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