258 lines
12 KiB
Python
Executable File
258 lines
12 KiB
Python
Executable File
# /opt/docker/dev/service_finder/backend/app/services/email_manager.py
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import os
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import smtplib
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import logging
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import requests
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from email.mime.text import MIMEText
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from email.mime.multipart import MIMEMultipart
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from typing import Optional
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.config import settings
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from app.core.i18n import locale_manager
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from app.services.config_service import config
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from app.db.session import AsyncSessionLocal
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logger = logging.getLogger("Email-Manager-2.0")
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class EmailManager:
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@staticmethod
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def _get_base_url() -> str:
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"""Return the appropriate base URL for email links."""
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# Check environment variable first
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base_url = os.getenv("EMAIL_BASE_URL")
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if base_url:
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return base_url.rstrip('/')
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# Fallback to dev domain for external access
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return "https://dev.servicefinder.hu"
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@staticmethod
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def _build_verification_link(token: str) -> str:
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"""Build verification link with proper path."""
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base = EmailManager._get_base_url()
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# Use frontend verification route (adjust if needed)
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return f"{base}/verify?token={token}"
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@staticmethod
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def _get_html_template(template_key: str, variables: dict, lang: str = "hu") -> str:
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"""HTML sablon generálása a fordítási fájlok alapján."""
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greeting = locale_manager.get(f"email.{template_key}_greeting", lang=lang, **variables)
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body = locale_manager.get(f"email.{template_key}_body", lang=lang, **variables)
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button_text = locale_manager.get(f"email.{template_key}_button", lang=lang)
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footer = locale_manager.get(f"email.{template_key}_footer", lang=lang)
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link_fallback_text = locale_manager.get("email.link_fallback", lang=lang)
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# If link is not provided but token is, build verification link
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link = variables.get('link')
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if not link and 'token' in variables:
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link = EmailManager._build_verification_link(variables['token'])
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return f"""
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<html>
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<body style="font-family: Arial, sans-serif; color: #333; line-height: 1.6;">
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<div style="max-width: 600px; margin: 0 auto; border: 1px solid #ddd; padding: 30px; border-radius: 10px;">
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<h2 style="color: #2c3e50;">{greeting}</h2>
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<p>{body}</p>
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<div style="text-align: center; margin: 40px 0;">
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<a href="{link or '#'}"
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style="background-color: #3498db; color: white; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; font-size: 16px;">
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{button_text}
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</a>
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</div>
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<p style="font-size: 0.85em; color: #777; word-break: break-all;">
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{link_fallback_text}<br>
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<a href="{link or '#'}" style="color: #3498db;">{link or '#'}</a>
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</p>
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<hr style="border: 0; border-top: 1px solid #eee; margin: 30px 0;">
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<p style="font-size: 0.8em; color: #999; text-align: center;">{footer}</p>
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</div>
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</body>
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</html>
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"""
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@staticmethod
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async def send_email(recipient: str, template_key: str, variables: dict, lang: str = "hu", db: Optional[AsyncSession] = None):
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"""
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E-mail küldése Brevo API-n vagy SMTP-n keresztül.
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"""
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session_internal = False
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if db is None:
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db = AsyncSessionLocal()
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session_internal = True
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try:
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# Check if emails are disabled via DB config
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provider = await config.get_setting(db, "email_provider", default="smtp")
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if provider == "disabled":
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logger.info(f"Email küldés letiltva (Admin config). Cél: {recipient}")
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return {"status": "success", "provider": "disabled", "message": "Email disabled by admin config"}
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html = EmailManager._get_html_template(template_key, variables, lang)
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subject = locale_manager.get(f"email.{template_key}_subject", lang=lang)
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# Get email provider from environment
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email_provider = os.getenv("EMAIL_PROVIDER", "smtp").lower()
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if email_provider == "brevo_api":
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result = await EmailManager._send_via_brevo_api(recipient, subject, html, variables)
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# Primary-Fallback Logic: If Brevo API fails, try SMTP
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if result.get("status") == "error":
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logger.error(f"Brevo API failed for {recipient}: {result.get('message')}. Falling back to SMTP.")
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result = await EmailManager._send_via_smtp(recipient, subject, html)
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elif email_provider == "brevo_smtp":
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result = await EmailManager._send_via_brevo_smtp(recipient, subject, html)
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else: # Default to SMTP
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result = await EmailManager._send_via_smtp(recipient, subject, html)
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logger.info(f"Email sending result for {recipient}: {result}")
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return result
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except Exception as e:
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logger.error(f"CRITICAL: Email sending failed for {recipient}: {str(e)}")
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# Don't crash - return error but don't raise exception
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return {"status": "error", "message": str(e), "provider": "unknown"}
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finally:
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if session_internal:
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await db.close()
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@staticmethod
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async def _send_via_brevo_api(recipient: str, subject: str, html: str, variables: dict):
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"""Send email via Brevo REST API"""
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try:
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brevo_api_key = os.getenv("BREVO_API_KEY")
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if not brevo_api_key:
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logger.error("BREVO_API_KEY environment variable not set")
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return {"status": "error", "message": "BREVO_API_KEY not configured", "provider": "brevo_api"}
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sender_name = os.getenv("MAIL_FROM_NAME", "ServiceFinder")
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sender_email = os.getenv("MAIL_FROM", "noreply@servicefinder.hu")
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# Prepare Brevo API payload
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payload = {
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"sender": {
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"name": sender_name,
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"email": sender_email
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},
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"to": [{"email": recipient}],
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"subject": subject,
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"htmlContent": html,
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"tags": ["verification"]
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}
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# Try to disable tracking - Brevo may ignore this if account-level tracking is enabled
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# According to Brevo API v3 docs, tracking settings are at account level
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# We'll add tracking object but it may not work for free tier
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payload["tracking"] = {
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"click": False,
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"open": False
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}
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headers = {
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"accept": "application/json",
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"api-key": brevo_api_key,
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"content-type": "application/json"
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}
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response = requests.post(
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"https://api.brevo.com/v3/smtp/email",
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json=payload,
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headers=headers,
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timeout=30
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)
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if response.status_code == 201:
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logger.info(f"Brevo API email sent successfully to {recipient}")
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return {"status": "success", "provider": "brevo_api", "message_id": response.json().get("messageId")}
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else:
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logger.error(f"Brevo API error: {response.status_code} - {response.text}")
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return {"status": "error", "provider": "brevo_api", "message": response.text}
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except Exception as e:
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logger.error(f"Brevo API exception: {str(e)}")
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return {"status": "error", "provider": "brevo_api", "message": str(e)}
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@staticmethod
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async def _send_via_brevo_smtp(recipient: str, subject: str, html: str):
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"""Send email via Brevo SMTP relay"""
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try:
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smtp_host = "smtp-relay.brevo.com"
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smtp_port = 587
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smtp_user = os.getenv("BREVO_SMTP_USER")
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smtp_pass = os.getenv("BREVO_SMTP_PASSWORD")
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if not smtp_user or not smtp_pass:
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logger.error("BREVO_SMTP_USER or BREVO_SMTP_PASSWORD not set")
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return {"status": "error", "message": "Brevo SMTP credentials not configured", "provider": "brevo_smtp"}
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from_email = os.getenv("MAIL_FROM", "noreply@servicefinder.hu")
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from_name = os.getenv("MAIL_FROM_NAME", "ServiceFinder")
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msg = MIMEMultipart()
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msg["From"] = f"{from_name} <{from_email}>"
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msg["To"] = recipient
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msg["Subject"] = subject
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msg.attach(MIMEText(html, "html"))
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logger.info(f"Connecting to Brevo SMTP: {smtp_host}:{smtp_port}")
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with smtplib.SMTP(smtp_host, smtp_port, timeout=15) as server:
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server.starttls()
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server.login(smtp_user, smtp_pass)
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server.send_message(msg)
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logger.info(f"Brevo SMTP email sent successfully to {recipient}")
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return {"status": "success", "provider": "brevo_smtp"}
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except Exception as e:
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logger.error(f"Brevo SMTP exception: {str(e)}")
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return {"status": "error", "provider": "brevo_smtp", "message": str(e)}
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@staticmethod
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async def _send_via_smtp(recipient: str, subject: str, html: str):
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"""Send email via standard SMTP (fallback)"""
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# Mock mode check: If APP_ENV=test or domain is example.com, skip SMTP and return success
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app_env = os.getenv("APP_ENV", "").lower()
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is_example_domain = recipient.endswith("@example.com") or "@example.com" in recipient
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if app_env == "test" or is_example_domain:
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logger.info(f"Mock mode: Skipping SMTP for {recipient} (APP_ENV={app_env}, is_example_domain={is_example_domain})")
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return {"status": "success", "provider": "mock", "message": "Email skipped in test mode"}
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try:
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smtp_host = os.getenv("SMTP_HOST", "mail.servicefinder.hu")
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smtp_port = int(os.getenv("SMTP_PORT", "465"))
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smtp_user = os.getenv("SMTP_USER", "noreply@servicefinder.hu")
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smtp_pass = os.getenv("SMTP_PASSWORD", "")
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from_email = os.getenv("MAIL_FROM", "noreply@servicefinder.hu")
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from_name = os.getenv("MAIL_FROM_NAME", "ServiceFinder")
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msg = MIMEMultipart()
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msg["From"] = f"{from_name} <{from_email}>"
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msg["To"] = recipient
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msg["Subject"] = subject
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msg.attach(MIMEText(html, "html"))
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# Port 465 uses SMTP_SSL directly instead of STARTTLS
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if smtp_port == 465:
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logger.info(f"Connecting via SMTP_SSL to {smtp_host}:{smtp_port}")
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with smtplib.SMTP_SSL(smtp_host, smtp_port, timeout=15) as server:
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if smtp_user and smtp_pass:
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server.login(smtp_user, smtp_pass)
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server.send_message(msg)
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else:
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logger.info(f"Connecting via SMTP to {smtp_host}:{smtp_port}")
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with smtplib.SMTP(smtp_host, smtp_port, timeout=15) as server:
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server.starttls()
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if smtp_user and smtp_pass:
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server.login(smtp_user, smtp_pass)
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server.send_message(msg)
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logger.info(f"SMTP email sent successfully to {recipient}")
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return {"status": "success", "provider": "smtp"}
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except Exception as e:
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logger.error(f"SMTP exception: {str(e)}")
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return {"status": "error", "provider": "smtp", "message": str(e)}
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email_manager = EmailManager() |