microblog.pub/app/micropub.py

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from typing import Any
from fastapi import APIRouter
from fastapi import Depends
from fastapi import Request
from fastapi.responses import JSONResponse
from fastapi.responses import RedirectResponse
from app import activitypub as ap
from app.boxes import get_outbox_object_by_ap_id
from app.boxes import send_create
from app.boxes import send_delete
from app.database import AsyncSession
from app.database import get_db_session
from app.indieauth import AccessTokenInfo
from app.indieauth import verify_access_token
router = APIRouter()
@router.get("/micropub")
async def micropub_endpoint(
request: Request,
access_token_info: AccessTokenInfo = Depends(verify_access_token),
db_session: AsyncSession = Depends(get_db_session),
) -> dict[str, Any] | JSONResponse:
if request.query_params.get("q") == "config":
return {}
elif request.query_params.get("q") == "source":
url = request.query_params.get("url")
outbox_object = await get_outbox_object_by_ap_id(db_session, url)
if not outbox_object:
return JSONResponse(
content={
"error": "invalid_request",
"error_description": "No post with this URL",
},
status_code=400,
)
extra_props: dict[str, list[str]] = {}
return {
"type": ["h-entry"],
"properties": {
"published": [
outbox_object.ap_published_at.isoformat() # type: ignore
],
"content": [outbox_object.source],
**extra_props,
},
}
return {}
@router.post("/micropub")
async def post_micropub_endpoint(
request: Request,
access_token_info: AccessTokenInfo = Depends(verify_access_token),
db_session: AsyncSession = Depends(get_db_session),
) -> RedirectResponse | JSONResponse:
form_data = await request.form()
if "action" in form_data:
if form_data["action"] == "delete":
outbox_object = await get_outbox_object_by_ap_id(
db_session, form_data["url"]
)
if not outbox_object:
return JSONResponse(
content={
"error": "invalid_request",
"error_description": "No post with this URL",
},
status_code=400,
)
await send_delete(db_session, outbox_object.ap_id) # type: ignore
return JSONResponse(content={}, status_code=200)
h = "entry"
if "h" in form_data:
h = form_data["h"]
if h != "entry":
return JSONResponse(
content={
"error": "invalid_request",
"error_description": "Only h-entry are supported",
},
status_code=400,
)
content = form_data["content"]
public_id = await send_create(
db_session,
content,
uploads=[],
in_reply_to=None,
visibility=ap.VisibilityEnum.PUBLIC,
)
return JSONResponse(
content={},
status_code=201,
headers={
"Location": request.url_for("outbox_by_public_id", public_id=public_id)
},
)