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-rw-r--r--actionpack/lib/action_dispatch/middleware/static.rb86
1 files changed, 35 insertions, 51 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/static.rb b/actionpack/lib/action_dispatch/middleware/static.rb
index c2d686f514..e7e335df49 100644
--- a/actionpack/lib/action_dispatch/middleware/static.rb
+++ b/actionpack/lib/action_dispatch/middleware/static.rb
@@ -1,44 +1,43 @@
require 'rack/utils'
module ActionDispatch
- class Static
- class FileHandler
- def initialize(at, root)
- @at = at.chomp("/")
- @file_server = ::Rack::File.new(root)
- end
-
- def file_exist?(path)
- (path = full_readable_path(path)) && File.file?(path)
- end
-
- def directory_exist?(path)
- (path = full_readable_path(path)) && File.directory?(path)
- end
-
- def call(env)
- env["PATH_INFO"].gsub!(/^#{@at}/, "")
- @file_server.call(env)
- end
+ class FileHandler
+ def initialize(at, root)
+ @at, @root = at.chomp('/'), root.chomp('/')
+ @compiled_at = Regexp.compile(/^#{Regexp.escape(at)}/) unless @at.blank?
+ @compiled_root = Regexp.compile(/^#{Regexp.escape(root)}/)
+ @file_server = ::Rack::File.new(root)
+
+ ext = ::ActionController::Base.page_cache_extension
+ @ext = "{,#{ext},/index#{ext}}"
+ end
- private
- def includes_path?(path)
- @at == "" || path =~ /^#{@at}/
+ def match?(path)
+ path = path.dup
+ if @compiled_at.blank? || path.sub!(@compiled_at, '')
+ full_path = File.join(@root, ::Rack::Utils.unescape(path))
+ paths = "#{full_path}#{@ext}"
+
+ matches = Dir[paths]
+ match = matches.detect { |m| File.file?(m) }
+ if match
+ match.sub!(@compiled_root, '')
+ match
end
+ end
+ end
- def full_readable_path(path)
- return unless includes_path?(path)
- path = path.gsub(/^#{@at}/, "")
- File.join(@file_server.root, ::Rack::Utils.unescape(path))
- end
+ def call(env)
+ @file_server.call(env)
end
+ end
+ class Static
FILE_METHODS = %w(GET HEAD).freeze
def initialize(app, roots)
@app = app
- roots = normalize_roots(roots)
- @file_handlers = file_handlers(roots)
+ @file_handlers = create_file_handlers(roots)
end
def call(env)
@@ -46,14 +45,9 @@ module ActionDispatch
method = env['REQUEST_METHOD']
if FILE_METHODS.include?(method)
- if file_handler = file_exist?(path)
- return file_handler.call(env)
- else
- cached_path = directory_exist?(path) ? "#{path}/index" : path
- cached_path += ::ActionController::Base.page_cache_extension
-
- if file_handler = file_exist?(cached_path)
- env['PATH_INFO'] = cached_path
+ @file_handlers.each do |file_handler|
+ if match = file_handler.match?(path)
+ env["PATH_INFO"] = match
return file_handler.call(env)
end
end
@@ -63,22 +57,12 @@ module ActionDispatch
end
private
- def file_exist?(path)
- @file_handlers.detect { |f| f.file_exist?(path) }
- end
+ def create_file_handlers(roots)
+ roots = { '' => roots } unless roots.is_a?(Hash)
- def directory_exist?(path)
- @file_handlers.detect { |f| f.directory_exist?(path) }
- end
-
- def normalize_roots(roots)
- roots.is_a?(Hash) ? roots : { "/" => roots.chomp("/") }
- end
-
- def file_handlers(roots)
roots.map do |at, root|
- FileHandler.new(at, root)
- end
+ FileHandler.new(at, root) if File.exist?(root)
+ end.compact
end
end
end