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