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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
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Thomas Citharel 2018-06-06 18:22:11 +02:00
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113
lib/eventos/accounts/account.ex
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defmodule Eventos.Accounts.Account do
@moduledoc """
Represents an account (local and remote users)
"""
use Ecto.Schema
import Ecto.Changeset
alias Eventos.Accounts
alias Eventos.Accounts.{Account, User}
alias Eventos.Groups.{Group, Member, Request}
alias Eventos.Events.Event
alias Eventos.Service.ActivityPub
import Logger
@type t :: %Account{description: String.t, id: integer(), inserted_at: DateTime.t, updated_at: DateTime.t, display_name: String.t, domain: String.t, private_key: String.t, public_key: String.t, suspended: boolean(), url: String.t, username: String.t, organized_events: list(), groups: list(), group_request: list(), user: User.t}
schema "accounts" do
field :description, :string
field :display_name, :string
field :domain, :string
field :private_key, :string
field :public_key, :string
field :suspended, :boolean, default: false
field :url, :string
field :username, :string
field :avatar_url, :string
field :banner_url, :string
has_many :organized_events, Event, [foreign_key: :organizer_account_id]
many_to_many :groups, Group, join_through: Member
has_many :group_request, Request
has_one :user, User
timestamps()
end
@doc false
def changeset(%Account{} = account, attrs) do
account
|> cast(attrs, [:username, :domain, :display_name, :description, :private_key, :public_key, :suspended, :url])
|> validate_required([:username, :public_key, :suspended, :url])
|> unique_constraint(:username, name: :accounts_username_domain_index)
end
def registration_changeset(%Account{} = account, attrs) do
account
|> cast(attrs, [:username, :domain, :display_name, :description, :private_key, :public_key, :suspended, :url])
|> validate_required([:username, :public_key, :suspended, :url])
|> unique_constraint(:username)
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 remote_account_creation(params) do
changes =
%Account{}
|> cast(params, [:description, :display_name, :url, :username, :public_key])
|> validate_required([:url, :username, :public_key])
|> unique_constraint(:username)
|> validate_format(:username, @email_regex)
|> validate_length(:description, max: 5000)
|> validate_length(:display_name, max: 100)
|> put_change(:local, false)
Logger.debug("Remote account creation")
Logger.debug(inspect changes)
changes
# if changes.valid? do
# case changes.changes[:info]["source_data"] do
# %{"followers" => followers} ->
# changes
# |> put_change(:follower_address, followers)
#
# _ ->
# followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
#
# changes
# |> put_change(:follower_address, followers)
# end
# else
# changes
# end
end
def get_or_fetch_by_url(url) do
if user = Accounts.get_account_by_url(url) do
user
else
case ActivityPub.make_account_from_url(url) do
{:ok, user} ->
user
_ -> {:error, "Could not fetch by AP id"}
end
end
end
@spec get_public_key_for_url(Account.t) :: {:ok, String.t}
def get_public_key_for_url(url) do
with %Account{} = account <- get_or_fetch_by_url(url) do
get_public_key_for_account(account)
else
_ -> :error
end
end
@spec get_public_key_for_account(Account.t) :: {:ok, String.t}
def get_public_key_for_account(%Account{} = account) do
{:ok, account.public_key}
end
@spec get_private_key_for_account(Account.t) :: {:ok, String.t}
def get_private_key_for_account(%Account{} = account) do
account.private_key
end
end

357
lib/eventos/accounts/accounts.ex
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defmodule Eventos.Accounts do
@moduledoc """
The Accounts context.
"""
import Ecto.Query, warn: false
import Exgravatar
alias Eventos.Repo
alias Eventos.Accounts.Account
alias Eventos.Accounts
alias Eventos.Service.ActivityPub
@doc """
Returns the list of accounts.
## Examples
iex> list_accounts()
[%Account{}, ...]
"""
def list_accounts do
Repo.all(Account)
end
@doc """
Gets a single account.
Raises `Ecto.NoResultsError` if the Account does not exist.
## Examples
iex> get_account!(123)
%Account{}
iex> get_account!(456)
** (Ecto.NoResultsError)
"""
def get_account!(id) do
Repo.get!(Account, id)
end
def get_account_with_everything!(id) do
account = Repo.get!(Account, id)
Repo.preload(account, :organized_events)
end
@doc """
Creates a account.
## Examples
iex> create_account(%{field: value})
{:ok, %Account{}}
iex> create_account(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_account(attrs \\ %{}) do
%Account{}
|> Account.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a account.
## Examples
iex> update_account(account, %{field: new_value})
{:ok, %Account{}}
iex> update_account(account, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_account(%Account{} = account, attrs) do
account
|> Account.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Account.
## Examples
iex> delete_account(account)
{:ok, %Account{}}
iex> delete_account(account)
{:error, %Ecto.Changeset{}}
"""
def delete_account(%Account{} = account) do
Repo.delete(account)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking account changes.
## Examples
iex> change_account(account)
%Ecto.Changeset{source: %Account{}}
"""
def change_account(%Account{} = account) do
Account.changeset(account, %{})
end
@doc """
Returns a text representation of a local account like user@domain.tld
"""
def account_to_local_username_and_domain(account) do
"#{account.username}@#{Application.get_env(:my, EventosWeb.Endpoint)[:url][:host]}"
end
@doc """
Returns a webfinger representation of an account
"""
def account_to_webfinger_s(account) do
"acct:#{account_to_local_username_and_domain(account)}"
end
alias Eventos.Accounts.User
@doc """
Returns the list of users.
## Examples
iex> list_users()
[%User{}, ...]
"""
def list_users do
Repo.all(User)
end
def list_users_with_accounts do
users = Repo.all(User)
Repo.preload(users, :account)
end
defp blank?(""), do: nil
defp blank?(n), do: n
def insert_or_update_account(data) do
data =
data
|> Map.put(:name, blank?(data[:display_name]) || data[:username])
cs = Account.remote_account_creation(data)
Repo.insert(cs, on_conflict: [set: [public_key: data.public_key]], conflict_target: [:username, :domain])
end
# def increase_event_count(%Account{} = account) do
# event_count = (account.info["event_count"] || 0) + 1
# new_info = Map.put(account.info, "note_count", note_count)
#
# cs = info_changeset(account, %{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_account!(id) do
user = Repo.get!(User, id)
Repo.preload(user, :account)
end
def get_account_by_url(url) do
Repo.get_by(Account, url: url)
end
def get_account_by_username(username) do
Repo.get_by!(Account, username: username)
end
def get_or_fetch_by_url(url) do
if account = get_account_by_url(url) do
account
else
ap_try = ActivityPub.make_account_from_url(url)
case ap_try do
{:ok, account} ->
account
_ -> {:error, "Could not fetch by AP id"}
end
end
end
@doc """
Get an user by email
"""
def find_by_email(email) do
user = Repo.get_by(User, email: email)
Repo.preload(user, :account)
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 """
Fetch gravatar url for email and set it as avatar if it exists
"""
defp gravatar(email) do
url = gravatar_url(email, default: "404")
case HTTPoison.get(url, [], [ssl: [{:versions, [:'tlsv1.2']}]]) do # See https://github.com/edgurgel/httpoison#note-about-broken-ssl-in-erlang-19
{:ok, %HTTPoison.Response{status_code: 200}} ->
url
_ -> # User doesn't have a gravatar email, or other issues
nil
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)
avatar = gravatar(email)
account = Eventos.Accounts.Account.registration_changeset(%Eventos.Accounts.Account{}, %{
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.Accounts.User.registration_changeset(%Eventos.Accounts.User{}, %{
email: email,
password: password
})
account_with_user = Ecto.Changeset.put_assoc(account, :user, user)
try do
Eventos.Repo.insert!(account_with_user)
user = find_by_email(email)
{:ok, user}
rescue
e in Ecto.InvalidChangesetError ->
{:error, e.changeset.changes.user.errors}
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
end