320 lines
8.9 KiB
C
320 lines
8.9 KiB
C
/* HexChat
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* Copyright (c) 2010-2012 Berke Viktor.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <windows.h>
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#include <wininet.h>
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#include <glib.h>
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#include "hexchat-plugin.h"
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#define DEFAULT_DELAY 10 /* 10 seconds */
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#define DEFAULT_FREQ 360 /* 6 hours */
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static hexchat_plugin *ph; /* plugin handle */
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static char name[] = "Update Checker";
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static char desc[] = "Check for HexChat updates automatically";
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static char version[] = "4.0";
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static const char upd_help[] = "Update Checker Usage:\n /UPDCHK, check for HexChat updates\n /UPDCHK SET delay|freq, set startup delay or check frequency\n";
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static char*
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check_version ()
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{
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#if 0
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HINTERNET hINet, hFile;
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hINet = InternetOpen ("Update Checker", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
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if (!hINet)
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{
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return "Unknown";
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}
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hFile = InternetOpenUrl (hINet,
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"https://raw.github.com/hexchat/hexchat/master/win32/version.txt",
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NULL,
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0,
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INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_RELOAD,
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0);
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if (hFile)
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{
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static char buffer[1024];
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DWORD dwRead;
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while (InternetReadFile (hFile, buffer, 1023, &dwRead))
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{
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if (dwRead == 0)
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{
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break;
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}
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buffer[dwRead] = 0;
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}
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InternetCloseHandle (hFile);
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InternetCloseHandle (hINet);
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if (strlen (buffer) == 5)
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return buffer;
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else
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return "Unknown";
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}
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InternetCloseHandle (hINet);
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return "Unknown";
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#endif
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/* Google Code's messing up with requests, use HTTP/1.0 as suggested. More info:
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http://code.google.com/p/support/issues/detail?id=6095
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Of course it would be still too simple, coz IE will override settings, so
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you have to disable HTTP/1.1 manually and globally. More info:
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http://support.microsoft.com/kb/258425
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So this code's basically useless since disabling HTTP/1.1 will work with the
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above code too.
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Update: a Connection: close header seems to disable chunked encoding.
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*/
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HINTERNET hOpen, hConnect, hResource;
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hOpen = InternetOpen (TEXT ("Update Checker"),
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INTERNET_OPEN_TYPE_PRECONFIG,
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NULL,
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NULL,
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0);
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if (!hOpen)
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{
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return "Unknown";
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}
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hConnect = InternetConnect (hOpen,
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TEXT ("raw.github.com"),
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INTERNET_DEFAULT_HTTPS_PORT,
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NULL,
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NULL,
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INTERNET_SERVICE_HTTP,
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0,
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0);
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if (!hConnect)
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{
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InternetCloseHandle (hOpen);
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return "Unknown";
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}
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hResource = HttpOpenRequest (hConnect,
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TEXT ("GET"),
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TEXT ("/hexchat/hexchat/master/win32/version.txt"),
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TEXT ("HTTP/1.0"),
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NULL,
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NULL,
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INTERNET_FLAG_SECURE | INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_AUTH,
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0);
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if (!hResource)
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{
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InternetCloseHandle (hConnect);
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InternetCloseHandle (hOpen);
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return "Unknown";
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}
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else
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{
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static char buffer[1024];
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DWORD dwRead;
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HttpAddRequestHeaders (hResource, TEXT ("Connection: close\r\n"), -1L, HTTP_ADDREQ_FLAG_ADD); /* workaround for GC bug */
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HttpSendRequest (hResource, NULL, 0, NULL, 0);
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while (InternetReadFile (hResource, buffer, 1023, &dwRead))
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{
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if (dwRead == 0)
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{
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break;
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}
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buffer[dwRead] = 0;
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}
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InternetCloseHandle (hResource);
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InternetCloseHandle (hConnect);
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InternetCloseHandle (hOpen);
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return buffer;
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}
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}
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static int
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print_version (char *word[], char *word_eol[], void *userdata)
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{
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char *version;
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int prevbuf;
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int convbuf;
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if (!g_ascii_strcasecmp ("HELP", word[2]))
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{
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hexchat_printf (ph, upd_help);
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return HEXCHAT_EAT_HEXCHAT;
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}
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else if (!g_ascii_strcasecmp ("SET", word[2]))
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{
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if (!g_ascii_strcasecmp ("", word_eol[4]))
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{
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hexchat_printf (ph, "%s\tEnter a value!\n", name);
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return HEXCHAT_EAT_HEXCHAT;
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}
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if (!g_ascii_strcasecmp ("delay", word[3]))
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{
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convbuf = atoi (word[4]); /* don't use word_eol, numbers must not contain spaces */
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if (convbuf > 0 && convbuf < INT_MAX)
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{
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prevbuf = hexchat_pluginpref_get_int (ph, "delay");
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hexchat_pluginpref_set_int (ph, "delay", convbuf);
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hexchat_printf (ph, "%s\tUpdate check startup delay is set to %d seconds (from %d).\n", name, convbuf, prevbuf);
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}
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else
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{
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hexchat_printf (ph, "%s\tInvalid input!\n", name);
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}
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}
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else if (!g_ascii_strcasecmp ("freq", word[3]))
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{
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convbuf = atoi (word[4]); /* don't use word_eol, numbers must not contain spaces */
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if (convbuf > 0 && convbuf < INT_MAX)
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{
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prevbuf = hexchat_pluginpref_get_int (ph, "freq");
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hexchat_pluginpref_set_int (ph, "freq", convbuf);
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hexchat_printf (ph, "%s\tUpdate check frequency is set to %d minutes (from %d).\n", name, convbuf, prevbuf);
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}
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else
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{
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hexchat_printf (ph, "%s\tInvalid input!\n", name);
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}
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}
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else
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{
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hexchat_printf (ph, "%s\tInvalid variable name! Use 'delay' or 'freq'!\n", name);
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return HEXCHAT_EAT_HEXCHAT;
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}
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return HEXCHAT_EAT_HEXCHAT;
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}
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else if (!g_ascii_strcasecmp ("", word[2]))
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{
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version = check_version ();
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if (strcmp (version, hexchat_get_info (ph, "version")) == 0)
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{
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hexchat_printf (ph, "%s\tYou have the latest version of HexChat installed!\n", name);
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}
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else if (strcmp (version, "Unknown") == 0)
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{
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hexchat_printf (ph, "%s\tUnable to check for HexChat updates!\n", name);
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}
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else
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{
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#ifdef _WIN64 /* use this approach, the wProcessorArchitecture method always returns 0 (=x86) for some reason */
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hexchat_printf (ph, "%s\tA HexChat update is available! You can download it from here:\nhttps://github.com/downloads/hexchat/hexchat/HexChat%%20%s%%20x64.exe\n", name, version);
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#else
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hexchat_printf (ph, "%s\tA HexChat update is available! You can download it from here:\nhttps://github.com/downloads/hexchat/hexchat/HexChat%%20%s%%20x86.exe\n", name, version);
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#endif
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}
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return HEXCHAT_EAT_HEXCHAT;
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}
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else
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{
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hexchat_printf (ph, upd_help);
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return HEXCHAT_EAT_HEXCHAT;
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}
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}
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static int
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print_version_quiet (void *userdata)
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{
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char *version = check_version ();
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/* if it's not the current version AND not network error */
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if (!(strcmp (version, hexchat_get_info (ph, "version")) == 0) && !(strcmp (version, "Unknown") == 0))
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{
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#ifdef _WIN64 /* use this approach, the wProcessorArchitecture method always returns 0 (=x86) for plugins for some reason */
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hexchat_printf (ph, "%s\tA HexChat update is available! You can download it from here:\nhttps://github.com/downloads/hexchat/hexchat/HexChat%%20%s%%20x64.exe\n", name, version);
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#else
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hexchat_printf (ph, "%s\tA HexChat update is available! You can download it from here:\nhttps://github.com/downloads/hexchat/hexchat/HexChat%%20%s%%20x86.exe\n", name, version);
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#endif
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/* print update url once, then stop the timer */
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return 0;
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}
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/* keep checking */
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return 1;
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}
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static int
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delayed_check (void *userdata)
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{
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int freq = hexchat_pluginpref_get_int (ph, "freq");
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/* only start the timer if there's no update available during startup */
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if (print_version_quiet (NULL))
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{
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/* check for updates, every 6 hours by default */
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hexchat_hook_timer (ph, freq * 1000 * 60, print_version_quiet, NULL);
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}
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return 0; /* run delayed_check() only once */
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}
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int
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hexchat_plugin_init (hexchat_plugin *plugin_handle, char **plugin_name, char **plugin_desc, char **plugin_version, char *arg)
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{
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int delay;
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ph = plugin_handle;
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*plugin_name = name;
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*plugin_desc = desc;
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*plugin_version = version;
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/* these are required for the very first run */
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delay = hexchat_pluginpref_get_int (ph, "delay");
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if (delay == -1)
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{
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delay = DEFAULT_DELAY;
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hexchat_pluginpref_set_int (ph, "delay", DEFAULT_DELAY);
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}
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if (hexchat_pluginpref_get_int (ph, "freq") == -1)
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{
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hexchat_pluginpref_set_int (ph, "freq", DEFAULT_FREQ);
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}
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hexchat_hook_command (ph, "UPDCHK", HEXCHAT_PRI_NORM, print_version, upd_help, NULL);
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hexchat_hook_timer (ph, delay * 1000, delayed_check, NULL);
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hexchat_command (ph, "MENU -ietc\\download.png ADD \"Help/Check for Updates\" \"UPDCHK\"");
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hexchat_printf (ph, "%s plugin loaded\n", name);
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return 1; /* return 1 for success */
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}
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int
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hexchat_plugin_deinit (void)
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{
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hexchat_command (ph, "MENU DEL \"Help/Check for updates\"");
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hexchat_printf (ph, "%s plugin unloaded\n", name);
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return 1;
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}
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