From 2999c955968c8d8a6b4a35d13f9b4e7f6769b014 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Tue, 31 Dec 2019 00:54:38 +0100
Subject: Fix error when fetching followers/following from REST API when user
 has network hidden (#12716)

Fix #12510
---
 app/controllers/api/v1/accounts/follower_accounts_controller.rb  | 2 +-
 app/controllers/api/v1/accounts/following_accounts_controller.rb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'app/controllers/api/v1')

diff --git a/app/controllers/api/v1/accounts/follower_accounts_controller.rb b/app/controllers/api/v1/accounts/follower_accounts_controller.rb
index 2dabb8398..950e9acf0 100644
--- a/app/controllers/api/v1/accounts/follower_accounts_controller.rb
+++ b/app/controllers/api/v1/accounts/follower_accounts_controller.rb
@@ -25,7 +25,7 @@ class Api::V1::Accounts::FollowerAccountsController < Api::BaseController
   end
 
   def hide_results?
-    (@account.user_hides_network? && current_account.id != @account.id) || (current_account && @account.blocking?(current_account))
+    (@account.user_hides_network? && current_account&.id != @account.id) || (current_account && @account.blocking?(current_account))
   end
 
   def default_accounts
diff --git a/app/controllers/api/v1/accounts/following_accounts_controller.rb b/app/controllers/api/v1/accounts/following_accounts_controller.rb
index 44e89804b..b1433af5e 100644
--- a/app/controllers/api/v1/accounts/following_accounts_controller.rb
+++ b/app/controllers/api/v1/accounts/following_accounts_controller.rb
@@ -25,7 +25,7 @@ class Api::V1::Accounts::FollowingAccountsController < Api::BaseController
   end
 
   def hide_results?
-    (@account.user_hides_network? && current_account.id != @account.id) || (current_account && @account.blocking?(current_account))
+    (@account.user_hides_network? && current_account&.id != @account.id) || (current_account && @account.blocking?(current_account))
   end
 
   def default_accounts
-- 
cgit 


From 3b3bdc7293493735a2169d3377a5a5b7d9006497 Mon Sep 17 00:00:00 2001
From: ThibG <thib@sitedethib.com>
Date: Tue, 31 Dec 2019 00:55:32 +0100
Subject: Hide blocked users from more places (#12733)

* Hide blocked, muted, and blocked-by users from toot favourite lists

* Hide blocked, muted, and blocked-by users from toot reblog lists

* Hide blocked, muted, and blocked-by users from followers/following (API)

* Fix tests

* Hide blocked, muted, and blocked-by users from followers/following on public pages
---
 .../v1/accounts/follower_accounts_controller.rb    |  4 +++-
 .../v1/accounts/following_accounts_controller.rb   |  4 +++-
 .../statuses/favourited_by_accounts_controller.rb  |  4 +++-
 .../statuses/reblogged_by_accounts_controller.rb   |  4 +++-
 app/controllers/follower_accounts_controller.rb    |  6 ++++-
 app/controllers/following_accounts_controller.rb   |  6 ++++-
 .../accounts/follower_accounts_controller_spec.rb  | 27 ++++++++++++++++++----
 .../accounts/following_accounts_controller_spec.rb | 27 ++++++++++++++++++----
 .../favourited_by_accounts_controller_spec.rb      | 20 ++++++++++++++--
 .../reblogged_by_accounts_controller_spec.rb       | 20 ++++++++++++++--
 .../follower_accounts_controller_spec.rb           | 12 ++++++++++
 .../following_accounts_controller_spec.rb          | 12 ++++++++++
 12 files changed, 128 insertions(+), 18 deletions(-)

(limited to 'app/controllers/api/v1')

diff --git a/app/controllers/api/v1/accounts/follower_accounts_controller.rb b/app/controllers/api/v1/accounts/follower_accounts_controller.rb
index 950e9acf0..e360b8a92 100644
--- a/app/controllers/api/v1/accounts/follower_accounts_controller.rb
+++ b/app/controllers/api/v1/accounts/follower_accounts_controller.rb
@@ -21,7 +21,9 @@ class Api::V1::Accounts::FollowerAccountsController < Api::BaseController
   def load_accounts
     return [] if hide_results?
 
-    default_accounts.merge(paginated_follows).to_a
+    scope = default_accounts
+    scope = scope.where.not(id: current_account.excluded_from_timeline_account_ids) unless current_account.nil?
+    scope.merge(paginated_follows).to_a
   end
 
   def hide_results?
diff --git a/app/controllers/api/v1/accounts/following_accounts_controller.rb b/app/controllers/api/v1/accounts/following_accounts_controller.rb
index b1433af5e..a405b365f 100644
--- a/app/controllers/api/v1/accounts/following_accounts_controller.rb
+++ b/app/controllers/api/v1/accounts/following_accounts_controller.rb
@@ -21,7 +21,9 @@ class Api::V1::Accounts::FollowingAccountsController < Api::BaseController
   def load_accounts
     return [] if hide_results?
 
-    default_accounts.merge(paginated_follows).to_a
+    scope = default_accounts
+    scope = scope.where.not(id: current_account.excluded_from_timeline_account_ids) unless current_account.nil?
+    scope.merge(paginated_follows).to_a
   end
 
   def hide_results?
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 657e57831..99eff360e 100644
--- a/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
+++ b/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
@@ -17,7 +17,9 @@ class Api::V1::Statuses::FavouritedByAccountsController < Api::BaseController
   private
 
   def load_accounts
-    default_accounts.merge(paginated_favourites).to_a
+    scope = default_accounts
+    scope = scope.where.not(id: current_account.excluded_from_timeline_account_ids) unless current_account.nil?
+    scope.merge(paginated_favourites).to_a
   end
 
   def default_accounts
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 6851099f6..cc285ad23 100644
--- a/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
+++ b/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
@@ -17,7 +17,9 @@ class Api::V1::Statuses::RebloggedByAccountsController < Api::BaseController
   private
 
   def load_accounts
-    default_accounts.merge(paginated_statuses).to_a
+    scope = default_accounts
+    scope = scope.where.not(id: current_account.excluded_from_timeline_account_ids) unless current_account.nil?
+    scope.merge(paginated_statuses).to_a
   end
 
   def default_accounts
diff --git a/app/controllers/follower_accounts_controller.rb b/app/controllers/follower_accounts_controller.rb
index ef183eca7..7103749ad 100644
--- a/app/controllers/follower_accounts_controller.rb
+++ b/app/controllers/follower_accounts_controller.rb
@@ -36,7 +36,11 @@ class FollowerAccountsController < ApplicationController
   private
 
   def follows
-    @follows ||= Follow.where(target_account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:account)
+    return @follows if defined?(@follows)
+
+    scope = Follow.where(target_account: @account)
+    scope = scope.where.not(account_id: current_account.excluded_from_timeline_account_ids) if user_signed_in?
+    @follows = scope.recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:account)
   end
 
   def page_requested?
diff --git a/app/controllers/following_accounts_controller.rb b/app/controllers/following_accounts_controller.rb
index fb1eaaa37..6c8fb84d8 100644
--- a/app/controllers/following_accounts_controller.rb
+++ b/app/controllers/following_accounts_controller.rb
@@ -36,7 +36,11 @@ class FollowingAccountsController < ApplicationController
   private
 
   def follows
-    @follows ||= Follow.where(account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:target_account)
+    return @follows if defined?(@follows)
+
+    scope = Follow.where(account: @account)
+    scope = scope.where.not(target_account_id: current_account.excluded_from_timeline_account_ids) if user_signed_in?
+    @follows = scope.recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:target_account)
   end
 
   def page_requested?
diff --git a/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb b/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
index 75e0570e9..54587187f 100644
--- a/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
@@ -3,19 +3,38 @@ require 'rails_helper'
 describe Api::V1::Accounts::FollowerAccountsController do
   render_views
 
-  let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read:accounts') }
+  let(:user)    { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read:accounts') }
+  let(:account) { Fabricate(:account) }
+  let(:alice)   { Fabricate(:account) }
+  let(:bob)     { Fabricate(:account) }
 
   before do
-    Fabricate(:follow, target_account: user.account)
+    alice.follow!(account)
+    bob.follow!(account)
     allow(controller).to receive(:doorkeeper_token) { token }
   end
 
   describe 'GET #index' do
     it 'returns http success' do
-      get :index, params: { account_id: user.account.id, limit: 1 }
+      get :index, params: { account_id: account.id, limit: 2 }
 
       expect(response).to have_http_status(200)
     end
+
+    it 'returns accounts following the given account' do
+      get :index, params: { account_id: account.id, limit: 2 }
+
+      expect(body_as_json.size).to eq 2
+      expect([body_as_json[0][:id], body_as_json[1][:id]]).to match_array([alice.id.to_s, bob.id.to_s])
+    end
+
+    it 'does not return blocked users' do
+      user.account.block!(bob)
+      get :index, params: { account_id: account.id, limit: 2 }
+
+      expect(body_as_json.size).to eq 1
+      expect(body_as_json[0][:id]).to eq alice.id.to_s
+    end
   end
 end
diff --git a/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb b/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
index 7f7105ad3..a580a7368 100644
--- a/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
@@ -3,19 +3,38 @@ require 'rails_helper'
 describe Api::V1::Accounts::FollowingAccountsController do
   render_views
 
-  let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read:accounts') }
+  let(:user)    { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read:accounts') }
+  let(:account) { Fabricate(:account) }
+  let(:alice)   { Fabricate(:account) }
+  let(:bob)     { Fabricate(:account) }
 
   before do
-    Fabricate(:follow, account: user.account)
+    account.follow!(alice)
+    account.follow!(bob)
     allow(controller).to receive(:doorkeeper_token) { token }
   end
 
   describe 'GET #index' do
     it 'returns http success' do
-      get :index, params: { account_id: user.account.id, limit: 1 }
+      get :index, params: { account_id: account.id, limit: 2 }
 
       expect(response).to have_http_status(200)
     end
+
+    it 'returns accounts followed by the given account' do
+      get :index, params: { account_id: account.id, limit: 2 }
+
+      expect(body_as_json.size).to eq 2
+      expect([body_as_json[0][:id], body_as_json[1][:id]]).to match_array([alice.id.to_s, bob.id.to_s])
+    end
+
+    it 'does not return blocked users' do
+      user.account.block!(bob)
+      get :index, params: { account_id: account.id, limit: 2 }
+
+      expect(body_as_json.size).to eq 1
+      expect(body_as_json[0][:id]).to eq alice.id.to_s
+    end
   end
 end
diff --git a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
index 40f75c700..f053ae573 100644
--- a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
@@ -6,6 +6,8 @@ RSpec.describe Api::V1::Statuses::FavouritedByAccountsController, type: :control
   let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
   let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
   let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, application: app, scopes: 'read:accounts') }
+  let(:alice) { Fabricate(:account) }
+  let(:bob)   { Fabricate(:account) }
 
   context 'with an oauth token' do
     before do
@@ -16,14 +18,28 @@ RSpec.describe Api::V1::Statuses::FavouritedByAccountsController, type: :control
       let(:status) { Fabricate(:status, account: user.account) }
 
       before do
-        Fabricate(:favourite, status: status)
+        Favourite.create!(account: alice, status: status)
+        Favourite.create!(account: bob, status: status)
       end
 
       it 'returns http success' do
-        get :index, params: { status_id: status.id, limit: 1 }
+        get :index, params: { status_id: status.id, limit: 2 }
         expect(response).to have_http_status(200)
         expect(response.headers['Link'].links.size).to eq(2)
       end
+
+      it 'returns accounts who favorited the status' do
+        get :index, params: { status_id: status.id, limit: 2 }
+        expect(body_as_json.size).to eq 2
+      expect([body_as_json[0][:id], body_as_json[1][:id]]).to match_array([alice.id.to_s, bob.id.to_s])
+      end
+
+      it 'does not return blocked users' do
+        user.account.block!(bob)
+        get :index, params: { status_id: status.id, limit: 2 }
+        expect(body_as_json.size).to eq 1
+        expect(body_as_json[0][:id]).to eq alice.id.to_s
+      end
     end
   end
 
diff --git a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
index d758786dc..60908b7b3 100644
--- a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
@@ -6,6 +6,8 @@ RSpec.describe Api::V1::Statuses::RebloggedByAccountsController, type: :controll
   let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
   let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
   let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, application: app, scopes: 'read:accounts') }
+  let(:alice) { Fabricate(:account) }
+  let(:bob)   { Fabricate(:account) }
 
   context 'with an oauth token' do
     before do
@@ -16,14 +18,28 @@ RSpec.describe Api::V1::Statuses::RebloggedByAccountsController, type: :controll
       let(:status) { Fabricate(:status, account: user.account) }
 
       before do
-        Fabricate(:status, reblog_of_id: status.id)
+        Fabricate(:status, account: alice, reblog_of_id: status.id)
+        Fabricate(:status, account: bob, reblog_of_id: status.id)
       end
 
       it 'returns http success' do
-        get :index, params: { status_id: status.id, limit: 1 }
+        get :index, params: { status_id: status.id, limit: 2 }
         expect(response).to have_http_status(200)
         expect(response.headers['Link'].links.size).to eq(2)
       end
+
+      it 'returns accounts who reblogged the status' do
+        get :index, params: { status_id: status.id, limit: 2 }
+        expect(body_as_json.size).to eq 2
+      expect([body_as_json[0][:id], body_as_json[1][:id]]).to match_array([alice.id.to_s, bob.id.to_s])
+      end
+
+      it 'does not return blocked users' do
+        user.account.block!(bob)
+        get :index, params: { status_id: status.id, limit: 2 }
+        expect(body_as_json.size).to eq 1
+        expect(body_as_json[0][:id]).to eq alice.id.to_s
+      end
     end
   end
 
diff --git a/spec/controllers/follower_accounts_controller_spec.rb b/spec/controllers/follower_accounts_controller_spec.rb
index 83032ab64..34a0cf3f4 100644
--- a/spec/controllers/follower_accounts_controller_spec.rb
+++ b/spec/controllers/follower_accounts_controller_spec.rb
@@ -22,6 +22,18 @@ describe FollowerAccountsController do
         expect(assigned[0]).to eq follow1
         expect(assigned[1]).to eq follow0
       end
+
+      it 'does not assign blocked users' do
+        user = Fabricate(:user)
+        user.account.block!(follower0)
+        sign_in(user)
+
+        expect(response).to have_http_status(200)
+
+        assigned = assigns(:follows).to_a
+        expect(assigned.size).to eq 1
+        expect(assigned[0]).to eq follow1
+      end
     end
 
     context 'when format is json' do
diff --git a/spec/controllers/following_accounts_controller_spec.rb b/spec/controllers/following_accounts_controller_spec.rb
index d5e4ee587..e9a1f597d 100644
--- a/spec/controllers/following_accounts_controller_spec.rb
+++ b/spec/controllers/following_accounts_controller_spec.rb
@@ -22,6 +22,18 @@ describe FollowingAccountsController do
         expect(assigned[0]).to eq follow1
         expect(assigned[1]).to eq follow0
       end
+
+      it 'does not assign blocked users' do
+        user = Fabricate(:user)
+        user.account.block!(followee0)
+        sign_in(user)
+
+        expect(response).to have_http_status(200)
+
+        assigned = assigns(:follows).to_a
+        expect(assigned.size).to eq 1
+        expect(assigned[0]).to eq follow1
+      end
     end
 
     context 'when format is json' do
-- 
cgit 


From 49b2f7c0a2aa41b1da77b652415078e19fcdcad8 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Sat, 4 Jan 2020 01:54:07 +0100
Subject: Fix base64-encoded file uploads not being possible (#12748)

Fix #3804, Fix #5776
---
 app/controllers/admin/custom_emojis_controller.rb  |  4 ---
 app/controllers/api/v1/media_controller.rb         |  3 ---
 app/controllers/application_controller.rb          |  1 +
 app/controllers/concerns/obfuscate_filename.rb     | 16 ------------
 app/controllers/settings/profiles_controller.rb    |  5 ----
 app/models/concerns/attachmentable.rb              | 11 ++++++++
 app/models/media_attachment.rb                     |  3 +++
 config/initializers/paperclip.rb                   |  2 ++
 spec/controllers/api/proofs_controller_spec.rb     |  5 +---
 .../concerns/obfuscate_filename_spec.rb            | 30 ----------------------
 spec/models/account_spec.rb                        |  1 +
 spec/models/media_attachment_spec.rb               | 18 +++++++++++++
 .../examples/models/concerns/account_avatar.rb     | 20 +++++++++++++++
 .../examples/models/concerns/account_header.rb     | 23 +++++++++++++++++
 14 files changed, 80 insertions(+), 62 deletions(-)
 delete mode 100644 app/controllers/concerns/obfuscate_filename.rb
 delete mode 100644 spec/controllers/concerns/obfuscate_filename_spec.rb
 create mode 100644 spec/support/examples/models/concerns/account_header.rb

(limited to 'app/controllers/api/v1')

diff --git a/app/controllers/admin/custom_emojis_controller.rb b/app/controllers/admin/custom_emojis_controller.rb
index 2af90f051..a446465c9 100644
--- a/app/controllers/admin/custom_emojis_controller.rb
+++ b/app/controllers/admin/custom_emojis_controller.rb
@@ -2,10 +2,6 @@
 
 module Admin
   class CustomEmojisController < BaseController
-    include ObfuscateFilename
-
-    obfuscate_filename [:custom_emoji, :image]
-
     def index
       authorize :custom_emoji, :index?
 
diff --git a/app/controllers/api/v1/media_controller.rb b/app/controllers/api/v1/media_controller.rb
index aaa93b615..81825db15 100644
--- a/app/controllers/api/v1/media_controller.rb
+++ b/app/controllers/api/v1/media_controller.rb
@@ -4,9 +4,6 @@ class Api::V1::MediaController < Api::BaseController
   before_action -> { doorkeeper_authorize! :write, :'write:media' }
   before_action :require_user!
 
-  include ObfuscateFilename
-  obfuscate_filename :file
-
   respond_to :json
 
   def create
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 3f9205381..0cfa2b386 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -24,6 +24,7 @@ class ApplicationController < ActionController::Base
   rescue_from ActionController::InvalidAuthenticityToken, with: :unprocessable_entity
   rescue_from ActionController::UnknownFormat, with: :not_acceptable
   rescue_from ActionController::ParameterMissing, with: :bad_request
+  rescue_from Paperclip::AdapterRegistry::NoHandlerError, with: :bad_request
   rescue_from ActiveRecord::RecordNotFound, with: :not_found
   rescue_from Mastodon::NotPermittedError, with: :forbidden
   rescue_from HTTP::Error, OpenSSL::SSL::SSLError, with: :internal_server_error
diff --git a/app/controllers/concerns/obfuscate_filename.rb b/app/controllers/concerns/obfuscate_filename.rb
deleted file mode 100644
index 22736ec3a..000000000
--- a/app/controllers/concerns/obfuscate_filename.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-# frozen_string_literal: true
-
-module ObfuscateFilename
-  extend ActiveSupport::Concern
-
-  class_methods do
-    def obfuscate_filename(path)
-      before_action do
-        file = params.dig(*path)
-        next if file.nil?
-
-        file.original_filename = SecureRandom.hex(8) + File.extname(file.original_filename)
-      end
-    end
-  end
-end
diff --git a/app/controllers/settings/profiles_controller.rb b/app/controllers/settings/profiles_controller.rb
index 8b640cdca..19a7ce157 100644
--- a/app/controllers/settings/profiles_controller.rb
+++ b/app/controllers/settings/profiles_controller.rb
@@ -1,16 +1,11 @@
 # frozen_string_literal: true
 
 class Settings::ProfilesController < Settings::BaseController
-  include ObfuscateFilename
-
   layout 'admin'
 
   before_action :authenticate_user!
   before_action :set_account
 
-  obfuscate_filename [:account, :avatar]
-  obfuscate_filename [:account, :header]
-
   def show
     @account.build_fields
   end
diff --git a/app/models/concerns/attachmentable.rb b/app/models/concerns/attachmentable.rb
index 3bbc6453c..1e8c4806f 100644
--- a/app/models/concerns/attachmentable.rb
+++ b/app/models/concerns/attachmentable.rb
@@ -9,6 +9,7 @@ module Attachmentable
   GIF_MATRIX_LIMIT = 921_600    # 1280x720px
 
   included do
+    before_post_process :obfuscate_file_name
     before_post_process :set_file_extensions
     before_post_process :check_image_dimensions
     before_post_process :set_file_content_type
@@ -68,4 +69,14 @@ module Attachmentable
   rescue Terrapin::CommandLineError
     ''
   end
+
+  def obfuscate_file_name
+    self.class.attachment_definitions.each_key do |attachment_name|
+      attachment = send(attachment_name)
+
+      next if attachment.blank?
+
+      attachment.instance_write :file_name, SecureRandom.hex(8) + File.extname(attachment.instance_read(:file_name))
+    end
+  end
 end
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 573ef5dfc..1fd0adfd0 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -202,9 +202,12 @@ class MediaAttachment < ApplicationRecord
   end
 
   after_commit :reset_parent_cache, on: :update
+
   before_create :prepare_description, unless: :local?
   before_create :set_shortcode
+
   before_post_process :set_type_and_extension
+
   before_save :set_meta
 
   class << self
diff --git a/config/initializers/paperclip.rb b/config/initializers/paperclip.rb
index 5109baff7..8909678d6 100644
--- a/config/initializers/paperclip.rb
+++ b/config/initializers/paperclip.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+Paperclip::DataUriAdapter.register
+
 Paperclip.interpolates :filename do |attachment, style|
   if style == :original
     attachment.original_filename
diff --git a/spec/controllers/api/proofs_controller_spec.rb b/spec/controllers/api/proofs_controller_spec.rb
index dbde4927f..2fe615005 100644
--- a/spec/controllers/api/proofs_controller_spec.rb
+++ b/spec/controllers/api/proofs_controller_spec.rb
@@ -85,10 +85,7 @@ describe Api::ProofsController do
         end
 
         it 'has the correct avatar url' do
-          first_part = 'https://cb6e6126.ngrok.io/system/accounts/avatars/'
-          last_part  = 'original/avatar.gif'
-
-          expect(body_as_json[:avatar]).to match /#{Regexp.quote(first_part)}(?:\d{3,5}\/){3}#{Regexp.quote(last_part)}/
+          expect(body_as_json[:avatar]).to match "https://cb6e6126.ngrok.io#{alice.avatar.url}"
         end
       end
     end
diff --git a/spec/controllers/concerns/obfuscate_filename_spec.rb b/spec/controllers/concerns/obfuscate_filename_spec.rb
deleted file mode 100644
index e06d53c03..000000000
--- a/spec/controllers/concerns/obfuscate_filename_spec.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe ApplicationController, type: :controller do
-  controller do
-    include ObfuscateFilename
-
-    obfuscate_filename :file
-
-    def file
-      render plain: params[:file]&.original_filename
-    end
-  end
-
-  before do
-    routes.draw { get 'file' => 'anonymous#file' }
-  end
-
-  it 'obfusticates filename if the given parameter is specified' do
-    file = fixture_file_upload('files/imports.txt', 'text/plain')
-    post 'file', params: { file: file }
-    expect(response.body).to end_with '.txt'
-    expect(response.body).not_to include 'imports'
-  end
-
-  it 'does nothing if the given parameter is not specified' do
-    post 'file'
-  end
-end
diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb
index b2f6234cb..3cca9b343 100644
--- a/spec/models/account_spec.rb
+++ b/spec/models/account_spec.rb
@@ -823,4 +823,5 @@ RSpec.describe Account, type: :model do
   end
 
   include_examples 'AccountAvatar', :account
+  include_examples 'AccountHeader', :account
 end
diff --git a/spec/models/media_attachment_spec.rb b/spec/models/media_attachment_spec.rb
index 7ddfba7ed..a275621a1 100644
--- a/spec/models/media_attachment_spec.rb
+++ b/spec/models/media_attachment_spec.rb
@@ -133,6 +133,24 @@ RSpec.describe MediaAttachment, type: :model do
       expect(media.file.meta["small"]["height"]).to eq 327
       expect(media.file.meta["small"]["aspect"]).to eq 490.0 / 327
     end
+
+    it 'gives the file a random name' do
+      expect(media.file_file_name).to_not eq 'attachment.jpg'
+    end
+  end
+
+  describe 'base64-encoded jpeg' do
+    let(:base64_attachment) { "data:image/jpeg;base64,#{Base64.encode64(attachment_fixture('attachment.jpg').read)}" }
+    let(:media) { MediaAttachment.create(account: Fabricate(:account), file: base64_attachment) }
+
+    it 'saves media attachment' do
+      expect(media.persisted?).to be true
+      expect(media.file).to_not be_nil
+    end
+
+    it 'gives the file a file name' do
+      expect(media.file_file_name).to_not be_blank
+    end
   end
 
   describe 'descriptions for remote attachments' do
diff --git a/spec/support/examples/models/concerns/account_avatar.rb b/spec/support/examples/models/concerns/account_avatar.rb
index f2a8a2459..2180f5273 100644
--- a/spec/support/examples/models/concerns/account_avatar.rb
+++ b/spec/support/examples/models/concerns/account_avatar.rb
@@ -16,4 +16,24 @@ shared_examples 'AccountAvatar' do |fabricator|
       end
     end
   end
+
+  describe 'base64-encoded files' do
+    let(:base64_attachment) { "data:image/jpeg;base64,#{Base64.encode64(attachment_fixture('attachment.jpg').read)}" }
+    let(:account) { Fabricate(fabricator, avatar: base64_attachment) }
+
+    it 'saves avatar' do
+      expect(account.persisted?).to be true
+      expect(account.avatar).to_not be_nil
+    end
+
+    it 'gives the avatar a file name' do
+      expect(account.avatar_file_name).to_not be_blank
+    end
+
+    it 'saves a new avatar under a different file name' do
+      previous_file_name = account.avatar_file_name
+      account.update(avatar: base64_attachment)
+      expect(account.avatar_file_name).to_not eq previous_file_name
+    end
+  end
 end
diff --git a/spec/support/examples/models/concerns/account_header.rb b/spec/support/examples/models/concerns/account_header.rb
new file mode 100644
index 000000000..77ee0e629
--- /dev/null
+++ b/spec/support/examples/models/concerns/account_header.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+shared_examples 'AccountHeader' do |fabricator|
+  describe 'base64-encoded files' do
+    let(:base64_attachment) { "data:image/jpeg;base64,#{Base64.encode64(attachment_fixture('attachment.jpg').read)}" }
+    let(:account) { Fabricate(fabricator, header: base64_attachment) }
+
+    it 'saves header' do
+      expect(account.persisted?).to be true
+      expect(account.header).to_not be_nil
+    end
+
+    it 'gives the header a file name' do
+      expect(account.header_file_name).to_not be_blank
+    end
+
+    it 'saves a new header under a different file name' do
+      previous_file_name = account.header_file_name
+      account.update(header: base64_attachment)
+      expect(account.header_file_name).to_not eq previous_file_name
+    end
+  end
+end
-- 
cgit