module SubmoduleHelper include Gitlab::ShellAdapter 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 =~ /([^\/:]+)\/([^\/]+(?:\.git)?)\Z/ namespace, project = $1, $2 project.rstrip! project.sub!(/\.git\z/, '') if self_url?(url, namespace, project) [namespace_project_path(namespace, project), namespace_project_tree_path(namespace, project, submodule_item.id)] elsif relative_self_url?(url) relative_self_links(url, submodule_item.id) elsif github_dot_com_url?(url) standard_links('github.com', namespace, project, submodule_item.id) elsif gitlab_dot_com_url?(url) standard_links('gitlab.com', namespace, project, submodule_item.id) else [sanitize_submodule_url(url), nil] end else [sanitize_submodule_url(url), nil] end end protected def github_dot_com_url?(url) url =~ /github\.com[\/:][^\/]+\/[^\/]+\Z/ end def gitlab_dot_com_url?(url) url =~ /gitlab\.com[\/:][^\/]+\/[^\/]+\Z/ end def self_url?(url, namespace, project) url_no_dotgit = url.chomp('.git') return true if url_no_dotgit == [Gitlab.config.gitlab.url, '/', namespace, '/', project].join('') url_with_dotgit = url_no_dotgit + '.git' url_with_dotgit == gitlab_shell.url_to_repo([namespace, '/', project].join('')) end def relative_self_url?(url) # (./)?(../repo.git) || (./)?(../../project/repo.git) ) url =~ /\A((\.\/)?(\.\.\/))(?!(\.\.)|(.*\/)).*(\.git)?\z/ || url =~ /\A((\.\/)?(\.\.\/){2})(?!(\.\.))([^\/]*)\/(?!(\.\.)|(.*\/)).*(\.git)?\z/ end def standard_links(host, namespace, project, commit) base = ['https://', host, '/', namespace, '/', project].join('') [base, [base, '/tree/', commit].join('')] end def relative_self_links(url, commit) # Map relative links to a namespace and project # For example: # ../bar.git -> same namespace, repo bar # ../foo/bar.git -> namespace foo, repo bar # ../../foo/bar/baz.git -> namespace bar, repo baz components = url.split('/') base = components.pop.gsub(/.git$/, '') namespace = components.pop.gsub(/^\.\.$/, '') if namespace.empty? namespace = @project.namespace.full_path end [ namespace_project_path(namespace, base), namespace_project_tree_path(namespace, base, commit) ] 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