feat: included 2FA and lots of feature from django-htmx-template

.gitea/workflows/test-build.yaml

@@ -30,6 +30,9 @@ jobs:
       - name: Install dependencies
         run: uv pip install --system -r pyproject.toml --group=dev
 
+      - name: Lint
+        run: uv run ruff check .
+
       - name: Compile translations
         run: uv run python manage.py compilemessages
 

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.16.7
+    hooks:
+      # Solo lint (--fix incluido): el formateador de ruff no se activa
+      # aquí a propósito, ver [tool.ruff.format] en pyproject.toml — el
+      # proyecto usa un estilo de wrapping más compacto del que aplicaría
+      # `ruff format` por defecto, y forzarlo reescribiría archivos enteros
+      # sin que nadie lo haya pedido. `ruff format` sigue disponible a mano
+      # (`make format`) para quien quiera adoptarlo.
+      - id: ruff
+        args: [--fix]
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-merge-conflict
+      - id: check-added-large-files

Dockerfile

@@ -16,30 +16,11 @@ ARG gid=1001
 
 RUN addgroup -S ${user} && adduser -S ${user} -G ${user} -u ${uid} -s /bin/sh
 
-# pango + ttf-dejavu: librerías nativas que weasyprint necesita en tiempo de
-# ejecución (no al instalar el paquete Python, que ya funciona sin esto) para
-# poder generar el PDF del patrón (ver PatternPdfView); sin fuentes
-# instaladas, Pango no tiene nada que medir/dibujar y WeasyPrint termina
-# haciendo segfault en vez de fallar con un error legible.
-# gettext: msgfmt, para compilemessages en build.sh.
-# Sin gcc ni libpq-dev: psycopg[binary] (ver pyproject.toml) trae su propio
-# libpq ya compilado dentro de la wheel (hay una para musllinux_x86_64,
-# justo lo que necesita esta imagen), así que no hace falta ni compilar
-# nada ni que psycopg encuentre una libpq del sistema en tiempo de
-# ejecución. Probado a mano (build+run real): "import psycopg" funciona
-# sin ninguno de los dos.
 RUN apk add --no-cache gettext pango ttf-dejavu
 RUN chown -R ${user}:${user} /code
 
 COPY --chown=${user}:${user} . /code
 
-# libstdc++/libgcc: solo los necesita en tiempo de ejecución el binario de
-# Tailwind (ver build_pattern_detail_css, dentro de build.sh) para generar
-# pattern-detail.css, no la app en sí; "--virtual" + "apk del" en la misma
-# capa para que no se queden en la imagen final (build.sh además borra el
-# propio binario de Tailwind al terminar, ver scripts/build.sh). build.sh
-# se ejecuta como ${user} (no root), aunque este RUN empiece como root
-# para poder instalar/desinstalar el paquete virtual.
 RUN apk add --no-cache --virtual .tailwind-runtime libstdc++ libgcc \
     && su ${user} -c "sh ./scripts/build.sh" \
     && apk del .tailwind-runtime

Makefile

@@ -0,0 +1,53 @@
+.DEFAULT_GOAL := help
+
+.PHONY: help install run migrate makemigrations collectstatic superuser shell \
+	test coverage lint format messages compilemessages \
+	precommit-install precommit
+
+help: ## Muestra esta ayuda
+	@grep -E '^[a-zA-Z0-9_-]+:.*## ' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*## "}; {printf "  \033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+install: ## Instala dependencias (incluidas las de desarrollo)
+	uv sync --group dev
+
+run: ## Arranca el servidor de desarrollo
+	uv run python manage.py runserver 0.0.0.0:8000
+
+migrate: ## Aplica las migraciones pendientes
+	uv run python manage.py migrate
+
+makemigrations: ## Genera migraciones a partir de cambios en los modelos
+	uv run python manage.py makemigrations
+
+collectstatic: ## Recopila los archivos estáticos
+	uv run python manage.py collectstatic --noinput
+
+superuser: ## Crea un superusuario (para /admin/)
+	uv run python manage.py createsuperuser
+
+shell: ## Abre una shell de Django (django-extensions shell_plus si está instalado)
+	uv run python manage.py shell_plus
+
+test: ## Ejecuta la suite de tests
+	uv run pytest
+
+coverage: ## Ejecuta los tests con cobertura
+	uv run pytest --cov
+
+lint: ## Comprueba estilo/errores con ruff (no modifica nada)
+	uv run ruff check .
+
+format: ## Aplica el formateador de ruff (ver [tool.ruff.format] en pyproject.toml)
+	uv run ruff format .
+
+messages: ## Regenera las cadenas traducibles (es/en)
+	uv run python manage.py makemessages -l es -l en
+
+compilemessages: ## Compila las traducciones (.po -> .mo)
+	uv run python manage.py compilemessages
+
+precommit-install: ## Instala el hook de pre-commit en este repo
+	uv run pre-commit install
+
+precommit: ## Ejecuta todos los hooks de pre-commit sobre el repo entero
+	uv run pre-commit run --all-files

README.md

@@ -16,11 +16,12 @@ cuentas de usuario para guardar y gestionar los propios patrones.
   impresión del navegador.
 - **Vista de solo lectura compartible** (`pattern/<uuid>/`), sin necesidad
   de cuenta ni de cargar el editor.
-- **Cuentas de usuario**: registro (con email, necesario para poder
-  recuperar la contraseña), login/logout, ajustes de cuenta (cambiar
-  email/contraseña, con HTMX) y recuperación de contraseña por email.
-  Cada patrón pertenece a quien lo creó; solo su propietario puede
-  editarlo o borrarlo.
+- **Cuentas de usuario**: registro con verificación de email, login/logout
+  (con verificación en dos pasos opcional por TOTP + códigos de respaldo),
+  ajustes de cuenta (cambiar email/contraseña, con HTMX) y recuperación de
+  contraseña por email. Login, registro y recuperación de contraseña están
+  protegidos contra fuerza bruta (`django-ratelimit`). Cada patrón
+  pertenece a quien lo creó; solo su propietario puede editarlo o borrarlo.
 - **"Mis patrones"**: listado de los patrones propios con portada, fecha de
   actualización y accesos directos a editar/ver/eliminar.
 - **i18n completo** (español/inglés): interfaz, URLs traducidas
@@ -123,6 +124,42 @@ WeasyPrint y ejecuta `scripts/build.sh` (CSS precompilado, `collectstatic`,
 `compilemessages`) al construir la imagen, y `scripts/run.sh` (Uvicorn) al
 arrancar el contenedor.
 
+### Entorno local con Postgres + S3 (Garage)
+
+`docker-compose.yml` levanta un Postgres y un
+[Garage](https://garagehq.deuxfleurs.fr/) (S3 self-hosted) para poder
+probar `S3_ENABLED` sin depender de un bucket real:
+
+```bash
+docker compose up -d
+```
+
+Con eso, en tu `.env`:
+
+```env
+DATABASE_URL=postgres://django:django@localhost:6543/django
+S3_ENABLED=True
+S3_ACCESS_KEY_ID=GKa1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6
+S3_SECRET_ACCESS_KEY=f0e1d2c3b4a5968778695a4b3c2d1e0ff0e1d2c3b4a5968778695a4b3c2d1e0f
+S3_STORAGE_BUCKET_NAME=default-bucket
+S3_ENDPOINT_URL=http://localhost:3900
+S3_REGION_NAME=garage
+S3_USE_SSL=False
+S3_ADDRESSING_STYLE=path
+```
+
+La web de administración de Garage queda en `http://localhost:3909/`
+(usuario `admin`, contraseña `garage-dev`; cámbiala en `docker-compose.yml`
+si vas a exponerla más allá de tu propia máquina).
+
+### Herramientas de desarrollo
+
+`make help` lista los atajos disponibles (`make test`, `make lint`,
+`make format`, `make messages`...). El estilo del código se comprueba con
+[ruff](https://docs.astral.sh/ruff/) (`make lint`); `make precommit-install`
+instala un hook de pre-commit que lo ejecuta automáticamente en cada
+commit.
+
 ## Variables de entorno
 
 Todas se leen en `config/settings/env.py`; sin `.env`, o si falta alguna,
@@ -137,10 +174,15 @@ se usan los valores por defecto indicados (pensados para desarrollo local).
 | `DATABASE_URL` | `sqlite:///db.sqlite3` | Formato `django-environ` (p. ej. `postgres://usuario:password@host:5432/nombre_bd`). |
 | `S3_ENABLED` | `False` | Si es `True`, los archivos subidos (imágenes de portada/patrón) se guardan en S3 en vez de en el filesystem local. |
 | `S3_ACCESS_KEY_ID` / `S3_SECRET_ACCESS_KEY` / `S3_STORAGE_BUCKET_NAME` / `S3_ENDPOINT_URL` | vacío | Credenciales del bucket, solo necesarias si `S3_ENABLED=True`. |
-| `EMAIL_BACKEND` | backend de consola | Usa `django.core.mail.backends.smtp.EmailBackend` para enviar emails de verdad (recuperación de contraseña). |
+| `S3_REGION_NAME` / `S3_USE_SSL` / `S3_ADDRESSING_STYLE` | vacío / `True` / `auto` | Para S3 compatibles que lo exigen (p. ej. Garage, ver [entorno local con Garage](#entorno-local-con-postgres--s3-garage)): región obligatoria y sin soporte de direccionamiento "virtual" por defecto. |
+| `EMAIL_BACKEND` | backend de consola | Usa `django.core.mail.backends.smtp.EmailBackend` para enviar emails de verdad (verificación de cuenta, recuperación de contraseña...). |
 | `EMAIL_HOST` / `EMAIL_HOST_USER` / `EMAIL_HOST_PASSWORD` / `EMAIL_PORT` | vacío / vacío / vacío / `587` | Credenciales SMTP, solo con el backend SMTP. |
 | `DEFAULT_FROM_EMAIL` | `webmaster@localhost` | Remitente de los emails salientes. La mayoría de proveedores SMTP rechazan enviar si no coincide con la cuenta autenticada (o un alias verificado). |
 | `SUPPORT_EMAIL` | `soporte@localhost` | Dirección de contacto que se muestra en el aviso que recibe el email anterior de una cuenta cuando alguien lo cambia (ver `EmailUpdateForm`). |
+| `SITE_NAME` | `Crochet` | Nombre mostrado en los emails de aviso de la cuenta (registro, verificación en dos pasos...). |
+| `RATELIMIT_ENABLE` | `True` | Desactiva la limitación de peticiones en login/registro/recuperación de contraseña/verificación en dos pasos (pensado para tests o depuración, no para producción). |
+| `SECURE_SSL_REDIRECT` / `SESSION_COOKIE_SECURE` / `CSRF_COOKIE_SECURE` | `False` | Actívalas en producción una vez la app esté detrás de HTTPS de verdad; en desarrollo local (HTTP plano) dejarlas activas rompe la sesión/CSRF. |
+| `SECURE_HSTS_SECONDS` / `SECURE_HSTS_INCLUDE_SUBDOMAINS` / `SECURE_HSTS_PRELOAD` | `0` / `False` / `False` | HSTS; empieza con un valor bajo (p. ej. `3600`) antes de subirlo a uno largo (p. ej. `31536000` = 1 año) — un valor largo mal configurado deja el dominio inaccesible por HTTPS durante ese tiempo. |
 | `LOG_LEVEL` | `INFO` | Nivel de log de Django y de la app (`crochet`). |
 
 Existen además `CORS_ORIGIN_WHITELIST`, `REDIS_HOST`, `REDIS_PORT`,
@@ -168,6 +210,10 @@ Como mínimo hay que ajustar, respecto al `.env` de desarrollo:
    configura `S3_ENABLED=True` y las credenciales de `S3_*` — el
    filesystem local (por defecto) no es compartido ni persistente entre
    despliegues.
+8. **HTTPS**: una vez la app esté detrás de HTTPS de verdad, activa
+   `SECURE_SSL_REDIRECT=True`, `SESSION_COOKIE_SECURE=True` y
+   `CSRF_COOKIE_SECURE=True` (y, si quieres, `SECURE_HSTS_SECONDS` — ver la
+   tabla de arriba antes de subirlo a un valor largo).
 
 La imagen Docker ya ejecuta `collectstatic`, `compilemessages` y el
 CSS precompilado al construirse, y sirve la app con Uvicorn (variables

config/settings/__init__.py

@@ -1,2 +1,2 @@
-from config.settings.env import *
 from config.settings.base import *
+from config.settings.env import *

config/settings/base.py

@@ -10,10 +10,8 @@ For the full list of config and their values, see
 https://docs.djangoproject.com/en/6.0/ref/settings/
 """
 
-from pathlib import Path
 from config.settings.env import *
 
-
 # Application definition
 
 DJANGO_APPS = [
@@ -30,6 +28,9 @@ THIRD_PARTY_APPS = [
     'django_extensions',
     'django_filters',
     'django_htmx',
+    'django_otp',
+    'django_otp.plugins.otp_totp',
+    'django_otp.plugins.otp_static',
     'watchman',
 ]
 
@@ -54,6 +55,7 @@ MIDDLEWARE = [
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django_otp.middleware.OTPMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
     'django_htmx.middleware.HtmxMiddleware',
@@ -79,6 +81,7 @@ TEMPLATES = [
                 'django.template.context_processors.request',
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
+                'crochet.context_processors.site_name',
             ],
         },
     },
@@ -102,6 +105,11 @@ LOGIN_URL = 'crochet:login'
 LOGIN_REDIRECT_URL = 'crochet:home'
 LOGOUT_REDIRECT_URL = 'crochet:login'
 
+# Nombre que muestran apps como Google Authenticator/Aegis junto al usuario
+# al escanear el QR de alta de verificación en dos pasos (ver
+# TOTPDevice.config_url, crochet/views.py).
+OTP_TOTP_ISSUER = SITE_NAME
+
 
 # Password validation
 # https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators
@@ -165,6 +173,15 @@ EMAIL_USE_TLS = True
 EMAIL_USE_SSL = False
 
 
+# Security
+# https://docs.djangoproject.com/en/6.0/topics/security/
+# SECURE_SSL_REDIRECT/SESSION_COOKIE_SECURE/CSRF_COOKIE_SECURE/SECURE_HSTS_*
+# se leen de env.py (ver env.py): desactivados por defecto porque asumen
+# HTTPS, que no hay en desarrollo local. SECURE_CONTENT_TYPE_NOSNIFF no
+# depende de eso (no rompe nada servir por HTTP), así que va fijo aquí.
+SECURE_CONTENT_TYPE_NOSNIFF = True
+
+
 # Logging
 # https://docs.djangoproject.com/en/6.0/topics/logging/
 

config/settings/env.py

@@ -35,6 +35,13 @@ AWS_ACCESS_KEY_ID = env.str('S3_ACCESS_KEY_ID', '')
 AWS_SECRET_ACCESS_KEY = env.str('S3_SECRET_ACCESS_KEY', '')
 AWS_STORAGE_BUCKET_NAME = env.str('S3_STORAGE_BUCKET_NAME', '')
 AWS_S3_ENDPOINT_URL = env.str('S3_ENDPOINT_URL', '')
+# Compatibilidad con Garage (ver docker-compose.yml/garage.toml, S3
+# self-hosted para desarrollo local): a diferencia de AWS S3, exige indicar
+# la región a mano y no soporta el estilo de direccionamiento "virtual"
+# (bucket como subdominio) por defecto.
+AWS_S3_REGION_NAME = env.str('S3_REGION_NAME', '')
+AWS_S3_USE_SSL = env.bool('S3_USE_SSL', True)
+AWS_S3_ADDRESSING_STYLE = env.str('S3_ADDRESSING_STYLE', 'auto')
 
 ITEMS_PER_PAGE = env.int('ITEMS_PER_PAGE', 20)
 
@@ -49,4 +56,34 @@ DEFAULT_FROM_EMAIL = env.str('DEFAULT_FROM_EMAIL', 'webmaster@localhost')
 # EmailUpdateForm) por si el cambio no lo ha hecho él.
 SUPPORT_EMAIL = env.str('SUPPORT_EMAIL', 'soporte@localhost')
 
+# Nombre mostrado en el navbar, el <title> y los emails de aviso de la
+# cuenta (ver EmailUpdateForm/StyledPasswordChangeForm/AccountDeleteForm).
+SITE_NAME = env.str('SITE_NAME', 'Crochet')
+
 LOG_LEVEL = env.str('LOG_LEVEL', 'INFO')
+
+# Limitación de peticiones (ver crochet/views.py: login, registro,
+# recuperación de contraseña y verificación en dos pasos) con
+# django-ratelimit. Usa el cache framework de Django (settings.CACHES,
+# "default" por defecto: LocMemCache si no se configura otra cosa) para
+# contar peticiones; LocMemCache es propio de cada proceso, así que con
+# más de un worker/instancia en producción el límite real es "por
+# proceso", no global — configura ahí un backend compartido (Redis,
+# Memcached) si eso te importa.
+RATELIMIT_ENABLE = env.bool('RATELIMIT_ENABLE', True)
+
+# Cabeceras/cookies de seguridad para servir por HTTPS en producción. Todo
+# esto viene desactivado por defecto porque en desarrollo local se sirve
+# por HTTP plano (activarlo ahí dejaría la app inaccesible o el navegador
+# descartando las cookies de sesión/CSRF). Actívalo en el .env de
+# producción una vez la app esté detrás de HTTPS de verdad.
+SECURE_SSL_REDIRECT = env.bool('SECURE_SSL_REDIRECT', False)
+SESSION_COOKIE_SECURE = env.bool('SESSION_COOKIE_SECURE', False)
+CSRF_COOKIE_SECURE = env.bool('CSRF_COOKIE_SECURE', False)
+# En segundos; 0 desactiva HSTS. Empieza bajo (p. ej. 3600) para probar en
+# producción antes de subirlo a un valor largo (p. ej. 31536000 = 1 año):
+# un valor largo con la configuración equivocada deja el dominio
+# inaccesible por HTTPS durante ese tiempo para quien ya lo haya recibido.
+SECURE_HSTS_SECONDS = env.int('SECURE_HSTS_SECONDS', 0)
+SECURE_HSTS_INCLUDE_SUBDOMAINS = env.bool('SECURE_HSTS_INCLUDE_SUBDOMAINS', False)
+SECURE_HSTS_PRELOAD = env.bool('SECURE_HSTS_PRELOAD', False)

config/urls.py

@@ -17,7 +17,7 @@ Including another URLconf
 from django.conf import settings
 from django.conf.urls.i18n import i18n_patterns
 from django.contrib import admin
-from django.urls import path, include
+from django.urls import include, path
 from django.views.static import serve
 
 urlpatterns = [

conftest.py

@@ -1,10 +1,24 @@
 import tempfile
 
 import pytest
+from django.core.cache import cache
 from django.core.management import call_command
 from django.test import override_settings
 
 
+@pytest.fixture(autouse=True)
+def clear_ratelimit_cache():
+    """django-ratelimit (ver LOGIN_RATE/REGISTER_RATE/PASSWORD_RESET_RATE en
+    crochet/views.py) cuenta peticiones en el cache framework de Django, que
+    -a diferencia de la base de datos- no se resetea solo entre tests; sin
+    esto, tests de distintos módulos que llaman a la misma vista (login,
+    registro...) irían sumando al mismo contador y algún test acabaría
+    recibiendo un 403 por límite alcanzado en vez del resultado que espera,
+    según en qué orden se ejecuten."""
+    cache.clear()
+    yield
+
+
 @pytest.fixture(scope='session', autouse=True)
 def collected_static_files():
     """{% static %} (usado en pattern.html/pattern_detail.html) necesita el

crochet/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from crochet.models import Pattern, PatternImage, StitchType
+from crochet.models import Pattern, PatternImage, StitchType, TwoFactorRememberedDevice
 
 
 class PatternImageInline(admin.TabularInline):
@@ -26,3 +26,11 @@ class PatternImageAdmin(admin.ModelAdmin):
 class StitchTypeAdmin(admin.ModelAdmin):
     list_display = ('__str__', 'order')
     list_editable = ('order',)
+
+
+@admin.register(TwoFactorRememberedDevice)
+class TwoFactorRememberedDeviceAdmin(admin.ModelAdmin):
+    list_display = ('user', 'device_name', 'created_at', 'expires_at')
+    list_filter = ('device_name',)
+    search_fields = ('user__username', 'device_name')
+    readonly_fields = ('token', 'created_at')

crochet/context_processors.py

@@ -0,0 +1,5 @@
+from django.conf import settings
+
+
+def site_name(request):
+    return {'site_name': settings.SITE_NAME}

crochet/forms.py

@@ -68,7 +68,7 @@ class StyledPasswordChangeForm(PasswordChangeForm):
         # "anterior" distinta: el aviso va al propio email de la cuenta.
         # Sin email no hay a quién avisar (cuentas antiguas sin uno).
         if user.email:
-            context = {'user': user, 'site_name': 'Crochet', 'support_email': settings.SUPPORT_EMAIL}
+            context = {'user': user, 'site_name': settings.SITE_NAME, 'support_email': settings.SUPPORT_EMAIL}
             _send_account_notice(
                 'crochet/email/password_changed_subject.txt',
                 'crochet/email/password_changed_notice.txt',
@@ -109,7 +109,10 @@ class EmailUpdateForm(forms.Form):
         # todavía puede leerlo. Si no había email antes, o si "cambiar" no
         # ha cambiado nada, no hay a quién avisar ni de qué.
         if old_email and old_email != self.user.email:
-            context = {'user': self.user, 'old_email': old_email, 'site_name': 'Crochet', 'support_email': settings.SUPPORT_EMAIL}
+            context = {
+                'user': self.user, 'old_email': old_email,
+                'site_name': settings.SITE_NAME, 'support_email': settings.SUPPORT_EMAIL,
+            }
             _send_account_notice(
                 'crochet/email/email_changed_subject.txt',
                 'crochet/email/email_changed_notice.txt',
@@ -138,6 +141,48 @@ class DisplayNameForm(forms.Form):
         self.user.save(update_fields=['first_name'])
 
 
+class TwoFactorTokenForm(forms.Form):
+    # Un único campo de texto tanto para el código de 6 dígitos de la app
+    # (TOTP) como para un código de respaldo (StaticDevice): cuál de los
+    # dos es se decide al verificarlo (ver TwoFactorVerifyView/
+    # TwoFactorSetupView en crochet/views.py), no aquí. autocomplete
+    # "one-time-code" es el valor estándar para que el navegador/gestor de
+    # contraseñas ofrezca autorrellenar con el código recibido, si puede.
+    token = forms.CharField(
+        label=_('Código'),
+        widget=forms.TextInput(attrs={'class': INPUT_CLASSES, 'autocomplete': 'one-time-code'}),
+    )
+
+
+class TwoFactorVerifyForm(TwoFactorTokenForm):
+    # Solo en el login (ver TwoFactorVerifyView), no en el alta
+    # (TwoFactorSetupView reusa TwoFactorTokenForm sin este campo): ahí no
+    # tiene sentido "recordar" un dispositivo que todavía se está
+    # configurando.
+    remember_device = forms.BooleanField(
+        label=_('Recordar este dispositivo 30 días'),
+        required=False,
+        widget=forms.CheckboxInput(attrs={'class': 'checkbox checkbox-sm'}),
+    )
+
+
+class TwoFactorDisableForm(forms.Form):
+    password = forms.CharField(
+        label=_('Contraseña'),
+        widget=forms.PasswordInput(attrs={'class': INPUT_CLASSES}),
+    )
+
+    def __init__(self, *args, user, **kwargs):
+        self.user = user
+        super().__init__(*args, **kwargs)
+
+    def clean_password(self):
+        password = self.cleaned_data['password']
+        if not self.user.check_password(password):
+            raise forms.ValidationError(_('Contraseña incorrecta.'))
+        return password
+
+
 class AccountDeleteForm(forms.Form):
     password = forms.CharField(
         label=_('Contraseña'), widget=forms.PasswordInput(attrs={'class': INPUT_CLASSES}),
@@ -157,7 +202,7 @@ class AccountDeleteForm(forms.Form):
         # Antes de borrar la cuenta (ver AccountDeleteView), mientras el
         # email todavía existe. Sin email no hay a quién avisar.
         if self.user.email:
-            context = {'user': self.user, 'site_name': 'Crochet', 'support_email': settings.SUPPORT_EMAIL}
+            context = {'user': self.user, 'site_name': settings.SITE_NAME, 'support_email': settings.SUPPORT_EMAIL}
             _send_account_notice(
                 'crochet/email/account_deleted_subject.txt',
                 'crochet/email/account_deleted_notice.txt',

crochet/locale/en/LC_MESSAGES/django.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: crochet\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-07-22 08:53+0000\n"
+"POT-Creation-Date: 2026-09-16 11:16+0000\n"
 "Language: en\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -13,18 +13,134 @@ msgstr ""
 msgid "Email"
 msgstr "Email"
 
-#: crochet/forms.py:128 crochet/templates/crochet/account_settings.html:40
+#: crochet/forms.py:131 crochet/templates/crochet/account_settings.html:40
 msgid "Nombre para mostrar"
 msgstr "Display name"
 
-#: crochet/forms.py:143
+#: crochet/forms.py:152
+msgid "Código"
+msgstr "Code"
+
+#: crochet/forms.py:163
+msgid "Recordar este dispositivo 30 días"
+msgstr "Remember this device for 30 days"
+
+#: crochet/forms.py:171 crochet/forms.py:188
 msgid "Contraseña"
 msgstr "Password"
 
-#: crochet/forms.py:153
+#: crochet/forms.py:182 crochet/forms.py:198
 msgid "Contraseña incorrecta."
 msgstr "Incorrect password."
 
+#: crochet/templates/403.html:9 crochet/templates/403.html:19
+msgid "Acceso denegado"
+msgstr "Access denied"
+
+#: crochet/templates/403.html:21
+msgid ""
+"No tienes permiso para ver esta página, o se han hecho demasiadas peticiones "
+"seguidas desde aquí."
+msgstr ""
+"You don't have permission to view this page, or too many requests have been "
+"made in a row from here."
+
+#: crochet/templates/403.html:24 crochet/templates/404.html:19
+#: crochet/templates/500.html:64
+#: crochet/templates/crochet/cookie_policy.html:54
+msgid "Volver al inicio"
+msgstr "Back to home"
+
+#: crochet/templates/404.html:4 crochet/templates/404.html:14
+msgid "Página no encontrada"
+msgstr "Page not found"
+
+#: crochet/templates/404.html:16
+msgid "La página que buscas no existe o se ha movido."
+msgstr "The page you're looking for doesn't exist or has moved."
+
+#: crochet/templates/500.html:15
+msgid "Error del servidor"
+msgstr "Server error"
+
+#: crochet/templates/500.html:62
+msgid "Vaya, algo ha ido mal"
+msgstr "Oops, something went wrong"
+
+#: crochet/templates/500.html:63
+msgid "Ha ocurrido un error inesperado. Prueba a recargar en un momento."
+msgstr "An unexpected error occurred. Try reloading in a moment."
+
+#: crochet/templates/crochet/_account_2fa_status.html:11
+msgid "Activada"
+msgstr "Enabled"
+
+#: crochet/templates/crochet/_account_2fa_status.html:17
+#: crochet/templates/crochet/_account_2fa_status.html:90
+msgid "Desactivar"
+msgstr "Disable"
+
+#: crochet/templates/crochet/_account_2fa_status.html:23
+msgid "Dispositivos recordados"
+msgstr "Remembered devices"
+
+#: crochet/templates/crochet/_account_2fa_status.html:29
+#, python-format
+msgid "desde el %(date)s"
+msgstr "since %(date)s"
+
+#: crochet/templates/crochet/_account_2fa_status.html:33
+msgid "Olvidar este dispositivo"
+msgstr "Forget this device"
+
+#: crochet/templates/crochet/_account_2fa_status.html:42
+msgid "¿Olvidar este dispositivo?"
+msgstr "Forget this device?"
+
+#: crochet/templates/crochet/_account_2fa_status.html:44
+#, python-format
+msgid ""
+"La próxima vez que inicies sesión desde \"%(name)s\" volverá a pedirse el "
+"código de verificación en dos pasos."
+msgstr ""
+"Next time you log in from \"%(name)s\" you'll be asked for the two-factor "
+"code again."
+
+#: crochet/templates/crochet/_account_2fa_status.html:54
+#: crochet/templates/crochet/_account_2fa_status.html:88
+#: crochet/templates/crochet/two_factor_setup.html:45
+msgid "Cancelar"
+msgstr "Cancel"
+
+#: crochet/templates/crochet/_account_2fa_status.html:56
+msgid "Olvidar"
+msgstr "Forget"
+
+#: crochet/templates/crochet/_account_2fa_status.html:59
+#: crochet/templates/crochet/_account_2fa_status.html:94
+msgid "Cerrar"
+msgstr "Close"
+
+#: crochet/templates/crochet/_account_2fa_status.html:68
+msgid "Desactivar verificación en dos pasos"
+msgstr "Disable two-factor authentication"
+
+#: crochet/templates/crochet/_account_2fa_status.html:70
+msgid ""
+"Confirma tu contraseña para desactivarla. Se olvidarán también todos los "
+"dispositivos recordados."
+msgstr ""
+"Confirm your password to disable it. All remembered devices will also be "
+"forgotten."
+
+#: crochet/templates/crochet/_account_2fa_status.html:98
+msgid "Desactivada"
+msgstr "Disabled"
+
+#: crochet/templates/crochet/_account_2fa_status.html:99
+msgid "Activar"
+msgstr "Enable"
+
 #: crochet/templates/crochet/_account_delete_form.html:9
 msgid ""
 "¿Seguro que quieres eliminar tu cuenta? Se borrarán también todos tus "
@@ -34,7 +150,7 @@ msgstr ""
 "deleted. This action cannot be undone."
 
 #: crochet/templates/crochet/_account_delete_form.html:19
-#: crochet/templates/crochet/account_settings.html:68
+#: crochet/templates/crochet/account_settings.html:78
 msgid "Eliminar cuenta"
 msgstr "Delete account"
 
@@ -109,12 +225,12 @@ msgid "Actualizado el %(date)s"
 msgstr "Updated on %(date)s"
 
 #: crochet/templates/crochet/account_home.html:44
-#: crochet/templates/crochet/pattern.html:182
+#: crochet/templates/crochet/pattern.html:156
 msgid "Vista previa"
 msgstr "Preview"
 
 #: crochet/templates/crochet/account_home.html:48
-#: crochet/templates/crochet/pattern.html:55
+#: crochet/templates/crochet/pattern.html:46
 msgid "Eliminar"
 msgstr "Delete"
 
@@ -124,7 +240,7 @@ msgstr "You don't have any patterns yet."
 
 #: crochet/templates/crochet/account_settings.html:4
 #: crochet/templates/crochet/account_settings.html:18
-#: crochet/templates/crochet/base.html:52
+#: crochet/templates/crochet/base.html:62
 msgid "Ajustes de la cuenta"
 msgstr "Account settings"
 
@@ -140,19 +256,37 @@ msgstr "Security"
 msgid "Zona de peligro"
 msgstr "Danger zone"
 
-#: crochet/templates/crochet/account_settings.html:70
+#: crochet/templates/crochet/account_settings.html:63
+#: crochet/templates/registration/two_factor_verify.html:4
+#: crochet/templates/registration/two_factor_verify.html:14
+msgid "Verificación en dos pasos"
+msgstr "Two-factor authentication"
+
+#: crochet/templates/crochet/account_settings.html:65
+msgid ""
+"Pide un código de tu app de autenticación (Google Authenticator, Aegis...) "
+"además de la contraseña al iniciar sesión."
+msgstr ""
+"Ask for a code from your authenticator app (Google Authenticator, Aegis...) "
+"in addition to your password when logging in."
+
+#: crochet/templates/crochet/account_settings.html:80
 msgid "Esto borrará tu cuenta y todos tus patrones de forma permanente."
 msgstr "This will permanently delete your account and all your patterns."
 
-#: crochet/templates/crochet/base.html:39
+#: crochet/templates/crochet/base.html:37
+msgid "Cambiar tema"
+msgstr "Change theme"
+
+#: crochet/templates/crochet/base.html:49
 msgid "Cambiar idioma"
 msgstr "Change language"
 
-#: crochet/templates/crochet/base.html:56
+#: crochet/templates/crochet/base.html:66
 msgid "Cerrar sesión"
 msgstr "Log out"
 
-#: crochet/templates/crochet/base.html:62
+#: crochet/templates/crochet/base.html:72
 #: crochet/templates/crochet/home.html:25
 #: crochet/templates/crochet/password_reset_complete.html:18
 #: crochet/templates/registration/login.html:4
@@ -225,10 +359,6 @@ msgstr ""
 "Both are technical cookies necessary for the site to work (logging in and "
 "protecting forms), so they don't require your prior consent."
 
-#: crochet/templates/crochet/cookie_policy.html:54
-msgid "Volver al inicio"
-msgstr "Back to home"
-
 #: crochet/templates/crochet/email/account_deleted_notice.html:4
 #: crochet/templates/crochet/email/account_deleted_subject.txt:1
 #, python-format
@@ -251,6 +381,8 @@ msgstr ""
 #: crochet/templates/crochet/email/email_changed_notice.txt:4
 #: crochet/templates/crochet/email/password_changed_notice.html:12
 #: crochet/templates/crochet/email/password_changed_notice.txt:4
+#: crochet/templates/crochet/email/verify_email.html:19
+#: crochet/templates/crochet/email/verify_email.txt:7
 msgid "Tu usuario:"
 msgstr "Your username:"
 
@@ -333,6 +465,34 @@ msgstr "Your username, in case you've forgotten:"
 msgid "Si no has solicitado este cambio, puedes ignorar este email."
 msgstr "If you didn't request this change, you can ignore this email."
 
+#: crochet/templates/crochet/email/verify_email.html:4
+msgid "Confirma tu cuenta"
+msgstr "Confirm your account"
+
+#: crochet/templates/crochet/email/verify_email.html:8
+#: crochet/templates/crochet/email/verify_email.txt:2
+#, python-format
+msgid "Has recibido este email porque te has registrado en %(site_name)s."
+msgstr "You're receiving this email because you signed up for %(site_name)s."
+
+#: crochet/templates/crochet/email/verify_email.html:14
+msgid "Confirmar cuenta"
+msgstr "Confirm account"
+
+#: crochet/templates/crochet/email/verify_email.html:23
+#: crochet/templates/crochet/email/verify_email.txt:9
+msgid "Si no has sido tú, puedes ignorar este email."
+msgstr "If this wasn't you, you can ignore this email."
+
+#: crochet/templates/crochet/email/verify_email.txt:4
+msgid "Sigue este enlace para confirmar tu cuenta:"
+msgstr "Follow this link to confirm your account:"
+
+#: crochet/templates/crochet/email/verify_email_subject.txt:1
+#, python-format
+msgid "Confirma tu cuenta en %(site_name)s"
+msgstr "Confirm your account on %(site_name)s"
+
 #: crochet/templates/crochet/home.html:4
 msgid "Crochet — Crea y comparte tus patrones"
 msgstr "Crochet — Create and share your patterns"
@@ -403,6 +563,8 @@ msgid "Elige una contraseña nueva"
 msgstr "Choose a new password"
 
 #: crochet/templates/crochet/password_reset_confirm.html:33
+#: crochet/templates/registration/verify_email_invalid.html:4
+#: crochet/templates/registration/verify_email_invalid.html:14
 msgid "Enlace no válido"
 msgstr "Invalid link"
 
@@ -419,6 +581,7 @@ msgid "Solicitar un enlace nuevo"
 msgstr "Request a new link"
 
 #: crochet/templates/crochet/password_reset_done.html:14
+#: crochet/templates/registration/register_done.html:14
 msgid "Revisa tu email"
 msgstr "Check your email"
 
@@ -432,6 +595,8 @@ msgstr ""
 
 #: crochet/templates/crochet/password_reset_done.html:19
 #: crochet/templates/crochet/password_reset_form.html:32
+#: crochet/templates/registration/register_done.html:19
+#: crochet/templates/registration/two_factor_verify.html:33
 msgid "Volver a iniciar sesión"
 msgstr "Back to login"
 
@@ -453,245 +618,245 @@ msgstr "Send link"
 msgid "Recupera tu contraseña en %(site_name)s"
 msgstr "Reset your password on %(site_name)s"
 
-#: crochet/templates/crochet/pattern.html:26
-msgid "Idioma del patrón"
-msgstr "Pattern language"
-
-# crochet/templates/crochet/pattern.html
-#: crochet/templates/crochet/pattern.html:38
-msgid "No se ha podido guardar. Inténtalo de nuevo."
-msgstr "Couldn't save. Please try again."
-
-#: crochet/templates/crochet/pattern.html:38
-msgid "Guardar"
-msgstr "Save"
-
-#: crochet/templates/crochet/pattern.html:41
-msgid "Ver patrón"
-msgstr "View pattern"
-
-#: crochet/templates/crochet/pattern.html:42
-msgid "Exportar a PDF"
-msgstr "Export to PDF"
-
-#: crochet/templates/crochet/pattern.html:49
-msgid "Más opciones"
-msgstr "More options"
-
-#: crochet/templates/crochet/pattern.html:65
-msgid "Guardado"
-msgstr "Saved"
-
-#: crochet/templates/crochet/pattern.html:78
+#: crochet/templates/crochet/pattern.html:23
 msgid "Título del patrón"
 msgstr "Pattern title"
 
-#: crochet/templates/crochet/pattern.html:79
+#: crochet/templates/crochet/pattern.html:24
 msgid "Título del patrón..."
 msgstr "Pattern title..."
 
-#: crochet/templates/crochet/pattern.html:82
+# crochet/templates/crochet/pattern.html
+#: crochet/templates/crochet/pattern.html:29
+msgid "No se ha podido guardar. Inténtalo de nuevo."
+msgstr "Couldn't save. Please try again."
+
+#: crochet/templates/crochet/pattern.html:29
+msgid "Guardar"
+msgstr "Save"
+
+#: crochet/templates/crochet/pattern.html:32
+msgid "Ver patrón"
+msgstr "View pattern"
+
+#: crochet/templates/crochet/pattern.html:33
+msgid "Exportar a PDF"
+msgstr "Export to PDF"
+
+#: crochet/templates/crochet/pattern.html:40
+msgid "Más opciones"
+msgstr "More options"
+
+#: crochet/templates/crochet/pattern.html:56
+msgid "Guardado"
+msgstr "Saved"
+
+#: crochet/templates/crochet/pattern.html:64
 msgid "Imagen de portada"
 msgstr "Cover image"
 
-#: crochet/templates/crochet/pattern.html:95
+#: crochet/templates/crochet/pattern.html:73
 msgid "Añadir imagen"
 msgstr "Add image"
 
-#: crochet/templates/crochet/pattern.html:98
+#: crochet/templates/crochet/pattern.html:76
 msgid "Cambiar"
 msgstr "Change"
 
-#: crochet/templates/crochet/pattern.html:103
+#: crochet/templates/crochet/pattern.html:81
 msgid "No se ha podido subir la imagen de portada. Inténtalo de nuevo."
 msgstr "Couldn't upload the cover image. Please try again."
 
-#: crochet/templates/crochet/pattern.html:114
+#: crochet/templates/crochet/pattern.html:88
 msgid "Personalización de página"
 msgstr "Page customization"
 
-#: crochet/templates/crochet/pattern.html:117
+#: crochet/templates/crochet/pattern.html:91
 msgid "Autor"
 msgstr "Author"
 
-#: crochet/templates/crochet/pattern.html:118
+#: crochet/templates/crochet/pattern.html:92
 msgid "Autor..."
 msgstr "Author..."
 
-#: crochet/templates/crochet/pattern.html:122
-#: crochet/templates/crochet/pattern.html:206
+#: crochet/templates/crochet/pattern.html:96
+#: crochet/templates/crochet/pattern.html:191
 msgid "Color del texto"
 msgstr "Text color"
 
-#: crochet/templates/crochet/pattern.html:126
+#: crochet/templates/crochet/pattern.html:100
 msgid "Color de acento (títulos)"
 msgstr "Accent color (headings)"
 
-#: crochet/templates/crochet/pattern.html:130
-#: crochet/templates/crochet/pattern.html:206
+#: crochet/templates/crochet/pattern.html:104
+#: crochet/templates/crochet/pattern.html:191
 msgid "Color de fondo"
 msgstr "Background color"
 
-#: crochet/templates/crochet/pattern.html:134
+#: crochet/templates/crochet/pattern.html:108
 msgid "Tipografía"
 msgstr "Font"
 
-#: crochet/templates/crochet/pattern.html:140
+#: crochet/templates/crochet/pattern.html:114
 msgid "Monoespaciada"
 msgstr "Monospace"
 
-#: crochet/templates/crochet/pattern.html:144
+#: crochet/templates/crochet/pattern.html:118
 msgid "Tamaño de letra"
 msgstr "Font size"
 
-#: crochet/templates/crochet/pattern.html:146
+#: crochet/templates/crochet/pattern.html:120
 msgid "Pequeño"
 msgstr "Small"
 
-#: crochet/templates/crochet/pattern.html:147
+#: crochet/templates/crochet/pattern.html:121
 msgid "Normal"
 msgstr "Normal"
 
-#: crochet/templates/crochet/pattern.html:148
+#: crochet/templates/crochet/pattern.html:122
 msgid "Grande"
 msgstr "Large"
 
-#: crochet/templates/crochet/pattern.html:152
+#: crochet/templates/crochet/pattern.html:126
 msgid "Alineación del texto"
 msgstr "Text alignment"
 
-#: crochet/templates/crochet/pattern.html:154
+#: crochet/templates/crochet/pattern.html:128
 msgid "Izquierda"
 msgstr "Left"
 
-#: crochet/templates/crochet/pattern.html:155
+#: crochet/templates/crochet/pattern.html:129
 msgid "Centrado"
 msgstr "Center"
 
-#: crochet/templates/crochet/pattern.html:156
+#: crochet/templates/crochet/pattern.html:130
 msgid "Justificado"
 msgstr "Justify"
 
-#: crochet/templates/crochet/pattern.html:160
+#: crochet/templates/crochet/pattern.html:134
 msgid "Tamaño de página"
 msgstr "Page size"
 
-#: crochet/templates/crochet/pattern.html:165
+#: crochet/templates/crochet/pattern.html:139
 msgid "Carta (Letter)"
 msgstr "Letter"
 
-#: crochet/templates/crochet/pattern.html:170
+#: crochet/templates/crochet/pattern.html:144
 msgid "Orientación"
 msgstr "Orientation"
 
-#: crochet/templates/crochet/pattern.html:172
+#: crochet/templates/crochet/pattern.html:146
 msgid "Vertical"
 msgstr "Portrait"
 
-#: crochet/templates/crochet/pattern.html:173
+#: crochet/templates/crochet/pattern.html:147
 msgid "Horizontal"
 msgstr "Landscape"
 
-#: crochet/templates/crochet/pattern.html:181
-#: crochet/templates/crochet/pattern.html:189
+#: crochet/templates/crochet/pattern.html:155
+#: crochet/templates/crochet/pattern.html:174
 msgid "Secciones"
 msgstr "Sections"
 
-#: crochet/templates/crochet/pattern.html:191
+#: crochet/templates/crochet/pattern.html:166
+msgid "Idioma del patrón"
+msgstr "Pattern language"
+
+#: crochet/templates/crochet/pattern.html:176
 msgid "Colapsar todo"
 msgstr "Collapse all"
 
-#: crochet/templates/crochet/pattern.html:191
+#: crochet/templates/crochet/pattern.html:176
 msgid "Expandir todo"
 msgstr "Expand all"
 
-#: crochet/templates/crochet/pattern.html:196
+#: crochet/templates/crochet/pattern.html:181
 msgid "Añadir sección"
 msgstr "Add section"
 
-#: crochet/templates/crochet/pattern.html:199
+#: crochet/templates/crochet/pattern.html:184
 msgid "Título"
 msgstr "Title"
 
-#: crochet/templates/crochet/pattern.html:199
+#: crochet/templates/crochet/pattern.html:184
 msgid "Título..."
 msgstr "Title..."
 
-#: crochet/templates/crochet/pattern.html:201
+#: crochet/templates/crochet/pattern.html:186
 msgid "Subtítulo"
 msgstr "Subtitle"
 
-#: crochet/templates/crochet/pattern.html:201
+#: crochet/templates/crochet/pattern.html:186
 msgid "Subtítulo..."
 msgstr "Subtitle..."
 
-#: crochet/templates/crochet/pattern.html:203
+#: crochet/templates/crochet/pattern.html:188
 msgid "Texto"
 msgstr "Text"
 
-#: crochet/templates/crochet/pattern.html:203
+#: crochet/templates/crochet/pattern.html:188
 msgid "Escribe aquí..."
 msgstr "Write here..."
 
-#: crochet/templates/crochet/pattern.html:205
-#: crochet/templates/crochet/pattern.html:206
+#: crochet/templates/crochet/pattern.html:190
+#: crochet/templates/crochet/pattern.html:191
 msgid "Nota"
 msgstr "Note"
 
-#: crochet/templates/crochet/pattern.html:205
+#: crochet/templates/crochet/pattern.html:190
 msgid "Escribe una nota o consejo..."
 msgstr "Write a note or tip..."
 
-#: crochet/templates/crochet/pattern.html:208
+#: crochet/templates/crochet/pattern.html:193
 msgid "Materiales"
 msgstr "Materials"
 
-#: crochet/templates/crochet/pattern.html:208
+#: crochet/templates/crochet/pattern.html:193
 msgid "Añadir material..."
 msgstr "Add material..."
 
-#: crochet/templates/crochet/pattern.html:208
+#: crochet/templates/crochet/pattern.html:193
 msgid "Añadir línea"
 msgstr "Add line"
 
-#: crochet/templates/crochet/pattern.html:210
-#: crochet/templates/crochet/pattern.html:212
+#: crochet/templates/crochet/pattern.html:195
+#: crochet/templates/crochet/pattern.html:197
 msgid "Imagen"
 msgstr "Image"
 
-#: crochet/templates/crochet/pattern.html:212
+#: crochet/templates/crochet/pattern.html:197
 msgid "No se ha podido subir la imagen. Inténtalo de nuevo."
 msgstr "Couldn't upload the image. Please try again."
 
-#: crochet/templates/crochet/pattern.html:214
+#: crochet/templates/crochet/pattern.html:199
 msgid "Patrón"
 msgstr "Pattern"
 
-#: crochet/templates/crochet/pattern.html:214
+#: crochet/templates/crochet/pattern.html:199
 msgid "Elementos"
 msgstr "Elements"
 
-#: crochet/templates/crochet/pattern.html:216
+#: crochet/templates/crochet/pattern.html:201
 msgid "Grupo"
 msgstr "Group"
 
-#: crochet/templates/crochet/pattern.html:220
+#: crochet/templates/crochet/pattern.html:205
 msgid "Arrastrar para reordenar"
 msgstr "Drag to reorder"
 
-#: crochet/templates/crochet/pattern.html:221
+#: crochet/templates/crochet/pattern.html:206
 msgid "Colapsar / expandir"
 msgstr "Collapse / expand"
 
-#: crochet/templates/crochet/pattern.html:222
+#: crochet/templates/crochet/pattern.html:207
 msgid "Duplicar sección"
 msgstr "Duplicate section"
 
-#: crochet/templates/crochet/pattern.html:223
+#: crochet/templates/crochet/pattern.html:208
 msgid "Eliminar sección"
 msgstr "Delete section"
 
-#: crochet/templates/crochet/pattern.html:224
+#: crochet/templates/crochet/pattern.html:209
 msgid ""
 "¿Seguro que quieres eliminar este grupo? Se eliminarán también todas las "
 "secciones que contiene."
@@ -699,7 +864,7 @@ msgstr ""
 "Are you sure you want to delete this group? All sections inside it will also "
 "be deleted."
 
-#: crochet/templates/crochet/pattern.html:229
+#: crochet/templates/crochet/pattern.html:214
 msgid "Añade una sección para ver aquí el resultado."
 msgstr "Add a section to see the result here."
 
@@ -707,6 +872,40 @@ msgstr "Add a section to see the result here."
 msgid "Descargar PDF"
 msgstr "Download PDF"
 
+#: crochet/templates/crochet/two_factor_setup.html:4
+#: crochet/templates/crochet/two_factor_setup.html:26
+msgid "Activar verificación en dos pasos"
+msgstr "Enable two-factor authentication"
+
+#: crochet/templates/crochet/two_factor_setup.html:15
+msgid "Guarda tus códigos de respaldo"
+msgstr "Save your backup codes"
+
+#: crochet/templates/crochet/two_factor_setup.html:17
+msgid ""
+"Cada uno sirve para iniciar sesión una vez si pierdes acceso a tu app de "
+"autenticación. Guárdalos en un sitio seguro: no se van a volver a mostrar."
+msgstr ""
+"Each one lets you log in once if you lose access to your authenticator app. "
+"Keep them somewhere safe: they won't be shown again."
+
+#: crochet/templates/crochet/two_factor_setup.html:24
+msgid "Ya los he guardado"
+msgstr "I've saved them"
+
+#: crochet/templates/crochet/two_factor_setup.html:28
+msgid ""
+"Escanea este código con tu app de autenticación (Google Authenticator, "
+"Aegis, 1Password...) e introduce el código de 6 dígitos que te muestre para "
+"confirmar."
+msgstr ""
+"Scan this code with your authenticator app (Google Authenticator, Aegis, "
+"1Password...) and enter the 6-digit code it shows you to confirm."
+
+#: crochet/templates/crochet/two_factor_setup.html:42
+msgid "Confirmar"
+msgstr "Confirm"
+
 #: crochet/templates/registration/login.html:17
 msgid "Usuario o contraseña incorrectos."
 msgstr "Incorrect username or password."
@@ -736,96 +935,168 @@ msgstr "Sign up"
 msgid "¿Ya tienes cuenta? Inicia sesión"
 msgstr "Already have an account? Log in"
 
-#: crochet/urls.py:38
+#: crochet/templates/registration/register_done.html:4
+msgid "Confirma tu email"
+msgstr "Confirm your email"
+
+#: crochet/templates/registration/register_done.html:16
+msgid ""
+"Te hemos enviado un enlace para confirmar tu cuenta. Ábrelo desde tu bandeja "
+"de entrada para poder iniciar sesión."
+msgstr ""
+"We've sent you a link to confirm your account. Open it from your inbox so "
+"you can log in."
+
+#: crochet/templates/registration/two_factor_verify.html:16
+msgid ""
+"Introduce el código de tu app de autenticación, o uno de tus códigos de "
+"respaldo si no tienes acceso a ella."
+msgstr ""
+"Enter the code from your authenticator app, or one of your backup codes if "
+"you don't have access to it."
+
+#: crochet/templates/registration/two_factor_verify.html:30
+msgid "Verificar"
+msgstr "Verify"
+
+#: crochet/templates/registration/verify_email_invalid.html:16
+msgid ""
+"El enlace de confirmación no es válido, puede que ya se haya usado o que la "
+"cuenta ya esté verificada."
+msgstr ""
+"The confirmation link is invalid, it may have already been used, or the "
+"account may already be verified."
+
+#: crochet/templates/registration/verify_email_invalid.html:19
+msgid "Ir a iniciar sesión"
+msgstr "Go to login"
+
+#: crochet/urls.py:46
 msgid "cookies/"
 msgstr ""
 
-#: crochet/urls.py:39
+#: crochet/urls.py:47
 msgid "pattern/<uuid:uuid>/"
 msgstr ""
 
-#: crochet/urls.py:40
+#: crochet/urls.py:48
 msgid "pattern/<uuid:uuid>/edit/"
 msgstr ""
 
-#: crochet/urls.py:41
+#: crochet/urls.py:49
 msgid "pattern/<uuid:uuid>/save/"
 msgstr ""
 
-#: crochet/urls.py:42
+#: crochet/urls.py:50
 msgid "pattern/<uuid:uuid>/images/"
 msgstr ""
 
-#: crochet/urls.py:43
+#: crochet/urls.py:51
 msgid "pattern/<uuid:uuid>/cover/"
 msgstr ""
 
-#: crochet/urls.py:44
+#: crochet/urls.py:52
 msgid "pattern/<uuid:uuid>/pdf/"
 msgstr ""
 
-#: crochet/urls.py:45
+#: crochet/urls.py:53
 msgid "pattern/<uuid:uuid>/delete/"
 msgstr ""
 
-#: crochet/urls.py:46
+#: crochet/urls.py:54
 msgid "pattern/new/"
 msgstr ""
 
-#: crochet/urls.py:47
+#: crochet/urls.py:55
 msgid "account/settings/"
 msgstr ""
 
-#: crochet/urls.py:48
+#: crochet/urls.py:56
 msgid "account/settings/email/"
 msgstr ""
 
-#: crochet/urls.py:50
+#: crochet/urls.py:58
 msgid "account/settings/password/"
 msgstr ""
 
-#: crochet/urls.py:54
+#: crochet/urls.py:62
 msgid "account/settings/display-name/"
 msgstr ""
 
-#: crochet/urls.py:57
+#: crochet/urls.py:65
 msgid "account/settings/delete/"
 msgstr ""
 
-#: crochet/urls.py:58
-msgid "account/register/"
-msgstr ""
-
-#: crochet/urls.py:60
-msgid "account/login/"
-msgstr ""
-
-#: crochet/urls.py:65
-msgid "account/logout/"
+#: crochet/urls.py:66
+msgid "account/settings/2fa/setup/"
 msgstr ""
 
 #: crochet/urls.py:67
+msgid "account/settings/2fa/disable/"
+msgstr ""
+
+#: crochet/urls.py:69
+msgid "account/settings/2fa/devices/<int:device_id>/forget/"
+msgstr ""
+
+#: crochet/urls.py:72
+msgid "account/register/"
+msgstr ""
+
+#: crochet/urls.py:73
+msgid "account/register/done/"
+msgstr ""
+
+#: crochet/urls.py:74
+msgid "account/verify/<uidb64>/<token>/"
+msgstr ""
+
+#: crochet/urls.py:75
+msgid "account/2fa/verify/"
+msgstr ""
+
+#: crochet/urls.py:77
+msgid "account/login/"
+msgstr ""
+
+#: crochet/urls.py:82
+msgid "account/logout/"
+msgstr ""
+
+#: crochet/urls.py:84
 msgid "account/password-reset/"
 msgstr ""
 
-#: crochet/urls.py:86
+#: crochet/urls.py:103
 msgid "account/password-reset/done/"
 msgstr ""
 
-#: crochet/urls.py:90
+#: crochet/urls.py:107
 msgid "account/reset/<uidb64>/<token>/"
 msgstr ""
 
-#: crochet/urls.py:98
+#: crochet/urls.py:115
 msgid "account/reset/done/"
 msgstr ""
 
+#: crochet/user_agent.py:33 crochet/user_agent.py:40
+msgid "Dispositivo desconocido"
+msgstr "Unknown device"
+
 # crochet/views.py (PatternDetailView.EMPTY_MESSAGE)
-#: crochet/views.py:29
+#: crochet/views.py:51
 msgid "Este patrón todavía no tiene contenido."
 msgstr "This pattern doesn't have any content yet."
 
-#: crochet/views.py:350
+#: crochet/views.py:407
+msgid "Tu cuenta ha sido verificada. ¡Bienvenido/a!"
+msgstr "Your account has been verified. Welcome!"
+
+#: crochet/views.py:473 crochet/views.py:541
+msgid "Código incorrecto."
+msgstr "Incorrect code."
+
+#: crochet/views.py:708
 msgid "Tu cuenta se ha eliminado correctamente."
 msgstr "Your account has been deleted successfully."
 

crochet/locale/es/LC_MESSAGES/django.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: crochet\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-07-22 08:53+0000\n"
+"POT-Creation-Date: 2026-09-16 11:16+0000\n"
 "Language: es\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -13,18 +13,128 @@ msgstr ""
 msgid "Email"
 msgstr ""
 
-#: crochet/forms.py:128 crochet/templates/crochet/account_settings.html:40
+#: crochet/forms.py:131 crochet/templates/crochet/account_settings.html:40
 msgid "Nombre para mostrar"
 msgstr ""
 
-#: crochet/forms.py:143
+#: crochet/forms.py:152
+msgid "Código"
+msgstr ""
+
+#: crochet/forms.py:163
+msgid "Recordar este dispositivo 30 días"
+msgstr ""
+
+#: crochet/forms.py:171 crochet/forms.py:188
 msgid "Contraseña"
 msgstr ""
 
-#: crochet/forms.py:153
+#: crochet/forms.py:182 crochet/forms.py:198
 msgid "Contraseña incorrecta."
 msgstr ""
 
+#: crochet/templates/403.html:9 crochet/templates/403.html:19
+msgid "Acceso denegado"
+msgstr ""
+
+#: crochet/templates/403.html:21
+msgid ""
+"No tienes permiso para ver esta página, o se han hecho demasiadas peticiones "
+"seguidas desde aquí."
+msgstr ""
+
+#: crochet/templates/403.html:24 crochet/templates/404.html:19
+#: crochet/templates/500.html:64
+#: crochet/templates/crochet/cookie_policy.html:54
+msgid "Volver al inicio"
+msgstr ""
+
+#: crochet/templates/404.html:4 crochet/templates/404.html:14
+msgid "Página no encontrada"
+msgstr ""
+
+#: crochet/templates/404.html:16
+msgid "La página que buscas no existe o se ha movido."
+msgstr ""
+
+#: crochet/templates/500.html:15
+msgid "Error del servidor"
+msgstr ""
+
+#: crochet/templates/500.html:62
+msgid "Vaya, algo ha ido mal"
+msgstr ""
+
+#: crochet/templates/500.html:63
+msgid "Ha ocurrido un error inesperado. Prueba a recargar en un momento."
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:11
+msgid "Activada"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:17
+#: crochet/templates/crochet/_account_2fa_status.html:90
+msgid "Desactivar"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:23
+msgid "Dispositivos recordados"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:29
+#, python-format
+msgid "desde el %(date)s"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:33
+msgid "Olvidar este dispositivo"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:42
+msgid "¿Olvidar este dispositivo?"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:44
+#, python-format
+msgid ""
+"La próxima vez que inicies sesión desde \"%(name)s\" volverá a pedirse el "
+"código de verificación en dos pasos."
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:54
+#: crochet/templates/crochet/_account_2fa_status.html:88
+#: crochet/templates/crochet/two_factor_setup.html:45
+msgid "Cancelar"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:56
+msgid "Olvidar"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:59
+#: crochet/templates/crochet/_account_2fa_status.html:94
+msgid "Cerrar"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:68
+msgid "Desactivar verificación en dos pasos"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:70
+msgid ""
+"Confirma tu contraseña para desactivarla. Se olvidarán también todos los "
+"dispositivos recordados."
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:98
+msgid "Desactivada"
+msgstr ""
+
+#: crochet/templates/crochet/_account_2fa_status.html:99
+msgid "Activar"
+msgstr ""
+
 #: crochet/templates/crochet/_account_delete_form.html:9
 msgid ""
 "¿Seguro que quieres eliminar tu cuenta? Se borrarán también todos tus "
@@ -32,7 +142,7 @@ msgid ""
 msgstr ""
 
 #: crochet/templates/crochet/_account_delete_form.html:19
-#: crochet/templates/crochet/account_settings.html:68
+#: crochet/templates/crochet/account_settings.html:78
 msgid "Eliminar cuenta"
 msgstr ""
 
@@ -105,12 +215,12 @@ msgid "Actualizado el %(date)s"
 msgstr ""
 
 #: crochet/templates/crochet/account_home.html:44
-#: crochet/templates/crochet/pattern.html:182
+#: crochet/templates/crochet/pattern.html:156
 msgid "Vista previa"
 msgstr ""
 
 #: crochet/templates/crochet/account_home.html:48
-#: crochet/templates/crochet/pattern.html:55
+#: crochet/templates/crochet/pattern.html:46
 msgid "Eliminar"
 msgstr ""
 
@@ -120,7 +230,7 @@ msgstr ""
 
 #: crochet/templates/crochet/account_settings.html:4
 #: crochet/templates/crochet/account_settings.html:18
-#: crochet/templates/crochet/base.html:52
+#: crochet/templates/crochet/base.html:62
 msgid "Ajustes de la cuenta"
 msgstr ""
 
@@ -136,19 +246,35 @@ msgstr ""
 msgid "Zona de peligro"
 msgstr ""
 
-#: crochet/templates/crochet/account_settings.html:70
+#: crochet/templates/crochet/account_settings.html:63
+#: crochet/templates/registration/two_factor_verify.html:4
+#: crochet/templates/registration/two_factor_verify.html:14
+msgid "Verificación en dos pasos"
+msgstr ""
+
+#: crochet/templates/crochet/account_settings.html:65
+msgid ""
+"Pide un código de tu app de autenticación (Google Authenticator, Aegis...) "
+"además de la contraseña al iniciar sesión."
+msgstr ""
+
+#: crochet/templates/crochet/account_settings.html:80
 msgid "Esto borrará tu cuenta y todos tus patrones de forma permanente."
 msgstr ""
 
-#: crochet/templates/crochet/base.html:39
+#: crochet/templates/crochet/base.html:37
+msgid "Cambiar tema"
+msgstr ""
+
+#: crochet/templates/crochet/base.html:49
 msgid "Cambiar idioma"
 msgstr ""
 
-#: crochet/templates/crochet/base.html:56
+#: crochet/templates/crochet/base.html:66
 msgid "Cerrar sesión"
 msgstr ""
 
-#: crochet/templates/crochet/base.html:62
+#: crochet/templates/crochet/base.html:72
 #: crochet/templates/crochet/home.html:25
 #: crochet/templates/crochet/password_reset_complete.html:18
 #: crochet/templates/registration/login.html:4
@@ -214,10 +340,6 @@ msgid ""
 "consentimiento previo."
 msgstr ""
 
-#: crochet/templates/crochet/cookie_policy.html:54
-msgid "Volver al inicio"
-msgstr ""
-
 #: crochet/templates/crochet/email/account_deleted_notice.html:4
 #: crochet/templates/crochet/email/account_deleted_subject.txt:1
 #, python-format
@@ -238,6 +360,8 @@ msgstr ""
 #: crochet/templates/crochet/email/email_changed_notice.txt:4
 #: crochet/templates/crochet/email/password_changed_notice.html:12
 #: crochet/templates/crochet/email/password_changed_notice.txt:4
+#: crochet/templates/crochet/email/verify_email.html:19
+#: crochet/templates/crochet/email/verify_email.txt:7
 msgid "Tu usuario:"
 msgstr ""
 
@@ -314,6 +438,34 @@ msgstr ""
 msgid "Si no has solicitado este cambio, puedes ignorar este email."
 msgstr ""
 
+#: crochet/templates/crochet/email/verify_email.html:4
+msgid "Confirma tu cuenta"
+msgstr ""
+
+#: crochet/templates/crochet/email/verify_email.html:8
+#: crochet/templates/crochet/email/verify_email.txt:2
+#, python-format
+msgid "Has recibido este email porque te has registrado en %(site_name)s."
+msgstr ""
+
+#: crochet/templates/crochet/email/verify_email.html:14
+msgid "Confirmar cuenta"
+msgstr ""
+
+#: crochet/templates/crochet/email/verify_email.html:23
+#: crochet/templates/crochet/email/verify_email.txt:9
+msgid "Si no has sido tú, puedes ignorar este email."
+msgstr ""
+
+#: crochet/templates/crochet/email/verify_email.txt:4
+msgid "Sigue este enlace para confirmar tu cuenta:"
+msgstr ""
+
+#: crochet/templates/crochet/email/verify_email_subject.txt:1
+#, python-format
+msgid "Confirma tu cuenta en %(site_name)s"
+msgstr ""
+
 #: crochet/templates/crochet/home.html:4
 msgid "Crochet — Crea y comparte tus patrones"
 msgstr ""
@@ -376,6 +528,8 @@ msgid "Elige una contraseña nueva"
 msgstr ""
 
 #: crochet/templates/crochet/password_reset_confirm.html:33
+#: crochet/templates/registration/verify_email_invalid.html:4
+#: crochet/templates/registration/verify_email_invalid.html:14
 msgid "Enlace no válido"
 msgstr ""
 
@@ -390,6 +544,7 @@ msgid "Solicitar un enlace nuevo"
 msgstr ""
 
 #: crochet/templates/crochet/password_reset_done.html:14
+#: crochet/templates/registration/register_done.html:14
 msgid "Revisa tu email"
 msgstr ""
 
@@ -401,6 +556,8 @@ msgstr ""
 
 #: crochet/templates/crochet/password_reset_done.html:19
 #: crochet/templates/crochet/password_reset_form.html:32
+#: crochet/templates/registration/register_done.html:19
+#: crochet/templates/registration/two_factor_verify.html:33
 msgid "Volver a iniciar sesión"
 msgstr ""
 
@@ -422,250 +579,250 @@ msgstr ""
 msgid "Recupera tu contraseña en %(site_name)s"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:26
-msgid "Idioma del patrón"
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:38
-msgid "No se ha podido guardar. Inténtalo de nuevo."
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:38
-msgid "Guardar"
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:41
-msgid "Ver patrón"
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:42
-msgid "Exportar a PDF"
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:49
-msgid "Más opciones"
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:65
-msgid "Guardado"
-msgstr ""
-
-#: crochet/templates/crochet/pattern.html:78
+#: crochet/templates/crochet/pattern.html:23
 msgid "Título del patrón"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:79
+#: crochet/templates/crochet/pattern.html:24
 msgid "Título del patrón..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:82
+#: crochet/templates/crochet/pattern.html:29
+msgid "No se ha podido guardar. Inténtalo de nuevo."
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:29
+msgid "Guardar"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:32
+msgid "Ver patrón"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:33
+msgid "Exportar a PDF"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:40
+msgid "Más opciones"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:56
+msgid "Guardado"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:64
 msgid "Imagen de portada"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:95
+#: crochet/templates/crochet/pattern.html:73
 msgid "Añadir imagen"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:98
+#: crochet/templates/crochet/pattern.html:76
 msgid "Cambiar"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:103
+#: crochet/templates/crochet/pattern.html:81
 msgid "No se ha podido subir la imagen de portada. Inténtalo de nuevo."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:114
+#: crochet/templates/crochet/pattern.html:88
 msgid "Personalización de página"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:117
+#: crochet/templates/crochet/pattern.html:91
 msgid "Autor"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:118
+#: crochet/templates/crochet/pattern.html:92
 msgid "Autor..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:122
-#: crochet/templates/crochet/pattern.html:206
+#: crochet/templates/crochet/pattern.html:96
+#: crochet/templates/crochet/pattern.html:191
 msgid "Color del texto"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:126
+#: crochet/templates/crochet/pattern.html:100
 msgid "Color de acento (títulos)"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:130
-#: crochet/templates/crochet/pattern.html:206
+#: crochet/templates/crochet/pattern.html:104
+#: crochet/templates/crochet/pattern.html:191
 msgid "Color de fondo"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:134
+#: crochet/templates/crochet/pattern.html:108
 msgid "Tipografía"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:140
+#: crochet/templates/crochet/pattern.html:114
 msgid "Monoespaciada"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:144
+#: crochet/templates/crochet/pattern.html:118
 msgid "Tamaño de letra"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:146
+#: crochet/templates/crochet/pattern.html:120
 msgid "Pequeño"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:147
+#: crochet/templates/crochet/pattern.html:121
 msgid "Normal"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:148
+#: crochet/templates/crochet/pattern.html:122
 msgid "Grande"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:152
+#: crochet/templates/crochet/pattern.html:126
 msgid "Alineación del texto"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:154
+#: crochet/templates/crochet/pattern.html:128
 msgid "Izquierda"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:155
+#: crochet/templates/crochet/pattern.html:129
 msgid "Centrado"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:156
+#: crochet/templates/crochet/pattern.html:130
 msgid "Justificado"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:160
+#: crochet/templates/crochet/pattern.html:134
 msgid "Tamaño de página"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:165
+#: crochet/templates/crochet/pattern.html:139
 msgid "Carta (Letter)"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:170
+#: crochet/templates/crochet/pattern.html:144
 msgid "Orientación"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:172
+#: crochet/templates/crochet/pattern.html:146
 msgid "Vertical"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:173
+#: crochet/templates/crochet/pattern.html:147
 msgid "Horizontal"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:181
-#: crochet/templates/crochet/pattern.html:189
+#: crochet/templates/crochet/pattern.html:155
+#: crochet/templates/crochet/pattern.html:174
 msgid "Secciones"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:191
+#: crochet/templates/crochet/pattern.html:166
+msgid "Idioma del patrón"
+msgstr ""
+
+#: crochet/templates/crochet/pattern.html:176
 msgid "Colapsar todo"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:191
+#: crochet/templates/crochet/pattern.html:176
 msgid "Expandir todo"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:196
+#: crochet/templates/crochet/pattern.html:181
 msgid "Añadir sección"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:199
+#: crochet/templates/crochet/pattern.html:184
 msgid "Título"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:199
+#: crochet/templates/crochet/pattern.html:184
 msgid "Título..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:201
+#: crochet/templates/crochet/pattern.html:186
 msgid "Subtítulo"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:201
+#: crochet/templates/crochet/pattern.html:186
 msgid "Subtítulo..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:203
+#: crochet/templates/crochet/pattern.html:188
 msgid "Texto"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:203
+#: crochet/templates/crochet/pattern.html:188
 msgid "Escribe aquí..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:205
-#: crochet/templates/crochet/pattern.html:206
+#: crochet/templates/crochet/pattern.html:190
+#: crochet/templates/crochet/pattern.html:191
 msgid "Nota"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:205
+#: crochet/templates/crochet/pattern.html:190
 msgid "Escribe una nota o consejo..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:208
+#: crochet/templates/crochet/pattern.html:193
 msgid "Materiales"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:208
+#: crochet/templates/crochet/pattern.html:193
 msgid "Añadir material..."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:208
+#: crochet/templates/crochet/pattern.html:193
 msgid "Añadir línea"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:210
-#: crochet/templates/crochet/pattern.html:212
+#: crochet/templates/crochet/pattern.html:195
+#: crochet/templates/crochet/pattern.html:197
 msgid "Imagen"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:212
+#: crochet/templates/crochet/pattern.html:197
 msgid "No se ha podido subir la imagen. Inténtalo de nuevo."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:214
+#: crochet/templates/crochet/pattern.html:199
 msgid "Patrón"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:214
+#: crochet/templates/crochet/pattern.html:199
 msgid "Elementos"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:216
+#: crochet/templates/crochet/pattern.html:201
 msgid "Grupo"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:220
+#: crochet/templates/crochet/pattern.html:205
 msgid "Arrastrar para reordenar"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:221
+#: crochet/templates/crochet/pattern.html:206
 msgid "Colapsar / expandir"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:222
+#: crochet/templates/crochet/pattern.html:207
 msgid "Duplicar sección"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:223
+#: crochet/templates/crochet/pattern.html:208
 msgid "Eliminar sección"
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:224
+#: crochet/templates/crochet/pattern.html:209
 msgid ""
 "¿Seguro que quieres eliminar este grupo? Se eliminarán también todas las "
 "secciones que contiene."
 msgstr ""
 
-#: crochet/templates/crochet/pattern.html:229
+#: crochet/templates/crochet/pattern.html:214
 msgid "Añade una sección para ver aquí el resultado."
 msgstr ""
 
@@ -673,6 +830,36 @@ msgstr ""
 msgid "Descargar PDF"
 msgstr ""
 
+#: crochet/templates/crochet/two_factor_setup.html:4
+#: crochet/templates/crochet/two_factor_setup.html:26
+msgid "Activar verificación en dos pasos"
+msgstr ""
+
+#: crochet/templates/crochet/two_factor_setup.html:15
+msgid "Guarda tus códigos de respaldo"
+msgstr ""
+
+#: crochet/templates/crochet/two_factor_setup.html:17
+msgid ""
+"Cada uno sirve para iniciar sesión una vez si pierdes acceso a tu app de "
+"autenticación. Guárdalos en un sitio seguro: no se van a volver a mostrar."
+msgstr ""
+
+#: crochet/templates/crochet/two_factor_setup.html:24
+msgid "Ya los he guardado"
+msgstr ""
+
+#: crochet/templates/crochet/two_factor_setup.html:28
+msgid ""
+"Escanea este código con tu app de autenticación (Google Authenticator, "
+"Aegis, 1Password...) e introduce el código de 6 dígitos que te muestre para "
+"confirmar."
+msgstr ""
+
+#: crochet/templates/crochet/two_factor_setup.html:42
+msgid "Confirmar"
+msgstr ""
+
 #: crochet/templates/registration/login.html:17
 msgid "Usuario o contraseña incorrectos."
 msgstr ""
@@ -702,97 +889,163 @@ msgstr ""
 msgid "¿Ya tienes cuenta? Inicia sesión"
 msgstr ""
 
-#: crochet/urls.py:38
+#: crochet/templates/registration/register_done.html:4
+msgid "Confirma tu email"
+msgstr ""
+
+#: crochet/templates/registration/register_done.html:16
+msgid ""
+"Te hemos enviado un enlace para confirmar tu cuenta. Ábrelo desde tu bandeja "
+"de entrada para poder iniciar sesión."
+msgstr ""
+
+#: crochet/templates/registration/two_factor_verify.html:16
+msgid ""
+"Introduce el código de tu app de autenticación, o uno de tus códigos de "
+"respaldo si no tienes acceso a ella."
+msgstr ""
+
+#: crochet/templates/registration/two_factor_verify.html:30
+msgid "Verificar"
+msgstr ""
+
+#: crochet/templates/registration/verify_email_invalid.html:16
+msgid ""
+"El enlace de confirmación no es válido, puede que ya se haya usado o que la "
+"cuenta ya esté verificada."
+msgstr ""
+
+#: crochet/templates/registration/verify_email_invalid.html:19
+msgid "Ir a iniciar sesión"
+msgstr ""
+
+#: crochet/urls.py:46
 msgid "cookies/"
 msgstr ""
 
 # Rutas traducibles de crochet/urls.py: la base "pattern/" se traduce como
 # "patron/" (sin tilde, para no meter caracteres acentuados en la URL).
-#: crochet/urls.py:39
+#: crochet/urls.py:47
 msgid "pattern/<uuid:uuid>/"
 msgstr "patron/<uuid:uuid>/"
 
-#: crochet/urls.py:40
+#: crochet/urls.py:48
 msgid "pattern/<uuid:uuid>/edit/"
 msgstr "patron/<uuid:uuid>/editar/"
 
-#: crochet/urls.py:41
+#: crochet/urls.py:49
 msgid "pattern/<uuid:uuid>/save/"
 msgstr "patron/<uuid:uuid>/guardar/"
 
-#: crochet/urls.py:42
+#: crochet/urls.py:50
 msgid "pattern/<uuid:uuid>/images/"
 msgstr "patron/<uuid:uuid>/imagenes/"
 
-#: crochet/urls.py:43
+#: crochet/urls.py:51
 msgid "pattern/<uuid:uuid>/cover/"
 msgstr "patron/<uuid:uuid>/portada/"
 
-#: crochet/urls.py:44
+#: crochet/urls.py:52
 msgid "pattern/<uuid:uuid>/pdf/"
 msgstr "patron/<uuid:uuid>/pdf/"
 
-#: crochet/urls.py:45
+#: crochet/urls.py:53
 msgid "pattern/<uuid:uuid>/delete/"
 msgstr "patron/<uuid:uuid>/eliminar/"
 
-#: crochet/urls.py:46
+#: crochet/urls.py:54
 msgid "pattern/new/"
 msgstr "patron/nuevo/"
 
-#: crochet/urls.py:47
+#: crochet/urls.py:55
 msgid "account/settings/"
 msgstr "cuenta/ajustes/"
 
-#: crochet/urls.py:48
+#: crochet/urls.py:56
 msgid "account/settings/email/"
 msgstr "cuenta/ajustes/email/"
 
-#: crochet/urls.py:50
+#: crochet/urls.py:58
 msgid "account/settings/password/"
 msgstr "cuenta/ajustes/contrasena/"
 
-#: crochet/urls.py:54
+#: crochet/urls.py:62
 msgid "account/settings/display-name/"
 msgstr "cuenta/ajustes/nombre/"
 
-#: crochet/urls.py:57
+#: crochet/urls.py:65
 msgid "account/settings/delete/"
 msgstr "cuenta/ajustes/eliminar/"
 
-#: crochet/urls.py:58
+#: crochet/urls.py:66
+msgid "account/settings/2fa/setup/"
+msgstr "cuenta/ajustes/2fa/activar/"
+
+#: crochet/urls.py:67
+msgid "account/settings/2fa/disable/"
+msgstr "cuenta/ajustes/2fa/desactivar/"
+
+#: crochet/urls.py:69
+msgid "account/settings/2fa/devices/<int:device_id>/forget/"
+msgstr "cuenta/ajustes/2fa/dispositivos/<int:device_id>/olvidar/"
+
+#: crochet/urls.py:72
 msgid "account/register/"
 msgstr "cuenta/registro/"
 
-#: crochet/urls.py:60
+#: crochet/urls.py:73
+msgid "account/register/done/"
+msgstr "cuenta/registro/hecho/"
+
+#: crochet/urls.py:74
+msgid "account/verify/<uidb64>/<token>/"
+msgstr "cuenta/verificar/<uidb64>/<token>/"
+
+#: crochet/urls.py:75
+msgid "account/2fa/verify/"
+msgstr "cuenta/2fa/verificar/"
+
+#: crochet/urls.py:77
 msgid "account/login/"
 msgstr "cuenta/entrar/"
 
-#: crochet/urls.py:65
+#: crochet/urls.py:82
 msgid "account/logout/"
 msgstr "cuenta/salir/"
 
-#: crochet/urls.py:67
+#: crochet/urls.py:84
 msgid "account/password-reset/"
 msgstr "cuenta/recuperar-contrasena/"
 
-#: crochet/urls.py:86
+#: crochet/urls.py:103
 msgid "account/password-reset/done/"
 msgstr "cuenta/recuperar-contrasena/enviado/"
 
-#: crochet/urls.py:90
+#: crochet/urls.py:107
 msgid "account/reset/<uidb64>/<token>/"
 msgstr "cuenta/restablecer/<uidb64>/<token>/"
 
-#: crochet/urls.py:98
+#: crochet/urls.py:115
 msgid "account/reset/done/"
 msgstr "cuenta/restablecer/hecho/"
 
-#: crochet/views.py:29
+#: crochet/user_agent.py:33 crochet/user_agent.py:40
+msgid "Dispositivo desconocido"
+msgstr ""
+
+#: crochet/views.py:51
 msgid "Este patrón todavía no tiene contenido."
 msgstr ""
 
-#: crochet/views.py:350
+#: crochet/views.py:407
+msgid "Tu cuenta ha sido verificada. ¡Bienvenido/a!"
+msgstr ""
+
+#: crochet/views.py:473 crochet/views.py:541
+msgid "Código incorrecto."
+msgstr ""
+
+#: crochet/views.py:708
 msgid "Tu cuenta se ha eliminado correctamente."
 msgstr ""
 

crochet/management/commands/build_pattern_detail_css.py

@@ -51,7 +51,10 @@ SOURCES = [
 
 
 class Command(BaseCommand):
-    help = 'Recompila crochet/static/css/pattern-detail.css (Tailwind precompilado para la vista de solo lectura / PDF).'
+    help = (
+        'Recompila crochet/static/css/pattern-detail.css '
+        '(Tailwind precompilado para la vista de solo lectura / PDF).'
+    )
 
     def handle(self, *args, **options):
         if not TAILWIND_BIN.exists():
@@ -94,6 +97,6 @@ class Command(BaseCommand):
         try:
             urllib.request.urlretrieve(url, TAILWIND_BIN)
         except OSError as error:
-            raise CommandError(f'No se ha podido descargar {url}: {error}')
+            raise CommandError(f'No se ha podido descargar {url}: {error}') from error
 
         TAILWIND_BIN.chmod(TAILWIND_BIN.stat().st_mode | stat.S_IEXEC)

crochet/migrations/0008_twofactorremembereddevice.py

@@ -0,0 +1,25 @@
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('crochet', '0007_pattern_cover_image'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='TwoFactorRememberedDevice',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('device_name', models.CharField(blank=True, default='', max_length=255)),
+                ('token', models.CharField(max_length=64, unique=True)),
+                ('expires_at', models.DateTimeField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='remembered_devices', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

crochet/models.py

@@ -51,6 +51,9 @@ class PatternImage(models.Model):
     image = models.ImageField(upload_to='patterns/%Y/%m/')
     uploaded_at = models.DateTimeField(auto_now_add=True)
 
+    def __str__(self):
+        return f'{self.pattern} - {self.image.name}'
+
 
 class StitchType(models.Model):
     # Catálogo de tipos de punto arrastrables en una sección de "Patrón"
@@ -67,3 +70,24 @@ class StitchType(models.Model):
 
     def __str__(self):
         return self.translations.get('es') or f'StitchType #{self.pk}'
+
+
+class TwoFactorRememberedDevice(models.Model):
+    # "Recordar este dispositivo" (ver TwoFactorVerifyView/
+    # RateLimitedLoginView en crochet/views.py): el token vive en una cookie
+    # del navegador, no aquí -esta fila solo sirve para poder comprobarlo
+    # server-side y para poder revocarlo (se borra entera al desactivar la
+    # verificación en dos pasos, ver TwoFactorDisableView)-.
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='remembered_devices')
+    # Descripción legible sacada del User-Agent al marcar "recordar este
+    # dispositivo" (ver crochet/user_agent.py), para que se reconozca en la
+    # lista de ajustes de cuenta ("Chrome (Windows)"...); no es un dato de
+    # seguridad -un User-Agent se falsifica sin esfuerzo-, solo una ayuda
+    # visual.
+    device_name = models.CharField(max_length=255, blank=True, default='')
+    token = models.CharField(max_length=64, unique=True)
+    expires_at = models.DateTimeField()
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f'{self.user} - {self.device_name} ({self.expires_at:%Y-%m-%d})'

crochet/pattern_render.py

@@ -68,7 +68,9 @@ def _line(tag, text, css_class):
 
 
 def _render_group(section, lang, stitch_types_by_id):
-    inner = mark_safe(''.join(_render_section(child, lang, stitch_types_by_id) for child in section.get('children', [])))
+    inner = mark_safe(
+        ''.join(_render_section(child, lang, stitch_types_by_id) for child in section.get('children', [])),
+    )
     if not inner:
         return ''
     return format_html('<div class="my-2 flex flex-col gap-1">{0}</div>', inner)

crochet/static/css/main.css

@@ -17,6 +17,19 @@
   font-family: 'Poppins', system-ui, sans-serif;
 }
 
+/* Contrapartida oscura de la paleta de arriba, activada por el mismo
+   data-theme="crochet-dark" que usa theme.css para el tema daisyUI a juego
+   (ver theme-toggle.js y el script del <head> en base.html). Primary/accent
+   se quedan igual (ya funcionan sobre fondo oscuro); solo cambian
+   fondo/texto y se aclara un poco el secondary para mantener contraste. */
+[data-theme="crochet-dark"] {
+  --brand-bg: #21170f;
+  --brand-bg-soft: #2b2016;
+  --brand-border: #3c2e1f;
+  --brand-text: #f5ecdd;
+  --brand-secondary: #4da695;
+}
+
 body {
   background-color: var(--brand-bg);
   color: var(--brand-text);

crochet/static/css/theme.css

@@ -44,3 +44,45 @@
   --depth: 1;
   --noise: 0;
 }
+
+/* Contrapartida oscura de "crochet", activada con el botón del navbar (ver
+   theme-toggle.js). Misma estructura que arriba, reusando las variables
+   --brand-* que main.css redefine para [data-theme="crochet-dark"]. */
+[data-theme="crochet-dark"] {
+  color-scheme: dark;
+
+  --color-base-100: var(--brand-bg);
+  --color-base-200: var(--brand-bg-soft);
+  --color-base-300: var(--brand-border);
+  --color-base-content: var(--brand-text);
+
+  --color-primary: var(--brand-primary);
+  --color-primary-content: var(--brand-primary-content);
+
+  --color-secondary: var(--brand-secondary);
+  --color-secondary-content: #ffffff;
+
+  --color-accent: var(--brand-accent);
+  --color-accent-content: #2e2118;
+
+  --color-neutral: var(--brand-text);
+  --color-neutral-content: #21170f;
+
+  --color-info: oklch(74% 0.16 232.661);
+  --color-info-content: oklch(29% 0.066 243.157);
+  --color-success: oklch(76% 0.177 163.223);
+  --color-success-content: oklch(37% 0.077 168.94);
+  --color-warning: oklch(82% 0.189 84.429);
+  --color-warning-content: oklch(41% 0.112 45.904);
+  --color-error: oklch(71% 0.194 13.428);
+  --color-error-content: oklch(27% 0.105 12.094);
+
+  --radius-selector: 0.5rem;
+  --radius-field: 0.75rem;
+  --radius-box: 1rem;
+  --size-selector: 0.25rem;
+  --size-field: 0.25rem;
+  --border: 1px;
+  --depth: 1;
+  --noise: 0;
+}

crochet/static/js/modal-reopen.js

@@ -0,0 +1,25 @@
+// Reabre cualquier <dialog data-reopen> que llegue en un swap de HTMX.
+// Hace falta porque el patrón habitual del proyecto (ver
+// _account_2fa_status.html) intercambia el fragmento entero -incluido el
+// propio <dialog>- al enviar un formulario dentro de un modal: el
+// navegador crea un <dialog> nuevo, y uno nuevo no hereda el estado
+// abierto del que reemplaza (showModal() no se "recuerda" entre
+// elementos). El servidor añade data-reopen al renderizar el modal con
+// errores de validación (el caso en el que realmente hace falta que siga
+// abierto tras el swap).
+//
+// htmx:afterSettle, NO htmx:afterSwap. Cuando el elemento que target/swap
+// reemplaza es un ANCESTRO del <form> que hizo la petición -este caso:
+// hx-target="#account-2fa-status" en un <form> anidado dentro de ese mismo
+// div-, "afterSwap" se dispara sobre el elemento que originó la petición,
+// que en ese momento YA se ha quedado fuera del árbol del documento (el
+// outerHTML swap lo reemplazó); un evento despachado sobre un nodo
+// desconectado no burbujea a ningún sitio, así que un listener en
+// document.body nunca lo ve. "afterSettle" en cambio se dispara sobre el
+// nuevo contenido ya insertado en el árbol, así que sí burbujea con
+// normalidad.
+document.body.addEventListener('htmx:afterSettle', () => {
+  document.querySelectorAll('dialog[data-reopen]').forEach((dialog) => {
+    dialog.showModal();
+  });
+});

crochet/static/js/theme-toggle.js

@@ -0,0 +1,33 @@
+// Alterna entre el tema claro y oscuro (ver theme.css: [data-theme="crochet"]
+// vs [data-theme="crochet-dark"]) y recuerda la preferencia en localStorage.
+// El tema inicial ya lo aplica el script del <head> en base.html (antes de
+// pintar la página, para evitar el parpadeo del tema por defecto); este
+// script solo atiende el clic del botón y mantiene su icono al día.
+const THEME_STORAGE_KEY = 'theme';
+const DARK_THEME = 'crochet-dark';
+const LIGHT_THEME = 'crochet';
+
+const toggleButton = document.getElementById('theme-toggle');
+const icon = document.getElementById('theme-toggle-icon');
+
+function currentTheme() {
+  return document.documentElement.dataset.theme === DARK_THEME ? DARK_THEME : LIGHT_THEME;
+}
+
+function updateIcon() {
+  // Se muestra el icono del tema al que se pasaría al pulsar, no el actual.
+  icon.textContent = currentTheme() === DARK_THEME ? '☀️' : '🌙';
+}
+
+if (toggleButton && icon) {
+  updateIcon();
+
+  toggleButton.addEventListener('click', () => {
+    const next = currentTheme() === DARK_THEME ? LIGHT_THEME : DARK_THEME;
+    document.documentElement.dataset.theme = next;
+    updateIcon();
+    try {
+      localStorage.setItem(THEME_STORAGE_KEY, next);
+    } catch {}
+  });
+}

crochet/templates/403.html

@@ -0,0 +1,29 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+{# Django la usa como plantilla de error 403 para cualquier PermissionDenied
+   sin capturar, incluida Ratelimited (ver crochet/views.py: LOGIN_RATE/
+   REGISTER_RATE/PASSWORD_RESET_RATE) — de ahí el mensaje genérico en vez de
+   uno específico de "demasiadas peticiones", ya que también cubre otros
+   403 (p. ej. _get_owned_pattern_or_403). #}
+
+{% block title %}{% trans 'Acceso denegado' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body text-center">
+        <h1 class="card-title justify-center">{% trans 'Acceso denegado' %}</h1>
+        <p class="text-sm text-base-content/70">
+          {% trans 'No tienes permiso para ver esta página, o se han hecho demasiadas peticiones seguidas desde aquí.' %}
+        </p>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:home' %}" class="link link-primary">{% trans 'Volver al inicio' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/templates/404.html

@@ -0,0 +1,24 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Página no encontrada' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body text-center">
+        <h1 class="card-title justify-center">{% trans 'Página no encontrada' %}</h1>
+        <p class="text-sm text-base-content/70">
+          {% trans 'La página que buscas no existe o se ha movido.' %}
+        </p>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:home' %}" class="link link-primary">{% trans 'Volver al inicio' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/templates/500.html

@@ -0,0 +1,68 @@
+{% load i18n static %}
+<!DOCTYPE html>
+<html lang="es" data-theme="crochet">
+
+<head>
+  <script>
+    try {
+      if (localStorage.getItem('theme') === 'crochet-dark') {
+        document.documentElement.dataset.theme = 'crochet-dark';
+      }
+    } catch {}
+  </script>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>{% trans 'Error del servidor' %}</title>
+  <link rel="stylesheet" href="{% static 'css/main.css' %}">
+  <style>
+    body {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      min-height: 100vh;
+      margin: 0;
+      padding: 1rem;
+    }
+
+    .box {
+      max-width: 24rem;
+      width: 100%;
+      text-align: center;
+      background: var(--brand-bg-soft);
+      border: 1px solid var(--brand-border);
+      border-radius: 1rem;
+      padding: 2rem;
+    }
+
+    .box h1 {
+      margin: 0 0 .5rem;
+      font-size: 1.25rem;
+    }
+
+    .box p {
+      margin: 0 0 1rem;
+      opacity: .7;
+      font-size: .9rem;
+    }
+
+    .box a {
+      color: var(--brand-primary);
+      text-decoration: none;
+      font-weight: 600;
+    }
+
+    .box a:hover {
+      text-decoration: underline;
+    }
+  </style>
+</head>
+
+<body>
+  <div class="box">
+    <h1>{% trans 'Vaya, algo ha ido mal' %}</h1>
+    <p>{% trans 'Ha ocurrido un error inesperado. Prueba a recargar en un momento.' %}</p>
+    <a href="/">{% trans 'Volver al inicio' %}</a>
+  </div>
+</body>
+
+</html>

crochet/templates/crochet/_account_2fa_status.html

@@ -0,0 +1,102 @@
+{% load i18n %}
+<!-- id fijo (en vez de hx-target="this" sobre el propio <form>, como en el
+     resto de fragmentos de ajustes de cuenta): aquí hay más de un <form>
+     dentro del mismo fragmento (desactivar 2FA, olvidar cada dispositivo),
+     así que todos apuntan a este mismo id y se intercambia el fragmento
+     entero pase lo que pase, sin duplicar el badge de arriba con solo el
+     <form> que disparó la petición. -->
+<div id="account-2fa-status">
+  {% if two_factor_enabled %}
+    <div class="flex items-center justify-between gap-4">
+      <span class="badge badge-success badge-soft">{% trans 'Activada' %}</span>
+      <button
+        type="button"
+        class="btn btn-error btn-sm"
+        onclick="document.getElementById('two-factor-disable-modal').showModal()"
+      >
+        {% trans 'Desactivar' %}
+      </button>
+    </div>
+
+    {% if remembered_devices %}
+      <div class="mt-3">
+        <p class="text-sm font-medium mb-1">{% trans 'Dispositivos recordados' %}</p>
+        <ul class="flex flex-col gap-1 text-sm text-base-content/70">
+          {% for device in remembered_devices %}
+            <li class="flex items-center justify-between gap-2">
+              <span>{{ device.device_name }}</span>
+              <span class="flex items-center gap-2">
+                <span class="text-xs">{% blocktranslate with date=device.created_at|date:'d/m/Y' %}desde el {{ date }}{% endblocktranslate %}</span>
+                <button
+                  type="button"
+                  class="btn btn-ghost btn-xs"
+                  aria-label="{% trans 'Olvidar este dispositivo' %}"
+                  onclick="document.getElementById('forget-device-modal-{{ device.pk }}').showModal()"
+                >
+                  🗑️
+                </button>
+              </span>
+            </li>
+            <dialog id="forget-device-modal-{{ device.pk }}" class="modal">
+              <div class="modal-box">
+                <h3 class="font-bold text-lg">{% trans '¿Olvidar este dispositivo?' %}</h3>
+                <p class="py-2 text-sm text-base-content/70">
+                  {% blocktranslate with name=device.device_name %}La próxima vez que inicies sesión desde "{{ name }}" volverá a pedirse el código de verificación en dos pasos.{% endblocktranslate %}
+                </p>
+                <form
+                  hx-post="{% url 'crochet:two_factor_forget_device' device.pk %}"
+                  hx-target="#account-2fa-status"
+                  hx-swap="outerHTML"
+                  class="modal-action"
+                >
+                  {% csrf_token %}
+                  <button type="button" class="btn btn-ghost btn-sm" onclick="this.closest('dialog').close()">
+                    {% trans 'Cancelar' %}
+                  </button>
+                  <button type="submit" class="btn btn-error btn-sm">{% trans 'Olvidar' %}</button>
+                </form>
+              </div>
+              <form method="dialog" class="modal-backdrop"><button>{% trans 'Cerrar' %}</button></form>
+            </dialog>
+          {% endfor %}
+        </ul>
+      </div>
+    {% endif %}
+
+    <dialog id="two-factor-disable-modal" class="modal"{% if two_factor_disable_form.errors %} data-reopen{% endif %}>
+      <div class="modal-box">
+        <h3 class="font-bold text-lg">{% trans 'Desactivar verificación en dos pasos' %}</h3>
+        <p class="py-2 text-sm text-base-content/70">
+          {% trans 'Confirma tu contraseña para desactivarla. Se olvidarán también todos los dispositivos recordados.' %}
+        </p>
+        <form
+          hx-post="{% url 'crochet:two_factor_disable' %}"
+          hx-target="#account-2fa-status"
+          hx-swap="outerHTML"
+          class="flex flex-col gap-3"
+        >
+          {% csrf_token %}
+          <label class="flex flex-col gap-1">
+            <span class="text-sm">{{ two_factor_disable_form.password.label }}</span>
+            {{ two_factor_disable_form.password }}
+            {% for error in two_factor_disable_form.password.errors %}
+              <span class="text-error text-xs">{{ error }}</span>
+            {% endfor %}
+          </label>
+          <div class="modal-action">
+            <button type="button" class="btn btn-ghost btn-sm" onclick="this.closest('dialog').close()">
+              {% trans 'Cancelar' %}
+            </button>
+            <button type="submit" class="btn btn-error btn-sm">{% trans 'Desactivar' %}</button>
+          </div>
+        </form>
+      </div>
+      <form method="dialog" class="modal-backdrop"><button>{% trans 'Cerrar' %}</button></form>
+    </dialog>
+  {% else %}
+    <div class="flex items-center justify-between gap-4">
+      <span class="badge badge-ghost">{% trans 'Desactivada' %}</span>
+      <a href="{% url 'crochet:two_factor_setup' %}" class="btn btn-primary btn-sm">{% trans 'Activar' %}</a>
+    </div>
+  {% endif %}
+</div>

crochet/templates/crochet/account_settings.html

@@ -57,6 +57,16 @@
               {% include 'crochet/_account_password_form.html' %}
             </div>
           </section>
+
+          <section class="card bg-base-100 shadow border border-base-300">
+            <div class="card-body">
+              <h2 class="card-title text-lg">{% trans 'Verificación en dos pasos' %}</h2>
+              <p class="text-sm text-base-content/70">
+                {% trans 'Pide un código de tu app de autenticación (Google Authenticator, Aegis...) además de la contraseña al iniciar sesión.' %}
+              </p>
+              {% include 'crochet/_account_2fa_status.html' %}
+            </div>
+          </section>
         </section>
 
         <!-- Zona de peligro en su propia pestaña, no solo con border-error
@@ -80,4 +90,5 @@
 
 {% block extra_js %}
   <script defer src="{% static 'js/account-settings-tabs.js' %}"></script>
+  <script defer src="{% static 'js/modal-reopen.js' %}"></script>
 {% endblock %}

crochet/templates/crochet/base.html

@@ -7,6 +7,13 @@
 <html lang="{% get_current_language as html_lang %}{{ html_lang }}" data-theme="crochet">
 
 <head>
+  <script>
+    try {
+      if (localStorage.getItem('theme') === 'crochet-dark') {
+        document.documentElement.dataset.theme = 'crochet-dark';
+      }
+    } catch {}
+  </script>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>{% block title %}Crochet{% endblock %}</title>
@@ -27,6 +34,9 @@
         <a href="{% url 'crochet:home' %}" class="btn btn-ghost text-xl px-2">🧶 Crochet</a>
       </div>
       <div class="flex-none flex items-center gap-2">
+        <button type="button" id="theme-toggle" class="btn btn-sm btn-ghost" aria-label="{% trans 'Cambiar tema' %}">
+          <span id="theme-toggle-icon"></span>
+        </button>
         {% get_current_language as CURRENT_LANGUAGE %}
         {% get_available_languages as AVAILABLE_LANGUAGES %}
         <!-- El idioma es una preferencia de la página, no de la cuenta: va
@@ -64,6 +74,7 @@
       </div>
     </nav>
   {% endblock %}
+  <script defer src="{% static 'js/theme-toggle.js' %}"></script>
   <!-- Mensajes de una sola vez tras una redirección (ver messages.success
        en AccountDeleteView): no hay ninguna página a la que volver con el
        resultado de la acción (la sesión ya no existe), así que se muestran

crochet/templates/crochet/email/verify_email.html

@@ -0,0 +1,25 @@
+{% extends 'crochet/email/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Confirma tu cuenta' %}{% endblock %}
+
+{% block content %}
+  <p style="margin:0 0 16px 0;">
+    {% blocktrans %}Has recibido este email porque te has registrado en {{ site_name }}.{% endblocktrans %}
+  </p>
+
+  <p style="text-align:center; margin:24px 0;">
+    <a href="{{ protocol }}://{{ domain }}{% url 'crochet:verify_email' uidb64=uid token=token %}"
+      style="display:inline-block; background-color:#f1641e; color:#ffffff; text-decoration:none; padding:12px 28px; border-radius:999px; font-weight:600;">
+      {% trans 'Confirmar cuenta' %}
+    </a>
+  </p>
+
+  <p style="margin:0 0 8px 0; font-size:13px; color:#2e2118;">
+    {% trans 'Tu usuario:' %} {{ user.get_username }}
+  </p>
+
+  <p style="margin:0; font-size:13px; color:#2e2118;">
+    {% trans 'Si no has sido tú, puedes ignorar este email.' %}
+  </p>
+{% endblock %}

crochet/templates/crochet/email/verify_email.txt

@@ -0,0 +1,10 @@
+{% load i18n %}{% autoescape off %}
+{% blocktrans %}Has recibido este email porque te has registrado en {{ site_name }}.{% endblocktrans %}
+
+{% trans 'Sigue este enlace para confirmar tu cuenta:' %}
+{{ protocol }}://{{ domain }}{% url 'crochet:verify_email' uidb64=uid token=token %}
+
+{% trans 'Tu usuario:' %} {{ user.get_username }}
+
+{% trans 'Si no has sido tú, puedes ignorar este email.' %}
+{% endautoescape %}

crochet/templates/crochet/email/verify_email_subject.txt

@@ -0,0 +1 @@
+{% load i18n %}{% blocktrans %}Confirma tu cuenta en {{ site_name }}{% endblocktrans %}

crochet/templates/crochet/two_factor_setup.html

@@ -0,0 +1,51 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Activar verificación en dos pasos' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-md bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body">
+        {% if backup_codes %}
+          <h1 class="card-title">{% trans 'Guarda tus códigos de respaldo' %}</h1>
+          <p class="text-sm text-base-content/70">
+            {% trans 'Cada uno sirve para iniciar sesión una vez si pierdes acceso a tu app de autenticación. Guárdalos en un sitio seguro: no se van a volver a mostrar.' %}
+          </p>
+          <ul class="grid grid-cols-2 gap-2 font-mono text-sm bg-base-200 rounded-box p-4">
+            {% for code in backup_codes %}
+              <li>{{ code }}</li>
+            {% endfor %}
+          </ul>
+          <a href="{% url 'crochet:account_settings' %}" class="btn btn-primary mt-4">{% trans 'Ya los he guardado' %}</a>
+        {% else %}
+          <h1 class="card-title">{% trans 'Activar verificación en dos pasos' %}</h1>
+          <p class="text-sm text-base-content/70">
+            {% trans 'Escanea este código con tu app de autenticación (Google Authenticator, Aegis, 1Password...) e introduce el código de 6 dígitos que te muestre para confirmar.' %}
+          </p>
+          <div class="flex justify-center py-2">
+            <div class="w-48 h-48 bg-white rounded-box p-3 [&>svg]:w-full [&>svg]:h-full">{{ qr_svg|safe }}</div>
+          </div>
+          <form method="post" class="flex flex-col gap-3">
+            {% csrf_token %}
+            <label class="flex flex-col gap-1">
+              <span class="text-sm">{{ setup_form.token.label }}</span>
+              {{ setup_form.token }}
+              {% for error in setup_form.token.errors %}
+                <span class="text-error text-xs">{{ error }}</span>
+              {% endfor %}
+            </label>
+            <button type="submit" class="btn btn-primary mt-2">{% trans 'Confirmar' %}</button>
+          </form>
+          <p class="text-sm text-center mt-2">
+            <a href="{% url 'crochet:account_settings' %}" class="link link-primary">{% trans 'Cancelar' %}</a>
+          </p>
+        {% endif %}
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/templates/registration/register_done.html

@@ -0,0 +1,24 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Confirma tu email' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body text-center">
+        <h1 class="card-title justify-center">{% trans 'Revisa tu email' %}</h1>
+        <p class="text-sm text-base-content/70">
+          {% trans 'Te hemos enviado un enlace para confirmar tu cuenta. Ábrelo desde tu bandeja de entrada para poder iniciar sesión.' %}
+        </p>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:login' %}" class="link link-primary">{% trans 'Volver a iniciar sesión' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/templates/registration/two_factor_verify.html

@@ -0,0 +1,38 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Verificación en dos pasos' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body">
+        <h1 class="card-title">{% trans 'Verificación en dos pasos' %}</h1>
+        <p class="text-sm text-base-content/70">
+          {% trans 'Introduce el código de tu app de autenticación, o uno de tus códigos de respaldo si no tienes acceso a ella.' %}
+        </p>
+        <form method="post" class="flex flex-col gap-3">
+          {% csrf_token %}
+          <label class="flex flex-col gap-1">
+            <span class="text-sm">{{ form.token.label }}</span>
+            {{ form.token }}
+            {% for error in form.token.errors %}
+              <span class="text-error text-xs">{{ error }}</span>
+            {% endfor %}
+          </label>
+          <label class="flex items-center gap-2 text-sm">
+            {{ form.remember_device }} {{ form.remember_device.label }}
+          </label>
+          <button type="submit" class="btn btn-primary mt-2">{% trans 'Verificar' %}</button>
+        </form>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:login' %}" class="link link-primary">{% trans 'Volver a iniciar sesión' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/templates/registration/verify_email_invalid.html

@@ -0,0 +1,24 @@
+{% extends 'crochet/base.html' %}
+{% load i18n %}
+
+{% block title %}{% trans 'Enlace no válido' %}{% endblock %}
+
+{% block extra_css %}
+  {% include 'crochet/_platform_assets.html' %}
+{% endblock %}
+
+{% block content %}
+  <main class="flex justify-center px-4 py-12">
+    <div class="card w-full max-w-sm bg-base-100 shadow-xl border border-base-300">
+      <div class="card-body">
+        <h1 class="card-title">{% trans 'Enlace no válido' %}</h1>
+        <p class="text-sm text-base-content/70">
+          {% trans 'El enlace de confirmación no es válido, puede que ya se haya usado o que la cuenta ya esté verificada.' %}
+        </p>
+        <p class="text-sm text-center mt-2">
+          <a href="{% url 'crochet:login' %}" class="link link-primary">{% trans 'Ir a iniciar sesión' %}</a>
+        </p>
+      </div>
+    </div>
+  </main>
+{% endblock %}

crochet/tests/test_auth.py

@@ -1,4 +1,5 @@
 from django.contrib.auth.models import User
+from django.core import mail
 from django.test import TestCase
 from django.urls import reverse
 from django.utils import translation
@@ -17,7 +18,7 @@ class RegisterViewTests(TestCase):
         self.assertEqual(response.status_code, 200)
         self.assertTemplateUsed(response, 'registration/register.html')
 
-    def test_post_creates_user_and_logs_in(self):
+    def test_post_creates_inactive_user_and_sends_verification_email(self):
         response = self.client.post(self.url, {
             'username': 'crocheter',
             'email': 'crocheter@example.com',
@@ -27,8 +28,12 @@ class RegisterViewTests(TestCase):
 
         user = User.objects.get(username='crocheter')
         self.assertEqual(user.email, 'crocheter@example.com')
-        self.assertRedirects(response, reverse('crochet:home'))
-        self.assertIn('_auth_user_id', self.client.session)
+        self.assertFalse(user.is_active)
+        with translation.override('es'):
+            self.assertRedirects(response, reverse('crochet:register_done'))
+        self.assertNotIn('_auth_user_id', self.client.session)
+        self.assertEqual(len(mail.outbox), 1)
+        self.assertEqual(mail.outbox[0].to, ['crocheter@example.com'])
 
     def test_post_with_mismatched_passwords_does_not_create_user(self):
         response = self.client.post(self.url, {

crochet/tests/test_cover_image.py

@@ -4,7 +4,7 @@ from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import SimpleTestCase
 from PIL import Image
 
-from crochet.cover_image import InvalidCoverImage, LARGE_MAX_SIZE, THUMBNAIL_MAX_SIZE, build_cover_image_variants
+from crochet.cover_image import LARGE_MAX_SIZE, THUMBNAIL_MAX_SIZE, InvalidCoverImage, build_cover_image_variants
 
 
 def make_image_file(size=(2000, 1000), mode='RGB', color='red', name='cover.png', format='PNG'):

crochet/tests/test_email_verification.py

@@ -0,0 +1,92 @@
+from django.contrib.auth import get_user_model
+from django.test import TestCase
+from django.urls import reverse
+from django.utils import translation
+from django.utils.encoding import force_bytes
+from django.utils.http import urlsafe_base64_encode
+
+from crochet.tokens import email_verification_token
+
+User = get_user_model()
+
+
+class VerifyEmailViewTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(
+            username='testuser',
+            password='a-very-uncommon-pw-1',
+            email='testuser@example.com',
+            is_active=False,
+        )
+        self.uid = urlsafe_base64_encode(force_bytes(self.user.pk))
+        self.token = email_verification_token.make_token(self.user)
+        with translation.override('es'):
+            self.url = reverse('crochet:verify_email', kwargs={'uidb64': self.uid, 'token': self.token})
+
+    def test_valid_link_activates_and_logs_in(self):
+        response = self.client.get(self.url)
+
+        self.user.refresh_from_db()
+        self.assertTrue(self.user.is_active)
+        self.assertIn('_auth_user_id', self.client.session)
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+
+    def test_already_active_user_rejects_the_token(self):
+        # El hash del token incluye is_active (ver EmailVerificationTokenGenerator):
+        # una vez activada la cuenta, el mismo enlace ya no debe volver a
+        # funcionar si alguien lo reutiliza (p. ej. interceptado en un
+        # cliente de correo compartido).
+        self.user.is_active = True
+        self.user.save(update_fields=['is_active'])
+
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 400)
+        self.assertTemplateUsed(response, 'registration/verify_email_invalid.html')
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+    def test_invalid_token_does_not_activate(self):
+        with translation.override('es'):
+            url = reverse('crochet:verify_email', kwargs={'uidb64': self.uid, 'token': 'not-a-real-token'})
+
+        response = self.client.get(url)
+
+        self.user.refresh_from_db()
+        self.assertFalse(self.user.is_active)
+        self.assertEqual(response.status_code, 400)
+        self.assertTemplateUsed(response, 'registration/verify_email_invalid.html')
+
+    def test_unknown_uid_does_not_activate(self):
+        bogus_uid = urlsafe_base64_encode(force_bytes(self.user.pk + 1000))
+        with translation.override('es'):
+            url = reverse('crochet:verify_email', kwargs={'uidb64': bogus_uid, 'token': self.token})
+
+        response = self.client.get(url)
+
+        self.assertEqual(response.status_code, 400)
+        self.assertTemplateUsed(response, 'registration/verify_email_invalid.html')
+
+    def test_malformed_uid_does_not_error(self):
+        with translation.override('es'):
+            url = reverse('crochet:verify_email', kwargs={'uidb64': 'not-base64!!', 'token': self.token})
+
+        response = self.client.get(url)
+
+        self.assertEqual(response.status_code, 400)
+        self.assertTemplateUsed(response, 'registration/verify_email_invalid.html')
+
+    def test_inactive_user_cannot_log_in_before_verifying(self):
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        response = self.client.post(
+            login_url,
+            {
+                'username': 'testuser',
+                'password': 'a-very-uncommon-pw-1',
+            },
+        )
+
+        self.assertEqual(response.status_code, 200)
+        self.assertNotIn('_auth_user_id', self.client.session)

crochet/tests/test_error_pages.py

@@ -0,0 +1,30 @@
+from django.test import RequestFactory, TestCase, override_settings
+from django.views.defaults import server_error
+
+
+class Custom404Tests(TestCase):
+    # DEBUG=False a propósito: con DEBUG=True Django muestra su propia
+    # página técnica de depuración para un 404 en vez de la plantilla
+    # personalizada (ver django.core.handlers.exception.response_for_exception),
+    # así que sin esto la prueba pasaría igual sin haber comprobado nada.
+    @override_settings(DEBUG=False)
+    def test_unknown_url_shows_the_custom_404_page(self):
+        response = self.client.get('/es/esta-ruta-no-existe-de-verdad/')
+
+        self.assertEqual(response.status_code, 404)
+        self.assertContains(response, 'Página no encontrada', status_code=404)
+
+
+class Custom500Tests(TestCase):
+    def test_renders_without_any_request_context(self):
+        # server_error() renderiza la plantilla con "template.render()", sin
+        # ningún Context ni request (ver django/views/defaults.py) -por eso
+        # 500.html no puede depender de session/usuario/context processors-.
+        # El propio request de RequestFactory es solo para que el decorador
+        # @requires_csrf_token de la vista tenga algo real que mirar; no
+        # llega en ningún momento a la plantilla.
+        request = RequestFactory().get('/')
+        response = server_error(request)
+
+        self.assertEqual(response.status_code, 500)
+        self.assertContains(response, 'ido mal', status_code=500)

crochet/tests/test_pattern_render.py

@@ -118,7 +118,9 @@ class RenderPatternHtmlTests(SimpleTestCase):
 
     def test_subtitle_section(self):
         html = self.render([{'type': 'subtitle', 'text': {'es': 'Vueltas 1-10'}}])
-        self.assertIn('<h4 class="text-[1em] font-semibold mt-1 mb-1 text-[var(--accent-color)]">Vueltas 1-10</h4>', html)
+        self.assertIn(
+            '<h4 class="text-[1em] font-semibold mt-1 mb-1 text-[var(--accent-color)]">Vueltas 1-10</h4>', html,
+        )
 
     def test_text_section(self):
         html = self.render([{'type': 'text', 'text': {'es': 'Un párrafo cualquiera.'}}])
@@ -180,7 +182,9 @@ class RenderPatternHtmlTests(SimpleTestCase):
 
     def test_dnd_section_uses_current_language(self):
         stitch_types = [{'id': 1, 'translations': {'es': 'Punto bajo', 'en': 'SC'}}]
-        html = self.render([{'type': 'dnd', 'items': [{'stitchTypeId': 1, 'count': 2}]}], lang='en', stitch_types=stitch_types)
+        html = self.render(
+            [{'type': 'dnd', 'items': [{'stitchTypeId': 1, 'count': 2}]}], lang='en', stitch_types=stitch_types,
+        )
         self.assertIn('2 SC', html)
 
     def test_dnd_section_skips_unknown_stitch_type(self):

crochet/tests/test_rate_limiting.py

@@ -0,0 +1,94 @@
+from django.contrib.auth import get_user_model
+from django.test import TestCase
+from django.urls import reverse
+from django.utils import translation
+from django_otp.plugins.otp_totp.models import TOTPDevice
+
+User = get_user_model()
+
+
+class LoginRateLimitTests(TestCase):
+    def setUp(self):
+        with translation.override('es'):
+            self.url = reverse('crochet:login')
+
+    def test_tenth_attempt_within_a_minute_still_goes_through(self):
+        for _ in range(10):
+            response = self.client.post(self.url, {'username': 'nobody', 'password': 'wrong'})
+            self.assertEqual(response.status_code, 200)
+
+    def test_eleventh_attempt_within_a_minute_is_blocked(self):
+        for _ in range(10):
+            self.client.post(self.url, {'username': 'nobody', 'password': 'wrong'})
+
+        response = self.client.post(self.url, {'username': 'nobody', 'password': 'wrong'})
+
+        self.assertEqual(response.status_code, 403)
+
+    def test_get_requests_are_not_rate_limited(self):
+        # Solo se limita method='POST' (ver LOGIN_RATE en crochet/views.py):
+        # la propia página de login debe poder cargarse las veces que haga
+        # falta, el límite es sobre los intentos de credenciales.
+        for _ in range(15):
+            response = self.client.get(self.url)
+            self.assertEqual(response.status_code, 200)
+
+
+class RegisterRateLimitTests(TestCase):
+    def setUp(self):
+        with translation.override('es'):
+            self.url = reverse('crochet:register')
+
+    def test_sixth_registration_attempt_within_a_minute_is_blocked(self):
+        # Solo el primer POST crea la cuenta (302); los siguientes fallan la
+        # validación por "nombre de usuario ya existe" (200 con errores en
+        # el formulario), pero eso no importa aquí: lo que se comprueba es
+        # que ninguno de los cinco primeros lo bloquea el límite (403), y
+        # que el sexto sí.
+        payload = {
+            'username': 'testuser',
+            'email': 'testuser@example.com',
+            'password1': 'a-very-uncommon-pw-1',
+            'password2': 'a-very-uncommon-pw-1',
+        }
+        for _ in range(5):
+            response = self.client.post(self.url, payload)
+            self.assertIn(response.status_code, (200, 302))
+
+        response = self.client.post(self.url, payload)
+
+        self.assertEqual(response.status_code, 403)
+
+
+class PasswordResetRateLimitTests(TestCase):
+    def setUp(self):
+        with translation.override('es'):
+            self.url = reverse('crochet:password_reset')
+
+    def test_sixth_request_within_a_minute_is_blocked(self):
+        for _ in range(5):
+            response = self.client.post(self.url, {'email': 'nobody@example.com'})
+            self.assertEqual(response.status_code, 302)
+
+        response = self.client.post(self.url, {'email': 'nobody@example.com'})
+
+        self.assertEqual(response.status_code, 403)
+
+
+class TwoFactorVerifyRateLimitTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='testuser', password='a-very-uncommon-pw-1')
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+            self.url = reverse('crochet:two_factor_verify')
+        self.client.post(login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+
+    def test_eleventh_attempt_within_a_minute_is_blocked(self):
+        for _ in range(10):
+            response = self.client.post(self.url, {'token': '000000'})
+            self.assertEqual(response.status_code, 200)
+
+        response = self.client.post(self.url, {'token': '000000'})
+
+        self.assertEqual(response.status_code, 403)

crochet/tests/test_two_factor.py

@@ -0,0 +1,395 @@
+from datetime import timedelta
+
+from django.contrib.auth import get_user_model
+from django.test import TestCase
+from django.urls import reverse
+from django.utils import timezone, translation
+from django_otp.oath import totp
+from django_otp.plugins.otp_static.models import StaticDevice, StaticToken
+from django_otp.plugins.otp_totp.models import TOTPDevice
+
+from crochet.models import TwoFactorRememberedDevice
+
+User = get_user_model()
+
+
+def current_totp_code(device):
+    code = totp(device.bin_key, device.step, device.t0, device.digits, device.drift)
+    return str(code).zfill(device.digits)
+
+
+class TwoFactorSetupViewTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='testuser', password='a-very-uncommon-pw-1')
+        self.client.force_login(self.user)
+        with translation.override('es'):
+            self.url = reverse('crochet:two_factor_setup')
+
+    def test_anonymous_user_is_redirected_to_login(self):
+        self.client.logout()
+        response = self.client.get(self.url)
+
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        self.assertRedirects(response, f'{login_url}?next={self.url}')
+
+    def test_get_shows_a_qr_code_and_creates_an_unconfirmed_device(self):
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, '<svg')
+        device = TOTPDevice.objects.get(user=self.user)
+        self.assertFalse(device.confirmed)
+
+    def test_reloading_the_page_reuses_the_same_device(self):
+        self.client.get(self.url)
+        first_key = TOTPDevice.objects.get(user=self.user).key
+
+        self.client.get(self.url)
+
+        self.assertEqual(TOTPDevice.objects.filter(user=self.user).count(), 1)
+        self.assertEqual(TOTPDevice.objects.get(user=self.user).key, first_key)
+
+    def test_correct_code_confirms_the_device_and_shows_backup_codes(self):
+        self.client.get(self.url)
+        device = TOTPDevice.objects.get(user=self.user)
+
+        response = self.client.post(self.url, {'token': current_totp_code(device)})
+
+        self.assertEqual(response.status_code, 200)
+        device.refresh_from_db()
+        self.assertTrue(device.confirmed)
+        static_device = StaticDevice.objects.get(user=self.user)
+        codes = list(static_device.token_set.values_list('token', flat=True))
+        self.assertEqual(len(codes), 10)
+        for code in codes:
+            self.assertContains(response, code)
+
+    def test_wrong_code_does_not_confirm_the_device(self):
+        self.client.get(self.url)
+
+        response = self.client.post(self.url, {'token': '000000'})
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'Código incorrecto.')
+        self.assertFalse(TOTPDevice.objects.get(user=self.user).confirmed)
+        self.assertFalse(StaticDevice.objects.filter(user=self.user).exists())
+
+    def test_already_enabled_user_is_redirected_to_account_settings(self):
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+
+        response = self.client.get(self.url)
+
+        with translation.override('es'):
+            settings_url = reverse('crochet:account_settings')
+        self.assertRedirects(response, settings_url)
+
+
+class TwoFactorLoginTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='testuser', password='a-very-uncommon-pw-1')
+        with translation.override('es'):
+            self.login_url = reverse('crochet:login')
+            self.verify_url = reverse('crochet:two_factor_verify')
+
+    def test_login_without_2fa_enabled_logs_in_directly(self):
+        response = self.client.post(
+            self.login_url,
+            {
+                'username': 'testuser',
+                'password': 'a-very-uncommon-pw-1',
+            },
+        )
+
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+        self.assertIn('_auth_user_id', self.client.session)
+
+    def test_login_with_2fa_enabled_does_not_log_in_yet(self):
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+
+        response = self.client.post(
+            self.login_url,
+            {
+                'username': 'testuser',
+                'password': 'a-very-uncommon-pw-1',
+            },
+        )
+
+        self.assertRedirects(response, self.verify_url)
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+    def test_verify_with_correct_totp_code_logs_in(self):
+        device = TOTPDevice.objects.create(user=self.user, confirmed=True)
+        self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+
+        response = self.client.post(self.verify_url, {'token': current_totp_code(device)})
+
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+        self.assertIn('_auth_user_id', self.client.session)
+
+    def test_verify_with_wrong_code_does_not_log_in(self):
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+        self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+
+        response = self.client.post(self.verify_url, {'token': '000000'})
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'Código incorrecto.')
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+    def test_verify_with_a_backup_code_logs_in_and_consumes_it(self):
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+        static_device = StaticDevice.objects.create(user=self.user, confirmed=True)
+        StaticToken.objects.create(device=static_device, token='abcd1234')
+        self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+
+        response = self.client.post(self.verify_url, {'token': 'abcd1234'})
+
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+        self.assertFalse(StaticToken.objects.filter(device=static_device, token='abcd1234').exists())
+
+    def test_reusing_a_backup_code_fails(self):
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+        static_device = StaticDevice.objects.create(user=self.user, confirmed=True)
+        StaticToken.objects.create(device=static_device, token='abcd1234')
+        self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+        self.client.post(self.verify_url, {'token': 'abcd1234'})
+        self.client.logout()
+
+        self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+        response = self.client.post(self.verify_url, {'token': 'abcd1234'})
+
+        self.assertContains(response, 'Código incorrecto.')
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+    def test_verify_without_a_pending_login_redirects_to_login(self):
+        response = self.client.get(self.verify_url)
+
+        self.assertRedirects(response, self.login_url)
+
+    def test_unconfirmed_device_does_not_trigger_2fa(self):
+        # Un TOTPDevice sin confirmar (alta a medias, ver TwoFactorSetupView)
+        # no debe poder usarse para exigir el segundo paso: user_has_device()
+        # ya filtra por confirmed=True.
+        TOTPDevice.objects.create(user=self.user, confirmed=False)
+
+        response = self.client.post(
+            self.login_url,
+            {
+                'username': 'testuser',
+                'password': 'a-very-uncommon-pw-1',
+            },
+        )
+
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+        self.assertIn('_auth_user_id', self.client.session)
+
+
+class TwoFactorDisableViewTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='testuser', password='a-very-uncommon-pw-1')
+        self.client.force_login(self.user)
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+        static_device = StaticDevice.objects.create(user=self.user, confirmed=True)
+        StaticToken.objects.create(device=static_device, token='abcd1234')
+        with translation.override('es'):
+            self.url = reverse('crochet:two_factor_disable')
+
+    def test_correct_password_disables_2fa_and_removes_backup_codes(self):
+        response = self.client.post(self.url, {'password': 'a-very-uncommon-pw-1'})
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'Desactivada')
+        self.assertFalse(TOTPDevice.objects.filter(user=self.user).exists())
+        self.assertFalse(StaticDevice.objects.filter(user=self.user).exists())
+
+    def test_wrong_password_does_not_disable_2fa(self):
+        response = self.client.post(self.url, {'password': 'wrong-password'})
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'class="text-error text-xs"')
+        self.assertTrue(TOTPDevice.objects.filter(user=self.user).exists())
+
+    def test_wrong_password_reopens_the_confirmation_modal(self):
+        # Al intercambiarse el fragmento entero (ver hx-target en
+        # _account_2fa_status.html), el <dialog> se sustituye por uno
+        # nuevo, que por defecto no está abierto: data-reopen es lo que le
+        # dice a modal-reopen.js que llame a showModal() tras el swap.
+        response = self.client.post(self.url, {'password': 'wrong-password'})
+
+        self.assertContains(response, 'data-reopen')
+
+    def test_anonymous_user_is_redirected_to_login(self):
+        self.client.logout()
+        response = self.client.post(self.url, {'password': 'a-very-uncommon-pw-1'})
+
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        self.assertRedirects(response, f'{login_url}?next={self.url}')
+
+
+class RememberDeviceTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='testuser', password='a-very-uncommon-pw-1')
+        self.device = TOTPDevice.objects.create(user=self.user, confirmed=True)
+        with translation.override('es'):
+            self.login_url = reverse('crochet:login')
+            self.verify_url = reverse('crochet:two_factor_verify')
+
+    def _login_and_verify(self, remember_device=False, user_agent=''):
+        self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+        data = {'token': current_totp_code(self.device)}
+        if remember_device:
+            data['remember_device'] = 'on'
+        return self.client.post(self.verify_url, data, HTTP_USER_AGENT=user_agent)
+
+    def _logout(self):
+        # Client.logout() vacía TODAS las cookies del cliente de test (ver
+        # su código fuente), no solo la de sesión, así que "olvidaría" de
+        # golpe la cookie de dispositivo recordado -algo que un logout de
+        # verdad (el de la propia app, ver crochet:logout) no hace-. Se prueba
+        # contra ese en vez de contra el atajo del test client.
+        with translation.override('es'):
+            logout_url = reverse('crochet:logout')
+        self.client.post(logout_url)
+
+    def test_marking_remember_device_sets_a_cookie_and_a_db_row(self):
+        response = self._login_and_verify(remember_device=True)
+
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+        self.assertIn('two_factor_remember', response.cookies)
+        self.assertEqual(TwoFactorRememberedDevice.objects.filter(user=self.user).count(), 1)
+
+    def test_without_remember_device_no_cookie_or_row_is_created(self):
+        response = self._login_and_verify(remember_device=False)
+
+        self.assertNotIn('two_factor_remember', response.cookies)
+        self.assertFalse(TwoFactorRememberedDevice.objects.filter(user=self.user).exists())
+
+    def test_next_login_from_a_remembered_device_skips_two_factor(self):
+        self._login_and_verify(remember_device=True)
+        self._logout()
+
+        response = self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+
+        with translation.override('es'):
+            home_url = reverse('crochet:home')
+        self.assertRedirects(response, home_url)
+        self.assertIn('_auth_user_id', self.client.session)
+
+    def test_expired_remembered_device_does_not_skip_two_factor(self):
+        self._login_and_verify(remember_device=True)
+        TwoFactorRememberedDevice.objects.update(expires_at=timezone.now() - timedelta(days=1))
+        self._logout()
+
+        response = self.client.post(self.login_url, {'username': 'testuser', 'password': 'a-very-uncommon-pw-1'})
+
+        self.assertRedirects(response, self.verify_url)
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+    def test_a_remembered_device_from_another_user_does_not_skip_two_factor(self):
+        self._login_and_verify(remember_device=True)
+        self._logout()
+        other = User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        TOTPDevice.objects.create(user=other, confirmed=True)
+
+        response = self.client.post(self.login_url, {'username': 'other', 'password': 'a-very-uncommon-pw-1'})
+
+        self.assertRedirects(response, self.verify_url)
+        self.assertNotIn('_auth_user_id', self.client.session)
+
+    def test_disabling_two_factor_forgets_remembered_devices(self):
+        self._login_and_verify(remember_device=True)
+        with translation.override('es'):
+            disable_url = reverse('crochet:two_factor_disable')
+
+        self.client.post(disable_url, {'password': 'a-very-uncommon-pw-1'})
+
+        self.assertFalse(TwoFactorRememberedDevice.objects.filter(user=self.user).exists())
+
+    def test_device_name_is_extracted_from_the_user_agent(self):
+        user_agent = (
+            'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 '
+            '(KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36'
+        )
+
+        self._login_and_verify(remember_device=True, user_agent=user_agent)
+
+        device = TwoFactorRememberedDevice.objects.get(user=self.user)
+        self.assertEqual(device.device_name, 'Chrome (Windows)')
+
+    def test_account_settings_shows_the_remembered_device(self):
+        self._login_and_verify(remember_device=True, user_agent='Mozilla/5.0 Firefox/128.0')
+        with translation.override('es'):
+            settings_url = reverse('crochet:account_settings')
+
+        response = self.client.get(settings_url)
+
+        self.assertContains(response, 'Firefox')
+
+
+class ForgetDeviceViewTests(TestCase):
+    def setUp(self):
+        self.user = User.objects.create_user(username='testuser', password='a-very-uncommon-pw-1')
+        TOTPDevice.objects.create(user=self.user, confirmed=True)
+        self.client.force_login(self.user)
+        self.device = TwoFactorRememberedDevice.objects.create(
+            user=self.user,
+            token='abc123',
+            device_name='Firefox (Linux)',
+            expires_at=timezone.now() + timedelta(days=30),
+        )
+        with translation.override('es'):
+            self.url = reverse('crochet:two_factor_forget_device', args=[self.device.pk])
+
+    def test_forgets_the_device(self):
+        response = self.client.post(self.url)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertNotContains(response, 'Firefox (Linux)')
+        self.assertFalse(TwoFactorRememberedDevice.objects.filter(pk=self.device.pk).exists())
+
+    def test_forgetting_the_current_browsers_device_clears_its_cookie(self):
+        self.client.cookies['two_factor_remember'] = 'abc123'
+
+        response = self.client.post(self.url)
+
+        self.assertEqual(response.cookies['two_factor_remember'].value, '')
+
+    def test_forgetting_another_devices_cookie_is_left_alone(self):
+        self.client.cookies['two_factor_remember'] = 'someone-elses-token'
+
+        response = self.client.post(self.url)
+
+        self.assertNotIn('two_factor_remember', response.cookies)
+
+    def test_cannot_forget_another_users_device(self):
+        other = User.objects.create_user(username='other', password='a-very-uncommon-pw-1')
+        other_device = TwoFactorRememberedDevice.objects.create(
+            user=other, token='xyz789', expires_at=timezone.now() + timedelta(days=30),
+        )
+        with translation.override('es'):
+            url = reverse('crochet:two_factor_forget_device', args=[other_device.pk])
+
+        response = self.client.post(url)
+
+        self.assertEqual(response.status_code, 404)
+        self.assertTrue(TwoFactorRememberedDevice.objects.filter(pk=other_device.pk).exists())
+
+    def test_anonymous_user_is_redirected_to_login(self):
+        self.client.logout()
+        response = self.client.post(self.url)
+
+        with translation.override('es'):
+            login_url = reverse('crochet:login')
+        self.assertRedirects(response, f'{login_url}?next={self.url}')

crochet/tests/test_user_agent.py

@@ -0,0 +1,50 @@
+from django.test import TestCase
+
+from crochet.user_agent import describe_device
+
+CHROME_WINDOWS = (
+    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 '
+    '(KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36'
+)
+FIREFOX_LINUX = 'Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0'
+SAFARI_IPHONE = (
+    'Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X) AppleWebKit/605.1.15 '
+    '(KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.1'
+)
+EDGE_WINDOWS = (
+    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 '
+    '(KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0'
+)
+CHROME_ANDROID = (
+    'Mozilla/5.0 (Linux; Android 14; Pixel 8) AppleWebKit/537.36 '
+    '(KHTML, like Gecko) Chrome/128.0.0.0 Mobile Safari/537.36'
+)
+
+
+class DescribeDeviceTests(TestCase):
+    def test_chrome_on_windows(self):
+        self.assertEqual(describe_device(CHROME_WINDOWS), 'Chrome (Windows)')
+
+    def test_firefox_on_linux(self):
+        self.assertEqual(describe_device(FIREFOX_LINUX), 'Firefox (Linux)')
+
+    def test_safari_on_iphone(self):
+        self.assertEqual(describe_device(SAFARI_IPHONE), 'Safari (iPhone)')
+
+    def test_edge_is_not_mistaken_for_chrome(self):
+        self.assertEqual(describe_device(EDGE_WINDOWS), 'Edge (Windows)')
+
+    def test_chrome_on_android_is_not_mistaken_for_linux_desktop(self):
+        # "Android" no lleva "Linux" en la comprobación de _OPERATING_SYSTEMS,
+        # pero el User-Agent de Chrome/Android sí incluye la palabra "Linux"
+        # de fábrica (el kernel), así que Android tiene que comprobarse antes.
+        self.assertEqual(describe_device(CHROME_ANDROID), 'Chrome (Android)')
+
+    def test_empty_user_agent(self):
+        self.assertEqual(describe_device(''), 'Dispositivo desconocido')
+
+    def test_none_user_agent(self):
+        self.assertEqual(describe_device(None), 'Dispositivo desconocido')
+
+    def test_unrecognized_user_agent(self):
+        self.assertEqual(describe_device('SomeBot/1.0'), 'Dispositivo desconocido')

crochet/tokens.py

@@ -0,0 +1,15 @@
+from django.contrib.auth.tokens import PasswordResetTokenGenerator
+
+
+class EmailVerificationTokenGenerator(PasswordResetTokenGenerator):
+    # Mismo mecanismo que el token de recuperación de contraseña (hash
+    # firmado con SECRET_KEY, sin guardar nada en base de datos), pero con
+    # su propia clase: incluir is_active en el hash (a diferencia del
+    # genérico, que solo mira password/last_login) hace que el enlace deje
+    # de ser válido en cuanto se usa una vez, ya que activar la cuenta
+    # cambia is_active de False a True.
+    def _make_hash_value(self, user, timestamp):
+        return f'{user.pk}{user.is_active}{timestamp}'
+
+
+email_verification_token = EmailVerificationTokenGenerator()

crochet/urls.py

@@ -19,7 +19,15 @@ from crochet.views import (
     PatternImageUploadView,
     PatternPdfView,
     PatternSaveView,
+    RateLimitedLoginView,
+    RateLimitedPasswordResetView,
+    RegisterDoneView,
     RegisterView,
+    TwoFactorDisableView,
+    TwoFactorForgetDeviceView,
+    TwoFactorSetupView,
+    TwoFactorVerifyView,
+    VerifyEmailView,
 )
 
 app_name = 'crochet'
@@ -55,17 +63,26 @@ urlpatterns = [
         view=AccountDisplayNameUpdateView.as_view(),
     ),
     path(_('account/settings/delete/'), name='account_settings_delete', view=AccountDeleteView.as_view()),
+    path(_('account/settings/2fa/setup/'), name='two_factor_setup', view=TwoFactorSetupView.as_view()),
+    path(_('account/settings/2fa/disable/'), name='two_factor_disable', view=TwoFactorDisableView.as_view()),
+    path(
+        _('account/settings/2fa/devices/<int:device_id>/forget/'),
+        name='two_factor_forget_device', view=TwoFactorForgetDeviceView.as_view(),
+    ),
     path(_('account/register/'), name='register', view=RegisterView.as_view()),
+    path(_('account/register/done/'), name='register_done', view=RegisterDoneView.as_view()),
+    path(_('account/verify/<uidb64>/<token>/'), name='verify_email', view=VerifyEmailView.as_view()),
+    path(_('account/2fa/verify/'), name='two_factor_verify', view=TwoFactorVerifyView.as_view()),
     path(
         _('account/login/'), name='login',
-        view=auth_views.LoginView.as_view(
+        view=RateLimitedLoginView.as_view(
             template_name='registration/login.html', authentication_form=StyledAuthenticationForm,
         ),
     ),
     path(_('account/logout/'), name='logout', view=auth_views.LogoutView.as_view()),
     path(
         _('account/password-reset/'), name='password_reset',
-        view=auth_views.PasswordResetView.as_view(
+        view=RateLimitedPasswordResetView.as_view(
             # No en registration/ (a diferencia de login.html/register.html):
             # django.contrib.admin trae sus propias plantillas con estos
             # mismos nombres bajo registration/ y, al ir antes que crochet

crochet/user_agent.py

@@ -0,0 +1,40 @@
+from django.utils.translation import gettext
+
+# Descripción legible del User-Agent para TwoFactorRememberedDevice.
+# Heurística a base de subcadenas, no un parser exhaustivo: solo pretende
+# ayudar a reconocer el dispositivo en la lista de ajustes de cuenta, no
+# ser una fuente fiable (un User-Agent se falsifica sin esfuerzo). El orden
+# importa: Edge/Opera/Chrome-en-iOS/Firefox-en-iOS incluyen "Chrome/" o
+# "Safari/" en su propio User-Agent, así que hay que descartarlos antes de
+# llegar a esas dos entradas genéricas.
+_BROWSERS = (
+    ('Edg/', 'Edge'),
+    ('OPR/', 'Opera'),
+    ('CriOS/', 'Chrome'),
+    ('FxiOS/', 'Firefox'),
+    ('Chrome/', 'Chrome'),
+    ('Firefox/', 'Firefox'),
+    ('Safari/', 'Safari'),
+)
+
+_OPERATING_SYSTEMS = (
+    ('Windows', 'Windows'),
+    ('Android', 'Android'),
+    ('iPhone', 'iPhone'),
+    ('iPad', 'iPad'),
+    ('Mac OS X', 'macOS'),
+    ('Linux', 'Linux'),
+)
+
+
+def describe_device(user_agent):
+    user_agent = (user_agent or '').strip()
+    if not user_agent:
+        return gettext('Dispositivo desconocido')
+
+    browser = next((name for token, name in _BROWSERS if token in user_agent), None)
+    os_name = next((name for token, name in _OPERATING_SYSTEMS if token in user_agent), None)
+
+    if browser and os_name:
+        return f'{browser} ({os_name})'
+    return browser or os_name or gettext('Dispositivo desconocido')

crochet/views.py

@@ -1,18 +1,36 @@
+import io
 import json
+import secrets
+from datetime import timedelta
 
+import qrcode
+import qrcode.image.svg
 import weasyprint
+from django.conf import settings
 from django.contrib import messages
-from django.contrib.auth import login, logout, update_session_auth_hash
+from django.contrib.auth import get_user_model, login, logout, update_session_auth_hash
+from django.contrib.auth import views as auth_views
 from django.contrib.auth.mixins import LoginRequiredMixin
+from django.contrib.sites.shortcuts import get_current_site
 from django.core.exceptions import PermissionDenied, SuspiciousFileOperation
+from django.core.mail import send_mail
 from django.http import HttpResponse, HttpResponseBadRequest, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.template.loader import render_to_string
 from django.urls import reverse, reverse_lazy
+from django.utils import timezone
+from django.utils.decorators import method_decorator
+from django.utils.encoding import force_bytes, force_str
+from django.utils.http import urlsafe_base64_decode, urlsafe_base64_encode
 from django.utils.text import get_valid_filename
-from django.utils.translation import get_language, gettext_lazy as _
+from django.utils.translation import get_language
+from django.utils.translation import gettext_lazy as _
 from django.views import View
 from django.views.generic import CreateView, DetailView, TemplateView
+from django_otp import user_has_device
+from django_otp.plugins.otp_static.models import StaticDevice, StaticToken
+from django_otp.plugins.otp_totp.models import TOTPDevice
+from django_ratelimit.decorators import ratelimit
 
 from crochet.cover_image import InvalidCoverImage, build_cover_image_variants
 from crochet.forms import (
@@ -21,13 +39,95 @@ from crochet.forms import (
     EmailUpdateForm,
     StyledPasswordChangeForm,
     StyledUserCreationForm,
+    TwoFactorDisableForm,
+    TwoFactorTokenForm,
+    TwoFactorVerifyForm,
 )
-from crochet.models import Pattern, PatternImage, StitchType
+from crochet.models import Pattern, PatternImage, StitchType, TwoFactorRememberedDevice
 from crochet.pattern_render import render_pattern_html, sanitize_page_settings
-
+from crochet.tokens import email_verification_token
+from crochet.user_agent import describe_device
 
 PATTERN_EMPTY_MESSAGE = _('Este patrón todavía no tiene contenido.')
 
+# Por IP (no por cuenta, para que fallar a propósito no pueda bloquear la
+# cuenta de otra persona): frena fuerza bruta en login y evita que
+# registro/recuperación de contraseña se usen para bombardear una bandeja
+# de entrada ajena o tantear qué emails/usuarios existen. Ver RATELIMIT_ENABLE
+# en env.py; con la petición número 11 (login) o 6 (registro/reset/código
+# de verificación en dos pasos) dentro del minuto, django-ratelimit lanza
+# Ratelimited (subclase de PermissionDenied: Django la convierte en un 403
+# normal, sin nada más que configurar) en vez de dejar pasar la vista.
+LOGIN_RATE = '10/m'
+REGISTER_RATE = '5/m'
+PASSWORD_RESET_RATE = '5/m'
+TWO_FACTOR_RATE = '10/m'
+
+# Cuántos códigos de un solo uso se generan al activar la verificación en
+# dos pasos (ver TwoFactorSetupView), por si se pierde el acceso a la app
+# de autenticación.
+BACKUP_CODE_COUNT = 10
+
+# "Recordar este dispositivo" (ver TwoFactorVerifyForm/TwoFactorVerifyView):
+# cuántos días se salta el segundo paso en el mismo navegador tras marcar
+# la casilla, y el nombre de la cookie (firmada solo por su propia
+# aleatoriedad -32 bytes de secrets.token_urlsafe-, no con django.core.signing:
+# es un token opaco que se compara contra TwoFactorRememberedDevice, no un
+# valor que haga falta decodificar).
+REMEMBER_DEVICE_DAYS = 30
+REMEMBER_DEVICE_COOKIE = 'two_factor_remember'
+
+
+def _is_device_remembered(request, user):
+    token = request.COOKIES.get(REMEMBER_DEVICE_COOKIE)
+    if not token:
+        return False
+    # Aprovecha esta misma consulta (una por intento de login con 2FA
+    # activada) para ir limpiando las filas ya caducadas de este usuario,
+    # en vez de necesitar un comando de limpieza aparte.
+    TwoFactorRememberedDevice.objects.filter(user=user, expires_at__lte=timezone.now()).delete()
+    return TwoFactorRememberedDevice.objects.filter(
+        user=user, token=token, expires_at__gt=timezone.now(),
+    ).exists()
+
+
+def _remembered_devices(user):
+    # Se usa tanto al renderizar ajustes de cuenta como al reintentar
+    # desactivar el 2FA con la contraseña equivocada (TwoFactorDisableView
+    # reutiliza el mismo fragmento): sin esto, la lista desaparecería del
+    # HTMX swap en ese segundo caso, aunque los dispositivos sigan ahí.
+    return TwoFactorRememberedDevice.objects.filter(user=user, expires_at__gt=timezone.now()).order_by('-created_at')
+
+
+def _render_2fa_status(request, disable_form):
+    return render(
+        request,
+        'crochet/_account_2fa_status.html',
+        {
+            'two_factor_enabled': user_has_device(request.user),
+            'two_factor_disable_form': disable_form,
+            'remembered_devices': _remembered_devices(request.user),
+        },
+    )
+
+
+def _remember_device(request, response, user):
+    token = secrets.token_urlsafe(32)
+    TwoFactorRememberedDevice.objects.create(
+        user=user,
+        token=token,
+        device_name=describe_device(request.META.get('HTTP_USER_AGENT', '')),
+        expires_at=timezone.now() + timedelta(days=REMEMBER_DEVICE_DAYS),
+    )
+    response.set_cookie(
+        REMEMBER_DEVICE_COOKIE,
+        token,
+        max_age=REMEMBER_DEVICE_DAYS * 24 * 60 * 60,
+        httponly=True,
+        secure=settings.SESSION_COOKIE_SECURE,
+        samesite='Lax',
+    )
+
 
 def _stitch_types_data():
     # Catálogo de puntos arrastrables (ver StitchType): es el mismo para
@@ -252,17 +352,272 @@ class PatternCoverImageUploadView(View):
         })
 
 
+@method_decorator(ratelimit(key='ip', rate=REGISTER_RATE, method='POST', block=True), name='post')
 class RegisterView(CreateView):
     # UserCreationForm ya pide justo nombre de usuario + contraseña (dos
     # veces, para confirmarla): no hace falta un formulario propio, solo la
     # versión con clases de daisyUI en sus widgets (ver crochet/forms.py).
     form_class = StyledUserCreationForm
     template_name = 'registration/register.html'
-    success_url = reverse_lazy('crochet:home')
+    success_url = reverse_lazy('crochet:register_done')
 
     def form_valid(self, form):
+        # Inactivo hasta que confirme el email (ver _send_verification_email
+        # y VerifyEmailView): ModelBackend.authenticate() ya rechaza a los
+        # usuarios inactivos, así que no hace falta ningún chequeo aparte
+        # para bloquearles el login mientras tanto.
+        form.instance.is_active = False
         response = super().form_valid(form)
-        login(self.request, self.object)
+        self._send_verification_email()
+        return response
+
+    def _send_verification_email(self):
+        user = self.object
+        current_site = get_current_site(self.request)
+        context = {
+            'user': user,
+            'site_name': settings.SITE_NAME,
+            'domain': current_site.domain,
+            'protocol': 'https' if self.request.is_secure() else 'http',
+            'uid': urlsafe_base64_encode(force_bytes(user.pk)),
+            'token': email_verification_token.make_token(user),
+        }
+        subject = ''.join(render_to_string('crochet/email/verify_email_subject.txt', context).splitlines())
+        send_mail(
+            subject=subject,
+            message=render_to_string('crochet/email/verify_email.txt', context),
+            from_email=None,
+            recipient_list=[user.email],
+            html_message=render_to_string('crochet/email/verify_email.html', context),
+        )
+
+
+class RegisterDoneView(TemplateView):
+    template_name = 'registration/register_done.html'
+
+
+class VerifyEmailView(View):
+    def get(self, request, uidb64, token):
+        user = self._get_user(uidb64)
+
+        if user is not None and email_verification_token.check_token(user, token):
+            user.is_active = True
+            user.save(update_fields=['is_active'])
+            login(request, user)
+            messages.success(request, _('Tu cuenta ha sido verificada. ¡Bienvenido/a!'))
+            return redirect('crochet:home')
+
+        return render(request, 'registration/verify_email_invalid.html', status=400)
+
+    def _get_user(self, uidb64):
+        User = get_user_model()
+        try:
+            uid = force_str(urlsafe_base64_decode(uidb64))
+            return User.objects.get(pk=uid)
+        except (TypeError, ValueError, OverflowError, User.DoesNotExist):
+            return None
+
+
+@method_decorator(ratelimit(key='ip', rate=LOGIN_RATE, method='POST', block=True), name='post')
+class RateLimitedLoginView(auth_views.LoginView):
+    # AuthenticationForm ya deja al usuario autenticado por contraseña en
+    # form.get_user(); si además tiene la verificación en dos pasos activada
+    # (ver TwoFactorSetupView), no se llama a login() todavía -eso dejaría
+    # la sesión ya completamente autenticada sin haber pedido el código-,
+    # sino que se guarda su id en sesión (sin loguearlo) y se le manda a
+    # completar el segundo paso en TwoFactorVerifyView. Salvo que este
+    # navegador ya esté recordado (ver TwoFactorVerifyForm.remember_device):
+    # entonces se salta directamente el segundo paso.
+    def form_valid(self, form):
+        user = form.get_user()
+        if user_has_device(user) and not _is_device_remembered(self.request, user):
+            self.request.session['pre_2fa_user_id'] = user.pk
+            self.request.session['pre_2fa_backend'] = user.backend
+            return redirect('crochet:two_factor_verify')
+        return super().form_valid(form)
+
+
+@method_decorator(ratelimit(key='ip', rate=TWO_FACTOR_RATE, method='POST', block=True), name='post')
+class TwoFactorVerifyView(View):
+    # Segundo paso del login (ver RateLimitedLoginView.form_valid): quien
+    # llega aquí ya ha demostrado conocer la contraseña, pero la sesión
+    # todavía no está autenticada -"pre_2fa_user_id" es solo un id guardado
+    # a mano en la sesión, no el resultado de login()-, así que no hay nada
+    # que proteger con LoginRequiredMixin.
+    def get(self, request):
+        if self._pending_user() is None:
+            return redirect('crochet:login')
+        return render(request, 'registration/two_factor_verify.html', {'form': TwoFactorVerifyForm()})
+
+    def post(self, request):
+        user = self._pending_user()
+        if user is None:
+            return redirect('crochet:login')
+
+        form = TwoFactorVerifyForm(request.POST)
+        if form.is_valid():
+            device = self._verify(user, form.cleaned_data['token'])
+            if device is not None:
+                del request.session['pre_2fa_user_id']
+                user.backend = request.session.pop('pre_2fa_backend')
+                # user.otp_device: django-otp engancha esto automáticamente
+                # a la sesión en cuanto login() dispara la señal
+                # user_logged_in (ver django_otp/__init__.py), sin tener que
+                # llamar aparte a django_otp.login().
+                user.otp_device = device
+                login(request, user)
+                response = redirect('crochet:home')
+                if form.cleaned_data['remember_device']:
+                    _remember_device(request, response, user)
+                return response
+            form.add_error('token', _('Código incorrecto.'))
+
+        return render(request, 'registration/two_factor_verify.html', {'form': form})
+
+    def _pending_user(self):
+        user_id = self.request.session.get('pre_2fa_user_id')
+        if not user_id:
+            return None
+        User = get_user_model()
+        try:
+            return User.objects.get(pk=user_id, is_active=True)
+        except User.DoesNotExist:
+            return None
+
+    def _verify(self, user, token):
+        # Se intenta primero el dispositivo TOTP (el código de 6 dígitos de
+        # la app) y solo si no hay o falla, los códigos de respaldo -no
+        # match_token() (recorre todos los dispositivos del usuario): según
+        # su propia documentación, un acierto contra uno cuenta como fallo
+        # frente a los demás a efectos de "throttling", lo que penalizaría
+        # sin motivo los códigos de respaldo cada vez que se usa la app
+        # normal.
+        totp_device = TOTPDevice.objects.filter(user=user, confirmed=True).first()
+        if totp_device is not None and totp_device.verify_token(token):
+            return totp_device
+
+        static_device = StaticDevice.objects.filter(user=user, confirmed=True).first()
+        if static_device is not None and static_device.verify_token(token):
+            return static_device
+
+        return None
+
+
+@method_decorator(ratelimit(key='ip', rate=PASSWORD_RESET_RATE, method='POST', block=True), name='post')
+class RateLimitedPasswordResetView(auth_views.PasswordResetView):
+    pass
+
+
+class TwoFactorSetupView(LoginRequiredMixin, View):
+    def get(self, request):
+        if user_has_device(request.user):
+            return redirect('crochet:account_settings')
+        device = self._pending_device(request.user)
+        return render(
+            request,
+            'crochet/two_factor_setup.html',
+            {
+                'qr_svg': self._qr_svg(device),
+                'setup_form': TwoFactorTokenForm(),
+            },
+        )
+
+    def post(self, request):
+        if user_has_device(request.user):
+            return redirect('crochet:account_settings')
+        device = self._pending_device(request.user)
+        form = TwoFactorTokenForm(request.POST)
+        if form.is_valid() and device.verify_token(form.cleaned_data['token']):
+            device.confirmed = True
+            device.save(update_fields=['confirmed'])
+            return render(
+                request,
+                'crochet/two_factor_setup.html',
+                {
+                    'backup_codes': self._generate_backup_codes(request.user),
+                },
+            )
+
+        form.add_error('token', _('Código incorrecto.'))
+        return render(
+            request,
+            'crochet/two_factor_setup.html',
+            {
+                'qr_svg': self._qr_svg(device),
+                'setup_form': form,
+            },
+        )
+
+    def _pending_device(self, user):
+        # Un único dispositivo TOTP sin confirmar por usuario: si recarga o
+        # falla el código y lo intenta de nuevo, sigue siendo el mismo (y
+        # el mismo QR), no uno nuevo cada vez.
+        device, _created = TOTPDevice.objects.get_or_create(
+            user=user,
+            confirmed=False,
+            defaults={'name': 'default'},
+        )
+        return device
+
+    def _qr_svg(self, device):
+        # django_otp.qr.write_qrcode_image() usa qrcode.image.svg.SvgImage,
+        # que dibuja cada módulo como un <svg:rect> con el prefijo de
+        # espacio de nombres "svg:". Eso es XML válido, pero el HTML
+        # insertado con {{ qr_svg|safe }} lo procesa el parser de HTML, que
+        # no resuelve prefijos de espacio de nombres: "svg:rect" no es una
+        # etiqueta reconocida y no se pinta nada. SvgPathImage genera un
+        # único <path> sin prefijo, que sí renderiza bien inline.
+        img = qrcode.make(device.config_url, image_factory=qrcode.image.svg.SvgPathImage)
+        buffer = io.BytesIO()
+        img.save(buffer)
+        return buffer.getvalue().decode('utf-8')
+
+    def _generate_backup_codes(self, user):
+        # Se regeneran de cero (no se añaden a las que hubiera): solo se
+        # llega aquí justo al confirmar el alta, cuando no puede haber
+        # ninguna todavía.
+        StaticDevice.objects.filter(user=user).delete()
+        device = StaticDevice.objects.create(user=user, name='backup')
+        codes = [StaticToken.random_token() for _ in range(BACKUP_CODE_COUNT)]
+        StaticToken.objects.bulk_create(StaticToken(device=device, token=code) for code in codes)
+        return codes
+
+
+class TwoFactorDisableView(LoginRequiredMixin, View):
+    def post(self, request):
+        form = TwoFactorDisableForm(request.POST, user=request.user)
+        disabled = form.is_valid()
+        if disabled:
+            TOTPDevice.objects.filter(user=request.user).delete()
+            StaticDevice.objects.filter(user=request.user).delete()
+            # Si se reactiva más adelante, no debería quedar ningún
+            # navegador saltándose el segundo paso de una configuración de
+            # 2FA que ya no existe (ver TwoFactorRememberedDevice).
+            TwoFactorRememberedDevice.objects.filter(user=request.user).delete()
+            form = TwoFactorDisableForm(user=request.user)
+
+        response = _render_2fa_status(request, form)
+        if disabled:
+            response.delete_cookie(REMEMBER_DEVICE_COOKIE)
+        return response
+
+
+class TwoFactorForgetDeviceView(LoginRequiredMixin, View):
+    # Botón "🗑️" por dispositivo en la lista de recordados (ver
+    # _account_2fa_status.html): no pide contraseña -a diferencia de
+    # desactivar el 2FA entero-, es un modal de confirmación simple, el
+    # riesgo de olvidar uno de tus propios dispositivos por error es bajo.
+    def post(self, request, device_id):
+        device = get_object_or_404(TwoFactorRememberedDevice, pk=device_id, user=request.user)
+        token = device.token
+        device.delete()
+
+        response = _render_2fa_status(request, TwoFactorDisableForm(user=request.user))
+        # Si el dispositivo borrado es este mismo navegador, que dicho
+        # navegador también deje de saltarse el segundo paso ahora mismo,
+        # no solo la próxima vez que alguien revise la lista.
+        if request.COOKIES.get(REMEMBER_DEVICE_COOKIE) == token:
+            response.delete_cookie(REMEMBER_DEVICE_COOKIE)
         return response
 
 
@@ -277,6 +632,9 @@ class AccountSettingsView(LoginRequiredMixin, TemplateView):
             user=self.request.user, initial={'display_name': self.request.user.first_name},
         )
         context['delete_form'] = AccountDeleteForm(user=self.request.user)
+        context['two_factor_enabled'] = user_has_device(self.request.user)
+        context['two_factor_disable_form'] = TwoFactorDisableForm(user=self.request.user)
+        context['remembered_devices'] = _remembered_devices(self.request.user)
         return context
 
 

docker-compose.yml

@@ -0,0 +1,47 @@
+services:
+  db:
+    image: postgres:18-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: django
+      POSTGRES_PASSWORD: django
+      POSTGRES_DB: django
+    ports:
+      - '6543:5432'
+    volumes:
+      - postgres_data:/var/lib/postgresql
+
+  garage:
+    image: dxflrs/garage:v2.3.0
+    restart: unless-stopped
+    command: /garage server --single-node --default-bucket
+    environment:
+      GARAGE_DEFAULT_ACCESS_KEY: GKa1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6
+      GARAGE_DEFAULT_SECRET_KEY: f0e1d2c3b4a5968778695a4b3c2d1e0ff0e1d2c3b4a5968778695a4b3c2d1e0f
+      GARAGE_DEFAULT_BUCKET: default-bucket
+    ports:
+      - '3900:3900'
+    volumes:
+      - ./garage.toml:/etc/garage.toml:ro
+      - garage_meta:/var/lib/garage/meta
+      - garage_data:/var/lib/garage/data
+
+  garage-webui:
+    image: khairul169/garage-webui:1.1.0
+    restart: unless-stopped
+    depends_on:
+      - garage
+    environment:
+      API_BASE_URL: http://garage:3903
+      S3_ENDPOINT_URL: http://garage:3900
+      # credenciales por defecto: usuario "admin", contraseña "garage-dev"
+      AUTH_USER_PASS: "admin:$2y$10$3vjqML.0sDjnnxgok9LYo.j5zGINkMwMFjzsFA9DQqZC55OVSd77K"
+    ports:
+      - '3909:3909'
+    volumes:
+      - ./garage.toml:/etc/garage.toml:ro
+
+volumes:
+  postgres_data:
+  garage_meta:
+  garage_data:

garage.toml

@@ -0,0 +1,18 @@
+metadata_dir = "/var/lib/garage/meta"
+data_dir = "/var/lib/garage/data"
+db_engine = "sqlite"
+
+replication_factor = 1
+
+rpc_bind_addr = "[::]:3901"
+rpc_public_addr = "garage:3901"
+rpc_secret = "f0e1d2c3b4a5968778695a4b3c2d1e0ff0e1d2c3b4a5968778695a4b3c2d1e0f"
+
+[s3_api]
+s3_region = "garage"
+api_bind_addr = "[::]:3900"
+
+[admin]
+api_bind_addr = "[::]:3903"
+admin_token = "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8="
+metrics_token = "Hx4dHBsaGRgXFhUUExIREA8ODQwLCgkIBwYFBAMCAQA="

pyproject.toml

@@ -11,12 +11,15 @@ dependencies = [
     "django-extensions>=4.1",
     "django-filter>=26.1",
     "django-htmx>=1.28.0",
+    "django-otp>=1.7.3",
+    "django-ratelimit>=4.1.0",
     "django-silk>=5.5.0",
-    "django-storages>=1.14.6",
+    "django-storages[s3]>=1.14.6",
     "ipython>=9.15.0",
     "pillow>=12.3.0",
     "psycopg[binary]>=3.3.4",
     "pytest-cov>=7.1.0",
+    "qrcode>=8.2",
     "uvicorn>=0.51.0",
     "watchman>=0.0.1",
     "weasyprint>=69.0",
@@ -29,9 +32,42 @@ dev = [
     "django-browser-reload>=1.21.0",
     "django-debug-toolbar>=7.0.0",
     "django-watchfiles>=1.4.0",
+    "pre-commit>=4.6.2",
     "pytest>=9.1.1",
     "pytest-django>=4.12.0",
+    "ruff>=0.16.7",
 ]
 
 [tool.pytest.ini_options]
 DJANGO_SETTINGS_MODULE = "config.settings"
+
+[tool.ruff]
+line-length = 120
+target-version = "py313"
+extend-exclude = ["*/migrations/*"]
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "I", "UP", "B", "DJ"]
+# B905 (zip sin strict=): no aplica a Python 3.13 sin más contexto, ruidoso
+# más que útil en este proyecto.
+ignore = ["B905"]
+
+[tool.ruff.lint.isort]
+known-first-party = ["crochet", "config"]
+
+[tool.ruff.lint.per-file-ignores]
+# base.py consume a propósito los nombres de env.py vía `from
+# config.settings.env import *` (ver env.py): ruff no puede saber que
+# vienen de ahí y los marca F403/F405, pero es justo el patrón que separa
+# "qué lee del entorno" de "qué depende de ello", no un descuido.
+"config/settings/base.py" = ["F403", "F405"]
+# __init__.py existe solo para reexportar env.py + base.py como un único
+# módulo "config.settings" (ver DJANGO_SETTINGS_MODULE en pyproject.toml):
+# su única línea de trabajo son estos dos star-imports.
+"config/settings/__init__.py" = ["F403"]
+
+[tool.ruff.format]
+# El proyecto entero usa comillas simples; sin esto, ruff format reescribe
+# todas las cadenas a comillas dobles (su estilo por defecto, tipo Black) en
+# cuanto se ejecute una vez.
+quote-style = "single"

uv.lock

@@ -32,6 +32,34 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/d4/2b/04b8a15f3a1c77bc79ddf5c73875327f34b4fa75982df2b76e45e402d364/asttokens-3.0.2-py3-none-any.whl", hash = "sha256:9da13157f5b28becde0bd374fc677dcd3c290614264eff096f167c469cd9f933", size = 28702, upload-time = "2026-07-12T03:31:47.542Z" },
 ]
 
+[[package]]
+name = "boto3"
+version = "1.43.95"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "botocore" },
+    { name = "jmespath" },
+    { name = "s3transfer" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/eb/ed/9d4d4e7d4b874c16f7b3a886efe3e45801e0f9ebb60058adf1bb69cb2073/boto3-1.43.95.tar.gz", hash = "sha256:9d71f299111e1f4e8c28f573a1b7c0555fe40d2147fe9bef852a02bd57cbde60", size = 112666, upload-time = "2026-09-15T19:23:49.395Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/66/6e/9c6fb58b1cdddf13b3e9edc94e0c6e08fff456355f6e097684d6117aa8d4/boto3-1.43.95-py3-none-any.whl", hash = "sha256:c906921c4f9ab41e9587af6586f072c8f2be6979e8bde2ec26aa443bb1745019", size = 140026, upload-time = "2026-09-15T19:23:47.563Z" },
+]
+
+[[package]]
+name = "botocore"
+version = "1.43.95"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "jmespath" },
+    { name = "python-dateutil" },
+    { name = "urllib3" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/db/2c/0031468b521eefed325a3da2d6576e068aab95837af0c96effea6438851c/botocore-1.43.95.tar.gz", hash = "sha256:779588da32bd48a7bb0c097da4bcb747260e86d2bfc507369dca56f1450e0722", size = 16106887, upload-time = "2026-09-15T19:23:44.23Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/e9/77/7ce7c937b31903f1402e478fdc97f98e727656fcea3cb54e74f1ca55793e/botocore-1.43.95-py3-none-any.whl", hash = "sha256:0fda26d16c7c7bf7082c421390a817b696f98a43d3da7c43dbbb093f76662876", size = 15800616, upload-time = "2026-09-15T19:23:41.228Z" },
+]
+
 [[package]]
 name = "brotli"
 version = "1.2.0"
@@ -154,6 +182,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/a0/17/1073b53b68c9b5ca6914adf5f8bf55aacc2d3be102418c90700160ea8605/cffi-2.1.0-cp315-cp315t-win_arm64.whl", hash = "sha256:cbb7640ce37159548d2147b5b8c241f962143d4c71231431820783f4dc78f210", size = 186405, upload-time = "2026-07-06T21:34:24.857Z" },
 ]
 
+[[package]]
+name = "cfgv"
+version = "3.5.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/4e/b5/721b8799b04bf9afe054a3899c6cf4e880fcf8563cc71c15610242490a0c/cfgv-3.5.0.tar.gz", hash = "sha256:d5b1034354820651caa73ede66a6294d6e95c1b00acc5e9b098e917404669132", size = 7334, upload-time = "2025-11-19T20:55:51.612Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/db/3c/33bac158f8ab7f89b2e59426d5fe2e4f63f7ed25df84c036890172b412b5/cfgv-3.5.0-py2.py3-none-any.whl", hash = "sha256:a8dc6b26ad22ff227d2634a65cb388215ce6cc96bbcc5cfde7641ae87e8dacc0", size = 7445, upload-time = "2025-11-19T20:55:50.744Z" },
+]
+
 [[package]]
 name = "click"
 version = "8.4.2"
@@ -240,12 +277,15 @@ dependencies = [
     { name = "django-extensions" },
     { name = "django-filter" },
     { name = "django-htmx" },
+    { name = "django-otp" },
+    { name = "django-ratelimit" },
     { name = "django-silk" },
-    { name = "django-storages" },
+    { name = "django-storages", extra = ["s3"] },
     { name = "ipython" },
     { name = "pillow" },
     { name = "psycopg", extra = ["binary"] },
     { name = "pytest-cov" },
+    { name = "qrcode" },
     { name = "uvicorn" },
     { name = "watchman" },
     { name = "weasyprint" },
@@ -258,8 +298,10 @@ dev = [
     { name = "django-browser-reload" },
     { name = "django-debug-toolbar" },
     { name = "django-watchfiles" },
+    { name = "pre-commit" },
     { name = "pytest" },
     { name = "pytest-django" },
+    { name = "ruff" },
 ]
 
 [package.metadata]
@@ -270,12 +312,15 @@ requires-dist = [
     { name = "django-extensions", specifier = ">=4.1" },
     { name = "django-filter", specifier = ">=26.1" },
     { name = "django-htmx", specifier = ">=1.28.0" },
+    { name = "django-otp", specifier = ">=1.7.3" },
+    { name = "django-ratelimit", specifier = ">=4.1.0" },
     { name = "django-silk", specifier = ">=5.5.0" },
-    { name = "django-storages", specifier = ">=1.14.6" },
+    { name = "django-storages", extras = ["s3"], specifier = ">=1.14.6" },
     { name = "ipython", specifier = ">=9.15.0" },
     { name = "pillow", specifier = ">=12.3.0" },
     { name = "psycopg", extras = ["binary"], specifier = ">=3.3.4" },
     { name = "pytest-cov", specifier = ">=7.1.0" },
+    { name = "qrcode", specifier = ">=8.2" },
     { name = "uvicorn", specifier = ">=0.51.0" },
     { name = "watchman", specifier = ">=0.0.1" },
     { name = "weasyprint", specifier = ">=69.0" },
@@ -288,8 +333,10 @@ dev = [
     { name = "django-browser-reload", specifier = ">=1.21.0" },
     { name = "django-debug-toolbar", specifier = ">=7.0.0" },
     { name = "django-watchfiles", specifier = ">=1.4.0" },
+    { name = "pre-commit", specifier = ">=4.6.2" },
     { name = "pytest", specifier = ">=9.1.1" },
     { name = "pytest-django", specifier = ">=4.12.0" },
+    { name = "ruff", specifier = ">=0.16.7" },
 ]
 
 [[package]]
@@ -314,6 +361,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/05/7f/798705f5296a58ca505d600456748d1be48078eac8a7050d8a98bc9edb89/decorator-5.3.1-py3-none-any.whl", hash = "sha256:f47fe6fdbd2edd623ecfe36875d37aba411624e2670dd395dddae1358689bb3c", size = 10365, upload-time = "2026-05-18T06:03:26.517Z" },
 ]
 
+[[package]]
+name = "distlib"
+version = "0.4.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/c9/02/bd72be9134d25ed783ecbbc38a539ffaefbf90c78418c7fb7229600dbac7/distlib-0.4.3.tar.gz", hash = "sha256:f152097224a0ae24be5a0f6bae1b9359af82133bce63f98a95f86cae1aede9ed", size = 615141, upload-time = "2026-06-12T08:04:52.847Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/02/08/9c41fb51ab5b43eb21674aff13df270e8ba6c4b29c8624e328dc7a9482af/distlib-0.4.3-py2.py3-none-any.whl", hash = "sha256:4b0ce306c966eb73bc3a7b6abad017c556dadd92c44701562cd528ac7fde4d5b", size = 470628, upload-time = "2026-06-12T08:04:50.506Z" },
+]
+
 [[package]]
 name = "django"
 version = "6.0.7"
@@ -413,6 +469,27 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/20/d5/71b3a206f7a2135e2ab4a789be143a00222b52d22729c84f480915049e94/django_htmx-1.28.0-py3-none-any.whl", hash = "sha256:e6911acccf3e7905d511c4fd6ab86fe06572205e80a0f32ca7aa94a115ae0619", size = 98588, upload-time = "2026-07-12T22:19:18.225Z" },
 ]
 
+[[package]]
+name = "django-otp"
+version = "1.7.3"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "django" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/08/88/f98f860f5c209bfa1980c63ff38128b50166bf396d28c60d93c42bdb08de/django_otp-1.7.3.tar.gz", hash = "sha256:3ce501173bf1b936146ffe5ff0cfdae1a0c7eb46cce1e9e3fdddd984d993c74f", size = 78996, upload-time = "2026-09-06T16:44:21.098Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/e1/a5/bb9d7b83b0ebf62603d3ff707cf492f75ec60077495b885ecbdf09774f67/django_otp-1.7.3-py3-none-any.whl", hash = "sha256:7d52fb0f76c4c1c86cbc71c196d3f79941b0b84aff980e45193bef89a70a7a12", size = 73702, upload-time = "2026-09-06T16:44:19.807Z" },
+]
+
+[[package]]
+name = "django-ratelimit"
+version = "4.1.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/6f/8f/94038fe739b095aca3e4708ecc8a4e77f1fcfd87bed5d6baff43d4c80bc4/django-ratelimit-4.1.0.tar.gz", hash = "sha256:555943b283045b917ad59f196829530d63be2a39adb72788d985b90c81ba808b", size = 11551, upload-time = "2023-07-24T20:34:32.374Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/fb/78/2c59b30cd8bc8068d02349acb6aeed5c4e05eb01cdf2107ccd76f2e81487/django_ratelimit-4.1.0-py2.py3-none-any.whl", hash = "sha256:d047a31cf94d83ef1465d7543ca66c6fc16695559b5f8d814d1b51df15110b92", size = 11608, upload-time = "2023-07-24T20:34:31.362Z" },
+]
+
 [[package]]
 name = "django-silk"
 version = "5.5.0"
@@ -439,6 +516,11 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/1f/21/3cedee63417bc5553eed0c204be478071c9ab208e5e259e97287590194f1/django_storages-1.14.6-py3-none-any.whl", hash = "sha256:11b7b6200e1cb5ffcd9962bd3673a39c7d6a6109e8096f0e03d46fab3d3aabd9", size = 33095, upload-time = "2025-04-02T02:34:53.291Z" },
 ]
 
+[package.optional-dependencies]
+s3 = [
+    { name = "boto3" },
+]
+
 [[package]]
 name = "django-watchfiles"
 version = "1.4.0"
@@ -461,6 +543,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/c1/ea/53f2148663b321f21b5a606bd5f191517cf40b7072c0497d3c92c4a13b1e/executing-2.2.1-py2.py3-none-any.whl", hash = "sha256:760643d3452b4d777d295bb167ccc74c64a81df23fb5e08eff250c425a4b2017", size = 28317, upload-time = "2025-09-01T09:48:08.5Z" },
 ]
 
+[[package]]
+name = "filelock"
+version = "3.32.7"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/0f/59/e19834834cb01a32febfbb0f8a23a9088088f5d45991824ff2bc3b5e8acb/filelock-3.32.7.tar.gz", hash = "sha256:37b8a3d9811b0f9aef7e5ec5c71bb320de52df51e6ca9bcd6f5ad81187660da7", size = 225154, upload-time = "2026-09-16T00:24:20.907Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/15/df/31098c5aeb4d966b553641472bd55fcf5fdfac953549894b8a765ba44e91/filelock-3.32.7-py3-none-any.whl", hash = "sha256:65ff0d0190ea42038b32bda4b77834fb05be2cad4c5b9b01aa4dfb3614536e52", size = 100157, upload-time = "2026-09-16T00:24:19.543Z" },
+]
+
 [[package]]
 name = "fonttools"
 version = "4.63.0"
@@ -519,6 +610,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl", hash = "sha256:63cf8bbe7522de3bf65932fda1d9c2772064ffb3dae62d55932da54b31cb6c86", size = 37515, upload-time = "2025-04-24T03:35:24.344Z" },
 ]
 
+[[package]]
+name = "identify"
+version = "2.6.19"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/52/63/51723b5f116cc04b061cb6f5a561790abf249d25931d515cd375e063e0f4/identify-2.6.19.tar.gz", hash = "sha256:6be5020c38fcb07da56c53733538a3081ea5aa70d36a156f83044bfbf9173842", size = 99567, upload-time = "2026-04-17T18:39:50.265Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/94/84/d9273cd09688070a6523c4aee4663a8538721b2b755c4962aafae0011e72/identify-2.6.19-py2.py3-none-any.whl", hash = "sha256:20e6a87f786f768c092a721ad107fc9df0eb89347be9396cadf3f4abbd1fb78a", size = 99397, upload-time = "2026-04-17T18:39:49.221Z" },
+]
+
 [[package]]
 name = "idna"
 version = "3.18"
@@ -583,6 +683,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/9a/93/242e2eab5fe682ffcb8b0084bde703a41d51e17ee0f3a31ff0d9d813620a/jedi-0.20.0-py2.py3-none-any.whl", hash = "sha256:7bdd9c2634f56713299976f4cbd59cb3fa92165cc5e05ea811fb253480728b67", size = 4884812, upload-time = "2026-05-01T23:38:43.919Z" },
 ]
 
+[[package]]
+name = "jmespath"
+version = "1.1.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/d3/59/322338183ecda247fb5d1763a6cbe46eff7222eaeebafd9fa65d4bf5cb11/jmespath-1.1.0.tar.gz", hash = "sha256:472c87d80f36026ae83c6ddd0f1d05d4e510134ed462851fd5f754c8c3cbb88d", size = 27377, upload-time = "2026-01-22T16:35:26.279Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/14/2f/967ba146e6d58cf6a652da73885f52fc68001525b4197effc174321d70b4/jmespath-1.1.0-py3-none-any.whl", hash = "sha256:a5663118de4908c91729bea0acadca56526eb2698e83de10cd116ae0f4e97c64", size = 20419, upload-time = "2026-01-22T16:35:24.919Z" },
+]
+
 [[package]]
 name = "matplotlib-inline"
 version = "0.2.2"
@@ -595,6 +704,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/41/09/5b161152e2d90f7b87f781c2e1267494aef9c32498df793f73ad0a0a494a/matplotlib_inline-0.2.2-py3-none-any.whl", hash = "sha256:3c821cf1c209f59fb2d2d64abbf5b23b67bcb2210d663f9918dd851c6da1fcf6", size = 9534, upload-time = "2026-05-08T17:33:32.055Z" },
 ]
 
+[[package]]
+name = "nodeenv"
+version = "1.10.0"
+source = { registry = "https://pypi.org/simple" }
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