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/*
* Copyright (C) 2003-2005 Tommi Maekitalo
*
* 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.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library 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 Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <tnt/httperror.h>
#include <tnt/http.h>
#include <tnt/htmlescostream.h>
#include <iostream>
#include <sstream>
#include <algorithm>
namespace tnt
{
////////////////////////////////////////////////////////////////////////
// HttpError
//
namespace
{
std::string httpErrorFormat(unsigned errcode, const std::string& msg)
{
char d[3];
d[2] = '0' + errcode % 10;
errcode /= 10;
d[1] = '0' + errcode % 10;
errcode /= 10;
d[0] = '0' + errcode % 10;
std::string ret(d, 3);
ret += ' ';
ret += msg;
return ret;
}
struct HttpMsg
{
unsigned statusCode;
const char* statusText;
};
const static HttpMsg httpMsgs[] = {
{ 0, "UNKNOWN" },
{ HTTP_CONTINUE, "Continue" },
{ HTTP_SWITCHING_PROTOCOLS, "Switching Protocols" },
{ HTTP_PROCESSING, "Processing" },
{ HTTP_OK, "OK" },
{ HTTP_CREATED, "Created" },
{ HTTP_ACCEPTED, "Accepted" },
{ HTTP_NON_AUTHORITATIVE, "Non-Authoritative Information" },
{ HTTP_NO_CONTENT, "No Content" },
{ HTTP_RESET_CONTENT, "Reset Content" },
{ HTTP_PARTIAL_CONTENT, "Partial Content" },
{ HTTP_MULTI_STATUS, "Multi Status" },
{ HTTP_MULTIPLE_CHOICES, "Multiple Choices" },
{ HTTP_MOVED_PERMANENTLY, "Moved Permanently" },
{ HTTP_MOVED_TEMPORARILY, "Moved Temporarily" },
{ HTTP_SEE_OTHER, "See Other" },
{ HTTP_NOT_MODIFIED, "Not Modified" },
{ HTTP_USE_PROXY, "Use Proxy" },
{ HTTP_TEMPORARY_REDIRECT, "Temporary Redirect" },
{ HTTP_BAD_REQUEST, "Bad Request" },
{ HTTP_UNAUTHORIZED, "Unauthorized" },
{ HTTP_PAYMENT_REQUIRED, "Payment Required" },
{ HTTP_FORBIDDEN, "Forbidden" },
{ HTTP_NOT_FOUND, "Not Found" },
{ HTTP_METHOD_NOT_ALLOWED, "Method Not Allowed" },
{ HTTP_NOT_ACCEPTABLE, "Not Acceptable" },
{ HTTP_PROXY_AUTHENTICATION_REQUIRED, "Proxy Authentication Required" },
{ HTTP_REQUEST_TIME_OUT, "Request Time-out" },
{ HTTP_CONFLICT, "Conflict" },
{ HTTP_GONE, "Gone" },
{ HTTP_LENGTH_REQUIRED, "Length Required" },
{ HTTP_PRECONDITION_FAILED, "Precondition Failed" },
{ HTTP_REQUEST_ENTITY_TOO_LARGE, "Request Entity Too Large" },
{ HTTP_REQUEST_URI_TOO_LARGE, "Request URI Too Large" },
{ HTTP_UNSUPPORTED_MEDIA_TYPE, "Unsupported Media Type" },
{ HTTP_RANGE_NOT_SATISFIABLE, "Range not satisfiable" },
{ HTTP_EXPECTATION_FAILED, "Expectation Failed" },
{ HTTP_UNPROCESSABLE_ENTITY, "Unprocessable Entity" },
{ HTTP_LOCKED, "Locked" },
{ HTTP_FAILED_DEPENDENCY, "Failed Dependency" },
{ HTTP_UPGRADE_REQUIRED, "Upgrade Required" },
{ HTTP_INTERNAL_SERVER_ERROR, "Internal Server Error" },
{ HTTP_NOT_IMPLEMENTED, "Not Implemented" },
{ HTTP_BAD_GATEWAY, "Bad Gateway" },
{ HTTP_SERVICE_UNAVAILABLE, "Service Unavailable" },
{ HTTP_GATEWAY_TIME_OUT, "Gateway Time Out" },
{ HTTP_VERSION_NOT_SUPPORTED, "Version Not Supported" },
{ HTTP_VARIANT_ALSO_VARIES, "Variant Also Varies" },
{ HTTP_INSUFFICIENT_STORAGE, "Insufficient Storage" },
{ HTTP_NOT_EXTENDED, "Not Extended" }
};
const static HttpMsg* httpMsgsBegin = httpMsgs;
const static HttpMsg* httpMsgsEnd = httpMsgs + sizeof(httpMsgs)/sizeof(HttpMsg);
inline bool operator< (const HttpMsg& m1, const HttpMsg& m2)
{ return m1.statusCode < m2.statusCode; }
}
HttpReturn::HttpReturn(unsigned returncode)
: _returncode(returncode),
_msg(httpMessage(returncode))
{ }
HttpReturn::HttpReturn(unsigned returncode, const char* msg)
: _returncode(returncode),
_msg(msg)
{ }
const char* HttpReturn::httpMessage(unsigned httpstatus)
{
HttpMsg msg;
msg.statusCode = httpstatus;
const HttpMsg* m = std::lower_bound(httpMsgsBegin, httpMsgsEnd, msg);
return m == httpMsgsEnd || m->statusCode != httpstatus ? "-" : m->statusText;
}
HttpError::HttpError(unsigned errcode)
: _msg(HttpReturn::httpMessage(errcode))
{
std::ostringstream b;
HtmlEscOstream sb(b);
b << "<html><body><h1>Error</h1><p>";
sb << _msg;
b << "</p></body></html>";
_body = b.str();
_msg = httpErrorFormat(errcode, _msg);
}
HttpError::HttpError(unsigned errcode, const std::string& m)
: _msg(httpErrorFormat(errcode, m))
{
std::ostringstream b;
HtmlEscOstream sb(b);
b << "<html><body><h1>Error</h1><p>";
sb << m;
b << "</p></body></html>";
_body = b.str();
}
HttpError::HttpError(unsigned errcode, const std::string& m, const std::string& b)
: _msg(httpErrorFormat(errcode, m)),
_body(b)
{ }
std::string HttpError::getErrmsg() const
{
std::string::size_type p = _msg.find('\n', 4);
return p == std::string::npos ? _msg.substr(4) : _msg.substr(4, p - 4);
}
namespace
{
std::string notFoundMsg(const std::string& url, const std::string& vhost)
{
std::string msg = "Not Found: ";
if (!vhost.empty())
{
msg += "vhost: ";
msg += vhost;
msg += ' ';
}
msg += url;
return msg;
}
}
NotFoundException::NotFoundException(const std::string& url, const std::string& vhost)
: HttpError(HTTP_NOT_FOUND, notFoundMsg(url, vhost)),
_url(url),
_vhost(vhost)
{ }
NotAuthorized::NotAuthorized(const std::string& realm)
: HttpError(HTTP_UNAUTHORIZED, "Unauthorized", "<html><body><h1>not authorized</h1></body></html>")
{ setHeader(httpheader::wwwAuthenticate, "Basic realm=\"" + realm + '"'); }
MovedTemporarily::MovedTemporarily(const std::string& url)
: HttpError(HTTP_MOVED_TEMPORARILY,
"Moved Temporarily",
"<html><body>moved to <a href=\"" + url + "\">" + url + "</a></body></html>")
{ setHeader(httpheader::location, url); }
}
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