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diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 26d53df1a..aac8f97fc 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -1,245 +1,251 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OAuth.OAuthController do
use Pleroma.Web, :controller
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.Auth.Authenticator
alias Pleroma.Web.ControllerHelper
alias Pleroma.Web.OAuth.App
alias Pleroma.Web.OAuth.Authorization
alias Pleroma.Web.OAuth.Token
import Pleroma.Web.ControllerHelper, only: [oauth_scopes: 2]
plug(:fetch_session)
plug(:fetch_flash)
action_fallback(Pleroma.Web.OAuth.FallbackController)
def authorize(%{assigns: %{token: %Token{} = token}} = conn, params) do
if ControllerHelper.truthy_param?(params["force_login"]) do
do_authorize(conn, params)
else
redirect_uri =
if is_binary(params["redirect_uri"]) do
params["redirect_uri"]
else
app = Repo.preload(token, :app).app
app.redirect_uris
|> String.split()
|> Enum.at(0)
end
redirect(conn, external: redirect_uri(conn, redirect_uri))
end
end
def authorize(conn, params), do: do_authorize(conn, params)
defp do_authorize(conn, params) do
app = Repo.get_by(App, client_id: params["client_id"])
available_scopes = (app && app.scopes) || []
scopes = oauth_scopes(params, nil) || available_scopes
render(conn, Authenticator.auth_template(), %{
response_type: params["response_type"],
client_id: params["client_id"],
available_scopes: available_scopes,
scopes: scopes,
redirect_uri: params["redirect_uri"],
state: params["state"],
params: params
})
end
def create_authorization(conn, %{
"authorization" =>
%{
"client_id" => client_id,
"redirect_uri" => redirect_uri
} = auth_params
}) do
with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn)},
%App{} = app <- Repo.get_by(App, client_id: client_id),
true <- redirect_uri in String.split(app.redirect_uris),
scopes <- oauth_scopes(auth_params, []),
{:unsupported_scopes, []} <- {:unsupported_scopes, scopes -- app.scopes},
# Note: `scope` param is intentionally not optional in this context
{:missing_scopes, false} <- {:missing_scopes, scopes == []},
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
{:ok, auth} <- Authorization.create_authorization(app, user, scopes) do
redirect_uri = redirect_uri(conn, redirect_uri)
cond do
redirect_uri == "urn:ietf:wg:oauth:2.0:oob" ->
render(conn, "results.html", %{
auth: auth
})
true ->
connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
url = "#{redirect_uri}#{connector}"
url_params = %{:code => auth.token}
url_params =
if auth_params["state"] do
Map.put(url_params, :state, auth_params["state"])
else
url_params
end
url = "#{url}#{Plug.Conn.Query.encode(url_params)}"
redirect(conn, external: url)
end
else
{scopes_issue, _} when scopes_issue in [:unsupported_scopes, :missing_scopes] ->
# Per https://github.com/tootsuite/mastodon/blob/
# 51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L39
conn
|> put_flash(:error, "This action is outside the authorized scopes")
|> put_status(:unauthorized)
|> authorize(auth_params)
{:auth_active, false} ->
# Per https://github.com/tootsuite/mastodon/blob/
# 51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
conn
|> put_flash(:error, "Your login is missing a confirmed e-mail address")
|> put_status(:forbidden)
|> authorize(auth_params)
error ->
Authenticator.handle_error(conn, error)
end
end
def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
with %App{} = app <- get_app_from_request(conn, params),
fixed_token = fix_padding(params["code"]),
%Authorization{} = auth <-
Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
%User{} = user <- User.get_by_id(auth.user_id),
{:ok, token} <- Token.exchange_token(app, auth),
{:ok, inserted_at} <- DateTime.from_naive(token.inserted_at, "Etc/UTC") do
response = %{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
created_at: DateTime.to_unix(inserted_at),
expires_in: 60 * 10,
scope: Enum.join(token.scopes, " "),
me: user.ap_id
}
json(conn, response)
else
_error ->
put_status(conn, 400)
|> json(%{error: "Invalid credentials"})
end
end
def token_exchange(
conn,
%{"grant_type" => "password"} = params
) do
with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn)},
%App{} = app <- get_app_from_request(conn, params),
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
+ {:user_active, true} <- {:user_active, !user.info.deactivated},
scopes <- oauth_scopes(params, app.scopes),
[] <- scopes -- app.scopes,
true <- Enum.any?(scopes),
{:ok, auth} <- Authorization.create_authorization(app, user, scopes),
{:ok, token} <- Token.exchange_token(app, auth) do
response = %{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
expires_in: 60 * 10,
scope: Enum.join(token.scopes, " "),
me: user.ap_id
}
json(conn, response)
else
{:auth_active, false} ->
# Per https://github.com/tootsuite/mastodon/blob/
# 51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
conn
|> put_status(:forbidden)
|> json(%{error: "Your login is missing a confirmed e-mail address"})
+ {:user_active, false} ->
+ conn
+ |> put_status(:forbidden)
+ |> json(%{error: "Your account is currently disabled"})
+
_error ->
put_status(conn, 400)
|> json(%{error: "Invalid credentials"})
end
end
def token_exchange(
conn,
%{"grant_type" => "password", "name" => name, "password" => _password} = params
) do
params =
params
|> Map.delete("name")
|> Map.put("username", name)
token_exchange(conn, params)
end
def token_revoke(conn, %{"token" => token} = params) do
with %App{} = app <- get_app_from_request(conn, params),
%Token{} = token <- Repo.get_by(Token, token: token, app_id: app.id),
{:ok, %Token{}} <- Repo.delete(token) do
json(conn, %{})
else
_error ->
# RFC 7009: invalid tokens [in the request] do not cause an error response
json(conn, %{})
end
end
# XXX - for whatever reason our token arrives urlencoded, but Plug.Conn should be
# decoding it. Investigate sometime.
defp fix_padding(token) do
token
|> URI.decode()
|> Base.url_decode64!(padding: false)
|> Base.url_encode64(padding: false)
end
defp get_app_from_request(conn, params) do
# Per RFC 6749, HTTP Basic is preferred to body params
{client_id, client_secret} =
with ["Basic " <> encoded] <- get_req_header(conn, "authorization"),
{:ok, decoded} <- Base.decode64(encoded),
[id, secret] <-
String.split(decoded, ":")
|> Enum.map(fn s -> URI.decode_www_form(s) end) do
{id, secret}
else
_ -> {params["client_id"], params["client_secret"]}
end
if client_id && client_secret do
Repo.get_by(
App,
client_id: client_id,
client_secret: client_secret
)
else
nil
end
end
# Special case: Local MastodonFE
defp redirect_uri(conn, "."), do: mastodon_api_url(conn, :login)
defp redirect_uri(_conn, redirect_uri), do: redirect_uri
end
diff --git a/test/web/oauth/oauth_controller_test.exs b/test/web/oauth/oauth_controller_test.exs
index a9a0b9ed4..a68528420 100644
--- a/test/web/oauth/oauth_controller_test.exs
+++ b/test/web/oauth/oauth_controller_test.exs
@@ -1,348 +1,374 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OAuth.OAuthControllerTest do
use Pleroma.Web.ConnCase
import Pleroma.Factory
alias Pleroma.Repo
alias Pleroma.Web.OAuth.Authorization
alias Pleroma.Web.OAuth.Token
describe "GET /oauth/authorize" do
setup do
session_opts = [
store: :cookie,
key: "_test",
signing_salt: "cooldude"
]
[
app: insert(:oauth_app, redirect_uris: "https://redirect.url"),
conn:
build_conn()
|> Plug.Session.call(Plug.Session.init(session_opts))
|> fetch_session()
]
end
test "renders authentication page", %{app: app, conn: conn} do
conn =
get(
conn,
"/oauth/authorize",
%{
"response_type" => "code",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"scope" => "read"
}
)
assert html_response(conn, 200) =~ ~s(type="submit")
end
test "renders authentication page if user is already authenticated but `force_login` is tru-ish",
%{app: app, conn: conn} do
token = insert(:oauth_token, app_id: app.id)
conn =
conn
|> put_session(:oauth_token, token.token)
|> get(
"/oauth/authorize",
%{
"response_type" => "code",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"scope" => "read",
"force_login" => "true"
}
)
assert html_response(conn, 200) =~ ~s(type="submit")
end
test "redirects to app if user is already authenticated", %{app: app, conn: conn} do
token = insert(:oauth_token, app_id: app.id)
conn =
conn
|> put_session(:oauth_token, token.token)
|> get(
"/oauth/authorize",
%{
"response_type" => "code",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"scope" => "read"
}
)
assert redirected_to(conn) == "https://redirect.url"
end
end
describe "POST /oauth/authorize" do
test "redirects with oauth authorization" do
user = insert(:user)
app = insert(:oauth_app, scopes: ["read", "write", "follow"])
conn =
build_conn()
|> post("/oauth/authorize", %{
"authorization" => %{
"name" => user.nickname,
"password" => "test",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"scope" => "read write",
"state" => "statepassed"
}
})
target = redirected_to(conn)
assert target =~ app.redirect_uris
query = URI.parse(target).query |> URI.query_decoder() |> Map.new()
assert %{"state" => "statepassed", "code" => code} = query
auth = Repo.get_by(Authorization, token: code)
assert auth
assert auth.scopes == ["read", "write"]
end
test "returns 401 for wrong credentials", %{conn: conn} do
user = insert(:user)
app = insert(:oauth_app)
result =
conn
|> post("/oauth/authorize", %{
"authorization" => %{
"name" => user.nickname,
"password" => "wrong",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"state" => "statepassed",
"scope" => Enum.join(app.scopes, " ")
}
})
|> html_response(:unauthorized)
# Keep the details
assert result =~ app.client_id
assert result =~ app.redirect_uris
# Error message
assert result =~ "Invalid Username/Password"
end
test "returns 401 for missing scopes", %{conn: conn} do
user = insert(:user)
app = insert(:oauth_app)
result =
conn
|> post("/oauth/authorize", %{
"authorization" => %{
"name" => user.nickname,
"password" => "test",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"state" => "statepassed",
"scope" => ""
}
})
|> html_response(:unauthorized)
# Keep the details
assert result =~ app.client_id
assert result =~ app.redirect_uris
# Error message
assert result =~ "This action is outside the authorized scopes"
end
test "returns 401 for scopes beyond app scopes", %{conn: conn} do
user = insert(:user)
app = insert(:oauth_app, scopes: ["read", "write"])
result =
conn
|> post("/oauth/authorize", %{
"authorization" => %{
"name" => user.nickname,
"password" => "test",
"client_id" => app.client_id,
"redirect_uri" => app.redirect_uris,
"state" => "statepassed",
"scope" => "read write follow"
}
})
|> html_response(:unauthorized)
# Keep the details
assert result =~ app.client_id
assert result =~ app.redirect_uris
# Error message
assert result =~ "This action is outside the authorized scopes"
end
end
describe "POST /oauth/token" do
test "issues a token for an all-body request" do
user = insert(:user)
app = insert(:oauth_app, scopes: ["read", "write"])
{:ok, auth} = Authorization.create_authorization(app, user, ["write"])
conn =
build_conn()
|> post("/oauth/token", %{
"grant_type" => "authorization_code",
"code" => auth.token,
"redirect_uri" => app.redirect_uris,
"client_id" => app.client_id,
"client_secret" => app.client_secret
})
assert %{"access_token" => token, "me" => ap_id} = json_response(conn, 200)
token = Repo.get_by(Token, token: token)
assert token
assert token.scopes == auth.scopes
assert user.ap_id == ap_id
end
test "issues a token for `password` grant_type with valid credentials, with full permissions by default" do
password = "testpassword"
user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
app = insert(:oauth_app, scopes: ["read", "write"])
# Note: "scope" param is intentionally omitted
conn =
build_conn()
|> post("/oauth/token", %{
"grant_type" => "password",
"username" => user.nickname,
"password" => password,
"client_id" => app.client_id,
"client_secret" => app.client_secret
})
assert %{"access_token" => token} = json_response(conn, 200)
token = Repo.get_by(Token, token: token)
assert token
assert token.scopes == app.scopes
end
test "issues a token for request with HTTP basic auth client credentials" do
user = insert(:user)
app = insert(:oauth_app, scopes: ["scope1", "scope2", "scope3"])
{:ok, auth} = Authorization.create_authorization(app, user, ["scope1", "scope2"])
assert auth.scopes == ["scope1", "scope2"]
app_encoded =
(URI.encode_www_form(app.client_id) <> ":" <> URI.encode_www_form(app.client_secret))
|> Base.encode64()
conn =
build_conn()
|> put_req_header("authorization", "Basic " <> app_encoded)
|> post("/oauth/token", %{
"grant_type" => "authorization_code",
"code" => auth.token,
"redirect_uri" => app.redirect_uris
})
assert %{"access_token" => token, "scope" => scope} = json_response(conn, 200)
assert scope == "scope1 scope2"
token = Repo.get_by(Token, token: token)
assert token
assert token.scopes == ["scope1", "scope2"]
end
test "rejects token exchange with invalid client credentials" do
user = insert(:user)
app = insert(:oauth_app)
{:ok, auth} = Authorization.create_authorization(app, user)
conn =
build_conn()
|> put_req_header("authorization", "Basic JTIxOiVGMCU5RiVBNCVCNwo=")
|> post("/oauth/token", %{
"grant_type" => "authorization_code",
"code" => auth.token,
"redirect_uri" => app.redirect_uris
})
assert resp = json_response(conn, 400)
assert %{"error" => _} = resp
refute Map.has_key?(resp, "access_token")
end
test "rejects token exchange for valid credentials belonging to unconfirmed user and confirmation is required" do
setting = Pleroma.Config.get([:instance, :account_activation_required])
unless setting do
Pleroma.Config.put([:instance, :account_activation_required], true)
on_exit(fn -> Pleroma.Config.put([:instance, :account_activation_required], setting) end)
end
password = "testpassword"
user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
info_change = Pleroma.User.Info.confirmation_changeset(user.info, :unconfirmed)
{:ok, user} =
user
|> Ecto.Changeset.change()
|> Ecto.Changeset.put_embed(:info, info_change)
|> Repo.update()
refute Pleroma.User.auth_active?(user)
app = insert(:oauth_app)
conn =
build_conn()
|> post("/oauth/token", %{
"grant_type" => "password",
"username" => user.nickname,
"password" => password,
"client_id" => app.client_id,
"client_secret" => app.client_secret
})
assert resp = json_response(conn, 403)
assert %{"error" => _} = resp
refute Map.has_key?(resp, "access_token")
end
+ test "rejects token exchange for valid credentials belonging to deactivated user" do
+ password = "testpassword"
+
+ user =
+ insert(:user,
+ password_hash: Comeonin.Pbkdf2.hashpwsalt(password),
+ info: %{deactivated: true}
+ )
+
+ app = insert(:oauth_app)
+
+ conn =
+ build_conn()
+ |> post("/oauth/token", %{
+ "grant_type" => "password",
+ "username" => user.nickname,
+ "password" => password,
+ "client_id" => app.client_id,
+ "client_secret" => app.client_secret
+ })
+
+ assert resp = json_response(conn, 403)
+ assert %{"error" => _} = resp
+ refute Map.has_key?(resp, "access_token")
+ end
+
test "rejects an invalid authorization code" do
app = insert(:oauth_app)
conn =
build_conn()
|> post("/oauth/token", %{
"grant_type" => "authorization_code",
"code" => "Imobviouslyinvalid",
"redirect_uri" => app.redirect_uris,
"client_id" => app.client_id,
"client_secret" => app.client_secret
})
assert resp = json_response(conn, 400)
assert %{"error" => _} = json_response(conn, 400)
refute Map.has_key?(resp, "access_token")
end
end
end

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