660 lines
26 KiB
C++
660 lines
26 KiB
C++
/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport 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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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author$
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Version : $Revision$
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Location : $URL$
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------------------------------------------------------------------------------*/
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/* ============================================================ include files */
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#ifdef HAVE_CONFIG_H
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#include "configure.h"
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#endif
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#else
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#error "Need unistd.h"
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#endif
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#include <fstream>
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#include <boost/date_time/posix_time/posix_time.hpp>
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#include <XmlRpcClient.h>
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#include <XmlRpcValue.h>
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#include "WebAuthenticationClient.h"
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using namespace boost::posix_time;
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using namespace XmlRpc;
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using namespace LiveSupport::Core;
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using namespace LiveSupport::Authentication;
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/* =================================================== local data structures */
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/* ================================================ local constants & macros */
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ configuration file constants */
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/*------------------------------------------------------------------------------
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* The name of the config element for this class
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*----------------------------------------------------------------------------*/
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const std::string WebAuthenticationClient::configElementNameStr
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= "webAuthentication";
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/*------------------------------------------------------------------------------
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* The name of the config child element for the authentication server location
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*----------------------------------------------------------------------------*/
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static const std::string locationConfigElementName = "location";
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/*------------------------------------------------------------------------------
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* The name of the config element attribute for the server name
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*----------------------------------------------------------------------------*/
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static const std::string locationServerAttrName = "server";
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/*------------------------------------------------------------------------------
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* The name of the config element attribute for the server port
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*----------------------------------------------------------------------------*/
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static const std::string locationPortAttrName = "port";
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/*------------------------------------------------------------------------------
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* The name of the config element attribute for the server php page
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*----------------------------------------------------------------------------*/
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static const std::string locationPathAttrName = "path";
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ authentication server constants: login */
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/*------------------------------------------------------------------------------
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* The name of the get version method on the storage server
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*----------------------------------------------------------------------------*/
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static const std::string getVersionMethodName = "locstor.getVersion";
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/*------------------------------------------------------------------------------
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* The name of version return parameter for getVersion
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*----------------------------------------------------------------------------*/
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static const std::string getVersionResultParamName = "version";
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/*------------------------------------------------------------------------------
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* The name of the login method on the server
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*----------------------------------------------------------------------------*/
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static const std::string loginMethodName = "locstor.login";
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/*------------------------------------------------------------------------------
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* The name of the login parameter in the input structure
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*----------------------------------------------------------------------------*/
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static const std::string loginParamName = "login";
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/*------------------------------------------------------------------------------
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* The name of the password parameter in the input structure
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*----------------------------------------------------------------------------*/
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static const std::string passwordParamName = "pass";
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/*------------------------------------------------------------------------------
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* The name of the session ID parameter in the output structure
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*----------------------------------------------------------------------------*/
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static const std::string outputSessionIdParamName = "sessid";
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ authentication server constants: logout */
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/*------------------------------------------------------------------------------
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* The name of the logout method on the server
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*----------------------------------------------------------------------------*/
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static const std::string logoutMethodName = "locstor.logout";
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/*------------------------------------------------------------------------------
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* The name of the session ID parameter in the input structure
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*----------------------------------------------------------------------------*/
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static const std::string inputSessionIdParamName = "sessid";
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/*------------------------------------------------------------------------------
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* The name of the status parameter in the output structure
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*----------------------------------------------------------------------------*/
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static const std::string statusParamName = "status";
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/* ~~~~~~~~~~~~~~~~~~ authentication server constants: load/save preferences */
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/*------------------------------------------------------------------------------
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* The name of the load preferences method on the server
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*----------------------------------------------------------------------------*/
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static const std::string loadPreferencesMethodName = "locstor.loadPref";
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/*------------------------------------------------------------------------------
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* The name of the save preferences method on the server
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*----------------------------------------------------------------------------*/
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static const std::string savePreferencesMethodName = "locstor.savePref";
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/*------------------------------------------------------------------------------
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* The name of the delete preferences method on the server
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*----------------------------------------------------------------------------*/
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static const std::string deletePreferencesMethodName = "locstor.delPref";
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/*------------------------------------------------------------------------------
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* The name of the session ID parameter in the input structure
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*----------------------------------------------------------------------------*/
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static const std::string preferencesSessionIdParamName = "sessid";
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/*------------------------------------------------------------------------------
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* The name of the key parameter in the input structure
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*----------------------------------------------------------------------------*/
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static const std::string preferencesKeyParamName = "key";
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/*------------------------------------------------------------------------------
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* The name of the value parameter for both save and load methods
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*----------------------------------------------------------------------------*/
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static const std::string preferencesValueParamName = "value";
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/*------------------------------------------------------------------------------
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* The name of the return parameter for the save method
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*----------------------------------------------------------------------------*/
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static const std::string preferencesStatusParamName = "status";
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/*------------------------------------------------------------------------------
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* The name of the fault code parameter
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*----------------------------------------------------------------------------*/
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static const std::string faultCodeParamName = "faultCode";
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/*------------------------------------------------------------------------------
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* The fault code for the "invalid preference key" error
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*----------------------------------------------------------------------------*/
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static const int invalidPreferenceKeyFaultCode = 849;
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/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~ authentication server constants: resetStorage */
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/*------------------------------------------------------------------------------
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* The name of the reset storage method on the server
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*----------------------------------------------------------------------------*/
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static const std::string resetStorageMethodName = "locstor.resetStorage";
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/*------------------------------------------------------------------------------
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* The name of the list of audio clips parameter returned (ignored here)
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*----------------------------------------------------------------------------*/
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static const std::string resetStorageAudioClipResultParamName = "audioclips";
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/*------------------------------------------------------------------------------
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* The name of the list of playlists parameter returned (ignored here)
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*----------------------------------------------------------------------------*/
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static const std::string resetStoragePlaylistResultParamName = "playlists";
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/* =============================================== local function prototypes */
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/* ============================================================= module code */
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/*------------------------------------------------------------------------------
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* Configure the web storage client.
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*----------------------------------------------------------------------------*/
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void
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WebAuthenticationClient :: configure(const xmlpp::Element & element)
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throw (std::invalid_argument)
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{
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if (element.get_name() != configElementNameStr) {
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std::string eMsg = "Bad configuration element ";
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eMsg += element.get_name();
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throw std::invalid_argument(eMsg);
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}
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const xmlpp::Attribute * attribute;
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// read the storage server location
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xmlpp::Node::NodeList childNodes
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= element.get_children(locationConfigElementName);
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xmlpp::Node::NodeList::iterator it = childNodes.begin();
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if (it == childNodes.end()) {
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std::string eMsg = "missing ";
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eMsg += locationConfigElementName;
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eMsg += " XML element";
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throw std::invalid_argument(eMsg);
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}
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const xmlpp::Element * locationConfigElement
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= dynamic_cast<const xmlpp::Element*> (*it);
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if (!(attribute = locationConfigElement
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->get_attribute(locationServerAttrName))) {
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std::string eMsg = "Missing attribute ";
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eMsg += locationServerAttrName;
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throw std::invalid_argument(eMsg);
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}
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storageServerName = attribute->get_value();
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if (!(attribute = locationConfigElement
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->get_attribute(locationPortAttrName))) {
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std::string eMsg = "Missing attribute ";
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eMsg += locationPortAttrName;
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throw std::invalid_argument(eMsg);
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}
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std::stringstream storageServerPortValue(attribute->get_value());
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storageServerPortValue >> storageServerPort;
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if (!(attribute = locationConfigElement
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->get_attribute(locationPathAttrName))) {
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std::string eMsg = "Missing attribute ";
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eMsg += locationPathAttrName;
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throw std::invalid_argument(eMsg);
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}
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storageServerPath = attribute->get_value();
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++it;
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if (it != childNodes.end()) {
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std::string eMsg = "more than one ";
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eMsg += locationConfigElementName;
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eMsg += " XML element";
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throw std::invalid_argument(eMsg);
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}
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}
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/*------------------------------------------------------------------------------
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* Return the version string of the test storage.
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*----------------------------------------------------------------------------*/
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Ptr<const Glib::ustring>::Ref
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WebAuthenticationClient :: getVersion(void)
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throw (Core::XmlRpcException)
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{
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XmlRpcValue parameters;
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XmlRpcValue result;
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XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
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storageServerPath.c_str(), false);
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parameters.clear();
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// add a dummy parameter, as this is the only way to enforce parameters
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// to be of XML-RPC type struct
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parameters["dummy"] = 0;
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result.clear();
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if (!xmlRpcClient.execute(getVersionMethodName.c_str(),
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parameters, result)) {
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xmlRpcClient.close();
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std::string eMsg = "cannot execute XML-RPC method '";
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eMsg += getVersionMethodName;
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eMsg += "'";
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throw XmlRpcCommunicationException(eMsg);
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}
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xmlRpcClient.close();
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if (xmlRpcClient.isFault()) {
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std::stringstream eMsg;
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eMsg << "XML-RPC method '"
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<< getVersionMethodName
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<< "' returned error message:\n"
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<< result;
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throw Core::XmlRpcMethodFaultException(eMsg.str());
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}
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if (!result.hasMember(getVersionResultParamName)
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|| result[getVersionResultParamName].getType()
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!= XmlRpcValue::TypeString) {
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std::stringstream eMsg;
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eMsg << "XML-RPC method '"
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<< getVersionMethodName
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<< "' returned unexpected value:\n"
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<< result;
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throw XmlRpcMethodResponseException(eMsg.str());
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}
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Ptr<Glib::ustring>::Ref version(new Glib::ustring(
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result[getVersionResultParamName]));
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xmlRpcClient.close();
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return version;
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}
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/*------------------------------------------------------------------------------
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* Login to the authentication server.
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*----------------------------------------------------------------------------*/
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Ptr<SessionId>::Ref
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WebAuthenticationClient :: login(const std::string & login,
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const std::string & password)
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throw (XmlRpcException)
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{
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XmlRpcValue parameters;
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XmlRpcValue result;
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Ptr<SessionId>::Ref sessionId;
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XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
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storageServerPath.c_str(), false);
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parameters.clear();
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parameters[loginParamName] = login;
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parameters[passwordParamName] = password;
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result.clear();
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if (!xmlRpcClient.execute(loginMethodName.c_str(), parameters, result)) {
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xmlRpcClient.close();
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throw Authentication::XmlRpcCommunicationException("Login failed.");
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}
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xmlRpcClient.close();
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if (xmlRpcClient.isFault()) {
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std::stringstream eMsg;
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eMsg << "Login method returned fault response:\n"
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<< result;
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throw Core::XmlRpcMethodFaultException(eMsg.str());
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}
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if (! result.hasMember(outputSessionIdParamName)) {
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std::stringstream eMsg;
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eMsg << "Login method returned unexpected response:\n"
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<< result;
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throw Core::XmlRpcMethodResponseException(eMsg.str());
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}
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if (result[outputSessionIdParamName].getType() != XmlRpcValue::TypeString) {
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std::stringstream eMsg;
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eMsg << "Login method returned unexpected response:\n"
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<< result;
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throw Core::XmlRpcMethodResponseException(eMsg.str());
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}
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sessionId.reset(new SessionId(result[outputSessionIdParamName]));
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return sessionId;
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}
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/*------------------------------------------------------------------------------
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* Logout from the authentication server.
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*----------------------------------------------------------------------------*/
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void
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WebAuthenticationClient :: logout(Ptr<SessionId>::Ref sessionId)
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throw (XmlRpcException)
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{
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if (!sessionId) {
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throw Core::XmlRpcInvalidArgumentException("Missing session ID.");
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}
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XmlRpcValue parameters;
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XmlRpcValue result;
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XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
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storageServerPath.c_str(), false);
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parameters.clear();
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parameters[inputSessionIdParamName] = sessionId->getId();
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result.clear();
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if (!xmlRpcClient.execute(logoutMethodName.c_str(), parameters, result)) {
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xmlRpcClient.close();
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throw Core::XmlRpcCommunicationException("Logout failed.");
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}
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xmlRpcClient.close();
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if (xmlRpcClient.isFault()) {
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std::stringstream eMsg;
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eMsg << "Logout method returned fault response:\n"
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<< result;
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throw Core::XmlRpcMethodFaultException(eMsg.str());
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}
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if (! result.hasMember(statusParamName)
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|| result[statusParamName].getType() != XmlRpcValue::TypeBoolean
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|| ! bool(result[statusParamName])) {
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std::stringstream eMsg;
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eMsg << "Logout method returned unexpected response:\n"
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<< result;
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throw Core::XmlRpcMethodResponseException(eMsg.str());
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}
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}
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/*------------------------------------------------------------------------------
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* Load a `user preferences' item from the server.
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*----------------------------------------------------------------------------*/
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Ptr<Glib::ustring>::Ref
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WebAuthenticationClient :: loadPreferencesItem(
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Ptr<SessionId>::Ref sessionId,
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const Glib::ustring & key)
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throw (XmlRpcException,
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std::invalid_argument)
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{
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if (!sessionId) {
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throw Core::XmlRpcInvalidArgumentException("Missing session ID.");
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}
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XmlRpcValue parameters;
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XmlRpcValue result;
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XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
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storageServerPath.c_str(), false);
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parameters.clear();
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parameters[preferencesSessionIdParamName] = sessionId->getId();
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parameters[preferencesKeyParamName] = std::string(key);
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result.clear();
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if (!xmlRpcClient.execute(loadPreferencesMethodName.c_str(),
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parameters, result)) {
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xmlRpcClient.close();
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throw Core::XmlRpcCommunicationException(
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"Could not execute XML-RPC method.");
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}
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xmlRpcClient.close();
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if (xmlRpcClient.isFault()) {
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std::stringstream eMsg;
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eMsg << "XML-RPC method "
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<< loadPreferencesMethodName
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<< " returned fault response:\n"
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<< result;
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if (result.hasMember(faultCodeParamName)
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&& result[faultCodeParamName].getType()
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== XmlRpcValue::TypeInt
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&& int(result[faultCodeParamName])
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== invalidPreferenceKeyFaultCode) {
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throw std::invalid_argument(eMsg.str());
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} else {
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throw Core::XmlRpcMethodFaultException(eMsg.str());
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}
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}
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if (! result.hasMember(preferencesValueParamName)
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|| result[preferencesValueParamName].getType()
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!= XmlRpcValue::TypeString) {
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std::stringstream eMsg;
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eMsg << "XML-RPC method "
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<< loadPreferencesMethodName
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<< " returned unexpected response:\n"
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<< result;
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throw Core::XmlRpcMethodResponseException(eMsg.str());
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}
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Ptr<Glib::ustring>::Ref value(new Glib::ustring(std::string(
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result[preferencesValueParamName] )));
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return value;
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}
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/*------------------------------------------------------------------------------
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* Store a `user preferences' item on the server.
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*----------------------------------------------------------------------------*/
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void
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WebAuthenticationClient :: savePreferencesItem(
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Ptr<SessionId>::Ref sessionId,
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const Glib::ustring & key,
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Ptr<const Glib::ustring>::Ref value)
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throw (XmlRpcException)
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{
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if (!sessionId) {
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throw Core::XmlRpcInvalidArgumentException("Missing session ID.");
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}
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if (!value) {
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throw Core::XmlRpcInvalidArgumentException("Missing value argument.");
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}
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XmlRpcValue parameters;
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XmlRpcValue result;
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XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
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storageServerPath.c_str(), false);
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parameters.clear();
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parameters[preferencesSessionIdParamName] = sessionId->getId();
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parameters[preferencesKeyParamName] = std::string(key);
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parameters[preferencesValueParamName] = std::string(*value);
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result.clear();
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if (!xmlRpcClient.execute(savePreferencesMethodName.c_str(),
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parameters, result)) {
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xmlRpcClient.close();
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throw Core::XmlRpcCommunicationException(
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"Could not execute XML-RPC method.");
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}
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xmlRpcClient.close();
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if (xmlRpcClient.isFault()) {
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std::stringstream eMsg;
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eMsg << "XML-RPC method "
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<< savePreferencesMethodName
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<< " returned fault response:\n"
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<< result;
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throw Core::XmlRpcMethodFaultException(eMsg.str());
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}
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if (! result.hasMember(preferencesStatusParamName)
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|| result[preferencesStatusParamName].getType()
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!= XmlRpcValue::TypeBoolean
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|| ! bool(result[preferencesStatusParamName])) {
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std::stringstream eMsg;
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eMsg << "XML-RPC method "
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<< savePreferencesMethodName
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<< " returned unexpected response:\n"
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<< result;
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throw Core::XmlRpcMethodResponseException(eMsg.str());
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}
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}
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/*------------------------------------------------------------------------------
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* Delete a `user preferences' item from the server.
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*----------------------------------------------------------------------------*/
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void
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WebAuthenticationClient :: deletePreferencesItem(
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Ptr<SessionId>::Ref sessionId,
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const Glib::ustring & key)
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throw (XmlRpcException)
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{
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if (!sessionId) {
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throw Core::XmlRpcInvalidArgumentException("Missing session ID.");
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}
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XmlRpcValue parameters;
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XmlRpcValue result;
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XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
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|
storageServerPath.c_str(), false);
|
|
|
|
parameters.clear();
|
|
parameters[preferencesSessionIdParamName] = sessionId->getId();
|
|
parameters[preferencesKeyParamName] = std::string(key);
|
|
|
|
result.clear();
|
|
if (!xmlRpcClient.execute(deletePreferencesMethodName.c_str(),
|
|
parameters, result)) {
|
|
xmlRpcClient.close();
|
|
throw Core::XmlRpcCommunicationException(
|
|
"Could not execute XML-RPC method.");
|
|
}
|
|
xmlRpcClient.close();
|
|
|
|
if (xmlRpcClient.isFault()) {
|
|
std::stringstream eMsg;
|
|
eMsg << "XML-RPC method "
|
|
<< deletePreferencesMethodName
|
|
<< " returned fault response:\n"
|
|
<< result;
|
|
throw Core::XmlRpcMethodFaultException(eMsg.str());
|
|
}
|
|
|
|
if (! result.hasMember(preferencesStatusParamName)
|
|
|| result[preferencesStatusParamName].getType()
|
|
!= XmlRpcValue::TypeBoolean
|
|
|| ! bool(result[preferencesStatusParamName])) {
|
|
std::stringstream eMsg;
|
|
eMsg << "XML-RPC method "
|
|
<< deletePreferencesMethodName
|
|
<< " returned unexpected response:\n"
|
|
<< result;
|
|
throw Core::XmlRpcMethodResponseException(eMsg.str());
|
|
}
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------------------
|
|
* Reset the list of preferences to its initial (empty) state.
|
|
*----------------------------------------------------------------------------*/
|
|
void
|
|
WebAuthenticationClient :: reset(void)
|
|
throw (Core::XmlRpcException)
|
|
{
|
|
XmlRpcValue parameters;
|
|
XmlRpcValue result;
|
|
|
|
XmlRpcClient xmlRpcClient(storageServerName.c_str(), storageServerPort,
|
|
storageServerPath.c_str(), false);
|
|
|
|
parameters.clear();
|
|
parameters["dummy_param"] = "dummy_value";
|
|
|
|
result.clear();
|
|
if (!xmlRpcClient.execute(resetStorageMethodName.c_str(),
|
|
parameters, result)) {
|
|
xmlRpcClient.close();
|
|
throw Core::XmlRpcCommunicationException(
|
|
"Could not execute XML-RPC method.");
|
|
}
|
|
xmlRpcClient.close();
|
|
|
|
if (xmlRpcClient.isFault()) {
|
|
std::stringstream eMsg;
|
|
eMsg << "XML-RPC method '"
|
|
<< resetStorageMethodName
|
|
<< "' returned error message:\n"
|
|
<< result;
|
|
throw Core::XmlRpcMethodFaultException(eMsg.str());
|
|
}
|
|
|
|
if (! result.hasMember(resetStorageAudioClipResultParamName)
|
|
|| result[resetStorageAudioClipResultParamName].getType()
|
|
!= XmlRpcValue::TypeArray
|
|
|| ! result.hasMember(resetStoragePlaylistResultParamName)
|
|
|| result[resetStoragePlaylistResultParamName].getType()
|
|
!= XmlRpcValue::TypeArray) {
|
|
std::stringstream eMsg;
|
|
eMsg << "XML-RPC method '"
|
|
<< resetStorageMethodName
|
|
<< "' returned unexpected value:\n"
|
|
<< result;
|
|
throw XmlRpcMethodResponseException(eMsg.str());
|
|
}
|
|
}
|
|
|