defmodule Eventos.Actors do @moduledoc """ The Actors context. """ import Ecto.Query, warn: false alias Eventos.Repo alias Eventos.Actors.Actor alias Eventos.Actors alias Eventos.Service.ActivityPub @doc """ Returns the list of actors. ## Examples iex> list_actors() [%Actor{}, ...] """ def list_actors do Repo.all(Actor) end @doc """ Gets a single actor. Raises `Ecto.NoResultsError` if the Actor does not exist. ## Examples iex> get_actor!(123) %Actor{} iex> get_actor!(456) ** (Ecto.NoResultsError) """ def get_actor!(id) do Repo.get!(Actor, id) end def get_actor_with_everything!(id) do actor = Repo.get!(Actor, id) Repo.preload(actor, :organized_events) end @doc """ Creates a actor. ## Examples iex> create_actor(%{field: value}) {:ok, %Actor{}} iex> create_actor(%{field: bad_value}) {:error, %Ecto.Changeset{}} """ def create_actor(attrs \\ %{}) do %Actor{} |> Actor.changeset(attrs) |> Repo.insert() end @doc """ Updates a actor. ## Examples iex> update_actor(actor, %{field: new_value}) {:ok, %Actor{}} iex> update_actor(actor, %{field: bad_value}) {:error, %Ecto.Changeset{}} """ def update_actor(%Actor{} = actor, attrs) do actor |> Actor.changeset(attrs) |> Repo.update() end @doc """ Deletes a Actor. ## Examples iex> delete_actor(actor) {:ok, %Actor{}} iex> delete_actor(actor) {:error, %Ecto.Changeset{}} """ def delete_actor(%Actor{} = actor) do Repo.delete(actor) end @doc """ Returns an `%Ecto.Changeset{}` for tracking actor changes. ## Examples iex> change_actor(actor) %Ecto.Changeset{source: %Actor{}} """ def change_actor(%Actor{} = actor) do Actor.changeset(actor, %{}) end @doc """ Returns a text representation of a local actor like user@domain.tld """ def actor_to_local_name_and_domain(actor) do "#{actor.preferred_username}@#{Application.get_env(:my, EventosWeb.Endpoint)[:url][:host]}" end @doc """ Returns a webfinger representation of an actor """ def actor_to_webfinger_s(actor) do "acct:#{actor_to_local_name_and_domain(actor)}" end alias Eventos.Actors.User @doc """ Returns the list of users. ## Examples iex> list_users() [%User{}, ...] """ def list_users do Repo.all(User) end def list_users_with_actors do users = Repo.all(User) Repo.preload(users, :actor) end defp blank?(""), do: nil defp blank?(n), do: n def insert_or_update_actor(data) do cs = Actor.remote_actor_creation(data) Repo.insert(cs, on_conflict: [set: [public_key: data.public_key]], conflict_target: [:preferred_username, :domain]) end # def increase_event_count(%Actor{} = actor) do # event_count = (actor.info["event_count"] || 0) + 1 # new_info = Map.put(actor.info, "note_count", note_count) # # cs = info_changeset(actor, %{info: new_info}) # # update_and_set_cache(cs) # end def count_users() do Repo.one( from u in User, select: count(u.id) ) end @doc """ Gets a single user. Raises `Ecto.NoResultsError` if the User does not exist. ## Examples iex> get_user!(123) %User{} iex> get_user!(456) ** (Ecto.NoResultsError) """ def get_user!(id), do: Repo.get!(User, id) def get_user_with_actor!(id) do user = Repo.get!(User, id) Repo.preload(user, :actor) end def get_actor_by_url(url) do Repo.get_by(Actor, url: url) end def get_actor_by_name(name) do actor = case String.split(name, "@") do [name] -> Repo.get_by(Actor, preferred_username: name) [name, domain] -> Repo.get_by(Actor, preferred_username: name, domain: domain) end end def get_local_actor_by_name(name) do Repo.one from a in Actor, where: a.preferred_username == ^name and is_nil(a.domain) end def get_local_actor_by_name_with_everything(name) do actor = Repo.one from a in Actor, where: a.preferred_username == ^name and is_nil(a.domain) Repo.preload(actor, :organized_events) end def get_actor_by_name_with_everything(name) do actor = case String.split(name, "@") do [name] -> Repo.one from a in Actor, where: a.preferred_username == ^name and is_nil(a.domain) [name, domain] -> Repo.one from a in Actor, where: a.preferred_username == ^name and a.domain == ^domain end Repo.preload(actor, :organized_events) end def get_or_fetch_by_url(url) do if actor = get_actor_by_url(url) do actor else ap_try = ActivityPub.make_actor_from_url(url) case ap_try do {:ok, actor} -> actor _ -> {:error, "Could not fetch by AP id"} end end end @doc """ Find local users by it's username """ def find_local_by_username(username) do actors = Repo.all from a in Actor, where: (ilike(a.preferred_username, ^like_sanitize(username)) or ilike(a.name, ^like_sanitize(username))) and is_nil(a.domain) Repo.preload(actors, :organized_events) end @doc """ Find actors by their name or displayed name """ def find_actors_by_username(username) do Repo.all from a in Actor, where: ilike(a.preferred_username, ^like_sanitize(username)) or ilike(a.name, ^like_sanitize(username)) end @doc """ Sanitize the LIKE queries """ defp like_sanitize(value) do "%" <> String.replace(value, ~r/([\\%_])/, "\\1") <> "%" end @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/ def search(name) do case find_actors_by_username(name) do # find already saved accounts [] -> with true <- Regex.match?(@email_regex, name), # no accounts found, let's test if it's an username@domain.tld {:ok, actor} <- ActivityPub.find_or_make_actor_from_nickname(name) do # creating the actor in that case {:ok, [actor]} else false -> {:ok, []} {:error, err} -> {:error, err} # error fingering the actor end actors = [_|_] -> {:ok, actors} # actors already saved found ! end end @doc """ Get an user by email """ def find_by_email(email) do user = Repo.get_by(User, email: email) Repo.preload(user, :actor) end @doc """ Authenticate user """ def authenticate(%{user: user, password: password}) do # Does password match the one stored in the database? case Comeonin.Argon2.checkpw(password, user.password_hash) do true -> # Yes, create and return the token EventosWeb.Guardian.encode_and_sign(user) _ -> # No, return an error {:error, :unauthorized} end end @doc """ Register user """ def register(%{email: email, password: password, username: username}) do #{:ok, {privkey, pubkey}} = RsaEx.generate_keypair("4096") {:ok, rsa_priv_key} = ExPublicKey.generate_key() {:ok, rsa_pub_key} = ExPublicKey.public_key_from_private_key(rsa_priv_key) actor = Eventos.Actors.Actor.registration_changeset(%Eventos.Actors.Actor{}, %{ preferred_username: username, domain: nil, private_key: rsa_priv_key |> ExPublicKey.pem_encode(), public_key: rsa_pub_key |> ExPublicKey.pem_encode(), url: EventosWeb.Endpoint.url() <> "/@" <> username, }) user = Eventos.Actors.User.registration_changeset(%Eventos.Actors.User{}, %{ email: email, password: password }) actor_with_user = Ecto.Changeset.put_assoc(actor, :user, user) try do Eventos.Repo.insert!(actor_with_user) user = find_by_email(email) {:ok, user} rescue e in Ecto.InvalidChangesetError -> {:error, e.changeset.changes.user.errors} end end def register_bot_account(%{name: name, summary: summary}) do key = :public_key.generate_key({:rsa, 2048, 65537}) entry = :public_key.pem_entry_encode(:RSAPrivateKey, key) pem = :public_key.pem_encode([entry]) |> String.trim_trailing() {:ok, rsa_priv_key} = ExPublicKey.generate_key() {:ok, rsa_pub_key} = ExPublicKey.public_key_from_private_key(rsa_priv_key) actor = Eventos.Actors.Actor.registration_changeset(%Eventos.Actors.Actor{}, %{ preferred_username: name, domain: nil, private_key: pem, public_key: "toto", url: EventosWeb.Endpoint.url() <> "/@" <> name, summary: summary, type: :Service }) try do Eventos.Repo.insert!(actor) rescue e in Ecto.InvalidChangesetError -> {:error, e} end end @doc """ Creates a user. ## Examples iex> create_user(%{field: value}) {:ok, %User{}} iex> create_user(%{field: bad_value}) {:error, %Ecto.Changeset{}} """ def create_user(attrs \\ %{}) do %User{} |> User.registration_changeset(attrs) |> Repo.insert() end @doc """ Updates a user. ## Examples iex> update_user(user, %{field: new_value}) {:ok, %User{}} iex> update_user(user, %{field: bad_value}) {:error, %Ecto.Changeset{}} """ def update_user(%User{} = user, attrs) do user |> User.changeset(attrs) |> Repo.update() end @doc """ Deletes a User. ## Examples iex> delete_user(user) {:ok, %User{}} iex> delete_user(user) {:error, %Ecto.Changeset{}} """ def delete_user(%User{} = user) do Repo.delete(user) end @doc """ Returns an `%Ecto.Changeset{}` for tracking user changes. ## Examples iex> change_user(user) %Ecto.Changeset{source: %User{}} """ def change_user(%User{} = user) do User.changeset(user, %{}) end alias Eventos.Actors.Member @doc """ Returns the list of members. ## Examples iex> list_members() [%Member{}, ...] """ def list_members do Repo.all(Member) end @doc """ Gets a single member. Raises `Ecto.NoResultsError` if the Member does not exist. ## Examples iex> get_member!(123) %Member{} iex> get_member!(456) ** (Ecto.NoResultsError) """ def get_member!(id), do: Repo.get!(Member, id) @doc """ Creates a member. ## Examples iex> create_member(%{field: value}) {:ok, %Member{}} iex> create_member(%{field: bad_value}) {:error, %Ecto.Changeset{}} """ def create_member(attrs \\ %{}) do %Member{} |> Member.changeset(attrs) |> Repo.insert() end @doc """ Updates a member. ## Examples iex> update_member(member, %{field: new_value}) {:ok, %Member{}} iex> update_member(member, %{field: bad_value}) {:error, %Ecto.Changeset{}} """ def update_member(%Member{} = member, attrs) do member |> Member.changeset(attrs) |> Repo.update() end @doc """ Deletes a Member. ## Examples iex> delete_member(member) {:ok, %Member{}} iex> delete_member(member) {:error, %Ecto.Changeset{}} """ def delete_member(%Member{} = member) do Repo.delete(member) end @doc """ Returns an `%Ecto.Changeset{}` for tracking member changes. ## Examples iex> change_member(member) %Ecto.Changeset{source: %Member{}} """ def change_member(%Member{} = member) do Member.changeset(member, %{}) end alias Eventos.Actors.Bot @doc """ Returns the list of bots. ## Examples iex> list_bots() [%Bot{}, ...] """ def list_bots do Repo.all(Bot) end @doc """ Gets a single bot. Raises `Ecto.NoResultsError` if the Bot does not exist. ## Examples iex> get_bot!(123) %Bot{} iex> get_bot!(456) ** (Ecto.NoResultsError) """ def get_bot!(id), do: Repo.get!(Bot, id) @spec get_bot_by_actor(Actor.t) :: Bot.t def get_bot_by_actor(%Actor{} = actor) do Repo.get_by!(Bot, actor_id: actor.id) end @doc """ Creates a bot. ## Examples iex> create_bot(%{field: value}) {:ok, %Bot{}} iex> create_bot(%{field: bad_value}) {:error, %Ecto.Changeset{}} """ def create_bot(attrs \\ %{}) do %Bot{} |> Bot.changeset(attrs) |> Repo.insert() end @doc """ Updates a bot. ## Examples iex> update_bot(bot, %{field: new_value}) {:ok, %Bot{}} iex> update_bot(bot, %{field: bad_value}) {:error, %Ecto.Changeset{}} """ def update_bot(%Bot{} = bot, attrs) do bot |> Bot.changeset(attrs) |> Repo.update() end @doc """ Deletes a Bot. ## Examples iex> delete_bot(bot) {:ok, %Bot{}} iex> delete_bot(bot) {:error, %Ecto.Changeset{}} """ def delete_bot(%Bot{} = bot) do Repo.delete(bot) end @doc """ Returns an `%Ecto.Changeset{}` for tracking bot changes. ## Examples iex> change_bot(bot) %Ecto.Changeset{source: %Bot{}} """ def change_bot(%Bot{} = bot) do Bot.changeset(bot, %{}) end end