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74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
from typing import Literal
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from django.conf import settings
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from core.models import Config
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from core.signatures import HttpSignature, RsaKeys
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class SystemActor:
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"""
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Represents the system actor, that we use to sign all HTTP requests
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that are not on behalf of an Identity.
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Note that this needs Config.system to be set to be initialised.
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"""
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def __init__(self):
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self.private_key = Config.system.system_actor_private_key
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self.public_key = Config.system.system_actor_public_key
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self.actor_uri = f"https://{settings.MAIN_DOMAIN}/actor/"
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self.public_key_id = self.actor_uri + "#main-key"
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self.profile_uri = f"https://{settings.MAIN_DOMAIN}/about/"
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self.username = "__system__"
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def absolute_profile_uri(self):
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return self.profile_uri
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def generate_keys(self):
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self.private_key, self.public_key = RsaKeys.generate_keypair()
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Config.set_system("system_actor_private_key", self.private_key)
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Config.set_system("system_actor_public_key", self.public_key)
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@classmethod
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def generate_keys_if_needed(cls):
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# Load the system config into the right place
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Config.system = Config.load_system()
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instance = cls()
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if "-----BEGIN" not in instance.private_key:
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instance.generate_keys()
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def to_ap(self):
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return {
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"id": self.actor_uri,
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"type": "Application",
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"inbox": self.actor_uri + "inbox/",
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"endpoints": {
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"sharedInbox": f"https://{settings.MAIN_DOMAIN}/inbox/",
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},
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"preferredUsername": self.username,
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"url": self.profile_uri,
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"manuallyApprovesFollowers": True,
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"publicKey": {
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"id": self.public_key_id,
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"owner": self.actor_uri,
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"publicKeyPem": self.public_key,
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},
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}
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async def signed_request(
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self,
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method: Literal["get", "post"],
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uri: str,
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body: dict | None = None,
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):
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"""
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Performs a signed request on behalf of the System Actor.
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"""
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return await HttpSignature.signed_request(
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method=method,
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uri=uri,
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body=body,
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private_key=self.private_key,
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key_id=self.public_key_id,
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)
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