Try poussetaches

.travis.yml

@@ -16,6 +16,7 @@ install:
  - sudo chmod +x /usr/local/bin/docker-compose
  - docker-compose --version
  - pip install -r dev-requirements.txt
+ - git clone https://github.com/tsileo/poussetaches.git && cd poussetaches && docker build . -t poussetaches:latest && cd -
 script:
  - mypy --ignore-missing-imports .
  - flake8 activitypub.py

app.py

@@ -16,6 +16,8 @@ from typing import Tuple
 from urllib.parse import urlencode
 from urllib.parse import urlparse
 
+from requests.exceptions import HTTPError
+import requests
 import bleach
 import mf2py
 import pymongo
@@ -41,7 +43,10 @@ from little_boxes.activitypub import _to_list
 from little_boxes.activitypub import clean_activity
 from little_boxes.activitypub import get_backend
 from little_boxes.content_helper import parse_markdown
+from little_boxes.linked_data_sig import generate_signature
 from little_boxes.errors import ActivityGoneError
+from little_boxes.errors import NotAnActivityError
+from little_boxes.errors import BadActivityError
 from little_boxes.errors import ActivityNotFoundError
 from little_boxes.errors import Error
 from little_boxes.errors import NotFromOutboxError
@@ -49,15 +54,18 @@ from little_boxes.httpsig import HTTPSigAuth
 from little_boxes.httpsig import verify_request
 from little_boxes.webfinger import get_actor_url
 from little_boxes.webfinger import get_remote_follow_template
+from utils import opengraph
 from passlib.hash import bcrypt
 from u2flib_server import u2f
 from werkzeug.utils import secure_filename
 
 import activitypub
 import config
-import tasks
+
+# import tasks
 from activitypub import Box
 from activitypub import embed_collection
+from config import USER_AGENT
 from config import ADMIN_API_KEY
 from config import BASE_URL
 from config import DB
@@ -78,6 +86,11 @@ from utils.key import get_secret_key
 from utils.lookup import lookup
 from utils.media import Kind
 
+from poussetaches import PousseTaches
+
+p = PousseTaches("http://poussetaches:7991", "http://web:5005")
+
+
 back = activitypub.MicroblogPubBackend()
 ap.use_backend(back)
 
@@ -191,7 +204,7 @@ ALLOWED_TAGS = [
 def clean_html(html):
     try:
         return bleach.clean(html, tags=ALLOWED_TAGS)
-    except:
+    except Exception:
         return ""
 
 
@@ -631,7 +644,7 @@ def authorize_follow():
         return redirect("/following")
 
     follow = ap.Follow(actor=MY_PERSON.id, object=actor)
-    tasks.post_to_outbox(follow)
+    post_to_outbox(follow)
 
     return redirect("/following")
 
@@ -758,7 +771,7 @@ def tmp_migrate4():
 @login_required
 def tmp_migrate5():
     for activity in DB.activities.find():
-        tasks.cache_actor.delay(activity["remote_id"], also_cache_attachments=False)
+        Tasks.cache_actor(activity["remote_id"], also_cache_attachments=False)
 
     return "Done"
 
@@ -835,9 +848,10 @@ def _get_cached(type_="html", arg=None):
         cached = DB.cache2.find_one({"path": request.path, "type": type_, "arg": arg})
         if cached:
             app.logger.info("from cache")
-            return cached['response_data']
+            return cached["response_data"]
     return None
 
+
 def _cache(resp, type_="html", arg=None):
     if not CACHING:
         return None
@@ -855,7 +869,9 @@ def _cache(resp, type_="html", arg=None):
 def index():
     if is_api_request():
         return jsonify(**ME)
-    cache_arg = f"{request.args.get('older_than', '')}:{request.args.get('newer_than', '')}"
+    cache_arg = (
+        f"{request.args.get('older_than', '')}:{request.args.get('newer_than', '')}"
+    )
     cached = _get_cached("html", cache_arg)
     if cached:
         return cached
@@ -1197,7 +1213,7 @@ def outbox():
     data = request.get_json(force=True)
     print(data)
     activity = ap.parse_activity(data)
-    activity_id = tasks.post_to_outbox(activity)
+    activity_id = post_to_outbox(activity)
 
     return Response(status=201, headers={"Location": activity_id})
 
@@ -1536,11 +1552,15 @@ def _user_api_get_note(from_outbox: bool = False):
     oid = _user_api_arg("id")
     app.logger.info(f"fetching {oid}")
     try:
-        note = ap.parse_activity(get_backend().fetch_iri(oid), expected=ActivityType.NOTE)
-    except:
+        note = ap.parse_activity(
+            get_backend().fetch_iri(oid), expected=ActivityType.NOTE
+        )
+    except Exception:
         try:
-            note = ap.parse_activity(get_backend().fetch_iri(oid), expected=ActivityType.VIDEO)
-        except:
+            note = ap.parse_activity(
+                get_backend().fetch_iri(oid), expected=ActivityType.VIDEO
+            )
+        except Exception:
             raise ActivityNotFoundError(
                 "Expected Note or Video ActivityType, but got something else"
             )
@@ -1570,7 +1590,7 @@ def api_delete():
 
     delete = ap.Delete(actor=ID, object=ap.Tombstone(id=note.id).to_dict(embed=True))
 
-    delete_id = tasks.post_to_outbox(delete)
+    delete_id = post_to_outbox(delete)
 
     return _user_api_response(activity=delete_id)
 
@@ -1581,7 +1601,7 @@ def api_boost():
     note = _user_api_get_note()
 
     announce = note.build_announce(MY_PERSON)
-    announce_id = tasks.post_to_outbox(announce)
+    announce_id = post_to_outbox(announce)
 
     return _user_api_response(activity=announce_id)
 
@@ -1592,7 +1612,7 @@ def api_like():
     note = _user_api_get_note()
 
     like = note.build_like(MY_PERSON)
-    like_id = tasks.post_to_outbox(like)
+    like_id = post_to_outbox(like)
 
     return _user_api_response(activity=like_id)
 
@@ -1639,7 +1659,7 @@ def api_undo():
     obj = ap.parse_activity(doc.get("activity"))
     # FIXME(tsileo): detect already undo-ed and make this API call idempotent
     undo = obj.build_undo()
-    undo_id = tasks.post_to_outbox(undo)
+    undo_id = post_to_outbox(undo)
 
     return _user_api_response(activity=undo_id)
 
@@ -1664,7 +1684,7 @@ def admin_stream():
     )
 
 
-@app.route("/inbox", methods=["GET", "POST"])
+@app.route("/inbox", methods=["GET", "POST"])  # noqa: C901
 def inbox():
     if request.method == "GET":
         if not is_api_request():
@@ -1733,7 +1753,7 @@ def inbox():
             )
     activity = ap.parse_activity(data)
     logger.debug(f"inbox activity={activity}/{data}")
-    tasks.post_to_inbox(activity)
+    post_to_inbox(activity)
 
     return Response(status=201)
 
@@ -1819,7 +1839,7 @@ def api_new_note():
 
     note = ap.Note(**raw_note)
     create = note.build_create()
-    create_id = tasks.post_to_outbox(create)
+    create_id = post_to_outbox(create)
 
     return _user_api_response(activity=create_id)
 
@@ -1852,7 +1872,7 @@ def api_block():
         return _user_api_response(activity=existing["activity"]["id"])
 
     block = ap.Block(actor=MY_PERSON.id, object=actor)
-    block_id = tasks.post_to_outbox(block)
+    block_id = post_to_outbox(block)
 
     return _user_api_response(activity=block_id)
 
@@ -1874,7 +1894,7 @@ def api_follow():
         return _user_api_response(activity=existing["activity"]["id"])
 
     follow = ap.Follow(actor=MY_PERSON.id, object=actor)
-    follow_id = tasks.post_to_outbox(follow)
+    follow_id = post_to_outbox(follow)
 
     return _user_api_response(activity=follow_id)
 
@@ -1895,8 +1915,9 @@ def followers():
         )
 
     raw_followers, older_than, newer_than = paginated_query(DB.activities, q)
-    followers = [doc["meta"]["actor"]
-                 for doc in raw_followers if "actor" in doc.get("meta", {})]
+    followers = [
+        doc["meta"]["actor"] for doc in raw_followers if "actor" in doc.get("meta", {})
+    ]
     return render_template(
         "followers.html",
         followers_data=followers,
@@ -1924,9 +1945,11 @@ def following():
         abort(404)
 
     following, older_than, newer_than = paginated_query(DB.activities, q)
-    following = [(doc["remote_id"], doc["meta"]["object"])
+    following = [
+        (doc["remote_id"], doc["meta"]["object"])
         for doc in following
-                 if "remote_id" in doc and "object" in doc.get("meta", {})]
+        if "remote_id" in doc and "object" in doc.get("meta", {})
+    ]
     return render_template(
         "following.html",
         following_data=following,
@@ -2087,7 +2110,7 @@ def indieauth_flow():
     return redirect(red)
 
 
-@app.route('/indieauth', methods=['GET', 'POST'])
+@app.route("/indieauth", methods=["GET", "POST"])
 def indieauth_endpoint():
     if request.method == "GET":
         if not session.get("logged_in"):
@@ -2189,9 +2212,7 @@ def token_endpoint():
 @app.route("/feed.json")
 def json_feed():
     return Response(
-        response=json.dumps(
-            activitypub.json_feed("/feed.json")
-        ),
+        response=json.dumps(activitypub.json_feed("/feed.json")),
         headers={"Content-Type": "application/json"},
     )
 
@@ -2210,3 +2231,538 @@ def rss_feed():
         response=activitypub.gen_feed().rss_str(),
         headers={"Content-Type": "application/rss+xml"},
     )
+
+
+@app.route("/task/t1")
+def task_t1():
+    p.push(
+        "https://mastodon.cloud/@iulius/101852467780804071/activity",
+        "/task/cache_object",
+    )
+    return "ok"
+
+
+@app.route("/task/t2", methods=["POST"])
+def task_t2():
+    print(request)
+    print(request.headers)
+    task = p.parse(request)
+    print(task)
+    return "yay"
+
+
+@app.route("/task/fetch_og_meta", methods=["POST"])
+def task_fetch_og_metadata():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        app.logger.info(f"activity={activity!r}")
+        if activity.has_type(ap.ActivityType.CREATE):
+            note = activity.get_object()
+            links = opengraph.links_from_note(note.to_dict())
+            og_metadata = opengraph.fetch_og_metadata(USER_AGENT, links)
+            for og in og_metadata:
+                if not og.get("image"):
+                    continue
+                MEDIA_CACHE.cache_og_image(og["image"])
+
+            app.logger.debug(f"OG metadata {og_metadata!r}")
+            DB.activities.update_one(
+                {"remote_id": iri}, {"$set": {"meta.og_metadata": og_metadata}}
+            )
+
+        app.logger.info(f"OG metadata fetched for {iri}")
+    except (ActivityGoneError, ActivityNotFoundError):
+        app.logger.exception(f"dropping activity {iri}, skip OG metedata")
+        return ""
+    except requests.exceptions.HTTPError as http_err:
+        if 400 <= http_err.response.status_code < 500:
+            app.logger.exception("bad request, no retry")
+            return ""
+        app.logger.exception("failed to fetch OG metadata")
+        abort(500)
+    except Exception:
+        app.logger.exception(f"failed to fetch OG metadata for {iri}")
+        abort(500)
+
+
+@app.route("/task/cache_object", methods=["POST"])
+def task_cache_object():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        print(activity)
+        print(activity.__dict__)
+        app.logger.info(f"activity={activity!r}")
+        obj = activity
+        # obj = activity.get_object()
+        DB.activities.update_one(
+            {"remote_id": activity.id},
+            {
+                "$set": {
+                    "meta.object": obj.to_dict(embed=True),
+                    "meta.object_actor": activitypub._actor_to_meta(obj.get_actor()),
+                }
+            },
+        )
+    except (ActivityGoneError, ActivityNotFoundError, NotAnActivityError):
+        DB.activities.update_one({"remote_id": iri}, {"$set": {"meta.deleted": True}})
+        app.logger.exception(f"flagging activity {iri} as deleted, no object caching")
+        return ""
+    except Exception:
+        app.logger.exception(f"failed to cache object for {iri}")
+        abort(500)
+    return ""
+
+
+class Tasks:
+    @staticmethod
+    def cache_object(iri: str) -> None:
+        p.push(iri, "/task/cache_object")
+
+    @staticmethod
+    def cache_actor(iri: str, also_cache_attachments: bool = True) -> None:
+        p.push(
+            {"iri": iri, "also_cache_attachments": also_cache_attachments},
+            "/task/cache_actor",
+        )
+
+    @staticmethod
+    def post_to_remote_inbox(payload: str, recp: str) -> None:
+        p.push({"payload": payload, "to": recp}, "/task/post_to_remote_inbox")
+
+    @staticmethod
+    def forward_activity(iri: str) -> None:
+        p.push(iri, "/task/forward_activity")
+
+    @staticmethod
+    def fetch_og_meta(iri: str) -> None:
+        p.push(iri, "/task/fetch_og_meta")
+
+    @staticmethod
+    def process_new_activity(iri: str) -> None:
+        p.push(iri, "/task/process_new_activity")
+
+    @staticmethod
+    def cache_attachments(iri: str) -> None:
+        p.push(iri, "/task/cache_attachments")
+
+    @staticmethod
+    def finish_post_to_inbox(iri: str) -> None:
+        p.push(iri, "/task/finish_post_to_inbox")
+
+    @staticmethod
+    def finish_post_to_outbox(iri: str) -> None:
+        p.push(iri, "/task/finish_post_to_outbox")
+
+
+@app.route("/task/finish_post_to_outbox", methods=["POST"])  # noqa:C901
+def task_finish_post_to_outbox():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        app.logger.info(f"activity={activity!r}")
+
+        recipients = activity.recipients()
+
+        if activity.has_type(ap.ActivityType.DELETE):
+            back.outbox_delete(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.UPDATE):
+            back.outbox_update(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.CREATE):
+            back.outbox_create(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.ANNOUNCE):
+            back.outbox_announce(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.LIKE):
+            back.outbox_like(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.UNDO):
+            obj = activity.get_object()
+            if obj.has_type(ap.ActivityType.LIKE):
+                back.outbox_undo_like(MY_PERSON, obj)
+            elif obj.has_type(ap.ActivityType.ANNOUNCE):
+                back.outbox_undo_announce(MY_PERSON, obj)
+            elif obj.has_type(ap.ActivityType.FOLLOW):
+                back.undo_new_following(MY_PERSON, obj)
+
+        app.logger.info(f"recipients={recipients}")
+        activity = ap.clean_activity(activity.to_dict())
+
+        DB.cache2.remove()
+
+        payload = json.dumps(activity)
+        for recp in recipients:
+            app.logger.debug(f"posting to {recp}")
+            Tasks.post_to_remote_inbox(payload, recp)
+    except (ActivityGoneError, ActivityNotFoundError):
+        app.logger.exception(f"no retry")
+    except Exception:
+        app.logger.exception(f"failed to post to remote inbox for {iri}")
+        abort(500)
+
+
+@app.route("/task/finish_post_to_inbox", methods=["POST"])  # noqa: C901
+def task_finish_post_to_inbox():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        app.logger.info(f"activity={activity!r}")
+
+        if activity.has_type(ap.ActivityType.DELETE):
+            back.inbox_delete(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.UPDATE):
+            back.inbox_update(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.CREATE):
+            back.inbox_create(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.ANNOUNCE):
+            back.inbox_announce(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.LIKE):
+            back.inbox_like(MY_PERSON, activity)
+        elif activity.has_type(ap.ActivityType.FOLLOW):
+            # Reply to a Follow with an Accept
+            accept = ap.Accept(actor=ID, object=activity.to_dict(embed=True))
+            post_to_outbox(accept)
+        elif activity.has_type(ap.ActivityType.UNDO):
+            obj = activity.get_object()
+            if obj.has_type(ap.ActivityType.LIKE):
+                back.inbox_undo_like(MY_PERSON, obj)
+            elif obj.has_type(ap.ActivityType.ANNOUNCE):
+                back.inbox_undo_announce(MY_PERSON, obj)
+            elif obj.has_type(ap.ActivityType.FOLLOW):
+                back.undo_new_follower(MY_PERSON, obj)
+        try:
+            invalidate_cache(activity)
+        except Exception:
+            app.logger.exception("failed to invalidate cache")
+    except (ActivityGoneError, ActivityNotFoundError, NotAnActivityError):
+        app.logger.exception(f"no retry")
+    except Exception:
+        app.logger.exception(f"failed to cache attachments for {iri}")
+        abort(500)
+
+
+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 = back.random_object_id()
+    activity.set_id(back.activity_url(obj_id), obj_id)
+
+    back.save(Box.OUTBOX, activity)
+    Tasks.cache_actor(activity.id)
+    Tasks.finish_post_to_outbox(activity.id)
+    return activity.id
+
+
+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")
+
+    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)
+
+
+def invalidate_cache(activity):
+    if activity.has_type(ap.ActivityType.LIKE):
+        if activity.get_object().id.startswith(BASE_URL):
+            DB.cache2.remove()
+    elif activity.has_type(ap.ActivityType.ANNOUNCE):
+        if activity.get_object().id.startswith(BASE_URL):
+            DB.cache2.remove()
+    elif activity.has_type(ap.ActivityType.UNDO):
+        DB.cache2.remove()
+    elif activity.has_type(ap.ActivityType.DELETE):
+        # TODO(tsileo): only invalidate if it's a delete of a reply
+        DB.cache2.remove()
+    elif activity.has_type(ap.ActivityType.UPDATE):
+        DB.cache2.remove()
+    elif activity.has_type(ap.ActivityType.CREATE):
+        note = activity.get_object()
+        if not note.inReplyTo or note.inReplyTo.startswith(ID):
+            DB.cache2.remove()
+        # FIXME(tsileo): check if it's a reply of a reply
+
+
+@app.route("/task/cache_attachments", methods=["POST"])
+def task_cache_attachments():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        app.logger.info(f"activity={activity!r}")
+        # Generates thumbnails for the actor's icon and the attachments if any
+
+        actor = activity.get_actor()
+
+        # Update the cached actor
+        DB.actors.update_one(
+            {"remote_id": iri},
+            {"$set": {"remote_id": iri, "data": actor.to_dict(embed=True)}},
+            upsert=True,
+        )
+
+        if actor.icon:
+            MEDIA_CACHE.cache(actor.icon["url"], Kind.ACTOR_ICON)
+
+        if activity.has_type(ap.ActivityType.CREATE):
+            for attachment in activity.get_object()._data.get("attachment", []):
+                if (
+                    attachment.get("mediaType", "").startswith("image/")
+                    or attachment.get("type") == ap.ActivityType.IMAGE.value
+                ):
+                    try:
+                        MEDIA_CACHE.cache(attachment["url"], Kind.ATTACHMENT)
+                    except ValueError:
+                        app.logger.exception(f"failed to cache {attachment}")
+
+        app.logger.info(f"attachments cached for {iri}")
+
+    except (ActivityGoneError, ActivityNotFoundError, NotAnActivityError):
+        app.logger.exception(f"dropping activity {iri}, no attachment caching")
+    except Exception:
+        app.logger.exception(f"failed to cache attachments for {iri}")
+        abort(500)
+
+
+@app.route("/task/cache_actor", methods=["POST"])
+def task_cache_actor():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri, also_cache_attachments = (
+        task.payload["iri"],
+        task.payload.get("also_cache_attachments", True),
+    )
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        app.logger.info(f"activity={activity!r}")
+
+        if activity.has_type(ap.ActivityType.CREATE):
+            Tasks.fetch_og_metadata(iri)
+
+        if activity.has_type([ap.ActivityType.LIKE, ap.ActivityType.ANNOUNCE]):
+            Tasks.cache_object(iri)
+
+        actor = activity.get_actor()
+
+        cache_actor_with_inbox = False
+        if activity.has_type(ap.ActivityType.FOLLOW):
+            if actor.id != ID:
+                # It's a Follow from the Inbox
+                cache_actor_with_inbox = True
+            else:
+                # It's a new following, cache the "object" (which is the actor we follow)
+                DB.activities.update_one(
+                    {"remote_id": iri},
+                    {
+                        "$set": {
+                            "meta.object": activitypub._actor_to_meta(
+                                activity.get_object()
+                            )
+                        }
+                    },
+                )
+
+        # Cache the actor info
+        DB.activities.update_one(
+            {"remote_id": iri},
+            {
+                "$set": {
+                    "meta.actor": activitypub._actor_to_meta(
+                        actor, cache_actor_with_inbox
+                    )
+                }
+            },
+        )
+
+        app.logger.info(f"actor cached for {iri}")
+        if also_cache_attachments and activity.has_type(ap.ActivityType.CREATE):
+            Tasks.cache_attachments(iri)
+
+    except (ActivityGoneError, ActivityNotFoundError):
+        DB.activities.update_one({"remote_id": iri}, {"$set": {"meta.deleted": True}})
+        app.logger.exception(f"flagging activity {iri} as deleted, no actor caching")
+    except Exception:
+        app.logger.exception(f"failed to cache actor for {iri}")
+        abort(500)
+
+
+@app.route("/task/process_new_activity", methods=["POST"])  # noqa:c901
+def task_process_new_activity():
+    """Process an activity received in the inbox"""
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        app.logger.info(f"activity={activity!r}")
+
+        # Is the activity expected?
+        # following = ap.get_backend().following()
+        should_forward = False
+        should_delete = False
+
+        tag_stream = False
+        if activity.has_type(ap.ActivityType.ANNOUNCE):
+            try:
+                activity.get_object()
+                tag_stream = True
+            except (NotAnActivityError, BadActivityError):
+                app.logger.exception(f"failed to get announce object for {activity!r}")
+                # Most likely on OStatus notice
+                tag_stream = False
+                should_delete = True
+            except (ActivityGoneError, ActivityNotFoundError):
+                # The announced activity is deleted/gone, drop it
+                should_delete = True
+
+        elif activity.has_type(ap.ActivityType.CREATE):
+            note = activity.get_object()
+            # Make the note part of the stream if it's not a reply, or if it's a local reply
+            if not note.inReplyTo or note.inReplyTo.startswith(ID):
+                tag_stream = True
+
+            if note.inReplyTo:
+                try:
+                    reply = ap.fetch_remote_activity(note.inReplyTo)
+                    if (
+                        reply.id.startswith(ID) or reply.has_mention(ID)
+                    ) and activity.is_public():
+                        # The reply is public "local reply", forward the reply (i.e. the original activity) to the
+                        # original recipients
+                        should_forward = True
+                except NotAnActivityError:
+                    # Most likely a reply to an OStatus notce
+                    should_delete = True
+
+            # (partial) Ghost replies handling
+            # [X] This is the first time the server has seen this Activity.
+            should_forward = False
+            local_followers = ID + "/followers"
+            for field in ["to", "cc"]:
+                if field in activity._data:
+                    if local_followers in activity._data[field]:
+                        # [X] The values of to, cc, and/or audience contain a Collection owned by the server.
+                        should_forward = True
+
+            # [X] The values of inReplyTo, object, target and/or tag are objects owned by the server
+            if not (note.inReplyTo and note.inReplyTo.startswith(ID)):
+                should_forward = False
+
+        elif activity.has_type(ap.ActivityType.DELETE):
+            note = DB.activities.find_one(
+                {"activity.object.id": activity.get_object().id}
+            )
+            if note and note["meta"].get("forwarded", False):
+                # If the activity was originally forwarded, forward the delete too
+                should_forward = True
+
+        elif activity.has_type(ap.ActivityType.LIKE):
+            if not activity.get_object_id().startswith(BASE_URL):
+                # We only want to keep a like if it's a like for a local activity
+                # (Pleroma relay the likes it received, we don't want to store them)
+                should_delete = True
+
+        if should_forward:
+            app.logger.info(f"will forward {activity!r} to followers")
+            Tasks.forward_activity(activity.id)
+
+        if should_delete:
+            app.logger.info(f"will soft delete {activity!r}")
+
+        app.logger.info(f"{iri} tag_stream={tag_stream}")
+        DB.activities.update_one(
+            {"remote_id": activity.id},
+            {
+                "$set": {
+                    "meta.stream": tag_stream,
+                    "meta.forwarded": should_forward,
+                    "meta.deleted": should_delete,
+                }
+            },
+        )
+
+        app.logger.info(f"new activity {iri} processed")
+        if not should_delete and not activity.has_type(ap.ActivityType.DELETE):
+            Tasks.cache_actor(iri)
+    except (ActivityGoneError, ActivityNotFoundError):
+        app.logger.log.exception(f"dropping activity {iri}, skip processing")
+    except Exception:
+        app.logger.exception(f"failed to process new activity {iri}")
+        abort(500)
+
+
+@app.route("/task/forward_activity")
+def task_forward_activity():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    iri = task.payload
+    try:
+        activity = ap.fetch_remote_activity(iri)
+        recipients = back.followers_as_recipients()
+        app.logger.debug(f"Forwarding {activity!r} to {recipients}")
+        activity = ap.clean_activity(activity.to_dict())
+        payload = json.dumps(activity)
+        for recp in recipients:
+            app.logger.debug(f"forwarding {activity!r} to {recp}")
+            Tasks.post_to_remote_inbox(payload, recp)
+    except Exception:
+        app.logger.exception("task failed")
+        abort(500)
+
+
+@app.route("/task/post_to_remote_inbox")
+def task_post_to_remote_inbox():
+    task = p.parse(request)
+    app.logger.info(f"task={task!r}")
+    payload, to = task.payload["payload"], task.payload["to"]
+    try:
+        app.logger.info("payload=%s", payload)
+        app.logger.info("generating sig")
+        signed_payload = json.loads(payload)
+
+        # Don't overwrite the signature if we're forwarding an activity
+        if "signature" not in signed_payload:
+            generate_signature(signed_payload, KEY)
+
+        app.logger.info("to=%s", to)
+        resp = requests.post(
+            to,
+            data=json.dumps(signed_payload),
+            auth=SIG_AUTH,
+            headers={
+                "Content-Type": HEADERS[1],
+                "Accept": HEADERS[1],
+                "User-Agent": USER_AGENT,
+            },
+        )
+        app.logger.info("resp=%s", resp)
+        app.logger.info("resp_body=%s", resp.text)
+        resp.raise_for_status()
+    except HTTPError as err:
+        app.logger.exception("request failed")
+        if 400 >= err.response.status_code >= 499:
+            app.logger.info("client error, no retry")
+            return ""
+
+        abort(500)

config.py

@@ -105,11 +105,16 @@ MEDIA_CACHE = MediaCache(GRIDFS, USER_AGENT)
 def create_indexes():
     DB.activities.create_index([("remote_id", pymongo.ASCENDING)])
     DB.activities.create_index([("activity.object.id", pymongo.ASCENDING)])
-    DB.activities.create_index([
-        ("activity.object.id", pymongo.ASCENDING),
-        ("meta.deleted", pymongo.ASCENDING),
-    ])
-    DB.cache2.create_index([("path", pymongo.ASCENDING), ("type", pymongo.ASCENDING), ("arg", pymongo.ASCENDING)])
+    DB.activities.create_index(
+        [("activity.object.id", pymongo.ASCENDING), ("meta.deleted", pymongo.ASCENDING)]
+    )
+    DB.cache2.create_index(
+        [
+            ("path", pymongo.ASCENDING),
+            ("type", pymongo.ASCENDING),
+            ("arg", pymongo.ASCENDING),
+        ]
+    )
     DB.cache2.create_index("date", expireAfterSeconds=3600 * 12)
 
     # Index for the block query

docker-compose-tests.yml

@@ -4,9 +4,6 @@ services:
     image: 'microblogpub:latest'
     ports:
      - "${WEB_PORT}:5005"
-    links:
-     - mongo
-     - rmq
     volumes:
      - "${CONFIG_DIR}:/app/config"
      - "./static:/app/static"
@@ -14,12 +11,10 @@ services:
      - MICROBLOGPUB_AMQP_BROKER=pyamqp://guest@rmq//
      - MICROBLOGPUB_MONGODB_HOST=mongo:27017
      - MICROBLOGPUB_DEBUG=1
+     - POUSSETACHES_AUTH_KEY=123
   celery:
 #    image: "instance1_web"
     image: 'microblogpub:latest'
-    links:
-     - mongo
-     - rmq
     command: 'celery worker -l info -A tasks'
     volumes:
      - "${CONFIG_DIR}:/app/config"
@@ -35,6 +30,10 @@ services:
     environment:
      - RABBITMQ_ERLANG_COOKIE=secretrabbit
      - RABBITMQ_NODENAME=rabbit@my-rabbit
+  poussetaches:
+    image: "poussetaches:latest"
+    environment:
+     - POUSSETACHES_AUTH_KEY=123
 networks:
   default:
     name: microblogpubfede 

docker-compose.yml

@@ -7,12 +7,14 @@ services:
     links:
      - mongo
      - rmq
+     - poussetaches
     volumes:
      - "${CONFIG_DIR}:/app/config"
      - "./static:/app/static"
     environment:
      - MICROBLOGPUB_AMQP_BROKER=pyamqp://guest@rmq//
      - MICROBLOGPUB_MONGODB_HOST=mongo:27017
+     - POUSSETACHES_AUTH_KEY=123
   celery:
     image: 'microblogpub:latest'
     links:
@@ -36,3 +38,7 @@ services:
      - RABBITMQ_NODENAME=rabbit@my-rabbit
     volumes:
      - "${DATA_DIR}/rabbitmq:/var/lib/rabbitmq"
+  poussetaches:
+    image: "poussetaches:latest"
+    environment:
+     - POUSSETACHES_AUTH_KEY=123

poussetaches.py

@@ -0,0 +1,48 @@
+import base64
+import json
+import os
+from typing import Any
+from dataclasses import dataclass
+import flask
+import requests
+
+POUSSETACHES_AUTH_KEY = os.getenv("POUSSETACHES_AUTH_KEY")
+
+
+@dataclass
+class Task:
+    req_id: str
+    tries: int
+
+    payload: Any
+
+
+class PousseTaches:
+    def __init__(self, api_url: str, base_url: str) -> None:
+        self.api_url = api_url
+        self.base_url = base_url
+
+    def push(self, payload: Any, path: str, expected=200) -> str:
+        # Encode our payload
+        p = base64.b64encode(json.dumps(payload).encode()).decode()
+
+        # Queue/push it
+        resp = requests.post(
+            self.api_url,
+            json={"url": self.base_url + path, "payload": p, "expected": expected},
+        )
+        resp.raise_for_status()
+
+        return resp.headers.get("Poussetaches-Task-ID")
+
+    def parse(self, req: flask.Request) -> Task:
+        if req.headers.get("Poussetaches-Auth-Key") != POUSSETACHES_AUTH_KEY:
+            raise ValueError("Bad auth key")
+
+        # Parse the "envelope"
+        envelope = json.loads(req.data)
+        print(req)
+        print(f"envelope={envelope!r}")
+        payload = json.loads(base64.b64decode(envelope["payload"]))
+
+        return Task(req_id=envelope["req_id"], tries=envelope["tries"], payload=payload)

tasks.py

@@ -339,6 +339,7 @@ def invalidate_cache(activity):
             DB.cache2.remove()
         # FIXME(tsileo): check if it's a reply of a reply
 
+
 @app.task(bind=True, max_retries=MAX_RETRIES)  # noqa: C901
 def finish_post_to_inbox(self, iri: str) -> None:
     try: