debian-mirror-gitlab/app/controllers/projects/blob_controller.rb
2021-09-30 23:02:18 +05:30

297 lines
8.6 KiB
Ruby

# frozen_string_literal: true
# Controller for viewing a file's blame
class Projects::BlobController < Projects::ApplicationController
include ExtractsPath
include CreatesCommit
include RendersBlob
include NotesHelper
include ActionView::Helpers::SanitizeHelper
include RedirectsForMissingPathOnTree
include SourcegraphDecorator
include DiffHelper
include RedisTracking
extend ::Gitlab::Utils::Override
prepend_before_action :authenticate_user!, only: [:edit]
around_action :allow_gitaly_ref_name_caching, only: [:show]
before_action :require_non_empty_project, except: [:new, :create]
before_action :authorize_download_code!
# We need to assign the blob vars before `authorize_edit_tree!` so we can
# validate access to a specific ref.
before_action :assign_blob_vars
# Since BlobController doesn't use assign_ref_vars, we have to call this explicitly
before_action :rectify_renamed_default_branch!, only: [:show]
before_action :authorize_edit_tree!, only: [:new, :create, :update, :destroy]
before_action :commit, except: [:new, :create]
before_action :blob, except: [:new, :create]
before_action :require_branch_head, only: [:edit, :update]
before_action :editor_variables, except: [:show, :preview, :diff]
before_action :validate_diff_params, only: :diff
before_action :set_last_commit_sha, only: [:edit, :update]
before_action :track_experiment, only: :create
track_redis_hll_event :create, :update, name: 'g_edit_by_sfe'
feature_category :source_code_management
before_action do
push_frontend_feature_flag(:refactor_blob_viewer, @project, default_enabled: :yaml)
push_frontend_feature_flag(:consolidated_edit_button, @project, default_enabled: :yaml)
end
def new
commit unless @repository.empty?
end
def create
create_commit(Files::CreateService, success_notice: _("The file has been successfully created."),
success_path: -> { create_success_path },
failure_view: :new,
failure_path: project_new_blob_path(@project, @ref))
end
def show
conditionally_expand_blob(@blob)
respond_to do |format|
format.html do
show_html
end
format.json do
page_title @blob.path, @ref, @project.full_name
show_json
end
end
end
def edit
if can_collaborate_with_project?(project, ref: @ref)
blob.load_all_data!
else
redirect_to action: 'show'
end
end
def update
@path = params[:file_path] if params[:file_path].present?
create_commit(Files::UpdateService, success_path: -> { after_edit_path },
failure_view: :edit,
failure_path: project_blob_path(@project, @id))
rescue Files::UpdateService::FileChangedError
@conflict = true
render :edit
end
def preview
@content = params[:content]
@blob.load_all_data!
diffy = Diffy::Diff.new(@blob.data, @content, diff: '-U 3', include_diff_info: true)
diff_lines = diffy.diff.scan(/.*\n/)[2..-1]
diff_lines = Gitlab::Diff::Parser.new.parse(diff_lines).to_a
@diff_lines = Gitlab::Diff::Highlight.new(diff_lines, repository: @repository).highlight
render layout: false
end
def destroy
create_commit(Files::DeleteService, success_notice: _("The file has been successfully deleted."),
success_path: -> { after_delete_path },
failure_path: project_blob_path(@project, @id))
end
def diff
@form = Blobs::UnfoldPresenter.new(blob, diff_params)
# keep only json rendering when
# https://gitlab.com/gitlab-org/gitlab-foss/issues/44988 is done
if rendered_for_merge_request?
render json: DiffLineSerializer.new.represent(@form.diff_lines)
else
@lines = @form.lines
@match_line = @form.match_line_text
render layout: false
end
end
private
attr_reader :branch_name
def blob
@blob ||= @repository.blob_at(@commit.id, @path)
if @blob
@blob
else
if tree = @repository.tree(@commit.id, @path)
if tree.entries.any?
return redirect_to project_tree_path(@project, File.join(@ref, @path))
end
end
redirect_to_tree_root_for_missing_path(@project, @ref, @path)
end
end
def commit
@commit ||= @repository.commit(@ref)
return render_404 unless @commit
end
def redirect_renamed_default_branch?
action_name == 'show'
end
def assign_blob_vars
@id = params[:id]
@ref, @path = extract_ref(@id)
rescue InvalidPathError
render_404
end
def rectify_renamed_default_branch!
@commit ||= @repository.commit(@ref)
super
end
# rubocop: disable CodeReuse/ActiveRecord
def after_edit_path
from_merge_request = MergeRequestsFinder.new(current_user, project_id: @project.id).find_by(iid: params[:from_merge_request_iid])
if from_merge_request && @branch_name == @ref
diffs_project_merge_request_path(from_merge_request.target_project, from_merge_request) +
"##{hexdigest(@path)}"
else
project_blob_path(@project, File.join(@branch_name, @path))
end
end
# rubocop: enable CodeReuse/ActiveRecord
def after_delete_path
branch = BranchesFinder.new(@repository, search: @ref).execute.first
if @repository.tree(branch.target, tree_path).entries.empty?
project_tree_path(@project, @ref)
else
project_tree_path(@project, File.join(@ref, tree_path))
end
end
def editor_variables
@branch_name = params[:branch_name]
@file_path =
if action_name.to_s == 'create'
if params[:file].present?
params[:file_name] = params[:file].original_filename
end
File.join(@path, params[:file_name])
elsif params[:file_path].present?
params[:file_path]
else
@path
end
if params[:file].present?
params[:content] = params[:file]
end
@commit_params = {
file_path: @file_path,
commit_message: params[:commit_message],
previous_path: @path,
file_content: params[:content],
file_content_encoding: params[:encoding],
last_commit_sha: params[:last_commit_sha]
}
end
def validate_diff_params
return if params[:full]
if [:since, :to, :offset].any? { |key| params[key].blank? }
head :ok
end
end
def set_last_commit_sha
@last_commit_sha = Gitlab::Git::Commit
.last_for_path(@repository, @ref, @path, literal_pathspec: true).sha
end
def show_html
environment_params = @repository.branch_exists?(@ref) ? { ref: @ref } : { commit: @commit }
environment_params[:find_latest] = true
@environment = ::Environments::EnvironmentsByDeploymentsFinder.new(@project, current_user, environment_params).execute.last
@last_commit = @repository.last_commit_for_path(@commit.id, @blob.path, literal_pathspec: true)
@code_navigation_path = Gitlab::CodeNavigationPath.new(@project, @blob.commit_id).full_json_path_for(@blob.path)
render 'show'
end
def show_json
set_last_commit_sha
json = {
id: @blob.id,
last_commit_sha: @last_commit_sha,
path: blob.path,
name: blob.name,
extension: blob.extension,
size: blob.raw_size,
mime_type: blob.mime_type,
binary: blob.binary?,
simple_viewer: blob.simple_viewer&.class&.partial_name,
rich_viewer: blob.rich_viewer&.class&.partial_name,
show_viewer_switcher: !!blob.show_viewer_switcher?,
render_error: blob.simple_viewer&.render_error || blob.rich_viewer&.render_error,
raw_path: project_raw_path(project, @id),
blame_path: project_blame_path(project, @id),
commits_path: project_commits_path(project, @id),
tree_path: project_tree_path(project, File.join(@ref, tree_path)),
permalink: project_blob_path(project, File.join(@commit.id, @path))
}
json.merge!(blob_json(@blob) || {}) unless params[:viewer] == 'none'
render json: json
end
def tree_path
@path.rpartition('/').first
end
def diff_params
params.permit(:full, :since, :to, :bottom, :unfold, :offset, :indent)
end
override :visitor_id
def visitor_id
current_user&.id
end
def create_success_path
if params[:code_quality_walkthrough]
project_pipelines_path(@project, code_quality_walkthrough: true)
else
project_blob_path(@project, File.join(@branch_name, @file_path))
end
end
def track_experiment
return unless params[:code_quality_walkthrough]
experiment(:code_quality_walkthrough, namespace: @project.root_ancestor).track(:commit_created)
end
end