summaryrefslogtreecommitdiff
path: root/plugins/PluginUpdater/src/Scanner.cpp
blob: f1696738fdbf417ca7904b90c1217193a874e7b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
/*
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);
	}
	else {
		#ifdef WIN64
			if (_tcsstr(dbVar.ptszVal, _T("x32"))) {
				DBWriteContactSettingTString(NULL, MODNAME, "UpdateURL", _T(DEFAULT_UPDATE_URL));
				DBGetContactSettingTString(NULL, MODNAME, "UpdateURL", &dbVar);
			}
		#endif
	}
	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));
	}
}