605fed7839
The HTTP parser parses HTTP/1.1 messages into easily manageable data structures. This should make it easier to map the HTTP requests into actual commands in MaxScale.
113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2016 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2019-07-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
|
|
#include "maxscale/httpparser.hh"
|
|
|
|
#include <ctype.h>
|
|
|
|
static enum http_verb string_to_http_verb(string& verb)
|
|
{
|
|
if (verb == "GET")
|
|
{
|
|
return HTTP_GET;
|
|
}
|
|
else if (verb == "POST")
|
|
{
|
|
return HTTP_POST;
|
|
}
|
|
else if (verb == "PUT")
|
|
{
|
|
return HTTP_PUT;
|
|
}
|
|
else if (verb == "PATCH")
|
|
{
|
|
return HTTP_PATCH;
|
|
}
|
|
else if (verb == "OPTIONS")
|
|
{
|
|
return HTTP_OPTIONS;
|
|
}
|
|
|
|
return HTTP_UNKNOWN;
|
|
}
|
|
|
|
HttpParser* HttpParser::parse(string request)
|
|
{
|
|
size_t pos = request.find("\r\n");
|
|
string request_line = request.substr(0, pos);
|
|
request.erase(0, pos + 2);
|
|
|
|
pos = request_line.find(" ");
|
|
string verb = request_line.substr(0, pos);
|
|
request_line.erase(0, pos + 1);
|
|
|
|
pos = request_line.find(" ");
|
|
string uri = request_line.substr(0, pos);
|
|
request_line.erase(0, pos + 1);
|
|
|
|
pos = request_line.find("\r\n");
|
|
string http_version = request_line.substr(0, pos);
|
|
request_line.erase(0, pos + 2);
|
|
|
|
map<string, string> headers;
|
|
|
|
while ((pos = request.find("\r\n")) != string::npos)
|
|
{
|
|
string header_line = request.substr(0, pos);
|
|
request.erase(0, pos + 2);
|
|
|
|
if (header_line.length() == 0)
|
|
{
|
|
/** End of headers */
|
|
break;
|
|
}
|
|
|
|
if ((pos = header_line.find(":")) != string::npos)
|
|
{
|
|
string key = header_line.substr(0, pos);
|
|
header_line.erase(0, pos + 1);
|
|
|
|
while (isspace(header_line[0]))
|
|
{
|
|
header_line.erase(0, 1);
|
|
}
|
|
|
|
headers[key] = header_line;
|
|
}
|
|
}
|
|
|
|
HttpParser* parser = NULL;
|
|
enum http_verb verb_value = string_to_http_verb(verb);
|
|
|
|
if (http_version == "HTTP/1.1" && verb_value != HTTP_UNKNOWN)
|
|
{
|
|
parser = new HttpParser();
|
|
parser->m_verb = verb_value;
|
|
parser->m_resource = uri;
|
|
parser->m_headers = headers;
|
|
parser->m_body = request;
|
|
}
|
|
|
|
return parser;
|
|
}
|
|
|
|
HttpParser::HttpParser()
|
|
{
|
|
|
|
}
|
|
|
|
HttpParser::~HttpParser()
|
|
{
|
|
|
|
}
|