/usr/include/musicbrainz5/HTTPFetch.h is in libmusicbrainz5-dev 5.1.0+git20150707-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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libmusicbrainz5 - Client library to access MusicBrainz
Copyright (C) 2012 Andrew Hawkins
This file is part of libmusicbrainz5.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
libmusicbrainz5 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
$Id$
----------------------------------------------------------------------------*/
#ifndef _MUSICBRAINZ5_HTTP_FETCH_
#define _MUSICBRAINZ5_HTTP_FETCH_
#include <string>
#include <vector>
namespace MusicBrainz5
{
class CHTTPFetchPrivate;
class CExceptionBase: public std::exception
{
public:
CExceptionBase(const std::string& ErrorMessage, const std::string& Exception)
: m_ErrorMessage(ErrorMessage),
m_Exception(Exception)
{
m_FullMessage=m_Exception + ": " + m_ErrorMessage;
}
virtual ~CExceptionBase() throw() {};
virtual const char* what() const throw()
{
return m_FullMessage.c_str();
}
private:
std::string m_ErrorMessage;
std::string m_Exception;
std::string m_FullMessage;
};
/**
* Exception thrown when an error occurs connecting to web service
*/
class CConnectionError: public CExceptionBase
{
public:
CConnectionError(const std::string& ErrorMessage)
: CExceptionBase(ErrorMessage,"Connection error")
{
}
};
/**
* Exception thrown when a connection to the web service times out
*/
class CTimeoutError: public CExceptionBase
{
public:
CTimeoutError(const std::string& ErrorMessage)
: CExceptionBase(ErrorMessage,"Timeout error")
{
}
};
/**
* Exception thrown when an authentication error occurs
*/
class CAuthenticationError: public CExceptionBase
{
public:
CAuthenticationError(const std::string& ErrorMessage)
: CExceptionBase(ErrorMessage,"Authentication error")
{
}
};
/**
* Exception thrown when an error occurs fetching data
*/
class CFetchError: public CExceptionBase
{
public:
CFetchError(const std::string& ErrorMessage)
: CExceptionBase(ErrorMessage,"Fetch error")
{
}
};
/**
* Exception thrown when an invalid request is made
*/
class CRequestError: public CExceptionBase
{
public:
CRequestError(const std::string& ErrorMessage)
: CExceptionBase(ErrorMessage,"Request error")
{
}
};
/**
* Exception thrown when the requested resource is not found
*/
class CResourceNotFoundError: public CExceptionBase
{
public:
CResourceNotFoundError(const std::string& ErrorMessage)
: CExceptionBase(ErrorMessage,"Resource not found error")
{
}
};
/**
* @brief Object for make HTTP requests
*
* Object to be used to make HTTP requests
*
*/
class CHTTPFetch
{
public:
/**
* @brief Constructor
*
* Constructor
*
* @param UserAgent User agent string to send
* @param Host Host name to connect to
* @param Port Port to connect to (80 by default)
*/
CHTTPFetch(const std::string& UserAgent, const std::string& Host, int Port=80);
~CHTTPFetch();
/**
* @brief Set the user name to use
*
* Set the user name to use when authenticating with the web server
*
* @param UserName User name to use
*/
void SetUserName(const std::string& UserName);
/**
* @brief Set the password to use
*
* Set the password to use when authenticating with the web server
*
* @param Password Password to use
*/
void SetPassword(const std::string& Password);
/**
* @brief Set the proxy server to use
*
* Set the proxy server to use when connecting with the web server
*
* @param ProxyHost Proxy server to use
*/
void SetProxyHost(const std::string& ProxyHost);
/**
* @brief Set the proxy port to use
*
* Set the proxy server port to use when connecting to the web server
*
* @param ProxyPort Proxy server port to use
*/
void SetProxyPort(int ProxyPort);
/**
* @brief Set the proxy user name to use
*
* Set the user name to use when authenticating with the proxy server
*
* @param ProxyUserName Proxy user name to use
*/
void SetProxyUserName(const std::string& ProxyUserName);
/**
* @brief Set the proxy password to use
*
* Set the password to use when authenticating with the proxy server
*
* @param ProxyPassword Proxy server password to use
*/
void SetProxyPassword(const std::string& ProxyPassword);
/**
* @brief Make a request to the server
*
* Make a request to the server
*
* @param URL URL to request
* @param Request Request type (GET by default)
*
* @return Number of bytes received
*
* @throw CConnectionError An error occurred connecting to the web server
* @throw CTimeoutError A timeout occurred when connecting to the web server
* @throw CAuthenticationError An authentication error occurred
* @throw CFetchError An error occurred fetching data
* @throw CRequestError The request was invalid
* @throw CResourceNotFoundError The requested resource was not found
*/
int Fetch(const std::string& URL, const std::string& Request="GET");
/**
* @brief Get the data receieved
*
* Get the data received from the request
*
* @return Data received
*/
std::vector<unsigned char> Data() const;
/**
* @brief libneon result code from the request
*
* Return the result code from the request
*
* @return libneon result code from the request
*/
int Result() const;
/**
* @brief Status
*
* Return the HTTP status code from the request
*
* @return HTTP status code from the request
*/
int Status() const;
/**
* @brief Return the error message from the request
*
* Return the error message from the request
*
* @return Error message from the request
*/
std::string ErrorMessage() const;
private:
CHTTPFetchPrivate * const m_d;
static int httpAuth(void *userdata, const char *realm, int attempts, char *username, char *password);
static int proxyAuth(void *userdata, const char *realm, int attempts, char *username, char *password);
static int httpResponseReader(void *userdata, const char *buf, size_t len);
};
}
#endif
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