defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.Activity
- alias Pleroma.Repo
+ alias Pleroma.Instances
+ alias Pleroma.Notification
alias Pleroma.Object
+ alias Pleroma.Object.Fetcher
+ alias Pleroma.Pagination
+ alias Pleroma.Repo
alias Pleroma.Upload
alias Pleroma.User
- alias Pleroma.Notification
- alias Pleroma.Instances
- alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.MRF
- alias Pleroma.Web.WebFinger
+ alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.Federator
- alias Pleroma.Web.OStatus
+ alias Pleroma.Web.WebFinger
import Ecto.Query
import Pleroma.Web.ActivityPub.Utils
+ import Pleroma.Web.ActivityPub.Visibility
require Logger
defp check_remote_limit(_), do: true
- def insert(map, local \\ true) when is_map(map) do
+ def increase_note_count_if_public(actor, object) do
+ if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
+ end
+
+ def decrease_note_count_if_public(actor, object) do
+ if is_public?(object), do: User.decrease_note_count(actor), else: {:ok, actor}
+ end
+
+ def increase_replies_count_if_reply(%{
+ "object" => %{"inReplyTo" => reply_ap_id} = object,
+ "type" => "Create"
+ }) do
+ if is_public?(object) do
+ Object.increase_replies_count(reply_ap_id)
+ end
+ end
+
+ def increase_replies_count_if_reply(_create_data), do: :noop
+
+ def decrease_replies_count_if_reply(%Object{
+ data: %{"inReplyTo" => reply_ap_id} = object
+ }) do
+ if is_public?(object) do
+ Object.decrease_replies_count(reply_ap_id)
+ end
+ end
+
+ def decrease_replies_count_if_reply(_object), do: :noop
+
+ def insert(map, local \\ true, fake \\ false) when is_map(map) do
with nil <- Activity.normalize(map),
- map <- lazy_put_activity_defaults(map),
+ map <- lazy_put_activity_defaults(map, fake),
:ok <- check_actor_is_active(map["actor"]),
{_, true} <- {:remote_limit_error, check_remote_limit(map)},
{:ok, map} <- MRF.filter(map),
- :ok <- insert_full_object(map) do
- {recipients, _, _} = get_recipients(map)
-
+ {recipients, _, _} = get_recipients(map),
+ {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
+ {:ok, map, object} <- insert_full_object(map) do
{:ok, activity} =
Repo.insert(%Activity{
data: map,
recipients: recipients
})
+ # Splice in the child object if we have one.
+ activity =
+ if !is_nil(object) do
+ Map.put(activity, :object, object)
+ else
+ activity
+ end
+
Task.start(fn ->
Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
end)
stream_out(activity)
{:ok, activity}
else
- %Activity{} = activity -> {:ok, activity}
- error -> {:error, error}
+ %Activity{} = activity ->
+ {:ok, activity}
+
+ {:fake, true, map, recipients} ->
+ activity = %Activity{
+ data: map,
+ local: local,
+ actor: map["actor"],
+ recipients: recipients,
+ id: "pleroma:fakeid"
+ }
+
+ Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
+ {:ok, activity}
+
+ error ->
+ {:error, error}
end
end
public = "https://www.w3.org/ns/activitystreams#Public"
if activity.data["type"] in ["Create", "Announce", "Delete"] do
+ object = Object.normalize(activity.data["object"])
Pleroma.Web.Streamer.stream("user", activity)
Pleroma.Web.Streamer.stream("list", activity)
end
if activity.data["type"] in ["Create"] do
- activity.data["object"]
+ object.data
|> Map.get("tag", [])
|> Enum.filter(fn tag -> is_bitstring(tag) end)
|> Enum.each(fn tag -> Pleroma.Web.Streamer.stream("hashtag:" <> tag, activity) end)
- if activity.data["object"]["attachment"] != [] do
+ if object.data["attachment"] != [] do
Pleroma.Web.Streamer.stream("public:media", activity)
if activity.local do
end
end
- def create(%{to: to, actor: actor, context: context, object: object} = params) do
+ def create(%{to: to, actor: actor, context: context, object: object} = params, fake \\ false) do
additional = params[:additional] || %{}
# only accept false as false value
local = !(params[:local] == false)
%{to: to, actor: actor, published: published, context: context, object: object},
additional
),
- {:ok, activity} <- insert(create_data, local),
- # Changing note count prior to enqueuing federation task in order to avoid race conditions on updating user.info
- {:ok, _actor} <- User.increase_note_count(actor),
+ {:ok, activity} <- insert(create_data, local, fake),
+ {:fake, false, activity} <- {:fake, fake, activity},
+ _ <- increase_replies_count_if_reply(create_data),
+ # Changing note count prior to enqueuing federation task in order to avoid
+ # race conditions on updating user.info
+ {:ok, _actor} <- increase_note_count_if_public(actor, activity),
:ok <- maybe_federate(activity) do
{:ok, activity}
+ else
+ {:fake, true, activity} ->
+ {:ok, activity}
end
end
with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
{:ok, activity} <- insert(data, local),
- :ok <- maybe_federate(activity),
- _ <- User.update_follow_request_count(actor) do
+ :ok <- maybe_federate(activity) do
{:ok, activity}
end
end
with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
{:ok, activity} <- insert(data, local),
- :ok <- maybe_federate(activity),
- _ <- User.update_follow_request_count(actor) do
+ :ok <- maybe_federate(activity) do
{:ok, activity}
end
end
def follow(follower, followed, activity_id \\ nil, local \\ true) do
with data <- make_follow_data(follower, followed, activity_id),
{:ok, activity} <- insert(data, local),
- :ok <- maybe_federate(activity),
- _ <- User.update_follow_request_count(followed) do
+ :ok <- maybe_federate(activity) do
{:ok, activity}
end
end
{:ok, follow_activity} <- update_follow_state(follow_activity, "cancelled"),
unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
{:ok, activity} <- insert(unfollow_data, local),
- :ok <- maybe_federate(activity),
- _ <- User.update_follow_request_count(followed) do
+ :ok <- maybe_federate(activity) do
{:ok, activity}
end
end
def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
user = User.get_cached_by_ap_id(actor)
+ to = (object.data["to"] || []) ++ (object.data["cc"] || [])
- data = %{
- "type" => "Delete",
- "actor" => actor,
- "object" => id,
- "to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"]
- }
-
- with {:ok, _} <- Object.delete(object),
+ with {:ok, object, activity} <- Object.delete(object),
+ data <- %{
+ "type" => "Delete",
+ "actor" => actor,
+ "object" => id,
+ "to" => to,
+ "deleted_activity_id" => activity && activity.id
+ },
{:ok, activity} <- insert(data, local),
- # Changing note count prior to enqueuing federation task in order to avoid race conditions on updating user.info
- {:ok, _actor} <- User.decrease_note_count(user),
+ _ <- decrease_replies_count_if_reply(object),
+ # Changing note count prior to enqueuing federation task in order to avoid
+ # race conditions on updating user.info
+ {:ok, _actor} <- decrease_note_count_if_public(user, object),
:ok <- maybe_federate(activity) do
{:ok, activity}
end
end
end
+ def flag(
+ %{
+ actor: actor,
+ context: context,
+ account: account,
+ statuses: statuses,
+ content: content
+ } = params
+ ) do
+ # only accept false as false value
+ local = !(params[:local] == false)
+ forward = !(params[:forward] == false)
+
+ additional = params[:additional] || %{}
+
+ params = %{
+ actor: actor,
+ context: context,
+ account: account,
+ statuses: statuses,
+ content: content
+ }
+
+ additional =
+ if forward do
+ Map.merge(additional, %{"to" => [], "cc" => [account.ap_id]})
+ else
+ Map.merge(additional, %{"to" => [], "cc" => []})
+ end
+
+ with flag_data <- make_flag_data(params, additional),
+ {:ok, activity} <- insert(flag_data, local),
+ :ok <- maybe_federate(activity) do
+ Enum.each(User.all_superusers(), fn superuser ->
+ superuser
+ |> Pleroma.Emails.AdminEmail.report(actor, account, statuses, content)
+ |> Pleroma.Emails.Mailer.deliver_async()
+ end)
+
+ {:ok, activity}
+ end
+ end
+
def fetch_activities_for_context(context, opts \\ %{}) do
public = ["https://www.w3.org/ns/activitystreams#Public"]
),
order_by: [desc: :id]
)
+ |> Activity.with_preloaded_object()
Repo.all(query)
end
q
|> restrict_unlisted()
- |> Repo.all()
+ |> Pagination.fetch_paginated(opts)
|> Enum.reverse()
end
@valid_visibilities ~w[direct unlisted public private]
+ defp restrict_visibility(query, %{visibility: visibility})
+ when is_list(visibility) do
+ if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
+ query =
+ from(
+ a in query,
+ where:
+ fragment(
+ "activity_visibility(?, ?, ?) = ANY (?)",
+ a.actor,
+ a.recipients,
+ a.data,
+ ^visibility
+ )
+ )
+
+ Ecto.Adapters.SQL.to_sql(:all, Repo, query)
+
+ query
+ else
+ Logger.error("Could not restrict visibility to #{visibility}")
+ end
+ end
+
defp restrict_visibility(query, %{visibility: visibility})
when visibility in @valid_visibilities do
query =
defp restrict_since(query, _), do: query
+ defp restrict_tag_reject(_query, %{"tag_reject" => _tag_reject, "skip_preload" => true}) do
+ raise "Can't use the child object without preloading!"
+ end
+
defp restrict_tag_reject(query, %{"tag_reject" => tag_reject})
when is_list(tag_reject) and tag_reject != [] do
from(
- activity in query,
- where: fragment("(not (? #> '{\"object\",\"tag\"}') \\?| ?)", activity.data, ^tag_reject)
+ [_activity, object] in query,
+ where: fragment("not (?)->'tag' \\?| (?)", object.data, ^tag_reject)
)
end
defp restrict_tag_reject(query, _), do: query
+ defp restrict_tag_all(_query, %{"tag_all" => _tag_all, "skip_preload" => true}) do
+ raise "Can't use the child object without preloading!"
+ end
+
defp restrict_tag_all(query, %{"tag_all" => tag_all})
when is_list(tag_all) and tag_all != [] do
from(
- activity in query,
- where: fragment("(? #> '{\"object\",\"tag\"}') \\?& ?", activity.data, ^tag_all)
+ [_activity, object] in query,
+ where: fragment("(?)->'tag' \\?& (?)", object.data, ^tag_all)
)
end
defp restrict_tag_all(query, _), do: query
+ defp restrict_tag(_query, %{"tag" => _tag, "skip_preload" => true}) do
+ raise "Can't use the child object without preloading!"
+ end
+
defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
from(
- activity in query,
- where: fragment("(? #> '{\"object\",\"tag\"}') \\?| ?", activity.data, ^tag)
+ [_activity, object] in query,
+ where: fragment("(?)->'tag' \\?| (?)", object.data, ^tag)
)
end
defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
from(
- activity in query,
- where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
+ [_activity, object] in query,
+ where: fragment("(?)->'tag' \\? (?)", object.data, ^tag)
)
end
)
end
- defp restrict_limit(query, %{"limit" => limit}) do
- from(activity in query, limit: ^limit)
- end
-
- defp restrict_limit(query, _), do: query
-
defp restrict_local(query, %{"local_only" => true}) do
from(activity in query, where: activity.local == true)
end
defp restrict_local(query, _), do: query
- defp restrict_max(query, %{"max_id" => ""}), do: query
-
- defp restrict_max(query, %{"max_id" => max_id}) do
- from(activity in query, where: activity.id < ^max_id)
- end
-
- defp restrict_max(query, _), do: query
-
defp restrict_actor(query, %{"actor_id" => actor_id}) do
from(activity in query, where: activity.actor == ^actor_id)
end
defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
from(
activity in query,
- where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
+ where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
)
end
defp restrict_favorited_by(query, _), do: query
+ defp restrict_media(_query, %{"only_media" => _val, "skip_preload" => true}) do
+ raise "Can't use the child object without preloading!"
+ end
+
defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
from(
- activity in query,
- where: fragment("not (? #> '{\"object\",\"attachment\"}' = ?)", activity.data, ^[])
+ [_activity, object] in query,
+ where: fragment("not (?)->'attachment' = (?)", object.data, ^[])
)
end
defp restrict_reblogs(query, _), do: query
+ defp restrict_muted(query, %{"with_muted" => val}) when val in [true, "true", "1"], do: query
+
+ defp restrict_muted(query, %{"muting_user" => %User{info: info}}) do
+ mutes = info.mutes
+
+ from(
+ activity in query,
+ where: fragment("not (? = ANY(?))", activity.actor, ^mutes),
+ where: fragment("not (?->'to' \\?| ?)", activity.data, ^mutes)
+ )
+ end
+
+ defp restrict_muted(query, _), do: query
+
defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
blocks = info.blocks || []
domain_blocks = info.domain_blocks || []
from(
activity in query,
where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
- where: fragment("not (?->'to' \\?| ?)", activity.data, ^blocks),
+ where: fragment("not (? && ?)", activity.recipients, ^blocks),
+ where:
+ fragment(
+ "not (?->>'type' = 'Announce' and ?->'to' \\?| ?)",
+ activity.data,
+ activity.data,
+ ^blocks
+ ),
where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
)
end
defp restrict_pinned(query, _), do: query
+ defp restrict_muted_reblogs(query, %{"muting_user" => %User{info: info}}) do
+ muted_reblogs = info.muted_reblogs || []
+
+ from(
+ activity in query,
+ where:
+ fragment(
+ "not ( ?->>'type' = 'Announce' and ? = ANY(?))",
+ activity.data,
+ activity.actor,
+ ^muted_reblogs
+ )
+ )
+ end
+
+ defp restrict_muted_reblogs(query, _), do: query
+
+ defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query
+
+ defp maybe_preload_objects(query, _) do
+ query
+ |> Activity.with_preloaded_object()
+ end
+
def fetch_activities_query(recipients, opts \\ %{}) do
- base_query =
- from(
- activity in Activity,
- limit: 20,
- order_by: [fragment("? desc nulls last", activity.id)]
- )
+ base_query = from(activity in Activity)
base_query
+ |> maybe_preload_objects(opts)
|> restrict_recipients(recipients, opts["user"])
|> restrict_tag(opts)
|> restrict_tag_reject(opts)
|> restrict_tag_all(opts)
|> restrict_since(opts)
|> restrict_local(opts)
- |> restrict_limit(opts)
- |> restrict_max(opts)
|> restrict_actor(opts)
|> restrict_type(opts)
|> restrict_favorited_by(opts)
|> restrict_blocked(opts)
+ |> restrict_muted(opts)
|> restrict_media(opts)
|> restrict_visibility(opts)
|> restrict_replies(opts)
|> restrict_reblogs(opts)
|> restrict_pinned(opts)
+ |> restrict_muted_reblogs(opts)
+ |> Activity.restrict_deactivated_users()
end
def fetch_activities(recipients, opts \\ %{}) do
fetch_activities_query(recipients, opts)
- |> Repo.all()
+ |> Pagination.fetch_paginated(opts)
|> Enum.reverse()
end
def fetch_activities_bounded(recipients_to, recipients_cc, opts \\ %{}) do
fetch_activities_query([], opts)
|> restrict_to_cc(recipients_to, recipients_cc)
- |> Repo.all()
+ |> Pagination.fetch_paginated(opts)
|> Enum.reverse()
end
end
def fetch_and_prepare_user_from_ap_id(ap_id) do
- with {:ok, data} <- fetch_and_contain_remote_object_from_id(ap_id) do
+ with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do
user_data_from_user_object(data)
else
e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
+ date =
+ NaiveDateTime.utc_now()
+ |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
+
signature =
Pleroma.Web.HTTPSignatures.sign(actor, %{
host: host,
"content-length": byte_size(json),
- digest: digest
+ digest: digest,
+ date: date
})
with {:ok, %{status: code}} when code in 200..299 <-
json,
[
{"Content-Type", "application/activity+json"},
+ {"Date", date},
{"signature", signature},
{"digest", digest}
]
end
end
- # TODO:
- # This will create a Create activity, which we need internally at the moment.
- def fetch_object_from_id(id) do
- if object = Object.get_cached_by_ap_id(id) do
- {:ok, object}
- else
- with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
- nil <- Object.normalize(data),
- params <- %{
- "type" => "Create",
- "to" => data["to"],
- "cc" => data["cc"],
- "actor" => data["actor"] || data["attributedTo"],
- "object" => data
- },
- :ok <- Transmogrifier.contain_origin(id, params),
- {:ok, activity} <- Transmogrifier.handle_incoming(params) do
- {:ok, Object.normalize(activity.data["object"])}
- else
- {:error, {:reject, nil}} ->
- {:reject, nil}
-
- object = %Object{} ->
- {:ok, object}
-
- _e ->
- Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
-
- case OStatus.fetch_activity_from_url(id) do
- {:ok, [activity | _]} -> {:ok, Object.normalize(activity.data["object"])}
- e -> e
- end
- end
- end
- end
-
- def fetch_and_contain_remote_object_from_id(id) do
- Logger.info("Fetching object #{id} via AP")
-
- with true <- String.starts_with?(id, "http"),
- {:ok, %{body: body, status: code}} when code in 200..299 <-
- @httpoison.get(
- id,
- [{:Accept, "application/activity+json"}]
- ),
- {:ok, data} <- Jason.decode(body),
- :ok <- Transmogrifier.contain_origin_from_id(id, data) do
- {:ok, data}
- else
- e ->
- {:error, e}
- end
- end
-
- def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
- def is_public?(%Object{data: data}), do: is_public?(data)
- def is_public?(%Activity{data: data}), do: is_public?(data)
- def is_public?(%{"directMessage" => true}), do: false
-
- def is_public?(data) do
- "https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] || []))
- end
-
- def is_private?(activity) do
- unless is_public?(activity) do
- follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address
- Enum.any?(activity.data["to"], &(&1 == follower_address))
- else
- false
- end
- end
-
- def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
- def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
-
- def is_direct?(activity) do
- !is_public?(activity) && !is_private?(activity)
- end
-
- def visible_for_user?(activity, nil) do
- is_public?(activity)
- end
-
- def visible_for_user?(activity, user) do
- x = [user.ap_id | user.following]
- y = activity.data["to"] ++ (activity.data["cc"] || [])
- visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
- end
-
- # guard
- def entire_thread_visible_for_user?(nil, _user), do: false
-
- # child
- def entire_thread_visible_for_user?(
- %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
- user
- )
- when is_binary(parent_id) do
- parent = Activity.get_in_reply_to_activity(tail)
- visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
- end
-
- # root
- def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)
-
# filter out broken threads
def contain_broken_threads(%Activity{} = activity, %User{} = user) do
entire_thread_visible_for_user?(activity, user)
projects / akkoma / blobdiff