Revert "Upstream 20240517"

app/controllers/api/base_controller.rb

@@ -1,15 +1,13 @@
 # frozen_string_literal: true
 
 class Api::BaseController < ApplicationController
-  DEFAULT_STATUSES_LIMIT       = 20
-  DEFAULT_ACCOUNTS_LIMIT       = 40
+  DEFAULT_STATUSES_LIMIT = 20
+  DEFAULT_ACCOUNTS_LIMIT = 40
 
   include Api::RateLimitHeaders
   include Api::AccessTokenTrackingConcern
   include Api::CachingConcern
   include Api::ContentSecurityPolicy
-  include Api::ErrorHandling
-  include Api::Pagination
 
   skip_before_action :require_functional!, unless: :limited_federation_mode?
 
@@ -20,6 +18,51 @@ class Api::BaseController < ApplicationController
 
   protect_from_forgery with: :null_session
 
+  rescue_from ActiveRecord::RecordInvalid, Mastodon::ValidationError do |e|
+    render json: { error: e.to_s }, status: 422
+  end
+
+  rescue_from ActiveRecord::RecordNotUnique do
+    render json: { error: 'Duplicate record' }, status: 422
+  end
+
+  rescue_from Date::Error do
+    render json: { error: 'Invalid date supplied' }, status: 422
+  end
+
+  rescue_from ActiveRecord::RecordNotFound do
+    render json: { error: 'Record not found' }, status: 404
+  end
+
+  rescue_from HTTP::Error, Mastodon::UnexpectedResponseError do
+    render json: { error: 'Remote data could not be fetched' }, status: 503
+  end
+
+  rescue_from OpenSSL::SSL::SSLError do
+    render json: { error: 'Remote SSL certificate could not be verified' }, status: 503
+  end
+
+  rescue_from Mastodon::NotPermittedError do
+    render json: { error: 'This action is not allowed' }, status: 403
+  end
+
+  rescue_from Seahorse::Client::NetworkingError do |e|
+    Rails.logger.warn "Storage server error: #{e}"
+    render json: { error: 'There was a temporary problem serving your request, please try again' }, status: 503
+  end
+
+  rescue_from Mastodon::RaceConditionError, Stoplight::Error::RedLight do
+    render json: { error: 'There was a temporary problem serving your request, please try again' }, status: 503
+  end
+
+  rescue_from Mastodon::RateLimitExceededError do
+    render json: { error: I18n.t('errors.429') }, status: 429
+  end
+
+  rescue_from ActionController::ParameterMissing, Mastodon::InvalidParameterError do |e|
+    render json: { error: e.to_s }, status: 400
+  end
+
   def doorkeeper_unauthorized_render_options(error: nil)
     { json: { error: error.try(:description) || 'Not authorized' } }
   end
@@ -30,6 +73,13 @@ class Api::BaseController < ApplicationController
 
   protected
 
+  def set_pagination_headers(next_path = nil, prev_path = nil)
+    links = []
+    links << [next_path, [%w(rel next)]] if next_path
+    links << [prev_path, [%w(rel prev)]] if prev_path
+    response.headers['Link'] = LinkHeader.new(links) unless links.empty?
+  end
+
   def limit_param(default_limit)
     return default_limit unless params[:limit]
 
@@ -58,6 +108,10 @@ class Api::BaseController < ApplicationController
     render json: { error: 'Your login is currently disabled' }, status: 403 if current_user&.account&.unavailable?
   end
 
+  def require_valid_pagination_options!
+    render json: { error: 'Pagination values for `offset` and `limit` must be positive' }, status: 400 if pagination_options_invalid?
+  end
+
   def require_user!
     if !current_user
       render json: { error: 'This method requires an authenticated user' }, status: 422
@@ -86,6 +140,10 @@ class Api::BaseController < ApplicationController
 
   private
 
+  def pagination_options_invalid?
+    params.slice(:limit, :offset).values.map(&:to_i).any?(&:negative?)
+  end
+
   def respond_with_error(code)
     render json: { error: Rack::Utils::HTTP_STATUS_CODES[code] }, status: code
   end