Merge branch 'bugfix/oauth2-param-name' into 'develop'

[akkoma] / lib / pleroma / web / oauth / oauth_controller.ex

diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 05f3666117bb7a3977d409adbb8bf4f7e2107eba..a5fb32a4e774752c27537598f135470e71d59482 100644 (file)
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -29,7 +29,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
             "redirect_uri" => redirect_uri
           } = params
       }) do
-    with %User{} = user <- User.get_cached_by_nickname(name),
+    with %User{} = user <- User.get_by_nickname_or_email(name),
          true <- Pbkdf2.checkpw(password, user.password_hash),
          %App{} = app <- Repo.get_by(App, client_id: client_id),
          {:ok, auth} <- Authorization.create_authorization(app, user) do
@@ -56,14 +56,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   # TODO
   # - proper scope handling
   def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
-    with %App{} = app <-
-           Repo.get_by(
-             App,
-             client_id: params["client_id"],
-             client_secret: params["client_secret"]
-           ),
+    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),
+         %Authorization{} = auth <-
+           Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
          {:ok, token} <- Token.exchange_token(app, auth) do
       response = %{
         token_type: "Bearer",
@@ -75,7 +71,9 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
       json(conn, response)
     else
-      _error -> json(conn, %{error: "Invalid credentials"})
+      _error ->
+        put_status(conn, 400)
+        |> json(%{error: "Invalid credentials"})
     end
   end
 
@@ -83,15 +81,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   # - investigate a way to verify the user wants to grant read/write/follow once scope handling is done
   def token_exchange(
         conn,
-        %{"grant_type" => "password", "name" => name, "password" => password} = params
+        %{"grant_type" => "password", "username" => name, "password" => password} = params
       ) do
-    with %App{} = app <-
-           Repo.get_by(
-             App,
-             client_id: params["client_id"],
-             client_secret: params["client_secret"]
-           ),
-         %User{} = user <- User.get_cached_by_nickname(name),
+    with %App{} = app <- get_app_from_request(conn, params),
+         %User{} = user <- User.get_by_nickname_or_email(name),
          true <- Pbkdf2.checkpw(password, user.password_hash),
          {:ok, auth} <- Authorization.create_authorization(app, user),
          {:ok, token} <- Token.exchange_token(app, auth) do
@@ -105,13 +98,51 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
       json(conn, response)
     else
-      _error -> json(conn, %{error: "Invalid credentials"})
+      _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
+
   defp fix_padding(token) do
     token
     |> Base.url_decode64!(padding: false)
     |> Base.url_encode64()
   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
 end