winix/functions/ln.cpp

112 lines
2.3 KiB
C++
Executable File

/*
* This file is a part of Winix
* and is not publicly distributed
*
* Copyright (c) 2010, Tomasz Sowa
* All rights reserved.
*
*/
#include "ln.h"
#include "core/misc.h"
#include "functions/functions.h"
namespace Fun
{
Ln::Ln()
{
fun.url = L"ln";
}
bool Ln::HasAccess()
{
return system->HasWriteAccess(*cur->request->dir_tab.back());
}
void Ln::CreateSymbolicLink(const std::wstring & link_to)
{
item.Clear(); // setting the date to now
item.type = Item::symlink;
item.parent_id = cur->request->dir_tab.back()->id;
item.url = cur->request->PostVar(L"url");
item.link_to = link_to;
item.link_redirect = cur->request->IsPostVar(L"makeredirect") ? 1 : 0;
item.privileges = 0644; // !! tymczasowo, bedzie uzyte umask
functions->SetUser(item);
functions->PrepareUrl(item);
cur->request->status = db->AddItem(item);
if( cur->request->status == WINIX_ERR_OK )
log << log3 << "Ln: created a symbolic link to: " << link_to << logend;
}
void Ln::CreateHardLink(const std::wstring & link_to)
{
int res = system->FollowAllLinks(cur->request->dir_tab, link_to, dir_tab, item, false, false);
if( res == 0 )
{
log << log2 << "Ln: " << link_to << " is a directory (can't create a hard link)" << logend;
cur->request->status = WINIX_ERR_PERMISSION_DENIED;
}
else
if( res == 1 )
{
item.SetDateToNow();
item.type = Item::file;
item.parent_id = cur->request->dir_tab.back()->id;
item.url = cur->request->PostVar(L"url");
item.privileges = 0644; // !! tymczasowo, bedzie uzyte umask
functions->SetUser(item);
functions->PrepareUrl(item);
cur->request->status = db->AddHardLink(item);
if( cur->request->status == WINIX_ERR_OK )
log << log3 << "Ln: created a hard link to: " << link_to << logend;
}
else
if( res == 5 || res == 6 )
{
cur->request->status = WINIX_ERR_PERMISSION_DENIED;
}
else
{
cur->request->status = WINIX_ERR_NO_ITEM;
}
}
// we do not use notifications for links
void Ln::MakePost()
{
link_to = cur->request->PostVar(L"linkto");
TrimWhite(link_to);
if( link_to.empty() )
return;
int type = Toi(cur->request->PostVar(L"linktype"));
if( type == 0 )
CreateHardLink(link_to);
else
CreateSymbolicLink(link_to);
if( cur->request->status == WINIX_ERR_OK )
system->RedirectTo(item);
}
} // namespace