kopia lustrzana https://github.com/dukethis/activitypub-example
Implement the person endpoint.
GET /@<username> It returns the activitystream representation of a user (Person).master
rodzic
b538a58368
commit
8c11541674
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from .objects import *
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class ASDecodeError(Exception):
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pass
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class ASTypeError(Exception):
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pass
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class ASValidateException(Exception):
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pass
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import json
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from activitypub.activities import errors
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class Object(object):
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attributes = ["type", "id", "name", "to"]
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type = "Object"
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@classmethod
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def from_json(cls, json):
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return Object(**json)
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def __init__(self, obj=None, **kwargs):
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if obj:
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self.__init__(**obj.to_activitystream())
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for key in self.attributes:
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if key == "type":
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continue
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value = kwargs.get(key)
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if value is None:
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continue
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if isinstance(value, dict) and value.get("type"):
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value = as_activitystream(value)
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self.__setattr__(key, value)
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def __str__(self):
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content = json.dumps(self, default=encode_activitystream)
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return "<{type}: {content}>".format(type=self.type,content=content)
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def to_json(self, context=False):
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values = {}
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for attribute in self.attributes:
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value = getattr(self, attribute, None)
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if value is None:
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continue
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if isinstance(value, Object):
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value = value.to_json()
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# if getattr(value, "__iter__", None):
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# value = [item.to_json() for item in value]
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values[attribute] = value
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to = values.get("to")
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if isinstance(to, str):
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values["to"] = [to]
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elif getattr(to, "__iter__", None):
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values["to"] = []
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for item in to:
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if isinstance(item, str):
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values["to"].append(item)
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if isinstance(item, Object):
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values["to"].append(item.id)
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if context:
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values["@context"] = "https://www.w3.org/ns/activitystreams"
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return values
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def to_activitystream(self):
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return self
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class Actor(Object):
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attributes = Object.attributes + [
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"target",
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"preferredUsername",
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"following",
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"followers",
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"outbox",
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"inbox",
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]
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type = "Actor"
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def send(self, activity):
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res = requests.post(self.inbox, json=activity.to_json(context=True))
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if res.status_code != 200:
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raise Exception
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class Person(Actor):
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type = "Person"
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#########
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# Utils #
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#########
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ALLOWED_TYPES = {
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"Object": Object,
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"Actor": Actor,
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"Person": Person,
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}
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def as_activitystream(obj):
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type = obj.get("type")
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if not type:
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msg = "Invalid ActivityStream object, the type is missing"
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raise errors.ASDecodeError(msg)
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if type in ALLOWED_TYPES:
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return ALLOWED_TYPES[type](**obj)
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raise errors.ASDecodeError("Invalid Type {0}".format(type))
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def encode_activitystream(obj):
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if isinstance(obj, Object):
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return obj.to_json()
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raise errors.ASTypeError("Unknown ActivityStream Type")
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from django.apps import AppConfig
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class ActivityPubConfig(AppConfig):
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name = 'activitypub'
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# -*- coding: utf-8 -*-
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# Generated by Django 1.11.3 on 2017-07-16 15:53
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from __future__ import unicode_literals
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from django.db import migrations, models
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class Migration(migrations.Migration):
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initial = True
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dependencies = [
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]
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operations = [
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migrations.CreateModel(
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name='Person',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('name', models.CharField(max_length=100)),
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],
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),
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]
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# -*- coding: utf-8 -*-
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# Generated by Django 1.11.3 on 2017-07-16 16:16
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from __future__ import unicode_literals
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from django.db import migrations, models
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def usernames(apps, schema_editor):
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Person = apps.get_model('activitypub', 'Person')
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for person in Person.objects.all():
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person.username = person.name
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person.save()
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class Migration(migrations.Migration):
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dependencies = [
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('activitypub', '0001_initial'),
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]
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operations = [
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migrations.AddField(
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model_name='person',
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name='username',
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field=models.CharField(max_length=100, null=True),
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),
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migrations.RunPython(usernames, reverse_code=migrations.RunPython.noop)
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]
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from django.db.models import Model, ForeignKey, CharField, TextField, BooleanField
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from django.db.models import ManyToManyField
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django.conf import settings
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from django.urls import reverse
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def uri(name, *args):
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domain = settings.ACTIVITYPUB_DOMAIN
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path = reverse(name, args=args)
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return "http://{domain}{path}".format(domain=domain, path=path)
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class URIs(object):
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def __init__(self, **kwargs):
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for attr, value in kwargs.items():
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setattr(self, attr, value)
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class Person(Model):
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ap_id = TextField(null=True)
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remote = BooleanField(default=False)
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username = CharField(max_length=100)
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name = CharField(max_length=100)
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following = ManyToManyField('self', symmetrical=False, related_name='followers')
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@property
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def uris(self):
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if self.remote:
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return URIs(id=self.ap_id)
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return URIs(
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id=uri("person", self.username),
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following=uri("following", self.username),
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followers=uri("followers", self.username),
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outbox=uri("outbox", self.username),
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inbox=uri("inbox", self.username),
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)
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def to_activitystream(self):
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json = {
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"id": self.uris.id,
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"name": self.name,
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"preferredUsername": self.username,
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}
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if not self.remote:
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json.update({
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"following": self.uris.following,
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"followers": self.uris.followers,
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"outbox": self.uris.outbox,
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"inbox": self.uris.inbox,
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})
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return json
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@receiver(post_save, sender=Person)
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@receiver(post_save, sender=Note)
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def save_ap_id(sender, instance, created, **kwargs):
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if created and not instance.remote:
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instance.ap_id = instance.uris.id
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instance.save()
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"""
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Django settings for activitypub project.
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Generated by 'django-admin startproject' using Django 1.11.3.
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For more information on this file, see
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https://docs.djangoproject.com/en/1.11/topics/settings/
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For the full list of settings and their values, see
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https://docs.djangoproject.com/en/1.11/ref/settings/
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"""
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import os
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# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
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BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = '&@ie+jfg=w1_4jwq_!hkfa%r-%_j0%0sc(*fhhwqedx3(o+98p'
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG = True
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ALLOWED_HOSTS = ["alice.local", "bob.local"]
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USE_X_FORWARDED_HOST = True
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ACTIVITYPUB_DOMAIN = "alice.local"
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# Application definition
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INSTALLED_APPS = [
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'activitypub.apps.ActivityPubConfig',
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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]
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MIDDLEWARE = [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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ROOT_URLCONF = 'activitypub.urls'
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION = 'activitypub.wsgi.application'
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# Database
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# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
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}
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}
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# Password validation
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# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS = [
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{
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'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/1.11/topics/i18n/
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LANGUAGE_CODE = 'en-us'
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TIME_ZONE = 'UTC'
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USE_I18N = True
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USE_L10N = True
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USE_TZ = True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/1.11/howto/static-files/
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STATIC_URL = '/static/'
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from django.conf.urls import url
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from django.contrib import admin
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from activitypub.views import person, note, new_note, notes, inbox, outbox
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from activitypub.views import followers, noop
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urlpatterns = [
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url(r'^@([^/]+)$', person, name="person"),
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url(r'^admin/', admin.site.urls),
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]
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from urllib.parse import urlparse
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import json
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import requests
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from django.http import JsonResponse, HttpResponseRedirect, HttpResponseNotAllowed
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from django.urls import reverse
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from django.shortcuts import get_object_or_404, render
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from django.views.decorators.csrf import csrf_exempt
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from activitypub.models import Person, Note
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from activitypub import activities
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from activitypub.activities import as_activitystream
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def person(request, username):
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person = get_object_or_404(Person, username=username)
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return JsonResponse(activities.Person(person).to_json(context=True))
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"""
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WSGI config for activitypub project.
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It exposes the WSGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
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"""
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import os
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from django.core.wsgi import get_wsgi_application
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "activitypub.settings")
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application = get_wsgi_application()
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#!/usr/bin/env python
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import os
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import sys
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if __name__ == "__main__":
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "activitypub.settings")
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try:
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from django.core.management import execute_from_command_line
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except ImportError:
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# The above import may fail for some other reason. Ensure that the
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# issue is really that Django is missing to avoid masking other
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# exceptions on Python 2.
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try:
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import django
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except ImportError:
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raise ImportError(
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"Couldn't import Django. Are you sure it's installed and "
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"available on your PYTHONPATH environment variable? Did you "
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"forget to activate a virtual environment?"
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)
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raise
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execute_from_command_line(sys.argv)
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