mirror of
https://github.com/kevin-DL/full-stack-fastapi-postgresql.git
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79631c7619
* Use Pydantic BaseSettings for config settings * Update fastapi dep to >=0.47.0 and email_validator to email-validator * Fix deprecation warning for Pydantic >=1.0 * Properly support old-format comma separated strings for BACKEND_CORS_ORIGINS Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
112 lines
3.7 KiB
Python
112 lines
3.7 KiB
Python
import logging
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from datetime import datetime, timedelta
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from pathlib import Path
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from typing import Optional
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import emails
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import jwt
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from emails.template import JinjaTemplate
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from jwt.exceptions import InvalidTokenError
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from app.core.config import settings
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password_reset_jwt_subject = "preset"
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def send_email(email_to: str, subject_template="", html_template="", environment={}):
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assert settings.EMAILS_ENABLED, "no provided configuration for email variables"
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message = emails.Message(
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subject=JinjaTemplate(subject_template),
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html=JinjaTemplate(html_template),
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mail_from=(settings.EMAILS_FROM_NAME, settings.EMAILS_FROM_EMAIL),
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)
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smtp_options = {"host": settings.SMTP_HOST, "port": settings.SMTP_PORT}
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if settings.SMTP_TLS:
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smtp_options["tls"] = True
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if settings.SMTP_USER:
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smtp_options["user"] = settings.SMTP_USER
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if settings.SMTP_PASSWORD:
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smtp_options["password"] = settings.SMTP_PASSWORD
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response = message.send(to=email_to, render=environment, smtp=smtp_options)
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logging.info(f"send email result: {response}")
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def send_test_email(email_to: str):
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project_name = settings.PROJECT_NAME
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subject = f"{project_name} - Test email"
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with open(Path(settings.EMAIL_TEMPLATES_DIR) / "test_email.html") as f:
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template_str = f.read()
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send_email(
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email_to=email_to,
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subject_template=subject,
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html_template=template_str,
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environment={"project_name": settings.PROJECT_NAME, "email": email_to},
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)
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def send_reset_password_email(email_to: str, email: str, token: str):
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project_name = settings.PROJECT_NAME
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subject = f"{project_name} - Password recovery for user {email}"
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with open(Path(settings.EMAIL_TEMPLATES_DIR) / "reset_password.html") as f:
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template_str = f.read()
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if hasattr(token, "decode"):
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use_token = token.decode()
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else:
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use_token = token
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server_host = settings.SERVER_HOST
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link = f"{server_host}/reset-password?token={use_token}"
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send_email(
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email_to=email_to,
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subject_template=subject,
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html_template=template_str,
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environment={
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"project_name": settings.PROJECT_NAME,
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"username": email,
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"email": email_to,
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"valid_hours": settings.EMAIL_RESET_TOKEN_EXPIRE_HOURS,
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"link": link,
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},
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)
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def send_new_account_email(email_to: str, username: str, password: str):
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project_name = settings.PROJECT_NAME
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subject = f"{project_name} - New account for user {username}"
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with open(Path(settings.EMAIL_TEMPLATES_DIR) / "new_account.html") as f:
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template_str = f.read()
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link = settings.SERVER_HOST
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send_email(
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email_to=email_to,
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subject_template=subject,
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html_template=template_str,
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environment={
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"project_name": settings.PROJECT_NAME,
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"username": username,
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"password": password,
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"email": email_to,
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"link": link,
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},
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)
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def generate_password_reset_token(email):
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delta = timedelta(hours=settings.EMAIL_RESET_TOKEN_EXPIRE_HOURS)
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now = datetime.utcnow()
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expires = now + delta
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exp = expires.timestamp()
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encoded_jwt = jwt.encode(
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{"exp": exp, "nbf": now, "sub": password_reset_jwt_subject, "email": email},
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settings.SECRET_KEY,
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algorithm="HS256",
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)
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return encoded_jwt
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def verify_password_reset_token(token) -> Optional[str]:
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try:
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decoded_token = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
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assert decoded_token["sub"] == password_reset_jwt_subject
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return decoded_token["email"]
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except InvalidTokenError:
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return None
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