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/*
Copyright (C) 2010 Mataes
This is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this file; see the file license.txt. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "Common.h"
int CalculateModuleHash(const TCHAR* tszFileName, char* dest);
static BYTE IsPluginDisabled(const char *filename)
{
return DBGetContactSettingByte(NULL, "PluginDisable", filename, 0);
}
static bool Exists(LPCTSTR strName)
{
return GetFileAttributes(strName) != INVALID_FILE_ATTRIBUTES;
}
/////////////////////////////////////////////////////////////////////////////////////////
struct ServListEntry
{
~ServListEntry()
{ mir_free(m_name);
}
TCHAR *m_name, *m_searchName;
char m_szHash[32+1];
};
static int CompareHashes(const ServListEntry* p1, const ServListEntry* p2)
{
return _tcscmp(p1->m_searchName, p2->m_searchName);
}
typedef OBJLIST<ServListEntry> SERVLIST;
static void ScanFolder(const TCHAR* tszFolder, const TCHAR* tszBaseUrl, SERVLIST& hashes, OBJLIST<FILEINFO>* UpdateFiles)
{
// skip updater's own folder
if ( !_tcsicmp(tszFolder, tszRoot))
return;
TCHAR tszMask[MAX_PATH];
mir_sntprintf(tszMask, SIZEOF(tszMask), _T("%s\\*"), tszFolder);
WIN32_FIND_DATA ffd;
HANDLE hFind = FindFirstFile(tszMask, &ffd);
if (hFind == INVALID_HANDLE_VALUE)
return;
do {
if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
if ( !_tcscmp(ffd.cFileName, _T(".")) || !_tcscmp(ffd.cFileName, _T("..")))
continue;
if ( !_tcsicmp(ffd.cFileName, _T("Profiles")))
continue;
mir_sntprintf(tszMask, SIZEOF(tszMask), _T("%s\\%s"), tszFolder, ffd.cFileName);
ScanFolder(tszMask, tszBaseUrl, hashes, UpdateFiles);
continue;
}
TCHAR *pExt = _tcsrchr(ffd.cFileName, '.');
if (pExt == NULL) continue;
if ( _tcsicmp(pExt, _T(".dll")) && _tcsicmp(pExt, _T(".exe")))
continue;
// Read version info
TCHAR key[MAX_PATH];
_tcscpy(key, ffd.cFileName);
_tcslwr(key);
ServListEntry tmp = {NULL, key};
ServListEntry* item = hashes.find(&tmp);
if (item == NULL)
continue;
size_t cbLenOrig = _tcslen(item->m_name);
size_t cbLen = (size_t)mir_sntprintf(tszMask, SIZEOF(tszMask), _T("%s\\%s"), tszFolder, ffd.cFileName);
if (cbLenOrig > cbLen) // wtf?
continue;
for (TCHAR *p = _tcschr(tszMask, '\\'); p != NULL; p = _tcschr(p+1, '\\'))
*p = '/';
if ( _tcsicmp(tszMask + cbLen - cbLenOrig, item->m_name)) // now verify the rest
continue;
char szMyHash[33];
CalculateModuleHash(tszMask, szMyHash);
// Compare versions
if ( strcmp(szMyHash, item->m_szHash)) { // Yeah, we've got new version.
FILEINFO* FileInfo = new FILEINFO;
strncpy(FileInfo->newhash, item->m_szHash, SIZEOF(FileInfo->newhash));
strncpy(FileInfo->curhash, szMyHash, SIZEOF(FileInfo->newhash));
_tcscpy(FileInfo->tszDescr, ffd.cFileName);
*pExt = 0;
mir_sntprintf(FileInfo->File.tszDiskPath, SIZEOF(FileInfo->File.tszDiskPath), _T("%s\\Temp\\%s.zip"), tszRoot, ffd.cFileName);
mir_sntprintf(FileInfo->File.tszDownloadURL, SIZEOF(FileInfo->File.tszDownloadURL), _T("%s/%s"), tszBaseUrl, item->m_name);
if ((pExt = _tcsrchr(FileInfo->File.tszDownloadURL, '.')) != NULL)
_tcscpy(pExt, _T(".zip"));
UpdateFiles->insert(FileInfo);
} // end compare versions
}
while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
}
static void __stdcall LaunchDialog(void* param)
{
CreateDialogParam(hInst, MAKEINTRESOURCE(IDD_UPDATE), GetDesktopWindow(), DlgUpdate, (LPARAM)param);
}
static void CheckUpdates(void *)
{
char szKey[64] = {0};
DBVARIANT dbVar = {0};
if (!Exists(tszRoot))
CreateDirectoryTreeT(tszRoot);
// Load files info
if (DBGetContactSettingTString(NULL, MODNAME, "UpdateURL", &dbVar)) { // URL is not set
DBWriteContactSettingTString(NULL, MODNAME, "UpdateURL", _T(DEFAULT_UPDATE_URL));
DBGetContactSettingTString(NULL, MODNAME, "UpdateURL", &dbVar);
}
TCHAR* tszBaseUrl = NEWTSTR_ALLOCA(dbVar.ptszVal);
DBFreeVariant(&dbVar);
// Download version info
ShowPopup(NULL, TranslateT("Plugin Updater"), TranslateT("Downloading version info..."), 4, 0);
FILEURL pFileUrl;
mir_sntprintf(pFileUrl.tszDownloadURL, SIZEOF(pFileUrl.tszDownloadURL), _T("%s/hashes.zip"), tszBaseUrl);
mir_sntprintf(pFileUrl.tszDiskPath, SIZEOF(pFileUrl.tszDiskPath), _T("%s\\hashes.zip"), tszRoot);
if (!DownloadFile(pFileUrl.tszDownloadURL, pFileUrl.tszDiskPath)) {
ShowPopup(0, LPGENT("Plugin Updater"), LPGENT("An error occured while downloading the update."), 1, 0);
CheckThread = NULL;
return;
}
unzip(pFileUrl.tszDiskPath, tszRoot, tszRoot);
DeleteFile(pFileUrl.tszDiskPath);
TCHAR tszTmpIni[MAX_PATH] = {0};
mir_sntprintf(tszTmpIni, SIZEOF(tszTmpIni), _T("%s\\hashes.txt"), tszRoot);
FILE* fp = _tfopen(tszTmpIni, _T("r"));
if (!fp)
return;
SERVLIST hashes(50, CompareHashes);
char str[200];
while(fgets(str, SIZEOF(str), fp) != NULL) {
rtrim(str);
char* p = strchr(str, ' ');
if (p == NULL)
continue;
*p++ = 0;
if ( !opts.bUpdateIcons && !_strnicmp(str, "icons\\", 6))
continue;
ServListEntry* newItem = new ServListEntry;
_strlwr(p);
strncpy(newItem->m_szHash, p, sizeof(newItem->m_szHash));
for (p = strchr(str, '\\'); p != NULL; p = strchr(p+1, '\\'))
*p = '/';
newItem->m_name = mir_a2t(str);
TCHAR* szName = _tcsrchr(newItem->m_name, '/');
newItem->m_searchName = (szName == NULL) ? newItem->m_name : szName+1;
_tcslwr(newItem->m_searchName);
hashes.insert(newItem);
}
fclose(fp);
DeleteFile(tszTmpIni);
FILELIST *UpdateFiles = new FILELIST(20);
TCHAR *dirname = Utils_ReplaceVarsT(_T("%miranda_path%"));
ScanFolder(dirname, tszBaseUrl, hashes, UpdateFiles);
mir_free(dirname);
// Show dialog
if (UpdateFiles->getCount() == 0) {
if ( !opts.bSilent)
ShowPopup(0, LPGENT("Plugin Updater"), LPGENT("No updates found."), 2, 0);
}
else CallFunctionAsync(LaunchDialog, UpdateFiles);
CheckThread = NULL;
}
void DoCheck(int iFlag)
{
if (CheckThread)
ShowPopup(0, LPGENT("Plugin Updater"), LPGENT("Update checking already started!"), 2, 0);
else if (hwndDialog) {
ShowWindow(hwndDialog, SW_SHOW);
SetForegroundWindow(hwndDialog);
SetFocus(hwndDialog);
}
else if (iFlag) {
CheckThread = mir_forkthread(CheckUpdates, 0);
DBWriteContactSettingDword(NULL, MODNAME, "LastUpdate", time(NULL));
}
}
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