Authenticator_Facebook

Authenticator_Facebook.txt

#agregar en requirements.txt
social-auth-app-django


#agregar a installed_apps

'social_django',

#en el archivo principal de urls
path('social-auth/', include('social_django.urls', namespace="social")),




#tokens

SOCIAL_AUTH_FACEBOOK_KEY = "key"
SOCIAL_AUTH_FACEBOOK_SECRET = "secret"

#agregar al final del settings.py

AUTHENTICATION_BACKENDS = [
    'social_core.backends.facebook.FacebookOAuth2',
    'django.contrib.auth.backends.ModelBackend',
]

#enlace para login.html
<a href="{% url 'social:begin' 'facebook' %}">Ingresar con facebook</a>


#agregar a context_proccessors

'social_django.context_processors.backends', 
'social_django.context_processors.login_redirect',

#MIDDLEWARE
'social_django.middleware.SocialAuthExceptionMiddleware',

#obtener campos adicionales desde facebook
#con esta configuracion podemos traer el email y la imagen

SOCIAL_AUTH_FACEBOOK_SCOPE = ['email', 'user_link'] 

SOCIAL_AUTH_FACEBOOK_PROFILE_EXTRA_PARAMS = {  
  'fields': 'id, name, email, picture.type(large), link'
}


SOCIAL_AUTH_FACEBOOK_EXTRA_DATA = [               
    ('name', 'name'),
    ('email', 'email'),
    ('picture', 'picture'),
    ('link', 'profile_url'),
]

#para agregar la imagen en base.html agregar:
 {% for auth in backends.associated %}

    {% if auth.provider == 'facebook' %}
        <img src="{{ auth.extra_data.picture.data.url }}" alt="" width="50" height="50">
    {% endif %}

{% endfor %}

#excepciones

SOCIAL_AUTH_RAISE_EXCEPTIONS = False
LOGIN_ERROR_URL = '/error-facebook/'

#agregar a middleware
'social_django.middleware.SocialAuthExceptionMiddleware',

# Enjoy it..!