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[#2409] Tested all auth setup configs in AuthTestControllerTest. Adjusted :skip_plug definitions for some endpoints.

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This commit is contained in:
Ivan Tashkinov 2020-04-24 16:52:38 +03:00
parent 89f38d94c7
commit 00e62161f6
13 changed files with 392 additions and 121 deletions
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93
lib/pleroma/tests/auth_test_controller.ex Normal file
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@ -0,0 +1,93 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
# A test controller reachable only in :test env.
defmodule Pleroma.Tests.AuthTestController do
@moduledoc false
use Pleroma.Web, :controller
alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.User
# Serves only with proper OAuth token (:api and :authenticated_api)
# Skipping EnsurePublicOrAuthenticatedPlug has no effect in this case
#
# Suggested use case: all :authenticated_api endpoints (makes no sense for :api endpoints)
plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :do_oauth_check)
# Via :api, keeps :user if token has requested scopes (if :user is dropped, serves if public)
# Via :authenticated_api, serves if token is present and has requested scopes
#
# Suggested use case: vast majority of :api endpoints (no sense for :authenticated_api ones)
plug(
OAuthScopesPlug,
%{scopes: ["read"], fallback: :proceed_unauthenticated}
when action == :fallback_oauth_check
)
# Keeps :user if present, executes regardless of token / token scopes
# Fails with no :user for :authenticated_api / no user for :api on private instance
# Note: EnsurePublicOrAuthenticatedPlug is not skipped (private instance fails on no :user)
# Note: Basic Auth processing results in :skip_plug call for OAuthScopesPlug
#
# Suggested use: suppressing OAuth checks for other auth mechanisms (like Basic Auth)
# For controller-level use, see :skip_oauth_skip_publicity_check instead
plug(
:skip_plug,
OAuthScopesPlug when action == :skip_oauth_check
)
# (Shouldn't be executed since the plug is skipped)
plug(OAuthScopesPlug, %{scopes: ["admin"]} when action == :skip_oauth_check)
# Via :api, keeps :user if token has requested scopes, and continues with nil :user otherwise
# Via :authenticated_api, serves if token is present and has requested scopes
#
# Suggested use: as :fallback_oauth_check but open with nil :user for :api on private instances
plug(
:skip_plug,
EnsurePublicOrAuthenticatedPlug when action == :fallback_oauth_skip_publicity_check
)
plug(
OAuthScopesPlug,
%{scopes: ["read"], fallback: :proceed_unauthenticated}
when action == :fallback_oauth_skip_publicity_check
)
# Via :api, keeps :user if present, serves regardless of token presence / scopes / :user presence
# Via :authenticated_api, serves if :user is set (regardless of token presence and its scopes)
#
# Suggested use: making an :api endpoint always accessible (e.g. email confirmation endpoint)
plug(
:skip_plug,
[OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug]
when action == :skip_oauth_skip_publicity_check
)
# Via :authenticated_api, always fails with 403 (endpoint is insecure)
# Via :api, drops :user if present and serves if public (private instance rejects on no user)
#
# Suggested use: none; please define OAuth rules for all :api / :authenticated_api endpoints
plug(:skip_plug, [] when action == :missing_oauth_check_definition)
def do_oauth_check(conn, _params), do: conn_state(conn)
def fallback_oauth_check(conn, _params), do: conn_state(conn)
def skip_oauth_check(conn, _params), do: conn_state(conn)
def fallback_oauth_skip_publicity_check(conn, _params), do: conn_state(conn)
def skip_oauth_skip_publicity_check(conn, _params), do: conn_state(conn)
def missing_oauth_check_definition(conn, _params), do: conn_state(conn)
defp conn_state(%{assigns: %{user: %User{} = user}} = conn),
do: json(conn, %{user_id: user.id})
defp conn_state(conn), do: json(conn, %{user_id: nil})
end

31
lib/pleroma/tests/oauth_test_controller.ex
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@ -1,31 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
# A test controller reachable only in :test env.
# Serves to test OAuth scopes check skipping / enforcement.
defmodule Pleroma.Tests.OAuthTestController do
@moduledoc false
use Pleroma.Web, :controller
alias Pleroma.Plugs.OAuthScopesPlug
plug(:skip_plug, OAuthScopesPlug when action == :skipped_oauth)
plug(OAuthScopesPlug, %{scopes: ["read"]} when action != :missed_oauth)
def skipped_oauth(conn, _params) do
noop(conn)
end
def performed_oauth(conn, _params) do
noop(conn)
end
def missed_oauth(conn, _params) do
noop(conn)
end
defp noop(conn), do: json(conn, %{})
end

5
lib/pleroma/web/masto_fe_controller.ex
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@ -5,12 +5,15 @@
defmodule Pleroma.Web.MastoFEController do
use Pleroma.Web, :controller
alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.User
plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :put_settings)
# Note: :index action handles attempt of unauthenticated access to private instance with redirect
plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action == :index)
plug(
OAuthScopesPlug,
%{scopes: ["read"], fallback: :proceed_unauthenticated}
@ -19,7 +22,7 @@ defmodule Pleroma.Web.MastoFEController do
plug(
:skip_plug,
Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action in [:index, :manifest]
[OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :manifest
)
@doc "GET /web/*path"

13
lib/pleroma/web/mastodon_api/controllers/account_controller.ex
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@ -14,6 +14,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
skip_relationships?: 1
]
alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.Plugs.RateLimiter
alias Pleroma.User
@ -26,18 +27,14 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
alias Pleroma.Web.OAuth.Token
alias Pleroma.Web.TwitterAPI.TwitterAPI
plug(:skip_plug, OAuthScopesPlug when action in [:create, :identity_proofs])
plug(:skip_plug, [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :create)
plug(
:skip_plug,
Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
when action in [:create, :show, :statuses]
)
plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action in [:show, :statuses])
plug(
OAuthScopesPlug,
%{fallback: :proceed_unauthenticated, scopes: ["read:accounts"]}
when action in [:show, :followers, :following, :endorsements]
when action in [:show, :followers, :following]
)
plug(
@ -49,7 +46,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
plug(
OAuthScopesPlug,
%{scopes: ["read:accounts"]}
when action in [:endorsements, :verify_credentials]
when action in [:verify_credentials, :endorsements, :identity_proofs]
)
plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :update_credentials)

4
lib/pleroma/web/mastodon_api/controllers/status_controller.ex
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@ -24,6 +24,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusController do
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.ScheduledActivityView
plug(:skip_plug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action in [:index, :show])
@unauthenticated_access %{fallback: :proceed_unauthenticated, scopes: []}
plug(
@ -77,8 +79,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusController do
%{scopes: ["write:bookmarks"]} when action in [:bookmark, :unbookmark]
)
plug(:skip_plug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action in [:index, :show])
@rate_limited_status_actions ~w(reblog unreblog favourite unfavourite create delete)a
plug(

4
lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
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@ -15,6 +15,8 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action in [:public, :hashtag])
# TODO: Replace with a macro when there is a Phoenix release with the following commit in it:
# https://github.com/phoenixframework/phoenix/commit/2e8c63c01fec4dde5467dbbbf9705ff9e780735e
@ -33,8 +35,6 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
when action in [:public, :hashtag]
)
plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action in [:public, :hashtag])
plug(:put_view, Pleroma.Web.MastodonAPI.StatusView)
# GET /api/v1/timelines/home

5
lib/pleroma/web/oauth/oauth_controller.ex
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@ -25,9 +25,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
plug(:fetch_session)
plug(:fetch_flash)
plug(RateLimiter, [name: :authentication] when action == :create_authorization)
plug(:skip_plug, Pleroma.Plugs.OAuthScopesPlug)
plug(:skip_plug, [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug])
plug(RateLimiter, [name: :authentication] when action == :create_authorization)
action_fallback(Pleroma.Web.OAuth.FallbackController)

5
lib/pleroma/web/pleroma_api/controllers/account_controller.ex
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@ -9,6 +9,7 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
only: [json_response: 3, add_link_headers: 2, assign_account_by_id: 2, skip_relationships?: 1]
alias Ecto.Changeset
alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.Plugs.RateLimiter
alias Pleroma.User
@ -17,11 +18,9 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
require Pleroma.Constants
plug(:skip_plug, OAuthScopesPlug when action == :confirmation_resend)
plug(
:skip_plug,
Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action == :confirmation_resend
[OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :confirmation_resend
)
plug(

21
lib/pleroma/web/router.ex
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@ -655,11 +655,28 @@ defmodule Pleroma.Web.Router do
# Test-only routes needed to test action dispatching and plug chain execution
if Pleroma.Config.get(:env) == :test do
@test_actions [
:do_oauth_check,
:fallback_oauth_check,
:skip_oauth_check,
:fallback_oauth_skip_publicity_check,
:skip_oauth_skip_publicity_check,
:missing_oauth_check_definition
]
scope "/test/api", Pleroma.Tests do
pipe_through(:api)
for action <- @test_actions do
get("/#{action}", AuthTestController, action)
end
end
scope "/test/authenticated_api", Pleroma.Tests do
pipe_through(:authenticated_api)
for action <- [:skipped_oauth, :performed_oauth, :missed_oauth] do
get("/#{action}", OAuthTestController, action)
for action <- @test_actions do
get("/#{action}", AuthTestController, action)
end
end
end

8
lib/pleroma/web/twitter_api/twitter_api_controller.ex
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@ -6,6 +6,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
use Pleroma.Web, :controller
alias Pleroma.Notification
alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.User
alias Pleroma.Web.OAuth.Token
@ -18,7 +19,12 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
%{scopes: ["write:notifications"]} when action == :mark_notifications_as_read
)
plug(:skip_plug, OAuthScopesPlug when action in [:confirm_email, :oauth_tokens, :revoke_token])
plug(
:skip_plug,
[OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :confirm_email
)
plug(:skip_plug, OAuthScopesPlug when action in [:oauth_tokens, :revoke_token])
action_fallback(:errors)

242
test/web/auth/auth_test_controller_test.exs Normal file
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@ -0,0 +1,242 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Tests.AuthTestControllerTest do
use Pleroma.Web.ConnCase
import Pleroma.Factory
describe "do_oauth_check" do
test "serves with proper OAuth token (fulfilling requested scopes)" do
%{conn: good_token_conn, user: user} = oauth_access(["read"])
assert %{"user_id" => user.id} ==
good_token_conn
|> get("/test/authenticated_api/do_oauth_check")
|> json_response(200)
# Unintended usage (:api) — use with :authenticated_api instead
assert %{"user_id" => user.id} ==
good_token_conn
|> get("/test/api/do_oauth_check")
|> json_response(200)
end
test "fails on no token / missing scope(s)" do
%{conn: bad_token_conn} = oauth_access(["irrelevant_scope"])
bad_token_conn
|> get("/test/authenticated_api/do_oauth_check")
|> json_response(403)
bad_token_conn
|> assign(:token, nil)
|> get("/test/api/do_oauth_check")
|> json_response(403)
end
end
describe "fallback_oauth_check" do
test "serves with proper OAuth token (fulfilling requested scopes)" do
%{conn: good_token_conn, user: user} = oauth_access(["read"])
assert %{"user_id" => user.id} ==
good_token_conn
|> get("/test/api/fallback_oauth_check")
|> json_response(200)
# Unintended usage (:authenticated_api) — use with :api instead
assert %{"user_id" => user.id} ==
good_token_conn
|> get("/test/authenticated_api/fallback_oauth_check")
|> json_response(200)
end
test "for :api on public instance, drops :user and renders on no token / missing scope(s)" do
clear_config([:instance, :public], true)
%{conn: bad_token_conn} = oauth_access(["irrelevant_scope"])
assert %{"user_id" => nil} ==
bad_token_conn
|> get("/test/api/fallback_oauth_check")
|> json_response(200)
assert %{"user_id" => nil} ==
bad_token_conn
|> assign(:token, nil)
|> get("/test/api/fallback_oauth_check")
|> json_response(200)
end
test "for :api on private instance, fails on no token / missing scope(s)" do
clear_config([:instance, :public], false)
%{conn: bad_token_conn} = oauth_access(["irrelevant_scope"])
bad_token_conn
|> get("/test/api/fallback_oauth_check")
|> json_response(403)
bad_token_conn
|> assign(:token, nil)
|> get("/test/api/fallback_oauth_check")
|> json_response(403)
end
end
describe "skip_oauth_check" do
test "for :authenticated_api, serves if :user is set (regardless of token / token scopes)" do
user = insert(:user)
assert %{"user_id" => user.id} ==
build_conn()
|> assign(:user, user)
|> get("/test/authenticated_api/skip_oauth_check")
|> json_response(200)
%{conn: bad_token_conn, user: user} = oauth_access(["irrelevant_scope"])
assert %{"user_id" => user.id} ==
bad_token_conn
|> get("/test/authenticated_api/skip_oauth_check")
|> json_response(200)
end
test "serves via :api on public instance if :user is not set" do
clear_config([:instance, :public], true)
assert %{"user_id" => nil} ==
build_conn()
|> get("/test/api/skip_oauth_check")
|> json_response(200)
build_conn()
|> get("/test/authenticated_api/skip_oauth_check")
|> json_response(403)
end
test "fails on private instance if :user is not set" do
clear_config([:instance, :public], false)
build_conn()
|> get("/test/api/skip_oauth_check")
|> json_response(403)
build_conn()
|> get("/test/authenticated_api/skip_oauth_check")
|> json_response(403)
end
end
describe "fallback_oauth_skip_publicity_check" do
test "serves with proper OAuth token (fulfilling requested scopes)" do
%{conn: good_token_conn, user: user} = oauth_access(["read"])
assert %{"user_id" => user.id} ==
good_token_conn
|> get("/test/api/fallback_oauth_skip_publicity_check")
|> json_response(200)
# Unintended usage (:authenticated_api)
assert %{"user_id" => user.id} ==
good_token_conn
|> get("/test/authenticated_api/fallback_oauth_skip_publicity_check")
|> json_response(200)
end
test "for :api on private / public instance, drops :user and renders on token issue" do
%{conn: bad_token_conn} = oauth_access(["irrelevant_scope"])
for is_public <- [true, false] do
clear_config([:instance, :public], is_public)
assert %{"user_id" => nil} ==
bad_token_conn
|> get("/test/api/fallback_oauth_skip_publicity_check")
|> json_response(200)
assert %{"user_id" => nil} ==
bad_token_conn
|> assign(:token, nil)
|> get("/test/api/fallback_oauth_skip_publicity_check")
|> json_response(200)
end
end
end
describe "skip_oauth_skip_publicity_check" do
test "for :authenticated_api, serves if :user is set (regardless of token / token scopes)" do
user = insert(:user)
assert %{"user_id" => user.id} ==
build_conn()
|> assign(:user, user)
|> get("/test/authenticated_api/skip_oauth_skip_publicity_check")
|> json_response(200)
%{conn: bad_token_conn, user: user} = oauth_access(["irrelevant_scope"])
assert %{"user_id" => user.id} ==
bad_token_conn
|> get("/test/authenticated_api/skip_oauth_skip_publicity_check")
|> json_response(200)
end
test "for :api, serves on private and public instances regardless of whether :user is set" do
user = insert(:user)
for is_public <- [true, false] do
clear_config([:instance, :public], is_public)
assert %{"user_id" => nil} ==
build_conn()
|> get("/test/api/skip_oauth_skip_publicity_check")
|> json_response(200)
assert %{"user_id" => user.id} ==
build_conn()
|> assign(:user, user)
|> get("/test/api/skip_oauth_skip_publicity_check")
|> json_response(200)
end
end
end
describe "missing_oauth_check_definition" do
def test_missing_oauth_check_definition_failure(endpoint, expected_error) do
%{conn: conn} = oauth_access(["read", "write", "follow", "push", "admin"])
assert %{"error" => expected_error} ==
conn
|> get(endpoint)
|> json_response(403)
end
test "fails if served via :authenticated_api" do
test_missing_oauth_check_definition_failure(
"/test/authenticated_api/missing_oauth_check_definition",
"Security violation: OAuth scopes check was neither handled nor explicitly skipped."
)
end
test "fails if served via :api and the instance is private" do
clear_config([:instance, :public], false)
test_missing_oauth_check_definition_failure(
"/test/api/missing_oauth_check_definition",
"This resource requires authentication."
)
end
test "succeeds with dropped :user if served via :api on public instance" do
%{conn: conn} = oauth_access(["read", "write", "follow", "push", "admin"])
assert %{"user_id" => nil} ==
conn
|> get("/test/api/missing_oauth_check_definition")
|> json_response(200)
end
end
end

49
test/web/auth/oauth_test_controller_test.exs
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@ -1,49 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Tests.OAuthTestControllerTest do
use Pleroma.Web.ConnCase
import Pleroma.Factory
setup %{conn: conn} do
user = insert(:user)
conn = assign(conn, :user, user)
%{conn: conn, user: user}
end
test "missed_oauth", %{conn: conn} do
res =
conn
|> get("/test/authenticated_api/missed_oauth")
|> json_response(403)
assert res ==
%{
"error" =>
"Security violation: OAuth scopes check was neither handled nor explicitly skipped."
}
end
test "skipped_oauth", %{conn: conn} do
conn
|> assign(:token, nil)
|> get("/test/authenticated_api/skipped_oauth")
|> json_response(200)
end
test "performed_oauth", %{user: user} do
%{conn: good_token_conn} = oauth_access(["read"], user: user)
good_token_conn
|> get("/test/authenticated_api/performed_oauth")
|> json_response(200)
%{conn: bad_token_conn} = oauth_access(["follow"], user: user)
bad_token_conn
|> get("/test/authenticated_api/performed_oauth")
|> json_response(403)
end
end

33
test/web/mastodon_api/mastodon_api_controller_test.exs
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@ -7,35 +7,28 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
describe "empty_array/2 (stubs)" do
test "GET /api/v1/accounts/:id/identity_proofs" do
%{user: user, conn: conn} = oauth_access(["n/a"])
%{user: user, conn: conn} = oauth_access(["read:accounts"])
res =
conn
|> assign(:user, user)
|> get("/api/v1/accounts/#{user.id}/identity_proofs")
|> json_response(200)
assert res == []
assert [] ==
conn
|> get("/api/v1/accounts/#{user.id}/identity_proofs")
|> json_response(200)
end
test "GET /api/v1/endorsements" do
%{conn: conn} = oauth_access(["read:accounts"])
res =
conn
|> get("/api/v1/endorsements")
|> json_response(200)
assert res == []
assert [] ==
conn
|> get("/api/v1/endorsements")
|> json_response(200)
end
test "GET /api/v1/trends", %{conn: conn} do
res =
conn
|> get("/api/v1/trends")
|> json_response(200)
assert res == []
assert [] ==
conn
|> get("/api/v1/trends")
|> json_response(200)
end
end
end