This commit is contained in:
Maksim Pechnikov 2018-12-05 17:29:49 +03:00
parent 22eff17912
commit c524c50509
2 changed files with 112 additions and 18 deletions

View file

@ -1,30 +1,68 @@
defmodule Pleroma.Plugs.OAuthPlug do
import Plug.Conn
alias Pleroma.User
alias Pleroma.Repo
alias Pleroma.Web.OAuth.Token
import Ecto.Query
def init(options) do
options
end
alias Pleroma.{
User,
Repo,
Web.OAuth.Token
}
@realm_reg Regex.compile!("Bearer\:?\s+(.*)$", "i")
def init(options), do: options
def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
def call(conn, _) do
token =
case get_req_header(conn, "authorization") do
["Bearer " <> header] -> header
_ -> get_session(conn, :oauth_token)
end
with token when not is_nil(token) <- token,
%Token{user_id: user_id} <- Repo.get_by(Token, token: token),
%User{} = user <- Repo.get(User, user_id),
false <- !!user.info.deactivated do
conn
|> assign(:user, user)
with {:ok, token} <- fetch_token(conn),
{:ok, user} <- fetch_user(token) do
assign(conn, :user, user)
else
_ -> conn
end
end
# Gets user by token
#
@spec fetch_user(String.t()) :: {:ok, User.t()} | nil
defp fetch_user(token) do
query = from(q in Token, where: q.token == ^token, preload: [:user])
with %Token{user: %{info: %{deactivated: false} = _} = user} <- Repo.one(query) do
{:ok, user}
end
end
# Gets token from session by :oauth_token key
#
@spec fetch_token_from_session(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
defp fetch_token_from_session(conn) do
case get_session(conn, :oauth_token) do
nil -> :no_token_found
token -> {:ok, token}
end
end
# Gets token from headers
#
@spec fetch_token(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
defp fetch_token(%Plug.Conn{} = conn) do
headers = get_req_header(conn, "authorization")
with :no_token_found <- fetch_token(headers),
do: fetch_token_from_session(conn)
end
@spec fetch_token(Keyword.t()) :: :no_token_found | {:ok, String.t()}
defp fetch_token([]), do: :no_token_found
defp fetch_token([token | tail]) do
trimmed_token = String.trim(token)
case Regex.run(@realm_reg, trimmed_token) do
[_, match] -> {:ok, String.trim(match)}
_ -> fetch_token(tail)
end
end
end

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@ -0,0 +1,56 @@
defmodule Pleroma.Plugs.OAuthPlugTest do
use Pleroma.Web.ConnCase, async: true
alias Pleroma.Plugs.OAuthPlug
import Pleroma.Factory
@session_opts [
store: :cookie,
key: "_test",
signing_salt: "cooldude"
]
setup %{conn: conn} do
user = insert(:user)
{:ok, %{token: token}} = Pleroma.Web.OAuth.Token.create_token(insert(:oauth_app), user)
%{user: user, token: token, conn: conn}
end
test "with valid token(uppercase), it assigns the user", %{conn: conn} = opts do
conn =
conn
|> put_req_header("authorization", "BEARER #{opts[:token]}")
|> OAuthPlug.call(%{})
assert conn.assigns[:user] == opts[:user]
end
test "with valid token(downcase), it assigns the user", %{conn: conn} = opts do
conn =
conn
|> put_req_header("authorization", "bearer #{opts[:token]}")
|> OAuthPlug.call(%{})
assert conn.assigns[:user] == opts[:user]
end
test "with invalid token, it not assigns the user", %{conn: conn} do
conn =
conn
|> put_req_header("authorization", "bearer TTTTT")
|> OAuthPlug.call(%{})
refute conn.assigns[:user]
end
test "when token is missed but token in session, it assigns the user", %{conn: conn} = opts do
conn =
conn
|> Plug.Session.call(Plug.Session.init(@session_opts))
|> fetch_session()
|> put_session(:oauth_token, opts[:token])
|> OAuthPlug.call(%{})
assert conn.assigns[:user] == opts[:user]
end
end