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//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2004 Vincent Richard <[email protected]>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include "url.hpp"
#include "parserHelpers.hpp"
#include "urlUtils.hpp"
#include "exception.hpp"
#include <sstream>
namespace vmime {
namespace messaging {
// Known protocols
const string url::PROTOCOL_FILE = "file";
const string url::PROTOCOL_HTTP = "http";
const string url::PROTOCOL_FTP = "ftp";
url::url(const string& s)
{
parse(s);
}
url::url(const url& u)
{
operator=(u);
}
url::url(const string& protocol, const string& host, const port_t port,
const string& path, const string& username, const string& password)
: m_protocol(protocol), m_username(username), m_password(password),
m_host(host), m_port(port), m_path(path)
{
}
url& url::operator=(const url& u)
{
m_protocol = u.m_protocol;
m_username = u.m_username;
m_password = u.m_password;
m_host = u.m_host;
m_port = u.m_port;
m_path = u.m_path;
return (*this);
}
url& url::operator=(const string& s)
{
parse(s);
return (*this);
}
url::operator string() const
{
return build();
}
const string url::build() const
{
std::ostringstream oss;
oss << m_protocol << "://";
if (!m_username.empty())
{
oss << urlUtils::encode(m_username);
if (!m_password.empty())
{
oss << ":";
oss << urlUtils::encode(m_password);
}
oss << "@";
}
oss << urlUtils::encode(m_host);
if (m_port != UNSPECIFIED_PORT)
{
oss << ":";
oss << m_port;
}
if (!m_path.empty())
{
oss << "/";
oss << urlUtils::encode(m_path);
}
return (oss.str());
}
void url::parse(const string& str)
{
// Protocol
const string::size_type protoEnd = str.find("://");
if (protoEnd == string::npos) throw exceptions::malformed_url("No protocol separator");
const string proto =
toLower(string(str.begin(), str.begin() + protoEnd));
// Username/password
string::size_type slashPos = str.find('/', protoEnd + 3);
if (slashPos == string::npos) slashPos = str.length();
string::size_type atPos = str.find('@', protoEnd + 3);
string hostPart;
string username;
string password;
if (atPos != string::npos && atPos < slashPos)
{
const string userPart(str.begin() + protoEnd, str.begin() + atPos);
const string::size_type colonPos = userPart.find(':');
if (colonPos == string::npos)
{
username = userPart;
}
else
{
username = string(userPart.begin(), userPart.begin() + colonPos);
password = string(userPart.begin() + colonPos + 1, userPart.end());
}
hostPart = string(str.begin() + atPos + 1, str.begin() + slashPos);
}
else
{
hostPart = string(str.begin() + protoEnd, str.begin() + slashPos);
}
// Host/port
const string::size_type colonPos = hostPart.find(':');
string host;
string port;
if (colonPos == string::npos)
{
host = hostPart;
}
else
{
host = string(hostPart.begin(), hostPart.begin() + colonPos);
port = string(hostPart.begin() + colonPos + 1, hostPart.end());
}
// Path
string path(str.begin() + slashPos, str.end());
if (path == "/")
path.clear();
// Some sanity check
if (proto.empty())
throw exceptions::malformed_url("No protocol specified");
else if (host.empty() && path.empty()) // Accept empty host (eg. "file:///home/vincent/mydoc")
throw exceptions::malformed_url("No host specified");
bool onlyDigit = true;
for (string::const_iterator it = port.begin() ;
onlyDigit && it != port.end() ; ++it)
{
onlyDigit = isdigit(*it);
}
if (!onlyDigit)
throw exceptions::malformed_url("Port can only contain digits");
std::istringstream iss(port);
port_t portNum = 0;
iss >> portNum;
// Now, save URL parts
m_protocol = proto;
m_username = urlUtils::decode(username);
m_password = urlUtils::decode(password);
m_host = urlUtils::decode(host);
m_port = portNum;
m_path = urlUtils::decode(path);
}
} // messaging
} // vmime
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