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Magent/backend/app/services/jellyfin_identity.py
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52 lines
2.3 KiB
Python

"""Stable Jellyfin identities for private, user-scoped integrations."""
import hashlib
from contextlib import closing
from .. import db
def source_key(base_url: str | None) -> str:
return hashlib.sha256(str(base_url or "").strip().rstrip("/").encode()).hexdigest()
def linked_user_id(username: str, base_url: str | None) -> str | None:
user = db.get_user_by_username(username)
if not user or not base_url:
return None
with closing(db._connect()) as conn, conn:
row = conn.execute(
"SELECT jellyfin_user_id FROM jellyfin_user_links WHERE source = ? AND local_user_id = ?",
(source_key(base_url), user["id"]),
).fetchone()
return row[0] if row else None
def link_user(username: str, jellyfin_user_id: str, base_url: str | None) -> None:
"""Use only verified login or canonical Jellyfin user sync, never playback names."""
user = db.get_user_by_username(username)
if not user or not jellyfin_user_id or not base_url:
return
with closing(db._connect()) as conn, conn:
if conn.execute("SELECT 1 FROM user_identity_confirmations WHERE local_user_id = ?", (user["id"],)).fetchone():
# Reviewed identities are updated only through the admin confirmation workflow.
return
# A renamed or re-created account must not silently take over an existing identity.
conn.execute(
"INSERT OR IGNORE INTO jellyfin_user_links (source, local_user_id, jellyfin_user_id) VALUES (?, ?, ?)",
(source_key(base_url), user["id"], str(jellyfin_user_id)),
)
def user_for_identity(jellyfin_user_id: str, base_url: str | None):
"""Resolve a verified upstream login to its existing local account."""
if not jellyfin_user_id or not base_url:
return None
with closing(db._connect()) as conn:
rows = conn.execute("SELECT local_user_id FROM jellyfin_user_links WHERE source=? AND lower(replace(jellyfin_user_id,'-',''))=?",
(source_key(base_url), str(jellyfin_user_id).replace('-', '').lower())).fetchall()
if len(rows) > 1:
from fastapi import HTTPException
raise HTTPException(409, 'Multiple accounts claim this Jellyfin ID. Ask an administrator to repair the links.')
return db.get_user_by_id(rows[0][0]) if rows else None