Remove dead code and re-organize

app.py

@@ -43,7 +43,10 @@ from config import ME
 from config import MEDIA_CACHE
 from config import VERSION
 from core import activitypub
+from core.activitypub import activity_url
 from core.activitypub import embed_collection
+from core.activitypub import post_to_inbox
+from core.activitypub import post_to_outbox
 from core.db import find_one_activity
 from core.meta import Box
 from core.meta import MetaKey
@@ -55,14 +58,10 @@ from core.shared import MY_PERSON
 from core.shared import _add_answers_to_question
 from core.shared import _build_thread
 from core.shared import _get_ip
-from core.shared import activity_url
-from core.shared import back
 from core.shared import csrf
 from core.shared import login_required
 from core.shared import noindex
 from core.shared import paginated_query
-from core.shared import post_to_outbox
-from core.tasks import Tasks
 from utils import now
 from utils.key import get_secret_key
 from utils.template_filters import filters
@@ -1006,24 +1005,3 @@ def rss_feed():
         response=activitypub.gen_feed().rss_str(),
         headers={"Content-Type": "application/rss+xml"},
     )
-
-
-def post_to_inbox(activity: ap.BaseActivity) -> None:
-    # Check for Block activity
-    actor = activity.get_actor()
-    if back.outbox_is_blocked(MY_PERSON, actor.id):
-        app.logger.info(
-            f"actor {actor!r} is blocked, dropping the received activity {activity!r}"
-        )
-        return
-
-    if back.inbox_check_duplicate(MY_PERSON, activity.id):
-        # The activity is already in the inbox
-        app.logger.info(f"received duplicate activity {activity!r}, dropping it")
-        return
-
-    back.save(Box.INBOX, activity)
-    Tasks.process_new_activity(activity.id)
-
-    app.logger.info(f"spawning task for {activity!r}")
-    Tasks.finish_post_to_inbox(activity.id)

blueprints/admin.py

@@ -23,6 +23,7 @@ from config import DB
 from config import ID
 from config import PASS
 from core.activitypub import Box
+from core.activitypub import post_to_outbox
 from core.shared import MY_PERSON
 from core.shared import _build_thread
 from core.shared import _Response
@@ -31,7 +32,6 @@ from core.shared import login_required
 from core.shared import noindex
 from core.shared import p
 from core.shared import paginated_query
-from core.shared import post_to_outbox
 from utils import now
 from utils.lookup import lookup
 

blueprints/api.py

@@ -33,15 +33,15 @@ from config import JWT
 from config import MEDIA_CACHE
 from config import _drop_db
 from core import activitypub
+from core.activitypub import activity_url
+from core.activitypub import post_to_outbox
 from core.meta import Box
 from core.meta import MetaKey
 from core.meta import _meta
 from core.shared import MY_PERSON
 from core.shared import _Response
-from core.shared import activity_url
 from core.shared import csrf
 from core.shared import login_required
-from core.shared import post_to_outbox
 from core.tasks import Tasks
 from utils import now
 

blueprints/tasks.py

@@ -17,6 +17,7 @@ import config
 from config import DB
 from core import gc
 from core.activitypub import Box
+from core.activitypub import post_to_outbox
 from core.inbox import process_inbox
 from core.meta import MetaKey
 from core.meta import _meta
@@ -27,7 +28,6 @@ from core.shared import _add_answers_to_question
 from core.shared import _Response
 from core.shared import back
 from core.shared import p
-from core.shared import post_to_outbox
 from core.tasks import Tasks
 from utils import now
 from utils import opengraph

core/activitypub.py

@@ -1,24 +1,24 @@
+import binascii
 import hashlib
 import logging
 import os
-from datetime import datetime
 from typing import Any
 from typing import Dict
 from typing import List
 from typing import Optional
+from urllib.parse import urljoin
 from urllib.parse import urlparse
 
 from bson.objectid import ObjectId
 from cachetools import LRUCache
 from feedgen.feed import FeedGenerator
+from flask import url_for
 from html2text import html2text
 from little_boxes import activitypub as ap
 from little_boxes import strtobool
 from little_boxes.activitypub import _to_list
 from little_boxes.backend import Backend
 from little_boxes.errors import ActivityGoneError
-from little_boxes.errors import Error
-from little_boxes.errors import NotAnActivityError
 
 from config import BASE_URL
 from config import DB
@@ -39,26 +39,6 @@ ACTORS_CACHE = LRUCache(maxsize=256)
 MY_PERSON = ap.Person(**ME)
 
 
-def _actor_to_meta(actor: ap.BaseActivity, with_inbox=False) -> Dict[str, Any]:
-    meta = {
-        "id": actor.id,
-        "url": actor.url,
-        "icon": actor.icon,
-        "name": actor.name,
-        "preferredUsername": actor.preferredUsername,
-    }
-    if with_inbox:
-        meta.update(
-            {
-                "inbox": actor.inbox,
-                "sharedInbox": actor._data.get("endpoints", {}).get("sharedInbox"),
-            }
-        )
-    logger.debug(f"meta={meta}")
-
-    return meta
-
-
 def _remove_id(doc: ap.ObjectType) -> ap.ObjectType:
     """Helper for removing MongoDB's `_id` field."""
     doc = doc.copy()
@@ -67,17 +47,6 @@ def _remove_id(doc: ap.ObjectType) -> ap.ObjectType:
     return doc
 
 
-def ensure_it_is_me(f):
-    """Method decorator used to track the events fired during tests."""
-
-    def wrapper(*args, **kwargs):
-        if args[1].id != ME["id"]:
-            raise Error("unexpected actor")
-        return f(*args, **kwargs)
-
-    return wrapper
-
-
 def _answer_key(choice: str) -> str:
     h = hashlib.new("sha1")
     h.update(choice.encode())
@@ -96,23 +65,7 @@ def _is_local_reply(create: ap.Create) -> bool:
     return False
 
 
-class MicroblogPubBackend(Backend):
+def save(box: Box, activity: ap.BaseActivity) -> None:
-    """Implements a Little Boxes backend, backed by MongoDB."""
-
-    def base_url(self) -> str:
-        return BASE_URL
-
-    def debug_mode(self) -> bool:
-        return strtobool(os.getenv("MICROBLOGPUB_DEBUG", "false"))
-
-    def user_agent(self) -> str:
-        """Setup a custom user agent."""
-        return USER_AGENT
-
-    def extra_inboxes(self) -> List[str]:
-        return EXTRA_INBOXES
-
-    def save(self, box: Box, activity: ap.BaseActivity) -> None:
     """Custom helper for saving an activity to the DB."""
     visibility = ap.get_visibility(activity)
     is_public = False
@@ -153,6 +106,84 @@ class MicroblogPubBackend(Backend):
         }
     )
 
+
+def outbox_is_blocked(actor_id: str) -> bool:
+    return bool(
+        DB.activities.find_one(
+            {
+                "box": Box.OUTBOX.value,
+                "type": ap.ActivityType.BLOCK.value,
+                "activity.object": actor_id,
+                "meta.undo": False,
+            }
+        )
+    )
+
+
+def activity_url(item_id: str) -> str:
+    return urljoin(BASE_URL, url_for("outbox_detail", item_id=item_id))
+
+
+def post_to_inbox(activity: ap.BaseActivity) -> None:
+    # Check for Block activity
+    actor = activity.get_actor()
+    if outbox_is_blocked(actor.id):
+        logger.info(
+            f"actor {actor!r} is blocked, dropping the received activity {activity!r}"
+        )
+        return
+
+    if DB.activities.find_one({"box": Box.INBOX.value, "remote_id": activity.id}):
+        # The activity is already in the inbox
+        logger.info(f"received duplicate activity {activity!r}, dropping it")
+        return
+
+    save(Box.INBOX, activity)
+    Tasks.process_new_activity(activity.id)
+
+    logger.info(f"spawning task for {activity!r}")
+    Tasks.finish_post_to_inbox(activity.id)
+
+
+def post_to_outbox(activity: ap.BaseActivity) -> str:
+    if activity.has_type(ap.CREATE_TYPES):
+        activity = activity.build_create()
+
+    # Assign create a random ID
+    obj_id = binascii.hexlify(os.urandom(8)).decode("utf-8")
+    uri = activity_url(obj_id)
+    activity._data["id"] = uri
+    if activity.has_type(ap.ActivityType.CREATE):
+        activity._data["object"]["id"] = urljoin(
+            BASE_URL, url_for("outbox_activity", item_id=obj_id)
+        )
+        activity._data["object"]["url"] = urljoin(
+            BASE_URL, url_for("note_by_id", note_id=obj_id)
+        )
+        activity.reset_object_cache()
+
+    save(Box.OUTBOX, activity)
+    Tasks.cache_actor(activity.id)
+    Tasks.finish_post_to_outbox(activity.id)
+    return activity.id
+
+
+class MicroblogPubBackend(Backend):
+    """Implements a Little Boxes backend, backed by MongoDB."""
+
+    def base_url(self) -> str:
+        return BASE_URL
+
+    def debug_mode(self) -> bool:
+        return strtobool(os.getenv("MICROBLOGPUB_DEBUG", "false"))
+
+    def user_agent(self) -> str:
+        """Setup a custom user agent."""
+        return USER_AGENT
+
+    def extra_inboxes(self) -> List[str]:
+        return EXTRA_INBOXES
+
     def followers(self) -> List[str]:
         q = {
             "box": Box.INBOX.value,
@@ -195,19 +226,6 @@ class MicroblogPubBackend(Backend):
 
         return super().parse_collection(payload, url)
 
-    @ensure_it_is_me
-    def outbox_is_blocked(self, as_actor: ap.Person, actor_id: str) -> bool:
-        return bool(
-            DB.activities.find_one(
-                {
-                    "box": Box.OUTBOX.value,
-                    "type": ap.ActivityType.BLOCK.value,
-                    "activity.object": actor_id,
-                    "meta.undo": False,
-                }
-            )
-        )
-
     def _fetch_iri(self, iri: str) -> ap.ObjectType:  # noqa: C901
         # Shortcut if the instance actor is fetched
         if iri == ME["id"]:
@@ -317,259 +335,9 @@ class MicroblogPubBackend(Backend):
 
         return data
 
-    @ensure_it_is_me
-    def inbox_check_duplicate(self, as_actor: ap.Person, iri: str) -> bool:
-        return bool(DB.activities.find_one({"box": Box.INBOX.value, "remote_id": iri}))
-
     def set_post_to_remote_inbox(self, cb):
         self.post_to_remote_inbox_cb = cb
 
-    @ensure_it_is_me
-    def undo_new_follower(self, as_actor: ap.Person, follow: ap.Follow) -> None:
-        DB.activities.update_one(
-            {"remote_id": follow.id}, {"$set": {"meta.undo": True}}
-        )
-
-    @ensure_it_is_me
-    def undo_new_following(self, as_actor: ap.Person, follow: ap.Follow) -> None:
-        DB.activities.update_one(
-            {"remote_id": follow.id}, {"$set": {"meta.undo": True}}
-        )
-
-    @ensure_it_is_me
-    def inbox_like(self, as_actor: ap.Person, like: ap.Like) -> None:
-        obj = like.get_object()
-        # Update the meta counter if the object is published by the server
-        DB.activities.update_one(
-            {"box": Box.OUTBOX.value, "activity.object.id": obj.id},
-            {"$inc": {"meta.count_like": 1}},
-        )
-
-    @ensure_it_is_me
-    def inbox_undo_like(self, as_actor: ap.Person, like: ap.Like) -> None:
-        obj = like.get_object()
-        # Update the meta counter if the object is published by the server
-        DB.activities.update_one(
-            {"box": Box.OUTBOX.value, "activity.object.id": obj.id},
-            {"$inc": {"meta.count_like": -1}},
-        )
-        DB.activities.update_one({"remote_id": like.id}, {"$set": {"meta.undo": True}})
-
-    @ensure_it_is_me
-    def outbox_like(self, as_actor: ap.Person, like: ap.Like) -> None:
-        obj = like.get_object()
-        if obj.has_type(ap.ActivityType.QUESTION):
-            Tasks.fetch_remote_question(obj)
-
-        DB.activities.update_one(
-            {"activity.object.id": obj.id},
-            {"$inc": {"meta.count_like": 1}, "$set": {"meta.liked": like.id}},
-        )
-
-    @ensure_it_is_me
-    def outbox_undo_like(self, as_actor: ap.Person, like: ap.Like) -> None:
-        obj = like.get_object()
-        DB.activities.update_one(
-            {"activity.object.id": obj.id},
-            {"$inc": {"meta.count_like": -1}, "$set": {"meta.liked": False}},
-        )
-        DB.activities.update_one({"remote_id": like.id}, {"$set": {"meta.undo": True}})
-
-    @ensure_it_is_me
-    def inbox_announce(self, as_actor: ap.Person, announce: ap.Announce) -> None:
-        # TODO(tsileo): actually drop it without storing it and better logging, also move the check somewhere else
-        # or remove it?
-        try:
-            obj = announce.get_object()
-        except NotAnActivityError:
-            logger.exception(
-                f'received an Annouce referencing an OStatus notice ({announce._data["object"]}), dropping the message'
-            )
-            return
-
-        if obj.has_type(ap.ActivityType.QUESTION):
-            Tasks.fetch_remote_question(obj)
-
-        DB.activities.update_one(
-            {"remote_id": announce.id},
-            {
-                "$set": {
-                    "meta.object": obj.to_dict(embed=True),
-                    "meta.object_actor": _actor_to_meta(obj.get_actor()),
-                }
-            },
-        )
-        DB.activities.update_one(
-            {"activity.object.id": obj.id}, {"$inc": {"meta.count_boost": 1}}
-        )
-
-    @ensure_it_is_me
-    def inbox_undo_announce(self, as_actor: ap.Person, announce: ap.Announce) -> None:
-        obj = announce.get_object()
-        # Update the meta counter if the object is published by the server
-        DB.activities.update_one(
-            {"activity.object.id": obj.id}, {"$inc": {"meta.count_boost": -1}}
-        )
-        DB.activities.update_one(
-            {"remote_id": announce.id}, {"$set": {"meta.undo": True}}
-        )
-
-    @ensure_it_is_me
-    def outbox_announce(self, as_actor: ap.Person, announce: ap.Announce) -> None:
-        obj = announce.get_object()
-        if obj.has_type(ap.ActivityType.QUESTION):
-            Tasks.fetch_remote_question(obj)
-
-        DB.activities.update_one(
-            {"remote_id": announce.id},
-            {
-                "$set": {
-                    "meta.object": obj.to_dict(embed=True),
-                    "meta.object_actor": _actor_to_meta(obj.get_actor()),
-                }
-            },
-        )
-
-        DB.activities.update_one(
-            {"activity.object.id": obj.id}, {"$set": {"meta.boosted": announce.id}}
-        )
-
-    @ensure_it_is_me
-    def outbox_undo_announce(self, as_actor: ap.Person, announce: ap.Announce) -> None:
-        obj = announce.get_object()
-        DB.activities.update_one(
-            {"activity.object.id": obj.id}, {"$set": {"meta.boosted": False}}
-        )
-        DB.activities.update_one(
-            {"remote_id": announce.id}, {"$set": {"meta.undo": True}}
-        )
-
-    @ensure_it_is_me
-    def inbox_delete(self, as_actor: ap.Person, delete: ap.Delete) -> None:
-        obj_id = delete.get_object_id()
-        logger.debug("delete object={obj_id}")
-        try:
-            obj = ap.fetch_remote_activity(obj_id)
-            logger.info(f"inbox_delete handle_replies obj={obj!r}")
-            in_reply_to = obj.get_in_reply_to() if obj.inReplyTo else None
-            if obj.has_type(ap.CREATE_TYPES):
-                in_reply_to = ap._get_id(
-                    DB.activities.find_one(
-                        {"meta.object_id": obj_id, "type": ap.ActivityType.CREATE.value}
-                    )["activity"]["object"].get("inReplyTo")
-                )
-                if in_reply_to:
-                    self._handle_replies_delete(as_actor, in_reply_to)
-        except Exception:
-            logger.exception(f"failed to handle delete replies for {obj_id}")
-
-        DB.activities.update_one(
-            {"meta.object_id": obj_id, "type": "Create"},
-            {"$set": {"meta.deleted": True}},
-        )
-
-        # Foce undo other related activities
-        DB.activities.update({"meta.object_id": obj_id}, {"$set": {"meta.undo": True}})
-
-    @ensure_it_is_me
-    def outbox_delete(self, as_actor: ap.Person, delete: ap.Delete) -> None:
-        DB.activities.update(
-            {"meta.object_id": delete.get_object_id()},
-            {"$set": {"meta.deleted": True, "meta.undo": True}},
-        )
-        obj = delete.get_object()
-        if delete.get_object().ACTIVITY_TYPE != ap.ActivityType.NOTE:
-            obj = ap.parse_activity(
-                DB.activities.find_one(
-                    {
-                        "activity.object.id": delete.get_object().id,
-                        "type": ap.ActivityType.CREATE.value,
-                    }
-                )["activity"]
-            ).get_object()
-
-        self._handle_replies_delete(as_actor, obj.get_in_reply_to())
-
-    @ensure_it_is_me
-    def inbox_update(self, as_actor: ap.Person, update: ap.Update) -> None:
-        obj = update.get_object()
-        if obj.ACTIVITY_TYPE == ap.ActivityType.NOTE:
-            DB.activities.update_one(
-                {"activity.object.id": obj.id},
-                {"$set": {"activity.object": obj.to_dict()}},
-            )
-        elif obj.has_type(ap.ActivityType.QUESTION):
-            choices = obj._data.get("oneOf", obj.anyOf)
-            total_replies = 0
-            _set = {}
-            for choice in choices:
-                answer_key = _answer_key(choice["name"])
-                cnt = choice["replies"]["totalItems"]
-                total_replies += cnt
-                _set[f"meta.question_answers.{answer_key}"] = cnt
-
-            _set["meta.question_replies"] = total_replies
-
-            DB.activities.update_one(
-                {"box": Box.INBOX.value, "activity.object.id": obj.id}, {"$set": _set}
-            )
-            # Also update the cached copies of the question (like Announce and Like)
-            DB.activities.update_many(
-                {"meta.object.id": obj.id}, {"$set": {"meta.object": obj.to_dict()}}
-            )
-
-        # FIXME(tsileo): handle update actor amd inbox_update_note/inbox_update_actor
-
-    @ensure_it_is_me
-    def outbox_update(self, as_actor: ap.Person, _update: ap.Update) -> None:
-        obj = _update._data["object"]
-
-        update_prefix = "activity.object."
-        update: Dict[str, Any] = {"$set": dict(), "$unset": dict()}
-        update["$set"][f"{update_prefix}updated"] = (
-            datetime.utcnow().replace(microsecond=0).isoformat() + "Z"
-        )
-        for k, v in obj.items():
-            if k in ["id", "type"]:
-                continue
-            if v is None:
-                update["$unset"][f"{update_prefix}{k}"] = ""
-            else:
-                update["$set"][f"{update_prefix}{k}"] = v
-
-        if len(update["$unset"]) == 0:
-            del update["$unset"]
-
-        print(f"updating note from outbox {obj!r} {update}")
-        logger.info(f"updating note from outbox {obj!r} {update}")
-        DB.activities.update_one({"activity.object.id": obj["id"]}, update)
-        # FIXME(tsileo): should send an Update (but not a partial one, to all the note's recipients
-        # (create a new Update with the result of the update, and send it without saving it?)
-
-    @ensure_it_is_me
-    def outbox_create(self, as_actor: ap.Person, create: ap.Create) -> None:
-        obj = create.get_object()
-
-        # Flag the activity as a poll answer if needed
-        print(f"POLL ANSWER ChECK {obj.get_in_reply_to()} {obj.name} {obj.content}")
-        if obj.get_in_reply_to() and obj.name and not obj.content:
-            DB.activities.update_one(
-                {"remote_id": create.id}, {"$set": {"meta.poll_answer": True}}
-            )
-
-        self._handle_replies(as_actor, create)
-
-    @ensure_it_is_me
-    def inbox_create(self, as_actor: ap.Person, create: ap.Create) -> None:
-        # If it's a `Quesiion`, trigger an async task for updating it later (by fetching the remote and updating the
-        # local copy)
-        question = create.get_object()
-        if question.has_type(ap.ActivityType.QUESTION):
-            Tasks.fetch_remote_question(question)
-
-        self._handle_replies(as_actor, create)
-
-    @ensure_it_is_me
     def _handle_replies_delete(
         self, as_actor: ap.Person, in_reply_to: Optional[str]
     ) -> None:
@@ -627,7 +395,6 @@ class MicroblogPubBackend(Backend):
 
         return None
 
-    @ensure_it_is_me
     def _handle_replies(self, as_actor: ap.Person, create: ap.Create) -> None:
         """Go up to the root reply, store unknown replies in the `threads` DB and set the "meta.thread_root_parent"
         key to make it easy to query a whole thread."""

core/inbox.py

@@ -8,11 +8,11 @@ from little_boxes.errors import NotAnActivityError
 
 import config
 from core.activitypub import _answer_key
+from core.activitypub import post_to_outbox
 from core.db import DB
 from core.meta import Box
 from core.shared import MY_PERSON
 from core.shared import back
-from core.shared import post_to_outbox
 from core.tasks import Tasks
 from utils import now
 

core/shared.py

@@ -1,11 +1,9 @@
-import binascii
 import os
 from datetime import datetime
 from datetime import timezone
 from functools import wraps
 from typing import Any
 from typing import Dict
-from urllib.parse import urljoin
 
 import flask
 from bson.objectid import ObjectId
@@ -19,13 +17,10 @@ from little_boxes import activitypub as ap
 from little_boxes.activitypub import format_datetime
 from poussetaches import PousseTaches
 
-from config import BASE_URL
 from config import DB
 from config import ME
 from core import activitypub
 from core.activitypub import _answer_key
-from core.meta import Box
-from core.tasks import Tasks
 
 # _Response = Union[flask.Response, werkzeug.wrappers.Response, str, Any]
 _Response = Any
@@ -94,33 +89,6 @@ def _get_ip():
     return ip, geoip
 
 
-def activity_url(item_id: str) -> str:
-    return urljoin(BASE_URL, url_for("outbox_detail", item_id=item_id))
-
-
-def post_to_outbox(activity: ap.BaseActivity) -> str:
-    if activity.has_type(ap.CREATE_TYPES):
-        activity = activity.build_create()
-
-    # Assign create a random ID
-    obj_id = binascii.hexlify(os.urandom(8)).decode("utf-8")
-    uri = activity_url(obj_id)
-    activity._data["id"] = uri
-    if activity.has_type(ap.ActivityType.CREATE):
-        activity._data["object"]["id"] = urljoin(
-            BASE_URL, url_for("outbox_activity", item_id=obj_id)
-        )
-        activity._data["object"]["url"] = urljoin(
-            BASE_URL, url_for("note_by_id", note_id=obj_id)
-        )
-        activity.reset_object_cache()
-
-    back.save(Box.OUTBOX, activity)
-    Tasks.cache_actor(activity.id)
-    Tasks.finish_post_to_outbox(activity.id)
-    return activity.id
-
-
 def _build_thread(data, include_children=True):  # noqa: C901
     data["_requested"] = True
     app.logger.info(f"_build_thread({data!r})")