diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
| -rw-r--r-- | lib/pleroma/web/activity_pub/builder.ex | 79 | ||||
| -rw-r--r-- | lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex | 55 | ||||
| -rw-r--r-- | lib/pleroma/web/activity_pub/utils.ex | 70 |
3 files changed, 182 insertions, 22 deletions
diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex index 532047599..4681b3dc9 100644 --- a/lib/pleroma/web/activity_pub/builder.ex +++ b/lib/pleroma/web/activity_pub/builder.ex @@ -16,6 +16,7 @@ defmodule Pleroma.Web.ActivityPub.Builder do alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility alias Pleroma.Web.CommonAPI.ActivityDraft + alias Pleroma.Web.Endpoint require Pleroma.Constants @@ -54,13 +55,85 @@ defmodule Pleroma.Web.ActivityPub.Builder do {:ok, data, []} end + defp unicode_emoji_react(_object, data, emoji) do + data + |> Map.put("content", emoji) + |> Map.put("type", "EmojiReact") + end + + defp add_emoji_content(data, emoji, url) do + data + |> Map.put("content", Emoji.maybe_quote(emoji)) + |> Map.put("type", "EmojiReact") + |> Map.put("tag", [ + %{} + |> Map.put("id", url) + |> Map.put("type", "Emoji") + |> Map.put("name", Emoji.maybe_quote(emoji)) + |> Map.put( + "icon", + %{} + |> Map.put("type", "Image") + |> Map.put("url", url) + ) + ]) + end + + defp remote_custom_emoji_react( + %{data: %{"reactions" => existing_reactions}}, + data, + emoji + ) do + [emoji_code, instance] = String.split(Emoji.stripped_name(emoji), "@") + + matching_reaction = + Enum.find( + existing_reactions, + fn [name, _, url] -> + url = URI.parse(url) + url.host == instance && name == emoji_code + end + ) + + if matching_reaction do + [name, _, url] = matching_reaction + add_emoji_content(data, name, url) + else + {:error, "Could not react"} + end + end + + defp remote_custom_emoji_react(_object, _data, _emoji) do + {:error, "Could not react"} + end + + defp local_custom_emoji_react(data, emoji) do + with %{} = emojo <- Emoji.get(emoji) do + path = emojo |> Map.get(:file) + url = "#{Endpoint.url()}#{path}" + add_emoji_content(data, emojo.code, url) + else + _ -> {:error, "Emoji does not exist"} + end + end + + defp custom_emoji_react(object, data, emoji) do + if String.contains?(emoji, "@") do + remote_custom_emoji_react(object, data, emoji) + else + local_custom_emoji_react(data, emoji) + end + end + @spec emoji_react(User.t(), Object.t(), String.t()) :: {:ok, map(), keyword()} def emoji_react(actor, object, emoji) do with {:ok, data, meta} <- object_action(actor, object) do data = - data - |> Map.put("content", emoji) - |> Map.put("type", "EmojiReact") + if Emoji.is_unicode_emoji?(emoji) do + unicode_emoji_react(object, data, emoji) + else + custom_emoji_react(object, data, emoji) + end {:ok, data, meta} end diff --git a/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex index 0858281e5..54efe5c42 100644 --- a/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex +++ b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex @@ -5,6 +5,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do use Ecto.Schema + alias Pleroma.Emoji alias Pleroma.Object alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes @@ -12,6 +13,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations @primary_key false + @emoji_regex ~r/:[A-Za-z0-9_-]+(@.+)?:/ embedded_schema do quote do @@ -19,6 +21,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields message_fields() activity_fields() + tag_fields() end end @@ -43,7 +46,8 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do def changeset(struct, data) do struct - |> cast(data, __schema__(:fields)) + |> cast(data, __schema__(:fields) -- [:tag]) + |> cast_embed(:tag) end defp fix(data) do @@ -53,12 +57,21 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do |> CommonFixes.fix_actor() |> CommonFixes.fix_activity_addressing() - with %Object{} = object <- Object.normalize(data["object"]) do - data - |> CommonFixes.fix_activity_context(object) - |> CommonFixes.fix_object_action_recipients(object) - else - _ -> data + data = + if Map.has_key?(data, "tag") do + data + else + Map.put(data, "tag", []) + end + + case Object.normalize(data["object"]) do + %Object{} = object -> + data + |> CommonFixes.fix_activity_context(object) + |> CommonFixes.fix_object_action_recipients(object) + + _ -> + data end end @@ -79,14 +92,37 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do defp fix_emoji_qualification(data), do: data + defp matches_shortcode?(nil), do: false + defp matches_shortcode?(s), do: Regex.match?(@emoji_regex, s) + defp validate_emoji(cng) do content = get_field(cng, :content) - if Pleroma.Emoji.is_unicode_emoji?(content) do + if Emoji.is_unicode_emoji?(content) || matches_shortcode?(content) do cng else cng - |> add_error(:content, "must be a single character emoji") + |> add_error(:content, "is not a valid emoji") + end + end + + defp maybe_validate_tag_presence(cng) do + content = get_field(cng, :content) + + if Emoji.is_unicode_emoji?(content) do + cng + else + tag = get_field(cng, :tag) + emoji_name = Emoji.stripped_name(content) + + case tag do + [%{name: ^emoji_name, type: "Emoji", icon: %{url: _}}] -> + cng + + _ -> + cng + |> add_error(:tag, "does not contain an Emoji tag") + end end end @@ -97,5 +133,6 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do |> validate_actor_presence() |> validate_object_presence() |> validate_emoji() + |> maybe_validate_tag_presence() end end diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index b898d6fe8..11f1b95c5 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -325,21 +325,29 @@ defmodule Pleroma.Web.ActivityPub.Utils do {:ok, Object.t()} | {:error, Ecto.Changeset.t()} def add_emoji_reaction_to_object( - %Activity{data: %{"content" => emoji, "actor" => actor}}, + %Activity{data: %{"content" => emoji, "actor" => actor}} = activity, object ) do reactions = get_cached_emoji_reactions(object) + emoji = Pleroma.Emoji.stripped_name(emoji) + url = emoji_url(emoji, activity) new_reactions = - case Enum.find_index(reactions, fn [candidate, _] -> emoji == candidate end) do + case Enum.find_index(reactions, fn [candidate, _, candidate_url] -> + if is_nil(candidate_url) do + emoji == candidate + else + url == candidate_url + end + end) do nil -> - reactions ++ [[emoji, [actor]]] + reactions ++ [[emoji, [actor], url]] index -> List.update_at( reactions, index, - fn [emoji, users] -> [emoji, Enum.uniq([actor | users])] end + fn [emoji, users, url] -> [emoji, Enum.uniq([actor | users]), url] end ) end @@ -348,18 +356,40 @@ defmodule Pleroma.Web.ActivityPub.Utils do update_element_in_object("reaction", new_reactions, object, count) end + defp emoji_url( + name, + %Activity{ + data: %{ + "tag" => [ + %{"type" => "Emoji", "name" => name, "icon" => %{"url" => url}} + ] + } + } + ), + do: url + + defp emoji_url(_, _), do: nil + def emoji_count(reactions_list) do - Enum.reduce(reactions_list, 0, fn [_, users], acc -> acc + length(users) end) + Enum.reduce(reactions_list, 0, fn [_, users, _], acc -> acc + length(users) end) end def remove_emoji_reaction_from_object( - %Activity{data: %{"content" => emoji, "actor" => actor}}, + %Activity{data: %{"content" => emoji, "actor" => actor}} = activity, object ) do + emoji = Pleroma.Emoji.stripped_name(emoji) reactions = get_cached_emoji_reactions(object) + url = emoji_url(emoji, activity) new_reactions = - case Enum.find_index(reactions, fn [candidate, _] -> emoji == candidate end) do + case Enum.find_index(reactions, fn [candidate, _, candidate_url] -> + if is_nil(candidate_url) do + emoji == candidate + else + url == candidate_url + end + end) do nil -> reactions @@ -367,9 +397,9 @@ defmodule Pleroma.Web.ActivityPub.Utils do List.update_at( reactions, index, - fn [emoji, users] -> [emoji, List.delete(users, actor)] end + fn [emoji, users, url] -> [emoji, List.delete(users, actor), url] end ) - |> Enum.reject(fn [_, users] -> Enum.empty?(users) end) + |> Enum.reject(fn [_, users, _] -> Enum.empty?(users) end) end count = emoji_count(new_reactions) @@ -489,17 +519,37 @@ defmodule Pleroma.Web.ActivityPub.Utils do def get_latest_reaction(internal_activity_id, %{ap_id: ap_id}, emoji) do %{data: %{"object" => object_ap_id}} = Activity.get_by_id(internal_activity_id) + emoji = Pleroma.Emoji.maybe_quote(emoji) "EmojiReact" |> Activity.Queries.by_type() |> where(actor: ^ap_id) - |> where([activity], fragment("?->>'content' = ?", activity.data, ^emoji)) + |> custom_emoji_discriminator(emoji) |> Activity.Queries.by_object_id(object_ap_id) |> order_by([activity], fragment("? desc nulls last", activity.id)) |> limit(1) |> Repo.one() end + defp custom_emoji_discriminator(query, emoji) do + if String.contains?(emoji, "@") do + stripped = Pleroma.Emoji.stripped_name(emoji) + [name, domain] = String.split(stripped, "@") + domain_pattern = "%" <> domain <> "%" + emoji_pattern = Pleroma.Emoji.maybe_quote(name) + + query + |> where([activity], fragment("?->>'content' = ? + AND EXISTS ( + SELECT FROM jsonb_array_elements(?->'tag') elem + WHERE elem->>'id' ILIKE ? + )", activity.data, ^emoji_pattern, activity.data, ^domain_pattern)) + else + query + |> where([activity], fragment("?->>'content' = ?", activity.data, ^emoji)) + end + end + #### Announce-related helpers @doc """ |