151 lines
3.1 KiB
C++
Executable File
151 lines
3.1 KiB
C++
Executable File
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2010-2014, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#include "ln.h"
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#include "core/misc.h"
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#include "functions/functions.h"
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namespace Winix
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{
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namespace Fun
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{
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Ln::Ln()
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{
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fun.url = L"ln";
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}
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bool Ln::HasAccess()
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{
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return system->HasWriteAccess(*cur->request->dir_tab.back());
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}
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bool Ln::CreateSymbolicLink(long parent_id, const wchar_t * link_to, const wchar_t * url, bool link_redirect)
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{
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item.Clear(); // setting the date to now
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item.type = Item::symlink;
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item.parent_id = parent_id;
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item.url = url;
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item.link_to = link_to;
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item.link_redirect = static_cast<int>(link_redirect);
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item.privileges = system->NewFilePrivileges();
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functions->SetUser(item);
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functions->PrepareUrl(item);
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return db->AddItem(item) == WINIX_ERR_OK;
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}
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bool Ln::CreateSymbolicLink(long parent_id, const std::wstring & link_to, const std::wstring & url, bool link_redirect)
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{
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return CreateSymbolicLink(parent_id, link_to.c_str(), url.c_str(), link_redirect);
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}
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void Ln::CreateSymbolicLink(const std::wstring & link_to)
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{
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long parent_id = cur->request->dir_tab.back()->id;
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const std::wstring & url = cur->request->PostVar(L"url");
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bool link_redirect = cur->request->IsPostVar(L"makeredirect") ? 1 : 0;
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if( CreateSymbolicLink(parent_id, link_to, url, link_redirect) )
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log << log3 << "Ln: created a symbolic link to: " << link_to << logend;
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else
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cur->request->status = WINIX_ERR_PERMISSION_DENIED;
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}
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/*
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!! IMPROVE ME
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we need a better public interface
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instead of std::vector<Item*> may std::wstring for path?
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dirs - directory from we start looking for a destination file
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link_to - destination file (name or path - relative or not)
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url - suggested url name of the link
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*/
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bool Ln::CreateHardLink(const std::vector<Item*> & dirs, const std::wstring & link_to, const std::wstring & url)
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{
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if( dirs.empty() )
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return false;
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int res = system->FollowAllLinks(dirs, link_to, dir_tab, item, false, false);
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if( res == 0 )
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{
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log << log2 << "Ln: " << link_to << " is a directory (can't create a hard link)" << logend;
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return false;
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}
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else
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if( res == 1 )
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{
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item.type = Item::file;
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item.parent_id = dirs.back()->id;
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item.url = url;
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functions->PrepareUrl(item);
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return db->AddHardLink(item) == WINIX_ERR_OK;
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}
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return false;
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}
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void Ln::CreateHardLink(const std::wstring & link_to)
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{
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const std::vector<Item*> & dirs = cur->request->dir_tab;
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const std::wstring & url = cur->request->PostVar(L"url");
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if( CreateHardLink(dirs, link_to, url) )
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log << log3 << "Ln: created a hard link to: " << link_to << logend;
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else
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cur->request->status = WINIX_ERR_PERMISSION_DENIED;
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}
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// we do not use notifications for links
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void Ln::MakePost()
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{
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link_to = cur->request->PostVar(L"linkto");
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TrimWhite(link_to);
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if( link_to.empty() )
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return;
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int type = Toi(cur->request->PostVar(L"linktype"));
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if( type == 0 )
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CreateHardLink(link_to);
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else
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CreateSymbolicLink(link_to);
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if( cur->request->status == WINIX_ERR_OK )
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system->RedirectTo(item);
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}
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} // namespace
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} // namespace Winix
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