From d5d7648789847b943caf339732aeeed11cd2728d Mon Sep 17 00:00:00 2001
From: kPherox <admin@mail.kr-kp.com>
Date: Wed, 1 Feb 2023 20:24:58 +0000
Subject: [PATCH 1/7] feat: build rel me tags with profile fields

---
 lib/pleroma/web/metadata/providers/rel_me.ex   | 18 +++++++++++++++---
 .../web/metadata/providers/rel_me_test.exs     | 15 ++++++++++++++-
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/lib/pleroma/web/metadata/providers/rel_me.ex b/lib/pleroma/web/metadata/providers/rel_me.ex
index f0bee85c8..e1890a050 100644
--- a/lib/pleroma/web/metadata/providers/rel_me.ex
+++ b/lib/pleroma/web/metadata/providers/rel_me.ex
@@ -8,12 +8,24 @@ defmodule Pleroma.Web.Metadata.Providers.RelMe do
 
   @impl Provider
   def build_tags(%{user: user}) do
-    bio_tree = Floki.parse_fragment!(user.bio)
+    profile_tree =
+      Floki.parse_fragment!(user.bio)
+      |> prepend_fields_tag(user.fields)
 
-    (Floki.attribute(bio_tree, "link[rel~=me]", "href") ++
-       Floki.attribute(bio_tree, "a[rel~=me]", "href"))
+    (Floki.attribute(profile_tree, "link[rel~=me]", "href") ++
+       Floki.attribute(profile_tree, "a[rel~=me]", "href"))
     |> Enum.map(fn link ->
       {:link, [rel: "me", href: link], []}
     end)
   end
+
+  defp prepend_fields_tag(bio_tree, fields) do
+    fields
+    |> Enum.reduce(bio_tree, fn %{"value" => v}, tree ->
+      case Floki.parse_fragment(v) do
+        {:ok, [a | _]} -> [a | tree]
+        _ -> tree
+      end
+    end)
+  end
 end
diff --git a/test/pleroma/web/metadata/providers/rel_me_test.exs b/test/pleroma/web/metadata/providers/rel_me_test.exs
index cce4f3607..b1177edb7 100644
--- a/test/pleroma/web/metadata/providers/rel_me_test.exs
+++ b/test/pleroma/web/metadata/providers/rel_me_test.exs
@@ -11,10 +11,23 @@ defmodule Pleroma.Web.Metadata.Providers.RelMeTest do
     bio =
       ~s(<a href="https://some-link.com">https://some-link.com</a> <a rel="me" href="https://another-link.com">https://another-link.com</a> <link href="http://some.com"> <link rel="me" href="http://some3.com">)
 
-    user = insert(:user, %{bio: bio})
+    fields = [
+      %{
+        "name" => "profile",
+        "value" => ~S(<a rel="me" href="http://profile.com">http://profile.com</a>)
+      },
+      %{
+        "name" => "like",
+        "value" => ~S(<a href="http://cofe.io">http://cofe.io</a>)
+      },
+      %{"name" => "foo", "value" => "bar"}
+    ]
+
+    user = insert(:user, %{bio: bio, fields: fields})
 
     assert RelMe.build_tags(%{user: user}) == [
              {:link, [rel: "me", href: "http://some3.com"], []},
+             {:link, [rel: "me", href: "http://profile.com"], []},
              {:link, [rel: "me", href: "https://another-link.com"], []}
            ]
   end

From 787e30c5fd2f54a07db1bad84ef20aa9a4a406ab Mon Sep 17 00:00:00 2001
From: floatingghost <hannah@coffee-and-dreams.uk>
Date: Sun, 4 Sep 2022 23:31:41 +0000
Subject: [PATCH 2/7] Allow reacting with remote emoji when they exist on the
 post (#200)

Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/200
---
 lib/pleroma/web/activity_pub/builder.ex       |  79 +++++++++-
 .../emoji_react_validator.ex                  |  55 +++++--
 lib/pleroma/web/activity_pub/utils.ex         |  70 ++++++--
 .../web/mastodon_api/views/status_view.ex     |  12 +-
 .../controllers/emoji_reaction_controller.ex  |  21 ++-
 .../pleroma_api/views/emoji_reaction_view.ex  |  18 ++-
 .../emoji_reaction_controller_test.exs        | 149 +++++++++++++++++-
 7 files changed, 363 insertions(+), 41 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 """
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index 0a8c98b44..95efd9fd0 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -340,8 +340,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
         opts[:for],
         Map.get(opts, :with_muted, false)
       )
-      |> Stream.map(fn {emoji, users} ->
-        build_emoji_map(emoji, users, opts[:for])
+      |> Stream.map(fn {emoji, users, url} ->
+        build_emoji_map(emoji, users, url, opts[:for])
       end)
       |> Enum.to_list()
 
@@ -702,11 +702,13 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end
   end
 
-  defp build_emoji_map(emoji, users, current_user) do
+  defp build_emoji_map(emoji, users, url, current_user) do
     %{
-      name: emoji,
+      name: Pleroma.Web.PleromaAPI.EmojiReactionView.emoji_name(emoji, url),
       count: length(users),
-      me: !!(current_user && current_user.ap_id in users)
+      url: MediaProxy.url(url),
+      me: !!(current_user && current_user.ap_id in users),
+      account_ids: Enum.map(users, fn user -> User.get_cached_by_ap_id(user).id end)
     }
   end
 
diff --git a/lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex b/lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex
index 78fd0b219..e095fa04a 100644
--- a/lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex
@@ -50,29 +50,35 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionController do
           if not with_muted, do: User.cached_muted_users_ap_ids(user), else: []
       end
 
-    filter_emoji = fn emoji, users ->
+    filter_emoji = fn emoji, users, url ->
       case Enum.reject(users, &(&1 in exclude_ap_ids)) do
         [] -> nil
-        users -> {emoji, users}
+        users -> {emoji, users, url}
       end
     end
 
     reactions
     |> Stream.map(fn
-      [emoji, users] when is_list(users) -> filter_emoji.(emoji, users)
-      {emoji, users} when is_list(users) -> filter_emoji.(emoji, users)
+      [emoji, users, url] when is_list(users) -> filter_emoji.(emoji, users, url)
+      {emoji, users, url} when is_list(users) -> filter_emoji.(emoji, users, url)
+      {emoji, users} when is_list(users) -> filter_emoji.(emoji, users, nil)
       _ -> nil
     end)
     |> Stream.reject(&is_nil/1)
   end
 
   defp filter(reactions, %{emoji: emoji}) when is_binary(emoji) do
-    Enum.filter(reactions, fn [e, _] -> e == emoji end)
+    Enum.filter(reactions, fn [e, _, _] -> e == emoji end)
   end
 
   defp filter(reactions, _), do: reactions
 
   def create(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) do
+    emoji =
+      emoji
+      |> Pleroma.Emoji.fully_qualify_emoji()
+      |> Pleroma.Emoji.maybe_quote()
+
     with {:ok, _activity} <- CommonAPI.react_with_emoji(activity_id, user, emoji) do
       activity = Activity.get_by_id(activity_id)
 
@@ -83,6 +89,11 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionController do
   end
 
   def delete(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) do
+    emoji =
+      emoji
+      |> Pleroma.Emoji.fully_qualify_emoji()
+      |> Pleroma.Emoji.maybe_quote()
+
     with {:ok, _activity} <- CommonAPI.unreact_with_emoji(activity_id, user, emoji) do
       activity = Activity.get_by_id(activity_id)
 
diff --git a/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex b/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
index 68ebd8292..67db1a5ad 100644
--- a/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
+++ b/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
@@ -7,17 +7,31 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionView do
 
   alias Pleroma.Web.MastodonAPI.AccountView
 
+  def emoji_name(emoji, nil), do: emoji
+  alias Pleroma.Web.MediaProxy
+
+  def emoji_name(emoji, url) do
+    url = URI.parse(url)
+
+    if url.host == Pleroma.Web.Endpoint.host() do
+      emoji
+    else
+      "#{emoji}@#{url.host}"
+    end
+  end
+
   def render("index.json", %{emoji_reactions: emoji_reactions} = opts) do
     render_many(emoji_reactions, __MODULE__, "show.json", opts)
   end
 
-  def render("show.json", %{emoji_reaction: {emoji, user_ap_ids}, user: user}) do
+  def render("show.json", %{emoji_reaction: {emoji, user_ap_ids, url}, user: user}) do
     users = fetch_users(user_ap_ids)
 
     %{
-      name: emoji,
+      name: emoji_name(emoji, url),
       count: length(users),
       accounts: render(AccountView, "index.json", users: users, for: user),
+      url: MediaProxy.url(url),
       me: !!(user && user.ap_id in user_ap_ids)
     }
   end
diff --git a/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs b/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
index 77c75b560..6af68cb52 100644
--- a/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
+++ b/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
@@ -17,23 +17,101 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionControllerTest do
     user = insert(:user)
     other_user = insert(:user)
 
-    {:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
+    note = insert(:note, user: user, data: %{"reactions" => [["👍", [other_user.ap_id], nil]]})
+    activity = insert(:note_activity, note: note, user: user)
 
     result =
       conn
       |> assign(:user, other_user)
       |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
-      |> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/☕")
+      |> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/\u26A0")
       |> json_response_and_validate_schema(200)
 
-    # We return the status, but this our implementation detail.
     assert %{"id" => id} = result
     assert to_string(activity.id) == id
 
     assert result["pleroma"]["emoji_reactions"] == [
-             %{"name" => "☕", "count" => 1, "me" => true}
+             %{
+               "name" => "👍",
+               "count" => 1,
+               "me" => true,
+               "url" => nil,
+               "account_ids" => [other_user.id]
+             },
+             %{
+               "name" => "\u26A0\uFE0F",
+               "count" => 1,
+               "me" => true,
+               "url" => nil,
+               "account_ids" => [other_user.id]
+             }
            ]
 
+    {:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
+
+    ObanHelpers.perform_all()
+
+    # Reacting with a custom emoji
+    result =
+      conn
+      |> assign(:user, other_user)
+      |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
+      |> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/:dinosaur:")
+      |> json_response_and_validate_schema(200)
+
+    assert %{"id" => id} = result
+    assert to_string(activity.id) == id
+
+    assert result["pleroma"]["emoji_reactions"] == [
+             %{
+               "name" => "dinosaur",
+               "count" => 1,
+               "me" => true,
+               "url" => "http://localhost:4001/emoji/dino walking.gif",
+               "account_ids" => [other_user.id]
+             }
+           ]
+
+    # Reacting with a remote emoji
+    note =
+      insert(:note,
+        user: user,
+        data: %{"reactions" => [["wow", [other_user.ap_id], "https://remote/emoji/wow"]]}
+      )
+
+    activity = insert(:note_activity, note: note, user: user)
+
+    result =
+      conn
+      |> assign(:user, user)
+      |> assign(:token, insert(:oauth_token, user: user, scopes: ["write:statuses"]))
+      |> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/:wow@remote:")
+      |> json_response(200)
+
+    assert result["pleroma"]["emoji_reactions"] == [
+             %{
+               "name" => "wow@remote",
+               "count" => 2,
+               "me" => true,
+               "url" => "https://remote/emoji/wow",
+               "account_ids" => [user.id, other_user.id]
+             }
+           ]
+
+    # Reacting with a remote custom emoji that hasn't been reacted with yet
+    note =
+      insert(:note,
+        user: user
+      )
+
+    activity = insert(:note_activity, note: note, user: user)
+
+    assert conn
+           |> assign(:user, user)
+           |> assign(:token, insert(:oauth_token, user: user, scopes: ["write:statuses"]))
+           |> put("/api/v1/pleroma/statuses/#{activity.id}/reactions/:wow@remote:")
+           |> json_response(400)
+
     # Reacting with a non-emoji
     assert conn
            |> assign(:user, other_user)
@@ -46,8 +124,21 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionControllerTest do
     user = insert(:user)
     other_user = insert(:user)
 
-    {:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
+    note =
+      insert(:note,
+        user: user,
+        data: %{"reactions" => [["wow", [user.ap_id], "https://remote/emoji/wow"]]}
+      )
+
+    activity = insert(:note_activity, note: note, user: user)
+
+    ObanHelpers.perform_all()
+
     {:ok, _reaction_activity} = CommonAPI.react_with_emoji(activity.id, other_user, "☕")
+    {:ok, _reaction_activity} = CommonAPI.react_with_emoji(activity.id, other_user, ":dinosaur:")
+
+    {:ok, _reaction_activity} =
+      CommonAPI.react_with_emoji(activity.id, other_user, ":wow@remote:")
 
     ObanHelpers.perform_all()
 
@@ -60,11 +151,47 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionControllerTest do
     assert %{"id" => id} = json_response_and_validate_schema(result, 200)
     assert to_string(activity.id) == id
 
+    # Remove custom emoji
+
+    result =
+      conn
+      |> assign(:user, other_user)
+      |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
+      |> delete("/api/v1/pleroma/statuses/#{activity.id}/reactions/:dinosaur:")
+
+    assert %{"id" => id} = json_response_and_validate_schema(result, 200)
+    assert to_string(activity.id) == id
+
     ObanHelpers.perform_all()
 
     object = Object.get_by_ap_id(activity.data["object"])
 
-    assert object.data["reaction_count"] == 0
+    assert object.data["reaction_count"] == 2
+
+    # Remove custom remote emoji
+    result =
+      conn
+      |> assign(:user, other_user)
+      |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
+      |> delete("/api/v1/pleroma/statuses/#{activity.id}/reactions/:wow@remote:")
+      |> json_response(200)
+
+    assert result["pleroma"]["emoji_reactions"] == [
+             %{
+               "name" => "wow@remote",
+               "count" => 1,
+               "me" => false,
+               "url" => "https://remote/emoji/wow",
+               "account_ids" => [user.id]
+             }
+           ]
+
+    # Remove custom remote emoji that hasn't been reacted with yet
+    assert conn
+           |> assign(:user, other_user)
+           |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["write:statuses"]))
+           |> delete("/api/v1/pleroma/statuses/#{activity.id}/reactions/:zoop@remote:")
+           |> json_response(400)
   end
 
   test "GET /api/v1/pleroma/statuses/:id/reactions", %{conn: conn} do
@@ -181,7 +308,15 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionControllerTest do
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, other_user, "🎅")
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, other_user, "☕")
 
-    assert [%{"name" => "🎅", "count" => 1, "accounts" => [represented_user], "me" => false}] =
+    assert [
+             %{
+               "name" => "🎅",
+               "count" => 1,
+               "accounts" => [represented_user],
+               "me" => false,
+               "url" => nil
+             }
+           ] =
              conn
              |> get("/api/v1/pleroma/statuses/#{activity.id}/reactions/🎅")
              |> json_response_and_validate_schema(200)

From 4b85d1c617e0d3d482dffe59e43c69d717d5a13f Mon Sep 17 00:00:00 2001
From: Alexander Tumin <iamtakingiteasy@eientei.org>
Date: Sun, 18 Dec 2022 21:52:19 +0300
Subject: [PATCH 3/7] Allow custom emoji reactions: Fix tests, mixed custom and
 unicode reactions

---
 lib/pleroma/emoji.ex                          | 54 +++++++++++++++++
 lib/pleroma/web/activity_pub/builder.ex       |  6 +-
 .../object_validators/common_fields.ex        |  7 +++
 .../mastodon_api/views/notification_view.ex   |  5 +-
 test/fixtures/custom-emoji-reaction.json      | 28 +++++++++
 .../emoji_react_handling_test.exs             | 60 ++++++++++++++++++-
 .../web/activity_pub/side_effects_test.exs    |  2 +-
 .../emoji_react_handling_test.exs             | 53 +++++++++++++++-
 .../views/notification_view_test.exs          |  3 +-
 .../mastodon_api/views/status_view_test.exs   | 42 +++++++++----
 10 files changed, 240 insertions(+), 20 deletions(-)
 create mode 100644 test/fixtures/custom-emoji-reaction.json

diff --git a/lib/pleroma/emoji.ex b/lib/pleroma/emoji.ex
index dd65d56ae..749b4f4ca 100644
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@@ -51,6 +51,15 @@ defmodule Pleroma.Emoji do
   @doc "Returns the path of the emoji `name`."
   @spec get(String.t()) :: String.t() | nil
   def get(name) do
+    name =
+      if String.starts_with?(name, ":") do
+        name
+        |> String.replace_leading(":", "")
+        |> String.replace_trailing(":", "")
+      else
+        name
+      end
+
     case :ets.lookup(@ets, name) do
       [{_, path}] -> path
       _ -> nil
@@ -139,6 +148,51 @@ defmodule Pleroma.Emoji do
 
   def is_unicode_emoji?(_), do: false
 
+  def stripped_name(name) when is_binary(name) do
+    name
+    |> String.replace_leading(":", "")
+    |> String.replace_trailing(":", "")
+  end
+
+  def stripped_name(name), do: name
+
+  def maybe_quote(name) when is_binary(name) do
+    if is_unicode_emoji?(name) do
+      name
+    else
+      if String.starts_with?(name, ":") do
+        name
+      else
+        ":#{name}:"
+      end
+    end
+  end
+
+  def maybe_quote(name), do: name
+
+  def emoji_url(%{"type" => "EmojiReact", "content" => _, "tag" => []}), do: nil
+
+  def emoji_url(%{"type" => "EmojiReact", "content" => emoji, "tag" => tags}) do
+    tag =
+      tags
+      |> Enum.find(fn tag -> tag["type"] == "Emoji" && tag["name"] == stripped_name(emoji) end)
+
+    if is_nil(tag) do
+      nil
+    else
+      tag
+      |> Map.get("icon")
+      |> Map.get("url")
+    end
+  end
+
+  def emoji_url(_), do: nil
+
+  def emoji_name_with_instance(name, url) do
+    url = url |> URI.parse() |> Map.get(:host)
+    "#{name}@#{url}"
+  end
+
   emoji_qualification_map =
     emojis
     |> Enum.filter(&String.contains?(&1, "\uFE0F"))
diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex
index 4681b3dc9..9553bde23 100644
--- a/lib/pleroma/web/activity_pub/builder.ex
+++ b/lib/pleroma/web/activity_pub/builder.ex
@@ -90,8 +90,10 @@ defmodule Pleroma.Web.ActivityPub.Builder do
       Enum.find(
         existing_reactions,
         fn [name, _, url] ->
-          url = URI.parse(url)
-          url.host == instance && name == emoji_code
+          if url != nil do
+            url = URI.parse(url)
+            url.host == instance && name == emoji_code
+          end
         end
       )
 
diff --git a/lib/pleroma/web/activity_pub/object_validators/common_fields.ex b/lib/pleroma/web/activity_pub/object_validators/common_fields.ex
index 7b60c139a..904fdeced 100644
--- a/lib/pleroma/web/activity_pub/object_validators/common_fields.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/common_fields.ex
@@ -58,10 +58,17 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFields do
       field(:like_count, :integer, default: 0)
       field(:announcement_count, :integer, default: 0)
       field(:inReplyTo, ObjectValidators.ObjectID)
+      field(:quoteUri, ObjectValidators.ObjectID)
       field(:url, ObjectValidators.Uri)
 
       field(:likes, {:array, ObjectValidators.ObjectID}, default: [])
       field(:announcements, {:array, ObjectValidators.ObjectID}, default: [])
     end
   end
+
+  defmacro tag_fields do
+    quote bind_quoted: binding() do
+      embeds_many(:tag, TagValidator)
+    end
+  end
 end
diff --git a/lib/pleroma/web/mastodon_api/views/notification_view.ex b/lib/pleroma/web/mastodon_api/views/notification_view.ex
index b5b5b2376..314246d3e 100644
--- a/lib/pleroma/web/mastodon_api/views/notification_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/notification_view.ex
@@ -14,6 +14,7 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
   alias Pleroma.Web.AdminAPI.Report
   alias Pleroma.Web.AdminAPI.ReportView
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.MediaProxy
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.NotificationView
   alias Pleroma.Web.MastodonAPI.StatusView
@@ -145,7 +146,9 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
   end
 
   defp put_emoji(response, activity) do
-    Map.put(response, :emoji, activity.data["content"])
+    response
+    |> Map.put(:emoji, activity.data["content"])
+    |> Map.put(:emoji_url, MediaProxy.url(Pleroma.Emoji.emoji_url(activity.data)))
   end
 
   defp put_chat_message(response, activity, reading_user, opts) do
diff --git a/test/fixtures/custom-emoji-reaction.json b/test/fixtures/custom-emoji-reaction.json
new file mode 100644
index 000000000..003de0511
--- /dev/null
+++ b/test/fixtures/custom-emoji-reaction.json
@@ -0,0 +1,28 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    "https://w3id.org/security/v1",
+    {
+      "Hashtag": "as:Hashtag"
+    }
+  ],
+  "type": "Like",
+  "id": "https://misskey.local.live/likes/917ocsybgp",
+  "actor": "https://misskey.local.live/users/8x8yep20u2",
+  "object": "https://pleroma.local.live/objects/89937a53-2692-4631-bb62-770091267391",
+  "content": ":hanapog:",
+  "_misskey_reaction": ":hanapog:",
+  "tag": [
+    {
+      "id": "https://misskey.local.live/emojis/hanapog",
+      "type": "Emoji",
+      "name": ":hanapog:",
+      "updated": "2022-06-07T12:00:05.773Z",
+      "icon": {
+        "type": "Image",
+        "mediaType": "image/png",
+        "url": "https://misskey.local.live/files/webpublic-8f8a9768-7264-4171-88d6-2356aabeadcd"
+      }
+    }
+  ]
+}
diff --git a/test/pleroma/web/activity_pub/object_validators/emoji_react_handling_test.exs b/test/pleroma/web/activity_pub/object_validators/emoji_react_handling_test.exs
index bbdb09c4c..9bb291a38 100644
--- a/test/pleroma/web/activity_pub/object_validators/emoji_react_handling_test.exs
+++ b/test/pleroma/web/activity_pub/object_validators/emoji_react_handling_test.exs
@@ -38,16 +38,70 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactHandlingTest do
       assert {:content, {"can't be blank", [validation: :required]}} in cng.errors
     end
 
-    test "it is not valid with a non-emoji content field", %{valid_emoji_react: valid_emoji_react} do
+    test "it is valid when custom emoji is used", %{valid_emoji_react: valid_emoji_react} do
       without_emoji_content =
         valid_emoji_react
-        |> Map.put("content", "x")
+        |> Map.put("content", ":hello:")
+        |> Map.put("tag", [
+          %{
+            "type" => "Emoji",
+            "name" => ":hello:",
+            "icon" => %{"url" => "http://somewhere", "type" => "Image"}
+          }
+        ])
+
+      {:ok, _, _} = ObjectValidator.validate(without_emoji_content, [])
+    end
+
+    test "it is not valid when custom emoji don't have a matching tag", %{
+      valid_emoji_react: valid_emoji_react
+    } do
+      without_emoji_content =
+        valid_emoji_react
+        |> Map.put("content", ":hello:")
+        |> Map.put("tag", [
+          %{
+            "type" => "Emoji",
+            "name" => ":whoops:",
+            "icon" => %{"url" => "http://somewhere", "type" => "Image"}
+          }
+        ])
 
       {:error, cng} = ObjectValidator.validate(without_emoji_content, [])
 
       refute cng.valid?
 
-      assert {:content, {"must be a single character emoji", []}} in cng.errors
+      assert {:tag, {"does not contain an Emoji tag", []}} in cng.errors
+    end
+
+    test "it is not valid when custom emoji have no tags", %{
+      valid_emoji_react: valid_emoji_react
+    } do
+      without_emoji_content =
+        valid_emoji_react
+        |> Map.put("content", ":hello:")
+        |> Map.put("tag", [])
+
+      {:error, cng} = ObjectValidator.validate(without_emoji_content, [])
+
+      refute cng.valid?
+
+      assert {:tag, {"does not contain an Emoji tag", []}} in cng.errors
+    end
+
+    test "it is not valid when custom emoji doesn't match a shortcode format", %{
+      valid_emoji_react: valid_emoji_react
+    } do
+      without_emoji_content =
+        valid_emoji_react
+        |> Map.put("content", "hello")
+        |> Map.put("tag", [])
+
+      {:error, cng} = ObjectValidator.validate(without_emoji_content, [])
+
+      refute cng.valid?
+
+      assert {:tag, {"does not contain an Emoji tag", []}} in cng.errors
     end
   end
 end
diff --git a/test/pleroma/web/activity_pub/side_effects_test.exs b/test/pleroma/web/activity_pub/side_effects_test.exs
index b24831e85..6820e23d0 100644
--- a/test/pleroma/web/activity_pub/side_effects_test.exs
+++ b/test/pleroma/web/activity_pub/side_effects_test.exs
@@ -453,7 +453,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
       object = Object.get_by_ap_id(emoji_react.data["object"])
 
       assert object.data["reaction_count"] == 1
-      assert ["👌", [user.ap_id]] in object.data["reactions"]
+      assert ["👌", [user.ap_id], nil] in object.data["reactions"]
     end
 
     test "creates a notification", %{emoji_react: emoji_react, poster: poster} do
diff --git a/test/pleroma/web/activity_pub/transmogrifier/emoji_react_handling_test.exs b/test/pleroma/web/activity_pub/transmogrifier/emoji_react_handling_test.exs
index 83bf59c6f..f2e1cefa3 100644
--- a/test/pleroma/web/activity_pub/transmogrifier/emoji_react_handling_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier/emoji_react_handling_test.exs
@@ -34,7 +34,56 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier.EmojiReactHandlingTest do
     object = Object.get_by_ap_id(data["object"])
 
     assert object.data["reaction_count"] == 1
-    assert match?([["👌", _]], object.data["reactions"])
+    assert match?([["👌", _, nil]], object.data["reactions"])
+  end
+
+  test "it works for incoming custom emoji reactions" do
+    user = insert(:user)
+    other_user = insert(:user, local: false)
+    {:ok, activity} = CommonAPI.post(user, %{status: "hello"})
+
+    data =
+      File.read!("test/fixtures/custom-emoji-reaction.json")
+      |> Jason.decode!()
+      |> Map.put("object", activity.data["object"])
+      |> Map.put("actor", other_user.ap_id)
+
+    {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+    assert data["actor"] == other_user.ap_id
+    assert data["type"] == "EmojiReact"
+    assert data["id"] == "https://misskey.local.live/likes/917ocsybgp"
+    assert data["object"] == activity.data["object"]
+    assert data["content"] == ":hanapog:"
+
+    assert data["tag"] == [
+             %{
+               "id" => "https://misskey.local.live/emojis/hanapog",
+               "type" => "Emoji",
+               "name" => "hanapog",
+               "updated" => "2022-06-07T12:00:05.773Z",
+               "icon" => %{
+                 "type" => "Image",
+                 "url" =>
+                   "https://misskey.local.live/files/webpublic-8f8a9768-7264-4171-88d6-2356aabeadcd"
+               }
+             }
+           ]
+
+    object = Object.get_by_ap_id(data["object"])
+
+    assert object.data["reaction_count"] == 1
+
+    assert match?(
+             [
+               [
+                 "hanapog",
+                 _,
+                 "https://misskey.local.live/files/webpublic-8f8a9768-7264-4171-88d6-2356aabeadcd"
+               ]
+             ],
+             object.data["reactions"]
+           )
   end
 
   test "it works for incoming unqualified emoji reactions" do
@@ -65,7 +114,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier.EmojiReactHandlingTest do
     object = Object.get_by_ap_id(data["object"])
 
     assert object.data["reaction_count"] == 1
-    assert match?([[^emoji, _]], object.data["reactions"])
+    assert match?([[^emoji, _, _]], object.data["reactions"])
   end
 
   test "it reject invalid emoji reactions" do
diff --git a/test/pleroma/web/mastodon_api/views/notification_view_test.exs b/test/pleroma/web/mastodon_api/views/notification_view_test.exs
index 6ea894691..e52985f8d 100644
--- a/test/pleroma/web/mastodon_api/views/notification_view_test.exs
+++ b/test/pleroma/web/mastodon_api/views/notification_view_test.exs
@@ -190,7 +190,8 @@ defmodule Pleroma.Web.MastodonAPI.NotificationViewTest do
       emoji: "☕",
       account: AccountView.render("show.json", %{user: other_user, for: user}),
       status: StatusView.render("show.json", %{activity: activity, for: user}),
-      created_at: Utils.to_masto_date(notification.inserted_at)
+      created_at: Utils.to_masto_date(notification.inserted_at),
+      emoji_url: nil
     }
 
     test_notifications_rendering([notification], user, [expected])
diff --git a/test/pleroma/web/mastodon_api/views/status_view_test.exs b/test/pleroma/web/mastodon_api/views/status_view_test.exs
index f76b115b7..a1f3e3e1d 100644
--- a/test/pleroma/web/mastodon_api/views/status_view_test.exs
+++ b/test/pleroma/web/mastodon_api/views/status_view_test.exs
@@ -35,16 +35,26 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     {:ok, activity} = CommonAPI.post(user, %{status: "dae cofe??"})
 
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, user, "☕")
+    {:ok, _} = CommonAPI.react_with_emoji(activity.id, user, ":dinosaur:")
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, third_user, "🍵")
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, other_user, "☕")
+    {:ok, _} = CommonAPI.react_with_emoji(activity.id, other_user, ":dinosaur:")
+
     activity = Repo.get(Activity, activity.id)
     status = StatusView.render("show.json", activity: activity)
 
     assert_schema(status, "Status", Pleroma.Web.ApiSpec.spec())
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 2, me: false},
-             %{name: "🍵", count: 1, me: false}
+             %{name: "☕", count: 2, me: false, url: nil, account_ids: [other_user.id, user.id]},
+             %{
+               count: 2,
+               me: false,
+               name: "dinosaur",
+               url: "http://localhost:4001/emoji/dino walking.gif",
+               account_ids: [other_user.id, user.id]
+             },
+             %{name: "🍵", count: 1, me: false, url: nil, account_ids: [third_user.id]}
            ]
 
     status = StatusView.render("show.json", activity: activity, for: user)
@@ -52,8 +62,15 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     assert_schema(status, "Status", Pleroma.Web.ApiSpec.spec())
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 2, me: true},
-             %{name: "🍵", count: 1, me: false}
+             %{name: "☕", count: 2, me: true, url: nil, account_ids: [other_user.id, user.id]},
+             %{
+               count: 2,
+               me: true,
+               name: "dinosaur",
+               url: "http://localhost:4001/emoji/dino walking.gif",
+               account_ids: [other_user.id, user.id]
+             },
+             %{name: "🍵", count: 1, me: false, url: nil, account_ids: [third_user.id]}
            ]
   end
 
@@ -66,11 +83,10 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     |> Object.update_data(%{"reactions" => %{"☕" => [user.ap_id], "x" => 1}})
 
     activity = Activity.get_by_id(activity.id)
-
     status = StatusView.render("show.json", activity: activity, for: user)
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 1, me: true}
+             %{name: "☕", count: 1, me: true, url: nil, account_ids: [user.id]}
            ]
   end
 
@@ -90,7 +106,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     status = StatusView.render("show.json", activity: activity)
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 1, me: false}
+             %{name: "☕", count: 1, me: false, url: nil, account_ids: [other_user.id]}
            ]
 
     status = StatusView.render("show.json", activity: activity, for: user)
@@ -102,19 +118,25 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     status = StatusView.render("show.json", activity: activity)
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 2, me: false}
+             %{
+               name: "☕",
+               count: 2,
+               me: false,
+               url: nil,
+               account_ids: [third_user.id, other_user.id]
+             }
            ]
 
     status = StatusView.render("show.json", activity: activity, for: user)
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 1, me: false}
+             %{name: "☕", count: 1, me: false, url: nil, account_ids: [third_user.id]}
            ]
 
     status = StatusView.render("show.json", activity: activity, for: other_user)
 
     assert status[:pleroma][:emoji_reactions] == [
-             %{name: "☕", count: 1, me: true}
+             %{name: "☕", count: 1, me: true, url: nil, account_ids: [other_user.id]}
            ]
   end
 

From 8d3b29aaba1a1879c9495ae15178b6e16ffc5faf Mon Sep 17 00:00:00 2001
From: Alexander Tumin <iamtakingiteasy@eientei.org>
Date: Wed, 4 Jan 2023 21:13:51 +0300
Subject: [PATCH 4/7] Allow custom emoji reactions: add test for mixed emoji
 react, fix credo errors

---
 .../web/mastodon_api/views/notification_view.ex    |  2 +-
 .../controllers/emoji_reaction_controller_test.exs | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/web/mastodon_api/views/notification_view.ex b/lib/pleroma/web/mastodon_api/views/notification_view.ex
index 314246d3e..2a51f3755 100644
--- a/lib/pleroma/web/mastodon_api/views/notification_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/notification_view.ex
@@ -14,10 +14,10 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
   alias Pleroma.Web.AdminAPI.Report
   alias Pleroma.Web.AdminAPI.ReportView
   alias Pleroma.Web.CommonAPI
-  alias Pleroma.Web.MediaProxy
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.NotificationView
   alias Pleroma.Web.MastodonAPI.StatusView
+  alias Pleroma.Web.MediaProxy
   alias Pleroma.Web.PleromaAPI.Chat.MessageReferenceView
 
   defp object_id_for(%{data: %{"object" => %{"id" => id}}}) when is_binary(id), do: id
diff --git a/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs b/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
index 6af68cb52..d81b47a6b 100644
--- a/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
+++ b/test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs
@@ -76,7 +76,12 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionControllerTest do
     note =
       insert(:note,
         user: user,
-        data: %{"reactions" => [["wow", [other_user.ap_id], "https://remote/emoji/wow"]]}
+        data: %{
+          "reactions" => [
+            ["👍", [other_user.ap_id], nil],
+            ["wow", [other_user.ap_id], "https://remote/emoji/wow"]
+          ]
+        }
       )
 
     activity = insert(:note_activity, note: note, user: user)
@@ -89,6 +94,13 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionControllerTest do
       |> json_response(200)
 
     assert result["pleroma"]["emoji_reactions"] == [
+             %{
+               "account_ids" => [other_user.id],
+               "count" => 1,
+               "me" => false,
+               "name" => "👍",
+               "url" => nil
+             },
              %{
                "name" => "wow@remote",
                "count" => 2,

From 8e072baed0744c8e4e29f54c608f3f29abb4fba8 Mon Sep 17 00:00:00 2001
From: "Haelwenn (lanodan) Monnier" <contact@hacktivis.me>
Date: Sun, 5 Mar 2023 08:41:15 +0100
Subject: [PATCH 5/7] docs: Be more explicit about the level of compatibility
 of OTP releases

---
 docs/installation/otp_en.md | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/docs/installation/otp_en.md b/docs/installation/otp_en.md
index 8c02201e6..f2812346b 100644
--- a/docs/installation/otp_en.md
+++ b/docs/installation/otp_en.md
@@ -2,15 +2,16 @@
 
 {! backend/installation/otp_vs_from_source.include !}
 
-This guide covers a installation using an OTP release. To install Pleroma from source, please check out the corresponding guide for your distro.
+This guide covers a installation using OTP releases as built by the Pleroma project, it is meant as a fallback to distribution packages/recipes which are the preferred installation method.  
+To install Pleroma from source, please check out the corresponding guide for your distro.
 
 ## Pre-requisites
-* A machine running Linux with GNU (e.g. Debian, Ubuntu) or musl (e.g. Alpine) libc and `x86_64`, `aarch64` or `armv7l` CPU, you have root access to. If you are not sure if it's compatible see [Detecting flavour section](#detecting-flavour) below
+* A machine you have root access to running Debian GNU/Linux or compatible (eg. Ubuntu), or Alpine on `x86_64`, `aarch64` or `armv7l` CPU. If you are not sure what you are running see [Detecting flavour section](#detecting-flavour) below
 * A (sub)domain pointed to the machine
 
-You will be running commands as root. If you aren't root already, please elevate your privileges by executing `sudo su`/`su`.
+You will be running commands as root. If you aren't root already, please elevate your privileges by executing `sudo -i`/`su`.
 
-While in theory OTP releases are possbile to install on any compatible machine, for the sake of simplicity this guide focuses only on Debian/Ubuntu and Alpine.
+Similarly to other binaries, OTP releases tend to be only compatible with the distro they are built on, as such this guide focuses only on Debian/Ubuntu and Alpine.
 
 ### Detecting flavour
 
@@ -19,7 +20,7 @@ Paste the following into the shell:
 arch="$(uname -m)";if [ "$arch" = "x86_64" ];then arch="amd64";elif [ "$arch" = "armv7l" ];then arch="arm";elif [ "$arch" = "aarch64" ];then arch="arm64";else echo "Unsupported arch: $arch">&2;fi;if getconf GNU_LIBC_VERSION>/dev/null;then libc_postfix="";elif [ "$(ldd 2>&1|head -c 9)" = "musl libc" ];then libc_postfix="-musl";elif [ "$(find /lib/libc.musl*|wc -l)" ];then libc_postfix="-musl";else echo "Unsupported libc">&2;fi;echo "$arch$libc_postfix"
 ```
 
-If your platform is supported the output will contain the flavour string, you will need it later. If not, this just means that we don't build releases for your platform, you can still try installing from source.
+This should give your flavour string. If not this just means that we don't build releases for your platform, you can still try installing from source.
 
 ### Installing the required packages
 

From 2c2ea16b50a7b77b1d3f58722e45720dcf3c51b9 Mon Sep 17 00:00:00 2001
From: Alexander Tumin <iamtakingiteasy@eientei.org>
Date: Thu, 2 Mar 2023 10:09:13 +0300
Subject: [PATCH 6/7] Allow custom emoji reactions: Add
 pleroma_custom_emoji_reactions feature, review changes

---
 lib/pleroma/emoji.ex                          | 29 +++++++-------
 lib/pleroma/web/activity_pub/builder.ex       | 30 +++++++-------
 .../object_validators/common_fields.ex        |  7 ----
 .../emoji_react_validator.ex                  | 18 +++------
 lib/pleroma/web/activity_pub/utils.ex         | 16 ++++----
 .../web/mastodon_api/views/instance_view.ex   |  1 +
 .../pleroma_api/views/emoji_reaction_view.ex  |  3 +-
 .../views/notification_view_test.exs          | 39 +++++++++++++++++++
 8 files changed, 83 insertions(+), 60 deletions(-)

diff --git a/lib/pleroma/emoji.ex b/lib/pleroma/emoji.ex
index 749b4f4ca..43a3447c3 100644
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@@ -51,14 +51,7 @@ defmodule Pleroma.Emoji do
   @doc "Returns the path of the emoji `name`."
   @spec get(String.t()) :: String.t() | nil
   def get(name) do
-    name =
-      if String.starts_with?(name, ":") do
-        name
-        |> String.replace_leading(":", "")
-        |> String.replace_trailing(":", "")
-      else
-        name
-      end
+    name = maybe_strip_name(name)
 
     case :ets.lookup(@ets, name) do
       [{_, path}] -> path
@@ -148,13 +141,15 @@ defmodule Pleroma.Emoji do
 
   def is_unicode_emoji?(_), do: false
 
-  def stripped_name(name) when is_binary(name) do
-    name
-    |> String.replace_leading(":", "")
-    |> String.replace_trailing(":", "")
-  end
+  @emoji_regex ~r/:[A-Za-z0-9_-]+(@.+)?:/
 
-  def stripped_name(name), do: name
+  def is_custom_emoji?(s) when is_binary(s), do: Regex.match?(@emoji_regex, s)
+
+  def is_custom_emoji?(_), do: false
+
+  def maybe_strip_name(name) when is_binary(name), do: String.trim(name, ":")
+
+  def maybe_strip_name(name), do: name
 
   def maybe_quote(name) when is_binary(name) do
     if is_unicode_emoji?(name) do
@@ -173,9 +168,13 @@ defmodule Pleroma.Emoji do
   def emoji_url(%{"type" => "EmojiReact", "content" => _, "tag" => []}), do: nil
 
   def emoji_url(%{"type" => "EmojiReact", "content" => emoji, "tag" => tags}) do
+    emoji = maybe_strip_name(emoji)
+
     tag =
       tags
-      |> Enum.find(fn tag -> tag["type"] == "Emoji" && tag["name"] == stripped_name(emoji) end)
+      |> Enum.find(fn tag ->
+        tag["type"] == "Emoji" && !is_nil(tag["name"]) && tag["name"] == emoji
+      end)
 
     if is_nil(tag) do
       nil
diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex
index 9553bde23..8eab3a241 100644
--- a/lib/pleroma/web/activity_pub/builder.ex
+++ b/lib/pleroma/web/activity_pub/builder.ex
@@ -62,21 +62,22 @@ defmodule Pleroma.Web.ActivityPub.Builder do
   end
 
   defp add_emoji_content(data, emoji, url) do
+    tag = [
+      %{
+        "id" => url,
+        "type" => "Emoji",
+        "name" => Emoji.maybe_quote(emoji),
+        "icon" => %{
+          "type" => "Image",
+          "url" => url
+        }
+      }
+    ]
+
     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)
-      )
-    ])
+    |> Map.put("tag", tag)
   end
 
   defp remote_custom_emoji_react(
@@ -84,7 +85,7 @@ defmodule Pleroma.Web.ActivityPub.Builder do
          data,
          emoji
        ) do
-    [emoji_code, instance] = String.split(Emoji.stripped_name(emoji), "@")
+    [emoji_code, instance] = String.split(Emoji.maybe_strip_name(emoji), "@")
 
     matching_reaction =
       Enum.find(
@@ -110,8 +111,7 @@ defmodule Pleroma.Web.ActivityPub.Builder do
   end
 
   defp local_custom_emoji_react(data, emoji) do
-    with %{} = emojo <- Emoji.get(emoji) do
-      path = emojo |> Map.get(:file)
+    with %{file: path} = emojo <- Emoji.get(emoji) do
       url = "#{Endpoint.url()}#{path}"
       add_emoji_content(data, emojo.code, url)
     else
diff --git a/lib/pleroma/web/activity_pub/object_validators/common_fields.ex b/lib/pleroma/web/activity_pub/object_validators/common_fields.ex
index 904fdeced..7b60c139a 100644
--- a/lib/pleroma/web/activity_pub/object_validators/common_fields.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/common_fields.ex
@@ -58,17 +58,10 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFields do
       field(:like_count, :integer, default: 0)
       field(:announcement_count, :integer, default: 0)
       field(:inReplyTo, ObjectValidators.ObjectID)
-      field(:quoteUri, ObjectValidators.ObjectID)
       field(:url, ObjectValidators.Uri)
 
       field(:likes, {:array, ObjectValidators.ObjectID}, default: [])
       field(:announcements, {:array, ObjectValidators.ObjectID}, default: [])
     end
   end
-
-  defmacro tag_fields do
-    quote bind_quoted: binding() do
-      embeds_many(:tag, TagValidator)
-    end
-  end
 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 54efe5c42..a0b82b325 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
@@ -8,12 +8,12 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
   alias Pleroma.Emoji
   alias Pleroma.Object
   alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
+  alias Pleroma.Web.ActivityPub.ObjectValidators.TagValidator
 
   import Ecto.Changeset
   import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
 
   @primary_key false
-  @emoji_regex ~r/:[A-Za-z0-9_-]+(@.+)?:/
 
   embedded_schema do
     quote do
@@ -21,7 +21,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
         import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
         message_fields()
         activity_fields()
-        tag_fields()
+        embeds_many(:tag, TagValidator)
       end
     end
 
@@ -57,12 +57,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
       |> CommonFixes.fix_actor()
       |> CommonFixes.fix_activity_addressing()
 
-    data =
-      if Map.has_key?(data, "tag") do
-        data
-      else
-        Map.put(data, "tag", [])
-      end
+    data = Map.put_new(data, "tag", [])
 
     case Object.normalize(data["object"]) do
       %Object{} = object ->
@@ -92,13 +87,10 @@ 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 Emoji.is_unicode_emoji?(content) || matches_shortcode?(content) do
+    if Emoji.is_unicode_emoji?(content) || Emoji.is_custom_emoji?(content) do
       cng
     else
       cng
@@ -113,7 +105,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
       cng
     else
       tag = get_field(cng, :tag)
-      emoji_name = Emoji.stripped_name(content)
+      emoji_name = Emoji.maybe_strip_name(content)
 
       case tag do
         [%{name: ^emoji_name, type: "Emoji", icon: %{url: _}}] ->
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 11f1b95c5..db7f79dac 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -329,8 +329,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
         object
       ) do
     reactions = get_cached_emoji_reactions(object)
-    emoji = Pleroma.Emoji.stripped_name(emoji)
-    url = emoji_url(emoji, activity)
+    emoji = Pleroma.Emoji.maybe_strip_name(emoji)
+    url = maybe_emoji_url(emoji, activity)
 
     new_reactions =
       case Enum.find_index(reactions, fn [candidate, _, candidate_url] ->
@@ -356,7 +356,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     update_element_in_object("reaction", new_reactions, object, count)
   end
 
-  defp emoji_url(
+  defp maybe_emoji_url(
          name,
          %Activity{
            data: %{
@@ -368,7 +368,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
        ),
        do: url
 
-  defp emoji_url(_, _), do: nil
+  defp maybe_emoji_url(_, _), do: nil
 
   def emoji_count(reactions_list) do
     Enum.reduce(reactions_list, 0, fn [_, users, _], acc -> acc + length(users) end)
@@ -378,9 +378,9 @@ defmodule Pleroma.Web.ActivityPub.Utils do
         %Activity{data: %{"content" => emoji, "actor" => actor}} = activity,
         object
       ) do
-    emoji = Pleroma.Emoji.stripped_name(emoji)
+    emoji = Pleroma.Emoji.maybe_strip_name(emoji)
     reactions = get_cached_emoji_reactions(object)
-    url = emoji_url(emoji, activity)
+    url = maybe_emoji_url(emoji, activity)
 
     new_reactions =
       case Enum.find_index(reactions, fn [candidate, _, candidate_url] ->
@@ -533,9 +533,9 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   defp custom_emoji_discriminator(query, emoji) do
     if String.contains?(emoji, "@") do
-      stripped = Pleroma.Emoji.stripped_name(emoji)
+      stripped = Pleroma.Emoji.maybe_strip_name(emoji)
       [name, domain] = String.split(stripped, "@")
-      domain_pattern = "%" <> domain <> "%"
+      domain_pattern = "%/" <> domain <> "/%"
       emoji_pattern = Pleroma.Emoji.maybe_quote(name)
 
       query
diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index abf7f29ab..efd2a0af6 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -92,6 +92,7 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
         "safe_dm_mentions"
       end,
       "pleroma_emoji_reactions",
+      "pleroma_custom_emoji_reactions",
       "pleroma_chat_messages",
       if Config.get([:instance, :show_reactions]) do
         "exposable_reactions"
diff --git a/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex b/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
index 67db1a5ad..6df4ab9d0 100644
--- a/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
+++ b/lib/pleroma/web/pleroma_api/views/emoji_reaction_view.ex
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionView do
   alias Pleroma.Web.MastodonAPI.AccountView
 
   def emoji_name(emoji, nil), do: emoji
-  alias Pleroma.Web.MediaProxy
 
   def emoji_name(emoji, url) do
     url = URI.parse(url)
@@ -31,7 +30,7 @@ defmodule Pleroma.Web.PleromaAPI.EmojiReactionView do
       name: emoji_name(emoji, url),
       count: length(users),
       accounts: render(AccountView, "index.json", users: users, for: user),
-      url: MediaProxy.url(url),
+      url: Pleroma.Web.MediaProxy.url(url),
       me: !!(user && user.ap_id in user_ap_ids)
     }
   end
diff --git a/test/pleroma/web/mastodon_api/views/notification_view_test.exs b/test/pleroma/web/mastodon_api/views/notification_view_test.exs
index e52985f8d..ddbe4557f 100644
--- a/test/pleroma/web/mastodon_api/views/notification_view_test.exs
+++ b/test/pleroma/web/mastodon_api/views/notification_view_test.exs
@@ -197,6 +197,45 @@ defmodule Pleroma.Web.MastodonAPI.NotificationViewTest do
     test_notifications_rendering([notification], user, [expected])
   end
 
+  test "EmojiReact custom emoji notification" do
+    user = insert(:user)
+    other_user = insert(:user)
+
+    note =
+      insert(:note,
+        user: user,
+        data: %{
+          "reactions" => [
+            ["👍", [user.ap_id], nil],
+            ["dinosaur", [user.ap_id], "http://localhost:4001/emoji/dino walking.gif"]
+          ]
+        }
+      )
+
+    activity = insert(:note_activity, note: note, user: user)
+
+    {:ok, _activity} = CommonAPI.react_with_emoji(activity.id, other_user, "dinosaur")
+
+    activity = Repo.get(Activity, activity.id)
+
+    [notification] = Notification.for_user(user)
+
+    assert notification
+
+    expected = %{
+      id: to_string(notification.id),
+      pleroma: %{is_seen: false, is_muted: false},
+      type: "pleroma:emoji_reaction",
+      emoji: ":dinosaur:",
+      account: AccountView.render("show.json", %{user: other_user, for: user}),
+      status: StatusView.render("show.json", %{activity: activity, for: user}),
+      created_at: Utils.to_masto_date(notification.inserted_at),
+      emoji_url: "http://localhost:4001/emoji/dino walking.gif"
+    }
+
+    test_notifications_rendering([notification], user, [expected])
+  end
+
   test "Poll notification" do
     user = insert(:user)
     activity = insert(:question_activity, user: user)

From 83c7415803774a4c56c718f5ebed2b9714ffdfcf Mon Sep 17 00:00:00 2001
From: kPherox <admin@mail.kr-kp.com>
Date: Wed, 15 Mar 2023 23:55:24 +0900
Subject: [PATCH 7/7] fix: append field values to bio before parsing

---
 lib/pleroma/web/metadata/providers/rel_me.ex       | 14 +++++---------
 .../pleroma/web/metadata/providers/rel_me_test.exs |  4 ++--
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/lib/pleroma/web/metadata/providers/rel_me.ex b/lib/pleroma/web/metadata/providers/rel_me.ex
index e1890a050..eabd8cb00 100644
--- a/lib/pleroma/web/metadata/providers/rel_me.ex
+++ b/lib/pleroma/web/metadata/providers/rel_me.ex
@@ -9,8 +9,9 @@ defmodule Pleroma.Web.Metadata.Providers.RelMe do
   @impl Provider
   def build_tags(%{user: user}) do
     profile_tree =
-      Floki.parse_fragment!(user.bio)
-      |> prepend_fields_tag(user.fields)
+      user.bio
+      |> append_fields_tag(user.fields)
+      |> Floki.parse_fragment!()
 
     (Floki.attribute(profile_tree, "link[rel~=me]", "href") ++
        Floki.attribute(profile_tree, "a[rel~=me]", "href"))
@@ -19,13 +20,8 @@ defmodule Pleroma.Web.Metadata.Providers.RelMe do
     end)
   end
 
-  defp prepend_fields_tag(bio_tree, fields) do
+  defp append_fields_tag(bio, fields) do
     fields
-    |> Enum.reduce(bio_tree, fn %{"value" => v}, tree ->
-      case Floki.parse_fragment(v) do
-        {:ok, [a | _]} -> [a | tree]
-        _ -> tree
-      end
-    end)
+    |> Enum.reduce(bio, fn %{"value" => v}, res -> res <> v end)
   end
 end
diff --git a/test/pleroma/web/metadata/providers/rel_me_test.exs b/test/pleroma/web/metadata/providers/rel_me_test.exs
index b1177edb7..793669037 100644
--- a/test/pleroma/web/metadata/providers/rel_me_test.exs
+++ b/test/pleroma/web/metadata/providers/rel_me_test.exs
@@ -27,8 +27,8 @@ defmodule Pleroma.Web.Metadata.Providers.RelMeTest do
 
     assert RelMe.build_tags(%{user: user}) == [
              {:link, [rel: "me", href: "http://some3.com"], []},
-             {:link, [rel: "me", href: "http://profile.com"], []},
-             {:link, [rel: "me", href: "https://another-link.com"], []}
+             {:link, [rel: "me", href: "https://another-link.com"], []},
+             {:link, [rel: "me", href: "http://profile.com"], []}
            ]
   end
 end