Merge branch 'git-raw-workhorse' into 'master'

Send raw Git blobs via gitlab-workhorse



See merge request !2451

GITLAB_WORKHORSE_VERSION

-0.6.2
+0.6.3

app/controllers/projects/avatars_controller.rb

@@ -2,15 +2,13 @@ class Projects::AvatarsController < Projects::ApplicationController
   before_action :project
   def show
-    @blob = @project.repository.blob_at_branch('master', @project.avatar_in_git)
+    @blob = @repository.blob_at_branch('master', @project.avatar_in_git)
     if @blob
       headers['X-Content-Type-Options'] = 'nosniff'
-      send_data(
-        @blob.data,
-        type: @blob.mime_type,
-        disposition: 'inline',
-        filename: @blob.name
-      )
+      headers.store(*Gitlab::Workhorse.send_git_blob(@repository, @blob))
+      headers['Content-Disposition'] = 'inline'
+      headers['Content-Type'] = @blob.content_type
+      head :ok # 'render nothing: true' messes up the Content-Type
     else
       render_404
     end

app/controllers/projects/raw_controller.rb

@@ -15,7 +15,10 @@ class Projects::RawController < Projects::ApplicationController
       if @blob.lfs_pointer?
         send_lfs_object
       else
-        stream_data
+        headers.store(*Gitlab::Workhorse.send_git_blob(@repository, @blob))
+        headers['Content-Disposition'] = 'inline'
+        headers['Content-Type'] = get_blob_type
+        head :ok # 'render nothing: true' messes up the Content-Type
       end
     else
       render_404
@@ -34,16 +37,6 @@ class Projects::RawController < Projects::ApplicationController
     end
   end
-  def stream_data
-    type = get_blob_type
-
-    send_data(
-      @blob.data,
-      type: type,
-      disposition: 'inline'
-    )
-  end
-
   def send_lfs_object
     lfs_object = find_lfs_object

app/views/projects/blob/_image.html.haml

 .file-content.image_file
-  %img{ src: "data:#{blob.mime_type};base64,#{Base64.encode64(blob.data)}"}
+  %img{ src: namespace_project_raw_path(@project.namespace, @project, @id)}

app/views/shared/_file_highlight.html.haml

 .file-content.code.js-syntax-highlight
   .line-numbers
     - if blob.data.present?
-      - blob.data.lines.each_index do |index|
+      - blob.data.each_line.each_with_index do |_, index|
         - offset = defined?(first_line_number) ? first_line_number : 1
         - i = index + offset
         -# We're not using `link_to` because it is too slow once we get to thousands of lines.

doc/install/installation.md

@@ -355,7 +355,7 @@ GitLab Shell is an SSH access and repository management software developed speci
     cd /home/git
     sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-workhorse.git
     cd gitlab-workhorse
-    sudo -u git -H git checkout 0.6.2
+    sudo -u git -H git checkout 0.6.3
     sudo -u git -H make
 ### Initialize Database and Activate Advanced Features

features/steps/project/source/browse_files.rb

@@ -52,7 +52,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
   step 'I should see raw file content' do
-    expect(source).to eq sample_blob.data
+    expect(source).to eq '' # Body is filled in by gitlab-workhorse
   end
   step 'I click button "Edit"' do

lib/api/repositories.rb

@@ -57,7 +57,7 @@ module API
         not_found! "File" unless blob
         content_type 'text/plain'
-        present blob.data
+        header *Gitlab::Workhorse.send_git_blob(repo, blob)
       end
       # Get a raw blob contents by blob sha
@@ -83,7 +83,7 @@ module API
         env['api.format'] = :txt
         content_type blob.mime_type
-        present blob.data
+        header *Gitlab::Workhorse.send_git_blob(repo, blob)
       end
       # Get a an archive of the repository

lib/gitlab/workhorse.rb

+require 'base64'
+require 'json'
+
+module Gitlab
+  class Workhorse
+    class << self
+      def send_git_blob(repository, blob)
+        params_hash = {
+          'RepoPath' => repository.path_to_repo,
+          'BlobId' => blob.id,
+        }
+        params = Base64.urlsafe_encode64(JSON.dump(params_hash))
+
+        [
+          'Gitlab-Workhorse-Send-Data',
+          "git-blob:#{params}",
+        ]
+      end
+    end
+  end
+end