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Refactoring of Actors context

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This commit is contained in:
miffigriffy
2019-09-09 00:52:49 +02:00
parent 3a4a006c44
commit 4418275223
36 changed files with 1145 additions and 1345 deletions
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672
lib/mobilizon/actors/actor.ex
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@@ -1,44 +1,17 @@
import EctoEnum
defenum(Mobilizon.Actors.ActorTypeEnum, :actor_type, [
:Person,
:Application,
:Group,
:Organization,
:Service
])
defenum(Mobilizon.Actors.ActorOpennessEnum, :actor_openness, [
:invite_only,
:moderated,
:open
])
defenum(Mobilizon.Actors.ActorVisibilityEnum, :actor_visibility_type, [
:public,
:unlisted,
# Probably unused
:restricted,
:private
])
defmodule Mobilizon.Actors.Actor do
@moduledoc """
Represents an actor (local and remote actors)
Represents an actor (local and remote).
"""
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, Follower, Member}
alias Mobilizon.Config
alias Mobilizon.{Actors, Config, Crypto}
alias Mobilizon.Actors.{Actor, ActorOpenness, ActorType, ActorVisibility, Follower, Member}
alias Mobilizon.Events.{Event, FeedToken}
alias Mobilizon.Media.File
alias Mobilizon.Reports.{Report, Note}
alias Mobilizon.Storage.{Page, Repo}
alias Mobilizon.Users.User
alias MobilizonWeb.Router.Helpers, as: Routes
@@ -46,7 +19,97 @@ defmodule Mobilizon.Actors.Actor do
require Logger
# @type t :: %Actor{description: String.t, id: integer(), inserted_at: DateTime.t, updated_at: DateTime.t, display_name: String.t, domain: String.t, keys: String.t, suspended: boolean(), url: String.t, username: String.t, organized_events: list(), groups: list(), group_request: list(), user: User.t, field: ActorTypeEnum.t}
@type t :: %__MODULE__{
url: String.t(),
outbox_url: String.t(),
inbox_url: String.t(),
following_url: String.t(),
followers_url: String.t(),
shared_inbox_url: String.t(),
type: ActorType.t(),
name: String.t(),
domain: String.t(),
summary: String.t(),
preferred_username: String.t(),
keys: String.t(),
manually_approves_followers: boolean,
openness: ActorOpenness.t(),
visibility: ActorVisibility.t(),
suspended: boolean,
avatar: File.t(),
banner: File.t(),
user: User.t(),
followers: [Follower.t()],
followings: [Follower.t()],
organized_events: [Event.t()],
feed_tokens: [FeedToken.t()],
created_reports: [Report.t()],
subject_reports: [Report.t()],
report_notes: [Note.t()],
memberships: [Actor.t()]
}
@required_attrs [:preferred_username, :keys, :suspended, :url]
@optional_attrs [
:outbox_url,
:inbox_url,
:shared_inbox_url,
:following_url,
:followers_url,
:type,
:name,
:domain,
:summary,
:manually_approves_followers,
:user_id
]
@attrs @required_attrs ++ @optional_attrs
@update_required_attrs @required_attrs
@update_optional_attrs [:name, :summary, :manually_approves_followers, :user_id]
@update_attrs @update_required_attrs ++ @update_optional_attrs
@registration_required_attrs [:preferred_username, :keys, :suspended, :url, :type]
@registration_optional_attrs [:domain, :name, :summary, :user_id]
@registration_attrs @registration_required_attrs ++ @registration_optional_attrs
@remote_actor_creation_required_attrs [
:url,
:inbox_url,
:type,
:domain,
:preferred_username,
:keys
]
@remote_actor_creation_optional_attrs [
:outbox_url,
:shared_inbox_url,
:following_url,
:followers_url,
:name,
:summary,
:manually_approves_followers
]
@remote_actor_creation_attrs @remote_actor_creation_required_attrs ++
@remote_actor_creation_optional_attrs
@relay_creation_attrs [
:type,
:name,
:summary,
:url,
:keys,
:preferred_username,
:domain,
:inbox_url,
:followers_url,
:following_url,
:shared_inbox_url
]
@group_creation_required_attrs [:url, :outbox_url, :inbox_url, :type, :preferred_username]
@group_creation_optional_attrs [:shared_inbox_url, :name, :domain, :summary]
@group_creation_attrs @group_creation_required_attrs ++ @group_creation_optional_attrs
schema "actors" do
field(:url, :string)
@@ -55,187 +118,156 @@ defmodule Mobilizon.Actors.Actor do
field(:following_url, :string)
field(:followers_url, :string)
field(:shared_inbox_url, :string)
field(:type, Mobilizon.Actors.ActorTypeEnum, default: :Person)
field(:type, ActorType, default: :Person)
field(:name, :string)
field(:domain, :string, default: nil)
field(:summary, :string)
field(:preferred_username, :string)
field(:keys, :string)
field(:manually_approves_followers, :boolean, default: false)
field(:openness, Mobilizon.Actors.ActorOpennessEnum, default: :moderated)
field(:visibility, Mobilizon.Actors.ActorVisibilityEnum, default: :private)
field(:openness, ActorOpenness, default: :moderated)
field(:visibility, ActorVisibility, default: :private)
field(:suspended, :boolean, default: false)
# field(:openness, Mobilizon.Actors.ActorOpennessEnum, default: :moderated)
embeds_one(:avatar, File, on_replace: :update)
embeds_one(:banner, File, on_replace: :update)
belongs_to(:user, User)
has_many(:followers, Follower, foreign_key: :target_actor_id)
has_many(:followings, Follower, foreign_key: :actor_id)
has_many(:organized_events, Event, foreign_key: :organizer_actor_id)
many_to_many(:memberships, Actor, join_through: Member)
belongs_to(:user, User)
has_many(:feed_tokens, FeedToken, foreign_key: :actor_id)
embeds_one(:avatar, File, on_replace: :update)
embeds_one(:banner, File, on_replace: :update)
has_many(:created_reports, Report, foreign_key: :reporter_id)
has_many(:subject_reports, Report, foreign_key: :reported_id)
has_many(:report_notes, Note, foreign_key: :moderator_id)
many_to_many(:memberships, Actor, join_through: Member)
timestamps()
end
@doc """
Checks whether actor visibility is public.
"""
@spec is_public_visibility(Actor.t()) :: boolean
def is_public_visibility(%Actor{visibility: visibility}) do
visibility in [:public, :unlisted]
end
@doc """
Returns the display name if available, or the preferred username
(with the eventual @domain suffix if it's a distant actor).
"""
@spec display_name(Actor.t()) :: String.t()
def display_name(%Actor{name: name} = actor) when name in [nil, ""] do
preferred_username_and_domain(actor)
end
def display_name(%Actor{name: name}), do: name
@doc """
Returns display name and username.
"""
@spec display_name_and_username(Actor.t()) :: String.t()
def display_name_and_username(%Actor{name: name} = actor) when name in [nil, ""] do
preferred_username_and_domain(actor)
end
def display_name_and_username(%Actor{name: name} = actor) do
"#{name} (#{preferred_username_and_domain(actor)})"
end
@doc """
Returns the preferred username with the eventual @domain suffix if it's
a distant actor.
"""
@spec preferred_username_and_domain(Actor.t()) :: String.t()
def preferred_username_and_domain(%Actor{preferred_username: preferred_username, domain: nil}) do
preferred_username
end
def preferred_username_and_domain(%Actor{preferred_username: preferred_username, domain: domain}) do
"#{preferred_username}@#{domain}"
end
@doc false
@spec changeset(t | Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
def changeset(%Actor{} = actor, attrs) do
actor
|> Ecto.Changeset.cast(attrs, [
:url,
:outbox_url,
:inbox_url,
:shared_inbox_url,
:following_url,
:followers_url,
:type,
:name,
:domain,
:summary,
:preferred_username,
:keys,
:manually_approves_followers,
:suspended,
:user_id
])
|> cast(attrs, @attrs)
|> build_urls()
|> cast_embed(:avatar)
|> cast_embed(:banner)
|> unique_username_validator()
|> validate_required([:preferred_username, :keys, :suspended, :url])
|> unique_constraint(:preferred_username, name: :actors_preferred_username_domain_type_index)
|> validate_required(@required_attrs)
|> unique_constraint(:preferred_username,
name: :actors_preferred_username_domain_type_index
)
|> unique_constraint(:url, name: :actors_url_index)
end
@doc false
@spec update_changeset(t | Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
def update_changeset(%Actor{} = actor, attrs) do
actor
|> Ecto.Changeset.cast(attrs, [
:name,
:summary,
:keys,
:manually_approves_followers,
:suspended,
:user_id
])
|> cast(attrs, @update_attrs)
|> cast_embed(:avatar)
|> cast_embed(:banner)
|> validate_required([:preferred_username, :keys, :suspended, :url])
|> unique_constraint(:preferred_username, name: :actors_preferred_username_domain_type_index)
|> validate_required(@update_required_attrs)
|> unique_constraint(:preferred_username,
name: :actors_preferred_username_domain_type_index
)
|> unique_constraint(:url, name: :actors_url_index)
end
@doc """
Changeset for person registration
Changeset for person registration.
"""
@spec registration_changeset(struct(), map()) :: Ecto.Changeset.t()
@spec registration_changeset(t | Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
def registration_changeset(%Actor{} = actor, attrs) do
actor
|> Ecto.Changeset.cast(attrs, [
:preferred_username,
:domain,
:name,
:summary,
:keys,
:suspended,
:url,
:type,
:user_id
])
|> cast(attrs, @registration_attrs)
|> build_urls()
|> cast_embed(:avatar)
|> cast_embed(:banner)
# Needed because following constraint can't work for domain null values (local)
|> unique_username_validator()
|> unique_constraint(:preferred_username, name: :actors_preferred_username_domain_type_index)
|> unique_constraint(:preferred_username,
name: :actors_preferred_username_domain_type_index
)
|> unique_constraint(:url, name: :actors_url_index)
|> validate_required([:preferred_username, :keys, :suspended, :url, :type])
|> validate_required(@registration_required_attrs)
end
# TODO : Use me !
# @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
@doc """
Changeset for remote actor creation
Changeset for remote actor creation.
"""
@spec remote_actor_creation(map()) :: Ecto.Changeset.t()
def remote_actor_creation(params) do
changes =
@spec remote_actor_creation_changeset(map) :: Ecto.Changeset.t()
def remote_actor_creation_changeset(attrs) do
changeset =
%Actor{}
|> Ecto.Changeset.cast(params, [
:url,
:outbox_url,
:inbox_url,
:shared_inbox_url,
:following_url,
:followers_url,
:type,
:name,
:domain,
:summary,
:preferred_username,
:keys,
:manually_approves_followers
])
|> validate_required([
:url,
:inbox_url,
:type,
:domain,
:preferred_username,
:keys
])
|> cast(attrs, @remote_actor_creation_attrs)
|> validate_required(@remote_actor_creation_required_attrs)
|> cast_embed(:avatar)
|> cast_embed(:banner)
# Needed because following constraint can't work for domain null values (local)
|> unique_username_validator()
|> unique_constraint(:preferred_username, name: :actors_preferred_username_domain_type_index)
|> unique_constraint(:preferred_username,
name: :actors_preferred_username_domain_type_index
)
|> unique_constraint(:url, name: :actors_url_index)
|> validate_length(:summary, max: 5000)
|> validate_length(:preferred_username, max: 100)
Logger.debug("Remote actor creation")
Logger.debug(inspect(changes))
changes
Logger.debug("Remote actor creation: #{inspect(changeset)}")
changeset
end
def relay_creation(%{url: url, preferred_username: preferred_username} = _params) do
key = :public_key.generate_key({:rsa, 2048, 65_537})
entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
pem = [entry] |> :public_key.pem_encode() |> String.trim_trailing()
@doc """
Changeset for relay creation.
"""
@spec relay_creation_changeset(map) :: Ecto.Changeset.t()
def relay_creation_changeset(attrs) do
relay_creation_attrs = build_relay_creation_attrs(attrs)
vars = %{
"name" => Config.get([:instance, :name], "Mobilizon"),
"summary" => Config.get(
[:instance, :description],
"An internal service actor for this Mobilizon instance"
),
"url" => url,
"keys" => pem,
"preferred_username" => preferred_username,
"domain" => nil,
"inbox_url" => "#{MobilizonWeb.Endpoint.url()}/inbox",
"followers_url" => "#{url}/followers",
"following_url" => "#{url}/following",
"shared_inbox_url" => "#{MobilizonWeb.Endpoint.url()}/inbox",
"type" => :Application
}
cast(%Actor{}, vars, [
:type,
:name,
:summary,
:url,
:keys,
:preferred_username,
:domain,
:inbox_url,
:followers_url,
:following_url,
:shared_inbox_url
])
cast(%Actor{}, relay_creation_attrs, @relay_creation_attrs)
end
@doc """
@@ -244,68 +276,48 @@ defmodule Mobilizon.Actors.Actor do
@spec group_creation(struct(), map()) :: Ecto.Changeset.t()
def group_creation(%Actor{} = actor, params) do
actor
|> Ecto.Changeset.cast(params, [
:url,
:outbox_url,
:inbox_url,
:shared_inbox_url,
:type,
:name,
:domain,
:summary,
:preferred_username
])
|> cast(params, @group_creation_attrs)
|> cast_embed(:avatar)
|> cast_embed(:banner)
|> build_urls(:Group)
|> put_change(:domain, nil)
|> put_change(:keys, Actors.create_keys())
|> put_change(:keys, Crypto.generate_rsa_2048_private_key())
|> put_change(:type, :Group)
|> unique_username_validator()
|> validate_required([:url, :outbox_url, :inbox_url, :type, :preferred_username])
|> unique_constraint(:preferred_username, name: :actors_preferred_username_domain_type_index)
|> validate_required(@group_creation_required_attrs)
|> unique_constraint(:preferred_username,
name: :actors_preferred_username_domain_type_index
)
|> unique_constraint(:url, name: :actors_url_index)
|> validate_length(:summary, max: 5000)
|> validate_length(:preferred_username, max: 100)
end
# Needed because following constraint can't work for domain null values (local)
@spec unique_username_validator(Ecto.Changeset.t()) :: Ecto.Changeset.t()
defp unique_username_validator(
%Ecto.Changeset{changes: %{preferred_username: username} = changes} = changeset
) do
with nil <- Map.get(changes, :domain, nil),
%Actor{preferred_username: _username} <- Actors.get_local_actor_by_name(username) do
changeset |> add_error(:preferred_username, "Username is already taken")
%Actor{preferred_username: _} <- Actors.get_local_actor_by_name(username) do
add_error(changeset, :preferred_username, "Username is already taken")
else
_ -> changeset
end
end
# When we don't even have any preferred_username, don't even try validating preferred_username
defp unique_username_validator(changeset) do
changeset
end
defp unique_username_validator(changeset), do: changeset
@spec build_urls(Ecto.Changeset.t(), atom()) :: Ecto.Changeset.t()
@spec build_urls(Ecto.Changeset.t(), ActorType.t()) :: Ecto.Changeset.t()
defp build_urls(changeset, type \\ :Person)
defp build_urls(%Ecto.Changeset{changes: %{preferred_username: username}} = changeset, _type) do
changeset
|> put_change(
:outbox_url,
build_url(username, :outbox)
)
|> put_change(
:followers_url,
build_url(username, :followers)
)
|> put_change(
:following_url,
build_url(username, :following)
)
|> put_change(
:inbox_url,
build_url(username, :inbox)
)
|> put_change(:outbox_url, build_url(username, :outbox))
|> put_change(:followers_url, build_url(username, :followers))
|> put_change(:following_url, build_url(username, :following))
|> put_change(:inbox_url, build_url(username, :inbox))
|> put_change(:shared_inbox_url, "#{MobilizonWeb.Endpoint.url()}/inbox")
|> put_change(:url, build_url(username, :page))
end
@@ -313,19 +325,19 @@ defmodule Mobilizon.Actors.Actor do
defp build_urls(%Ecto.Changeset{} = changeset, _type), do: changeset
@doc """
Build an AP URL for an actor
Builds an AP URL for an actor.
"""
@spec build_url(String.t(), atom()) :: String.t()
@spec build_url(String.t(), atom, keyword) :: String.t()
def build_url(preferred_username, endpoint, args \\ [])
def build_url(username, :inbox, _args), do: "#{build_url(username, :page)}/inbox"
def build_url(preferred_username, :page, args) do
Endpoint
|> Routes.page_url(:actor, preferred_username, args)
|> URI.decode()
end
def build_url(username, :inbox, _args), do: "#{build_url(username, :page)}/inbox"
def build_url(preferred_username, endpoint, args)
when endpoint in [:outbox, :following, :followers] do
Endpoint
@@ -333,267 +345,35 @@ defmodule Mobilizon.Actors.Actor do
|> URI.decode()
end
@doc """
Get a public key for a given ActivityPub actor ID (url)
"""
@spec get_public_key_for_url(String.t()) :: {:ok, String.t()} | {:error, atom()}
def get_public_key_for_url(url) do
with {:ok, %Actor{keys: keys}} <- Actors.get_or_fetch_by_url(url),
{:ok, public_key} <- prepare_public_key(keys) do
{:ok, public_key}
else
{:error, :pem_decode_error} ->
Logger.error("Error while decoding PEM")
{:error, :pem_decode_error}
_ ->
Logger.error("Unable to fetch actor, so no keys for you")
{:error, :actor_fetch_error}
end
end
@doc """
Convert internal PEM encoded keys to public key format
"""
@spec prepare_public_key(String.t()) :: {:ok, tuple()} | {:error, :pem_decode_error}
def prepare_public_key(public_key_code) do
case :public_key.pem_decode(public_key_code) do
[public_key_entry] ->
{:ok, :public_key.pem_entry_decode(public_key_entry)}
_err ->
{:error, :pem_decode_error}
end
end
@doc """
Get followers from an actor
If actor A and C both follow actor B, actor B's followers are A and C
"""
@spec get_followers(struct(), number(), number()) :: map()
def get_followers(%Actor{id: actor_id} = _actor, page \\ nil, limit \\ nil) do
query =
from(
a in Actor,
join: f in Follower,
on: a.id == f.actor_id,
where: f.target_actor_id == ^actor_id
)
total = Task.async(fn -> Repo.aggregate(query, :count, :id) end)
elements = Task.async(fn -> Repo.all(Page.paginate(query, page, limit)) end)
%{total: Task.await(total), elements: Task.await(elements)}
end
defp get_full_followers_query(%Actor{id: actor_id} = _actor) do
from(
a in Actor,
join: f in Follower,
on: a.id == f.actor_id,
where: f.target_actor_id == ^actor_id
)
end
@spec get_full_followers(struct()) :: list()
def get_full_followers(%Actor{} = actor) do
actor
|> get_full_followers_query()
|> Repo.all()
end
@spec get_full_external_followers(struct()) :: list()
def get_full_external_followers(%Actor{} = actor) do
actor
|> get_full_followers_query()
|> where([a], not is_nil(a.domain))
|> Repo.all()
end
@doc """
Get followings from an actor
If actor A follows actor B and C, actor A's followings are B and B
"""
@spec get_followings(struct(), number(), number()) :: list()
def get_followings(%Actor{id: actor_id} = _actor, page \\ nil, limit \\ nil) do
query =
from(
a in Actor,
join: f in Follower,
on: a.id == f.target_actor_id,
where: f.actor_id == ^actor_id
)
total = Task.async(fn -> Repo.aggregate(query, :count, :id) end)
elements = Task.async(fn -> Repo.all(Page.paginate(query, page, limit)) end)
%{total: Task.await(total), elements: Task.await(elements)}
end
@spec get_full_followings(struct()) :: list()
def get_full_followings(%Actor{id: actor_id} = _actor) do
Repo.all(
from(
a in Actor,
join: f in Follower,
on: a.id == f.target_actor_id,
where: f.actor_id == ^actor_id
)
)
end
@doc """
Returns the groups an actor is member of
"""
@spec get_groups_member_of(struct()) :: list()
def get_groups_member_of(%Actor{id: actor_id}) do
Repo.all(
from(
a in Actor,
join: m in Member,
on: a.id == m.parent_id,
where: m.actor_id == ^actor_id
)
)
end
@doc """
Returns the members for a group actor
"""
@spec get_members_for_group(struct()) :: list()
def get_members_for_group(%Actor{id: actor_id}) do
Repo.all(
from(
a in Actor,
join: m in Member,
on: a.id == m.actor_id,
where: m.parent_id == ^actor_id
)
)
end
@doc """
Make an actor follow another
"""
@spec follow(struct(), struct(), boolean()) :: Follower.t() | {:error, String.t()}
def follow(%Actor{} = followed, %Actor{} = follower, url \\ nil, approved \\ true) do
with {:suspended, false} <- {:suspended, followed.suspended},
# Check if followed has blocked follower
{:already_following, false} <- {:already_following, following?(follower, followed)} do
do_follow(follower, followed, approved, url)
else
{:already_following, %Follower{}} ->
{:error, :already_following,
"Could not follow actor: you are already following #{followed.preferred_username}"}
{:suspended, _} ->
{:error, :suspended,
"Could not follow actor: #{followed.preferred_username} has been suspended"}
end
end
@doc """
Unfollow an actor (remove a `Mobilizon.Actors.Follower`)
"""
@spec unfollow(struct(), struct()) :: {:ok, Follower.t()} | {:error, Ecto.Changeset.t()}
def unfollow(%Actor{} = followed, %Actor{} = follower) do
case {:already_following, following?(follower, followed)} do
{:already_following, %Follower{} = follow} ->
Actors.delete_follower(follow)
{:already_following, false} ->
{:error, "Could not unfollow actor: you are not following #{followed.preferred_username}"}
end
end
@spec do_follow(struct(), struct(), boolean(), String.t()) ::
{:ok, Follower.t()} | {:error, Ecto.Changeset.t()}
defp do_follow(%Actor{} = follower, %Actor{} = followed, approved, url) do
Logger.info(
"Making #{follower.preferred_username} follow #{followed.preferred_username} (approved: #{
approved
})"
)
Actors.create_follower(%{
"actor_id" => follower.id,
"target_actor_id" => followed.id,
"approved" => approved,
"url" => url
})
end
@doc """
Returns whether an actor is following another
"""
@spec following?(struct(), struct()) :: Follower.t() | false
def following?(
%Actor{} = follower_actor,
%Actor{} = followed_actor
) do
case Actors.get_follower(followed_actor, follower_actor) do
nil -> false
%Follower{} = follow -> follow
end
end
@spec public_visibility?(struct()) :: boolean()
def public_visibility?(%Actor{visibility: visibility}), do: visibility in [:public, :unlisted]
@doc """
Return the preferred_username with the eventual @domain suffix if it's a distant actor
"""
@spec actor_acct_from_actor(struct()) :: String.t()
def actor_acct_from_actor(%Actor{preferred_username: preferred_username, domain: domain}) do
if is_nil(domain) do
preferred_username
else
"#{preferred_username}@#{domain}"
end
end
@doc """
Returns the display name if available, or the preferred_username (with the eventual @domain suffix if it's a distant actor).
"""
@spec display_name(struct()) :: String.t()
def display_name(%Actor{name: name} = actor) do
case name do
nil -> actor_acct_from_actor(actor)
"" -> actor_acct_from_actor(actor)
name -> name
end
end
@doc """
Return display name and username
## Examples
iex> display_name_and_username(%Actor{name: "Thomas C", preferred_username: "tcit", domain: nil})
"Thomas (tcit)"
iex> display_name_and_username(%Actor{name: "Thomas C", preferred_username: "tcit", domain: "framapiaf.org"})
"Thomas (tcit@framapiaf.org)"
iex> display_name_and_username(%Actor{name: nil, preferred_username: "tcit", domain: "framapiaf.org"})
"tcit@framapiaf.org"
"""
@spec display_name_and_username(struct()) :: String.t()
def display_name_and_username(%Actor{name: nil} = actor), do: actor_acct_from_actor(actor)
def display_name_and_username(%Actor{name: ""} = actor), do: actor_acct_from_actor(actor)
def display_name_and_username(%Actor{name: name} = actor),
do: name <> " (" <> actor_acct_from_actor(actor) <> ")"
@doc """
Clear multiple caches for an actor
"""
# TODO: move to MobilizonWeb
@spec clear_cache(struct()) :: {:ok, true}
def clear_cache(%Actor{preferred_username: preferred_username, domain: nil}) do
Cachex.del(:activity_pub, "actor_" <> preferred_username)
Cachex.del(:feed, "actor_" <> preferred_username)
Cachex.del(:ics, "actor_" <> preferred_username)
end
@spec build_relay_creation_attrs(map) :: map
defp build_relay_creation_attrs(%{url: url, preferred_username: preferred_username}) do
%{
"name" => Config.get([:instance, :name], "Mobilizon"),
"summary" =>
Config.get(
[:instance, :description],
"An internal service actor for this Mobilizon instance"
),
"url" => url,
"keys" => Crypto.generate_rsa_2048_private_key(),
"preferred_username" => preferred_username,
"domain" => nil,
"inbox_url" => "#{MobilizonWeb.Endpoint.url()}/inbox",
"followers_url" => "#{url}/followers",
"following_url" => "#{url}/following",
"shared_inbox_url" => "#{MobilizonWeb.Endpoint.url()}/inbox",
"type" => :Application
}
end
end

1055
lib/mobilizon/actors/actors.ex
View File

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22
lib/mobilizon/actors/bot.ex
View File

@@ -1,15 +1,30 @@
defmodule Mobilizon.Actors.Bot do
@moduledoc """
Represents a local bot
Represents a local bot.
"""
use Ecto.Schema
import Ecto.Changeset
alias Mobilizon.Actors.Actor
alias Mobilizon.Users.User
@type t :: %__MODULE__{
source: String.t(),
type: String.t(),
actor: Actor.t(),
user: User.t()
}
@required_attrs [:source]
@optional_attrs [:type, :actor_id, :user_id]
@attrs @required_attrs ++ @optional_attrs
schema "bots" do
field(:source, :string)
field(:type, :string, default: :ics)
belongs_to(:actor, Actor)
belongs_to(:user, User)
@@ -17,9 +32,10 @@ defmodule Mobilizon.Actors.Bot do
end
@doc false
@spec changeset(t | Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
def changeset(bot, attrs) do
bot
|> cast(attrs, [:source, :type, :actor_id, :user_id])
|> validate_required([:source])
|> cast(attrs, @attrs)
|> validate_required(@required_attrs)
end
end

53
lib/mobilizon/actors/follower.ex
View File

@@ -1,52 +1,63 @@
defmodule Mobilizon.Actors.Follower do
@moduledoc """
Represents the following of an actor to another actor
Represents the following of an actor to another actor.
"""
use Ecto.Schema
import Ecto.Changeset
alias Mobilizon.Actors.Follower
alias Mobilizon.Actors.Actor
@primary_key {:id, :binary_id, autogenerate: true}
@type t :: %__MODULE__{
approved: boolean,
url: String.t(),
target_actor: Actor.t(),
actor: Actor.t()
}
@required_attrs [:url, :approved, :target_actor_id, :actor_id]
@attrs @required_attrs
@primary_key {:id, :binary_id, autogenerate: true}
schema "followers" do
field(:approved, :boolean, default: false)
field(:url, :string)
belongs_to(:target_actor, Actor)
belongs_to(:actor, Actor)
end
@doc false
def changeset(%Follower{} = member, attrs) do
member
|> cast(attrs, [:url, :approved, :target_actor_id, :actor_id])
|> generate_url()
|> validate_required([:url, :approved, :target_actor_id, :actor_id])
|> unique_constraint(:target_actor_id, name: :followers_actor_target_actor_unique_index)
@spec changeset(t | Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
def changeset(follower, attrs) do
follower
|> cast(attrs, @attrs)
|> ensure_url()
|> validate_required(@required_attrs)
|> unique_constraint(:target_actor_id,
name: :followers_actor_target_actor_unique_index
)
end
# If there's a blank URL that's because we're doing the first insert
defp generate_url(%Ecto.Changeset{data: %Follower{url: nil}} = changeset) do
@spec ensure_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
defp ensure_url(%Ecto.Changeset{data: %__MODULE__{url: nil}} = changeset) do
case fetch_change(changeset, :url) do
{:ok, _url} -> changeset
:error -> do_generate_url(changeset)
:error -> generate_url(changeset)
end
end
# Most time just go with the given URL
defp generate_url(%Ecto.Changeset{} = changeset), do: changeset
defp ensure_url(%Ecto.Changeset{} = changeset), do: changeset
defp do_generate_url(%Ecto.Changeset{} = changeset) do
@spec generate_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
defp generate_url(%Ecto.Changeset{} = changeset) do
uuid = Ecto.UUID.generate()
changeset
|> put_change(
:url,
"#{MobilizonWeb.Endpoint.url()}/follow/#{uuid}"
)
|> put_change(
:id,
uuid
)
|> put_change(:id, uuid)
|> put_change(:url, "#{MobilizonWeb.Endpoint.url()}/follow/#{uuid}")
end
end

99
lib/mobilizon/actors/member.ex
View File

@@ -1,100 +1,59 @@
import EctoEnum
defenum(Mobilizon.Actors.MemberRoleEnum, :member_role_type, [
:not_approved,
:member,
:moderator,
:administrator,
:creator
])
defmodule Mobilizon.Actors.Member do
@moduledoc """
Represents the membership of an actor to a group
Represents the membership of an actor to a group.
"""
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Mobilizon.Actors.{Actor, Member}
alias Mobilizon.Storage.{Page, Repo}
alias Mobilizon.Actors.{Actor, Member, MemberRole}
@type t :: %__MODULE__{
role: MemberRole.t(),
parent: Actor.t(),
actor: Actor.t()
}
@required_attrs [:parent_id, :actor_id]
@optional_attrs [:role]
@attrs @required_attrs ++ @optional_attrs
schema "members" do
field(:role, Mobilizon.Actors.MemberRoleEnum, default: :member)
field(:role, MemberRole, default: :member)
belongs_to(:parent, Actor)
belongs_to(:actor, Actor)
timestamps()
end
@doc false
def changeset(%Member{} = member, attrs) do
member
|> cast(attrs, [:role, :parent_id, :actor_id])
|> validate_required([:parent_id, :actor_id])
|> unique_constraint(:parent_id, name: :members_actor_parent_unique_index)
end
@doc """
Gets a single member of an actor (for example a group)
Gets the default member role depending on the actor openness.
"""
def get_member(actor_id, parent_id) do
case Repo.get_by(Member, actor_id: actor_id, parent_id: parent_id) do
nil -> {:error, :member_not_found}
member -> {:ok, member}
end
end
@spec get_default_member_role(Actor.t()) :: atom
def get_default_member_role(%Actor{openness: :open}), do: :member
def get_default_member_role(%Actor{}), do: :not_approved
@doc """
Gets a single member of an actor (for example a group)
Checks whether the actor can be joined to the group.
"""
def can_be_joined(%Actor{type: :Group, openness: :invite_only}), do: false
def can_be_joined(%Actor{type: :Group}), do: true
@doc """
Returns the list of administrator members for a group.
"""
def list_administrator_members_for_group(id, page \\ nil, limit \\ nil) do
Repo.all(
from(
m in Member,
where: m.parent_id == ^id and (m.role == ^:creator or m.role == ^:administrator),
preload: [:actor]
)
|> Page.paginate(page, limit)
)
end
@doc """
Get all group ids where the actor_id is the last administrator
"""
def list_group_id_where_last_administrator(actor_id) do
in_query =
from(
m in Member,
where: m.actor_id == ^actor_id and (m.role == ^:creator or m.role == ^:administrator),
select: m.parent_id
)
Repo.all(
from(
m in Member,
where: m.role == ^:creator or m.role == ^:administrator,
join: m2 in subquery(in_query),
on: m.parent_id == m2.parent_id,
group_by: m.parent_id,
select: m.parent_id,
having: count(m.actor_id) == 1
)
)
end
@doc """
Returns true if the member is an administrator (admin or creator) of the group
Checks whether the member is an administrator (admin or creator) of the group.
"""
def is_administrator(%Member{role: :administrator}), do: {:is_admin, true}
def is_administrator(%Member{role: :creator}), do: {:is_admin, true}
def is_administrator(%Member{}), do: {:is_admin, false}
@doc false
@spec changeset(t | Ecto.Changeset.t(), map) :: Ecto.Changeset.t()
def changeset(member, attrs) do
member
|> cast(attrs, @attrs)
|> validate_required(@required_attrs)
|> unique_constraint(:parent_id, name: :members_actor_parent_unique_index)
end
end

12
lib/mobilizon/addresses/addresses.ex
View File

@@ -18,12 +18,6 @@ defmodule Mobilizon.Addresses do
@spec query(Ecto.Query.t(), map) :: Ecto.Query.t()
def query(queryable, _params), do: queryable
@doc """
Returns the list of addresses.
"""
@spec list_addresses :: [Address.t()]
def list_addresses, do: Repo.all(Address)
@doc """
Gets a single address.
"""
@@ -72,6 +66,12 @@ defmodule Mobilizon.Addresses do
@spec delete_address(Address.t()) :: {:ok, Address.t()} | {:error, Ecto.Changeset.t()}
def delete_address(%Address{} = address), do: Repo.delete(address)
@doc """
Returns the list of addresses.
"""
@spec list_addresses :: [Address.t()]
def list_addresses, do: Repo.all(Address)
@doc """
Searches addresses.

20
lib/mobilizon/admin/admin.ex
View File

@@ -8,16 +8,6 @@ defmodule Mobilizon.Admin do
alias Mobilizon.Admin.ActionLog
alias Mobilizon.Storage.{Page, Repo}
@doc """
Returns the list of action logs.
"""
@spec list_action_logs(integer | nil, integer | nil) :: [ActionLog.t()]
def list_action_logs(page \\ nil, limit \\ nil) do
list_action_logs_query()
|> Page.paginate(page, limit)
|> Repo.all()
end
@doc """
Creates a action_log.
"""
@@ -28,6 +18,16 @@ defmodule Mobilizon.Admin do
|> Repo.insert()
end
@doc """
Returns the list of action logs.
"""
@spec list_action_logs(integer | nil, integer | nil) :: [ActionLog.t()]
def list_action_logs(page \\ nil, limit \\ nil) do
list_action_logs_query()
|> Page.paginate(page, limit)
|> Repo.all()
end
@spec list_action_logs_query :: Ecto.Query.t()
defp list_action_logs_query do
from(r in ActionLog, preload: [:actor])

13
lib/mobilizon/crypto.ex
View File

@@ -12,4 +12,17 @@ defmodule Mobilizon.Crypto do
|> :crypto.strong_rand_bytes()
|> Base.url_encode64()
end
@doc """
Generate RSA 2048-bit private key.
"""
@spec generate_rsa_2048_private_key :: String.t()
def generate_rsa_2048_private_key do
key = :public_key.generate_key({:rsa, 2048, 65_537})
entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
[entry]
|> :public_key.pem_encode()
|> String.trim_trailing()
end
end

48
lib/mobilizon/reports/reports.ex
View File

@@ -21,17 +21,6 @@ defmodule Mobilizon.Reports do
@spec query(Ecto.Query.t(), map) :: Ecto.Query.t()
def query(queryable, _params), do: queryable
@doc """
Returns the list of reports.
"""
@spec list_reports(integer | nil, integer | nil, atom, atom) :: [Report.t()]
def list_reports(page \\ nil, limit \\ nil, sort \\ :updated_at, direction \\ :asc) do
list_reports_query()
|> Page.paginate(page, limit)
|> sort(sort, direction)
|> Repo.all()
end
@doc """
Gets a single report.
"""
@@ -90,17 +79,16 @@ defmodule Mobilizon.Reports do
Deletes a report.
"""
@spec delete_report(Report.t()) :: {:ok, Report.t()} | {:error, Ecto.Changeset.t()}
def delete_report(%Report{} = report) do
Repo.delete(report)
end
def delete_report(%Report{} = report), do: Repo.delete(report)
@doc """
Returns the list of notes for a report.
Returns the list of reports.
"""
@spec list_notes_for_report(Report.t()) :: [Note.t()]
def list_notes_for_report(%Report{id: report_id}) do
report_id
|> list_notes_for_report_query()
@spec list_reports(integer | nil, integer | nil, atom, atom) :: [Report.t()]
def list_reports(page \\ nil, limit \\ nil, sort \\ :updated_at, direction \\ :asc) do
list_reports_query()
|> Page.paginate(page, limit)
|> sort(sort, direction)
|> Repo.all()
end
@@ -134,8 +122,21 @@ defmodule Mobilizon.Reports do
Deletes a note.
"""
@spec delete_note(Note.t()) :: {:ok, Note.t()} | {:error, Ecto.Changeset.t()}
def delete_note(%Note{} = note) do
Repo.delete(note)
def delete_note(%Note{} = note), do: Repo.delete(note)
@doc """
Returns the list of notes for a report.
"""
@spec list_notes_for_report(Report.t()) :: [Note.t()]
def list_notes_for_report(%Report{id: report_id}) do
report_id
|> list_notes_for_report_query()
|> Repo.all()
end
@spec report_by_url_query(String.t()) :: Ecto.Query.t()
defp report_by_url_query(url) do
from(r in Report, where: r.uri == ^url)
end
@spec list_reports_query :: Ecto.Query.t()
@@ -146,11 +147,6 @@ defmodule Mobilizon.Reports do
)
end
@spec report_by_url_query(String.t()) :: Ecto.Query.t()
defp report_by_url_query(url) do
from(r in Report, where: r.uri == ^url)
end
@spec list_notes_for_report_query(integer | String.t()) :: Ecto.Query.t()
defp list_notes_for_report_query(report_id) do
from(

8
lib/mobilizon/users/users.ex
View File

@@ -101,9 +101,7 @@ defmodule Mobilizon.Users do
Deletes an user.
"""
@spec delete_user(User.t()) :: {:ok, User.t()} | {:error, Ecto.Changeset.t()}
def delete_user(%User{} = user) do
Repo.delete(user)
end
def delete_user(%User{} = user), do: Repo.delete(user)
@doc """
Get an user with its actors
@@ -219,9 +217,7 @@ defmodule Mobilizon.Users do
Counts users.
"""
@spec count_users :: integer
def count_users do
Repo.one(from(u in User, select: count(u.id)))
end
def count_users, do: Repo.one(from(u in User, select: count(u.id)))
@doc """
Authenticate an user.

2
lib/mobilizon_web/api/follows.ex
View File

@@ -32,7 +32,7 @@ defmodule MobilizonWeb.API.Follows do
def accept(%Actor{} = follower, %Actor{} = followed) do
with %Follower{approved: false, id: follow_id, url: follow_url} = follow <-
Actor.following?(follower, followed),
Actors.following?(follower, followed),
activity_follow_url <- "#{MobilizonWeb.Endpoint.url()}/accept/follow/#{follow_id}",
data <-
ActivityPub.Utils.make_follow_data(followed, follower, follow_url),

76
lib/mobilizon_web/api/search.ex
View File

@@ -1,20 +1,21 @@
defmodule MobilizonWeb.API.Search do
@moduledoc """
API for Search
API for search.
"""
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Actors.ActorType
alias Mobilizon.Events
alias Mobilizon.Events.{Event, Comment}
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Storage.Page
require Logger
@doc """
Search actors
Searches actors.
"""
@spec search_actors(String.t(), integer(), integer(), String.t()) ::
{:ok, %{total: integer(), elements: list(Actor.t())}} | {:error, any()}
@spec search_actors(String.t(), integer | nil, integer | nil, ActorType.t()) ::
{:ok, Page.t()} | {:error, String.t()}
def search_actors(search, page \\ 1, limit \\ 10, result_type) do
search = String.trim(search)
@@ -22,31 +23,33 @@ defmodule MobilizonWeb.API.Search do
search == "" ->
{:error, "Search can't be empty"}
# Some URLs could be domain.tld/@username, so keep this condition above handle_search? function
url_search?(search) ->
# If this is not an actor, skip
# Some URLs could be domain.tld/@username, so keep this condition above
# the `is_handle` function
is_url(search) ->
# skip, if it's not an actor
case process_from_url(search) do
%{:total => total, :elements => [%Actor{}] = elements} ->
{:ok, %{total: total, elements: elements}}
%Page{total: _total, elements: _elements} = page ->
{:ok, page}
_ ->
{:ok, %{total: 0, elements: []}}
end
handle_search?(search) ->
is_handle(search) ->
{:ok, process_from_username(search)}
true ->
{:ok,
Actors.find_and_count_actors_by_username_or_name(search, [result_type], page, limit)}
page = Actors.build_actors_by_username_or_name_page(search, [result_type], page, limit)
{:ok, page}
end
end
@doc """
Search events
"""
@spec search_events(String.t(), integer(), integer()) ::
{:ok, %{total: integer(), elements: list(Event.t())}} | {:error, any()}
@spec search_events(String.t(), integer | nil, integer | nil) ::
{:ok, Page.t()} | {:error, String.t()}
def search_events(search, page \\ 1, limit \\ 10) do
search = String.trim(search)
@@ -54,11 +57,11 @@ defmodule MobilizonWeb.API.Search do
search == "" ->
{:error, "Search can't be empty"}
url_search?(search) ->
# If this is not an event, skip
is_url(search) ->
# skip, if it's w not an actor
case process_from_url(search) do
{total = total, [%Event{} = elements]} ->
{:ok, %{total: total, elements: elements}}
%Page{total: _total, elements: _elements} = page ->
{:ok, page}
_ ->
{:ok, %{total: 0, elements: []}}
@@ -70,43 +73,36 @@ defmodule MobilizonWeb.API.Search do
end
# If the search string is an username
@spec process_from_username(String.t()) :: %{total: integer(), elements: [Actor.t()]}
@spec process_from_username(String.t()) :: Page.t()
defp process_from_username(search) do
case ActivityPub.find_or_make_actor_from_nickname(search) do
{:ok, actor} ->
%{total: 1, elements: [actor]}
%Page{total: 1, elements: [actor]}
{:error, _err} ->
Logger.debug(fn -> "Unable to find or make actor '#{search}'" end)
%{total: 0, elements: []}
%Page{total: 0, elements: []}
end
end
# If the search string is an URL
@spec process_from_url(String.t()) :: %{
total: integer(),
elements: [Actor.t() | Event.t() | Comment.t()]
}
@spec process_from_url(String.t()) :: Page.t()
defp process_from_url(search) do
case ActivityPub.fetch_object_from_url(search) do
{:ok, object} ->
%{total: 1, elements: [object]}
%Page{total: 1, elements: [object]}
{:error, _err} ->
Logger.debug(fn -> "Unable to find or make object from URL '#{search}'" end)
%{total: 0, elements: []}
%Page{total: 0, elements: []}
end
end
# Is the search an URL search?
@spec url_search?(String.t()) :: boolean
defp url_search?(search) do
String.starts_with?(search, "https://") or String.starts_with?(search, "http://")
end
@spec is_url(String.t()) :: boolean
defp is_url(search), do: String.starts_with?(search, ["http://", "https://"])
# Is the search an handle search?
@spec handle_search?(String.t()) :: boolean
defp handle_search?(search) do
String.match?(search, ~r/@/)
end
@spec is_handle(String.t()) :: boolean
defp is_handle(search), do: String.match?(search, ~r/@/)
end

8
lib/mobilizon_web/controllers/activity_pub_controller.ex
View File

@@ -31,7 +31,7 @@ defmodule MobilizonWeb.ActivityPubController do
def following(conn, %{"name" => name, "page" => page}) do
with {page, ""} <- Integer.parse(page),
%Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
%Actor{} = actor <- Actors.get_local_actor_by_name_with_preload(name) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ActorView.render("following.json", %{actor: actor, page: page}))
@@ -39,7 +39,7 @@ defmodule MobilizonWeb.ActivityPubController do
end
def following(conn, %{"name" => name}) do
with %Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
with %Actor{} = actor <- Actors.get_local_actor_by_name_with_preload(name) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ActorView.render("following.json", %{actor: actor}))
@@ -48,7 +48,7 @@ defmodule MobilizonWeb.ActivityPubController do
def followers(conn, %{"name" => name, "page" => page}) do
with {page, ""} <- Integer.parse(page),
%Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
%Actor{} = actor <- Actors.get_local_actor_by_name_with_preload(name) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ActorView.render("followers.json", %{actor: actor, page: page}))
@@ -56,7 +56,7 @@ defmodule MobilizonWeb.ActivityPubController do
end
def followers(conn, %{"name" => name}) do
with %Actor{} = actor <- Actors.get_local_actor_by_name_with_everything(name) do
with %Actor{} = actor <- Actors.get_local_actor_by_name_with_preload(name) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ActorView.render("followers.json", %{actor: actor}))

10
lib/mobilizon_web/resolvers/group.ex
View File

@@ -76,7 +76,7 @@ defmodule MobilizonWeb.Resolvers.Group do
) do
with {:ok, %Actor{} = group} <- Actors.get_group_by_actor_id(group_id),
{:is_owned, %Actor{}} <- User.owns_actor(user, actor_id),
{:ok, %Member{} = member} <- Member.get_member(actor_id, group.id),
{:ok, %Member{} = member} <- Actors.get_member(actor_id, group.id),
{:is_admin, true} <- Member.is_administrator(member),
group <- Actors.delete_group!(group) do
{:ok, %{id: group.id}}
@@ -109,9 +109,9 @@ defmodule MobilizonWeb.Resolvers.Group do
) do
with {:is_owned, %Actor{} = actor} <- User.owns_actor(user, actor_id),
{:ok, %Actor{} = group} <- Actors.get_group_by_actor_id(group_id),
{:error, :member_not_found} <- Member.get_member(actor.id, group.id),
{:error, :member_not_found} <- Actors.get_member(actor.id, group.id),
{:is_able_to_join, true} <- {:is_able_to_join, Member.can_be_joined(group)},
role <- Mobilizon.Actors.get_default_member_role(group),
role <- Member.get_default_member_role(group),
{:ok, _} <- Actors.create_member(%{parent_id: group.id, actor_id: actor.id, role: role}) do
{
:ok,
@@ -149,7 +149,7 @@ defmodule MobilizonWeb.Resolvers.Group do
%{context: %{current_user: user}}
) do
with {:is_owned, %Actor{} = actor} <- User.owns_actor(user, actor_id),
{:ok, %Member{} = member} <- Member.get_member(actor.id, group_id),
{:ok, %Member{} = member} <- Actors.get_member(actor.id, group_id),
{:only_administrator, false} <-
{:only_administrator, check_that_member_is_not_last_administrator(group_id, actor_id)},
{:ok, _} <-
@@ -176,7 +176,7 @@ defmodule MobilizonWeb.Resolvers.Group do
# and that it's the actor requesting leaving the group we return true
@spec check_that_member_is_not_last_administrator(integer(), integer()) :: boolean()
defp check_that_member_is_not_last_administrator(group_id, actor_id) do
case Member.list_administrator_members_for_group(group_id) do
case Actors.list_administrator_members_for_group(group_id) do
[%Member{actor: %Actor{id: member_actor_id}}] ->
actor_id == member_actor_id

9
lib/mobilizon_web/resolvers/person.ex
View File

@@ -2,12 +2,13 @@ defmodule MobilizonWeb.Resolvers.Person do
@moduledoc """
Handles the person-related GraphQL calls
"""
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, Member}
alias Mobilizon.Users.User
alias Mobilizon.Users
alias Mobilizon.Actors.Actor
alias Mobilizon.Events
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Users
alias Mobilizon.Users.User
@doc """
Find a person
@@ -206,7 +207,7 @@ defmodule MobilizonWeb.Resolvers.Person do
# We check that the actor is not the last administrator/creator of a group
@spec last_admin_of_a_group?(integer()) :: boolean()
defp last_admin_of_a_group?(actor_id) do
length(Member.list_group_id_where_last_administrator(actor_id)) > 0
length(Actors.list_group_id_where_last_administrator(actor_id)) > 0
end
@spec proxify_avatar(Actor.t()) :: Actor.t()

4
lib/mobilizon_web/resolvers/report.ex
View File

@@ -91,7 +91,7 @@ defmodule MobilizonWeb.Resolvers.Report do
when is_moderator(role) do
with {:is_owned, %Actor{}} <- User.owns_actor(user, moderator_id),
%Report{} = report <- Reports.get_report(report_id),
%Actor{} = moderator <- Actors.get_local_actor_with_everything(moderator_id),
%Actor{} = moderator <- Actors.get_local_actor_with_preload(moderator_id),
{:ok, %Note{} = note} <-
MobilizonWeb.API.Reports.create_report_note(report, moderator, content) do
{:ok, note}
@@ -106,7 +106,7 @@ defmodule MobilizonWeb.Resolvers.Report do
when is_moderator(role) do
with {:is_owned, %Actor{}} <- User.owns_actor(user, moderator_id),
%Note{} = note <- Reports.get_note(note_id),
%Actor{} = moderator <- Actors.get_local_actor_with_everything(moderator_id),
%Actor{} = moderator <- Actors.get_local_actor_with_preload(moderator_id),
{:ok, %Note{} = note} <-
MobilizonWeb.API.Reports.delete_report_note(note, moderator) do
{:ok, %{id: note.id}}

21
lib/mobilizon_web/views/activity_pub/actor_view.ex
View File

@@ -1,6 +1,7 @@
defmodule MobilizonWeb.ActivityPub.ActorView do
use MobilizonWeb, :view
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Utils
@@ -47,8 +48,8 @@ defmodule MobilizonWeb.ActivityPub.ActorView do
def render("following.json", %{actor: actor, page: page}) do
%{total: total, elements: following} =
if Actor.public_visibility?(actor),
do: Actor.get_followings(actor, page),
if Actor.is_public_visibility(actor),
do: Actors.get_followings(actor, page),
else: @private_visibility_empty_collection
following
@@ -58,8 +59,8 @@ defmodule MobilizonWeb.ActivityPub.ActorView do
def render("following.json", %{actor: actor}) do
%{total: total, elements: following} =
if Actor.public_visibility?(actor),
do: Actor.get_followings(actor),
if Actor.is_public_visibility(actor),
do: Actors.get_followings(actor),
else: @private_visibility_empty_collection
%{
@@ -73,8 +74,8 @@ defmodule MobilizonWeb.ActivityPub.ActorView do
def render("followers.json", %{actor: actor, page: page}) do
%{total: total, elements: followers} =
if Actor.public_visibility?(actor),
do: Actor.get_followers(actor, page),
if Actor.is_public_visibility(actor),
do: Actors.get_followers(actor, page),
else: @private_visibility_empty_collection
followers
@@ -84,8 +85,8 @@ defmodule MobilizonWeb.ActivityPub.ActorView do
def render("followers.json", %{actor: actor}) do
%{total: total, elements: followers} =
if Actor.public_visibility?(actor),
do: Actor.get_followers(actor),
if Actor.is_public_visibility(actor),
do: Actors.get_followers(actor),
else: @private_visibility_empty_collection
%{
@@ -99,7 +100,7 @@ defmodule MobilizonWeb.ActivityPub.ActorView do
def render("outbox.json", %{actor: actor, page: page}) do
%{total: total, elements: followers} =
if Actor.public_visibility?(actor),
if Actor.is_public_visibility(actor),
do: ActivityPub.fetch_public_activities_for_actor(actor, page),
else: @private_visibility_empty_collection
@@ -110,7 +111,7 @@ defmodule MobilizonWeb.ActivityPub.ActorView do
def render("outbox.json", %{actor: actor}) do
%{total: total, elements: followers} =
if Actor.public_visibility?(actor),
if Actor.is_public_visibility(actor),
do: ActivityPub.fetch_public_activities_for_actor(actor),
else: @private_visibility_empty_collection

31
lib/service/activity_pub/activity_pub.ex
View File

@@ -113,6 +113,29 @@ defmodule Mobilizon.Service.ActivityPub do
end
end
@doc """
Getting an actor from url, eventually creating it
"""
@spec get_or_fetch_by_url(String.t(), boolean) :: {:ok, Actor.t()} | {:error, String.t()}
def get_or_fetch_by_url(url, preload \\ false) do
case Actors.get_actor_by_url(url, preload) do
{:ok, %Actor{} = actor} ->
{:ok, actor}
_ ->
case make_actor_from_url(url, preload) do
{:ok, %Actor{} = actor} ->
{:ok, actor}
_ ->
Logger.warn("Could not fetch by AP id")
{:error, "Could not fetch by AP id"}
end
end
end
@doc """
Create an activity of type "Create"
"""
@@ -279,7 +302,7 @@ defmodule Mobilizon.Service.ActivityPub do
"""
def follow(%Actor{} = follower, %Actor{} = followed, activity_id \\ nil, local \\ true) do
with {:ok, %Follower{url: follow_url}} <-
Actor.follow(followed, follower, activity_id, false),
Actors.follow(followed, follower, activity_id, false),
activity_follow_id <-
activity_id || follow_url,
data <- make_follow_data(followed, follower, activity_follow_id),
@@ -298,7 +321,7 @@ defmodule Mobilizon.Service.ActivityPub do
"""
@spec unfollow(Actor.t(), Actor.t(), String.t(), boolean()) :: {:ok, map()} | any()
def unfollow(%Actor{} = follower, %Actor{} = followed, activity_id \\ nil, local \\ true) do
with {:ok, %Follower{id: follow_id}} <- Actor.unfollow(followed, follower),
with {:ok, %Follower{id: follow_id}} <- Actors.unfollow(followed, follower),
# We recreate the follow activity
data <-
make_follow_data(
@@ -466,7 +489,7 @@ defmodule Mobilizon.Service.ActivityPub do
def make_actor_from_url(url, preload \\ false) do
case fetch_and_prepare_actor_from_url(url) do
{:ok, data} ->
Actors.insert_or_update_actor(data, preload)
Actors.upsert_actor(data, preload)
# Request returned 410
{:error, :actor_deleted} ->
@@ -529,7 +552,7 @@ defmodule Mobilizon.Service.ActivityPub do
followers =
if actor.followers_url in activity.recipients do
Actor.get_full_external_followers(actor)
Actors.get_full_external_followers(actor)
else
[]
end

3
lib/service/activity_pub/converters/comment.ex
View File

@@ -4,7 +4,6 @@ defmodule Mobilizon.Service.ActivityPub.Converters.Comment do
This module allows to convert events from ActivityStream format to our own internal one, and back
"""
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Events.Comment, as: CommentModel
alias Mobilizon.Events.Event
@@ -20,7 +19,7 @@ defmodule Mobilizon.Service.ActivityPub.Converters.Comment do
@impl Converter
@spec as_to_model_data(map()) :: map()
def as_to_model_data(object) do
{:ok, %Actor{id: actor_id}} = Actors.get_or_fetch_by_url(object["actor"])
{:ok, %Actor{id: actor_id}} = ActivityPub.get_or_fetch_by_url(object["actor"])
Logger.debug("Inserting full comment")
Logger.debug(inspect(object))

8
lib/service/activity_pub/relay.ex
View File

@@ -24,7 +24,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
def follow(target_instance) do
with %Actor{} = local_actor <- get_actor(),
{:ok, %Actor{} = target_actor} <- Actors.get_or_fetch_by_url(target_instance),
{:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_by_url(target_instance),
{:ok, activity} <- Follows.follow(local_actor, target_actor) do
Logger.info("Relay: followed instance #{target_instance}; id=#{activity.data["id"]}")
{:ok, activity}
@@ -37,7 +37,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
def unfollow(target_instance) do
with %Actor{} = local_actor <- get_actor(),
{:ok, %Actor{} = target_actor} <- Actors.get_or_fetch_by_url(target_instance),
{:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_by_url(target_instance),
{:ok, activity} <- Follows.unfollow(local_actor, target_actor) do
Logger.info("Relay: unfollowed instance #{target_instance}: id=#{activity.data["id"]}")
{:ok, activity}
@@ -50,7 +50,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
def accept(target_instance) do
with %Actor{} = local_actor <- get_actor(),
{:ok, %Actor{} = target_actor} <- Actors.get_or_fetch_by_url(target_instance),
{:ok, %Actor{} = target_actor} <- ActivityPub.get_or_fetch_by_url(target_instance),
{:ok, activity} <- Follows.accept(target_actor, local_actor) do
{:ok, activity}
end
@@ -58,7 +58,7 @@ defmodule Mobilizon.Service.ActivityPub.Relay do
# def reject(target_instance) do
# with %Actor{} = local_actor <- get_actor(),
# {:ok, %Actor{} = target_actor} <- Actors.get_or_fetch_by_url(target_instance),
# {:ok, %Actor{} = target_actor} <- Activity.get_or_fetch_by_url(target_instance),
# {:ok, activity} <- Follows.reject(target_actor, local_actor) do
# {:ok, activity}
# end

18
lib/service/activity_pub/transmogrifier.ex
View File

@@ -139,7 +139,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
Logger.info("Handle incoming to create notes")
with {:ok, %Actor{} = actor} <- Actors.get_or_fetch_by_url(data["actor"]) do
with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(data["actor"]) do
Logger.debug("found actor")
Logger.debug(inspect(actor))
@@ -163,7 +163,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Event"} = object} = data) do
Logger.info("Handle incoming to create event")
with {:ok, %Actor{} = actor} <- Actors.get_or_fetch_by_url(data["actor"]) do
with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(data["actor"]) do
Logger.debug("found actor")
Logger.debug(inspect(actor))
@@ -187,8 +187,8 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
def handle_incoming(
%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = _data
) do
with {:ok, %Actor{} = followed} <- Actors.get_or_fetch_by_url(followed, true),
{:ok, %Actor{} = follower} <- Actors.get_or_fetch_by_url(follower),
with {:ok, %Actor{} = followed} <- ActivityPub.get_or_fetch_by_url(followed, true),
{:ok, %Actor{} = follower} <- ActivityPub.get_or_fetch_by_url(follower),
{:ok, activity, object} <- ActivityPub.follow(follower, followed, id, false) do
{:ok, activity, object}
else
@@ -207,7 +207,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
} = data
) do
with actor_url <- get_actor(data),
{:ok, %Actor{} = actor} <- Actors.get_or_fetch_by_url(actor_url),
{:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor_url),
{:object_not_found, {:ok, activity, object}} <-
{:object_not_found,
do_handle_incoming_accept_following(accepted_object, actor) ||
@@ -236,7 +236,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
%{"type" => "Reject", "object" => rejected_object, "actor" => _actor, "id" => id} = data
) do
with actor_url <- get_actor(data),
{:ok, %Actor{} = actor} <- Actors.get_or_fetch_by_url(actor_url),
{:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor_url),
{:object_not_found, {:ok, activity, object}} <-
{:object_not_found,
do_handle_incoming_reject_following(rejected_object, actor) ||
@@ -279,7 +279,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
%{"type" => "Announce", "object" => object_id, "actor" => _actor, "id" => id} = data
) do
with actor <- get_actor(data),
{:ok, %Actor{} = actor} <- Actors.get_or_fetch_by_url(actor),
{:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor),
{:ok, object} <- fetch_obj_helper_as_activity_streams(object_id),
public <- Visibility.is_public?(data),
{:ok, activity, object} <- ActivityPub.announce(actor, object, id, false, public) do
@@ -347,7 +347,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
} = data
) do
with actor <- get_actor(data),
{:ok, %Actor{} = actor} <- Actors.get_or_fetch_by_url(actor),
{:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(actor),
{:ok, object} <- fetch_obj_helper_as_activity_streams(object_id),
{:ok, activity, object} <-
ActivityPub.unannounce(actor, object, id, cancelled_activity_id, false) do
@@ -451,7 +451,7 @@ defmodule Mobilizon.Service.ActivityPub.Transmogrifier do
# } = data
# ) do
# with actor <- get_actor(data),
# %Actor{} = actor <- Actors.get_or_fetch_by_url(actor),
# %Actor{} = actor <- ActivityPub.get_or_fetch_by_url(actor),
# {:ok, object} <- fetch_obj_helper(object_id) || fetch_obj_helper(object_id),
# {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
# {:ok, activity}

2
lib/service/export/feed.ex
View File

@@ -44,7 +44,7 @@ defmodule Mobilizon.Service.Export.Feed do
@spec fetch_actor_event_feed(String.t()) :: String.t()
defp fetch_actor_event_feed(name) do
with %Actor{} = actor <- Actors.get_local_actor_by_name(name),
{:visibility, true} <- {:visibility, Actor.public_visibility?(actor)},
{:visibility, true} <- {:visibility, Actor.is_public_visibility(actor)},
{:ok, events, _count} <- Events.get_public_events_for_actor(actor) do
{:ok, build_actor_feed(actor, events)}
else

2
lib/service/export/icalendar.ex
View File

@@ -44,7 +44,7 @@ defmodule Mobilizon.Service.Export.ICalendar do
"""
@spec export_public_actor(Actor.t()) :: String.t()
def export_public_actor(%Actor{} = actor) do
with true <- Actor.public_visibility?(actor),
with true <- Actor.is_public_visibility(actor),
{:ok, events, _} <- Events.get_public_events_for_actor(actor) do
{:ok, %ICalendar{events: events |> Enum.map(&do_export_event/1)} |> ICalendar.to_ics()}
end

55
lib/service/http_signatures/signature.ex
View File

@@ -7,20 +7,23 @@ defmodule Mobilizon.Service.HTTPSignatures.Signature do
@moduledoc """
Adapter for the `HTTPSignatures` lib that handles signing and providing public keys to verify HTTPSignatures
"""
@behaviour HTTPSignatures.Adapter
alias Mobilizon.Actors.Actor
alias Mobilizon.Service.ActivityPub
require Logger
def key_id_to_actor_url(key_id) do
uri =
URI.parse(key_id)
%{path: path} = uri =
key_id
|> URI.parse()
|> Map.put(:fragment, nil)
uri =
if not is_nil(uri.path) and String.ends_with?(uri.path, "/publickey") do
Map.put(uri, :path, String.replace(uri.path, "/publickey", ""))
if not is_nil(path) do
Map.put(uri, :path, String.trim_trailing(path, "/publickey"))
else
uri
end
@@ -28,11 +31,47 @@ defmodule Mobilizon.Service.HTTPSignatures.Signature do
URI.to_string(uri)
end
@doc """
Convert internal PEM encoded keys to public key format.
"""
@spec prepare_public_key(String.t()) :: {:ok, tuple} | {:error, :pem_decode_error}
def prepare_public_key(public_key_code) do
case :public_key.pem_decode(public_key_code) do
[public_key_entry] ->
{:ok, :public_key.pem_entry_decode(public_key_entry)}
_ ->
{:error, :pem_decode_error}
end
end
@doc """
Gets a public key for a given ActivityPub actor ID (url).
"""
@spec get_public_key_for_url(String.t()) ::
{:ok, String.t()} | {:error, :actor_fetch_error | :pem_decode_error}
def get_public_key_for_url(url) do
with {:ok, %Actor{keys: keys}} <- ActivityPub.get_or_fetch_by_url(url),
{:ok, public_key} <- prepare_public_key(keys) do
{:ok, public_key}
else
{:error, :pem_decode_error} ->
Logger.error("Error while decoding PEM")
{:error, :pem_decode_error}
_ ->
Logger.error("Unable to fetch actor, so no keys for you")
{:error, :actor_fetch_error}
end
end
def fetch_public_key(conn) do
with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
actor_id <- key_id_to_actor_url(kid),
:ok <- Logger.debug("Fetching public key for #{actor_id}"),
{:ok, public_key} <- Actor.get_public_key_for_url(actor_id) do
{:ok, public_key} <- get_public_key_for_url(actor_id) do
{:ok, public_key}
else
e ->
@@ -45,7 +84,7 @@ defmodule Mobilizon.Service.HTTPSignatures.Signature do
actor_id <- key_id_to_actor_url(kid),
:ok <- Logger.debug("Refetching public key for #{actor_id}"),
{:ok, _actor} <- ActivityPub.make_actor_from_url(actor_id),
{:ok, public_key} <- Actor.get_public_key_for_url(actor_id) do
{:ok, public_key} <- get_public_key_for_url(actor_id) do
{:ok, public_key}
else
e ->
@@ -53,12 +92,12 @@ defmodule Mobilizon.Service.HTTPSignatures.Signature do
end
end
def sign(%Actor{} = actor, headers) do
def sign(%Actor{keys: keys} = actor, headers) do
Logger.debug("Signing on behalf of #{actor.url}")
Logger.debug("headers")
Logger.debug(inspect(headers))
with {:ok, key} <- actor.keys |> Actor.prepare_public_key() do
with {:ok, key} <- prepare_public_key(keys) do
HTTPSignatures.sign(key, actor.url <> "#main-key", headers)
end
end