Files
web2.0-backend/webapp/utils.py
T
Ojakoo 228938b695 lint
2022-07-31 16:33:28 +03:00

159 lines
4.7 KiB
Python

"""Webapp utils."""
import logging
import base64
import uuid
import imghdr
import markdown
import sendgrid
from django.utils import timezone
from sendgrid.helpers.mail import (
Email,
To,
Subject,
Mail,
HtmlContent,
PlainTextContent,
)
from django.template.loader import render_to_string
from django.core.files.base import ContentFile
from sikweb.settings import (
FRONTEND_URL,
EMAIL_API_KEY,
DEFAULT_EMAIL_FROM,
DEFAULT_EMAIL_FROM_ADDR,
ENABLE_AUTOMATIC_EMAILS,
GROUP_KEY,
GOOGLE_SERVICE_ACCOUNT,
)
from datetime import timedelta
from google.oauth2 import service_account
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
def get_file_extension(file_name, decoded_file):
extension = imghdr.what(file_name, decoded_file)
extension = "jpg" if extension == "jpeg" else extension
return extension
def decode_base64_file(data):
# Check if this is a base64 string
if isinstance(data, str):
# Check if the base64 string is in the "data:" format
if "data:" in data and ";base64," in data:
# Break out the header from the base64 content
header, data = data.split(";base64,")
# Try to decode the file. Return validation error if it fails.
try:
decoded_file = base64.b64decode(data)
except TypeError:
TypeError("invalid_image")
# Generate file name:
file_name = str(uuid.uuid4())
# Get the file name extension:
file_extension = get_file_extension(file_name, decoded_file)
complete_file_name = "%s.%s" % (
file_name,
file_extension,
)
return ContentFile(decoded_file, name=complete_file_name)
def month_from_now():
"""Return date one month from now."""
return timezone.now() + timedelta(days=30)
def send_email(to: str, subject: str, body: str, html: bool = False):
if ENABLE_AUTOMATIC_EMAILS is False:
logging.debug("Skipping email")
logging.debug(f"to: {to}")
logging.debug(f"subject: {subject}")
logging.debug(f"body: {body}")
return
from_email = Email(email=DEFAULT_EMAIL_FROM_ADDR, name=DEFAULT_EMAIL_FROM)
to_email = To(email=to)
sub = Subject(subject=subject)
html_content = None
plain_text_content = None
if html:
html_content = HtmlContent(content=body)
else:
plain_text_content = PlainTextContent(content=body)
mail = Mail(
from_email=from_email,
to_emails=to_email,
subject=sub,
html_content=html_content,
plain_text_content=plain_text_content,
)
try:
sg = sendgrid.SendGridAPIClient(api_key=EMAIL_API_KEY)
response = sg.send(mail)
if response.status_code != 202:
raise Exception(f"Failed to send email: {response.body}")
except Exception as ex:
logging.exception("Failed to send email.")
def send_signup_email(to, subject, id, uuid, content):
message = render_to_string(
"webapp:signup_email.html",
{
"url": f"https://{FRONTEND_URL}/signup/edit/{id}/{uuid}",
"content": markdown.markdown(content),
},
)
return send_email(to, subject, message, True)
def admin_send_email_signupees(list, subject, content):
for to in list:
send_email(to.email, subject, markdown.markdown(content), True)
def add_to_mailinglist(email: str):
try:
# get data
SCOPES = ["https://www.googleapis.com/auth/admin.directory.group"]
SERVICE_ACCOUNT_FILE = "google-service-cred.json"
# create credentials, with subject is used to impersonate admin account
# jas_manager has groups editor rights in google admin
credentials = service_account.Credentials.from_service_account_info(
info=GOOGLE_SERVICE_ACCOUNT, scopes=SCOPES
).with_subject("jas_manager@sahkoinsinoorikilta.fi")
service = build("admin", "directory_v1", credentials=credentials)
service.members().insert(groupKey=GROUP_KEY, body={"email": email}).execute()
except HttpError as err:
# Already in list, do nothing
if err.status_code == 409:
pass
# Something went wrong, send notification to maintainer.
else:
logging.exception("Failed adding user to list")
to = "ilari.ojakorpi@sahkoinsinoorikilta.fi"
subject = "Web error: Failed adding to google groups"
body = "Error code: {}\nError details: {}\nEmail that was not added: {}\n\nAdd user manually to jäsenet groups.".format(
err.status_code, err.error_details, email
)
send_email(to, subject, body)