mirror of https://github.com/Icinga/icinga2.git
424 lines
9.7 KiB
C++
424 lines
9.7 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "base/array.hpp"
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#include "base/utility.hpp"
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#include "base/objectlock.hpp"
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#include "remote/url.hpp"
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#include "remote/url-characters.hpp"
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#include <boost/tokenizer.hpp>
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#include <boost/foreach.hpp>
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using namespace icinga;
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Url::Url()
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{ }
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Url::Url(const String& base_url)
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{
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String url = base_url;
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if (url.GetLength() == 0)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL Empty URL."));
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size_t pHelper = url.Find(":");
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if (pHelper != String::NPos) {
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if (!ParseScheme(url.SubStr(0, pHelper)))
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL Scheme."));
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url = url.SubStr(pHelper + 1);
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}
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if (*url.Begin() != '/')
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL: '/' expected after scheme."));
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if (url.GetLength() == 1) {
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return;
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}
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if (*(url.Begin() + 1) == '/') {
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pHelper = url.Find("/", 2);
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if (pHelper == String::NPos)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL: Missing '/' after authority."));
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if (!ParseAuthority(url.SubStr(0, pHelper)))
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL Authority"));
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url = url.SubStr(pHelper);
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}
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if (*url.Begin() == '/') {
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pHelper = url.FindFirstOf("#?");
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if (!ParsePath(url.SubStr(1, pHelper - 1)))
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL Path"));
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if (pHelper != String::NPos)
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url = url.SubStr(pHelper);
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} else
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL: Missing path."));
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if (*url.Begin() == '?') {
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pHelper = url.Find("#");
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if (!ParseQuery(url.SubStr(1, pHelper - 1)))
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL Query"));
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if (pHelper != String::NPos)
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url = url.SubStr(pHelper);
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}
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if (*url.Begin() == '#') {
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if (!ParseFragment(url.SubStr(1)))
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid URL Fragment"));
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}
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}
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String Url::GetScheme(void) const
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{
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return m_Scheme;
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}
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String Url::GetAuthority(void) const
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{
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if (m_Host.IsEmpty())
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return "";
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String auth;
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if (!m_Username.IsEmpty()) {
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auth = m_Username;
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if (!m_Password.IsEmpty())
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auth += ":" + m_Password;
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auth += "@";
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}
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auth += m_Host;
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if (!m_Port.IsEmpty())
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auth += ":" + m_Port;
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return auth;
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}
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String Url::GetUsername(void) const
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{
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return m_Username;
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}
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String Url::GetPassword(void) const
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{
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return m_Password;
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}
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String Url::GetHost(void) const
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{
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return m_Host;
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}
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String Url::GetPort(void) const
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{
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return m_Port;
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}
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const std::vector<String>& Url::GetPath(void) const
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{
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return m_Path;
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}
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const std::map<String, std::vector<String> >& Url::GetQuery(void) const
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{
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return m_Query;
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}
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String Url::GetQueryElement(const String& name) const
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{
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std::map<String, std::vector<String> >::const_iterator it = m_Query.find(name);
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if (it == m_Query.end())
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return String();
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return it->second.back();
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}
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const std::vector<String>& Url::GetQueryElements(const String& name) const
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{
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std::map<String, std::vector<String> >::const_iterator it = m_Query.find(name);
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if (it == m_Query.end()) {
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static std::vector<String> emptyVector;
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return emptyVector;
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}
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return it->second;
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}
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String Url::GetFragment(void) const
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{
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return m_Fragment;
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}
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void Url::SetScheme(const String& scheme)
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{
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m_Scheme = scheme;
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}
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void Url::SetUsername(const String& username)
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{
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m_Username = username;
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}
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void Url::SetPassword(const String& password)
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{
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m_Password = password;
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}
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void Url::SetHost(const String& host)
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{
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m_Host = host;
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}
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void Url::SetPort(const String& port)
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{
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m_Port = port;
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}
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void Url::SetPath(const std::vector<String>& path)
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{
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m_Path = path;
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}
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void Url::SetQuery(const std::map<String, std::vector<String> >& query)
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{
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m_Query = query;
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}
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void Url::AddQueryElement(const String& name, const String& value)
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{
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std::map<String, std::vector<String> >::iterator it = m_Query.find(name);
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if (it == m_Query.end()) {
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m_Query[name] = std::vector<String>();
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m_Query[name].push_back(value);
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} else
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m_Query[name].push_back(value);
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}
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void Url::SetQueryElements(const String& name, const std::vector<String>& values)
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{
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m_Query[name] = values;
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}
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void Url::SetFragment(const String& fragment) {
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m_Fragment = fragment;
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}
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String Url::Format(bool print_credentials) const
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{
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String url;
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if (!m_Scheme.IsEmpty())
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url += m_Scheme + ":";
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if (print_credentials && !GetAuthority().IsEmpty())
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url += "//" + GetAuthority();
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else if (!GetHost().IsEmpty())
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url += "//" + GetHost() + (!GetPort().IsEmpty() ? ":" + GetPort() : "");
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if (m_Path.empty())
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url += "/";
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else {
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BOOST_FOREACH (const String& segment, m_Path) {
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url += "/";
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url += Utility::EscapeString(segment, ACPATHSEGMENT, false);
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}
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}
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String param;
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if (!m_Query.empty()) {
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typedef std::pair<String, std::vector<String> > kv_pair;
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BOOST_FOREACH (const kv_pair& kv, m_Query) {
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String key = Utility::EscapeString(kv.first, ACQUERY, false);
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if (param.IsEmpty())
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param = "?";
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else
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param += "&";
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String temp;
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BOOST_FOREACH (const String s, kv.second) {
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if (!temp.IsEmpty())
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temp += "&";
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temp += key + "[]=" + Utility::EscapeString(s, ACQUERY, false);
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}
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param += temp;
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}
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}
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url += param;
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if (!m_Fragment.IsEmpty())
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url += "#" + Utility::EscapeString(m_Fragment, ACFRAGMENT, false);
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return url;
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}
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bool Url::ParseScheme(const String& scheme)
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{
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m_Scheme = scheme;
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if (scheme.FindFirstOf(ALPHA) != 0)
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return false;
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return (ValidateToken(scheme, ACSCHEME));
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}
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bool Url::ParseAuthority(const String& authority)
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{
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String auth = authority.SubStr(2);
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size_t pos = auth.Find("@");
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if (pos != String::NPos && pos != 0) {
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if (!Url::ParseUserinfo(auth.SubStr(0, pos)))
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return false;
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auth = auth.SubStr(pos+1);
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}
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pos = auth.Find(":");
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if (pos != String::NPos) {
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if (pos == 0 || pos == auth.GetLength() - 1 || !Url::ParsePort(auth.SubStr(pos+1)))
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return false;
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}
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m_Host = auth.SubStr(0, pos);
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return ValidateToken(m_Host, ACHOST);
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}
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bool Url::ParseUserinfo(const String& userinfo)
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{
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size_t pos = userinfo.Find(":");
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m_Username = userinfo.SubStr(0, pos);
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if (!ValidateToken(m_Username, ACUSERINFO))
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return false;
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m_Username = Utility::UnescapeString(m_Username);
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if (pos != String::NPos && pos != userinfo.GetLength() - 1) {
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m_Password = userinfo.SubStr(pos+1);
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if (!ValidateToken(m_Username, ACUSERINFO))
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return false;
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m_Password = Utility::UnescapeString(m_Password);
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} else
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m_Password = "";
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return true;
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}
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bool Url::ParsePort(const String& port)
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{
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m_Port = Utility::UnescapeString(port);
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if (!ValidateToken(m_Port, ACPORT))
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return false;
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return true;
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}
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bool Url::ParsePath(const String& path)
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{
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std::string pathStr = path;
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boost::char_separator<char> sep("/");
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boost::tokenizer<boost::char_separator<char> > tokens(pathStr, sep);
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BOOST_FOREACH(const String& token, tokens) {
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if (token.IsEmpty())
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continue;
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if (!ValidateToken(token, ACPATHSEGMENT))
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return false;
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String decodedToken = Utility::UnescapeString(token);
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m_Path.push_back(decodedToken);
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}
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return true;
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}
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bool Url::ParseQuery(const String& query)
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{
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/* Tokenizer does not like String AT ALL */
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std::string queryStr = query;
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boost::char_separator<char> sep("&");
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boost::tokenizer<boost::char_separator<char> > tokens(queryStr, sep);
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BOOST_FOREACH(const String& token, tokens) {
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size_t pHelper = token.Find("=");
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if (pHelper == 0)
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// /?foo=bar&=bar == invalid
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return false;
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String key = token.SubStr(0, pHelper);
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String value = Empty;
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if (pHelper != token.GetLength() - 1)
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value = token.SubStr(pHelper+1);
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if (!ValidateToken(value, ACQUERY))
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return false;
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value = Utility::UnescapeString(value);
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pHelper = key.Find("[]");
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if (pHelper == 0 || (pHelper != String::NPos && pHelper != key.GetLength()-2))
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return false;
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key = key.SubStr(0, pHelper);
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if (!ValidateToken(key, ACQUERY))
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return false;
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key = Utility::UnescapeString(key);
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std::map<String, std::vector<String> >::iterator it = m_Query.find(key);
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if (it == m_Query.end()) {
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m_Query[key] = std::vector<String>();
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m_Query[key].push_back(value);
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} else
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m_Query[key].push_back(value);
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}
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return true;
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}
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bool Url::ParseFragment(const String& fragment)
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{
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m_Fragment = Utility::UnescapeString(fragment);
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return ValidateToken(fragment, ACFRAGMENT);
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}
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bool Url::ValidateToken(const String& token, const String& symbols)
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{
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BOOST_FOREACH (const char c, token.CStr()) {
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if (symbols.FindFirstOf(c) == String::NPos)
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return false;
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}
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return true;
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}
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