ceph/src/seastar/include/seastar/http/request.hh

   1 /*
   2  * This file is open source software, licensed to you under the terms
   3  * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
   4  * distributed with this work for additional information regarding copyright
   5  * ownership.  You may not use this file except in compliance with the License.
   6  *
   7  * You may obtain a copy of the License at
   8  *
   9  *   http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing,
  12  * software distributed under the License is distributed on an
  13  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  14  * KIND, either express or implied.  See the License for the
  15  * specific language governing permissions and limitations
  16  * under the License.
  17  */
  18 /*
  19  * Copyright 2015 Cloudius Systems
  20  */
  21
  22 //
  23 // request.hpp
  24 // ~~~~~~~~~~~
  25 //
  26 // Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  27 //
  28 // Distributed under the Boost Software License, Version 1.0. (See accompanying
  29 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  30 //
  31 #pragma once
  32
  33 #include <seastar/core/sstring.hh>
  34 #include <string>
  35 #include <vector>
  36 #include <strings.h>
  37 #include <seastar/http/common.hh>
  38
  39 namespace seastar {
  40
  41 namespace httpd {
  42 class connection;
  43
  44 /**
  45  * A request received from a client.
  46  */
  47 struct request {
  48     enum class ctclass
  49         : char {
  50             other, multipart, app_x_www_urlencoded,
  51     };
  52
  53     sstring _method;
  54     sstring _url;
  55     sstring _version;
  56     int http_version_major;
  57     int http_version_minor;
  58     ctclass content_type_class;
  59     size_t content_length = 0;
  60     std::unordered_map<sstring, sstring> _headers;
  61     std::unordered_map<sstring, sstring> query_parameters;
  62     connection* connection_ptr;
  63     parameters param;
  64     sstring content;
  65     sstring protocol_name = "http";
  66
  67     /**
  68      * Search for the first header of a given name
  69      * @param name the header name
  70      * @return a pointer to the header value, if it exists or empty string
  71      */
  72     sstring get_header(const sstring& name) const {
  73         auto res = _headers.find(name);
  74         if (res == _headers.end()) {
  75             return "";
  76         }
  77         return res->second;
  78     }
  79
  80     /**
  81      * Search for the first header of a given name
  82      * @param name the header name
  83      * @return a pointer to the header value, if it exists or empty string
  84      */
  85     sstring get_query_param(const sstring& name) const {
  86         auto res = query_parameters.find(name);
  87         if (res == query_parameters.end()) {
  88             return "";
  89         }
  90         return res->second;
  91     }
  92
  93     /**
  94      * Get the request protocol name. Can be either "http" or "https".
  95      */
  96     sstring get_protocol_name() const {
  97         return protocol_name;
  98     }
  99
 100     /**
 101      * Get the request url.
 102      * @return the request url
 103      */
 104     sstring get_url() const {
 105         return get_protocol_name() + "://" + get_header("Host") + _url;
 106     }
 107
 108     bool is_multi_part() const {
 109         return content_type_class == ctclass::multipart;
 110     }
 111
 112     bool is_form_post() const {
 113         return content_type_class == ctclass::app_x_www_urlencoded;
 114     }
 115
 116 };
 117
 118 } // namespace httpd
 119
 120 }