$conf, $time;
$_uid = user_token_get_do();
empty($_uid) and user_token_clear(); // 退出登录
return $_uid;
}
// 用户
function user_token_get_do()
{
global $conf, $time, $ip, $useragent;
$token = param($conf['cookie_pre'] . 'token');
if (empty($token)) return FALSE;
$tokenkey = md5(xn_key());
$s = xn_decrypt($token, $tokenkey);
if (empty($s)) return FALSE;
$arr = explode("\t", $s);
if (count($arr) != 5) return FALSE;
list($_ip, $_time, $_uid, $_pwd, $ua_md5) = $arr;
if (array_value($conf, 'login_ip') && $ip != $_ip) return FALSE;
if (array_value($conf, 'login_ua') && md5($useragent) != $ua_md5) return FALSE;
$_user = user_read($_uid);
if (empty($_user)) return FALSE;
if (array_value($conf, 'login_only') && $_user['login_date'] != $_time) return FALSE;
// 密码是否被修改
if (md5($_user['password']) != $_pwd) return FALSE;
return $_uid;
}
// 设置 token,防止 sid 过期后被删除
function user_token_set($uid)
{
global $conf, $time;
if (empty($uid)) return '';
$token = user_token_gen($uid);
setcookie($conf['cookie_pre'] . 'token', $token, $time + 86400000, $conf['cookie_path'], $conf['cookie_domain'], '', TRUE);
return $token;
}
function user_token_clear()
{
global $conf, $time;
setcookie($conf['cookie_pre'] . 'token', '', $time - 8640000, $conf['cookie_path'], $conf['cookie_domain'], '', TRUE);
}
function user_token_gen($uid)
{
global $conf, $time, $ip, $useragent;
$key = 'user_token' . $uid;
static $cache = array();
if (isset($cache[$key])) return $cache[$key];
$user = user_read($uid);
$pwd = md5($user['password']);
$ua_md5 = md5($useragent);
$tokenkey = md5(xn_key());
$cache[$key] = xn_encrypt("$ip $time $uid $pwd $ua_md5", $tokenkey);
return $cache[$key];
}
// 前台登录验证
function user_login_check()
{
global $user;
empty($user) and http_location(url('user-login'));
}
// 获取用户来路
function user_http_referer()
{
global $conf;
$referer = param('referer'); // 优先从参数获取 | GET is priority
empty($referer) and $referer = array_value($_SERVER, 'HTTP_REFERER', '');
$referer = str_replace(array('\"', '"', '<', '>', ' ', '*', "\t", "\r", "\n"), '', $referer); // 干掉特殊字符 strip special chars
if (
!preg_match('#^(http|https)://[\w\-=/\.]+/[\w\-=.%\#?]*$#is', $referer)
|| FALSE !== strpos($referer, url('user-login'))
|| FALSE !== strpos($referer, url('user-logout'))
|| FALSE !== strpos($referer, url('user-create'))
|| FALSE !== strpos($referer, url('user-setpw'))
|| FALSE !== strpos($referer, url('user-resetpw_complete'))
) {
$referer = $conf['path'];
}
return $referer;
}
function user_auth_check($token)
{
global $time, $ip;
$auth = param(2);
$s = xn_decrypt($auth);
empty($s) and message(-1, lang('decrypt_failed'));
$arr = explode('-', $s);
count($arr) != 4 and message(-1, lang('encrypt_failed'));
list($_ip, $_time, $_uid, $_pwd) = $arr;
$_user = user_read($_uid);
empty($_user) and message(-1, lang('user_not_exists'));
$time - $_time > 3600 and message(-1, lang('link_has_expired'));
return $_user;
}
?>f (!empty($uidarr)) {
$uids = array();
$update = array();
foreach ($uidarr as $_uid => $n) {
$uids[] = $_uid;
$update[$_uid] = array('articles-' => $n);
'mysql' != $conf['cache']['type'] and cache_delete('user-' . $_uid);
}
user_big_update(array('uid' => $uids), $update);
}
!empty($operate_create) && function_exists('operate_big_insert') and operate_big_insert($operate_create);
return TRUE;
}
// 大数据量容易超时 删除用户时使用,删除主题 回复 栏目统计 附件 全站统计
function well_thread_delete_all_by_uid($uid)
{
// 用户主题数
$user = user_read_cache($uid);
set_time_limit(0);
// 删除所有回复
if ($user['comments']) {
$postist = comment_pid_find_by_uid($uid, 1, $user['comments'], FALSE);
$pidarr = array();
foreach ($postist as $val) {
$pidarr[] = $val['pid'];
}
unset($postist);
!empty($pidarr) and comment_delete_by_pids($pidarr);
}
if ($user['articles']) {
// 如果主题、附件和回复数量太大会超时
$tidlist = thread_tid_find_by_uid($uid, 1, $user['articles'], FALSE, 'tid', array('tid'));
$tidarr = array();
foreach ($tidlist as $val) {
$tidarr[] = $val['tid'];
}
unset($tidlist);
!empty($tidarr) and well_thread_delete_all($tidarr);
}
return TRUE;
}
// 搜索标题
function well_thread_find_by_keyword($keyword, $d = NULL)
{
if (empty($keyword)) return NULL;
$db = $_SERVER['db'];
$d = $d ? $d : $db;
if (!$d) return FALSE;
$threadlist = db_sql_find("SELECT * FROM `{$d->tablepre}website_thread` WHERE subject LIKE '%$keyword%' LIMIT 60;", 'tid', $d);
if ($threadlist) {
$threadlist = arrlist_multisort($threadlist, 'tid', FALSE);
foreach ($threadlist as &$thread) {
well_thread_format($thread);
// 关键词标色
//$thread['subject'] = comment_highlight_keyword($thread['subject'], $keyword);
}
}
return $threadlist;
}
// 查找 最后评论 lastpid
function well_thread_find_lastpid($tid)
{
$arr = comment_pid_read(array('tid' => $tid), array('pid' => -1), array('pid'));
$lastpid = empty($arr) ? 0 : $arr['pid'];
return $lastpid;
}
// 更新最后的 uid
function well_thread_update_last($tid)
{
if (empty($tid)) return FALSE;
$lastpid = well_thread_find_lastpid($tid);
if (empty($lastpid)) return FALSE;
$lastpost = comment_read($lastpid);
if (empty($lastpost)) return FALSE;
$r = well_thread_update($tid, array('lastuid' => $lastpost['uid']));
return $r;
}
function well_thread_maxid()
{
$n = db_maxid('website_thread', 'tid');
return $n;
}
// 主题状态 0:通过 1~9 审核:1待审核 10~19:10退稿 11逻辑删除
function well_thread_format(&$thread)
{
global $gid, $uid, $forumlist;
$conf = _SERVER('conf');
if (empty($thread)) return;
$thread['create_date_fmt'] = humandate($thread['create_date']);
$thread['last_date_fmt'] = humandate($thread['last_date']);
$thread['create_date_fmt_ymd'] = date('Y-m-d', $thread['create_date']);
$thread['last_date_fmt_ymd'] = date('Y-m-d', $thread['last_date']);
$user = user_read_cache($thread['uid']);
$onlinelist = online_user_list_cache();
$user['online_status'] = isset($onlinelist[$user['uid']]) ? 1 : 0;
$thread['username'] = $user['username'];
$thread['user_avatar_url'] = array_value($user, 'avatar_url');
$thread['user'] = user_safe_info($user);
unset($user);
$forum = array_value($forumlist, $thread['fid']);
$thread['forum_name'] = array_value($forum, 'name');
$thread['forum_url'] = array_value($forum, 'url');
if ($thread['last_date'] == $thread['create_date']) {
$thread['last_date_fmt'] = '';
$thread['lastuid'] = 0;
$thread['lastusername'] = '';
} else {
$lastuser = $thread['lastuid'] ? user_read_cache($thread['lastuid']) : array();
$thread['lastusername'] = $thread['lastuid'] ? $lastuser['username'] : lang('guest');
$thread['lastuser'] = $thread['lastuid'] ? user_safe_info($lastuser) : array();
unset($lastuser);
}
$thread['url'] = url('read-' . $thread['tid'], '', FALSE);
if ($conf['url_rewrite_on'] > 1) {
!empty($forum['well_alias']) and $thread['url'] = url(urlencode($forum['well_alias'])."-$thread[create_date]a$thread[tid]", '', FALSE);
} else {
$thread['url'] = url("read-$thread[create_date]a$thread[tid]", '', FALSE);
}
$thread['user_url'] = url('user-' . $thread['uid']);
$thread['sticky_class'] = '';
if ($thread['sticky'] > 0) {
if (1 == $thread['sticky']) {
$thread['sticky_class'] = 'success';
} elseif (2 == $thread['sticky']) {
$thread['sticky_class'] = 'warning';
} elseif (3 == $thread['sticky']) {
$thread['sticky_class'] = 'danger';
}
}
$nopic = view_path() . 'img/nopic.png';
if ($thread['icon']) {
$attach_dir_save_rule = array_value($conf, 'attach_dir_save_rule', 'Ym');
$day = date($attach_dir_save_rule, $thread['icon']);
$thread_format_icon_default = 1;
if (1 == $thread_format_icon_default) {
// 本地文件绝对路径
$destfile = $conf['upload_path'] . 'thumbnail/' . $day . '/' . $thread['uid'] . '_' . $thread['tid'] . '_' . $thread['icon'] . '.jpeg';
// 本地
$thread['icon_fmt'] = is_file($destfile) ? file_path($thread['attach_on']) . 'thumbnail/' . $day . '/' . $thread['uid'] . '_' . $thread['tid'] . '_' . $thread['icon'] . '.jpeg' : $nopic;
if (1 == $conf['attach_on'] && 1 == $thread['attach_on']) {
// 云储存
$thread['icon_fmt'] = file_path($thread['attach_on']) . 'thumbnail/' . $day . '/' . $thread['uid'] . '_' . $thread['tid'] . '_' . $thread['icon'] . '.jpeg';
} elseif (2 == $conf['attach_on'] && 2 == $thread['attach_on']) {
// 图床 未上传成功 本地图片在的话使用本地,不在则默认
$thread['icon_fmt'] = $thread['image_url'] ? $thread['image_url'] : $thread['icon_fmt'];
}
}
} else {
$thread['icon_fmt'] = $nopic;
}
// 回复页面
$thread['pages'] = ceil($thread['posts'] / $conf['comment_pagesize']);
$thread['tag_fmt'] = $thread['tag'] ? xn_json_decode($thread['tag']) : '';
// 权限判断
$thread['allowupdate'] = ($uid == $thread['uid']) || forum_access_mod($thread['fid'], $gid, 'allowupdate');
$thread['allowdelete'] = (group_access($gid, 'allowuserdelete') and $uid == $thread['uid']) || forum_access_mod($thread['fid'], $gid, 'allowdelete');
$thread['allowtop'] = forum_access_mod($thread['fid'], $gid, 'allowtop');
$thread = well_thread_safe_info($thread);
}
function well_thread_format_last_date(&$thread)
{
if ($thread['last_date'] != $thread['create_date']) {
$thread['last_date_fmt'] = humandate($thread['last_date']);
} else {
$thread['create_date_fmt'] = humandate($thread['create_date']);
}
}
// 对 $threadlist 权限过滤
function well_thread_list_access_filter(&$threadlist, $gid)
{
global $forumlist;
if (empty($threadlist)) return NULL;
foreach ($threadlist as $tid => $thread) {
if (empty($forumlist[$thread['fid']]['accesson'])) continue;
if ($thread['sticky'] > 0) continue;
if (!forum_access_user($thread['fid'], $gid, 'allowread')) {
unset($threadlist[$tid]);
}
}
}
function well_thread_safe_info($thread)
{
unset($thread['userip'], $thread['user']['threads'], $thread['user']['posts'], $thread['user']['credits'], $thread['user']['golds'], $thread['user']['money']);
empty($thread['user']) || $thread['user'] = user_safe_info($thread['user']);
return $thread;
}
// 过滤安全数据
function well_thread_filter(&$val)
{
unset($val['userip'], $val['fid'], $val['flagid'], $val['type'], $val['user'], $val['create_date']);
}
//------------------------ 其他方法 ------------------------
// 集合主题tid,统一拉取,避免多次查询thread表
function thread_unified_pull($arr)
{
global $gid, $fid;
$stickylist = array_value($arr, 'stickylist', array());
$tidlist = array_value($arr, 'tidlist', array());
//$fid = array_value($arr, 'fid');
// 合并过滤空数组
//$tidlist = array_filter($stickylist + $tidlist);
$tidarrlist = $tidlist = $stickylist + $tidlist;
// 版块自定义
list($flaglist, $flagtids) = flag_thread_by_fid($fid);
empty($flagtids) || $tidarrlist += $flagtids;
unset($flagtids);
// 在这之前合并所有二维数组 tid值为键/array('tid值' => tid值)
$tidarr = empty($tidarrlist) ? array() : arrlist_values($tidarrlist, 'tid');
// 在这之前使用array_merge()前合并所有一维数组 tid/array(1,2,3)
if (empty($tidarr)) return NULL;
$tidarr = array_unique($tidarr);
// 主题相关统一遍历后再归类
$arrlist = well_thread_find($tidarr, count($tidarr));
// 过滤没有权限访问的主题 / filter no permission thread
well_thread_list_access_filter($arrlist, $gid);
$threadlist = array();
foreach ($arrlist as $_tid => &$_thread) {
$_thread = well_thread_safe_info($_thread);
// 归类列表数据
isset($tidlist[$_thread['tid']]) and $threadlist[$_tid] = $_thread;
// flag thread
if (!empty($flaglist)) {
foreach ($flaglist as $key => $val) {
if (isset($val['tids']) && in_array($_thread['tid'], $val['tids'])) {
$flaglist[$key]['list'][array_search($_thread['tid'], $val['tids'])] = $_thread;
ksort($flaglist[$key]['list']);
}
}
}
}
// 按之前tidlist排序
$threadlist = array2_sort_key($threadlist, $tidlist, 'tid');
unset($arrlist, $tidlist);
$arr = array('threadlist' => $threadlist, 'flaglist' => $flaglist);
return $arr;
}
// read.php 详情页其他主题调用,集合tid统一拉取数据,最后归类
function thread_other_pull($thread)
{
global $forumlist, $gid;
$fid = array_value($thread, 'fid');
$forum = array_value($forumlist, $fid);
if (empty($forum)) return NULL;
//$tid = array_value($thread, 'tid');
//$tag_fmt = array_value($thread, 'tag_fmt');
$arrlist = array();
$tidlist = array();
// 版块自定义
list($flaglist, $flagtids) = flag_thread_by_fid($fid);
empty($flagtids) || $tidlist += $flagtids;
unset($flagtids);
// 在这之前合并所有二维数组 tid值为键/array('tid值' => tid值)
$tidarr = empty($tidlist) ? array() : arrlist_values($tidlist, 'tid');
// 在这之前使用array_merge()前合并所有一维数组 tid/array(1,2,3)
if (empty($tidarr)) return NULL;
$tidarr = array_unique($tidarr);
// 主题相关统一遍历后再归类
$threadlist = well_thread_find($tidarr, count($tidarr));
// 过滤没有权限访问的主题 / filter no permission thread
well_thread_list_access_filter($threadlist, $gid);
foreach ($threadlist as &$_thread) {
$_thread = well_thread_safe_info($_thread);
// flag thread
if (!empty($flaglist)) {
foreach ($flaglist as $key => $val) {
if (isset($val['tids']) && in_array($_thread['tid'], $val['tids'])) {
$flaglist[$key]['list'][array_search($_thread['tid'], $val['tids'])] = $_thread;
ksort($flaglist[$key]['list']);
}
}
}
}
unset($threadlist);
if (!empty($flaglist)) {
foreach ($flaglist as &$val) {
$i = 0;
if (!isset($val['list'])) continue;
foreach ($val['list'] as &$v) {
++$i;
$v['i'] = $i;
}
}
$arrlist['flaglist'] = $flaglist;
unset($flaglist);
}
return $arrlist;
}
//--------------------------cache--------------------------
// 已格式化 从缓存中读取,避免重复从数据库取数据
function well_thread_read_cache($tid)
{
global $conf;
$key = 'website_thread_' . $tid;
static $cache = array(); // 用静态变量只能在当前 request 生命周期缓存,跨进程需要再加一层缓存:redis/memcached/xcache/apc
if (isset($cache[$key])) return $cache[$key];
if ('mysql' == $conf['cache']['type']) {
$r = well_thread_read($tid);
} else {
$r = cache_get($key);
if (NULL === $r) {
$r = well_thread_read($tid);
$r and cache_set($key, $r, 1800);
}
}
$cache[$key] = $r ? $r : NULL;
return $cache[$key];
}
?>
哪里可以下载正版的 Windows 系统镜像?你的位置:
首页>运维笔记>哪里可以下载正版的 Windows 系统镜像?
安装正版 Windows 系统是确保系统安全和稳定性的关键。本文将介绍几个可靠的渠道,帮助你下载正版的 Windows 系统镜像。
1. 微软官方渠道
1.1 Microsoft 官网
- 网址:https://www.microsoft/software-download
- 特点:微软官方提供的下载工具,支持下载最新版本的 Windows 10 和 Windows 11。
- 步骤:
- 访问上述网址。
- 选择需要的 Windows 版本。
- 下载“媒体创建工具”(Media Creation Tool)。
- 运行工具,选择“创建安装介质”并按照提示操作。
1.2 MSDN 订阅
- 网址:https://msdn.microsoft
- 特点:面向开发者和 IT 专业人士,提供正版 Windows 镜像下载。
- 适用人群:MSDN 订阅用户。
2. 第三方可信渠道
2.1 TechBench by WZT
- 网址:https://tb.rg-adguard
- 特点:提供微软官方镜像的直接下载链接,支持多种语言和版本。
- 步骤:
- 访问上述网址。
- 选择产品类型(如 Windows)、版本和语言。
- 点击下载链接。
2.2 Heidoc
- 网址:https://www.heidoc/joomla/technology-science/microsoft
- 特点:提供 Windows 和 Office 的官方镜像下载链接。
- 步骤:
- 访问上述网址。
- 选择需要的 Windows 版本。
- 复制下载链接并使用下载工具下载。
3. OEM 厂商渠道
3.1 品牌官网
- 特点:部分品牌(如 Dell、HP、Lenovo)会提供正版 Windows 镜像下载。
- 步骤:
- 访问品牌官网的支持页面。
- 输入设备型号,查找系统恢复镜像。
- 下载并按照说明安装。
3.2 恢复分区
- 特点:部分品牌电脑内置恢复分区,可直接恢复系统。
- 步骤:
- 开机时按下特定快捷键(如 F11 或 F12)。
- 选择“恢复系统”选项。
- 按照提示操作。
注意事项
- 验证镜像:下载后使用工具(如 HashTab)验证 SHA-1 或 SHA-256 值,确保镜像完整。
- 激活系统:下载正版镜像后,需使用正版密钥激活系统。
- 避免盗版:不要从不明来源下载镜像,以免感染恶意软件。
了解更多技术内容,请访问:6v6博客