Fix error when passing unknown filter param in REST API

app/controllers/api/base_controller.rb

@@ -57,7 +57,7 @@ class Api::BaseController < ApplicationController
     render json: { error: I18n.t('errors.429') }, status: 429
   end
 
-  rescue_from ActionController::ParameterMissing do |e|
+  rescue_from ActionController::ParameterMissing, Mastodon::InvalidParameterError do |e|
     render json: { error: e.to_s }, status: 400
   end
 

app/models/account_filter.rb

@@ -57,7 +57,7 @@ def scope_for(key, value)
     when 'order'
       order_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -68,7 +68,7 @@ def origin_scope(value)
     when 'remote'
       Account.remote
     else
-      raise "Unknown origin: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown origin: #{value}"
     end
   end
 
@@ -84,8 +84,10 @@ def status_scope(value)
       accounts_with_users.merge(User.disabled)
     when 'silenced'
       Account.silenced
+    when 'sensitized'
+      Account.sensitized
     else
-      raise "Unknown status: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown status: #{value}"
     end
   end
 
@@ -96,7 +98,7 @@ def order_scope(value)
     when 'recent'
       Account.recent
     else
-      raise "Unknown order: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown order: #{value}"
     end
   end
 

app/models/admin/action_log_filter.rb

@@ -95,7 +95,7 @@ def scope_for(key, value)
       account = Account.find_or_initialize_by(id: value)
       Admin::ActionLog.where(target: [account, account.user].compact)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 end

app/models/admin/appeal_filter.rb

@@ -30,7 +30,7 @@ def scope_for(key, value)
     when 'status'
       status_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -43,7 +43,7 @@ def status_scope(value)
     when 'pending'
       Appeal.pending
     else
-      raise "Unknown status: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown status: #{value}"
     end
   end
 end

app/models/admin/status_filter.rb

@@ -32,7 +32,7 @@ def scope_for(key, _value)
     when 'media'
       Status.joins(:media_attachments).merge(@account.media_attachments.reorder(nil)).group(:id).reorder('statuses.id desc')
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 end

app/models/announcement_filter.rb

@@ -33,7 +33,7 @@ def scope_for(key, _value)
     when 'unpublished'
       Announcement.unpublished
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 end

app/models/custom_emoji_filter.rb

@@ -39,7 +39,7 @@ def scope_for(key, value)
     when 'shortcode'
       CustomEmoji.search(value.strip)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 end

app/models/instance_filter.rb

@@ -36,7 +36,7 @@ def scope_for(key, value)
     when 'availability'
       availability_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -47,7 +47,7 @@ def availability_scope(value)
     when 'unavailable'
       Instance.joins(:unavailable_domain)
     else
-      raise "Unknown availability: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown availability: #{value}"
     end
   end
 end

app/models/invite_filter.rb

@@ -31,7 +31,7 @@ def scope_for(key, _value)
     when 'expired'
       Invite.expired
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 end

app/models/relationship_filter.rb

@@ -53,7 +53,7 @@ def scope_for(key, value)
     when 'activity'
       activity_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -68,7 +68,7 @@ def relationship_scope(value)
     when 'invited'
       Account.joins(user: :invite).merge(Invite.where(user: account.user)).eager_load(:account_stat).reorder(nil)
     else
-      raise "Unknown relationship: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown relationship: #{value}"
     end
   end
 
@@ -83,7 +83,7 @@ def location_scope(value)
     when 'remote'
       Account.remote
     else
-      raise "Unknown location: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown location: #{value}"
     end
   end
 
@@ -94,7 +94,7 @@ def status_scope(value)
     when 'primary'
       Account.where(moved_to_account_id: nil)
     else
-      raise "Unknown status: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown status: #{value}"
     end
   end
 
@@ -105,7 +105,7 @@ def order_scope(value)
     when 'recent'
       params[:relationship] == 'invited' ? Account.recent : Follow.recent
     else
-      raise "Unknown order: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown order: #{value}"
     end
   end
 
@@ -114,7 +114,7 @@ def activity_scope(value)
     when 'dormant'
       AccountStat.where(last_status_at: nil).or(AccountStat.where(AccountStat.arel_table[:last_status_at].lt(1.month.ago)))
     else
-      raise "Unknown activity: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown activity: #{value}"
     end
   end
 end

app/models/report_filter.rb

@@ -38,7 +38,7 @@ def scope_for(key, value)
     when :target_origin
       target_origin_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -49,7 +49,7 @@ def target_origin_scope(value)
     when :remote
       Report.where(target_account: Account.remote)
     else
-      raise "Unknown value: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown value: #{value}"
     end
   end
 end

app/models/trends/preview_card_filter.rb

@@ -40,7 +40,7 @@ def scope_for(key, value)
     when 'locale'
       PreviewCardTrend.where(language: value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 

app/models/trends/preview_card_provider_filter.rb

@@ -30,7 +30,7 @@ def scope_for(key, value)
     when 'status'
       status_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -43,7 +43,7 @@ def status_scope(value)
     when 'pending_review'
       PreviewCardProvider.pending_review
     else
-      raise "Unknown status: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown status: #{value}"
     end
   end
 end

app/models/trends/status_filter.rb

@@ -40,7 +40,7 @@ def scope_for(key, value)
     when 'locale'
       StatusTrend.where(language: value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 

lib/exceptions.rb

@@ -11,6 +11,7 @@ class StreamValidationError < ValidationError; end
   class RaceConditionError < Error; end
   class RateLimitExceededError < Error; end
   class SyntaxError < Error; end
+  class InvalidParameterError < Error; end
 
   class UnexpectedResponseError < Error
     attr_reader :response

spec/models/custom_emoji_filter_spec.rb

@@ -50,10 +50,10 @@
       context 'else' do
         let(:params) { { else: 'else' } }
 
-        it 'raises RuntimeError' do
+        it 'raises Mastodon::InvalidParameterError' do
           expect do
             subject
-          end.to raise_error(RuntimeError, /Unknown filter: else/)
+          end.to raise_error(Mastodon::InvalidParameterError, /Unknown filter: else/)
         end
       end
     end