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[#468] Defined OAuth restrictions for all applicable routes.

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Improved missing "scopes" param handling.
Allowed "any of" / "all of" mode specification in OAuthScopesPlug.
Fixed auth UI / behavior when user selects no permissions at /oauth/authorize.
This commit is contained in:
Ivan Tashkinov 2019-02-15 19:54:37 +03:00
parent 027adbc9e5
commit 2a4a4f3342
7 changed files with 142 additions and 76 deletions
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27
lib/pleroma/plugs/oauth_scopes_plug.ex
View file

@ -7,17 +7,30 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
@behaviour Plug
def init(%{required_scopes: _} = options), do: options
def init(%{scopes: _} = options), do: options
def call(%Plug.Conn{assigns: assigns} = conn, %{required_scopes: required_scopes}) do
def call(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
op = options[:op] || :|
token = assigns[:token]
granted_scopes = token && token.scopes
if is_nil(token) || required_scopes -- granted_scopes == [] do
cond do
is_nil(token) ->
conn
else
missing_scopes = required_scopes -- granted_scopes
error_message = "Insufficient permissions: #{Enum.join(missing_scopes, ", ")}."
op == :| && scopes -- token.scopes != scopes ->
conn
op == :& && scopes -- token.scopes == [] ->
conn
options[:fallback] == :proceed_unauthenticated ->
conn
|> assign(:user, nil)
|> assign(:token, nil)
true ->
missing_scopes = scopes -- token.scopes
error_message = "Insufficient permissions: #{Enum.join(missing_scopes, " #{op} ")}."
conn
|> put_resp_content_type("application/json")

2
lib/pleroma/web/controller_helper.ex
View file

@ -6,7 +6,7 @@ defmodule Pleroma.Web.ControllerHelper do
use Pleroma.Web, :controller
def oauth_scopes(params, default) do
Pleroma.Web.OAuth.parse_scopes(params["scopes"] || params["scope"], default)
Pleroma.Web.OAuth.parse_scopes(params["scope"] || params["scopes"], default)
end
def json_response(conn, status, json) do

2
lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
View file

@ -33,7 +33,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
action_fallback(:errors)
def create_app(conn, params) do
scopes = oauth_scopes(params, [])
scopes = oauth_scopes(params, ["read"])
app_attrs =
params

9
lib/pleroma/web/oauth.ex
View file

@ -3,16 +3,13 @@
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OAuth do
def parse_scopes(scopes, default) when is_list(scopes) do
scopes = Enum.filter(scopes, &(&1 not in [nil, ""]))
if Enum.any?(scopes),
do: scopes,
else: default
def parse_scopes(scopes, _default) when is_list(scopes) do
Enum.filter(scopes, &(&1 not in [nil, ""]))
end
def parse_scopes(scopes, default) when is_binary(scopes) do
scopes
|> String.trim()
|> String.split(~r/[\s,]+/)
|> parse_scopes(default)
end

42
lib/pleroma/web/oauth/oauth_controller.ex
View file

@ -17,10 +17,20 @@ defmodule Pleroma.Web.OAuth.OAuthController do
action_fallback(Pleroma.Web.OAuth.FallbackController)
def authorize(conn, params) do
params_scopes = oauth_scopes(params, nil)
scopes =
if params_scopes do
params_scopes
else
app = Repo.get_by(App, client_id: params["client_id"])
app && app.scopes
end
render(conn, "show.html", %{
response_type: params["response_type"],
client_id: params["client_id"],
scopes: oauth_scopes(params, []),
scopes: scopes || [],
redirect_uri: params["redirect_uri"],
state: params["state"]
})
@ -33,14 +43,14 @@ defmodule Pleroma.Web.OAuth.OAuthController do
"password" => password,
"client_id" => client_id,
"redirect_uri" => redirect_uri
} = params
} = auth_params
}) do
with %User{} = user <- User.get_by_nickname_or_email(name),
true <- Pbkdf2.checkpw(password, user.password_hash),
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
%App{} = app <- Repo.get_by(App, client_id: client_id),
true <- redirect_uri in String.split(app.redirect_uris),
scopes <- oauth_scopes(params, app.scopes),
scopes <- oauth_scopes(auth_params, []),
[] <- scopes -- app.scopes,
true <- Enum.any?(scopes),
{:ok, auth} <- Authorization.create_authorization(app, user, scopes) do
@ -64,8 +74,8 @@ defmodule Pleroma.Web.OAuth.OAuthController do
url_params = %{:code => auth.token}
url_params =
if params["state"] do
Map.put(url_params, :state, params["state"])
if auth_params["state"] do
Map.put(url_params, :state, auth_params["state"])
else
url_params
end
@ -75,14 +85,20 @@ defmodule Pleroma.Web.OAuth.OAuthController do
redirect(conn, external: url)
end
else
{:auth_active, false} ->
conn
|> put_flash(:error, "Account confirmation pending")
|> put_status(:forbidden)
|> authorize(params)
res ->
msg =
if res == {:auth_active, false},
do: "Account confirmation pending",
else: "Invalid Username/Password/Permissions"
error ->
error
app = Repo.get_by(App, client_id: client_id)
available_scopes = (app && app.scopes) || oauth_scopes(auth_params, [])
scope_param = Enum.join(available_scopes, " ")
conn
|> put_flash(:error, msg)
|> put_status(:unauthorized)
|> authorize(Map.merge(auth_params, %{"scope" => scope_param}))
end
end
@ -119,6 +135,8 @@ defmodule Pleroma.Web.OAuth.OAuthController do
true <- Pbkdf2.checkpw(password, user.password_hash),
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
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 = %{

102
lib/pleroma/web/router.ex
View file

@ -74,16 +74,23 @@ defmodule Pleroma.Web.Router do
plug(Pleroma.Plugs.EnsureUserKeyPlug)
end
pipeline :oauth_read_or_unauthenticated do
plug(Pleroma.Plugs.OAuthScopesPlug, %{
scopes: ["read"],
fallback: :proceed_unauthenticated
})
end
pipeline :oauth_read do
plug(Pleroma.Plugs.OAuthScopesPlug, %{required_scopes: ["read"]})
plug(Pleroma.Plugs.OAuthScopesPlug, %{scopes: ["read"]})
end
pipeline :oauth_write do
plug(Pleroma.Plugs.OAuthScopesPlug, %{required_scopes: ["write"]})
plug(Pleroma.Plugs.OAuthScopesPlug, %{scopes: ["write"]})
end
pipeline :oauth_follow do
plug(Pleroma.Plugs.OAuthScopesPlug, %{required_scopes: ["follow"]})
plug(Pleroma.Plugs.OAuthScopesPlug, %{scopes: ["follow"]})
end
pipeline :well_known do
@ -113,6 +120,7 @@ defmodule Pleroma.Web.Router do
scope "/api/pleroma", Pleroma.Web.TwitterAPI do
pipe_through(:pleroma_api)
get("/password_reset/:token", UtilController, :show_password_reset)
post("/password_reset", UtilController, :password_reset)
get("/emoji", UtilController, :emoji)
@ -125,7 +133,8 @@ defmodule Pleroma.Web.Router do
end
scope "/api/pleroma/admin", Pleroma.Web.AdminAPI do
pipe_through(:admin_api)
pipe_through([:admin_api, :oauth_write])
delete("/user", AdminAPIController, :user_delete)
post("/user", AdminAPIController, :user_create)
put("/users/tag", AdminAPIController, :tag_users)
@ -147,9 +156,14 @@ defmodule Pleroma.Web.Router do
scope "/", Pleroma.Web.TwitterAPI do
pipe_through(:pleroma_html)
get("/ostatus_subscribe", UtilController, :remote_follow)
post("/ostatus_subscribe", UtilController, :do_remote_follow)
post("/main/ostatus", UtilController, :remote_subscribe)
get("/ostatus_subscribe", UtilController, :remote_follow)
scope [] do
pipe_through(:oauth_follow)
post("/ostatus_subscribe", UtilController, :do_remote_follow)
end
end
scope "/api/pleroma", Pleroma.Web.TwitterAPI do
@ -180,11 +194,11 @@ defmodule Pleroma.Web.Router do
scope "/api/v1", Pleroma.Web.MastodonAPI do
pipe_through(:authenticated_api)
get("/accounts/verify_credentials", MastodonAPIController, :verify_credentials)
scope [] do
pipe_through(:oauth_read)
get("/accounts/verify_credentials", MastodonAPIController, :verify_credentials)
get("/accounts/relationships", MastodonAPIController, :relationships)
get("/accounts/search", MastodonAPIController, :account_search)
@ -284,33 +298,40 @@ defmodule Pleroma.Web.Router do
scope "/api/v1", Pleroma.Web.MastodonAPI do
pipe_through(:api)
get("/instance", MastodonAPIController, :masto_instance)
get("/instance/peers", MastodonAPIController, :peers)
post("/apps", MastodonAPIController, :create_app)
get("/custom_emojis", MastodonAPIController, :custom_emojis)
get("/statuses/:id/card", MastodonAPIController, :status_card)
get("/statuses/:id/favourited_by", MastodonAPIController, :favourited_by)
get("/statuses/:id/reblogged_by", MastodonAPIController, :reblogged_by)
get("/trends", MastodonAPIController, :empty_array)
scope [] do
pipe_through(:oauth_read_or_unauthenticated)
get("/timelines/public", MastodonAPIController, :public_timeline)
get("/timelines/tag/:tag", MastodonAPIController, :hashtag_timeline)
get("/timelines/list/:list_id", MastodonAPIController, :list_timeline)
get("/statuses/:id", MastodonAPIController, :get_status)
get("/statuses/:id/context", MastodonAPIController, :get_context)
get("/statuses/:id/card", MastodonAPIController, :status_card)
get("/statuses/:id/favourited_by", MastodonAPIController, :favourited_by)
get("/statuses/:id/reblogged_by", MastodonAPIController, :reblogged_by)
get("/accounts/:id/statuses", MastodonAPIController, :user_statuses)
get("/accounts/:id/followers", MastodonAPIController, :followers)
get("/accounts/:id/following", MastodonAPIController, :following)
get("/accounts/:id", MastodonAPIController, :user)
get("/trends", MastodonAPIController, :empty_array)
get("/search", MastodonAPIController, :search)
end
end
scope "/api/v2", Pleroma.Web.MastodonAPI do
pipe_through(:api)
pipe_through([:api, :oauth_read_or_unauthenticated])
get("/search", MastodonAPIController, :search2)
end
@ -327,6 +348,21 @@ defmodule Pleroma.Web.Router do
scope "/api", Pleroma.Web do
pipe_through(:api)
post("/account/register", TwitterAPI.Controller, :register)
post("/account/password_reset", TwitterAPI.Controller, :password_reset)
post("/account/resend_confirmation_email", TwitterAPI.Controller, :resend_confirmation_email)
get(
"/account/confirm_email/:user_id/:token",
TwitterAPI.Controller,
:confirm_email,
as: :confirm_email
)
scope [] do
pipe_through(:oauth_read_or_unauthenticated)
get("/statuses/user_timeline", TwitterAPI.Controller, :user_timeline)
get("/qvitter/statuses/user_timeline", TwitterAPI.Controller, :user_timeline)
get("/users/show", TwitterAPI.Controller, :show_user)
@ -337,24 +373,13 @@ defmodule Pleroma.Web.Router do
get("/statuses/show/:id", TwitterAPI.Controller, :fetch_status)
get("/statusnet/conversation/:id", TwitterAPI.Controller, :fetch_conversation)
post("/account/register", TwitterAPI.Controller, :register)
post("/account/password_reset", TwitterAPI.Controller, :password_reset)
get(
"/account/confirm_email/:user_id/:token",
TwitterAPI.Controller,
:confirm_email,
as: :confirm_email
)
post("/account/resend_confirmation_email", TwitterAPI.Controller, :resend_confirmation_email)
get("/search", TwitterAPI.Controller, :search)
get("/statusnet/tags/timeline/:tag", TwitterAPI.Controller, :public_and_external_timeline)
end
end
scope "/api", Pleroma.Web do
pipe_through(:api)
pipe_through([:api, :oauth_read_or_unauthenticated])
get("/statuses/public_timeline", TwitterAPI.Controller, :public_timeline)
@ -368,19 +393,19 @@ defmodule Pleroma.Web.Router do
end
scope "/api", Pleroma.Web, as: :twitter_api_search do
pipe_through(:api)
pipe_through([:api, :oauth_read_or_unauthenticated])
get("/pleroma/search_user", TwitterAPI.Controller, :search_user)
end
scope "/api", Pleroma.Web, as: :authenticated_twitter_api do
pipe_through(:authenticated_api)
get("/account/verify_credentials", TwitterAPI.Controller, :verify_credentials)
post("/account/verify_credentials", TwitterAPI.Controller, :verify_credentials)
scope [] do
pipe_through(:oauth_read)
get("/account/verify_credentials", TwitterAPI.Controller, :verify_credentials)
post("/account/verify_credentials", TwitterAPI.Controller, :verify_credentials)
get("/statuses/home_timeline", TwitterAPI.Controller, :friends_timeline)
get("/statuses/friends_timeline", TwitterAPI.Controller, :friends_timeline)
get("/statuses/mentions", TwitterAPI.Controller, :mentions_timeline)
@ -506,10 +531,17 @@ defmodule Pleroma.Web.Router do
scope "/", Pleroma.Web.ActivityPub do
pipe_through([:activitypub_client])
scope [] do
pipe_through(:oauth_read)
get("/api/ap/whoami", ActivityPubController, :whoami)
get("/users/:nickname/inbox", ActivityPubController, :read_inbox)
end
scope [] do
pipe_through(:oauth_write)
post("/users/:nickname/outbox", ActivityPubController, :update_outbox)
end
end
scope "/relay", Pleroma.Web.ActivityPub do
pipe_through(:ap_relay)
@ -518,6 +550,7 @@ defmodule Pleroma.Web.Router do
scope "/", Pleroma.Web.ActivityPub do
pipe_through(:activitypub)
post("/users/:nickname/inbox", ActivityPubController, :inbox)
post("/inbox", ActivityPubController, :inbox)
end
@ -538,8 +571,12 @@ defmodule Pleroma.Web.Router do
pipe_through(:mastodon_html)
get("/web/login", MastodonAPIController, :login)
get("/web/*path", MastodonAPIController, :index)
delete("/auth/sign_out", MastodonAPIController, :logout)
scope [] do
pipe_through(:oauth_read)
get("/web/*path", MastodonAPIController, :index)
end
end
pipeline :remote_media do
@ -547,6 +584,7 @@ defmodule Pleroma.Web.Router do
scope "/proxy/", Pleroma.Web.MediaProxy do
pipe_through(:remote_media)
get("/:sig/:url", MediaProxyController, :remote)
get("/:sig/:url/:filename", MediaProxyController, :remote)
end

2
lib/pleroma/web/templates/o_auth/o_auth/show.html.eex
View file

@ -14,7 +14,7 @@
<%= label f, :scope, "Permissions" %>
<br>
<%= for scope <- @scopes do %>
<%= checkbox f, :"scopes_#{scope}", hidden_input: false, value: scope, checked_value: scope, name: "authorization[scopes][]" %>
<%= checkbox f, :"scopes_#{scope}", value: scope, checked_value: scope, unchecked_value: "", name: "authorization[scopes][]" %>
<%= label f, :"scopes_#{scope}", String.capitalize(scope) %>
<br>
<% end %>