Sysdeploy/influx-smtp-gateway
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Added Send mail functionality & Dockerized application #1

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PeterSurda merged 11 commits from cis-kuldeep/influx-smtp-gateway:master into master 2022-02-21 07:41:14 +01:00
Conversation 1 Commits 11 Files Changed 7 +13 -12
1 changed files with 13 additions and 12 deletions
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Showing only changes of commit f4fc89c111 - Show all commits

25
main.py
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@ -26,8 +26,7 @@ class SMTPWebhookApp:
def _send_mail(self): def _send_mail(self):
if not cherrypy.request.headers.get('Content-Length'): if not cherrypy.request.headers.get('Content-Length'):
logging.error("To: {}, error: Invalid content length.".format( logging.error("error: Invalid content length.")
TO_MAIL))
return {"status": 400, "message": "Invalid content length."} return {"status": 400, "message": "Invalid content length."}
cl = cherrypy.request.headers['Content-Length'] cl = cherrypy.request.headers['Content-Length']
@ -35,30 +34,33 @@ class SMTPWebhookApp:
req_body = json.loads(rawbody) req_body = json.loads(rawbody)
if not req_body.get('subject') or req_body.get('subject') == '': if not req_body.get('subject') or req_body.get('subject') == '':
logging.error("To: {}, error: body field is required.".format( logging.error("error: body field is required.")
TO_MAIL))
return {"status": 400, "message": "subject field is required."} return {"status": 400, "message": "subject field is required."}
if not req_body.get('body') or req_body.get('body') == '': if not req_body.get('body') or req_body.get('body') == '':
logging.error("To: {}, error: body field is required.".format( logging.error("error: body field is required.")
TO_MAIL))
return {"status": 400, "message": "body field is required."} return {"status": 400, "message": "body field is required."}
if not req_body.get('to_mail') or req_body.get('to_mail') == '':
logging.error("error: to_mail field is required.")
return {"status": 400, "message": "to_mail field is required."}
subject = req_body['subject'] subject = req_body['subject']
body = req_body['body'] body = req_body['body']
to_mail = req_body['to_mail']
try: try:
client = smtplib.SMTP(host=SMTP_SERVER_HOST, port=SMTP_SERVER_PORT) client = smtplib.SMTP(host=SMTP_SERVER_HOST, port=SMTP_SERVER_PORT)
except (smtplib.SMTPConnectionError, TimeoutError) as e: except (smtplib.SMTPConnectionError, TimeoutError) as e:
time.sleep(0.2) time.sleep(0.2)
logging.error("To: {}, error: {}".format(TO_MAIL, e)) logging.error("To: {}, error: {}".format(to_mail, e))
return {"status": 400, "message": "SMTP client error: {}.".format( return {"status": 400, "message": "SMTP client error: {}.".format(
e)} e)}
msg = MIMEText(body, 'plain', 'utf-8') msg = MIMEText(body, 'plain', 'utf-8')
msg['Subject'] = Header(subject, 'utf-8') msg['Subject'] = Header(subject, 'utf-8')
msg['From'] = FROM_MAIL msg['From'] = FROM_MAIL
msg['To'] = TO_MAIL msg['To'] = to_mail
try: try:
client.ehlo() client.ehlo()
client.starttls() client.starttls()
@ -66,10 +68,10 @@ class SMTPWebhookApp:
client.login(msg["From"], FROM_MAIL_PASSWORD) client.login(msg["From"], FROM_MAIL_PASSWORD)
client.sendmail(msg['From'], msg['To'], msg.as_string()) client.sendmail(msg['From'], msg['To'], msg.as_string())
response = {"status": 200, "message": "mail sent successfully"} response = {"status": 200, "message": "mail sent successfully"}
logging.info("To: {}, mail sent successfully".format(TO_MAIL)) logging.info("To: {}, mail sent successfully".format(to_mail))
except smtplib.SMTPException as e: except smtplib.SMTPException as e:
time.sleep(0.2) time.sleep(0.2)
logging.error("To: {}, error: {}".format(TO_MAIL, e)) logging.error("To: {}, error: {}".format(to_mail, e))
response = {"status": 500, "message": "some error: {}".format(e)} response = {"status": 500, "message": "some error: {}".format(e)}
finally: finally:
client.quit() client.quit()
@ -95,12 +97,11 @@ CHERRYPY_SERVER_PORT = 8081
if __name__ == "__main__": if __name__ == "__main__":
try: try:
SMTP_SERVER_HOST = os.environ["SMTP_SERVER_HOST"] SMTP_SERVER_HOST = os.environ["SMTP_SERVER_HOST"]
TO_MAIL = os.environ["TO_MAIL"]
FROM_MAIL = os.environ["FROM_MAIL"] FROM_MAIL = os.environ["FROM_MAIL"]
FROM_MAIL_PASSWORD = os.environ["FROM_MAIL_PASSWORD"] FROM_MAIL_PASSWORD = os.environ["FROM_MAIL_PASSWORD"]
except KeyError: except KeyError:
raise KeyError("Please check missing environment variables: " raise KeyError("Please check missing environment variables: "
"SMTP_SERVER_HOST, TO_MAIL, FROM_MAIL, " "SMTP_SERVER_HOST, FROM_MAIL, "
"FROM_MAIL_PASSWORD") "FROM_MAIL_PASSWORD")
cherrypy.server.socket_host = CHERRYPY_SERVER_HOST cherrypy.server.socket_host = CHERRYPY_SERVER_HOST