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# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006-2017 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'uri'
module Redmine
module Helpers
module URL
def uri_with_safe_scheme?(uri, schemes = ['http', 'https', 'ftp', 'mailto', nil])
# URLs relative to the current document or document root (without a protocol
# separator, should be harmless
return true unless uri.to_s.include? ":"
# Other URLs need to be parsed
schemes.include? URI.parse(uri).scheme
rescue URI::Error
false
end
end
end
end
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