furizon_webint/email_util.py

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from sanic import Sanic
from sanic.log import logger
import ssl
from ssl import SSLContext
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from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from messages import ROOM_ERROR_TYPES
import smtplib
from messages import *
from config import *
from jinja2 import Environment, FileSystemLoader
from threading import Timer, Lock
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def killSmptClient():
global sslLock
global sslTimer
global smptSender
sslTimer.cancel()
sslLock.acquire()
if(smptSender is not None):
logger.debug('[SMPT] Closing smpt client')
smptSender.quit() # it calls close() inside
smptSender = None
sslLock.release()
async def openSmptClient():
global sslLock
global sslTimer
global sslContext
global smptSender
sslTimer.cancel()
sslLock.acquire()
if(smptSender is None):
logger.debug('[SMPT] Opening smpt client')
client : smtplib.SMTP = smtplib.SMTP(SMTP_HOST, SMTP_PORT)
client.starttls(context=sslContext)
client.login(SMTP_USER, SMTP_PASSWORD)
smptSender = client
sslLock.release()
sslTimer = createTimer()
sslTimer.start()
def createTimer():
return Timer(SMPT_CLIENT_CLOSE_TIMEOUT, killSmptClient)
sslLock : Lock = Lock()
sslTimer : Timer = createTimer()
sslContext : SSLContext = ssl.create_default_context()
smptSender : smtplib.SMTP = None
async def sendEmail(message : MIMEMultipart):
message['From'] = f'{EMAIL_SENDER_NAME} <{EMAIL_SENDER_MAIL}>'
await openSmptClient()
logger.debug(f"[SMPT] Sending mail {message['From']} -> {message['to']} '{message['Subject']}'")
sslLock.acquire()
smptSender.sendmail(message['From'], message['to'], message.as_string())
sslLock.release()
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def render_email_template(title = "", body = ""):
tpl = Environment(loader=FileSystemLoader("tpl"), autoescape=False).get_template('email/comunication.html')
return str(tpl.render(title=title, body=body))
async def send_unconfirm_message(room_order, orders):
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memberMessages = []
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issues_plain = ""
issues_html = "<ul>"
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for err in room_order.room_errors:
errId = err[1]
order = err[0]
orderStr = ""
if order is not None:
orderStr = f"{order}: "
if errId in ROOM_ERROR_TYPES.keys():
issues_plain += f"{orderStr}{ROOM_ERROR_TYPES[errId]}\n"
issues_html += f"<li>{orderStr}{ROOM_ERROR_TYPES[errId]}</li>"
issues_html += "</ul>"
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for member in orders:
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plain_body = EMAILS_TEXT["ROOM_UNCONFIRM_TEXT"]['plain'].format(member.name, room_order.room_name, issues_plain)
html_body = render_email_template(EMAILS_TEXT["ROOM_UNCONFIRM_TITLE"], EMAILS_TEXT["ROOM_UNCONFIRM_TEXT"]['html'].format(member.name, room_order.room_name, issues_html))
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plain_text = MIMEText(plain_body, "plain")
html_text = MIMEText(html_body, "html")
message = MIMEMultipart("alternative")
message.attach(plain_text)
message.attach(html_text)
message['Subject'] = f'[{EMAIL_SENDER_NAME}] Your room cannot be confirmed'
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message['To'] = f"{member.name} <{member.email}>"
memberMessages.append(message)
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if len(memberMessages) == 0: return
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for message in memberMessages:
await sendEmail(message)
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async def send_missing_propic_message(order, missingPropic, missingFursuitPropic):
t = []
if(missingPropic): t.append("your propic")
if(missingFursuitPropic): t.append("your fursuit's badge")
missingText = " and ".join(t)
plain_body = EMAILS_TEXT["MISSING_PROPIC_TEXT"]['plain'].format(order.name, missingText)
html_body = render_email_template(EMAILS_TEXT["MISSING_PROPIC_TITLE"], EMAILS_TEXT["MISSING_PROPIC_TEXT"]['html'].format(order.name, missingText))
plain_text = MIMEText(plain_body, "plain")
html_text = MIMEText(html_body, "html")
message = MIMEMultipart("alternative")
message.attach(plain_text)
message.attach(html_text)
message['Subject'] = f"[{EMAIL_SENDER_NAME}] You haven't uploaded your badges yet!"
message['To'] = f"{order.name} <{order.email}>"
await sendEmail(message)
async def send_app_login_attempt(user, loginCode):
#TODO: Format a proper email and add it to messages.py
msg = MIMEText(f"Hello {user.name}!\n\nWe have received a request to login in the app. If you didn't do this, please ignore this email. Somebody is probably playing with you.\n\nYour login code is: {loginCode}\n\nPlease do not tell this to anybody!")
msg['Subject'] = '[Furizon] Your login code'
msg['To'] = f"{user.name} <{user.email}>"
await sendEmail(msg)