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mobilizon.chapril.org-mobil.../lib/mobilizon/actors/actors.ex
Thomas Citharel fd0dba62e0
Work on actors 
* Implement group GraphQL APIs
* Change Actors changeset to properly set urls
* Remove old actors indexes and add some new ones

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2018-12-03 11:58:57 +01:00

1024 lines
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Elixir
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defmodule Mobilizon.Actors do
@moduledoc """
The Actors context.
"""
import Ecto.Query, warn: false
alias Mobilizon.Repo
alias Mobilizon.Actors.{Actor, Bot, Member, Follower, User}
alias Mobilizon.Service.ActivityPub
import Exgravatar
@doc false
def data() do
Dataloader.Ecto.new(Repo, query: &query/2)
end
@doc false
def query(queryable, _params) do
queryable
end
@doc """
Returns the list of actors.
## Examples
iex> Mobilizon.Actors.list_actors()
[%Mobilizon.Actors.Actor{}]
"""
@spec list_actors() :: list()
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)
%Mobilizon.Actors.Actor{}
iex> get_actor!(456)
** (Ecto.NoResultsError)
"""
@spec get_actor!(integer()) :: Actor.t()
def get_actor!(id) do
Repo.get!(Actor, id)
end
@doc """
Returns the associated actor for an user, either the default set one or the first found
"""
@spec get_actor_for_user(Mobilizon.Actors.User.t()) :: Mobilizon.Actors.Actor.t()
def get_actor_for_user(%Mobilizon.Actors.User{} = user) do
case Repo.one(from(a in Actor, join: u in User, on: u.default_actor_id == a.id)) do
nil -> get_actors_for_user(user) |> hd
actor -> actor
end
end
def get_actors_for_user(%User{id: user_id}) do
Repo.all(from(a in Actor, where: a.user_id == ^user_id))
end
def get_actor_with_everything!(id) do
actor = Repo.get!(Actor, id)
Repo.preload(actor, [:organized_events, :followers, :followings])
end
@doc """
Creates a actor.
## Examples
iex> create_actor(%{preferred_username: "test"})
{:ok, %Mobilizon.Actors.Actor{preferred_username: "test"}}
iex> create_actor(%{preferred_username: nil})
{:error, %Ecto.Changeset{}}
"""
def create_actor(attrs \\ %{}) do
%Actor{}
|> Actor.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a actor.
## Examples
iex> update_actor(%Actor{preferred_username: "toto"}, %{preferred_username: "tata"})
{:ok, %Mobilizon.Actors.Actor{preferred_username: "tata"}}
iex> update_actor(%Actor{preferred_username: "toto"}, %{preferred_username: nil})
{:error, %Ecto.Changeset{}}
"""
def update_actor(%Actor{} = actor, attrs) do
actor
|> Actor.changeset(attrs)
|> Repo.update()
end
def update_user_default_actor(user_id, actor_id) do
with from(u in User, where: u.id == ^user_id, update: [set: [default_actor_id: ^actor_id]])
|> Repo.update_all([]) do
Repo.get!(User, user_id) |> Repo.preload([:default_actor])
end
end
@doc """
Deletes a Actor.
## Examples
iex> delete_actor(%Actor{})
{:ok, %Mobilizon.Actors.Actor{}}
iex> delete_actor(nil)
{:error, %Ecto.Changeset{}}
"""
@spec delete_actor(Actor.t()) :: {:ok, Actor.t()} | {:error, Ecto.Changeset.t()}
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{data: %Mobilizon.Actors.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(%{name: "group name"})
{:ok, %Mobilizon.Actors.Actor{}}
iex> create_group(%{name: nil})
{:error, %Ecto.Changeset{}}
"""
def create_group(attrs \\ %{}) do
attrs = Map.put(attrs, :keys, create_keys())
%Actor{}
|> Actor.group_creation(attrs)
|> Repo.insert()
end
alias Mobilizon.Actors.User
@doc """
Returns the list of users.
## Examples
iex> list_users()
[%Mobilizon.Actors.User{}]
"""
def list_users do
Repo.all(User)
end
def insert_or_update_actor(data, preload \\ false) do
cs = Actor.remote_actor_creation(data)
{:ok, actor} =
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, :type]
)
if preload, do: {:ok, Repo.preload(actor, [:followers])}, else: {:ok, actor}
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)
%Mobilizon.Actors.User{}
iex> get_user!(456)
** (Ecto.NoResultsError)
"""
def get_user!(id), do: Repo.get!(User, id)
@doc """
Get an user with it's actors
Raises `Ecto.NoResultsError` if the User does not exist.
"""
@spec get_user_with_actors!(integer()) :: User.t()
def get_user_with_actors!(id) do
user = Repo.get!(User, id)
Repo.preload(user, [:actors, :default_actor])
end
@doc """
Get user with it's actors by ID
"""
@spec get_user_with_actors(integer()) :: User.t()
def get_user_with_actors(id) do
case Repo.get(User, id) do
nil ->
{:error, "User with ID #{id} not found"}
user ->
user =
user
|> Repo.preload([:actors, :default_actor])
|> Map.put(:actors, get_actors_for_user(user))
{:ok, user}
end
end
@doc """
Get an actor by it's URL (ActivityPub ID). The `:preload` option allows preloading the Followers relation.
Raises `Ecto.NoResultsError` if the Actor does not exist.
## Examples
iex> get_actor_by_url("https://mastodon.server.tld/users/user")
{:ok, %Mobilizon.Actors.Actor{preferred_username: "user"}}
iex> get_actor_by_url("https://mastodon.server.tld/users/user", true)
{:ok, %Mobilizon.Actors.Actor{preferred_username: "user", followers: []}}
iex> get_actor_by_url("non existent")
{:error, :actor_not_found}
"""
@spec get_actor_by_url(String.t(), boolean()) :: {:ok, Actor.t()} | {:error, :actor_not_found}
def get_actor_by_url(url, preload \\ false) do
case Repo.get_by(Actor, url: url) do
nil ->
{:error, :actor_not_found}
actor ->
if preload, do: {:ok, Repo.preload(actor, [:followers])}, else: {:ok, actor}
end
end
@doc """
Get an actor by it's URL (ActivityPub ID). The `:preload` option allows preloading the Followers relation.
Raises `Ecto.NoResultsError` if the Actor does not exist.
## Examples
iex> get_actor_by_url!("https://mastodon.server.tld/users/user")
%Mobilizon.Actors.Actor{}
iex> get_actor_by_url!("https://mastodon.server.tld/users/user", true)
{:ok, %Mobilizon.Actors.Actor{preferred_username: "user", followers: []}}
iex> get_actor_by_url!("non existent")
** (Ecto.NoResultsError)
"""
@spec get_actor_by_url!(String.t(), boolean()) :: struct()
def get_actor_by_url!(url, preload \\ false) do
actor = Repo.get_by!(Actor, url: url)
if preload, do: Repo.preload(actor, [:followers]), else: actor
end
@doc """
Get an actor by name
## Examples
iex> get_actor_by_name("tcit")
%Mobilizon.Actors.Actor{preferred_username: "tcit", domain: nil}
iex> get_actor_by_name("tcit@social.tcit.fr")
%Mobilizon.Actors.Actor{preferred_username: "tcit", domain: "social.tcit.fr"}
iex> get_actor_by_name("tcit", :Group)
nil
"""
@spec get_actor_by_name(String.t(), atom() | nil) :: Actor.t()
def get_actor_by_name(name, type \\ nil) do
# Base query
query = from(a in Actor)
# If we have Person / Group information
query =
if type in [:Person, :Group] do
from(a in query, where: a.type == ^type)
else
query
end
# If the name is a remote actor
query =
case String.split(name, "@") do
[name] -> do_get_actor_by_name(query, name)
[name, domain] -> do_get_actor_by_name(query, name, domain)
end
Repo.one(query)
end
# Get actor by username and domain is nil
defp do_get_actor_by_name(query, name) do
from(a in query, where: a.preferred_username == ^name and is_nil(a.domain))
end
# Get actor by username and domain
defp do_get_actor_by_name(query, name, domain) do
from(a in query, where: a.preferred_username == ^name and a.domain == ^domain)
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, :followers, :followings])
end
@spec get_actor_by_name_with_everything(String.t(), atom() | nil) :: Actor.t()
def get_actor_by_name_with_everything(name, type \\ nil) do
name
|> get_actor_by_name(type)
|> Repo.preload(:organized_events)
end
def get_or_fetch_by_url(url, preload \\ false) do
with {:ok, actor} <- get_actor_by_url(url, preload) do
{:ok, actor}
else
_ ->
case ActivityPub.make_actor_from_url(url, preload) do
{:ok, actor} ->
{:ok, actor}
_ ->
{:error, "Could not fetch by AP id"}
end
end
end
def get_or_fetch_by_url!(url, preload \\ false) do
with {:ok, actor} <- get_actor_by_url(url, preload) do
actor
else
_ ->
case ActivityPub.make_actor_from_url(url, preload) do
{:ok, actor} ->
actor
_ ->
raise "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
"""
@spec find_actors_by_username_or_name(String.t(), integer(), integer()) :: list(Actor.t())
def find_actors_by_username_or_name(username, page \\ 1, limit \\ 10)
def find_actors_by_username_or_name("", _page, _limit), do: []
def find_actors_by_username_or_name(username, page, limit) do
start = (page - 1) * limit
Repo.all(
from(
a in Actor,
limit: ^limit,
offset: ^start,
where:
ilike(a.preferred_username, ^like_sanitize(username)) or
ilike(a.name, ^like_sanitize(username))
)
)
end
# Sanitize the LIKE queries
defp like_sanitize(value) do
"%" <> String.replace(value, ~r/([\\%_])/, "\\1") <> "%"
end
@email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
@spec search(String.t()) :: {:ok, list(Actor.t())} | {:ok, []} | {:error, any()}
def search(name) do
# find already saved accounts
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 """
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
MobilizonWeb.Guardian.encode_and_sign(user)
_ ->
# No, return an error
{:error, :unauthorized}
end
end
# Create a new RSA key
@spec create_keys() :: String.t()
defp create_keys() 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
@doc """
Register user
"""
@spec register(map()) :: {:ok, Actor.t()} | {:error, String.t()}
def register(%{email: email, password: password, username: username}) do
with avatar <- gravatar(email),
user_changeset <-
User.registration_changeset(%User{}, %{
email: email,
password: password,
default_actor: %{
preferred_username: username,
domain: nil,
keys: create_keys(),
avatar_url: avatar
}
}),
{:ok, %User{default_actor: %Actor{} = actor, id: user_id} = user} <-
Mobilizon.Repo.insert(user_changeset),
{:ok, %Actor{} = _actor} <- update_actor(actor, %{user_id: user_id}) do
{:ok, Repo.preload(user, [:actors])}
else
{:error, %Ecto.Changeset{} = changeset} ->
handle_actor_user_changeset(changeset)
end
end
@spec gravatar(String.t()) :: String.t() | nil
defp gravatar(nil), do: nil
defp gravatar(email) do
avatar_url = gravatar_url(email, default: "404")
case HTTPoison.get(avatar_url) do
{:ok, %HTTPoison.Response{status_code: 200}} ->
avatar_url
_ ->
nil
end
end
@spec handle_actor_user_changeset(Ecto.Changeset.t()) :: {:error, String.t()}
defp handle_actor_user_changeset(changeset) do
changeset =
Ecto.Changeset.traverse_errors(changeset, fn
{msg, _opts} -> msg
msg -> msg
end)
email_msg = Map.get(changeset, :email) || [:empty_email]
{:error, hd(email_msg)}
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 =
Mobilizon.Actors.Actor.registration_changeset(%Mobilizon.Actors.Actor{}, %{
preferred_username: name,
domain: nil,
keys: pem,
summary: summary,
type: :Service
})
try do
Mobilizon.Repo.insert!(actor)
rescue
e in Ecto.InvalidChangesetError ->
{:error, e.changeset}
end
end
@doc """
Creates a user.
## Examples
iex> create_user(%{email: "test@test.tld"})
{:ok, %Mobilizon.Actors.User{}}
iex> create_user(%{email: "not an email"})
{:error, %Ecto.Changeset{}}
"""
def create_user(attrs \\ %{}) do
%User{}
|> User.registration_changeset(attrs)
|> Repo.insert()
end
@doc """
Gets an user by it's email
## Examples
iex> get_user_by_email("test@test.tld", true)
{:ok, %Mobilizon.Actors.User{}}
iex> get_user_by_email("test@notfound.tld", false)
{:error, :user_not_found}
"""
def get_user_by_email(email, activated \\ nil) do
query =
case activated do
nil ->
from(u in User, where: u.email == ^email, preload: :default_actor)
true ->
from(u in User,
where: u.email == ^email and not is_nil(u.confirmed_at),
preload: :default_actor
)
false ->
from(u in User,
where: u.email == ^email and is_nil(u.confirmed_at),
preload: :default_actor
)
end
case Repo.one(query) do
nil -> {:error, :user_not_found}
user -> {:ok, user}
end
end
@doc """
Get an user by it's activation token
"""
@spec get_user_by_activation_token(String.t()) :: Actor.t()
def get_user_by_activation_token(token) do
Repo.one(
from(u in User,
where: u.confirmation_token == ^token,
preload: [:default_actor]
)
)
end
@doc """
Get an user by it's reset password token
"""
@spec get_user_by_reset_password_token(String.t()) :: Actor.t()
def get_user_by_reset_password_token(token) do
Repo.one(
from(u in User,
where: u.reset_password_token == ^token,
preload: [:default_actor]
)
)
end
@doc """
Updates a user.
## Examples
iex> update_user(User{}, %{password: "coucou"})
{:ok, %Mobilizon.Actors.User{}}
iex> update_user(User{}, %{password: nil})
{:error, %Ecto.Changeset{}}
"""
def update_user(%User{} = user, attrs) do
with {:ok, %User{} = user} <-
user
|> User.changeset(attrs)
|> Repo.update() do
{:ok, Repo.preload(user, [:default_actor])}
end
end
@doc """
Deletes a User.
## Examples
iex> delete_user(%User{email: "test@test.tld"})
{:ok, %Mobilizon.Actors.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(%Mobilizon.Actors.User{})
# %Ecto.Changeset{data: %Mobilizon.Actors.User{}}
# """
# def change_user(%User{} = user) do
# User.changeset(user, %{})
# end
alias Mobilizon.Actors.Member
@doc """
Gets a single member.
Raises `Ecto.NoResultsError` if the Member does not exist.
## Examples
iex> get_member!(123)
%Mobilizon.Actors.Member{}
iex> get_member!(456)
** (Ecto.NoResultsError)
"""
def get_member!(id), do: Repo.get!(Member, id)
@doc """
Creates a member.
## Examples
iex> create_member(%{actor: %Actor{}})
{:ok, %Mobilizon.Actors.Member{}}
iex> create_member(%{actor: nil})
{:error, %Ecto.Changeset{}}
"""
def create_member(attrs \\ %{}) do
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{}, %{role: 3})
{:ok, %Mobilizon.Actors.Member{}}
iex> update_member(%Member{}, %{role: nil})
{: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, %Mobilizon.Actors.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{data: %Mobilizon.Actors.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 Mobilizon.Actors.Bot
@doc """
Returns the list of bots.
## Examples
iex> list_bots()
[%Mobilizon.Actors.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)
%Mobilizon.Actors.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(%{source: "toto"})
{:ok, %Mobilizon.Actors.Bot{}}
iex> create_bot(%{source: nil})
{:error, %Ecto.Changeset{}}
"""
def create_bot(attrs \\ %{}) do
%Bot{}
|> Bot.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a bot.
## Examples
iex> update_bot(%Bot{}, %{source: "new"})
{:ok, %Mobilizon.Actors.Bot{}}
iex> update_bot(%Bot{}, %{source: nil})
{: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, %Mobilizon.Actors.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{data: %Mobilizon.Actors.Bot{}}
"""
def change_bot(%Bot{} = bot) do
Bot.changeset(bot, %{})
end
alias Mobilizon.Actors.Follower
@doc """
Gets a single follower.
Raises `Ecto.NoResultsError` if the Follower does not exist.
## Examples
iex> get_follower!(123)
%Mobilizon.Actors.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(%{actor: %Actor{}})
{:ok, %Mobilizon.Actors.Follower{}}
iex> create_follower(%{actor: nil})
{:error, %Ecto.Changeset{}}
"""
def create_follower(attrs \\ %{}) do
with {:ok, %Follower{} = follower} <-
%Follower{}
|> Follower.changeset(attrs)
|> Repo.insert() do
{:ok, Repo.preload(follower, [:actor, :target_actor])}
end
end
@doc """
Updates a follower.
## Examples
iex> update_follower(Follower{}, %{approved: true})
{:ok, %Mobilizon.Actors.Follower{}}
iex> update_follower(Follower{}, %{approved: nil})
{: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, %Mobilizon.Actors.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{data: %Mobilizon.Actors.Follower{}}
"""
def change_follower(%Follower{} = follower) do
Follower.changeset(follower, %{})
end
end
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