danicoin/contrib/epee/include/net/http_base.h

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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Andrey N. Sabelnikov nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
#include <boost/lexical_cast.hpp>
#include <boost/regex.hpp>
#include <boost/utility/string_ref.hpp>
#include <string>
#include <utility>
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#include "string_tools.h"
Change logging to easylogging++ This replaces the epee and data_loggers logging systems with a single one, and also adds filename:line and explicit severity levels. Categories may be defined, and logging severity set by category (or set of categories). epee style 0-4 log level maps to a sensible severity configuration. Log files now also rotate when reaching 100 MB. To select which logs to output, use the MONERO_LOGS environment variable, with a comma separated list of categories (globs are supported), with their requested severity level after a colon. If a log matches more than one such setting, the last one in the configuration string applies. A few examples: This one is (mostly) silent, only outputting fatal errors: MONERO_LOGS=*:FATAL This one is very verbose: MONERO_LOGS=*:TRACE This one is totally silent (logwise): MONERO_LOGS="" This one outputs all errors and warnings, except for the "verify" category, which prints just fatal errors (the verify category is used for logs about incoming transactions and blocks, and it is expected that some/many will fail to verify, hence we don't want the spam): MONERO_LOGS=*:WARNING,verify:FATAL Log levels are, in decreasing order of priority: FATAL, ERROR, WARNING, INFO, DEBUG, TRACE Subcategories may be added using prefixes and globs. This example will output net.p2p logs at the TRACE level, but all other net* logs only at INFO: MONERO_LOGS=*:ERROR,net*:INFO,net.p2p:TRACE Logs which are intended for the user (which Monero was using a lot through epee, but really isn't a nice way to go things) should use the "global" category. There are a few helper macros for using this category, eg: MGINFO("this shows up by default") or MGINFO_RED("this is red"), to try to keep a similar look and feel for now. Existing epee log macros still exist, and map to the new log levels, but since they're used as a "user facing" UI element as much as a logging system, they often don't map well to log severities (ie, a log level 0 log may be an error, or may be something we want the user to see, such as an important info). In those cases, I tried to use the new macros. In other cases, I left the existing macros in. When modifying logs, it is probably best to switch to the new macros with explicit levels. The --log-level options and set_log commands now also accept category settings, in addition to the epee style log levels.
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#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "net.http"
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namespace epee
{
namespace net_utils
{
namespace http
{
enum http_method{
http_method_get,
http_method_post,
http_method_put,
http_method_head,
http_method_etc,
http_method_unknown
};
enum http_content_type
{
http_content_type_text_html,
http_content_type_image_gif,
http_content_type_other,
http_content_type_not_set
};
typedef std::list<std::pair<std::string, std::string> > fields_list;
inline
std::string get_value_from_fields_list(const std::string& param_name, const net_utils::http::fields_list& fields)
{
fields_list::const_iterator it = fields.begin();
for(; it != fields.end(); it++)
if(!string_tools::compare_no_case(param_name, it->first))
break;
if(it==fields.end())
return std::string();
return it->second;
}
inline
std::string get_value_from_uri_line(const std::string& param_name, const std::string& uri)
{
std::string buff = "([\\?|&])";
buff += param_name + "=([^&]*)";
boost::regex match_param(buff.c_str(), boost::regex::icase | boost::regex::normal);
boost::smatch result;
if(boost::regex_search(uri, result, match_param, boost::match_default) && result[0].matched)
{
return result[2];
}
return std::string();
}
static inline void add_field(std::string& out, const boost::string_ref name, const boost::string_ref value)
{
out.append(name.data(), name.size()).append(": ");
out.append(value.data(), value.size()).append("\r\n");
}
static inline void add_field(std::string& out, const std::pair<std::string, std::string>& field)
{
add_field(out, field.first, field.second);
}
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struct http_header_info
{
std::string m_connection; //"Connection:"
std::string m_referer; //"Referer:"
std::string m_content_length; //"Content-Length:"
std::string m_content_type; //"Content-Type:"
std::string m_transfer_encoding;//"Transfer-Encoding:"
std::string m_content_encoding; //"Content-Encoding:"
std::string m_host; //"Host:"
std::string m_cookie; //"Cookie:"
std::string m_user_agent; //"User-Agent:"
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fields_list m_etc_fields;
void clear()
{
m_connection.clear();
m_referer.clear();
m_content_length.clear();
m_content_type.clear();
m_transfer_encoding.clear();
m_content_encoding.clear();
m_host.clear();
m_cookie.clear();
m_user_agent.clear();
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m_etc_fields.clear();
}
};
struct uri_content
{
std::string m_path;
std::string m_query;
std::string m_fragment;
std::list<std::pair<std::string, std::string> > m_query_params;
};
struct url_content
{
std::string schema;
std::string host;
std::string uri;
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uint64_t port;
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uri_content m_uri_content;
};
struct http_request_info
{
http_request_info():m_http_method(http_method_unknown),
m_http_ver_hi(0),
m_http_ver_lo(0),
m_have_to_block(false)
{}
http_method m_http_method;
std::string m_URI;
std::string m_http_method_str;
std::string m_full_request_str;
std::string m_replace_html;
std::string m_request_head;
int m_http_ver_hi;
int m_http_ver_lo;
bool m_have_to_block;
http_header_info m_header_info;
uri_content m_uri_content;
size_t m_full_request_buf_size;
std::string m_body;
void clear()
{
this->~http_request_info();
new(this) http_request_info();
}
};
struct http_response_info
{
int m_response_code;
std::string m_response_comment;
fields_list m_additional_fields;
std::string m_body;
std::string m_mime_tipe;
http_header_info m_header_info;
int m_http_ver_hi;// OUT paramter only
int m_http_ver_lo;// OUT paramter only
void clear()
{
this->~http_response_info();
new(this) http_response_info();
}
};
}
}
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}