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authorEugen Rochko <eugen@zeonfederated.com>2020-02-27 12:32:54 +0100
committerGitHub <noreply@github.com>2020-02-27 12:32:54 +0100
commit0c28a505dddd13e2773cd3d5e0beef76a21eb415 (patch)
treeefbe459449b07cadedf57e3f344d617ed7a98b39 /app/controllers
parent7face973fa1c7d6c18b06d427ea0b7a741d11466 (diff)
Fix leak of arbitrary statuses through unfavourite action in REST API (#13161)
Diffstat (limited to 'app/controllers')
-rw-r--r--app/controllers/api/v1/statuses/bookmarks_controller.rb27
-rw-r--r--app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb3
-rw-r--r--app/controllers/api/v1/statuses/favourites_controller.rb26
-rw-r--r--app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb3
-rw-r--r--app/controllers/api/v1/statuses/reblogs_controller.rb27
5 files changed, 35 insertions, 51 deletions
diff --git a/app/controllers/api/v1/statuses/bookmarks_controller.rb b/app/controllers/api/v1/statuses/bookmarks_controller.rb
index bb9729cf5..a7f1eed00 100644
--- a/app/controllers/api/v1/statuses/bookmarks_controller.rb
+++ b/app/controllers/api/v1/statuses/bookmarks_controller.rb
@@ -5,35 +5,28 @@ class Api::V1::Statuses::BookmarksController < Api::BaseController
 
   before_action -> { doorkeeper_authorize! :write, :'write:bookmarks' }
   before_action :require_user!
+  before_action :set_status
 
   respond_to :json
 
   def create
-    @status = bookmarked_status
+    current_account.bookmarks.find_or_create_by!(account: current_account, status: @status)
     render json: @status, serializer: REST::StatusSerializer
   end
 
   def destroy
-    @status = requested_status
-    @bookmarks_map = { @status.id => false }
+    bookmark = current_account.bookmarks.find_by(status: @status)
+    bookmark&.destroy!
 
-    bookmark = Bookmark.find_by!(account: current_user.account, status: @status)
-    bookmark.destroy!
-
-    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_user&.account_id, bookmarks_map: @bookmarks_map)
+    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_account.id, bookmarks_map: { @status.id => false })
   end
 
   private
 
-  def bookmarked_status
-    authorize_with current_user.account, requested_status, :show?
-
-    bookmark = Bookmark.find_or_create_by!(account: current_user.account, status: requested_status)
-
-    bookmark.status.reload
-  end
-
-  def requested_status
-    Status.find(params[:status_id])
+  def set_status
+    @status = Status.find(params[:status_id])
+    authorize @status, :show?
+  rescue Mastodon::NotPermittedError
+    not_found
   end
 end
diff --git a/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb b/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
index 99eff360e..05f4acc33 100644
--- a/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
+++ b/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
@@ -69,8 +69,7 @@ class Api::V1::Statuses::FavouritedByAccountsController < Api::BaseController
     @status = Status.find(params[:status_id])
     authorize @status, :show?
   rescue Mastodon::NotPermittedError
-    # Reraise in order to get a 404 instead of a 403 error code
-    raise ActiveRecord::RecordNotFound
+    not_found
   end
 
   def pagination_params(core_params)
diff --git a/app/controllers/api/v1/statuses/favourites_controller.rb b/app/controllers/api/v1/statuses/favourites_controller.rb
index cceee9060..f18ace996 100644
--- a/app/controllers/api/v1/statuses/favourites_controller.rb
+++ b/app/controllers/api/v1/statuses/favourites_controller.rb
@@ -5,34 +5,26 @@ class Api::V1::Statuses::FavouritesController < Api::BaseController
 
   before_action -> { doorkeeper_authorize! :write, :'write:favourites' }
   before_action :require_user!
+  before_action :set_status
 
   respond_to :json
 
   def create
-    @status = favourited_status
+    FavouriteService.new.call(current_account, @status)
     render json: @status, serializer: REST::StatusSerializer
   end
 
   def destroy
-    @status = requested_status
-    @favourites_map = { @status.id => false }
-
-    UnfavouriteWorker.perform_async(current_user.account_id, @status.id)
-
-    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_user&.account_id, favourites_map: @favourites_map)
+    UnfavouriteWorker.perform_async(current_account.id, @status.id)
+    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_account.id, favourites_map: { @status.id => false })
   end
 
   private
 
-  def favourited_status
-    service_result.status.reload
-  end
-
-  def service_result
-    FavouriteService.new.call(current_user.account, requested_status)
-  end
-
-  def requested_status
-    Status.find(params[:status_id])
+  def set_status
+    @status = Status.find(params[:status_id])
+    authorize @status, :show?
+  rescue Mastodon::NotPermittedError
+    not_found
   end
 end
diff --git a/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb b/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
index cc285ad23..fa60e7d84 100644
--- a/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
+++ b/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
@@ -66,8 +66,7 @@ class Api::V1::Statuses::RebloggedByAccountsController < Api::BaseController
     @status = Status.find(params[:status_id])
     authorize @status, :show?
   rescue Mastodon::NotPermittedError
-    # Reraise in order to get a 404 instead of a 403 error code
-    raise ActiveRecord::RecordNotFound
+    not_found
   end
 
   def pagination_params(core_params)
diff --git a/app/controllers/api/v1/statuses/reblogs_controller.rb b/app/controllers/api/v1/statuses/reblogs_controller.rb
index 42381a37f..67106ccbe 100644
--- a/app/controllers/api/v1/statuses/reblogs_controller.rb
+++ b/app/controllers/api/v1/statuses/reblogs_controller.rb
@@ -5,33 +5,34 @@ class Api::V1::Statuses::ReblogsController < Api::BaseController
 
   before_action -> { doorkeeper_authorize! :write, :'write:statuses' }
   before_action :require_user!
+  before_action :set_reblog
 
   respond_to :json
 
   def create
-    @status = ReblogService.new.call(current_user.account, status_for_reblog, reblog_params)
+    @status = ReblogService.new.call(current_account, @reblog, reblog_params)
     render json: @status, serializer: REST::StatusSerializer
   end
 
   def destroy
-    @status = status_for_destroy.reblog
-    @reblogs_map = { @status.id => false }
+    @status = current_account.statuses.find_by(reblog_of_id: @reblog.id)
 
-    authorize status_for_destroy, :unreblog?
-    status_for_destroy.discard
-    RemovalWorker.perform_async(status_for_destroy.id)
+    if @status
+      authorize @status, :unreblog?
+      @status.discard
+      RemovalWorker.perform_async(@status.id)
+    end
 
-    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_user&.account_id, reblogs_map: @reblogs_map)
+    render json: @reblog, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_account.id, reblogs_map: { @reblog.id => false })
   end
 
   private
 
-  def status_for_reblog
-    Status.find params[:status_id]
-  end
-
-  def status_for_destroy
-    @status_for_destroy ||= current_user.account.statuses.where(reblog_of_id: params[:status_id]).first!
+  def set_reblog
+    @reblog = Status.find(params[:status_id])
+    authorize @reblog, :show?
+  rescue Mastodon::NotPermittedError
+    not_found
   end
 
   def reblog_params