mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
2e0f9ed76e
The revert is needed because of a regression described in #13369, routes
with trailing slash are no longer recognized properly.
This reverts commit 50311f1391
.
166 lines
4.4 KiB
Ruby
166 lines
4.4 KiB
Ruby
require 'action_dispatch/journey/router/utils'
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require 'action_dispatch/journey/router/strexp'
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require 'action_dispatch/journey/routes'
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require 'action_dispatch/journey/formatter'
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before = $-w
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$-w = false
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require 'action_dispatch/journey/parser'
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$-w = before
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require 'action_dispatch/journey/route'
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require 'action_dispatch/journey/path/pattern'
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module ActionDispatch
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module Journey # :nodoc:
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class Router # :nodoc:
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class RoutingError < ::StandardError # :nodoc:
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end
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# :nodoc:
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VERSION = '2.0.0'
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class NullReq # :nodoc:
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attr_reader :env
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def initialize(env)
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@env = env
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end
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def request_method
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env['REQUEST_METHOD']
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end
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def path_info
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env['PATH_INFO']
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end
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def ip
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env['REMOTE_ADDR']
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end
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def [](k)
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env[k]
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end
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end
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attr_reader :request_class, :formatter
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attr_accessor :routes
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def initialize(routes, options)
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@options = options
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@params_key = options[:parameters_key]
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@request_class = options[:request_class] || NullReq
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@routes = routes
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end
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def call(env)
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env['PATH_INFO'] = Utils.normalize_path(env['PATH_INFO'])
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find_routes(env).each do |match, parameters, route|
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script_name, path_info, set_params = env.values_at('SCRIPT_NAME',
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'PATH_INFO',
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@params_key)
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unless route.path.anchored
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env['SCRIPT_NAME'] = (script_name.to_s + match.to_s).chomp('/')
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env['PATH_INFO'] = match.post_match
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end
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env[@params_key] = (set_params || {}).merge parameters
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status, headers, body = route.app.call(env)
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if 'pass' == headers['X-Cascade']
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env['SCRIPT_NAME'] = script_name
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env['PATH_INFO'] = path_info
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env[@params_key] = set_params
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next
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end
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return [status, headers, body]
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end
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return [404, {'X-Cascade' => 'pass'}, ['Not Found']]
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end
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def recognize(req)
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find_routes(req.env).each do |match, parameters, route|
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unless route.path.anchored
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req.env['SCRIPT_NAME'] = match.to_s
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req.env['PATH_INFO'] = match.post_match.sub(/^([^\/])/, '/\1')
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end
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yield(route, nil, parameters)
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end
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end
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def visualizer
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tt = GTG::Builder.new(ast).transition_table
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groups = partitioned_routes.first.map(&:ast).group_by { |a| a.to_s }
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asts = groups.values.map { |v| v.first }
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tt.visualizer(asts)
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end
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private
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def partitioned_routes
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routes.partitioned_routes
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end
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def ast
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routes.ast
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end
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def simulator
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routes.simulator
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end
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def custom_routes
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partitioned_routes.last
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end
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def filter_routes(path)
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return [] unless ast
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data = simulator.match(path)
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data ? data.memos : []
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end
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def find_routes env
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req = request_class.new(env)
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routes = filter_routes(req.path_info).concat custom_routes.find_all { |r|
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r.path.match(req.path_info)
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}
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routes.concat get_routes_as_head(routes)
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routes.sort_by!(&:precedence).select! { |r| r.matches?(req) }
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routes.map! { |r|
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match_data = r.path.match(req.path_info)
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match_names = match_data.names.map { |n| n.to_sym }
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match_values = match_data.captures.map { |v| v && Utils.unescape_uri(v) }
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info = Hash[match_names.zip(match_values).find_all { |_, y| y }]
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[match_data, r.defaults.merge(info), r]
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}
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end
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def get_routes_as_head(routes)
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precedence = (routes.map(&:precedence).max || 0) + 1
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routes = routes.select { |r|
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r.verb === "GET" && !(r.verb === "HEAD")
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}.map! { |r|
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Route.new(r.name,
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r.app,
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r.path,
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r.conditions.merge(request_method: "HEAD"),
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r.defaults).tap do |route|
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route.precedence = r.precedence + precedence
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end
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}
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routes.flatten!
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routes
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end
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end
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end
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end
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