xbmc/utils/PasswordManager.h

   1 #pragma once
   2 /*
   3  *      Copyright (C) 2005-2008 Team XBMC
   4  *      http://www.xbmc.org
   5  *
   6  *  This Program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2, or (at your option)
   9  *  any later version.
  10  *
  11  *  This Program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with XBMC; see the file COPYING.  If not, write to
  18  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *  http://www.gnu.org/copyleft/gpl.html
  20  *
  21  */
  22
  23 #include "StdString.h"
  24 #include <map>
  25
  26 class CURL;
  27
  28 /*!
  29  \ingroup filesystem
  30  \brief Password Manager class for saving authentication details
  31
  32  Handles access to previously saved passwords for paths, translating normal URLs
  33  into authenticated URLs if the user has details about the username and password
  34  for a path previously saved. Should be accessed via CPasswordManager::GetInstance()
  35  */
  36 class CPasswordManager
  37 {
  38 public:
  39  /*!
  40    \brief The only way through which the global instance of the CPasswordManager should be accessed.
  41    \return the global instance.
  42    */
  43   static CPasswordManager &GetInstance();
  44
  45   /*!
  46    \brief Authenticate a URL by looking the URL up in the temporary and permanent caches
  47    First looks up based on host and share name.  If that fails, it will try a match purely
  48    on the host name (eg different shares on the same host with the same credentials)
  49    \param url a CURL to authenticate
  50    \return true if we have details in the cache, false otherwise.
  51    \sa CURL
  52    */
  53   bool AuthenticateURL(CURL &url);
  54
  55   /*!
  56    \brief Prompt for a username and password for the particular URL.
  57
  58    This routine pops up a dialog, requesting the user enter a username and password
  59    to access the given URL.  The user may optionally save these details.  If saved
  60    we write the details into the users profile.  If not saved, the details are temporarily
  61    stored so that further access no longer requires prompting for authentication.
  62
  63    \param url the URL to authenticate.
  64    \return true if the user entered details, false if the user cancelled the dialog.
  65    \sa CURL
  66    */
  67   bool PromptToAuthenticateURL(CURL &url);
  68
  69   /*!
  70    \brief Clear any previously cached passwords
  71    */
  72   void Clear();
  73
  74 private:
  75   // private construction, and no assignements; use the provided singleton methods
  76   CPasswordManager();
  77   CPasswordManager(const CPasswordManager&);
  78   CPasswordManager const & operator=(CPasswordManager const&);
  79   ~CPasswordManager() {};
  80
  81   void Load();
  82   void Save() const;
  83   CStdString GetLookupPath(const CURL &url) const;
  84   CStdString GetServerLookup(const CStdString &path) const;
  85
  86   std::map<CStdString, CStdString>  m_temporaryCache;
  87   std::map<CStdString, CStdString>  m_permanentCache;
  88   bool m_loaded;
  89 };