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Diffstat (limited to 'src/messaging/url.cpp')
| -rw-r--r-- | src/messaging/url.cpp | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/messaging/url.cpp b/src/messaging/url.cpp new file mode 100644 index 00000000..cd38c656 --- /dev/null +++ b/src/messaging/url.cpp @@ -0,0 +1,226 @@ +// +// 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 |