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