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Cleanup and improved webmentions support

This commit is contained in:
Thomas Sileo 2022-07-14 16:29:17 +02:00
parent 3abeab088f
commit c9aea8cab3
19 changed files with 231 additions and 83 deletions
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28
alembic/versions/69ce9fbdc483_add_webmentions_count.py Normal file
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@ -0,0 +1,28 @@
"""Add webmentions count
Revision ID: 69ce9fbdc483
Revises: 1647cef23e9b
Create Date: 2022-07-14 15:35:01.716133
"""
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = '69ce9fbdc483'
down_revision = '1647cef23e9b'
branch_labels = None
depends_on = None
def upgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('outbox', sa.Column('webmentions_count', sa.Integer(), server_default='0', nullable=False))
# ### end Alembic commands ###
def downgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.drop_column('outbox', 'webmentions_count')
# ### end Alembic commands ###

48
alembic/versions/fd23d95e5c16_improved_webmentions.py Normal file
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@ -0,0 +1,48 @@
"""Improved Webmentions
Revision ID: fd23d95e5c16
Revises: 69ce9fbdc483
Create Date: 2022-07-14 16:10:54.202455
"""
import sqlalchemy as sa
from sqlalchemy.dialects import sqlite
from alembic import op
# revision identifiers, used by Alembic.
revision = 'fd23d95e5c16'
down_revision = '69ce9fbdc483'
branch_labels = None
depends_on = None
def upgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('webmention',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
sa.Column('is_deleted', sa.Boolean(), nullable=False),
sa.Column('source', sa.String(), nullable=False),
sa.Column('source_microformats', sa.JSON(), nullable=True),
sa.Column('target', sa.String(), nullable=False),
sa.Column('outbox_object_id', sa.Integer(), nullable=False),
sa.ForeignKeyConstraint(['outbox_object_id'], ['outbox.id'], ),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('source', 'target', name='uix_source_target')
)
op.create_index(op.f('ix_webmention_id'), 'webmention', ['id'], unique=False)
op.create_index(op.f('ix_webmention_source'), 'webmention', ['source'], unique=True)
op.create_index(op.f('ix_webmention_target'), 'webmention', ['target'], unique=False)
op.drop_column('outbox', 'webmentions')
# ### end Alembic commands ###
def downgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('outbox', sa.Column('webmentions', sqlite.JSON(), nullable=True))
op.drop_index(op.f('ix_webmention_target'), table_name='webmention')
op.drop_index(op.f('ix_webmention_source'), table_name='webmention')
op.drop_index(op.f('ix_webmention_id'), table_name='webmention')
op.drop_table('webmention')
# ### end Alembic commands ###

2
app/boxes.py
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@ -27,12 +27,12 @@ from app.ap_object import RemoteObject
from app.config import BASE_URL
from app.config import ID
from app.database import AsyncSession
from app.database import now
from app.outgoing_activities import new_outgoing_activity
from app.source import markdownify
from app.uploads import upload_to_attachment
from app.utils import opengraph
from app.utils import webmentions
from app.utils.datetime import now
from app.utils.datetime import parse_isoformat
AnyboxObject = models.InboxObject | models.OutboxObject

5
app/database.py
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@ -1,4 +1,3 @@
import datetime
from typing import Any
from typing import AsyncGenerator
@ -23,10 +22,6 @@ async_session = sessionmaker(async_engine, class_=AsyncSession, expire_on_commit
Base: Any = declarative_base()
def now() -> datetime.datetime:
return datetime.datetime.now(datetime.timezone.utc)
async def get_db_session() -> AsyncGenerator[AsyncSession, None]:
async with async_session() as session:
try:

4
app/incoming_activities.py
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@ -13,7 +13,7 @@ from app import models
from app.boxes import save_to_inbox
from app.database import AsyncSession
from app.database import async_session
from app.database import now
from app.utils.datetime import now
_MAX_RETRIES = 5
@ -63,7 +63,7 @@ async def process_next_incoming_activity(db_session: AsyncSession) -> bool:
select(func.count(models.IncomingActivity.id)).where(*where)
)
if q_count > 0:
logger.info(f"{q_count} outgoing activities ready to process")
logger.info(f"{q_count} incoming activities ready to process")
if not q_count:
# logger.debug("No activities to process")
return False

2
app/indieauth.py
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@ -21,8 +21,8 @@ from app.admin import user_session_or_redirect
from app.config import verify_csrf_token
from app.database import AsyncSession
from app.database import get_db_session
from app.database import now
from app.utils import indieauth
from app.utils.datetime import now
router = APIRouter()

12
app/main.py
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@ -551,6 +551,17 @@ async def outbox_by_public_id(
.all()
)
webmentions = (
await db_session.scalars(
select(models.Webmention)
.filter(
models.Webmention.outbox_object_id == maybe_object.id,
models.Webmention.is_deleted.is_(False),
)
.limit(10)
)
).all()
return await templates.render_template(
db_session,
request,
@ -560,6 +571,7 @@ async def outbox_by_public_id(
"outbox_object": maybe_object,
"likes": likes,
"shares": shares,
"webmentions": webmentions,
},
)

40
app/models.py
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@ -3,6 +3,7 @@ from typing import Any
from typing import Optional
from typing import Union
from loguru import logger
from sqlalchemy import JSON
from sqlalchemy import Boolean
from sqlalchemy import Column
@ -22,7 +23,8 @@ from app.ap_object import Attachment
from app.ap_object import Object as BaseObject
from app.config import BASE_URL
from app.database import Base
from app.database import now
from app.utils import webmentions
from app.utils.datetime import now
class Actor(Base, BaseActor):
@ -152,10 +154,11 @@ class OutboxObject(Base, BaseObject):
likes_count = Column(Integer, nullable=False, default=0)
announces_count = Column(Integer, nullable=False, default=0)
replies_count = Column(Integer, nullable=False, default=0)
webmentions_count: Mapped[int] = Column(
Integer, nullable=False, default=0, server_default="0"
)
# reactions: Mapped[list[dict[str, Any]] | None] = Column(JSON, nullable=True)
webmentions = Column(JSON, nullable=True)
og_meta: Mapped[list[dict[str, Any]] | None] = Column(JSON, nullable=True)
# For the featured collection
@ -457,3 +460,34 @@ class IndieAuthAccessToken(Base):
expires_in = Column(Integer, nullable=False)
scope = Column(String, nullable=False)
is_revoked = Column(Boolean, nullable=False, default=False)
class Webmention(Base):
__tablename__ = "webmention"
__table_args__ = (UniqueConstraint("source", "target", name="uix_source_target"),)
id = Column(Integer, primary_key=True, index=True)
created_at = Column(DateTime(timezone=True), nullable=False, default=now)
is_deleted = Column(Boolean, nullable=False, default=False)
source: Mapped[str] = Column(String, nullable=False, index=True, unique=True)
source_microformats: Mapped[dict[str, Any] | None] = Column(JSON, nullable=True)
target = Column(String, nullable=False, index=True)
outbox_object_id = Column(Integer, ForeignKey("outbox.id"), nullable=False)
outbox_object = relationship(OutboxObject, uselist=False)
@property
def as_facepile_item(self) -> webmentions.Webmention | None:
if not self.source_microformats:
return None
try:
return webmentions.Webmention.from_microformats(
self.source_microformats["items"], self.source
)
except Exception:
logger.warning(
f"Failed to generate facefile item for Webmention id={self.id}"
)
return None

2
app/outgoing_activities.py
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@ -20,8 +20,8 @@ from app.actor import _actor_hash
from app.config import KEY_PATH
from app.database import AsyncSession
from app.database import SessionLocal
from app.database import now
from app.key import Key
from app.utils.datetime import now
_MAX_RETRIES = 16

2
app/templates.py
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@ -30,8 +30,8 @@ from app.config import VERSION
from app.config import generate_csrf_token
from app.config import session_serializer
from app.database import AsyncSession
from app.database import now
from app.media import proxied_media_url
from app.utils.datetime import now
from app.utils.highlight import HIGHLIGHT_CSS
from app.utils.highlight import highlight

2
app/templates/indieauth_flow.html
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@ -5,7 +5,7 @@
<div style="display:flex">
{% if client.logo %}
<div style="flex:initial;width:100px;">
<img src="{{client.logo}}" style="max-width:100px;">
<img src="{{client.logo | media_proxy_url }}" style="max-width:100px;">
</div>
{% endif %}
<div style="flex:1;">

2
app/templates/object.html
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@ -22,7 +22,7 @@
{% macro display_replies_tree(replies_tree_node) %}
{% if replies_tree_node.is_requested %}
{{ utils.display_object(replies_tree_node.ap_object, likes=likes, shares=shares, webmentions=replies_tree_node.ap_object.webmentions or [], expanded=not replies_tree_node.is_root) }}
{{ utils.display_object(replies_tree_node.ap_object, likes=likes, shares=shares, webmentions=webmentions, expanded=not replies_tree_node.is_root) }}
{% else %}
{{ utils.display_object(replies_tree_node.ap_object) }}
{% endif %}

13
app/templates/utils.html
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@ -388,9 +388,9 @@
</li>
{% endif %}
{% if object.webmentions %}
{% if object.webmentions_count %}
<li>
<a href="{{ object.url }}"><strong>{{ object.webmentions | length }}</strong> webmention{{ object.webmentions | length | pluralize }}</a>
<a href="{{ object.url }}"><strong>{{ object.webmentions_count }}</strong> webmention{{ object.webmentions_count | pluralize }}</a>
</li>
{% endif %}
@ -491,9 +491,12 @@
<div style="flex: 0 1 30%;max-width: 50%;">Webmentions
<div style="display: flex;column-gap: 20px;row-gap:20px;flex-wrap: wrap;margin-top:20px;">
{% for webmention in webmentions %}
<a href="{{ webmention.url }}" title="{{ webmention.actor_name }}" style="height:50px;" rel="noreferrer">
<img src="{{ webmention.actor_icon_url | media_proxy_url }}" alt="{{ webmention.actor_name }}" style="max-width:50px;">
</a>
{% set wm = webmention.as_facepile_item %}
{% if wm %}
<a href="{{ wm.url }}" title="{{ wm.actor_name }}" style="height:50px;" rel="noreferrer">
<img src="{{ wm.actor_icon_url | media_proxy_url }}" alt="{{ wm.actor_name }}" style="max-width:50px;">
</a>
{% endif %}
{% endfor %}
</div>
</div>

4
app/utils/datetime.py
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@ -6,3 +6,7 @@ from dateutil.parser import isoparse
def parse_isoformat(isodate: str) -> datetime:
return isoparse(isodate).astimezone(timezone.utc)
def now() -> datetime:
return datetime.now(timezone.utc)

2
app/utils/stats.py
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@ -13,7 +13,7 @@ from app import models
from app.config import ROOT_DIR
from app.database import AsyncSession
from app.database import async_session
from app.database import now
from app.utils.datetime import now
_DATA_DIR = ROOT_DIR / "data"

40
app/utils/webmentions.py
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@ -1,8 +1,13 @@
from dataclasses import dataclass
from typing import Any
from typing import Optional
import httpx
from bs4 import BeautifulSoup # type: ignore
from loguru import logger
from app import config
from app.utils.datetime import now
from app.utils.url import is_url_valid
from app.utils.url import make_abs
@ -47,3 +52,38 @@ async def discover_webmention_endpoint(url: str) -> str | None:
if not is_url_valid(wurl):
return None
return wurl
@dataclass
class Webmention:
actor_icon_url: str
actor_name: str
url: str
received_at: str
@classmethod
def from_microformats(
cls, items: list[dict[str, Any]], url: str
) -> Optional["Webmention"]:
for item in items:
if item["type"][0] == "h-card":
return cls(
actor_icon_url=make_abs(
item["properties"]["photo"][0], url
), # type: ignore
actor_name=item["properties"]["name"][0],
url=url,
received_at=now().isoformat(),
)
if item["type"][0] == "h-entry":
author = item["properties"]["author"][0]
return cls(
actor_icon_url=make_abs(
author["properties"]["photo"][0], url
), # type: ignore
actor_name=author["properties"]["name"][0],
url=url,
received_at=now().isoformat(),
)
return None

102
app/webmentions.py
View File

@ -1,8 +1,3 @@
from dataclasses import asdict
from dataclasses import dataclass
from typing import Any
from typing import Optional
from bs4 import BeautifulSoup # type: ignore
from fastapi import APIRouter
from fastapi import Depends
@ -10,54 +5,19 @@ from fastapi import HTTPException
from fastapi import Request
from fastapi.responses import JSONResponse
from loguru import logger
from sqlalchemy import select
from app import models
from app.boxes import get_outbox_object_by_ap_id
from app.database import AsyncSession
from app.database import get_db_session
from app.database import now
from app.utils import microformats
from app.utils.url import check_url
from app.utils.url import is_url_valid
from app.utils.url import make_abs
router = APIRouter()
@dataclass
class Webmention:
actor_icon_url: str
actor_name: str
url: str
received_at: str
@classmethod
def from_microformats(
cls, items: list[dict[str, Any]], url: str
) -> Optional["Webmention"]:
for item in items:
if item["type"][0] == "h-card":
return cls(
actor_icon_url=make_abs(
item["properties"]["photo"][0], url
), # type: ignore
actor_name=item["properties"]["name"][0],
url=url,
received_at=now().isoformat(),
)
if item["type"][0] == "h-entry":
author = item["properties"]["author"][0]
return cls(
actor_icon_url=make_abs(
author["properties"]["photo"][0], url
), # type: ignore
actor_name=author["properties"]["name"][0],
url=url,
received_at=now().isoformat(),
)
return None
def is_source_containing_target(source_html: str, target_url: str) -> bool:
soup = BeautifulSoup(source_html, "html5lib")
for link in soup.find_all("a"):
@ -92,40 +52,64 @@ async def webmention_endpoint(
logger.info(f"Received webmention {source=} {target=}")
existing_webmention_in_db = (
await db_session.execute(
select(models.Webmention).where(
models.Webmention.source == source,
models.Webmention.target == target,
)
)
).scalar_one_or_none()
if existing_webmention_in_db:
logger.info("Found existing Webmention, will try to update or delete")
mentioned_object = await get_outbox_object_by_ap_id(db_session, target)
if not mentioned_object:
logger.info(f"Invalid target {target=}")
if existing_webmention_in_db:
logger.info("Deleting existing Webmention")
existing_webmention_in_db.is_deleted = True
await db_session.commit()
raise HTTPException(status_code=400, detail="Invalid target")
maybe_data_and_html = await microformats.fetch_and_parse(source)
if not maybe_data_and_html:
logger.info("failed to fetch source")
if existing_webmention_in_db:
logger.info("Deleting existing Webmention")
mentioned_object.webmentions_count = mentioned_object.webmentions_count - 1
existing_webmention_in_db.is_deleted = True
await db_session.commit()
raise HTTPException(status_code=400, detail="failed to fetch source")
data, html = maybe_data_and_html
if not is_source_containing_target(html, target):
logger.warning("target not found in source")
if existing_webmention_in_db:
logger.info("Deleting existing Webmention")
mentioned_object.webmentions_count = mentioned_object.webmentions_count - 1
existing_webmention_in_db.is_deleted = True
await db_session.commit()
raise HTTPException(status_code=400, detail="target not found in source")
try:
webmention = Webmention.from_microformats(data["items"], source)
if not webmention:
raise ValueError("Failed to fetch target data")
except Exception:
logger.warning("Failed build Webmention for {source=} with {data=}")
return JSONResponse(content={}, status_code=200)
logger.info(f"{webmention=}")
if mentioned_object.webmentions is None:
mentioned_object.webmentions = [asdict(webmention)]
if existing_webmention_in_db:
existing_webmention_in_db.is_deleted = False
existing_webmention_in_db.source_microformats = data
else:
mentioned_object.webmentions = [asdict(webmention)] + [
wm # type: ignore
for wm in mentioned_object.webmentions # type: ignore
if wm["url"] != source # type: ignore
]
new_webmention = models.Webmention(
source=source,
target=target,
source_microformats=data,
outbox_object_id=mentioned_object.id,
)
db_session.add(new_webmention)
mentioned_object.webmentions_count = mentioned_object.webmentions_count + 1
await db_session.commit()

2
scripts/build_docs.py
View File

@ -7,7 +7,7 @@ from jinja2 import select_autoescape
from markdown import markdown
from app.config import VERSION
from app.database import now
from app.utils.datetime import now
def markdownify(content: str) -> str:

2
tests/factories.py
View File

@ -12,7 +12,7 @@ from app import models
from app.actor import RemoteActor
from app.ap_object import RemoteObject
from app.database import SessionLocal
from app.database import now
from app.utils.datetime import now
_Session = orm.scoped_session(SessionLocal)