Merge branch 'develop' of git.pleroma.social:pleroma/pleroma into qdrant-search-2

lib/pleroma/application_requirements.ex

@@ -28,6 +28,7 @@ defmodule Pleroma.ApplicationRequirements do
     |> check_welcome_message_config!()
     |> check_rum!()
     |> check_repo_pool_size!()
+    |> check_mrfs()
     |> handle_result()
   end
 
@@ -234,4 +235,25 @@ defmodule Pleroma.ApplicationRequirements do
       true
     end
   end
+
+  defp check_mrfs(:ok) do
+    mrfs = Config.get!([:mrf, :policies])
+
+    missing_mrfs =
+      Enum.reduce(mrfs, [], fn x, acc ->
+        if Code.ensure_compiled(x) do
+          acc
+        else
+          acc ++ [x]
+        end
+      end)
+
+    if Enum.empty?(missing_mrfs) do
+      :ok
+    else
+      {:error, "The following MRF modules are configured but missing: #{inspect(missing_mrfs)}"}
+    end
+  end
+
+  defp check_mrfs(result), do: result
 end

lib/pleroma/constants.ex

@@ -19,7 +19,8 @@ defmodule Pleroma.Constants do
       "context_id",
       "deleted_activity_id",
       "pleroma_internal",
-      "generator"
+      "generator",
+      "rules"
     ]
   )
 

lib/pleroma/notification.ex

@@ -361,36 +361,32 @@ defmodule Pleroma.Notification do
     end
   end
 
-  @spec create_notifications(Activity.t(), keyword()) :: {:ok, [Notification.t()] | []}
-  def create_notifications(activity, options \\ [])
+  @spec create_notifications(Activity.t()) :: {:ok, [Notification.t()] | []}
+  def create_notifications(activity)
 
-  def create_notifications(%Activity{data: %{"to" => _, "type" => "Create"}} = activity, options) do
+  def create_notifications(%Activity{data: %{"to" => _, "type" => "Create"}} = activity) do
     object = Object.normalize(activity, fetch: false)
 
     if object && object.data["type"] == "Answer" do
       {:ok, []}
     else
-      do_create_notifications(activity, options)
+      do_create_notifications(activity)
     end
   end
 
-  def create_notifications(%Activity{data: %{"type" => type}} = activity, options)
+  def create_notifications(%Activity{data: %{"type" => type}} = activity)
       when type in ["Follow", "Like", "Announce", "Move", "EmojiReact", "Flag", "Update"] do
-    do_create_notifications(activity, options)
+    do_create_notifications(activity)
   end
 
-  def create_notifications(_, _), do: {:ok, []}
+  def create_notifications(_), do: {:ok, []}
 
-  defp do_create_notifications(%Activity{} = activity, options) do
-    do_send = Keyword.get(options, :do_send, true)
-
-    {enabled_receivers, disabled_receivers} = get_notified_from_activity(activity)
-    potential_receivers = enabled_receivers ++ disabled_receivers
+  defp do_create_notifications(%Activity{} = activity) do
+    enabled_receivers = get_notified_from_activity(activity)
 
     notifications =
-      Enum.map(potential_receivers, fn user ->
-        do_send = do_send && user in enabled_receivers
-        create_notification(activity, user, do_send: do_send)
+      Enum.map(enabled_receivers, fn user ->
+        create_notification(activity, user)
       end)
       |> Enum.reject(&is_nil/1)
 
@@ -450,7 +446,6 @@ defmodule Pleroma.Notification do
 
   # TODO move to sql, too.
   def create_notification(%Activity{} = activity, %User{} = user, opts \\ []) do
-    do_send = Keyword.get(opts, :do_send, true)
     type = Keyword.get(opts, :type, type_from_activity(activity))
 
     unless skip?(activity, user, opts) do
@@ -465,11 +460,6 @@ defmodule Pleroma.Notification do
         |> Marker.multi_set_last_read_id(user, "notifications")
         |> Repo.transaction()
 
-      if do_send do
-        Streamer.stream(["user", "user:notification"], notification)
-        Push.send(notification)
-      end
-
       notification
     end
   end
@@ -527,10 +517,7 @@ defmodule Pleroma.Notification do
       |> exclude_relationship_restricted_ap_ids(activity)
       |> exclude_thread_muter_ap_ids(activity)
 
-    notification_enabled_users =
-      Enum.filter(potential_receivers, fn u -> u.ap_id in notification_enabled_ap_ids end)
-
-    {notification_enabled_users, potential_receivers -- notification_enabled_users}
+    Enum.filter(potential_receivers, fn u -> u.ap_id in notification_enabled_ap_ids end)
   end
 
   def get_notified_from_activity(_, _local_only), do: {[], []}
@@ -643,6 +630,7 @@ defmodule Pleroma.Notification do
   def skip?(%Activity{} = activity, %User{} = user, opts) do
     [
       :self,
+      :internal,
       :invisible,
       :block_from_strangers,
       :recently_followed,
@@ -662,6 +650,12 @@ defmodule Pleroma.Notification do
     end
   end
 
+  def skip?(:internal, %Activity{} = activity, _user, _opts) do
+    actor = activity.data["actor"]
+    user = User.get_cached_by_ap_id(actor)
+    User.internal?(user)
+  end
+
   def skip?(:invisible, %Activity{} = activity, _user, _opts) do
     actor = activity.data["actor"]
     user = User.get_cached_by_ap_id(actor)
@@ -748,4 +742,12 @@ defmodule Pleroma.Notification do
     )
     |> Repo.update_all(set: [seen: true])
   end
+
+  @spec send(list(Notification.t())) :: :ok
+  def send(notifications) do
+    Enum.each(notifications, fn notification ->
+      Streamer.stream(["user", "user:notification"], notification)
+      Push.send(notification)
+    end)
+  end
 end

lib/pleroma/rule.ex

@@ -0,0 +1,68 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Rule do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+  import Ecto.Query
+
+  alias Pleroma.Repo
+  alias Pleroma.Rule
+
+  schema "rules" do
+    field(:priority, :integer, default: 0)
+    field(:text, :string)
+    field(:hint, :string)
+
+    timestamps()
+  end
+
+  def changeset(%Rule{} = rule, params \\ %{}) do
+    rule
+    |> cast(params, [:priority, :text, :hint])
+    |> validate_required([:text])
+  end
+
+  def query do
+    Rule
+    |> order_by(asc: :priority)
+    |> order_by(asc: :id)
+  end
+
+  def get(ids) when is_list(ids) do
+    from(r in __MODULE__, where: r.id in ^ids)
+    |> Repo.all()
+  end
+
+  def get(id), do: Repo.get(__MODULE__, id)
+
+  def exists?(id) do
+    from(r in __MODULE__, where: r.id == ^id)
+    |> Repo.exists?()
+  end
+
+  def create(params) do
+    {:ok, rule} =
+      %Rule{}
+      |> changeset(params)
+      |> Repo.insert()
+
+    rule
+  end
+
+  def update(params, id) do
+    {:ok, rule} =
+      get(id)
+      |> changeset(params)
+      |> Repo.update()
+
+    rule
+  end
+
+  def delete(id) do
+    get(id)
+    |> Repo.delete()
+  end
+end

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -200,7 +200,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def notify_and_stream(activity) do
-    Notification.create_notifications(activity)
+    {:ok, notifications} = Notification.create_notifications(activity)
+    Notification.send(notifications)
 
     original_activity =
       case activity do
@@ -1259,6 +1260,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_quote_url(query, _), do: query
 
+  defp restrict_rule(query, %{rule_id: rule_id}) do
+    from(
+      activity in query,
+      where: fragment("(?)->'rules' \\? (?)", activity.data, ^rule_id)
+    )
+  end
+
+  defp restrict_rule(query, _), do: query
+
   defp exclude_poll_votes(query, %{include_poll_votes: true}), do: query
 
   defp exclude_poll_votes(query, _) do
@@ -1421,6 +1431,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       |> restrict_instance(opts)
       |> restrict_announce_object_actor(opts)
       |> restrict_filtered(opts)
+      |> restrict_rule(opts)
       |> restrict_quote_url(opts)
       |> maybe_restrict_deactivated_users(opts)
       |> exclude_poll_votes(opts)

lib/pleroma/web/activity_pub/side_effects.ex

@@ -21,7 +21,6 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   alias Pleroma.Web.ActivityPub.Builder
   alias Pleroma.Web.ActivityPub.Pipeline
   alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.Push
   alias Pleroma.Web.Streamer
   alias Pleroma.Workers.PollWorker
 
@@ -125,7 +124,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
         nil
     end
 
-    {:ok, notifications} = Notification.create_notifications(object, do_send: false)
+    {:ok, notifications} = Notification.create_notifications(object)
 
     meta =
       meta
@@ -184,7 +183,11 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
     liked_object = Object.get_by_ap_id(object.data["object"])
     Utils.add_like_to_object(object, liked_object)
 
-    Notification.create_notifications(object)
+    {:ok, notifications} = Notification.create_notifications(object)
+
+    meta =
+      meta
+      |> add_notifications(notifications)
 
     {:ok, object, meta}
   end
@@ -202,7 +205,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   def handle(%{data: %{"type" => "Create"}} = activity, meta) do
     with {:ok, object, meta} <- handle_object_creation(meta[:object_data], activity, meta),
          %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
-      {:ok, notifications} = Notification.create_notifications(activity, do_send: false)
+      {:ok, notifications} = Notification.create_notifications(activity)
       {:ok, _user} = ActivityPub.increase_note_count_if_public(user, object)
       {:ok, _user} = ActivityPub.update_last_status_at_if_public(user, object)
 
@@ -256,11 +259,13 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
 
     Utils.add_announce_to_object(object, announced_object)
 
-    if !User.internal?(user) do
-      Notification.create_notifications(object)
+    {:ok, notifications} = Notification.create_notifications(object)
 
-      ap_streamer().stream_out(object)
-    end
+    if !User.internal?(user), do: ap_streamer().stream_out(object)
+
+    meta =
+      meta
+      |> add_notifications(notifications)
 
     {:ok, object, meta}
   end
@@ -281,7 +286,11 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
     reacted_object = Object.get_by_ap_id(object.data["object"])
     Utils.add_emoji_reaction_to_object(object, reacted_object)
 
-    Notification.create_notifications(object)
+    {:ok, notifications} = Notification.create_notifications(object)
+
+    meta =
+      meta
+      |> add_notifications(notifications)
 
     {:ok, object, meta}
   end
@@ -585,10 +594,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
 
   defp send_notifications(meta) do
     Keyword.get(meta, :notifications, [])
-    |> Enum.each(fn notification ->
-      Streamer.stream(["user", "user:notification"], notification)
-      Push.send(notification)
-    end)
+    |> Notification.send()
 
     meta
   end

lib/pleroma/web/activity_pub/utils.ex

@@ -721,14 +721,18 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   #### Flag-related helpers
   @spec make_flag_data(map(), map()) :: map()
-  def make_flag_data(%{actor: actor, context: context, content: content} = params, additional) do
+  def make_flag_data(
+        %{actor: actor, context: context, content: content} = params,
+        additional
+      ) do
     %{
       "type" => "Flag",
       "actor" => actor.ap_id,
       "content" => content,
       "object" => build_flag_object(params),
       "context" => context,
-      "state" => "open"
+      "state" => "open",
+      "rules" => Map.get(params, :rules, nil)
     }
     |> Map.merge(additional)
   end

lib/pleroma/web/admin_api/controllers/rule_controller.ex

@@ -0,0 +1,62 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.RuleController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Repo
+  alias Pleroma.Rule
+  alias Pleroma.Web.Plugs.OAuthScopesPlug
+
+  import Pleroma.Web.ControllerHelper,
+    only: [
+      json_response: 3
+    ]
+
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["admin:write"]}
+    when action in [:create, :update, :delete]
+  )
+
+  plug(OAuthScopesPlug, %{scopes: ["admin:read"]} when action == :index)
+
+  action_fallback(AdminAPI.FallbackController)
+
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.Admin.RuleOperation
+
+  def index(conn, _) do
+    rules =
+      Rule.query()
+      |> Repo.all()
+
+    render(conn, "index.json", rules: rules)
+  end
+
+  def create(%{body_params: params} = conn, _) do
+    rule =
+      params
+      |> Rule.create()
+
+    render(conn, "show.json", rule: rule)
+  end
+
+  def update(%{body_params: params} = conn, %{id: id}) do
+    rule =
+      params
+      |> Rule.update(id)
+
+    render(conn, "show.json", rule: rule)
+  end
+
+  def delete(conn, %{id: id}) do
+    with {:ok, _} <- Rule.delete(id) do
+      json(conn, %{})
+    else
+      _ -> json_response(conn, :bad_request, "")
+    end
+  end
+end

lib/pleroma/web/admin_api/views/report_view.ex

@@ -6,9 +6,11 @@ defmodule Pleroma.Web.AdminAPI.ReportView do
   use Pleroma.Web, :view
 
   alias Pleroma.HTML
+  alias Pleroma.Rule
   alias Pleroma.User
   alias Pleroma.Web.AdminAPI
   alias Pleroma.Web.AdminAPI.Report
+  alias Pleroma.Web.AdminAPI.RuleView
   alias Pleroma.Web.CommonAPI.Utils
   alias Pleroma.Web.MastodonAPI.StatusView
 
@@ -46,7 +48,8 @@ defmodule Pleroma.Web.AdminAPI.ReportView do
           as: :activity
         }),
       state: report.data["state"],
-      notes: render(__MODULE__, "index_notes.json", %{notes: report.report_notes})
+      notes: render(__MODULE__, "index_notes.json", %{notes: report.report_notes}),
+      rules: rules(Map.get(report.data, "rules", nil))
     }
   end
 
@@ -71,4 +74,16 @@ defmodule Pleroma.Web.AdminAPI.ReportView do
       created_at: Utils.to_masto_date(inserted_at)
     }
   end
+
+  defp rules(nil) do
+    []
+  end
+
+  defp rules(rule_ids) do
+    rules =
+      rule_ids
+      |> Rule.get()
+
+    render(RuleView, "index.json", rules: rules)
+  end
 end

lib/pleroma/web/admin_api/views/rule_view.ex

@@ -0,0 +1,22 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.RuleView do
+  use Pleroma.Web, :view
+
+  require Pleroma.Constants
+
+  def render("index.json", %{rules: rules} = _opts) do
+    render_many(rules, __MODULE__, "show.json")
+  end
+
+  def render("show.json", %{rule: rule} = _opts) do
+    %{
+      id: to_string(rule.id),
+      priority: rule.priority,
+      text: rule.text,
+      hint: rule.hint
+    }
+  end
+end

lib/pleroma/web/api_spec.ex

@@ -97,6 +97,7 @@ defmodule Pleroma.Web.ApiSpec do
               "Frontend management",
               "Instance configuration",
               "Instance documents",
+              "Instance rule managment",
               "Invites",
               "MediaProxy cache",
               "OAuth application management",

lib/pleroma/web/api_spec/operations/admin/report_operation.ex

@@ -30,6 +30,12 @@ defmodule Pleroma.Web.ApiSpec.Admin.ReportOperation do
           report_state(),
           "Filter by report state"
         ),
+        Operation.parameter(
+          :rule_id,
+          :query,
+          %Schema{type: :string},
+          "Filter by selected rule id"
+        ),
         Operation.parameter(
           :limit,
           :query,
@@ -169,6 +175,17 @@ defmodule Pleroma.Web.ApiSpec.Admin.ReportOperation do
               inserted_at: %Schema{type: :string, format: :"date-time"}
             }
           }
+        },
+        rules: %Schema{
+          type: :array,
+          items: %Schema{
+            type: :object,
+            properties: %{
+              id: %Schema{type: :string},
+              text: %Schema{type: :string},
+              hint: %Schema{type: :string, nullable: true}
+            }
+          }
         }
       }
     }

lib/pleroma/web/api_spec/operations/admin/rule_operation.ex

@@ -0,0 +1,115 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Admin.RuleOperation do
+  alias OpenApiSpex.Operation
+  alias OpenApiSpex.Schema
+  alias Pleroma.Web.ApiSpec.Schemas.ApiError
+
+  import Pleroma.Web.ApiSpec.Helpers
+
+  def open_api_operation(action) do
+    operation = String.to_existing_atom("#{action}_operation")
+    apply(__MODULE__, operation, [])
+  end
+
+  def index_operation do
+    %Operation{
+      tags: ["Instance rule managment"],
+      summary: "Retrieve list of instance rules",
+      operationId: "AdminAPI.RuleController.index",
+      security: [%{"oAuth" => ["admin:read"]}],
+      responses: %{
+        200 =>
+          Operation.response("Response", "application/json", %Schema{
+            type: :array,
+            items: rule()
+          }),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
+      }
+    }
+  end
+
+  def create_operation do
+    %Operation{
+      tags: ["Instance rule managment"],
+      summary: "Create new rule",
+      operationId: "AdminAPI.RuleController.create",
+      security: [%{"oAuth" => ["admin:write"]}],
+      parameters: admin_api_params(),
+      requestBody: request_body("Parameters", create_request(), required: true),
+      responses: %{
+        200 => Operation.response("Response", "application/json", rule()),
+        400 => Operation.response("Bad Request", "application/json", ApiError),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
+      }
+    }
+  end
+
+  def update_operation do
+    %Operation{
+      tags: ["Instance rule managment"],
+      summary: "Modify existing rule",
+      operationId: "AdminAPI.RuleController.update",
+      security: [%{"oAuth" => ["admin:write"]}],
+      parameters: [Operation.parameter(:id, :path, :string, "Rule ID")],
+      requestBody: request_body("Parameters", update_request(), required: true),
+      responses: %{
+        200 => Operation.response("Response", "application/json", rule()),
+        400 => Operation.response("Bad Request", "application/json", ApiError),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
+      }
+    }
+  end
+
+  def delete_operation do
+    %Operation{
+      tags: ["Instance rule managment"],
+      summary: "Delete rule",
+      operationId: "AdminAPI.RuleController.delete",
+      parameters: [Operation.parameter(:id, :path, :string, "Rule ID")],
+      security: [%{"oAuth" => ["admin:write"]}],
+      responses: %{
+        200 => empty_object_response(),
+        404 => Operation.response("Not Found", "application/json", ApiError),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
+      }
+    }
+  end
+
+  defp create_request do
+    %Schema{
+      type: :object,
+      required: [:text],
+      properties: %{
+        priority: %Schema{type: :integer},
+        text: %Schema{type: :string},
+        hint: %Schema{type: :string}
+      }
+    }
+  end
+
+  defp update_request do
+    %Schema{
+      type: :object,
+      properties: %{
+        priority: %Schema{type: :integer},
+        text: %Schema{type: :string},
+        hint: %Schema{type: :string}
+      }
+    }
+  end
+
+  defp rule do
+    %Schema{
+      type: :object,
+      properties: %{
+        id: %Schema{type: :string},
+        priority: %Schema{type: :integer},
+        text: %Schema{type: :string},
+        hint: %Schema{type: :string, nullable: true}
+      }
+    }
+  end
+end

lib/pleroma/web/api_spec/operations/instance_operation.ex

@@ -46,6 +46,17 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
     }
   end
 
+  def rules_operation do
+    %Operation{
+      tags: ["Instance misc"],
+      summary: "Retrieve list of instance rules",
+      operationId: "InstanceController.rules",
+      responses: %{
+        200 => Operation.response("Array of domains", "application/json", array_of_rules())
+      }
+    }
+  end
+
   defp instance do
     %Schema{
       type: :object,
@@ -181,7 +192,8 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
         "urls" => %{
           "streaming_api" => "wss://lain.com"
         },
-        "version" => "2.7.2 (compatible; Pleroma 2.0.50-536-g25eec6d7-develop)"
+        "version" => "2.7.2 (compatible; Pleroma 2.0.50-536-g25eec6d7-develop)",
+        "rules" => array_of_rules()
       }
     }
   end
@@ -371,4 +383,18 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
       example: ["pleroma.site", "lain.com", "bikeshed.party"]
     }
   end
+
+  defp array_of_rules do
+    %Schema{
+      type: :array,
+      items: %Schema{
+        type: :object,
+        properties: %{
+          id: %Schema{type: :string},
+          text: %Schema{type: :string},
+          hint: %Schema{type: :string}
+        }
+      }
+    }
+  end
 end

lib/pleroma/web/api_spec/operations/report_operation.ex

@@ -53,6 +53,12 @@ defmodule Pleroma.Web.ApiSpec.ReportOperation do
           default: false,
           description:
             "If the account is remote, should the report be forwarded to the remote admin?"
+        },
+        rule_ids: %Schema{
+          type: :array,
+          nullable: true,
+          items: %Schema{type: :string},
+          description: "Array of rules"
         }
       },
       required: [:account_id],
@@ -60,7 +66,8 @@ defmodule Pleroma.Web.ApiSpec.ReportOperation do
         "account_id" => "123",
         "status_ids" => ["1337"],
         "comment" => "bad status!",
-        "forward" => "false"
+        "forward" => "false",
+        "rule_ids" => ["3"]
       }
     }
   end

lib/pleroma/web/common_api.ex

@@ -8,6 +8,7 @@ defmodule Pleroma.Web.CommonAPI do
   alias Pleroma.Formatter
   alias Pleroma.ModerationLog
   alias Pleroma.Object
+  alias Pleroma.Rule
   alias Pleroma.ThreadMute
   alias Pleroma.User
   alias Pleroma.UserRelationship
@@ -568,14 +569,16 @@ defmodule Pleroma.Web.CommonAPI do
   def report(user, data) do
     with {:ok, account} <- get_reported_account(data.account_id),
          {:ok, {content_html, _, _}} <- make_report_content_html(data[:comment]),
-         {:ok, statuses} <- get_report_statuses(account, data) do
+         {:ok, statuses} <- get_report_statuses(account, data),
+         rules <- get_report_rules(Map.get(data, :rule_ids, nil)) do
       ActivityPub.flag(%{
         context: Utils.generate_context_id(),
         actor: user,
         account: account,
         statuses: statuses,
         content: content_html,
-        forward: Map.get(data, :forward, false)
+        forward: Map.get(data, :forward, false),
+        rules: rules
       })
     end
   end
@@ -587,6 +590,15 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
+  defp get_report_rules(nil) do
+    nil
+  end
+
+  defp get_report_rules(rule_ids) do
+    rule_ids
+    |> Enum.filter(&Rule.exists?/1)
+  end
+
   def update_report_state(activity_ids, state) when is_list(activity_ids) do
     case Utils.update_report_state(activity_ids, state) do
       :ok -> {:ok, activity_ids}

lib/pleroma/web/mastodon_api/controllers/instance_controller.ex

@@ -25,4 +25,9 @@ defmodule Pleroma.Web.MastodonAPI.InstanceController do
   def peers(conn, _params) do
     json(conn, Pleroma.Stats.get_peers())
   end
+
+  @doc "GET /api/v1/instance/rules"
+  def rules(conn, _params) do
+    render(conn, "rules.json")
+  end
 end

lib/pleroma/web/mastodon_api/views/instance_view.ex

@@ -76,12 +76,26 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
     })
   end
 
+  def render("rules.json", _) do
+    Pleroma.Rule.query()
+    |> Pleroma.Repo.all()
+    |> render_many(__MODULE__, "rule.json", as: :rule)
+  end
+
+  def render("rule.json", %{rule: rule}) do
+    %{
+      id: to_string(rule.id),
+      text: rule.text,
+      hint: rule.hint || ""
+    }
+  end
+
   defp common_information(instance) do
     %{
-      title: Keyword.get(instance, :name),
-      version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})",
       languages: Keyword.get(instance, :languages, ["en"]),
-      rules: []
+      rules: render(__MODULE__, "rules.json"),
+      title: Keyword.get(instance, :name),
+      version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})"
     }
   end
 

lib/pleroma/web/router.ex

@@ -292,6 +292,11 @@ defmodule Pleroma.Web.Router do
     post("/frontends/install", FrontendController, :install)
 
     post("/backups", AdminAPIController, :create_backup)
+
+    get("/rules", RuleController, :index)
+    post("/rules", RuleController, :create)
+    patch("/rules/:id", RuleController, :update)
+    delete("/rules/:id", RuleController, :delete)
   end
 
   # AdminAPI: admins and mods (staff) can perform these actions (if privileged by role)
@@ -764,6 +769,7 @@ defmodule Pleroma.Web.Router do
 
     get("/instance", InstanceController, :show)
     get("/instance/peers", InstanceController, :peers)
+    get("/instance/rules", InstanceController, :rules)
 
     get("/statuses", StatusController, :index)
     get("/statuses/:id", StatusController, :show)