From 163341857a726e8d74b6ddcd1230579e4c36a1b5 Mon Sep 17 00:00:00 2001 From: Egor Kislitsyn Date: Fri, 17 Apr 2020 19:27:22 +0400 Subject: [PATCH] Improve OpenAPI errors --- lib/pleroma/web/api_spec/render_error.ex | 220 +++++++++++++++++- .../controllers/account_controller_test.exs | 11 +- 2 files changed, 222 insertions(+), 9 deletions(-) diff --git a/lib/pleroma/web/api_spec/render_error.ex b/lib/pleroma/web/api_spec/render_error.ex index 9184c43b6..b5877ca9c 100644 --- a/lib/pleroma/web/api_spec/render_error.ex +++ b/lib/pleroma/web/api_spec/render_error.ex @@ -5,23 +5,227 @@ defmodule Pleroma.Web.ApiSpec.RenderError do @behaviour Plug - alias OpenApiSpex.Plug.JsonRenderError - alias Plug.Conn + import Plug.Conn, only: [put_status: 2] + import Phoenix.Controller, only: [json: 2] + import Pleroma.Web.Gettext @impl Plug def init(opts), do: opts @impl Plug - def call(%{private: %{open_api_spex: %{operation_id: "AccountController.create"}}} = conn, _) do + def call(conn, errors) do + errors = + Enum.map(errors, fn + %{name: nil} = err -> + %OpenApiSpex.Cast.Error{err | name: List.last(err.path)} + + err -> + err + end) + conn - |> Conn.put_status(:bad_request) - |> Phoenix.Controller.json(%{"error" => "Missing parameters"}) + |> put_status(:bad_request) + |> json(%{ + error: errors |> Enum.map(&message/1) |> Enum.join(" "), + errors: errors |> Enum.map(&render_error/1) + }) end - def call(conn, reason) do - opts = JsonRenderError.init(reason) + defp render_error(error) do + pointer = OpenApiSpex.path_to_string(error) - JsonRenderError.call(conn, opts) + %{ + title: "Invalid value", + source: %{ + pointer: pointer + }, + message: OpenApiSpex.Cast.Error.message(error) + } + end + + defp message(%{reason: :invalid_schema_type, type: type, name: name}) do + gettext("%{name} - Invalid schema.type. Got: %{type}.", + name: name, + type: inspect(type) + ) + end + + defp message(%{reason: :null_value, name: name} = error) do + case error.type do + nil -> + gettext("%{name} - null value.", name: name) + + type -> + gettext("%{name} - null value where %{type} expected.", + name: name, + type: type + ) + end + end + + defp message(%{reason: :all_of, meta: %{invalid_schema: invalid_schema}}) do + gettext( + "Failed to cast value as %{invalid_schema}. Value must be castable using `allOf` schemas listed.", + invalid_schema: invalid_schema + ) + end + + defp message(%{reason: :any_of, meta: %{failed_schemas: failed_schemas}}) do + gettext("Failed to cast value using any of: %{failed_schemas}.", + failed_schemas: failed_schemas + ) + end + + defp message(%{reason: :one_of, meta: %{failed_schemas: failed_schemas}}) do + gettext("Failed to cast value to one of: %{failed_schemas}.", failed_schemas: failed_schemas) + end + + defp message(%{reason: :min_length, length: length, name: name}) do + gettext("%{name} - String length is smaller than minLength: %{length}.", + name: name, + length: length + ) + end + + defp message(%{reason: :max_length, length: length, name: name}) do + gettext("%{name} - String length is larger than maxLength: %{length}.", + name: name, + length: length + ) + end + + defp message(%{reason: :unique_items, name: name}) do + gettext("%{name} - Array items must be unique.", name: name) + end + + defp message(%{reason: :min_items, length: min, value: array, name: name}) do + gettext("%{name} - Array length %{length} is smaller than minItems: %{min}.", + name: name, + length: length(array), + min: min + ) + end + + defp message(%{reason: :max_items, length: max, value: array, name: name}) do + gettext("%{name} - Array length %{length} is larger than maxItems: %{}.", + name: name, + length: length(array), + max: max + ) + end + + defp message(%{reason: :multiple_of, length: multiple, value: count, name: name}) do + gettext("%{name} - %{count} is not a multiple of %{multiple}.", + name: name, + count: count, + multiple: multiple + ) + end + + defp message(%{reason: :exclusive_max, length: max, value: value, name: name}) + when value >= max do + gettext("%{name} - %{value} is larger than exclusive maximum %{max}.", + name: name, + value: value, + max: max + ) + end + + defp message(%{reason: :maximum, length: max, value: value, name: name}) + when value > max do + gettext("%{name} - %{value} is larger than inclusive maximum %{max}.", + name: name, + value: value, + max: max + ) + end + + defp message(%{reason: :exclusive_multiple, length: min, value: value, name: name}) + when value <= min do + gettext("%{name} - %{value} is smaller than exclusive minimum %{min}.", + name: name, + value: value, + min: min + ) + end + + defp message(%{reason: :minimum, length: min, value: value, name: name}) + when value < min do + gettext("%{name} - %{value} is smaller than inclusive minimum %{min}.", + name: name, + value: value, + min: min + ) + end + + defp message(%{reason: :invalid_type, type: type, value: value, name: name}) do + gettext("%{name} - Invalid %{type}. Got: %{value}.", + name: name, + value: OpenApiSpex.TermType.type(value), + type: type + ) + end + + defp message(%{reason: :invalid_format, format: format, name: name}) do + gettext("%{name} - Invalid format. Expected %{format}.", name: name, format: inspect(format)) + end + + defp message(%{reason: :invalid_enum, name: name}) do + gettext("%{name} - Invalid value for enum.", name: name) + end + + defp message(%{reason: :polymorphic_failed, type: polymorphic_type}) do + gettext("Failed to cast to any schema in %{polymorphic_type}", + polymorphic_type: polymorphic_type + ) + end + + defp message(%{reason: :unexpected_field, name: name}) do + gettext("Unexpected field: %{name}.", name: safe_string(name)) + end + + defp message(%{reason: :no_value_for_discriminator, name: field}) do + gettext("Value used as discriminator for `%{field}` matches no schemas.", name: field) + end + + defp message(%{reason: :invalid_discriminator_value, name: field}) do + gettext("No value provided for required discriminator `%{field}`.", name: field) + end + + defp message(%{reason: :unknown_schema, name: name}) do + gettext("Unknown schema: %{name}.", name: name) + end + + defp message(%{reason: :missing_field, name: name}) do + gettext("Missing field: %{name}.", name: name) + end + + defp message(%{reason: :missing_header, name: name}) do + gettext("Missing header: %{name}.", name: name) + end + + defp message(%{reason: :invalid_header, name: name}) do + gettext("Invalid value for header: %{name}.", name: name) + end + + defp message(%{reason: :max_properties, meta: meta}) do + gettext( + "Object property count %{property_count} is greater than maxProperties: %{max_properties}.", + property_count: meta.property_count, + max_properties: meta.max_properties + ) + end + + defp message(%{reason: :min_properties, meta: meta}) do + gettext( + "Object property count %{property_count} is less than minProperties: %{min_properties}", + property_count: meta.property_count, + min_properties: meta.min_properties + ) + end + + defp safe_string(string) do + to_string(string) |> String.slice(0..39) end end diff --git a/test/web/mastodon_api/controllers/account_controller_test.exs b/test/web/mastodon_api/controllers/account_controller_test.exs index 86136f7e4..133d7f642 100644 --- a/test/web/mastodon_api/controllers/account_controller_test.exs +++ b/test/web/mastodon_api/controllers/account_controller_test.exs @@ -952,7 +952,16 @@ test "returns bad_request if missing required params", %{ |> post("/api/v1/accounts", Map.delete(valid_params, attr)) |> json_response(400) - assert res == %{"error" => "Missing parameters"} + assert res == %{ + "error" => "Missing field: #{attr}.", + "errors" => [ + %{ + "message" => "Missing field: #{attr}", + "source" => %{"pointer" => "/#{attr}"}, + "title" => "Invalid value" + } + ] + } end) end