Commit a621c8d0 authored by Douwe Maan's avatar Douwe Maan

Merge branch 'fj-52406-wiki-file-content-disposition' into 'master'

Fixed bug with the content disposition with wiki attachments

See merge request gitlab-org/gitlab-ce!22220
parents 11152ddf b8cf360e
......@@ -8,7 +8,7 @@ module SendsBlob
include SendFileUpload
end
def send_blob(blob, params = {})
def send_blob(repository, blob, params = {})
if blob
headers['X-Content-Type-Options'] = 'nosniff'
......
......@@ -8,7 +8,7 @@ class Projects::AvatarsController < Projects::ApplicationController
def show
@blob = @repository.blob_at_branch(@repository.root_ref, @project.avatar_in_git)
send_blob(@blob)
send_blob(@repository, @blob)
end
def destroy
......
......@@ -12,6 +12,6 @@ class Projects::RawController < Projects::ApplicationController
def show
@blob = @repository.blob_at(@commit.id, @path)
send_blob(@blob, inline: (params[:inline] != 'false'))
send_blob(@repository, @blob, inline: (params[:inline] != 'false'))
end
end
......@@ -2,6 +2,7 @@
class Projects::WikisController < Projects::ApplicationController
include PreviewMarkdown
include SendsBlob
include Gitlab::Utils::StrongMemoize
before_action :authorize_read_wiki!
......@@ -26,16 +27,8 @@ class Projects::WikisController < Projects::ApplicationController
set_encoding_error unless valid_encoding?
render 'show'
elsif file = @project_wiki.find_file(params[:id], params[:version_id])
response.headers['Content-Security-Policy'] = "default-src 'none'"
response.headers['X-Content-Security-Policy'] = "default-src 'none'"
send_data(
file.raw_data,
type: file.mime_type,
disposition: 'inline',
filename: file.name
)
elsif file_blob
send_blob(@project_wiki.repository, file_blob)
elsif can?(current_user, :create_wiki, @project) && view_param == 'create'
@page = build_page(title: params[:id])
......@@ -164,4 +157,14 @@ class Projects::WikisController < Projects::ApplicationController
def set_encoding_error
flash.now[:notice] = "The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository."
end
def file_blob
strong_memoize(:file_blob) do
commit = @project_wiki.repository.commit(@project_wiki.default_branch)
next unless commit
@project_wiki.repository.blob_at(commit.id, params[:id])
end
end
end
......@@ -150,7 +150,9 @@ module BlobHelper
# example of Javascript) we tell the browser of the victim not to
# execute untrusted data.
def safe_content_type(blob)
if blob.text?
if blob.extension == 'svg'
blob.mime_type
elsif blob.text?
'text/plain; charset=utf-8'
elsif blob.image?
blob.content_type
......@@ -159,6 +161,12 @@ module BlobHelper
end
end
def content_disposition(blob, inline)
return 'attachment' if blob.extension == 'svg'
inline ? 'inline' : 'attachment'
end
def ref_project
@ref_project ||= @target_project || @project
end
......
......@@ -6,7 +6,7 @@ module WorkhorseHelper
# Send a Git blob through Workhorse
def send_git_blob(repository, blob, inline: true)
headers.store(*Gitlab::Workhorse.send_git_blob(repository, blob))
headers['Content-Disposition'] = inline ? 'inline' : 'attachment'
headers['Content-Disposition'] = content_disposition(blob, inline)
headers['Content-Type'] = safe_content_type(blob)
render plain: ""
end
......
---
title: Fix bug with wiki attachments content disposition
merge_request: 22220
author:
type: fixed
......@@ -22,20 +22,18 @@ describe Projects::WikisController do
subject { get :show, namespace_id: project.namespace, project_id: project, id: wiki_title }
context 'when page content encoding is invalid' do
it 'limits the retrieved pages for the sidebar' do
expect(controller).to receive(:load_wiki).and_return(project_wiki)
it 'limits the retrieved pages for the sidebar' do
expect(controller).to receive(:load_wiki).and_return(project_wiki)
# empty? call
expect(project_wiki).to receive(:pages).with(limit: 1).and_call_original
# Sidebar entries
expect(project_wiki).to receive(:pages).with(limit: 15).and_call_original
# empty? call
expect(project_wiki).to receive(:pages).with(limit: 1).and_call_original
# Sidebar entries
expect(project_wiki).to receive(:pages).with(limit: 15).and_call_original
subject
subject
expect(response).to have_http_status(:ok)
expect(response.body).to include(wiki_title)
end
expect(response).to have_http_status(:ok)
expect(response.body).to include(wiki_title)
end
context 'when page content encoding is invalid' do
......@@ -48,6 +46,42 @@ describe Projects::WikisController do
expect(flash[:notice]).to eq 'The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository.'
end
end
context 'when page is a file' do
include WikiHelpers
let(:path) { upload_file_to_wiki(project, user, file_name) }
before do
subject
end
subject { get :show, namespace_id: project.namespace, project_id: project, id: path }
context 'when file is an image' do
let(:file_name) { 'dk.png' }
it 'renders the content inline' do
expect(response.headers['Content-Disposition']).to match(/^inline/)
end
context 'when file is a svg' do
let(:file_name) { 'unsanitized.svg' }
it 'renders the content as an attachment' do
expect(response.headers['Content-Disposition']).to match(/^attachment/)
end
end
end
context 'when file is a pdf' do
let(:file_name) { 'git-cheat-sheet.pdf' }
it 'sets the content type to application/octet-stream' do
expect(response.headers['Content-Type']).to eq 'application/octet-stream'
end
end
end
end
describe 'POST #preview_markdown' do
......
......@@ -54,7 +54,7 @@ describe 'User views empty wiki' do
it_behaves_like 'empty wiki and non-accessible issues'
end
context 'when user is logged in and a memeber' do
context 'when user is logged in and a member' do
let(:project) { create(:project, :public, :wiki_repo) }
before do
......
......@@ -2,12 +2,15 @@ require 'spec_helper'
describe 'User views a wiki page' do
shared_examples 'wiki page user view' do
include WikiHelpers
let(:user) { create(:user) }
let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
let(:path) { 'image.png' }
let(:wiki_page) do
create(:wiki_page,
wiki: project.wiki,
attrs: { title: 'home', content: 'Look at this [image](image.jpg)\n\n ![alt text](image.jpg)' })
attrs: { title: 'home', content: "Look at this [image](#{path})\n\n ![alt text](#{path})" })
end
before do
......@@ -82,33 +85,26 @@ describe 'User views a wiki page' do
expect(find('.wiki-pages')).to have_content(wiki_page.title.capitalize)
end
it 'shows a file stored in a page' do
raw_file = Gitlab::GitalyClient::WikiFile.new(
mime_type: 'image/jpeg',
name: 'images/image.jpg',
path: 'images/image.jpg',
raw_data: ''
)
wiki_file = Gitlab::Git::WikiFile.new(raw_file)
allow(wiki_file).to receive(:mime_type).and_return('image/jpeg')
allow_any_instance_of(ProjectWiki).to receive(:find_file).with('image.jpg', nil).and_return(wiki_file)
context 'shows a file stored in a page' do
let(:path) { upload_file_to_wiki(project, user, 'dk.png') }
expect(page).to have_xpath("//img[@data-src='#{project.wiki.wiki_base_path}/image.jpg']")
expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/image.jpg")
it do
expect(page).to have_xpath("//img[@data-src='#{project.wiki.wiki_base_path}/#{path}']")
expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/#{path}")
click_on('image')
click_on('image')
expect(current_path).to match('wikis/image.jpg')
expect(page).not_to have_xpath('/html') # Page should render the image which means there is no html involved
expect(current_path).to match("wikis/#{path}")
expect(page).not_to have_xpath('/html') # Page should render the image which means there is no html involved
end
end
it 'shows the creation page if file does not exist' do
expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/image.jpg")
expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/#{path}")
click_on('image')
expect(current_path).to match('wikis/image.jpg')
expect(current_path).to match("wikis/#{path}")
expect(page).to have_content('New Wiki Page')
expect(page).to have_content('Create page')
end
......
module WikiHelpers
extend self
def upload_file_to_wiki(project, user, file_name)
opts = {
file_name: file_name,
file_content: File.read(expand_fixture_path(file_name))
}
::Wikis::CreateAttachmentService.new(project, user, opts)
.execute[:result][:file_path]
end
end
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