fediversion/backend/email_service.py
fullsizemalt b4cddf41ea feat: Initialize Fediversion multi-band platform
- Fork elmeg-demo codebase for multi-band support
- Add data importer infrastructure with base class
- Create band-specific importers:
  - phish.py: Phish.net API v5
  - grateful_dead.py: Grateful Stats API
  - setlistfm.py: Dead & Company, Billy Strings (Setlist.fm)
- Add spec-kit configuration for Gemini
- Update README with supported bands and architecture
2025-12-28 12:39:28 -08:00

146 lines
4.7 KiB
Python

"""
Email Service - AWS SES v2 integration using stored templates.
Uses SES stored templates for consistent, branded transactional emails:
- ELMEG_EMAIL_VERIFICATION
- ELMEG_PASSWORD_RESET
- ELMEG_SECURITY_ALERT
"""
import os
import json
import secrets
from datetime import datetime, timedelta
from typing import Optional
import boto3
from botocore.exceptions import ClientError
# Configuration
AWS_REGION = os.getenv("AWS_SES_REGION", "us-east-1")
EMAIL_FROM = os.getenv("EMAIL_FROM", "noreply@elmeg.xyz")
FRONTEND_URL = os.getenv("FRONTEND_URL", "https://elmeg.xyz")
SUPPORT_EMAIL = os.getenv("SUPPORT_EMAIL", "support@elmeg.xyz")
APP_NAME = "Elmeg"
# SES Template Names
TEMPLATE_VERIFICATION = "ELMEG_EMAIL_VERIFICATION"
TEMPLATE_PASSWORD_RESET = "ELMEG_PASSWORD_RESET"
TEMPLATE_SECURITY_ALERT = "ELMEG_SECURITY_ALERT"
def get_ses_client():
"""Get boto3 SES v2 client"""
return boto3.client('sesv2', region_name=AWS_REGION)
def is_email_configured() -> bool:
"""Check if email is properly configured"""
return bool(os.getenv("AWS_ACCESS_KEY_ID") and os.getenv("AWS_SECRET_ACCESS_KEY"))
def send_templated_email(
to: str,
template_name: str,
template_data: dict
) -> dict:
"""
Send email using SES stored template.
Returns:
dict with 'success', 'message_id' (on success), 'error' (on failure)
"""
# Dev mode - log instead of sending
if not is_email_configured():
print(f"[EMAIL DEV MODE] To: {to}, Template: {template_name}")
print(f"[EMAIL DEV MODE] Data: {json.dumps(template_data, indent=2)}")
return {"success": True, "message_id": "dev-mode", "dev_mode": True}
try:
client = get_ses_client()
response = client.send_email(
FromEmailAddress=EMAIL_FROM,
Destination={"ToAddresses": [to]},
Content={
"Template": {
"TemplateName": template_name,
"TemplateData": json.dumps(template_data)
}
}
)
message_id = response.get("MessageId", "unknown")
print(f"[Email] Sent {template_name} to {to}, MessageId: {message_id}")
return {"success": True, "message_id": message_id}
except ClientError as e:
error_msg = e.response.get('Error', {}).get('Message', str(e))
print(f"[Email] Failed to send {template_name} to {to}: {error_msg}")
return {"success": False, "error": error_msg}
# =============================================================================
# Email Functions
# =============================================================================
async def send_verification_email(email: str, token: str, user_name: Optional[str] = None) -> bool:
"""Send email verification using SES template"""
verification_link = f"{FRONTEND_URL}/verify-email?token={token}"
template_data = {
"user_name": user_name or email.split("@")[0],
"verification_link": verification_link,
"app_name": APP_NAME,
"support_email": SUPPORT_EMAIL
}
result = send_templated_email(email, TEMPLATE_VERIFICATION, template_data)
return result["success"]
async def send_password_reset_email(email: str, token: str, user_name: Optional[str] = None) -> bool:
"""Send password reset email using SES template"""
reset_link = f"{FRONTEND_URL}/reset-password?token={token}"
template_data = {
"user_name": user_name or email.split("@")[0],
"reset_link": reset_link,
"app_name": APP_NAME,
"support_email": SUPPORT_EMAIL
}
result = send_templated_email(email, TEMPLATE_PASSWORD_RESET, template_data)
return result["success"]
async def send_security_alert_email(
email: str,
security_event_description: str,
user_name: Optional[str] = None
) -> bool:
"""Send security alert email using SES template"""
template_data = {
"user_name": user_name or email.split("@")[0],
"security_event_description": security_event_description,
"app_name": APP_NAME,
"support_email": SUPPORT_EMAIL
}
result = send_templated_email(email, TEMPLATE_SECURITY_ALERT, template_data)
return result["success"]
# =============================================================================
# Token Generation & Expiry Helpers
# =============================================================================
def generate_token() -> str:
"""Generate a secure random token"""
return secrets.token_urlsafe(32)
def get_verification_expiry() -> datetime:
"""24 hour expiry for email verification"""
return datetime.utcnow() + timedelta(hours=24)
def get_reset_expiry() -> datetime:
"""1 hour expiry for password reset"""
return datetime.utcnow() + timedelta(hours=1)