Merge branch 'develop' into feature/digest-email
[akkoma] / lib / pleroma / web / activity_pub / views / user_view.ex
index 1f6b591a5ee911b4a4d8d9a267ce1ec83957f9cb..639519e0a87692e6f8d3e9116b1c4a04b1791b5c 100644 (file)
@@ -4,22 +4,41 @@
 
 defmodule Pleroma.Web.ActivityPub.UserView do
   use Pleroma.Web, :view
-  alias Pleroma.Web.Salmon
-  alias Pleroma.Web.WebFinger
-  alias Pleroma.User
+
+  alias Pleroma.Keys
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.Endpoint
+  alias Pleroma.Web.Router.Helpers
+
   import Ecto.Query
 
-  # the instance itself is not a Person, but instead an Application
-  def render("user.json", %{user: %{nickname: nil} = user}) do
-    {:ok, user} = WebFinger.ensure_keys_present(user)
-    {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
+  def render("endpoints.json", %{user: %User{nickname: nil, local: true} = _user}) do
+    %{"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)}
+  end
+
+  def render("endpoints.json", %{user: %User{local: true} = _user}) do
+    %{
+      "oauthAuthorizationEndpoint" => Helpers.o_auth_url(Endpoint, :authorize),
+      "oauthRegistrationEndpoint" => Helpers.mastodon_api_url(Endpoint, :create_app),
+      "oauthTokenEndpoint" => Helpers.o_auth_url(Endpoint, :token_exchange),
+      "sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)
+    }
+  end
+
+  def render("endpoints.json", _), do: %{}
+
+  def render("service.json", %{user: user}) do
+    {:ok, user} = User.ensure_keys_present(user)
+    {:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
     public_key = :public_key.pem_encode([public_key])
 
+    endpoints = render("endpoints.json", %{user: user})
+
     %{
       "id" => user.ap_id,
       "type" => "Application",
@@ -27,7 +46,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "followers" => "#{user.ap_id}/followers",
       "inbox" => "#{user.ap_id}/inbox",
       "name" => "Pleroma",
-      "summary" => "Virtual actor for Pleroma relay",
+      "summary" =>
+        "An internal service actor for this Pleroma instance.  No user-serviceable parts inside.",
       "url" => user.ap_id,
       "manuallyApprovesFollowers" => false,
       "publicKey" => %{
@@ -35,19 +55,31 @@ defmodule Pleroma.Web.ActivityPub.UserView do
         "owner" => user.ap_id,
         "publicKeyPem" => public_key
       },
-      "endpoints" => %{
-        "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
-      }
+      "endpoints" => endpoints
     }
     |> Map.merge(Utils.make_json_ld_header())
   end
 
+  # the instance itself is not a Person, but instead an Application
+  def render("user.json", %{user: %User{nickname: nil} = user}),
+    do: render("service.json", %{user: user})
+
+  def render("user.json", %{user: %User{nickname: "internal." <> _} = user}),
+    do: render("service.json", %{user: user})
+
   def render("user.json", %{user: user}) do
-    {:ok, user} = WebFinger.ensure_keys_present(user)
-    {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
+    {:ok, user} = User.ensure_keys_present(user)
+    {:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
     public_key = :public_key.pem_encode([public_key])
 
+    endpoints = render("endpoints.json", %{user: user})
+
+    user_tags =
+      user
+      |> Transmogrifier.add_emoji_tags()
+      |> Map.get("tag", [])
+
     %{
       "id" => user.ap_id,
       "type" => "Person",
@@ -65,72 +97,105 @@ defmodule Pleroma.Web.ActivityPub.UserView do
         "owner" => user.ap_id,
         "publicKeyPem" => public_key
       },
-      "endpoints" => %{
-        "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
-      },
-      "icon" => %{
-        "type" => "Image",
-        "url" => User.avatar_url(user)
-      },
-      "image" => %{
-        "type" => "Image",
-        "url" => User.banner_url(user)
-      },
-      "tag" => user.info.source_data["tag"] || []
+      "endpoints" => endpoints,
+      "tag" => (user.info.source_data["tag"] || []) ++ user_tags
     }
+    |> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user))
+    |> Map.merge(maybe_make_image(&User.banner_url/2, "image", user))
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("following.json", %{user: user, page: page}) do
+  def render("following.json", %{user: user, page: page} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_follows
     query = User.get_friends_query(user)
     query = from(user in query, select: [:ap_id])
     following = Repo.all(query)
 
-    collection(following, "#{user.ap_id}/following", page, !user.info.hide_followings)
+    total =
+      if showing do
+        length(following)
+      else
+        0
+      end
+
+    collection(following, "#{user.ap_id}/following", page, showing, total)
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("following.json", %{user: user}) do
+  def render("following.json", %{user: user} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_follows
     query = User.get_friends_query(user)
     query = from(user in query, select: [:ap_id])
     following = Repo.all(query)
 
+    total =
+      if showing do
+        length(following)
+      else
+        0
+      end
+
     %{
       "id" => "#{user.ap_id}/following",
       "type" => "OrderedCollection",
-      "totalItems" => length(following),
-      "first" => collection(following, "#{user.ap_id}/following", 1, !user.info.hide_followings)
+      "totalItems" => total,
+      "first" =>
+        if showing do
+          collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows)
+        else
+          "#{user.ap_id}/following?page=1"
+        end
     }
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("followers.json", %{user: user, page: page}) do
+  def render("followers.json", %{user: user, page: page} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_followers
+
     query = User.get_followers_query(user)
     query = from(user in query, select: [:ap_id])
     followers = Repo.all(query)
 
-    collection(followers, "#{user.ap_id}/followers", page, !user.info.hide_followers)
+    total =
+      if showing do
+        length(followers)
+      else
+        0
+      end
+
+    collection(followers, "#{user.ap_id}/followers", page, showing, total)
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("followers.json", %{user: user}) do
+  def render("followers.json", %{user: user} = opts) do
+    showing = (opts[:for] && opts[:for] == user) || !user.info.hide_followers
+
     query = User.get_followers_query(user)
     query = from(user in query, select: [:ap_id])
     followers = Repo.all(query)
 
+    total =
+      if showing do
+        length(followers)
+      else
+        0
+      end
+
     %{
       "id" => "#{user.ap_id}/followers",
       "type" => "OrderedCollection",
-      "totalItems" => length(followers),
-      "first" => collection(followers, "#{user.ap_id}/followers", 1, !user.info.hide_followers)
+      "totalItems" => total,
+      "first" =>
+        if showing do
+          collection(followers, "#{user.ap_id}/followers", 1, showing, total)
+        else
+          "#{user.ap_id}/followers?page=1"
+        end
     }
     |> Map.merge(Utils.make_json_ld_header())
   end
 
   def render("outbox.json", %{user: user, max_id: max_qid}) do
-    # XXX: technically note_count is wrong for this, but it's better than nothing
-    info = User.user_info(user)
-
     params = %{
       "limit" => "10"
     }
@@ -143,14 +208,24 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       end
 
     activities = ActivityPub.fetch_user_activities(user, nil, params)
-    min_id = Enum.at(Enum.reverse(activities), 0).id
-    max_id = Enum.at(activities, 0).id
 
-    collection =
-      Enum.map(activities, fn act ->
-        {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
-        data
-      end)
+    {max_id, min_id, collection} =
+      if length(activities) > 0 do
+        {
+          Enum.at(Enum.reverse(activities), 0).id,
+          Enum.at(activities, 0).id,
+          Enum.map(activities, fn act ->
+            {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
+            data
+          end)
+        }
+      else
+        {
+          0,
+          0,
+          []
+        }
+      end
 
     iri = "#{user.ap_id}/outbox"
 
@@ -158,7 +233,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "id" => "#{iri}?max_id=#{max_id}",
       "type" => "OrderedCollectionPage",
       "partOf" => iri,
-      "totalItems" => info.note_count,
       "orderedItems" => collection,
       "next" => "#{iri}?max_id=#{min_id}"
     }
@@ -167,7 +241,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       %{
         "id" => iri,
         "type" => "OrderedCollection",
-        "totalItems" => info.note_count,
         "first" => page
       }
       |> Map.merge(Utils.make_json_ld_header())
@@ -205,7 +278,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "id" => "#{iri}?max_id=#{max_id}",
       "type" => "OrderedCollectionPage",
       "partOf" => iri,
-      "totalItems" => -1,
       "orderedItems" => collection,
       "next" => "#{iri}?max_id=#{min_id}"
     }
@@ -214,7 +286,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       %{
         "id" => iri,
         "type" => "OrderedCollection",
-        "totalItems" => -1,
         "first" => page
       }
       |> Map.merge(Utils.make_json_ld_header())
@@ -243,4 +314,17 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       map
     end
   end
+
+  defp maybe_make_image(func, key, user) do
+    if image = func.(user, no_default: true) do
+      %{
+        key => %{
+          "type" => "Image",
+          "url" => image
+        }
+      }
+    else
+      %{}
+    end
+  end
 end