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/*
Miranda SmileyAdd Plugin
Copyright (C) 2007 - 2011 Boris Krasnovskiy
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation version 2
of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
HNETLIBUSER hNetlibUser;
static HANDLE hFolderCache = 0, hFolderPacks = 0;
struct QueueElem
{
CMStringW url;
CMStringW fname;
bool needext;
QueueElem(const CMStringW &purl, const CMStringW &pfname, bool ne) :
url(purl), fname(pfname), needext(ne)
{
}
};
static mir_cs csQueue;
static LIST<QueueElem> dlQueue(10);
static wchar_t g_wszCachePath[MAX_PATH];
static bool threadRunning;
static bool InternetDownloadFile(const char *szUrl, const wchar_t *szDest, HNETLIBCONN &hHttpDwnl)
{
int result = 0xBADBAD;
// initialize the netlib request
MHttpRequest nlhr(REQUEST_GET);
nlhr.flags = NLHRF_NODUMP | NLHRF_HTTP11 | NLHRF_PERSISTENT | NLHRF_REDIRECT;
nlhr.m_szUrl = szUrl;
nlhr.nlc = hHttpDwnl;
// change the header so the plugin is pretended to be IE 6 + WinXP
nlhr.AddHeader("User-Agent", NETLIB_USER_AGENT);
nlhr.AddHeader("Connection", "close");
CreatePathToFileW(szDest);
while (result == 0xBADBAD) {
// download the page
NLHR_PTR nlhrReply(Netlib_DownloadFile(hNetlibUser, &nlhr, szDest));
if (nlhrReply) {
hHttpDwnl = nlhrReply->nlc;
// if the recieved code is 200 OK
if (nlhrReply->resultCode == 200)
result = 0;
else
result = 1;
}
else {
// retry
hHttpDwnl = nullptr;
}
}
return result == 0;
}
void __cdecl SmileyDownloadThread(void*)
{
Thread_SetName("SmileyAdd: SmileyDownloadThread");
bool needext = false;
HNETLIBCONN hHttpDwnl = nullptr;
while (!Miranda_IsTerminated()) {
QueueElem *pItem = nullptr;
{
mir_cslock lck(csQueue);
if (dlQueue.getCount()) {
pItem = dlQueue[0];
dlQueue.remove(int(0));
}
}
if (pItem == nullptr) {
SleepEx(3000, TRUE);
continue;
}
if (_waccess(pItem->fname.c_str(), 0) != 0) {
InternetDownloadFile(_T2A(pItem->url.c_str()), pItem->fname, hHttpDwnl);
CMStringW fname(pItem->fname);
if (pItem->needext) {
fname += ProtoGetAvatarExtension(ProtoGetAvatarFileFormat(fname));
needext = true;
}
_wrename(pItem->fname.c_str(), fname.c_str());
}
delete pItem;
}
for (auto &it : dlQueue)
delete it;
dlQueue.destroy();
Netlib_CloseHandle(hHttpDwnl);
threadRunning = false;
if (!Miranda_IsTerminated()) {
if (needext)
CallServiceSync(MS_SMILEYADD_RELOAD, 0, 0);
else
NotifyEventHooks(g_hevOptionsChanged, 0, 0);
}
}
bool GetSmileyFile(CMStringW &url, const CMStringW &packstr)
{
uint8_t hash[MIR_SHA1_HASH_SIZE];
mir_sha1_hash((uint8_t*)url.c_str(), url.GetLength() * sizeof(wchar_t), hash);
wchar_t wszHash[MIR_SHA1_HASH_SIZE * 2 + 1];
bin2hexW(hash, sizeof(hash), wszHash);
CMStringW filename;
filename.AppendFormat(L"%s\\%s\\", g_wszCachePath, packstr.c_str());
int pathpos = filename.GetLength();
MRegexp16 urlsplit(L".*/(.*)");
urlsplit.match(url);
CMStringW urlFileName = urlsplit.getGroup(1);
int iExtIdx = urlFileName.ReverseFind('.');
if (iExtIdx != -1) {
CMStringW wszExt = urlFileName.Mid(iExtIdx);
if (ProtoGetAvatarFormat(wszExt) == PA_FORMAT_UNKNOWN)
iExtIdx = -1;
else
filename += urlFileName;
}
if (iExtIdx == -1) {
filename += wszHash;
filename += L".*";
}
_wfinddata_t c_file;
INT_PTR hFile = _wfindfirst(filename, &c_file);
if (hFile > -1) {
_findclose(hFile);
filename.Truncate(pathpos);
filename += c_file.name;
url = filename;
return false;
}
if (iExtIdx == -1) {
filename.Truncate(pathpos);
filename += wszHash;
filename += L".";
}
{
mir_cslock lck(csQueue);
dlQueue.insert(new QueueElem(url, filename, iExtIdx == -1));
}
if (!threadRunning) {
threadRunning = true;
mir_forkthread(SmileyDownloadThread);
}
url = filename;
return false;
}
int FolderChanged(WPARAM, LPARAM)
{
FoldersGetCustomPathW(hFolderCache, g_wszCachePath, MAX_PATH, L"");
FoldersGetCustomPathW(hFolderPacks, g_plugin.wszDefaultPath, MAX_PATH, L"%miranda_path%");
size_t len = mir_wstrlen(g_plugin.wszDefaultPath);
if (len && g_plugin.wszDefaultPath[len - 1] != '\\')
mir_wstrcpy(g_plugin.wszDefaultPath + len, L"\\");
return 0;
}
void DownloadInit(void)
{
NETLIBUSER nlu = {};
nlu.flags = NUF_OUTGOING | NUF_HTTPCONNS | NUF_NOHTTPSOPTION;
nlu.szSettingsModule = MODULENAME;
nlu.szDescriptiveName.a = MODULENAME;
hNetlibUser = Netlib_RegisterUser(&nlu);
hFolderPacks = FoldersRegisterCustomPathW(LPGEN("SmileyAdd"), LPGEN("Smiley packs' folder"), L"%miranda_path%");
if (hFolderPacks) {
hFolderCache = FoldersRegisterCustomPathW(LPGEN("SmileyAdd"), LPGEN("Smiley cache"), MIRANDA_USERDATAW L"\\SmileyCache");
FolderChanged(0, 0);
HookEvent(ME_FOLDERS_PATH_CHANGED, FolderChanged);
}
else {
wcsncpy_s(g_wszCachePath, VARSW(L"%miranda_userdata%\\SmileyCache"), _TRUNCATE);
wcsncpy_s(g_plugin.wszDefaultPath, VARSW(L"%miranda_path%\\"), _TRUNCATE);
}
}
void DownloadClose(void)
{
Netlib_CloseHandle(hNetlibUser);
}
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