mirror of
https://github.com/discourse/discourse.git
synced 2024-12-25 06:03:45 +08:00
62 lines
2.2 KiB
Ruby
62 lines
2.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module CanonicalURL
|
|
module ControllerExtensions
|
|
ALLOWED_CANONICAL_PARAMS = %w[page]
|
|
|
|
def canonical_url(url_for_options = {})
|
|
case url_for_options
|
|
when Hash
|
|
@canonical_url = url_for(url_for_options)
|
|
else
|
|
@canonical_url = url_for_options
|
|
end
|
|
end
|
|
|
|
def default_canonical
|
|
@default_canonical ||=
|
|
begin
|
|
canonical = +"#{Discourse.base_url_no_prefix}#{request.path}"
|
|
allowed_params = params.select { |key| ALLOWED_CANONICAL_PARAMS.include?(key) }
|
|
if allowed_params.present?
|
|
canonical << "?#{allowed_params.keys.zip(allowed_params.values).map { |key, value| "#{key}=#{value}" }.join("&")}"
|
|
end
|
|
canonical
|
|
end
|
|
end
|
|
|
|
def self.included(base)
|
|
base.helper_method :default_canonical
|
|
end
|
|
end
|
|
|
|
module Helpers
|
|
def canonical_link_tag(url = nil)
|
|
tag("link", rel: "canonical", href: url || @canonical_url || default_canonical)
|
|
end
|
|
end
|
|
end
|
|
|
|
# https://github.com/mbleigh/canonical-url/blob/master/lib/canonical_url.rb
|
|
|
|
# Copyright (c) 2009 Michael Bleigh and Intridea, Inc.
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining
|
|
# a copy of this software and associated documentation files (the
|
|
# "Software"), to deal in the Software without restriction, including
|
|
# without limitation the rights to use, copy, modify, merge, publish,
|
|
# distribute, sublicense, and/or sell copies of the Software, and to
|
|
# permit persons to whom the Software is furnished to do so, subject to
|
|
# the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be
|
|
# included in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.#
|