198 lines
7.5 KiB
Python
198 lines
7.5 KiB
Python
import base64, binascii, os, urllib.parse
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from src import ModuleManager, utils
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from . import ap_activities, ap_actor, ap_security, ap_utils
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ACTIVITY_SETTING_PREFIX = "ap-activity-"
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class Server(object):
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def __init__(self, bot, username, instance):
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self.bot = bot
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self.username = username
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self.instance = instance
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def _random_id(self):
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return binascii.hexlify(os.urandom(3)).decode("ascii")
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def _get_activities(self):
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activities = []
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for setting, (content, timestamp) in self.bot.find_settings_prefix(
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ACTIVITY_SETTING_PREFIX):
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activity_id = setting.replace(ACTIVITY_SETTING_PREFIX, "", 1)
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activities.append([activity_id, content, timestamp])
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return activities
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def _make_activity(self, content):
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timestamp = utils.iso8601_format_now()
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activity_id = self._random_id()
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self.bot.set_setting("ap-activity-%s" % activity_id,
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[content, timestamp])
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return activity_id
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def _toot(self, activity_id):
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content, timestamp = self.bot.get_setting(
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"ap-activity-%s" % activity_id)
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url_for = self.exports.get_one("url-for")
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self_id = self._ap_self_url(url_for)
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activity_url = self._ap_activity_url(url_for, activity_id)
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object = {
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"id": activity_url,
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"type": "Note",
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"published": timestamp,
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"attributedTo": self_id,
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"content": content,
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"to": "https://www.w3.org/ns/activitystreams#Public"
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}
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activity = ap_activities.Create(activity_url, object)
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private_key = self._private_key()
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for actor_url in self._get_actors():
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actor = ap_actor.Actor(actor_url)
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actor.load()
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actor.inbox.send(activity, private_key)
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def _ap_url(self, url_for, fragment, kwargs):
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return "https://%s" % url_for("api", fragment, kwargs)
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def _ap_self_url(self, url_for):
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return self._ap_url(url_for, "ap-user", {"u": self.username})
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def _ap_inbox_url(self, url_for):
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return self._ap_url(url_for, "ap-inbox", {"u": self.username})
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def _ap_outbox_url(self, url_for):
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return self._ap_url(url_for, "ap-outbox", {"u": self.username})
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def _ap_activity_url(self, url_for, activity_id):
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return self._ap_url(url_for, "ap-activity", {"a": activity_id})
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def _ap_keyid_url(self, url_for):
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return "%s#key" % self._ap_self_url(url_for)
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def ap_webfinger(self, event):
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resource = event["params"].get("resource", None)
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if resource.startswith("acct:"):
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resource = resource.split(":", 1)[1]
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if resource:
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requested_username, requested_instance = ap_utils.split_username(
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resource)
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if (requested_username == self.username and
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requested_instance == self.instance):
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self_id = self._ap_self_url(event["url_for"], self.username)
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event["response"].content_type = consts.JRD_TYPE
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event["response"].write_json({
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"aliases": [self_id],
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"links": [{
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"href": self_id,
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"rel": "self",
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"type": consts.ACTIVITY_TYPE
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}],
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"subject": "acct:%s" % resource
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})
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else:
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event["response"].code = 404
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else:
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event["response"].code = 400
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def ap_user(self, event):
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username = event["params"].get("u", None)
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if username and username == self.username:
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self_id = self._ap_self_url(event["url_for"])
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inbox = self._ap_inbox_url(event["url_for"])
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outbox = self._ap_outbox_url(event["url_for"])
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cert_filename = self.bot.config["tls-certificate"]
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with open(cert_filename) as cert_file:
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cert = cert_file.read().strip()
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event["response"].content_type = consts.LD_TYPE
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event["response"].write_json({
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"@context": "https://www.w3.org/ns/activitystreams",
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"id": self_id, "url": self_id,
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"type": "Person",
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"summary": "beep boop",
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"preferredUsername": self.username, "name": self.username,
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"inbox": inbox,
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"outbox": outbox,
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"publicKey": {
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"id": "%s#key" % self_id,
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"owner": self_id,
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"publicKeyPem": cert
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}
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})
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else:
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event["response"].code = 404
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def _prepare_activity(self, url_for, self_id, activity_id, content,
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timestamp):
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activity_url = self._ap_activity_url(url_for, activity_id)
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context = "data:%s" % activity_id
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return activity_url, {
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"attributedTo": self_id,
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"content": content,
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"conversation": context, "context": context,
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"id": activity_url, "url": activity_url,
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"published": timestamp,
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"summary": "", # content warning here
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"to": "https://www.w3.org/ns/activitystreams#Public",
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"type": "Note",
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}
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def ap_outbox(self, event):
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username = event["params"].get("u", None)
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if username and username == self.username:
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self_id = self._ap_self_url(event["url_for"])
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outbox = self._ap_outbox_url(event["url_for"])
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activities = []
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for activity_id, content, timestamp in self._get_activities():
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activity_url, activity_object = self._prepare_activity(
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event["url_for"], self_id, activity_id, content, timestamp)
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activities.append({
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"actor": self_id,
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"id": activity_url,
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"object": activity_object,
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"published": timestamp,
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"to": "https://www.w3.org/ns/activitystreams#Public",
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"type": "Create"
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})
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event["response"].content_type = consts.LD_TYPE
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event["response"].write_json({
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"@context": "https://www.w3.org/ns/activitystreams",
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"id": outbox,
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"orderedItems": activities,
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"totalItems": len(activities),
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"type": "OrderedCollection"
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})
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else:
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event["response"].code = 404
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def _private_key(self):
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id = self._ap_keyid_url(url_for)
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filename = security.private_key(self.bot.config["tls-certificate"])
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return ap_security.PrivateKey(filename, id)
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def ap_inbox(self, event):
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data = json.loads(event["data"])
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self_id = self._ap_self_url(event["url_for"])
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if data["type"] == "Follow":
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if data["object"] == self_id:
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new_follower = data["actor"]
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followers = set(self.bot.get_setting("fediverse-followers", []))
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if not new_follower in followers:
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followers.add(new_follower)
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private_key = self._private_key()
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actor = ap_actor.Actor(new_follower)
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accept = ap_activities.Accept(data["id"], data)
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actor.inbox.send(accept, private_key)
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follow_id = "data:%s" % str(uuid.uuid4())
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follow = ap_activities.Follow(follow_id, self_id)
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actor.inbox.send(follow, private_key)
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else:
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event["response"].code = 404
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