architex/lib/matrix_server/account.ex

72 lines
2 KiB
Elixir

defmodule MatrixServer.Account do
use Ecto.Schema
import MatrixServer
import Ecto.{Changeset, Query}
alias MatrixServer.{Repo, Account, Device}
alias Ecto.Multi
@max_mxid_length 255
@localpart_regex ~r/^([a-z0-9\._=\/])+$/
@primary_key {:localpart, :string, []}
schema "accounts" do
field :password_hash, :string, redact: true
has_many :devices, Device, foreign_key: :localpart
timestamps(updated_at: false)
end
def available?(localpart) when is_binary(localpart) do
if Regex.match?(@localpart_regex, localpart) and
String.length(localpart) <= localpart_length() do
if Repo.one!(
Account
|> where([a], a.localpart == ^localpart)
|> select([a], count(a))
) == 0 do
:ok
else
{:error, :user_in_use}
end
else
{:error, :invalid_username}
end
end
def register(params) do
Multi.new()
|> Multi.insert(:account, changeset(%Account{}, params))
|> Multi.insert(:device, fn %{account: account} ->
device_id = Device.generate_device_id(account.localpart)
Ecto.build_assoc(account, :devices)
|> Map.put(:device_id, device_id)
|> Device.changeset(params)
end)
|> Multi.run(:device_with_access_token, &Device.insert_new_access_token/2)
end
def by_access_token(access_token) do
Device
|> where([d], d.access_token == ^access_token)
|> join(:inner, [d], a in assoc(d, :account))
|> select([d, a], {a, d})
|> Repo.one()
end
def changeset(account, params \\ %{}) do
account
|> cast(params, [:localpart, :password_hash])
|> validate_required([:localpart, :password_hash])
|> validate_length(:password_hash, max: 60)
|> validate_format(:localpart, @localpart_regex)
|> validate_length(:localpart, max: localpart_length())
|> unique_constraint(:localpart, name: :accounts_pkey)
end
defp localpart_length do
# Subtract the "@" and ":" in the MXID.
@max_mxid_length - 2 - String.length(server_name())
end
end