winix/functions/upload.cpp

316 lines
6.7 KiB
C++
Executable File

/*
* This file is a part of Winix
* and is not publicly distributed
*
* Copyright (c) 2008-2013, Tomasz Sowa
* All rights reserved.
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <cstdio>
#include <errno.h>
#include "upload.h"
#include "core/misc.h"
#include "core/plugin.h"
#include "functions/functions.h"
#include "templates/templates.h"
#include "utf8/utf8.h"
namespace Fun
{
Upload::Upload()
{
fun.url = L"upload";
}
void Upload::Init()
{
json_serializer.TreatAsTable(L"infospace");
json_serializer.TreatAsNumeric(L"size");
}
bool Upload::HasAccess(const Item & item)
{
// you can use 'upload' only in a directory
if( item.type != Item::dir )
return false;
if( config->upload_dir.empty() )
{
log << log1 << "Request: can't use upload function, upload_dir must be set in the config file" << logend;
return false;
}
if( cur->session->puser && cur->session->puser->super_user )
// super user can use upload everywhere
return true;
if( !system->HasWriteAccess(item) )
return false;
return true;
}
bool Upload::HasAccess()
{
if( cur->request->is_item || !HasAccess(*cur->request->dir_tab.back()) )
return false;
return true;
}
bool Upload::UploadSaveStaticFile(const Item & item, const std::wstring & tmp_filename)
{
if( !system->MakeFilePath(item, path, false, true, config->upload_dirs_chmod) )
{
cur->request->status = WINIX_ERR_PERMISSION_DENIED;
return false;
}
if( RenameFile(tmp_filename, path) )
{
log << log1 << "Upload: uploaded a new file: " << path << logend;
return true;
}
else
{
log << log1 << "Upload: can't move the tmp file from: " << tmp_filename << ", to: " << path << logend;
cur->request->status = WINIX_ERR_PERMISSION_DENIED;
return false;
}
}
void Upload::ResizeImage(Item & item)
{
Image::Scale scale = system->image.GetImageScale(item.parent_id);
system->image.Resize(item.id, scale.cx, scale.cy, scale.aspect_mode, scale.quality);
}
void Upload::CreateThumb(Item & item)
{
Image::Scale scale = system->image.GetThumbScale(item.parent_id);
system->image.CreateThumb(item.id, scale.cx, scale.cy, scale.aspect_mode, scale.quality);
}
void Upload::UploadFile(Item & item, const std::wstring & tmp_filename)
{
// we should add the file beforehand to get the proper item.id
cur->request->status = system->AddFile(item, 0, false);
if( cur->request->status == WINIX_ERR_OK )
{
if( system->CreateNewFile(item) )
{
if( UploadSaveStaticFile(item, tmp_filename) )
{
cur->request->status = db->EditFileById(item, item.id);
plugin.Call(WINIX_FILE_ADDED, &item);
if( item.file_type == WINIX_ITEM_FILETYPE_IMAGE )
{
if( config->image_resize )
ResizeImage(item);
if( config->create_thumb )
CreateThumb(item);
}
if( is_jquery_upload )
cur->request->item_tab.push_back(item);
}
else
{
db->DelItem(item);
}
}
}
}
bool Upload::FunUploadCheckAbuse()
{
if( !system->rebus.CheckRebus() )
{
cur->request->status = WINIX_ERR_INCORRECT_REBUS;
return false;
}
functions->CheckGetPostTimes(4);
if( cur->session->spam_score > 0 )
{
cur->request->status = WINIX_ERR_SPAM;
log << log1 << "Content: ignoring due to suspected spamming" << logend;
return false;
}
return true;
}
void Upload::UploadMulti()
{
cur->request->item.Clear(); // clearing and setting date
cur->request->item.parent_id = cur->request->dir_tab.back()->id;
cur->request->item.type = Item::file;
cur->request->item.privileges = system->NewFilePrivileges();
functions->SetUser(cur->request->item);
PostFileTab::iterator i = cur->request->post_file_tab.begin();
for( ; i != cur->request->post_file_tab.end() ; ++i)
{
const wchar_t * file_name = i->second.filename.c_str();
cur->request->item.subject = file_name;
cur->request->item.url = file_name;
cur->request->item.file_type = SelectFileType(file_name);
cur->request->item.file_size = i->second.file_size;
functions->PrepareUrl(cur->request->item);
UploadFile(cur->request->item, i->second.tmp_filename);
i->second.tmp_filename.clear();
}
if( is_jquery_upload )
CreateAnswer();
else
system->RedirectToLastDir();
}
void Upload::UploadSingle()
{
const std::wstring & new_subject = cur->request->PostVar(L"subject");
const std::wstring & new_url = cur->request->PostVar(L"url");
bool has_subject = !new_subject.empty();
bool has_url = !new_url.empty();
functions->ReadItem(cur->request->item, Item::file); // ReadItem() changes the url if it is empty
functions->SetUser(cur->request->item);
cur->request->item.privileges = system->NewFilePrivileges();
PostFile & post_file = cur->request->post_file_tab.begin()->second;
const wchar_t * file_name = post_file.filename.c_str();
cur->request->item.file_type = SelectFileType(file_name);
cur->request->item.file_size = post_file.file_size;
if( !has_subject )
cur->request->item.subject = file_name;
if( !has_url )
{
cur->request->item.url = file_name;
functions->PrepareUrl(cur->request->item);
}
UploadFile(cur->request->item, post_file.tmp_filename);
post_file.tmp_filename.clear();
if( is_jquery_upload )
CreateAnswer();
else
if( cur->request->status == WINIX_ERR_OK )
system->RedirectTo(cur->request->item, L"/cat");
}
void Upload::MakePost()
{
cur->request->item_tab.clear();
is_jquery_upload = cur->request->IsParam(L"jquery_upload");
if( cur->request->post_file_tab.empty() )
{
cur->request->status = WINIX_ERR_PERMISSION_DENIED;
return;
}
if( !FunUploadCheckAbuse() )
return;
if( cur->request->post_file_tab.size() > 1 )
UploadMulti();
else
UploadSingle();
}
void Upload::CreateAnswer()
{
Request & req = *cur->request;
req.info.name = L"infospace"; // 'infospace' will be serialized to an array
for(size_t i=0 ; i<req.item_tab.size() ; ++i)
{
PT::Space & file = req.info.AddSpace(L"");
file.Add(L"name", req.item_tab[i].url);
file.Add(L"size", req.item_tab[i].file_size);
std::wstring & link = file.Add(L"url", L"");
system->CreateItemLink(req.item_tab[i], link);
std::wstring & del_url = file.Add(L"delete_url", link);
del_url += L"/rm/jquery_upload";
file.Add(L"delete_type", L"POST");
if( req.item_tab[i].file_type == WINIX_ITEM_FILETYPE_IMAGE )
{
std::wstring & thumb = file.Add(L"thumbnail_url", link);
if( req.item_tab[i].has_thumb )
thumb += L"/-/thumb";
}
}
cur->request->return_json = true;
cur->request->return_info_only = true;
cur->request->info_serializer = &json_serializer;
}
void Upload::MakeGet()
{
if( cur->request->IsParam(L"jquery_upload") )
{
query.Clear();
query.WhereParentId(cur->request->dir_tab.back()->id);
query.WhereType(Item::file);
query.WhereFileType(WINIX_ITEM_FILETYPE_NONE, false);
db->GetItems(cur->request->item_tab, query);
CreateAnswer();
}
}
} // namespace