http_parsed_url.h

00001 /*
00002  * PackageLicenseDeclared: Apache-2.0
00003  * Copyright (c) 2017 ARM Limited
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License");
00006  * you may not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #ifndef _MBED_HTTP_PARSED_URL_H_
00019 #define _MBED_HTTP_PARSED_URL_H_
00020 
00021 #include "http_parser.h"
00022 
00023 class ParsedUrl {
00024 public:
00025     ParsedUrl(const char* url) {
00026         struct http_parser_url parsed_url;
00027         http_parser_parse_url(url, strlen(url), false, &parsed_url);
00028 
00029         for (size_t ix = 0; ix < UF_MAX; ix++) {
00030             char* value;
00031             if (parsed_url.field_set & (1 << ix)) {
00032                 value = (char*)calloc(parsed_url.field_data[ix].len + 1, 1);
00033                 memcpy((void*)value, url + parsed_url.field_data[ix].off,
00034                        parsed_url.field_data[ix].len);
00035             }
00036             else {
00037                 value = (char*)calloc(1, 1);
00038             }
00039 
00040             switch ((http_parser_url_fields)ix) {
00041                 case UF_SCHEMA:   _schema   = value; break;
00042                 case UF_HOST:     _host     = value; break;
00043                 case UF_PATH:     _path     = value; break;
00044                 case UF_QUERY:    _query    = value; break;
00045                 case UF_USERINFO: _userinfo = value; break;
00046                 default:
00047                     // PORT is already parsed, FRAGMENT is not relevant for HTTP requests
00048                     free((void*)value);
00049                     break;
00050             }
00051         }
00052 
00053         _port = parsed_url.port;
00054         if (!_port) {
00055             if (strcmp(_schema, "https") == 0) {
00056                 _port = 443;
00057             }
00058             else {
00059                 _port = 80;
00060             }
00061         }
00062 
00063         if (strcmp(_path, "") == 0) {
00064             _path = (char*)calloc(2, 1);
00065             _path[0] = '/';
00066         }
00067     }
00068 
00069     ~ParsedUrl() {
00070         if (_schema) free((void*)_schema);
00071         if (_host) free((void*)_host);
00072         if (_path) free((void*)_path);
00073         if (_query) free((void*)_query);
00074         if (_userinfo) free((void*)_userinfo);
00075     }
00076 
00077     uint16_t port() const { return _port; }
00078     char* schema() const { return _schema; }
00079     char* host() const { return _host; }
00080     char* path() const { return _path; }
00081     char* query() const { return _query; }
00082     char* userinfo() const { return _userinfo; }
00083 
00084 private:
00085     uint16_t _port;
00086     char* _schema;
00087     char* _host;
00088     char* _path;
00089     char* _query;
00090     char* _userinfo;
00091 };
00092 
00093 #endif // _MBED_HTTP_PARSED_URL_H_