mobilizon/lib/eventos/actors/actors.ex

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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 """
List the groups
"""
def list_groups do
Repo.all(from(a in Actor, where: a.type == ^:Group))
end
def get_group_by_name(name) do
case String.split(name, "@") do
[name] ->
Repo.get_by(Actor, preferred_username: name, type: :Group)
[name, domain] ->
Repo.get_by(Actor, preferred_username: name, domain: domain, type: :Group)
end
end
@doc """
Creates a group.
## Examples
iex> create_group(%{field: value})
{:ok, %Actor{}}
iex> create_group(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_group(attrs \\ %{}) do
%Actor{}
|> Actor.group_creation(attrs)
|> Repo.insert()
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, :actors)
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: [
keys: data.keys,
avatar_url: data.avatar_url,
banner_url: data.banner_url,
name: data.name
]
],
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, :actors)
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
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{:ok, actor}
else
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case ActivityPub.make_actor_from_url(url) do
{:ok, actor} ->
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{:ok, 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
"""
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def find_actors_by_username_or_name(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
# find already saved accounts
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case find_actors_by_username_or_name(name) do
[] ->
# no accounts found, let's test if it's an username@domain.tld
with true <- Regex.match?(@email_regex, name),
# creating the actor in that case
{:ok, actor} <- ActivityPub.find_or_make_actor_from_nickname(name) do
{:ok, [actor]}
else
false ->
{:ok, []}
# error fingering the actor
{:error, err} ->
{:error, err}
end
actors = [_ | _] ->
# actors already saved found !
{:ok, actors}
end
end
@doc """
Get an user by email
"""
def find_by_email(email) do
case Repo.preload(Repo.get_by(User, email: email), :actors) do
nil ->
{:error, nil}
user ->
{:ok, user}
end
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
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()
import Exgravatar
avatar_url = gravatar_url(email, default: "404")
avatar =
case HTTPoison.get(avatar_url) do
{:ok, %HTTPoison.Response{status_code: 200}} ->
avatar_url
_ ->
nil
end
actor =
Eventos.Actors.Actor.registration_changeset(%Eventos.Actors.Actor{}, %{
preferred_username: username,
domain: nil,
keys: pem,
avatar_url: avatar
})
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)
find_by_email(email)
rescue
e in Ecto.InvalidChangesetError ->
{:error, e.changeset}
end
end
def register_bot_account(%{name: name, summary: summary}) 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()
actor =
Eventos.Actors.Actor.registration_changeset(%Eventos.Actors.Actor{}, %{
preferred_username: name,
domain: nil,
keys: pem,
summary: summary,
type: :Service
})
try do
Eventos.Repo.insert!(actor)
rescue
e in Ecto.InvalidChangesetError ->
{:error, e.changeset}
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
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@doc """
Gets an user by it's email
## Examples
iex> get_user_by_email(user, email)
{:ok, %User{}}
iex> get_user_by_email(user, wrong_email)
{:error, nil}
"""
def get_user_by_email(email) do
case Repo.get_by(User, email: email) do
nil -> {:error, nil}
user -> {:ok, user}
end
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
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with {:ok, %Member{} = member} <-
%Member{}
|> Member.changeset(attrs)
|> Repo.insert() do
{:ok, Repo.preload(member, [:actor, :parent])}
end
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
def groups_for_actor(%Actor{id: id} = _actor) do
Repo.all(
from(
m in Member,
where: m.actor_id == ^id,
preload: [:parent]
)
)
end
def members_for_group(%Actor{type: :Group, id: id} = _group) do
Repo.all(
from(
m in Member,
where: m.parent_id == ^id,
preload: [:parent, :actor]
)
)
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
alias Eventos.Actors.Follower
@doc """
Gets a single follower.
Raises `Ecto.NoResultsError` if the Follower does not exist.
## Examples
iex> get_follower!(123)
%Follower{}
iex> get_follower!(456)
** (Ecto.NoResultsError)
"""
def get_follower!(id) do
Repo.get!(Follower, id)
|> Repo.preload([:actor, :target_actor])
end
@doc """
Creates a follower.
## Examples
iex> create_follower(%{field: value})
{:ok, %Follower{}}
iex> create_follower(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_follower(attrs \\ %{}) do
%Follower{}
|> Follower.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a follower.
## Examples
iex> update_follower(follower, %{field: new_value})
{:ok, %Follower{}}
iex> update_follower(follower, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_follower(%Follower{} = follower, attrs) do
follower
|> Follower.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Follower.
## Examples
iex> delete_follower(follower)
{:ok, %Follower{}}
iex> delete_follower(follower)
{:error, %Ecto.Changeset{}}
"""
def delete_follower(%Follower{} = follower) do
Repo.delete(follower)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking follower changes.
## Examples
iex> change_follower(follower)
%Ecto.Changeset{source: %Follower{}}
"""
def change_follower(%Follower{} = follower) do
Follower.changeset(follower, %{})
end
end