/usr/lib/ruby/vendor_ruby/action_dispatch/journey/router.rb is in ruby-actionpack 2:4.2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | require 'action_dispatch/journey/router/utils'
require 'action_dispatch/journey/router/strexp'
require 'action_dispatch/journey/routes'
require 'action_dispatch/journey/formatter'
before = $-w
$-w = false
require 'action_dispatch/journey/parser'
$-w = before
require 'action_dispatch/journey/route'
require 'action_dispatch/journey/path/pattern'
module ActionDispatch
module Journey # :nodoc:
class Router # :nodoc:
class RoutingError < ::StandardError # :nodoc:
end
# :nodoc:
VERSION = '2.0.0'
attr_accessor :routes
def initialize(routes)
@routes = routes
end
def serve(req)
find_routes(req).each do |match, parameters, route|
set_params = req.path_parameters
path_info = req.path_info
script_name = req.script_name
unless route.path.anchored
req.script_name = (script_name.to_s + match.to_s).chomp('/')
req.path_info = match.post_match
req.path_info = "/" + req.path_info unless req.path_info.start_with? "/"
end
req.path_parameters = set_params.merge parameters
status, headers, body = route.app.serve(req)
if 'pass' == headers['X-Cascade']
req.script_name = script_name
req.path_info = path_info
req.path_parameters = set_params
next
end
return [status, headers, body]
end
return [404, {'X-Cascade' => 'pass'}, ['Not Found']]
end
def recognize(rails_req)
find_routes(rails_req).each do |match, parameters, route|
unless route.path.anchored
rails_req.script_name = match.to_s
rails_req.path_info = match.post_match.sub(/^([^\/])/, '/\1')
end
yield(route, parameters)
end
end
def visualizer
tt = GTG::Builder.new(ast).transition_table
groups = partitioned_routes.first.map(&:ast).group_by { |a| a.to_s }
asts = groups.values.map { |v| v.first }
tt.visualizer(asts)
end
private
def partitioned_routes
routes.partitioned_routes
end
def ast
routes.ast
end
def simulator
routes.simulator
end
def custom_routes
partitioned_routes.last
end
def filter_routes(path)
return [] unless ast
simulator.memos(path) { [] }
end
def find_routes req
routes = filter_routes(req.path_info).concat custom_routes.find_all { |r|
r.path.match(req.path_info)
}
routes =
if req.request_method == "HEAD"
match_head_routes(routes, req)
else
match_routes(routes, req)
end
routes.sort_by!(&:precedence)
routes.map! { |r|
match_data = r.path.match(req.path_info)
path_parameters = r.defaults.dup
match_data.names.zip(match_data.captures) { |name,val|
path_parameters[name.to_sym] = Utils.unescape_uri(val) if val
}
[match_data, path_parameters, r]
}
end
def match_head_routes(routes, req)
verb_specific_routes = routes.reject { |route| route.verb == // }
head_routes = match_routes(verb_specific_routes, req)
if head_routes.empty?
begin
req.request_method = "GET"
match_routes(routes, req)
ensure
req.request_method = "HEAD"
end
else
head_routes
end
end
def match_routes(routes, req)
routes.select { |r| r.matches?(req) }
end
end
end
end
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