178 lines
6.7 KiB
Python
178 lines
6.7 KiB
Python
#--require-config tls-certificate
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import binascii, os, urllib.parse
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from src import ModuleManager, utils
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ACTIVITY_TYPE = ("application/ld+json; "
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"profile=\"https://www.w3.org/ns/activitystreams\"")
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WEBFINGER_TYPE = "application/jrd+json"
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ACTIVITY_SETTING_PREFIX = "ap-activity-"
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def _parse_username(s):
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username, _, instance = s.rpartition("@")
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if username.startswith("@"):
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username = username[1:]
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if username and instance:
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return username, instance
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return None, None
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def _format_username(username, instance):
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return "@%s@%s" % (username, instance)
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def _setting_parse(s):
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username, instance = _parse_username(s)
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if username and instance:
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return _format_username(username, instance)
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return None
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@utils.export("botset", utils.FunctionSetting(_setting_parse, "fediverse",
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help="Set the bot's fediverse server account",
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example="@gargron@mastodon.social"))
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class Module(ModuleManager.BaseModule):
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_name = "Fedi"
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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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@utils.hook("received.command.toot")
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@utils.kwarg("min_args", 1)
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@utils.kwarg("permission", "toot")
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def toot(self, event):
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activity_id = self._make_activity(event["args"])
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event["stdout"].write("Sent toot %s" % activity_id)
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def _ap_self(self):
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our_username = self.bot.get_setting("fediverse", None)
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return _parse_username(our_username)
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def _ap_self_url(self, url_for, our_username):
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return "https://%s" % url_for("api", "ap-user", {"u": our_username})
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def _ap_outbox_url(self, url_for, our_username):
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return "https://%s" % url_for("api", "ap-outbox", {"u": our_username})
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def _ap_activity_url(self, url_for, activity_id):
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return "https://%s" % url_for("api", "ap-activity", {"a": activity_id})
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@utils.hook("api.get.ap-webfinger")
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@utils.kwarg("authenticated", False)
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def ap_webfinger(self, event):
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our_username, our_instance = self._ap_self()
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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 = _parse_username(resource)
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if (requested_username == our_username and
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requested_instance == our_instance):
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self_id = self._ap_self_url(event["url_for"], our_username)
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event["response"].content_type = WEBFINGER_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": 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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@utils.hook("api.get.ap-user")
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@utils.kwarg("authenticated", False)
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def ap_user(self, event):
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our_username, our_instance = self._ap_self()
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username = event["params"].get("u", None)
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if username and username == our_username:
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self_id = self._ap_self_url(event["url_for"], our_username)
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inbox = event["url_for"]("api", "ap-inbox", {"u": our_username})
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outbox = self._ap_outbox_url(event["url_for"], our_username)
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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 = ACTIVITY_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": our_username, "name": our_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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return activity_url, {
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"attributedTo": self_id,
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"content": content,
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"conversation": activity_id, "context": activity_id,
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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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@utils.hook("api.get.ap-outbox")
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@utils.kwarg("authenticated", False)
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def ap_outbox(self, event):
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our_username, our_instance = self._ap_self()
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username = event["params"].get("u", None)
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if username and username == our_username:
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self_id = self._ap_self_url(event["url_for"], our_username)
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outbox = self._ap_outbox_url(event["url_for"], our_username)
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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 = ACTIVITY_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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