module SubmoduleHelper extend self VALID_SUBMODULE_PROTOCOLS = %w[http https git ssh].freeze # links to files listing for submodule if submodule is a project on this server def submodule_links(submodule_item, ref = nil, repository = @repository) url = repository.submodule_url_for(ref, submodule_item.path) if url == '.' || url == './' url = File.join(Gitlab.config.gitlab.url, repository.project.full_path) end if url =~ %r{([^/:]+)/([^/]+(?:\.git)?)\Z} namespace, project = $1, $2 gitlab_hosts = [Gitlab.config.gitlab.url, Gitlab.config.gitlab_shell.ssh_path_prefix] gitlab_hosts.each do |host| if url.start_with?(host) namespace, _, project = url.sub(host, '').rpartition('/') break end end namespace.sub!(%r{\A/}, '') project.rstrip! project.sub!(/\.git\z/, '') if self_url?(url, namespace, project) [namespace_project_path(namespace, project), namespace_project_tree_path(namespace, project, submodule_item.id)] elsif relative_self_url?(url) relative_self_links(url, submodule_item.id, repository.project) elsif github_dot_com_url?(url) standard_links('github.com', namespace, project, submodule_item.id) elsif gitlab_dot_com_url?(url) standard_links('gitlab.com', namespace, project, submodule_item.id) else [sanitize_submodule_url(url), nil] end else [sanitize_submodule_url(url), nil] end end protected def github_dot_com_url?(url) url =~ %r{github\.com[/:][^/]+/[^/]+\Z} end def gitlab_dot_com_url?(url) url =~ %r{gitlab\.com[/:][^/]+/[^/]+\Z} end def self_url?(url, namespace, project) url_no_dotgit = url.chomp('.git') return true if url_no_dotgit == [Gitlab.config.gitlab.url, '/', namespace, '/', project].join('') url_with_dotgit = url_no_dotgit + '.git' url_with_dotgit == Gitlab::Shell.new.url_to_repo([namespace, '/', project].join('')) end def relative_self_url?(url) # (./)?(../repo.git) || (./)?(../../project/repo.git) ) url =~ %r{\A((\./)?(\.\./))(?!(\.\.)|(.*/)).*(\.git)?\z} || url =~ %r{\A((\./)?(\.\./){2})(?!(\.\.))([^/]*)/(?!(\.\.)|(.*/)).*(\.git)?\z} end def standard_links(host, namespace, project, commit) base = ['https://', host, '/', namespace, '/', project].join('') [base, [base, '/tree/', commit].join('')] end def relative_self_links(url, commit, project) url.rstrip! # Map relative links to a namespace and project # For example: # ../bar.git -> same namespace, repo bar # ../foo/bar.git -> namespace foo, repo bar # ../../foo/bar/baz.git -> namespace bar, repo baz components = url.split('/') base = components.pop.gsub(/.git$/, '') namespace = components.pop.gsub(/^\.\.$/, '') if namespace.empty? namespace = project.namespace.full_path end begin [ namespace_project_path(namespace, base), namespace_project_tree_path(namespace, base, commit) ] rescue ActionController::UrlGenerationError [nil, nil] end end def sanitize_submodule_url(url) uri = URI.parse(url) if uri.scheme.in?(VALID_SUBMODULE_PROTOCOLS) uri.to_s else nil end rescue URI::InvalidURIError nil end end