85 lines
2.2 KiB
Ruby
85 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Routing
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extend ActiveSupport::Concern
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class LegacyRedirector
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# @params path_type [symbol] type of path to do "-" redirection
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# https://gitlab.com/gitlab-org/gitlab/-/issues/16854
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def initialize(path_type)
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@path_type = path_type
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end
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def call(_params, request)
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ensure_valid_uri!(request)
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# Only replace the last occurrence of `path`.
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#
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# `request.fullpath` includes the querystring
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new_path = request.path.sub(%r{/#{@path_type}(/*)(?!.*#{@path_type})}, "/-/#{@path_type}\\1")
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new_path = "#{new_path}?#{request.query_string}" if request.query_string.present?
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new_path
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end
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private
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def ensure_valid_uri!(request)
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URI.parse(request.path)
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rescue URI::InvalidURIError => e
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# If url is invalid, raise custom error,
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# which can be ignored by monitoring tools.
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raise ActionController::RoutingError, e.message
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end
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end
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mattr_accessor :_includers
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self._includers = []
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included do
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Gitlab::Routing.includes_helpers(self)
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include Gitlab::Routing.url_helpers
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end
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def self.includes_helpers(klass)
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self._includers << klass
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end
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def self.add_helpers(mod)
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url_helpers.include mod
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url_helpers.extend mod
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GitlabRoutingHelper.include mod
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GitlabRoutingHelper.extend mod
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app_url_helpers = Gitlab::Application.routes.named_routes.url_helpers_module
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app_url_helpers.include mod
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app_url_helpers.extend mod
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_includers.each do |klass|
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klass.include mod
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end
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end
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# Returns the URL helpers Module.
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#
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# This method caches the output as Rails' "url_helpers" method creates an
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# anonymous module every time it's called.
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#
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# Returns a Module.
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def self.url_helpers
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@url_helpers ||= Gitlab::Application.routes.url_helpers
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end
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def self.redirect_legacy_paths(router, *paths)
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paths.each do |path|
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router.match "/#{path}(/*rest)",
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via: [:get, :post, :patch, :delete],
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to: router.redirect(LegacyRedirector.new(path)),
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as: "legacy_#{path}_redirect"
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end
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end
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end
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end
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