From 9d55529318a285ced484b9216df9064914d6f790 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Mon, 21 Mar 2016 17:02:16 +0100
Subject: [PATCH] Fix text color in dashboard inputs, sanitize remote status
 content in UI, simplify FanOutOnWriteService, add /api/accounts/lookup method

---
 .../javascripts/api/accounts/lookup.coffee    |  3 +++
 app/assets/stylesheets/dashboard.scss         |  1 +
 .../api/accounts/lookup_controller.rb         | 11 ++++++++++
 app/helpers/api/accounts/lookup_helper.rb     |  2 ++
 app/helpers/stream_entries_helper.rb          |  8 +++++++
 app/services/base_service.rb                  |  4 +++-
 app/services/fan_out_on_write_service.rb      | 19 ++++++++++------
 app/services/send_interaction_service.rb      |  2 --
 app/views/accounts/_grid_card.html.haml       |  2 +-
 app/views/api/accounts/lookup/index.rabl      |  2 ++
 app/views/stream_entries/_status.html.haml    |  3 +--
 config/routes.rb                              |  4 ++++
 .../api/accounts/lookup_controller_spec.rb    | 22 +++++++++++++++++++
 .../api/accounts/lookup_helper_spec.rb        | 15 +++++++++++++
 14 files changed, 85 insertions(+), 13 deletions(-)
 create mode 100644 app/assets/javascripts/api/accounts/lookup.coffee
 create mode 100644 app/controllers/api/accounts/lookup_controller.rb
 create mode 100644 app/helpers/api/accounts/lookup_helper.rb
 create mode 100644 app/views/api/accounts/lookup/index.rabl
 create mode 100644 spec/controllers/api/accounts/lookup_controller_spec.rb
 create mode 100644 spec/helpers/api/accounts/lookup_helper_spec.rb

diff --git a/app/assets/javascripts/api/accounts/lookup.coffee b/app/assets/javascripts/api/accounts/lookup.coffee
new file mode 100644
index 000000000..24f83d18b
--- /dev/null
+++ b/app/assets/javascripts/api/accounts/lookup.coffee
@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/
diff --git a/app/assets/stylesheets/dashboard.scss b/app/assets/stylesheets/dashboard.scss
index ad05f5b7b..afb718c90 100644
--- a/app/assets/stylesheets/dashboard.scss
+++ b/app/assets/stylesheets/dashboard.scss
@@ -243,6 +243,7 @@
       padding-bottom: 6px;
       font-size: 14px;
       font-family: 'Roboto', sans-serif;
+      color: #282c37;
 
       &:focus, &:active {
         border-bottom: 2px solid #2b90d9;
diff --git a/app/controllers/api/accounts/lookup_controller.rb b/app/controllers/api/accounts/lookup_controller.rb
new file mode 100644
index 000000000..dc8bcb132
--- /dev/null
+++ b/app/controllers/api/accounts/lookup_controller.rb
@@ -0,0 +1,11 @@
+class Api::Accounts::LookupController < ApplicationController
+  def index
+    @accounts = Account.where(domain: nil).where(username: lookup_params)
+  end
+
+  private
+
+  def lookup_params
+    (params[:usernames] || '').split(',').map(&:strip)
+  end
+end
diff --git a/app/helpers/api/accounts/lookup_helper.rb b/app/helpers/api/accounts/lookup_helper.rb
new file mode 100644
index 000000000..5caf0e28c
--- /dev/null
+++ b/app/helpers/api/accounts/lookup_helper.rb
@@ -0,0 +1,2 @@
+module Api::Accounts::LookupHelper
+end
diff --git a/app/helpers/stream_entries_helper.rb b/app/helpers/stream_entries_helper.rb
index b044e8a61..28fc41ed5 100644
--- a/app/helpers/stream_entries_helper.rb
+++ b/app/helpers/stream_entries_helper.rb
@@ -27,4 +27,12 @@ module StreamEntriesHelper
   def favourited_by_me_class(status)
     user_signed_in? && current_user.account.favourited?(status) ? 'favourited' : ''
   end
+
+  def content_for_status(actual_status)
+    if actual_status.local?
+      linkify(actual_status)
+    else
+      sanitize(actual_status.content, tags: %w(a br p), attributes: %w(href rel))
+    end
+  end
 end
diff --git a/app/services/base_service.rb b/app/services/base_service.rb
index ed86f2230..634653546 100644
--- a/app/services/base_service.rb
+++ b/app/services/base_service.rb
@@ -1,6 +1,8 @@
 class BaseService
-  include RoutingHelper
   include ActionView::Helpers::TextHelper
+  include ActionView::Helpers::SanitizeHelper
+
+  include RoutingHelper
   include ApplicationHelper
   include AtomBuilderHelper
 end
diff --git a/app/services/fan_out_on_write_service.rb b/app/services/fan_out_on_write_service.rb
index 3d94f1049..45814cfb5 100644
--- a/app/services/fan_out_on_write_service.rb
+++ b/app/services/fan_out_on_write_service.rb
@@ -4,18 +4,25 @@ class FanOutOnWriteService < BaseService
   # Push a status into home and mentions feeds
   # @param [Status] status
   def call(status)
-    replied_to_user = status.reply? ? status.thread.account : nil
+    deliver_to_self(status) if status.account.local?
+    deliver_to_followers(status, status.reply? ? status.thread.account : nil)
+    deliver_to_mentioned(status)
+  end
 
-    # Deliver to local self
-    push(:home, status.account.id, status) if status.account.local?
+  private
 
-    # Deliver to local followers
+  def deliver_to_self(status)
+    push(:home, status.account.id, status)
+  end
+
+  def deliver_to_followers(status, replied_to_user)
     status.account.followers.each do |follower|
       next if (status.reply? && !(follower.id = replied_to_user.id || follower.following?(replied_to_user))) || !follower.local?
       push(:home, follower.id, status)
     end
+  end
 
-    # Deliver to local mentioned
+  def deliver_to_mentioned(status)
     status.mentioned_accounts.each do |mention|
       mentioned_account = mention.account
       next unless mentioned_account.local?
@@ -23,8 +30,6 @@ class FanOutOnWriteService < BaseService
     end
   end
 
-  private
-
   def push(type, receiver_id, status)
     redis.zadd(key(type, receiver_id), status.created_at.to_i, status.id)
     trim(type, receiver_id)
diff --git a/app/services/send_interaction_service.rb b/app/services/send_interaction_service.rb
index e6708498f..a425dcc8e 100644
--- a/app/services/send_interaction_service.rb
+++ b/app/services/send_interaction_service.rb
@@ -1,6 +1,4 @@
 class SendInteractionService < BaseService
-  include AtomBuilderHelper
-
   # Send an Atom representation of an interaction to a remote Salmon endpoint
   # @param [StreamEntry] stream_entry
   # @param [Account] target_account
diff --git a/app/views/accounts/_grid_card.html.haml b/app/views/accounts/_grid_card.html.haml
index d7751a323..d107f5274 100644
--- a/app/views/accounts/_grid_card.html.haml
+++ b/app/views/accounts/_grid_card.html.haml
@@ -5,4 +5,4 @@
       = link_to url_for_target(account) do
         %span.display_name= display_name(account)
         %span.username= "@#{account.acct}"
-  %p.note= truncate(account.note, length: 150)
+  %p.note= truncate(strip_tags(account.note), length: 150)
diff --git a/app/views/api/accounts/lookup/index.rabl b/app/views/api/accounts/lookup/index.rabl
new file mode 100644
index 000000000..f6ae172ed
--- /dev/null
+++ b/app/views/api/accounts/lookup/index.rabl
@@ -0,0 +1,2 @@
+collection @accounts
+extends('api/accounts/show')
diff --git a/app/views/stream_entries/_status.html.haml b/app/views/stream_entries/_status.html.haml
index 72d99af6f..11a9ac8e0 100644
--- a/app/views/stream_entries/_status.html.haml
+++ b/app/views/stream_entries/_status.html.haml
@@ -33,8 +33,7 @@
           .counter-btn{ class: favourited_by_me_class(status) }
             %i.fa.fa-star
             %span.counter-number= status.reblog? ? status.reblog.favourites_count : status.favourites_count
-      .content
-        = status.reblog? ? (status.reblog.local? ? linkify(status.reblog) : status.reblog.content.html_safe) : (status.local? ? linkify(status) : status.content.html_safe)
+      .content= content_for_status(status.reblog? ? status.reblog : status)
 
 - if include_threads
   - status.descendants.with_includes.with_counters.each do |status|
diff --git a/config/routes.rb b/config/routes.rb
index 2c7b3aa32..f40746f30 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -47,6 +47,10 @@ Rails.application.routes.draw do
     resources :follows,  only: [:create]
 
     resources :accounts, only: [:show] do
+      collection do
+        get :lookup, to: 'accounts/lookup#index', as: :lookup
+      end
+
       member do
         get :statuses
         get :followers
diff --git a/spec/controllers/api/accounts/lookup_controller_spec.rb b/spec/controllers/api/accounts/lookup_controller_spec.rb
new file mode 100644
index 000000000..30dee8a3d
--- /dev/null
+++ b/spec/controllers/api/accounts/lookup_controller_spec.rb
@@ -0,0 +1,22 @@
+require 'rails_helper'
+
+RSpec.describe Api::Accounts::LookupController, type: :controller do
+  let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
+  let(:token) { double acceptable?: true, resource_owner_id: user.id }
+
+  before do
+    allow(controller).to receive(:doorkeeper_token) { token }
+  end
+
+  describe 'GET #index' do
+    before do
+      Fabricate(:account, username: 'alice')
+      Fabricate(:account, username: 'bob')
+      get :index, usernames: 'alice,bob'
+    end
+
+    it 'returns http success' do
+      expect(response).to have_http_status(:success)
+    end
+  end
+end
diff --git a/spec/helpers/api/accounts/lookup_helper_spec.rb b/spec/helpers/api/accounts/lookup_helper_spec.rb
new file mode 100644
index 000000000..64ec826af
--- /dev/null
+++ b/spec/helpers/api/accounts/lookup_helper_spec.rb
@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+# Specs in this file have access to a helper object that includes
+# the Api::Accounts::LookupHelper. For example:
+#
+# describe Api::Accounts::LookupHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe Api::Accounts::LookupHelper, type: :helper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end