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winix/winixd/core/system.h

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8.0 KiB

/*
* This file is a part of Winix
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2010-2018, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef headerfile_winix_core_system
#define headerfile_winix_core_system
#include <ctime>
#include "job.h"
#include "dirs.h"
#include "mounts.h"
#include "db/db.h"
#include "request.h"
#include "config.h"
#include "crypt.h"
#include "users.h"
#include "groups.h"
#include "rebus.h"
#include "loadavg.h"
#include "synchro.h"
#include "image.h"
#include "threadmanager.h"
#include "notify/notify.h"
#include "timezones.h"
namespace Winix
{
class Functions;
class SessionManager;
// file system
class System : public WinixModelDeprecated
{
public:
// contains current directories tree
Dirs dirs;
// mount points
Mounts mounts;
// users
Users users;
// groups
Groups groups;
// rebus (captcha)
Rebus rebus;
// load averages
LoadAvg load_avg;
// notifications (by emails)
Notify notify;
// images (resizing, generating thumbnails)
Image image;
// the time when the winix starts
time_t system_start;
// cryptography and hashes
Crypt crypt;
// thread management
ThreadManager thread_manager;
// jobs
Job job;
// time zones read from etc/time_zones.conf
// when winix starts
TimeZones time_zones;
using WinixModelDeprecated::get_model_connector;
void SetCur(Cur * pcur);
//void SetConfig(Config * pconfig);
void SetDb(Db * pdb);
//void SetSynchro(Synchro * psynchro);
void SetFunctions(Functions * pfunctions);
void SetSessionManager(SessionManager * sm);
void set_dependency(WinixModelDeprecated * winix_model);
void Init();
void AddParams(const ParamTab & param_tab, std::wstring & str, bool clear_str = true);
bool IsSSLRequired(bool try_to_use_ssl);
bool IsSSLRequired();
void PutUrlProto(bool can_use_ssl, std::wstring & str, bool clear_str = true);
void PutUrlProto(bool can_use_ssl, pt::TextStream & str, bool clear_stream = true);
void PutUrlProto(std::wstring & str, bool clear_str = true);
void PutUrlProto(pt::TextStream & str, bool clear_stream = true);
void RedirectTo(const Item & item, const wchar_t * postfix = 0, bool use_reqtype = true);
void RedirectTo(long item_id, const wchar_t * postfix = 0, bool use_reqtype = true);
void RedirectTo(const wchar_t * url, bool use_reqtype = true);
void RedirectTo(const std::wstring & url, bool use_reqtype = true);
void RedirectWithFunctionAndParamsTo(const wchar_t * url);
void RedirectWithFunctionAndParamsTo(const std::wstring & url);
void RedirectToLastDir(const wchar_t * postfix = 0, bool use_reqtype = true);
void RedirectToLastItem(const wchar_t * postfix = 0, bool use_reqtype = true); // redirect to an item if exists or to the last directory
void RedirectToLastFunction(const wchar_t * postfix = 0, bool use_reqtype = true);
bool CanChangeUser(const Item & item, long new_user_id);
bool CanChangeGroup(const Item & item, long new_group_id);
bool CanChangePrivileges(const Item & item, int new_priv);
bool HasReadAccess(const Item & item);
bool HasWriteAccess(const Item & item);
bool HasReadWriteAccess(const Item & item);
bool HasReadExecAccess(const Item & item);
bool HasReadExecAccessToPath(long dir_id);
bool HasReadExecAccessToPath(const std::vector<Item*> & dir_tab);
bool DirsHaveReadExecPerm();
void CheckAccessToItems(std::vector<Item> & item_tab);
void CheckWriteAccessToItems(std::vector<Item> & item_tab);
/*
this method checks the sticky bit and write permissions
it returns true if we can remove/rename an item for the given child_item_user_id user id
*/
bool CanRemoveRenameChild(const Item & dir, long child_item_user_id);
int NewFilePrivileges();
int NewDirPrivileges();
bool CanUseHtml(long user_id);
bool CanUseBBCode(long user_id);
bool CanUseOther(long user_id);
bool IsSuperUser(long user_id);
bool IsMemberOfGroup(long user_id, const wchar_t * group_name);
// creating item.file_path and item.file_fs (the mountpoint where the item is located)
bool CreateNewFile(Item & item);
bool MakeFilePath(const Item & item, std::wstring & path, bool thumb = false, bool create_dir = false, int chmod = 0755, int group = -1);
bool MakeRelativeFilePath(const Item & item, const std::wstring & path_prefix, std::wstring & path, bool thumb = false);
bool MakePath(const Item & item, std::wstring & path, bool clear_path = true);
bool AddFile(Item & item, int notify_code = 0, bool call_plugins = true);
bool EditFile(Item & item, bool with_url = true, int notify_code = 0, bool call_plugins = true);
time_t ToLocal(time_t utc_time);
pt::Date ToLocal(const pt::Date & utc_date);
time_t ToUTC(time_t local_time);
pt::Date ToUTC(const pt::Date & local_date);
int FollowLink(const std::vector<Item*> & current_dir_tab, const std::wstring & link_to,
std::vector<Item*> & out_dir_tab, Item & out_item);
int FollowAllLinks(const std::vector<Item*> & current_dir_tab, const std::wstring & link_to,
std::vector<Item*> & out_dir_tab, Item & out_item,
bool follow_dir_default = false, bool stop_on_link_redirect = false, bool check_access = true);
// starting from root dir
int FollowAllLinks(const std::wstring & link_to,
std::vector<Item*> & out_dir_tab, Item & out_item,
bool follow_dir_default = false, bool stop_on_link_redirect = false, bool check_access = true);
// using cur->request->dir_tab and cur->request->item
bool FollowAllLinks(const std::wstring & link_to,
bool follow_dir_default = false, bool stop_on_link_redirect = false, bool check_access = true);
bool AddCommonFileToVar(const wchar_t * file_path, const wchar_t * url, const wchar_t * mime_type = nullptr, bool overwrite_existing = true);
// reloading time zones
void ReadTimeZones();
void CreateItemLink(long parent_id, const std::wstring & url, const std::wstring & subdomain,
std::wstring & link, bool clear_str = true);
void CreateItemLink(const Item & item, std::wstring & link, bool clear_str = true);
private:
Cur * cur;
Db * db;
//Config * config;
//Synchro * synchro;
Functions * functions;
SessionManager * session_manager;
Item item_temp;
std::wstring link_to_temp, name_temp;
std::wstring file_content, file_name;
Item file_content_item;
// for FollowAllLinks
std::vector<Item*> temp_follow_dir_tab;
std::vector<Item*> root_follow_dir_tab;
Item temp_follow_item;
int NewPrivileges(int creation_mask);
bool CreateNewFileSimpleFs(Item & item);
bool CreateNewFileHashFs(Item & item);
bool FollowAllLinksDirFound(std::vector<Item*> & out_dir_tab,
bool follow_dir_default, bool stop_on_link_redirect, bool check_access);
bool FollowAllLinksFileOrSymlinkFound(std::vector<Item*> & out_dir_tab, Item & out_item,
bool stop_on_link_redirect, bool check_access);
};
} // namespace Winix
#endif