00:00 2001
From: Mike Beattie <mike@ethernal.org>
Date: Mon, 11 Jan 2021 11:21:46 +1300
Subject: [PATCH 2/3] Correct shebang

---
 notify/telegram.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notify/telegram.sh b/notify/telegram.sh
index ee2d93e2..2806206d 100644
--- a/notify/telegram.sh
+++ b/notify/telegram.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
 #Support Telegram Bots
 

From 584cc6de2e0b465749eaf477c2a33f6843e2840a Mon Sep 17 00:00:00 2001
From: Mike Beattie <mike@ethernal.org>
Date: Mon, 11 Jan 2021 11:27:39 +1300
Subject: [PATCH 3/3] Avoid usage of sed -e

---
 notify/telegram.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notify/telegram.sh b/notify/telegram.sh
index 2806206d..b1306ee1 100644
--- a/notify/telegram.sh
+++ b/notify/telegram.sh
@@ -37,7 +37,7 @@ telegram_send() {
   _telegram_bot_url="https://api.telegram.org/bot${TELEGRAM_BOT_APITOKEN}/sendMessage"
   if _post "$_data" "$_telegram_bot_url"; then
     # shellcheck disable=SC2154
-    _message=$(printf "%s\n" "$response" | sed -ne 's/.*"ok":\([^,]*\).*/\1/p')
+    _message=$(printf "%s\n" "$response" | sed -n 's/.*"ok":\([^,]*\).*/\1/p')
     if [ "$_message" = "true" ]; then
       _info "telegram send success."
       return 0