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2b7428df560b328534ed07b4e6c1b2d525b06d09
DoC/backend/api/services/email_service.py
T
Mireya 2b7428df56 Edit email_service.py
2026-05-15 08:37:57 +00:00

188 lines
8.1 KiB
Python
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import html
import os
import smtplib
import ssl
from datetime import datetime
from email.message import EmailMessage
from api.utils.email_verification import EMAIL_VERIFICATION_CODE_TTL_MINUTES
def _env_bool(name: str, default: str = "false") -> bool:
return os.getenv(name, default).strip().lower() in {"1", "true", "yes", "on"}
def _build_verification_plain(username: str, code: str) -> str:
ttl = EMAIL_VERIFICATION_CODE_TTL_MINUTES
return "\n".join(
[
f"Hola {username},",
"",
"Tu código de verificación para Deck of Cards es:",
"",
code,
"",
f"Este código caduca en {ttl} minutos.",
"Si no has creado esta cuenta, puedes ignorar este correo.",
"",
"— Deck of Cards",
"Plataforma web para la elicitación de escalas de valor (DoC-MF).",
]
)
def _build_verification_html(username: str, code: str) -> str:
safe_username = html.escape(username)
frontend_url = os.getenv("FRONTEND_URL", "http://localhost:5173").rstrip("/")
logo_url = f"{frontend_url}/favicon.svg"
ttl = EMAIL_VERIFICATION_CODE_TTL_MINUTES
year = datetime.utcnow().year
return f"""<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Verificación — Deck of Cards</title>
</head>
<body style="margin:0;padding:0;background-color:#f8fafc;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;">
<table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="background-color:#f8fafc;padding:32px 16px;">
<tr>
<td align="center">
<table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="max-width:600px;background-color:#ffffff;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;box-shadow:0 1px 3px rgba(15,23,42,0.08);">
<tr>
<td style="padding:20px 28px;background-color:#ffffff;border-bottom:1px solid #e2e8f0;">
<table role="presentation" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td style="vertical-align:middle;">
<table role="presentation" cellspacing="0" cellpadding="0">
<tr>
<td style="padding-right:12px;vertical-align:middle;">
<img src="{logo_url}" alt="Deck of Cards" width="40" height="40" style="display:block;border-radius:12px;" />
</td>
<td style="vertical-align:middle;">
<span style="font-size:22px;font-weight:900;color:#2563eb;letter-spacing:-0.02em;">
Deck of Cards
</span>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td style="padding:32px 28px;">
<p style="margin:0 0 8px;font-size:14px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:0.12em;">
Verificación de cuenta
</p>
<h1 style="margin:0 0 16px;font-size:24px;font-weight:900;color:#1e293b;line-height:1.3;">
Hola, {safe_username}
</h1>
<p style="margin:0 0 24px;font-size:15px;line-height:1.6;color:#64748b;">
Gracias por registrarte. Introduce el siguiente código en la pantalla de registro para confirmar tu correo electrónico.
</p>
<table role="presentation" width="100%" cellspacing="0" cellpadding="0" style="margin-bottom:24px;">
<tr>
<td align="center" style="background-color:#eff6ff;border:2px solid #bfdbfe;border-radius:12px;padding:24px;">
<p style="margin:0 0 8px;font-size:11px;font-weight:800;color:#1d4ed8;text-transform:uppercase;letter-spacing:0.2em;">
Tu código
</p>
<p style="margin:0;font-size:36px;font-weight:900;letter-spacing:0.35em;color:#2563eb;font-family:ui-monospace,'Cascadia Code','Segoe UI Mono',monospace;">
{code}
</p>
</td>
</tr>
</table>
<p style="margin:0 0 8px;font-size:14px;line-height:1.6;color:#64748b;">
El código caduca en <strong style="color:#334155;">{ttl} minutos</strong>.
</p>
<p style="margin:0;font-size:13px;line-height:1.6;color:#94a3b8;">
Si no has creado esta cuenta, ignora este mensaje. Nadie más podrá usar tu correo sin el código.
</p>
</td>
</tr>
<tr>
<td style="padding:24px 28px;background-color:#f8fafc;border-top:1px solid #f1f5f9;">
<table role="presentation" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td>
<p style="margin:0 0 6px;">
<span style="font-size:16px;font-weight:900;color:#1e293b;">Deck of Cards</span>
<span style="display:inline-block;margin-left:8px;padding:4px 8px;background-color:#eff6ff;color:#1d4ed8;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:0.1em;border-radius:6px;">
Software Científico
</span>
</p>
<p style="margin:0 0 16px;font-size:13px;line-height:1.5;color:#64748b;max-width:480px;">
Plataforma web para la elicitación de escalas de valor y construcción de conjuntos difusos interpretables (DoC-MF).
</p>
<p style="margin:0 0 8px;font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:0.15em;">
© {year} Deck of Cards App.
</p>
<p style="margin:0;font-size:10px;line-height:1.5;color:#94a3b8;">
Basado en la metodología DoC-MF (D. García-Zamora, B. Dutta, J.R. Figueira y L. Martínez, EJOR, 2024).
</p>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>"""
def send_verification_email(recipient_email: str, username: str, code: str) -> bool:
smtp_host = os.getenv("SMTP_HOST")
if not smtp_host:
print(
"[email-verification] SMTP_HOST no configurado. "
f"Código para {recipient_email}: {code}"
)
return False
smtp_port = int(os.getenv("SMTP_PORT", "587"))
smtp_username = os.getenv("SMTP_USERNAME")
smtp_password = os.getenv("SMTP_PASSWORD")
smtp_from_email = os.getenv("SMTP_FROM_EMAIL") or smtp_username
smtp_from_name = os.getenv("SMTP_FROM_NAME", "Deck of Cards")
use_tls = _env_bool("SMTP_USE_TLS", "true")
use_ssl = _env_bool("SMTP_USE_SSL", "false")
if not smtp_from_email:
raise RuntimeError("SMTP_FROM_EMAIL o SMTP_USERNAME debe estar configurado")
message = EmailMessage()
message["Subject"] = "Código de verificación — Deck of Cards"
message["From"] = f"{smtp_from_name} <{smtp_from_email}>"
message["To"] = recipient_email
message.set_content(_build_verification_plain(username, code))
message.add_alternative(_build_verification_html(username, code), subtype="html")
context = ssl.create_default_context()
if use_ssl:
with smtplib.SMTP_SSL(smtp_host, smtp_port, context=context) as server:
if smtp_username and smtp_password:
server.login(smtp_username, smtp_password)
server.send_message(message)
else:
with smtplib.SMTP(smtp_host, smtp_port) as server:
if use_tls:
server.starttls(context=context)
if smtp_username and smtp_password:
server.login(smtp_username, smtp_password)
server.send_message(message)
return True
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