X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub_controller.ex;h=4e6842d85058b8d05cfab9a5d8d46aebc6899d16;hb=522221f7fb76859b23840bb0c9de0018dae41cbf;hp=5aa3b281ad2aeca2a075baa82b9cf299b0603eb3;hpb=cc9e456c0a5110ee17342e70de59fde75bf742fe;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index 5aa3b281a..4e6842d85 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -8,10 +8,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   alias Pleroma.Activity
   alias Pleroma.Delivery
   alias Pleroma.Object
-  alias Pleroma.Object.Fetcher
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Builder
   alias Pleroma.Web.ActivityPub.InternalFetchActor
   alias Pleroma.Web.ActivityPub.ObjectView
   alias Pleroma.Web.ActivityPub.Pipeline
@@ -67,8 +65,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def user(conn, %{"nickname" => nickname}) do
-    with %User{local: true} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+    with %User{local: true} = user <- User.get_cached_by_nickname(nickname) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
@@ -85,6 +82,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          user <- Map.get(assigns, :user, nil),
          {_, true} <- {:visible?, Visibility.visible_for_user?(object, user)} do
       conn
+      |> maybe_skip_cache(user)
       |> assign(:tracking_fun_data, object.id)
       |> set_cache_ttl_for(object)
       |> put_resp_content_type("application/activity+json")
@@ -113,6 +111,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          user <- Map.get(assigns, :user, nil),
          {_, true} <- {:visible?, Visibility.visible_for_user?(activity, user)} do
       conn
+      |> maybe_skip_cache(user)
       |> maybe_set_tracking_data(activity)
       |> set_cache_ttl_for(activity)
       |> put_resp_content_type("application/activity+json")
@@ -152,6 +151,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     assign(conn, :cache_ttl, ttl)
   end
 
+  def maybe_skip_cache(conn, user) do
+    if user do
+      conn
+      |> assign(:skip_cache, true)
+    else
+      conn
+    end
+  end
+
   # GET /relay/following
   def relay_following(conn, _params) do
     with %{halted: false} = conn <- FederatingPlug.call(conn, []) do
@@ -164,7 +172,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
          {:show_follows, true} <-
            {:show_follows, (for_user && for_user == user) || !user.hide_follows} do
       {page, _} = Integer.parse(page)
@@ -182,8 +189,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
+    with %User{} = user <- User.get_cached_by_nickname(nickname) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
@@ -203,7 +209,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
          {:show_followers, true} <-
            {:show_followers, (for_user && for_user == user) || !user.hide_followers} do
       {page, _} = Integer.parse(page)
@@ -221,8 +226,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
+    with %User{} = user <- User.get_cached_by_nickname(nickname) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
@@ -235,8 +239,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
         %{"nickname" => nickname, "page" => page?} = params
       )
       when page? in [true, "true"] do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+    with %User{} = user <- User.get_cached_by_nickname(nickname) do
       # "include_poll_votes" is a hack because postgres generates inefficient
       # queries when filtering by 'Answer', poll votes will be hidden by the
       # visibility filter in this case anyway
@@ -260,8 +263,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def outbox(conn, %{"nickname" => nickname}) do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- User.ensure_keys_present(user) do
+    with %User{} = user <- User.get_cached_by_nickname(nickname) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
@@ -284,51 +286,23 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     json(conn, "ok")
   end
 
-  # POST /relay/inbox -or- POST /internal/fetch/inbox
-  def inbox(conn, params) do
-    if params["type"] == "Create" && FederatingPlug.federating?() do
-      post_inbox_relayed_create(conn, params)
-    else
-      post_inbox_fallback(conn, params)
-    end
-  end
-
-  defp post_inbox_relayed_create(conn, params) do
-    Logger.debug(
-      "Signature missing or not from author, relayed Create message, fetching object from source"
-    )
-
-    Fetcher.fetch_object_from_id(params["object"]["id"])
-
-    json(conn, "ok")
+  def inbox(%{assigns: %{valid_signature: false}} = conn, _params) do
+    conn
+    |> put_status(:bad_request)
+    |> json("Invalid HTTP Signature")
   end
 
-  defp post_inbox_fallback(conn, params) do
-    headers = Enum.into(conn.req_headers, %{})
-
-    if headers["signature"] && params["actor"] &&
-         String.contains?(headers["signature"], params["actor"]) do
-      Logger.debug(
-        "Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
-      )
-
-      Logger.debug(inspect(conn.req_headers))
-    end
-
+  def inbox(conn, _params) do
     conn
     |> put_status(:bad_request)
-    |> json(dgettext("errors", "error"))
+    |> json("error, missing HTTP Signature")
   end
 
   defp represent_service_actor(%User{} = user, conn) do
-    with {:ok, user} <- User.ensure_keys_present(user) do
-      conn
-      |> put_resp_content_type("application/activity+json")
-      |> put_view(UserView)
-      |> render("user.json", %{user: user})
-    else
-      nil -> {:error, :not_found}
-    end
+    conn
+    |> put_resp_content_type("application/activity+json")
+    |> put_view(UserView)
+    |> render("user.json", %{user: user})
   end
 
   defp represent_service_actor(nil, _), do: {:error, :not_found}
@@ -381,12 +355,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   def read_inbox(%{assigns: %{user: %User{nickname: nickname} = user}} = conn, %{
         "nickname" => nickname
       }) do
-    with {:ok, user} <- User.ensure_keys_present(user) do
-      conn
-      |> put_resp_content_type("application/activity+json")
-      |> put_view(UserView)
-      |> render("activity_collection.json", %{iri: "#{user.ap_id}/inbox"})
-    end
+    conn
+    |> put_resp_content_type("application/activity+json")
+    |> put_view(UserView)
+    |> render("activity_collection.json", %{iri: "#{user.ap_id}/inbox"})
   end
 
   def read_inbox(%{assigns: %{user: %User{nickname: as_nickname}}} = conn, %{
@@ -403,83 +375,90 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     |> json(err)
   end
 
-  defp handle_user_activity(
-         %User{} = user,
-         %{"type" => "Create", "object" => %{"type" => "Note"} = object} = params
-       ) do
-    content = if is_binary(object["content"]), do: object["content"], else: ""
-    name = if is_binary(object["name"]), do: object["name"], else: ""
-    summary = if is_binary(object["summary"]), do: object["summary"], else: ""
-    length = String.length(content <> name <> summary)
+  defp fix_user_message(%User{ap_id: actor}, %{"type" => "Create", "object" => object} = activity)
+       when is_map(object) do
+    length =
+      [object["content"], object["summary"], object["name"]]
+      |> Enum.filter(&is_binary(&1))
+      |> Enum.join("")
+      |> String.length()
 
-    if length > Pleroma.Config.get([:instance, :limit]) do
-      {:error, dgettext("errors", "Note is over the character limit")}
-    else
+    limit = Pleroma.Config.get([:instance, :limit])
+
+    if length < limit do
       object =
         object
-        |> Map.merge(Map.take(params, ["to", "cc"]))
-        |> Map.put("attributedTo", user.ap_id)
-        |> Transmogrifier.fix_object()
-
-      ActivityPub.create(%{
-        to: params["to"],
-        actor: user,
-        context: object["context"],
-        object: object,
-        additional: Map.take(params, ["cc"])
-      })
-    end
-  end
+        |> Transmogrifier.strip_internal_fields()
+        |> Map.put("attributedTo", actor)
+        |> Map.put("actor", actor)
+        |> Map.put("id", Utils.generate_object_id())
 
-  defp handle_user_activity(%User{} = user, %{"type" => "Delete"} = params) do
-    with %Object{} = object <- Object.normalize(params["object"], fetch: false),
-         true <- user.is_moderator || user.ap_id == object.data["actor"],
-         {:ok, delete_data, _} <- Builder.delete(user, object.data["id"]),
-         {:ok, delete, _} <- Pipeline.common_pipeline(delete_data, local: true) do
-      {:ok, delete}
+      {:ok, Map.put(activity, "object", object)}
     else
-      _ -> {:error, dgettext("errors", "Can't delete object")}
+      {:error,
+       dgettext(
+         "errors",
+         "Character limit (%{limit} characters) exceeded, contains %{length} characters",
+         limit: limit,
+         length: length
+       )}
     end
   end
 
-  defp handle_user_activity(%User{} = user, %{"type" => "Like"} = params) do
-    with %Object{} = object <- Object.normalize(params["object"], fetch: false),
-         {_, {:ok, like_object, meta}} <- {:build_object, Builder.like(user, object)},
-         {_, {:ok, %Activity{} = activity, _meta}} <-
-           {:common_pipeline,
-            Pipeline.common_pipeline(like_object, Keyword.put(meta, :local, true))} do
+  defp fix_user_message(
+         %User{ap_id: actor} = user,
+         %{"type" => "Delete", "object" => object} = activity
+       ) do
+    with {_, %Object{data: object_data}} <- {:normalize, Object.normalize(object, fetch: false)},
+         {_, true} <- {:permission, user.is_moderator || actor == object_data["actor"]} do
       {:ok, activity}
     else
-      _ -> {:error, dgettext("errors", "Can't like object")}
+      {:normalize, _} ->
+        {:error, "No such object found"}
+
+      {:permission, _} ->
+        {:forbidden, "You can't delete this object"}
     end
   end
 
-  defp handle_user_activity(_, _) do
-    {:error, dgettext("errors", "Unhandled activity type")}
+  defp fix_user_message(%User{}, activity) do
+    {:ok, activity}
   end
 
   def update_outbox(
-        %{assigns: %{user: %User{nickname: nickname} = user}} = conn,
+        %{assigns: %{user: %User{nickname: nickname, ap_id: actor} = user}} = conn,
         %{"nickname" => nickname} = params
       ) do
-    actor = user.ap_id
-
     params =
       params
-      |> Map.drop(["id"])
+      |> Map.drop(["nickname"])
+      |> Map.put("id", Utils.generate_activity_id())
       |> Map.put("actor", actor)
-      |> Transmogrifier.fix_addressing()
 
-    with {:ok, %Activity{} = activity} <- handle_user_activity(user, params) do
+    with {:ok, params} <- fix_user_message(user, params),
+         {:ok, activity, _} <- Pipeline.common_pipeline(params, local: true),
+         %Activity{data: activity_data} <- Activity.normalize(activity) do
       conn
       |> put_status(:created)
-      |> put_resp_header("location", activity.data["id"])
-      |> json(activity.data)
+      |> put_resp_header("location", activity_data["id"])
+      |> json(activity_data)
     else
+      {:forbidden, message} ->
+        conn
+        |> put_status(:forbidden)
+        |> json(message)
+
       {:error, message} ->
         conn
         |> put_status(:bad_request)
         |> json(message)
+
+      e ->
+        Logger.warn(fn -> "AP C2S: #{inspect(e)}" end)
+
+        conn
+        |> put_status(:bad_request)
+        |> json("Bad Request")
     end
   end
 
@@ -516,19 +495,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     conn
   end
 
-  defp ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
-    {:ok, new_user} = User.ensure_keys_present(user)
-
-    for_user =
-      if new_user != user and match?(%User{}, for_user) do
-        User.get_cached_by_nickname(for_user.nickname)
-      else
-        for_user
-      end
-
-    {new_user, for_user}
-  end
-
   def upload_media(%{assigns: %{user: %User{} = user}} = conn, %{"file" => file} = data) do
     with {:ok, object} <-
            ActivityPub.upload(