of course, as usual some bugfixes...

# Conflicts:
#	api1.py

.gitignore

@@ -0,0 +1,3 @@
+/deadswitch.sqlite3
+/session.session
+__pycache__

api1.py

@@ -1,10 +1,12 @@
 import flask
 import sys
-from flask import request, jsonify, g
+from flask import request, jsonify, g, make_response
 from flask_apscheduler import APScheduler
 from datetime import datetime,timedelta,timezone
 import sqlite3
 import smtplib
+from telethon.sync import TelegramClient 
+import asyncio
 
 # testing:
 # start dummy web server for dev with root: python3 -m smtpd -c DebuggingServer -n localhost:25
@@ -25,24 +27,69 @@ class Config(object):
 
     SCHEDULER_API_ENABLED = True
 
-def sendMail(topic,toAddr):
+def sendSelfTelegram(message,toId):
+    print(f"sending telegram message to myself")
+    # get your api_id, api_hash, token 
+    # from telegram as described above 
+    api_id = '2452309'
+    api_hash = '4cc6a58946508e59547d15d530a421ae'
+
+    # your phone number 
+    phone = '+13616553044'
+
+    # creating a telegram session and assigning 
+    # it to a variable client 
+    client = TelegramClient('session', api_id, api_hash) 
+
+    # connecting and building the session 
+    client.connect() 
+
+    # in case of script ran first time it will 
+    # ask either to input token or otp sent to 
+    # number or sent or your telegram id 
+    if not client.is_user_authorized(): 
+        client.send_code_request(phone) 
+        
+        # signing in the client 
+        client.sign_in(phone, input('Enter the code: ')) 
+    try: 
+        client.send_message(toId, message, parse_mode='html')
+    except Exception as e: 
+        # there may be many error coming in while like peer 
+        # error, wwrong access_hash, flood_error, etc 
+        print(e); 
+
+    # disconnecting the telegram session 
+    client.disconnect() 
+
+
+def sendNotification(topic,toAddr):
     print(f"sending mail to {toAddr} for topic {topic}")
     port = 25
     server=smtplib.SMTP("localhost", port)
     sender_email = "deadswitch@kawomi.com"
     receiver_email = toAddr
-    message = f"""Subject: deadSwitch not pushed on topic {topic}\n\nNotification of deadSwitch not pushed on topic {topic}."""
+    message = f"""Subject: deadSwitch not pushed on topic {topic}\n\nNotification of deadSwitch not pushed on topic {topic}.
+
+    https://deadswitch.kawomi.com/api/v1?topic={topic}
+
+    """
+    sendSelfTelegram(message, 5070349790)
+
+    if not "@" in toAddr:
+        print(f"not sending mail -  {toAddr} not an email-address.")
+        return False
     server.sendmail(sender_email, receiver_email, message)
 
-
 def expiryCheck():
+    asyncio.set_event_loop(asyncio.SelectorEventLoop())
     print('.',end='')
     db=sqlite3.connect(DATABASE,detect_types=sqlite3.PARSE_DECLTYPES)
     cursor = db.cursor()
     for theRow in cursor.execute("select expiry,topic,email from entries where active=True and isNotified=False and expiry < datetime()"):
         print(theRow)
         for theEmailAddr in theRow[2].split(','):
-            sendMail(theRow[1],theEmailAddr)
+            sendNotification(theRow[1],theEmailAddr)
         db.execute("update entries set isNotified=True where topic=?",[theRow[1]])
         db.commit()
     db.close()
@@ -75,15 +122,23 @@ if __name__ == '__main__':
     def home():
         return """<h1>Dead-Switch web service</h1>
         <hr>
-        <h2>2020-10-29 - j.tretter@gmail.com</h2>
+        <h2>2020-10-29 - joe@kawomi.com</h2>
         <hr>
         Examples:
         <ul>
         <li>curl "https://deadswitch.kawomi.com/api/v1?topic=sys.demo"</li>
-        <li>curl -d "" -X POST "https://deadswitch.kawomi.com/api/v1?topic=sys.demo&secs=60&email=demo@demo.com"</li>
+        <li>curl -d "" -X POST "https://deadswitch.kawomi.com/api/v1?topic=sys.demo&secs=60&email=joe@kawomi.com"</li>
         </ul>"""
 
 
+    @app.route('/api/v1', methods=['OPTIONS'])
+    def api_returnOptions():
+        response = make_response()
+        response.headers.add("Access-Control-Allow-Origin", "*")
+        response.headers.add('Access-Control-Allow-Headers', "*")
+        response.headers.add('Access-Control-Allow-Methods', "*")
+        return response
+
     @app.route('/api/v1', methods=['GET'])
     def api_getByTopic():
         if 'topic' in request.args:
@@ -97,7 +152,7 @@ if __name__ == '__main__':
         if theRow is None:
             return jsonify({'success':False, 'error':f"No entry found for topic _{topic}_"})
 
-        return jsonify({'success':True, 'topic':topic, 'active':bool(theRow[0]), 'expiry':theRow[1].strftime("%Y-%m-%d %H:%M:%S"), 'lastSeen':theRow[5].strftime("%Y-%m-%d %H:%M:%S"),'isExpired':bool(theRow[4]),'email':theRow[2], 'isNotified':bool(theRow[3])})
+        return _corsify_actual_response(jsonify({'success':True, 'topic':topic, 'active':bool(theRow[0]), 'expiry':theRow[1].strftime("%Y-%m-%d %H:%M:%S"), 'lastSeen':theRow[5].strftime("%Y-%m-%d %H:%M:%S"),'isExpired':bool(theRow[4]),'email':theRow[2], 'isNotified':bool(theRow[3])}))
 
     @app.route('/api/v1', methods=['PUT','POST'])
     def api_setRecord():
@@ -128,4 +183,8 @@ if __name__ == '__main__':
 
         return jsonify({'success':True, 'expiry':expiryDateTime.strftime("%Y-%m-%d %H:%M:%S"), 'email':email})
 
+    def _corsify_actual_response(response):
+        response.headers.add("Access-Control-Allow-Origin", "*")
+        return response
+
     app.run(use_reloader=False,port=5123)

telegramtest.py

@@ -1,4 +1,3 @@
-import telebot 
 from telethon.sync import TelegramClient 
 from telethon.tl.types import InputPeerUser, InputPeerChannel 
 from telethon import TelegramClient, sync, events 
@@ -36,17 +35,14 @@ if not client.is_user_authorized():
 try: 
 	# receiver user_id and access_hash, use 
 	# my user_id and access_hash for reference 
-    print(client.get_me().stringify())
-    print("A")
-    #receiver = InputPeerUser('user_id', 'user_hash')
-    receiver = InputPeerUser('1463709677', '4835783730631176464') 
+    #print(client.get_me().stringify())
+    # send message to self...
+    receiver = InputPeerUser( str(client.get_me().id), str(client.get_me().access_hash))
 
-    print("B ")
-    print(receiver)
+    #print(receiver)
 	# sending message using telegram client 
     #client.send_message(receiver, message, parse_mode='html') 
     client.send_message(1463709677, "test message", parse_mode='html')
-    print("C")
 except Exception as e: 
 	
 	# there may be many error coming in while like peer 

telegramtest2.py

@@ -0,0 +1,35 @@
+from telethon.sync import TelegramClient 
+
+# get your api_id, api_hash, token 
+# from telegram as described above 
+api_id = '2452309'
+api_hash = '4cc6a58946508e59547d15d530a421ae'
+
+# your phone number 
+phone = '+13616553044'
+
+# creating a telegram session and assigning 
+# it to a variable client 
+client = TelegramClient('session', api_id, api_hash) 
+
+# connecting and building the session 
+client.connect() 
+
+# in case of script ran first time it will 
+# ask either to input token or otp sent to 
+# number or sent or your telegram id 
+if not client.is_user_authorized(): 
+	client.send_code_request(phone) 
+	
+	# signing in the client 
+	client.sign_in(phone, input('Enter the code: ')) 
+try: 
+	schlingelId=5070349790
+	client.send_message(schlingelId, "test message", parse_mode='html')
+except Exception as e: 
+	# there may be many error coming in while like peer 
+	# error, wwrong access_hash, flood_error, etc 
+	print(e); 
+
+# disconnecting the telegram session 
+client.disconnect()