gitlab-org--gitlab-foss/app/helpers/blob_helper.rb
2018-07-18 11:16:30 +08:00

343 lines
11 KiB
Ruby

module BlobHelper
def highlight(blob_name, blob_content, repository: nil, plain: false)
plain ||= blob_content.length > Blob::MAXIMUM_TEXT_HIGHLIGHT_SIZE
highlighted = Gitlab::Highlight.highlight(blob_name, blob_content, plain: plain, repository: repository)
raw %(<pre class="code highlight"><code>#{highlighted}</code></pre>)
end
def no_highlight_files
%w(credits changelog news copying copyright license authors)
end
def edit_blob_path(project = @project, ref = @ref, path = @path, options = {})
project_edit_blob_path(project,
tree_join(ref, path),
options[:link_opts])
end
def ide_edit_path(project = @project, ref = @ref, path = @path, options = {})
segments = [ide_path, 'project', project.full_path, 'edit', ref]
segments.concat(['-', path]) if path.present?
File.join(segments)
end
def edit_blob_button(project = @project, ref = @ref, path = @path, options = {})
return unless blob = readable_blob(options, path, project, ref)
common_classes = "btn js-edit-blob #{options[:extra_class]}"
edit_button_tag(blob,
common_classes,
_('Edit'),
edit_blob_path(project, ref, path, options),
project,
ref)
end
def ide_edit_button(project = @project, ref = @ref, path = @path, options = {})
return unless blob = readable_blob(options, path, project, ref)
edit_button_tag(blob,
'btn btn-default',
_('Web IDE'),
ide_edit_path(project, ref, path, options),
project,
ref)
end
def modify_file_button(project = @project, ref = @ref, path = @path, label:, action:, btn_class:, modal_type:)
return unless current_user
blob = project.repository.blob_at(ref, path) rescue nil
return unless blob
common_classes = "btn btn-#{btn_class}"
if !on_top_of_branch?(project, ref)
button_tag label, class: "#{common_classes} disabled has-tooltip", title: "You can only #{action} files when you are on a branch", data: { container: 'body' }
elsif blob.stored_externally?
button_tag label, class: "#{common_classes} disabled has-tooltip", title: "It is not possible to #{action} files that are stored in LFS using the web interface", data: { container: 'body' }
elsif can_modify_blob?(blob, project, ref)
button_tag label, class: "#{common_classes}", 'data-target' => "#modal-#{modal_type}-blob", 'data-toggle' => 'modal'
elsif can?(current_user, :fork_project, project) && can?(current_user, :create_merge_request_in, project)
edit_fork_button_tag(common_classes, project, label, edit_modify_file_fork_params(action), action)
end
end
def replace_blob_link(project = @project, ref = @ref, path = @path)
modify_file_button(
project,
ref,
path,
label: "Replace",
action: "replace",
btn_class: "default",
modal_type: "upload"
)
end
def delete_blob_link(project = @project, ref = @ref, path = @path)
modify_file_button(
project,
ref,
path,
label: "Delete",
action: "delete",
btn_class: "remove",
modal_type: "remove"
)
end
def can_modify_blob?(blob, project = @project, ref = @ref)
!blob.stored_externally? && can_edit_tree?(project, ref)
end
def leave_edit_message
"Leave edit mode?\nAll unsaved changes will be lost."
end
def editing_preview_title(filename)
if Gitlab::MarkupHelper.previewable?(filename)
'Preview'
else
'Preview changes'
end
end
# Return an image icon depending on the file mode and extension
#
# mode - File unix mode
# mode - File name
def blob_icon(mode, name)
icon("#{file_type_icon_class('file', mode, name)} fw")
end
def blob_raw_url(**kwargs)
if @build && @entry
raw_project_job_artifacts_url(@project, @build, path: @entry.path, **kwargs)
elsif @snippet
if @snippet.project_id
raw_project_snippet_url(@project, @snippet, **kwargs)
else
raw_snippet_url(@snippet, **kwargs)
end
elsif @blob
project_raw_url(@project, @id, **kwargs)
end
end
def blob_raw_path(**kwargs)
blob_raw_url(**kwargs, only_path: true)
end
# SVGs can contain malicious JavaScript; only include whitelisted
# elements and attributes. Note that this whitelist is by no means complete
# and may omit some elements.
def sanitize_svg_data(data)
Gitlab::Sanitizers::SVG.clean(data)
end
# If we blindly set the 'real' content type when serving a Git blob we
# are enabling XSS attacks. An attacker could upload e.g. a Javascript
# file to a Git repository, trick the browser of a victim into
# downloading the blob, and then the 'application/javascript' content
# type would tell the browser to execute the attacker's Javascript. By
# overriding the content type and setting it to 'text/plain' (in the
# example of Javascript) we tell the browser of the victim not to
# execute untrusted data.
def safe_content_type(blob)
if blob.text?
'text/plain; charset=utf-8'
elsif blob.image?
blob.content_type
else
'application/octet-stream'
end
end
def cached_blob?
stale = stale?(etag: @blob.id) # The #stale? method sets cache headers.
# Because we are opionated we set the cache headers ourselves.
response.cache_control[:public] = @project.public?
response.cache_control[:max_age] =
if @ref && @commit && @ref == @commit.id
# This is a link to a commit by its commit SHA. That means that the blob
# is immutable. The only reason to invalidate the cache is if the commit
# was deleted or if the user lost access to the repository.
Blob::CACHE_TIME_IMMUTABLE
else
# A branch or tag points at this blob. That means that the expected blob
# value may change over time.
Blob::CACHE_TIME
end
response.etag = @blob.id
!stale
end
def licenses_for_select
return @licenses_for_select if defined?(@licenses_for_select)
licenses = Licensee::License.all
@licenses_for_select = {
Popular: licenses.select(&:featured).map { |license| { name: license.name, id: license.key } },
Other: licenses.reject(&:featured).map { |license| { name: license.name, id: license.key } }
}
end
def ref_project
@ref_project ||= @target_project || @project
end
def gitignore_names
@gitignore_names ||= Gitlab::Template::GitignoreTemplate.dropdown_names
end
def gitlab_ci_ymls
@gitlab_ci_ymls ||= Gitlab::Template::GitlabCiYmlTemplate.dropdown_names(params[:context])
end
def dockerfile_names
@dockerfile_names ||= Gitlab::Template::DockerfileTemplate.dropdown_names
end
def blob_editor_paths
{
'relative-url-root' => Rails.application.config.relative_url_root,
'assets-prefix' => Gitlab::Application.config.assets.prefix,
'blob-language' => @blob && @blob.language.try(:ace_mode)
}
end
def copy_file_path_button(file_path)
clipboard_button(text: file_path, gfm: "`#{file_path}`", class: 'btn-clipboard btn-transparent prepend-left-5', title: 'Copy file path to clipboard')
end
def copy_blob_source_button(blob)
return unless blob.rendered_as_text?(ignore_errors: false)
clipboard_button(target: ".blob-content[data-blob-id='#{blob.id}']", class: "btn btn-sm js-copy-blob-source-btn", title: "Copy source to clipboard")
end
def open_raw_blob_button(blob)
return if blob.empty?
return if blob.raw_binary? || blob.stored_externally?
title = 'Open raw'
link_to icon('file-code-o'), blob_raw_path, class: 'btn btn-sm has-tooltip', target: '_blank', rel: 'noopener noreferrer', title: title, data: { container: 'body' }
end
def download_blob_button(blob)
return if blob.empty?
title = 'Download'
link_to sprite_icon('download'), blob_raw_path(inline: false), download: @path, class: 'btn btn-sm has-tooltip', target: '_blank', rel: 'noopener noreferrer', title: title, data: { container: 'body' }
end
def blob_render_error_reason(viewer)
case viewer.render_error
when :collapsed
"it is larger than #{number_to_human_size(viewer.collapse_limit)}"
when :too_large
"it is larger than #{number_to_human_size(viewer.size_limit)}"
when :server_side_but_stored_externally
case viewer.blob.external_storage
when :lfs
'it is stored in LFS'
when :build_artifact
'it is stored as a job artifact'
else
'it is stored externally'
end
end
end
def blob_render_error_options(viewer)
error = viewer.render_error
options = []
if error == :collapsed
options << link_to('load it anyway', url_for(safe_params.merge(viewer: viewer.type, expanded: true, format: nil)))
end
# If the error is `:server_side_but_stored_externally`, the simple viewer will show the same error,
# so don't bother switching.
if viewer.rich? && viewer.blob.rendered_as_text? && error != :server_side_but_stored_externally
options << link_to('view the source', '#', class: 'js-blob-viewer-switch-btn', data: { viewer: 'simple' })
end
options << link_to('download it', blob_raw_path, target: '_blank', rel: 'noopener noreferrer')
options
end
def contribution_options(project)
options = []
if can?(current_user, :create_issue, project)
options << link_to("submit an issue", new_project_issue_path(project))
end
merge_project = merge_request_source_project_for_project(@project)
if merge_project
options << link_to("create a merge request", project_new_merge_request_path(project))
end
options
end
def readable_blob(options, path, project, ref)
blob = options.delete(:blob)
blob ||= project.repository.blob_at(ref, path) rescue nil
blob if blob&.readable_text?
end
def edit_blob_fork_params(path)
{
to: path,
notice: edit_in_new_fork_notice,
notice_now: edit_in_new_fork_notice_now
}
end
def edit_modify_file_fork_params(action)
{
to: request.fullpath,
notice: edit_in_new_fork_notice_action(action),
notice_now: edit_in_new_fork_notice_now
}
end
def edit_fork_button_tag(common_classes, project, label, params, action = 'edit')
fork_path = project_forks_path(project, namespace_key: current_user.namespace.id, continue: params)
button_tag label,
class: "#{common_classes} js-edit-blob-link-fork-toggler",
data: { action: action, fork_path: fork_path }
end
def edit_disabled_button_tag(button_text, common_classes)
button_tag(button_text, class: "#{common_classes} disabled has-tooltip", title: _('You can only edit files when you are on a branch'), data: { container: 'body' })
end
def edit_link_tag(link_text, edit_path, common_classes)
link_to link_text, edit_path, class: "#{common_classes} btn-sm"
end
def edit_button_tag(blob, common_classes, text, edit_path, project, ref)
if !on_top_of_branch?(project, ref)
edit_disabled_button_tag(text, common_classes)
# This condition only applies to users who are logged in
elsif !current_user || (current_user && can_modify_blob?(blob, project, ref))
edit_link_tag(text, edit_path, common_classes)
elsif can?(current_user, :fork_project, project) && can?(current_user, :create_merge_request_in, project)
edit_fork_button_tag(common_classes, project, text, edit_blob_fork_params(edit_path))
end
end
end