103 lines
3.1 KiB
Elixir
103 lines
3.1 KiB
Elixir
defmodule Mobilizon.Federation.ActivityPub.Permission do
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@moduledoc """
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Module to check group members permissions on objects
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"""
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alias Mobilizon.Actors
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Federation.ActivityPub.Types.{Entity, Ownable}
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require Logger
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@doc """
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Check that actor can access the object
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"""
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@spec can_access_group_object?(Actor.t(), Entity.t()) :: boolean()
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def can_access_group_object?(%Actor{} = actor, object) do
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can_manage_group_object?(:role_needed_to_access, actor, object)
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end
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@doc """
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Check that actor can update the object
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"""
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@spec can_update_group_object?(Actor.t(), Entity.t()) :: boolean()
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def can_update_group_object?(%Actor{} = actor, object) do
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can_manage_group_object?(:role_needed_to_update, actor, object)
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end
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@doc """
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Check that actor can delete the object
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"""
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@spec can_delete_group_object?(Actor.t(), Entity.t()) :: boolean()
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def can_delete_group_object?(%Actor{} = actor, object) do
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can_manage_group_object?(:role_needed_to_delete, actor, object)
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end
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@spec can_manage_group_object?(
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:role_needed_to_access | :role_needed_to_update | :role_needed_to_delete,
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Actor.t(),
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any()
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) :: boolean()
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defp can_manage_group_object?(action_function, %Actor{url: actor_url} = actor, object) do
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if Ownable.group_actor(object) != nil do
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case apply(Ownable, action_function, [object]) do
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role when role in [:member, :moderator, :administrator] ->
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activity_actor_is_group_member?(actor, object, role)
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_ ->
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case action_function do
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:role_needed_to_access ->
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Logger.warn("Actor #{actor_url} can't access #{object.url}")
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:role_needed_to_update ->
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Logger.warn("Actor #{actor_url} can't update #{object.url}")
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:role_needed_to_delete ->
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Logger.warn("Actor #{actor_url} can't delete #{object.url}")
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end
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false
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end
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else
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true
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end
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end
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@spec activity_actor_is_group_member?(Actor.t(), Entity.t(), atom()) :: boolean()
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defp activity_actor_is_group_member?(
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%Actor{id: actor_id, url: actor_url},
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object,
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role
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) do
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case Ownable.group_actor(object) do
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%Actor{type: :Group, id: group_id, url: group_url} ->
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Logger.debug("Group object url is #{group_url}")
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case role do
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:moderator ->
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Logger.debug(
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"Checking if activity actor #{actor_url} is a moderator from group from #{object.url}"
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)
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Actors.is_moderator?(actor_id, group_id)
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:administrator ->
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Logger.debug(
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"Checking if activity actor #{actor_url} is an administrator from group from #{object.url}"
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)
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Actors.is_administrator?(actor_id, group_id)
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_ ->
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Logger.debug(
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"Checking if activity actor #{actor_url} is a member from group from #{object.url}"
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)
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Actors.is_member?(actor_id, group_id)
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end
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_ ->
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false
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end
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end
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end
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