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Diffstat (limited to 'lib/webrick/httpserver.rb')
-rw-r--r-- | lib/webrick/httpserver.rb | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/lib/webrick/httpserver.rb b/lib/webrick/httpserver.rb new file mode 100644 index 0000000000..df06e19e2c --- /dev/null +++ b/lib/webrick/httpserver.rb @@ -0,0 +1,179 @@ +# +# httpserver.rb -- HTTPServer Class +# +# Author: IPR -- Internet Programming with Ruby -- writers +# Copyright (c) 2000, 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou +# Copyright (c) 2002 Internet Programming with Ruby writers. All rights +# reserved. +# +# $IPR: httpserver.rb,v 1.63 2002/10/01 17:16:32 gotoyuzo Exp $ + +require 'webrick/server' +require 'webrick/httputils' +require 'webrick/httpstatus' +require 'webrick/httprequest' +require 'webrick/httpresponse' +require 'webrick/httpservlet' +require 'webrick/accesslog' + +module WEBrick + class HTTPServerError < ServerError; end + + class HTTPServer < ::WEBrick::GenericServer + def initialize(config={}, default=Config::HTTP) + super + @http_version = HTTPVersion::convert(@config[:HTTPVersion]) + + @mount_tab = MountTable.new + if @config[:DocumentRoot] + mount("/", HTTPServlet::FileHandler, @config[:DocumentRoot], + @config[:DocumentRootOptions]) + end + + unless @config[:AccessLog] + basic_log = BasicLog::new + @config[:AccessLog] = [ + [ basic_log, AccessLog::COMMON_LOG_FORMAT ], + [ basic_log, AccessLog::REFERER_LOG_FORMAT ] + ] + end + end + + def run(sock) + while true + res = HTTPResponse.new(@config) + req = HTTPRequest.new(@config) + begin + req.parse(sock) + res.request_method = req.request_method + res.request_uri = req.request_uri + res.request_http_version = req.http_version + if handler = @config[:RequestHandler] + handler.call(req, res) + end + service(req, res) + rescue HTTPStatus::EOFError, HTTPStatus::RequestTimeout => ex + res.set_error(ex) + rescue HTTPStatus::Error => ex + res.set_error(ex) + rescue HTTPStatus::Status => ex + res.status = ex.code + rescue StandardError, NameError => ex # for Ruby 1.6 + @logger.error(ex) + res.set_error(ex, true) + ensure + if req.request_line + req.fixup() + res.send_response(sock) + access_log(@config, req, res) + end + end + break if @http_version < "1.1" + break unless req.keep_alive? + break unless res.keep_alive? + end + end + + def service(req, res) + if req.unparsed_uri == "*" + if req.request_method == "OPTIONS" + do_OPTIONS(req, res) + raise HTTPStatus::OK + end + raise HTTPStatus::NotFound, "`#{req.unparsed_uri}' not found." + end + + servlet, options, script_name, path_info = search_servlet(req.path) + raise HTTPStatus::NotFound, "`#{req.path}' not found." unless servlet + req.script_name = script_name + req.path_info = path_info + si = servlet.get_instance(self, *options) + @logger.debug(format("%s is invoked.", si.class.name)) + si.service(req, res) + end + + def do_OPTIONS(req, res) + res["allow"] = "GET,HEAD,POST,OPTIONS" + end + + def mount(dir, servlet, *options) + @logger.debug(sprintf("%s is mounted on %s.", servlet.inspect, dir)) + @mount_tab[dir] = [ servlet, options ] + end + + def mount_proc(dir, proc=nil, &block) + proc ||= block + raise HTTPServerError, "must pass a proc or block" unless proc + mount(dir, HTTPServlet::ProcHandler.new(proc)) + end + + def unmount(dir) + @logger.debug(sprintf("unmount %s.", inspect, dir)) + @mount_tab.delete(dir) + end + alias umount unmount + + def search_servlet(path) + script_name, path_info = @mount_tab.scan(path) + servlet, options = @mount_tab[script_name] + if servlet + [ servlet, options, script_name, path_info ] + end + end + + def access_log(config, req, res) + param = AccessLog::setup_params(config, req, res) + level = Log::INFO + @config[:AccessLog].each{|logger, fmt| + logger.log(level, AccessLog::format(fmt, param)) + } + end + + class MountTable + def initialize + @tab = Hash.new + compile + end + + def [](dir) + dir = normalize(dir) + @tab[dir] + end + + def []=(dir, val) + dir = normalize(dir) + @tab[dir] = val + compile + val + end + + def delete(dir) + dir = normalize(dir) + res = @tab.delete(dir) + compile + res + end + + def scan(path) + @scanner =~ path + [ $&, $' ] + end + + private + + def compile + k = @tab.keys + k.sort! + k.reverse! + k.collect!{|path| Regexp.escape(path) } + @scanner = Regexp.new("^(" + k.join("|") +")(?=/|$)") + end + + def normalize(dir) + ret = dir ? dir.dup : "" + ret.sub!(%r|/+$|, "") + ret + end + end + end +end |