mirror of https://git.sr.ht/~tsileo/microblog.pub
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
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import mf2py # type: ignore
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from sqlalchemy.orm import Session
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from app import activitypub as ap
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from app import webfinger
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from app.actor import Actor
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from app.actor import fetch_actor
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from app.ap_object import RemoteObject
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def lookup(db: Session, query: str) -> Actor | RemoteObject:
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if query.startswith("@"):
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query = webfinger.get_actor_url(query) # type: ignore # None check below
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if not query:
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raise ap.NotAnObjectError(query)
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try:
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ap_obj = ap.fetch(query)
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except ap.NotAnObjectError as not_an_object_error:
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resp = not_an_object_error.resp
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if not resp:
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raise ap.NotAnObjectError(query)
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alternate_obj = None
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if resp.headers.get("content-type", "").startswith("text/html"):
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for alternate in mf2py.parse(doc=resp.text).get("alternates", []):
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if alternate.get("type") == "application/activity+json":
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alternate_obj = ap.fetch(alternate["url"])
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if alternate_obj:
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ap_obj = alternate_obj
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else:
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raise
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if ap_obj["type"] in ap.ACTOR_TYPES:
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actor = fetch_actor(db, ap_obj["id"])
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return actor
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else:
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return RemoteObject(ap_obj)
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