[PHP] 純文本查看 復制代碼
<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: function_forum.php 36345 2017-01-12 01:55:04Z nemohou $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
/**
* 獲取指定用戶的Discuz!頭像
*
* @param int $uid 用戶ID
* @param string $size 頭像大小，可選參數，默認為空，代表默認大小
* @param bool $returnsrc 是否返回頭像的URL而不是直接輸出，默認為FALSE
* @return mixed 如果 $returnsrc 為 TRUE，則返回頭像URL；否則直接輸出頭像
*/
function discuz_uc_avatar($uid, $size = '', $returnsrc = FALSE) {
global $_G;
return avatar($uid, $size, $returnsrc, FALSE, $_G['setting']['avatarmethod'], $_G['setting']['ucenterurl']);
}
/**
* 刪除指定附件
*
* @param array $attach 包含附件信息的數組
* @return void
*/
function dunlink($attach) {
global $_G;
$filename = $attach['attachment'];
$havethumb = $attach['thumb'];
$remote = $attach['remote'];
if($remote) {
ftpcmd('delete', 'forum/'.$filename);
$havethumb && ftpcmd('delete', 'forum/'.getimgthumbname($filename));
} else {
@unlink($_G['setting']['attachdir'].'/forum/'.$filename);
$havethumb && @unlink($_G['setting']['attachdir'].'/forum/'.getimgthumbname($filename));
}
if($attach['aid']) {
@unlink($_G['setting']['attachdir'].'image/'.$attach['aid'].'_100_100.jpg');
}
}
/**
* 根據給定的權限公式判斷用戶是否有訪問權限
*
* @param string $formula 權限公式，可以是序列化的公式信息
* @return bool 如果用戶有權限，則返回TRUE；否則返回FALSE
*/
function formulaperm($formula) {
global $_G;
// 初步檢查，如果是版主或者管理員，則直接通過
if($_G['forum']['ismoderator']) {
return TRUE;
}
$formula = dunserialize($formula);
$medalperm = $formula['medal'];
$permusers = $formula['users'];
$permmessage = $formula['message'];
// 檢查是否啟用了勛章權限控制
if($_G['setting']['medalstatus'] && $medalperm) {
$exists = 1;
$_G['forum_formulamessage'] = '';
$medalpermc = $medalperm;
if($_G['uid']) {
$memberfieldforum = C::t('common_member_field_forum')->fetch($_G['uid']);
$medals = explode("\t", $memberfieldforum['medals']);
unset($memberfieldforum);
foreach($medalperm as $k => $medal) {
foreach($medals as $r) {
list($medalid) = explode("|", $r);
if($medalid == $medal) {
$exists = 0;
unset($medalpermc[$k]);
}
}
}
} else {
$exists = 0;
}
if($medalpermc) {
loadcache('medals');
foreach($medalpermc as $medal) {
if($_G['cache']['medals'][$medal]) {
$_G['forum_formulamessage'] .= '<img src="'.$_G['cache']['medals'][$medal]['image'].'" style="vertical-align:middle;" /> '.$_G['cache']['medals'][$medal]['name'].' ';
}
}
showmessage('forum_permforum_nomedal', NULL, array('forum_permforum_nomedal' => $_G['forum_formulamessage']), array('login' => 1));
}
}
$formulatext = $formula[0];
$formula = trim($formula[1]);
// 檢查是否為管理員或者版主，或者用戶組有特殊權限
if($_G['adminid'] == 1 || $_G['forum']['ismoderator'] || in_array($_G['groupid'], explode("\t", $_G['forum']['spviewperm']))) {
return FALSE;
}
if($permusers) {
$permusers = str_replace(array("\r\n", "\r"), array("\n", "\n"), $permusers);
$permusers = explode("\n", trim($permusers));
if(!in_array($_G['member']['username'], $permusers)) {
showmessage('forum_permforum_disallow', NULL, array(), array('login' => 1));
}
}
if(!$formula) {
return FALSE;
}
// 對公式進行解析和計算，以判斷用戶是否有訪問權限
if(strexists($formula, '$memberformula[')) {
preg_match_all("/\\\$memberformula\['(\w+?)'\]/", $formula, $a);
$profilefields = array();
foreach($a[1] as $field) {
switch($field) {
case 'regdate':
$formula = preg_replace_callback("/\{(\d{4})\-(\d{1,2})\-(\d{1,2})\}/", 'formulaperm_callback_123', $formula);
case 'regday':
break;
case 'regip':
case 'lastip':
$formula = preg_replace("/\{([0-9a-fA-F\.\:\/]+?)\}/", "'\\1'", $formula);
$formula = preg_replace('/(\$memberformula\[\'(regip|lastip)\'\])\s*=+\s*\'([0-9a-fA-F\.\:\/]+?)\'/', "ip::check_ip(\\1, '\\3')", $formula);
case 'buyercredit':
case 'sellercredit':
space_merge($_G['member'], 'status');break;
case substr($field, 0, 5) == 'field':
space_merge($_G['member'], 'profile');
$profilefields[] = $field;break;
}
}
$memberformula = array();
if($_G['uid']) {
$memberformula = $_G['member'];
if(in_array('regday', $a[1])) {
$memberformula['regday'] = intval((TIMESTAMP - $memberformula['regdate']) / 86400);
}
if(in_array('regdate', $a[1])) {
$memberformula['regdate'] = date('Y-m-d', $memberformula['regdate']);
}
$memberformula['lastip'] = $memberformula['lastip'] ? $memberformula['lastip'] : $_G['clientip'];
} else {
if(isset($memberformula['regip'])) {
$memberformula['regip'] = $_G['clientip'];
}
if(isset($memberformula['lastip'])) {
$memberformula['lastip'] = $_G['clientip'];
}
}
}
@eval("\$formulaperm = ($formula) ? TRUE : FALSE;");
if(!$formulaperm) {
if(!$permmessage) {
$language = lang('forum/misc');
$search = array('regdate', 'regday', 'regip', 'lastip', 'buyercredit', 'sellercredit', 'digestposts', 'posts', 'threads', 'oltime');
$replace = array($language['formulaperm_regdate'], $language['formulaperm_regday'], $language['formulaperm_regip'], $language['formulaperm_lastip'], $language['formulaperm_buyercredit'], $language['formulaperm_sellercredit'], $language['formulaperm_digestposts'], $language['formulaperm_posts'], $language['formulaperm_threads'], $language['formulaperm_oltime']);
for($i = 1; $i <= 8; $i++) {
$search[] = 'extcredits'.$i;
$replace[] = $_G['setting']['extcredits'][$i]['title'] ? $_G['setting']['extcredits'][$i]['title'] : $language['formulaperm_extcredits'].$i;
}
if($profilefields) {
loadcache(array('fields_required', 'fields_optional'));
foreach($profilefields as $profilefield) {
$search[] = $profilefield;
$replace[] = !empty($_G['cache']['fields_optional']['field_'.$profilefield]) ? $_G['cache']['fields_optional']['field_'.$profilefield]['title'] : $_G['cache']['fields_required']['field_'.$profilefield]['title'];
}
}
$i = 0;$_G['forum_usermsg'] = '';
foreach($search as $s) {
if(in_array($s, array('digestposts', 'posts', 'threads', 'oltime', 'extcredits1', 'extcredits2', 'extcredits3', 'extcredits4', 'extcredits5', 'extcredits6', 'extcredits7', 'extcredits8'))) {
$_G['forum_usermsg'] .= strexists($formulatext, $s) ? '<br /> '.$replace[$i].': '.(@eval('return intval(getuserprofile(\''.$s.'\'));')) : '';
} elseif(in_array($s, array('regdate', 'regip', 'regday'))) {
$_G['forum_usermsg'] .= strexists($formulatext, $s) ? '<br /> '.$replace[$i].': '.(@eval('return $memberformula[\''.$s.'\'];')) : '';
}
$i++;
}
$search = array_merge($search, array('and', 'or', '>=', '<=', '=='));
$replace = array_merge($replace, array(' <b>'.$language['formulaperm_and'].'</b> ', ' <b>'.$language['formulaperm_or'].'</b> ', '≥', '≤', '='));
$_G['forum_formulamessage'] = str_replace($search, $replace, $formulatext);
} else {
$_G['forum_formulamessage'] = $permmessage;
}
if(!$permmessage) {
showmessage('forum_permforum_nopermission', NULL, array('formulamessage' => $_G['forum_formulamessage'], 'usermsg' => $_G['forum_usermsg']), array('login' => 1));
} else {
showmessage('forum_permforum_nopermission_custommsg', NULL, array('formulamessage' => $_G['forum_formulamessage']), array('login' => 1));
}
}
return TRUE;
}
/**
* 根據給定的公式和類型，計算用戶是否滿足獲得勛章的條件。
*
* @param string $formula 勛章獲得的計算公式，可以包含各種條件和運算符。
* @param int $type 計算類型，1代表檢查是否滿足獲得條件，2代表檢查是否滿足保留條件。
* @return mixed 如果用戶滿足條件，返回false；如果不滿足條件，返回提示信息的字符串。
*/
function medalformulaperm($formula, $type) {
global $_G;
// 解序列化公式字符串，獲取公式配置
$formula = dunserialize($formula);
$permmessage = $formula['message'];
$formula = $formula['medal'];
// 檢查用戶組是否被允許獲得該勛章
if(!empty($formula['usergroupallow']) && is_array($formula['usergroups']) && !in_array($_G['groupid'], $formula['usergroups'])) {
loadcache('usergroups');
// 如果用戶組不允許，返回相應的用戶組權限提示信息
$message = array();
foreach($formula['usergroups'] as $groupid) {
$message[] = $_G['cache']['usergroups'][$groupid]['grouptitle'].' ';
}
$_G['forum_formulamessage'] = implode(', ', $message);
$_G['forum_usermsg'] = $_G['cache']['usergroups'][$_G['groupid']]['grouptitle'];
return FALSE;
}
$formulatext = $formula[0];
$formula = $formula[1];
if(!$formula) {
return FALSE;
}
// 處理公式中的$memberformula變量
if(strexists($formula, '$memberformula[')) {
preg_match_all("/\\\$memberformula\['(\w+?)'\]/", $formula, $a);
$profilefields = array();
foreach($a[1] as $field) {
switch($field) {
case 'regdate':
$formula = preg_replace_callback("/\{(\d{4})\-(\d{1,2})\-(\d{1,2})\}/", 'medalformulaperm_callback_123', $formula);
case 'regday':
break;
case 'regip':
case 'lastip':
$formula = preg_replace("/\{([0-9a-fA-F\.\:\/]+?)\}/", "'\\1'", $formula);
$formula = preg_replace('/(\$memberformula\[\'(regip|lastip)\'\])\s*=+\s*\'([0-9a-fA-F\.\:\/]+?)\'/', "ip::check_ip(\\1, '\\3')", $formula);
case 'buyercredit':
case 'sellercredit':
space_merge($_G['member'], 'status');break;
case substr($field, 0, 5) == 'field':
space_merge($_G['member'], 'profile');
$profilefields[] = $field;break;
}
}
$memberformula = array();
if($_G['uid']) {
$memberformula = $_G['member'];
if(in_array('regday', $a[1])) {
$memberformula['regday'] = intval((TIMESTAMP - $memberformula['regdate']) / 86400);
}
if(in_array('regdate', $a[1])) {
$memberformula['regdate'] = date('Y-m-d', $memberformula['regdate']);
}
$memberformula['lastip'] = $memberformula['lastip'] ? $memberformula['lastip'] : $_G['clientip'];
} else {
if(isset($memberformula['regip'])) {
$memberformula['regip'] = $_G['clientip'];
}
if(isset($memberformula['lastip'])) {
$memberformula['lastip'] = $_G['clientip'];
}
}
}
// 評估公式，并根據結果和類型返回相應的值
@eval("\$formulaperm = ($formula) ? TRUE : FALSE;");
if(!$formulaperm || $type == 1) {
if(!$permmessage) {
$language = lang('forum/misc');
$search = array('regdate', 'regday', 'regip', 'lastip', 'buyercredit', 'sellercredit', 'digestposts', 'posts', 'threads', 'oltime');
$replace = array($language['formulaperm_regdate'], $language['formulaperm_regday'], $language['formulaperm_regip'], $language['formulaperm_lastip'], $language['formulaperm_buyercredit'], $language['formulaperm_sellercredit'], $language['formulaperm_digestposts'], $language['formulaperm_posts'], $language['formulaperm_threads'], $language['formulaperm_oltime']);
for($i = 1; $i <= 8; $i++) {
$search[] = 'extcredits'.$i;
$replace[] = $_G['setting']['extcredits'][$i]['title'] ? $_G['setting']['extcredits'][$i]['title'] : $language['formulaperm_extcredits'].$i;
}
if($profilefields) {
loadcache(array('fields_required', 'fields_optional'));
foreach($profilefields as $profilefield) {
$search[] = $profilefield;
$replace[] = !empty($_G['cache']['fields_optional']['field_'.$profilefield]) ? $_G['cache']['fields_optional']['field_'.$profilefield]['title'] : $_G['cache']['fields_required']['field_'.$profilefield]['title'];
}
}
$i = 0;$_G['forum_usermsg'] = '';
foreach($search as $s) {
if(in_array($s, array('digestposts', 'posts', 'threads', 'oltime', 'extcredits1', 'extcredits2', 'extcredits3', 'extcredits4', 'extcredits5', 'extcredits6', 'extcredits7', 'extcredits8'))) {
$_G['forum_usermsg'] .= strexists($formulatext, $s) ? '<br /> '.$replace[$i].': '.(@eval('return intval(getuserprofile(\''.$s.'\'));')) : '';
} elseif(in_array($s, array('regdate', 'regip'))) {
$_G['forum_usermsg'] .= strexists($formulatext, $s) ? '<br /> '.$replace[$i].': '.(@eval('return $memberformula[\''.$s.'\'];')) : '';
}
$i++;
}
$search = array_merge($search, array('and', 'or', '>=', '<=', '=='));
$replace = array_merge($replace, array(' <b>'.$language['formulaperm_and'].'</b> ', ' <b>'.$language['formulaperm_or'].'</b> ', '≥', '≤', '='));
$permmessage = str_replace($search, $replace, $formulatext);
}
if(!$formulaperm) {
$_G['forum_formulamessage'] = $permmessage;
}
return $permmessage;
} elseif($formulaperm && $type == 2) {
return FALSE;
}
return TRUE;
}
/**
* 用于公式中處理日期格式的回調函數。
*
* @param array $matches 正則匹配到的內容數組。
* @return string 返回格式化后的日期字符串。
*/
function formulaperm_callback_123($matches) {
return '\''.$matches[1].'-'.sprintf('%02d', $matches[2]).'-'.sprintf('%02d', $matches[3]).'\'';
}
/**
* 計算用戶組過期時間。
*
* @param array $terms 包含用戶組過期條件的數組。
* @return int 返回用戶組的最短過期時間。
*/
function groupexpiry($terms) {
$terms = is_array($terms) ? $terms : dunserialize($terms);
$groupexpiry = isset($terms['main']['time']) ? intval($terms['main']['time']) : 0;
if(is_array($terms['ext'])) {
foreach($terms['ext'] as $expiry) {
if((!$groupexpiry && $expiry) || $expiry < $groupexpiry) {
$groupexpiry = $expiry;
}
}
}
return $groupexpiry;
}
/**
* 生成論壇主題類型的下拉選擇菜單。
*
* @param int $curtypeid 當前選擇的類型ID。
* @return string 返回包含選擇菜單的HTML代碼。
*/
function typeselect($curtypeid = 0) {
global $_G;
if($threadtypes = $_G['forum']['threadtypes']) {
$html = '<select name="typeid" id="typeid"><option value="0"> </option>';
foreach($threadtypes['types'] as $typeid => $name) {
$html .= '<option value="'.$typeid.'" '.($curtypeid == $typeid ? 'selected' : '').'>'.strip_tags($name).'</option>';
}
$html .= '</select>';
return $html;
} else {
return '';
}
}
/**
* 更新版主操作記錄。
*
* @param string $modaction 版主操作的類型。
* @param int $posts 操作涉及的帖子數量，默認為1。
*/
function updatemodworks($modaction, $posts = 1) {
global $_G;
$today = dgmdate(TIMESTAMP, 'Y-m-d');
if($_G['setting']['modworkstatus'] && $modaction && $posts) {
$affect_rows = C::t('forum_modwork')->increase_count_posts_by_uid_modaction_dateline(1, $posts, $_G['uid'], $modaction, $today);
if(!$affect_rows) {
C::t('forum_modwork')->insert(array(
'uid' => $_G['uid'],
'modaction' => $modaction,
'dateline' => $today,
'count' => 1,
'posts' => $posts,
));
}
}
}
/**
* 構建SQL語句的特定部分，用于更新指定字段的位狀態。
*
* @param string $fieldname 要操作的數據庫字段名。
* @param int $position 指定位子字段的位置。
* @param bool $value 指定要設置的狀態值，true為啟用，false為禁用。
* @return string 返回構建的SQL更新語句部分。
*/
function buildbitsql($fieldname, $position, $value) {
// 初始化SQL片段，準備設置字段值
$t = " `$fieldname`=`$fieldname`";
// 根據$value的真偽，選擇性地添加設置狀態的語句
if($value) {
$t .= ' | '.setstatus($position, 1); // 啟用狀態
} else {
$t .= ' & '.setstatus($position, 0); // 禁用狀態
}
// 返回完整的SQL語句部分
return $t.' ';
}
/**
* 顯示用戶沒有權限的消息
*
* @param string $type 操作類型，對應不同的權限
* @param int $fid 論壇版塊ID
* @param string $formula 權限公式，可選，用于自定義權限消息
* @global array $_G 全局變量數組
* @return void 無返回值，直接輸出消息并終止執行
*/
function showmessagenoperm($type, $fid, $formula = '') {
global $_G;
loadcache('usergroups'); // 加載用戶組緩存
// 如果存在權限公式，則解析并獲取自定義權限消息
if($formula) {
$formula = dunserialize($formula);
$permmessage = stripslashes($formula['message']);
}
// 初始化用戶組、無權限用戶組和論壇權限數組
$usergroups = $nopermgroup = $forumnoperms = array();
// 默認無權限設置
$nopermdefault = array(
'viewperm' => array(),
'getattachperm' => array(),
'postperm' => array(7),
'replyperm' => array(7),
'postattachperm' => array(7),
);
// 權限類型數組
$perms = array('viewperm', 'postperm', 'replyperm', 'getattachperm', 'postattachperm');
// 根據用戶組類型分配權限
foreach($_G['cache']['usergroups'] as $gid => $usergroup) {
$usergroups[$gid] = $usergroup['type'];
$grouptype = $usergroup['type'] == 'member' ? 0 : 1;
$nopermgroup[$grouptype][] = $gid;
}
// 獲取當前論壇版塊信息
if($fid == $_G['forum']['fid']) {
$forum = $_G['forum'];
} else {
$forum = C::t('forum_forumfield')->fetch($fid);
}
// 遍歷權限類型，獲取每個類型的具體權限設置
foreach($perms as $perm) {
$permgroups = explode("\t", $forum[$perm]);
$membertype = $forum[$perm] ? array_intersect($nopermgroup[0], $permgroups) : TRUE;
$forumnoperm = $forum[$perm] ? array_diff(array_keys($usergroups), $permgroups) : $nopermdefault[$perm];
foreach($forumnoperm as $groupid) {
$nopermtype = $membertype && $groupid == 7 ? 'login' : ($usergroups[$groupid] == 'system' || $usergroups[$groupid] == 'special' ? 'none' : ($membertype ? 'upgrade' : 'none'));
$forumnoperms[$fid][$perm][$groupid] = array($nopermtype, $permgroups);
}
}
// 獲取當前用戶組的權限信息，用于顯示
$v = $forumnoperms[$fid][$type][$_G['groupid']][0];
$gids = $forumnoperms[$fid][$type][$_G['groupid']][1];
$comma = $permgroups = '';
// 拼接具有權限的用戶組名稱或驗證類型名稱
if(is_array($gids)) {
foreach($gids as $gid) {
if($gid && $_G['cache']['usergroups'][$gid]) {
$permgroups .= $comma.$_G['cache']['usergroups'][$gid]['grouptitle'];
$comma = ', ';
} elseif($_G['setting']['verify']['enabled'] && substr($gid, 0, 1) == 'v') {
$vid = substr($gid, 1);
$permgroups .= $comma.$_G['setting']['verify'][$vid]['title'];
$comma = ', ';
}
}
}
// 判斷是否使用自定義消息
$custom = 0;
if($permmessage) {
$message = $permmessage;
$custom = 1;
} else {
// 根據權限設置獲取系統消息
if($v) {
$message = $type.'_'.$v.'_nopermission';
} else {
$message = 'group_nopermission';
}
}
// 顯示權限消息
showmessage($message, NULL, array('fid' => $fid, 'permgroups' => $permgroups, 'grouptitle' => $_G['group']['grouptitle']), array('login' => 1), $custom);
}
/**
* 加載論壇板塊或主題
*
* 本函數用于根據提供的板塊ID（fid）或主題ID（tid）加載相應的論壇數據。
* 如果沒有提供fid或tid，將嘗試從全局變量或GET請求中獲取。
*
* @param int $fid 板塊ID，如果未提供，則嘗試從GET請求中獲取
* @param int $tid 主題ID，如果未提供，則嘗試從GET請求中獲取
* @global array $_G 全局變量數組
* @return void
*/
function loadforum($fid = null, $tid = null) {
global $_G;
// 嘗試從參數或GET請求中獲取主題ID，并轉換為整數
$tid = intval(isset($tid) ? $tid : getgpc('tid'));
// 如果提供了板塊ID，則轉換為整數，否則從GET請求中獲取
if(isset($fid)) {
$fid = intval($fid);
} else {
$fid = getgpc('fid');
// 如果未獲取到板塊ID，且GET請求中存在群組ID（gid），則嘗試使用群組ID
if(!$fid && getgpc('gid')) {
$fid = intval(getgpc('gid'));
}
}
if(isset($_G['forum']['fid']) && $_G['forum']['fid'] == $fid || isset($_G['thread']['tid']) && $_G['thread']['tid'] == $tid){
return null;
}
if(!empty($_GET['archiver'])) {//X1.5的Archiver兼容
if($fid) {
dheader('location: archiver/?fid-'.$fid.'.html');
} elseif($tid) {
dheader('location: archiver/?tid-'.$tid.'.html');
} else {
dheader('location: archiver/');
}
}
if(defined('IN_ARCHIVER') && $_G['setting']['archiverredirect'] && !IS_ROBOT) {
dheader('location: ../forum.php'.($_G['mod'] ? '?mod='.$_G['mod'].(!empty($_GET['fid']) ? '&fid='.$_GET['fid'] : (!empty($_GET['tid']) ? '&tid='.$_GET['tid'] : '')) : ''));
}
if(isset($_G['setting']['forumpicstyle'])) {
$_G['setting']['forumpicstyle'] = dunserialize($_G['setting']['forumpicstyle']);
empty($_G['setting']['forumpicstyle']['thumbwidth']) && $_G['setting']['forumpicstyle']['thumbwidth'] = 203;
empty($_G['setting']['forumpicstyle']['thumbheight']) && $_G['setting']['forumpicstyle']['thumbheight'] = 0;
} else {
$_G['setting']['forumpicstyle'] = array('thumbwidth' => 203, 'thumbheight' => 0);
}
if($fid) {
$fid = is_numeric($fid) ? intval($fid) : (!empty($_G['setting']['forumfids'][$fid]) ? $_G['setting']['forumfids'][$fid] : 0);
}
$modthreadkey = isset($_GET['modthreadkey']) && $_GET['modthreadkey'] == modauthkey($tid) ? $_GET['modthreadkey'] : '';
$_G['forum_auditstatuson'] = $modthreadkey ? true : false;
$metadescription = $hookscriptmessage = '';
$adminid = $_G['adminid'];
if(!empty($tid) || !empty($fid)) {
if(!empty ($tid)) {
$archiveid = !empty($_GET['archiveid']) ? intval($_GET['archiveid']) : null;
$_G['thread'] = get_thread_by_tid($tid, $archiveid);
$_G['thread']['allreplies'] = $_G['thread']['replies'] + $_G['thread']['comments'];
if(!$_G['forum_auditstatuson'] && !empty($_G['thread'])
&& !($_G['thread']['displayorder'] >= 0 || (in_array($_G['thread']['displayorder'], array(-4,-3,-2)) && $_G['uid'] && $_G['thread']['authorid'] == $_G['uid']))) {
$_G['thread'] = null;
}
$_G['forum_thread'] = & $_G['thread'];
if(empty($_G['thread'])) {
$fid = $tid = 0;
} else {
$fid = $_G['thread']['fid'];
$tid = $_G['thread']['tid'];
}
}
if($fid) {
$forum = C::t('forum_forum')->fetch_info_by_fid($fid);
}
if($forum) {
if($_G['uid']) {
if($_G['member']['accessmasks']) {
$query = C::t('forum_access')->fetch_all_by_fid_uid($fid, $_G['uid']);
$forum['allowview'] = $query[0]['allowview'];
$forum['allowpost'] = $query[0]['allowpost'];
$forum['allowreply'] = $query[0]['allowreply'];
$forum['allowgetattach'] = $query[0]['allowgetattach'];
$forum['allowgetimage'] = $query[0]['allowgetimage'];
$forum['allowpostattach'] = $query[0]['allowpostattach'];
$forum['allowpostimage'] = $query[0]['allowpostimage'];
}
if($adminid == 3) {
$forum['ismoderator'] = C::t('forum_moderator')->fetch_uid_by_fid_uid($fid, $_G['uid']);
}
}
$forum['ismoderator'] = !empty($forum['ismoderator']) || $adminid == 1 || $adminid == 2 ? 1 : 0;
$fid = $forum['fid'];
$gorup_admingroupids = $_G['setting']['group_admingroupids'] ? dunserialize($_G['setting']['group_admingroupids']) : array('1' => '1');
if($forum['status'] == 3) {
if(!empty($forum['moderators'])) {
$forum['moderators'] = dunserialize($forum['moderators']);
} else {
require_once libfile('function/group');
$forum['moderators'] = update_groupmoderators($fid);
}
if($_G['uid'] && $_G['adminid'] != 1) {
$forum['ismoderator'] = !empty($forum['moderators'][$_G['uid']]) ? 1 : 0;
$_G['adminid'] = 0;
if($forum['ismoderator'] || $gorup_admingroupids[$_G['groupid']]) {
$_G['adminid'] = $_G['adminid'] ? $_G['adminid'] : 3;
if(!empty($gorup_admingroupids[$_G['groupid']])) {
$forum['ismoderator'] = 1;
$_G['adminid'] = 2;
}
$group_userperm = dunserialize($_G['setting']['group_userperm']);
if(is_array($group_userperm)) {
$_G['group'] = array_merge($_G['group'], $group_userperm);
$_G['group']['allowmovethread'] = $_G['group']['allowcopythread'] = $_G['group']['allowedittypethread']= 0;
}
}
}
}
foreach(array('threadtypes', 'threadsorts', 'creditspolicy', 'modrecommend') as $key) {
$forum[$key] = !empty($forum[$key]) ? dunserialize($forum[$key]) : array();
if(!is_array($forum[$key])) {
$forum[$key] = array();
}
}
if(!empty($forum['threadtypes']['types'])) {
safefilter($forum['threadtypes']['types']);
}
if(!empty($forum['threadtypes']['options']['name'])) {
safefilter($forum['threadtypes']['options']['name']);
}
if(!empty($forum['threadsorts']['types'])) {
safefilter($forum['threadsorts']['types']);
}
if($forum['status'] == 3) {
$_G['isgroupuser'] = 0;
$_G['basescript'] = 'group';
if($forum['level'] == 0) {
$levelinfo = C::t('forum_grouplevel')->fetch_by_credits($forum['commoncredits']);
$levelid = $levelinfo['levelid'];
$forum['level'] = $levelid;
C::t('forum_forum')->update_group_level($levelid, $fid);
}
if($forum['level'] != -1) {
loadcache('grouplevels');
$grouplevel = $_G['grouplevels'][$forum['level']];
if(!empty($grouplevel['icon'])) {
$valueparse = parse_url($grouplevel['icon']);
if(!isset($valueparse['host'])) {
$grouplevel['icon'] = $_G['setting']['attachurl'].'common/'.$grouplevel['icon'];
}
}
}
$group_postpolicy = $grouplevel['postpolicy'];
if(is_array($group_postpolicy)) {
$forum = array_merge($forum, $group_postpolicy);
}
$forum['allowfeed'] = $_G['setting']['group_allowfeed'];
if($_G['uid']) {
if(!empty($forum['moderators'][$_G['uid']])) {
$_G['isgroupuser'] = 1;
} else {
$groupuserinfo = C::t('forum_groupuser')->fetch_userinfo($_G['uid'], $fid);
$_G['isgroupuser'] = $groupuserinfo['level'];
if($_G['isgroupuser'] <= 0 && empty($forum['ismoderator'])) {
$_G['group']['allowrecommend'] = $_G['cache']['usergroup_'.$_G['groupid']]['allowrecommend'] = 0;
$_G['group']['allowcommentpost'] = $_G['cache']['usergroup_'.$_G['groupid']]['allowcommentpost'] = 0;
$_G['group']['allowcommentitem'] = $_G['cache']['usergroup_'.$_G['groupid']]['allowcommentitem'] = 0;
$_G['group']['raterange'] = $_G['cache']['usergroup_'.$_G['groupid']]['raterange'] = array();
$_G['group']['allowvote'] = $_G['cache']['usergroup_'.$_G['groupid']]['allowvote'] = 0;
} else {
$_G['isgroupuser'] = 1;
}
}
}
}
} else {
$fid = 0;
}
}
$_G['fid'] = $fid;
$_G['tid'] = $tid;
$_G['forum'] = &$forum;
$_G['current_grouplevel'] = &$grouplevel;
if(empty($_G['uid'])) {
$_G['group']['allowpostactivity'] = $_G['group']['allowpostpoll'] = $_G['group']['allowvote'] = $_G['group']['allowpostreward'] = $_G['group']['allowposttrade'] = $_G['group']['allowpostdebate'] = $_G['group']['allowpostrushreply'] = 0;
}
if(!empty($_G['forum']['widthauto'])) {
$_G['widthauto'] = $_G['forum']['widthauto'];
}
}
/**
* 根據主題ID獲取主題信息
*
* @param int $tid 主題ID
* @param null $forcetableid 強制使用的表ID，如果為null，則自動判斷
* @return array 返回主題信息數組，如果找不到則返回空數組
*/
function get_thread_by_tid($tid, $forcetableid = null) {
global $_G;
$ret = array();
// 檢查tid是否為數字
if(!is_numeric($tid)) {
return $ret;
}
// 加載主題表ID的緩存
loadcache('threadtableids');
$threadtableids = array(0);
// 處理表ID的選擇
if(!empty($_G['cache']['threadtableids'])) {
if($forcetableid === null || ($forcetableid > 0 && !in_array($forcetableid, $_G['cache']['threadtableids']))) {
$threadtableids = array_merge($threadtableids, $_G['cache']['threadtableids']);
} else {
$threadtableids = array(intval($forcetableid));
}
}
// 去重并遍歷每個表ID查詢主題信息
$threadtableids = array_unique($threadtableids);
foreach($threadtableids as $tableid) {
$tableid = $tableid > 0 ? $tableid : 0;
$ret = C::t('forum_thread')->fetch_thread($tid, $tableid);
// 如果找到主題信息，處理并返回
if($ret) {
$ret['threadtable'] = C::t('forum_thread')->get_table_name($tableid);
$ret['threadtableid'] = $tableid;
$ret['posttable'] = 'forum_post'.($ret['posttableid'] ? '_'.$ret['posttableid'] : '');
break;
}
}
// 如果未找到主題信息，返回空數組，或者根據設置優化視圖
if(!is_array($ret)) {
$ret = array();
} elseif(getglobal('setting/optimizeviews')) {
if(($row = C::t('forum_threadaddviews')->fetch($tid))) {
$ret['addviews'] = intval($row['addviews']);
$ret['views'] += $ret['addviews'];
}
}
return $ret;
}
/**
* 根據帖子ID獲取帖子信息
*
* @param int $pid 帖子ID
* @param string $fields 需要查詢的字段，默認為'*'
* @param string $addcondiction 添加的查詢條件，默認為空
* @param null $forcetable 強制使用的表名或表ID，如果為null，則自動判斷
* @return array 返回帖子信息數組，如果找不到則返回空數組
*/
function get_post_by_pid($pid, $fields = '*', $addcondiction = '', $forcetable = null) {
global $_G;
$ret = array();
// 檢查pid是否為數字
if(!is_numeric($pid)) {
return $ret;
}
// 加載帖子表信息緩存
loadcache('posttable_info');
$posttableids = array(0);
// 處理表ID的選擇
if($_G['cache']['posttable_info']) {
if(isset($forcetable)) {
if(is_numeric($forcetable) && array_key_exists($forcetable, $_G['cache']['posttable_info'])) {
$posttableids[] = $forcetable;
} elseif(substr($forcetable, 0, 10) == 'forum_post') {
$posttableids[] = $forcetable;
}
} else {
$posttableids = array_keys($_G['cache']['posttable_info']);
}
}
// 遍歷每個表ID查詢帖子信息
foreach ($posttableids as $id) {
$table = empty($id) ? 'forum_post' : (is_numeric($id) ? 'forum_post_'.$id : $id);
$ret = C::t('forum_post')->fetch_by_pid_condition($id, $pid, $addcondiction, $fields);
// 如果找到帖子信息，處理并返回
if($ret) {
$ret['posttable'] = $table;
break;
}
}
// 如果未找到帖子信息，返回空數組
if(!is_array($ret)) {
$ret = array();
}
return $ret;
}
/**
* 根據主題ID和帖子ID獲取帖子信息
*
* @param int $tid 主題ID
* @param int $pid 帖子ID
* @return array 返回帖子信息數組
*/
function get_post_by_tid_pid($tid, $pid) {
static $postlist = array();
if(empty($postlist[$pid])) {
// 從數據庫獲取帖子信息
$postlist[$pid] = C::t('forum_post')->fetch_post('tid:'.$tid, $pid, false);
if($postlist[$pid] && $postlist[$pid]['tid'] == $tid) {
// 獲取帖子作者信息并更新到帖子信息中
$user = getuserbyuid($postlist[$pid]['authorid']);
$postlist[$pid]['adminid'] = $user['adminid'];
} else {
$postlist[$pid] = array();
}
}
return $postlist[$pid];
}
/**
* 設置RSS認證信息
*/
function set_rssauth() {
global $_G;
// 檢查是否開啟RSS功能并且用戶已登錄
if($_G['setting']['rssstatus'] && $_G['uid']) {
$auth = authcode($_G['uid']."\t".($_G['fid'] ? $_G['fid'] : '').
"\t".substr(md5($_G['member']['password']), 0, 8), 'ENCODE', md5($_G['config']['security']['authkey']));
} else {
$auth = '0';
}
$_G['rssauth'] = rawurlencode($auth);
}
/**
* 檢查論壇板塊是否允許RSS訪問
*
* @param array $forum 包含板塊信息的數組
* @return bool 返回板塊是否允許RSS訪問
*/
function rssforumperm($forum) {
$is_allowed = $forum['type'] != 'group' && (!$forum['viewperm'] || ($forum['viewperm'] && forumperm($forum['viewperm'], 7)));
return $is_allowed;
}
/**
* 上傳圖標或橫幅
*
* @param array &$data 上傳數據，包含狀態、擴展ID等
* @param array $file 上傳的文件信息
* @param string $type 文件類型（例如：icon或banner）
* @return string|boolean 上傳成功返回文件路徑，失敗返回空字符串或false
*/
function upload_icon_banner(&$data, $file, $type) {
global $_G;
// 設置默認的擴展ID為論壇ID
$data['extid'] = empty($data['extid']) ? $data['fid'] : $data['extid'];
if(empty($data['extid'])) return '';
// 檢查群組圖片大小限制
if($data['status'] == 3 && $_G['setting']['group_imgsizelimit']) {
$file['size'] > ($_G['setting']['group_imgsizelimit'] * 1024) && showmessage('file_size_overflow', '', array('size' => $_G['setting']['group_imgsizelimit'] * 1024));
}
$upload = new discuz_upload();
$uploadtype = $data['status'] == 3 ? 'group' : 'common'; // 根據狀態確定上傳類型
if(!$upload->init($file, $uploadtype, $data['extid'], $type)) {
return false;
}
if(!$upload->save()) {
if(!defined('IN_ADMINCP')) {
showmessage($upload->errormessage());
} else {
cpmsg($upload->errormessage(), '', 'error');
}
}
// 如果是群組圖標，生成縮略圖
if($data['status'] == 3 && $type == 'icon') {
require_once libfile('class/image');
$img = new image;
$img->Thumb($upload->attach['target'], './'.$uploadtype.'/'.$upload->attach['attachment'], 200, 200, 'fixwr');
}
return $upload->attach['attachment'];
}
/**
* 生成多頁鏈接
*
* @param int $total 總數量
* @param int $perpage 每頁數量
* @param int $page 當前頁碼
* @param string $link 鏈接基礎部分
* @return string 生成的分頁鏈接
*/
function arch_multi($total, $perpage, $page, $link) {
$pages = @ceil($total / $perpage) + 1;
$pagelink = '';
if($pages > 1) {
$pagelink .= lang('forum/archiver', 'page') . ": \n";
$pagestart = $page - 10 < 1 ? 1 : $page - 10;
$pageend = $page + 10 >= $pages ? $pages : $page + 10;
for($i = $pagestart; $i < $pageend; $i++) {
$pagelink .= ($i == $page ? "<strong>[$i]</strong>" : "<a href=\"$link&page=$i\">$i</a>")." \n";
}
}
return $pagelink;
}
/**
* 加載存檔文件
*
* @param string $path 文件路徑
* @return string 完整的文件路徑
*/
function loadarchiver($path) {
global $_G;
if(!$_G['setting']['archiver']) {
require_once DISCUZ_ROOT . "./source/archiver/common/header.php";
echo '<div id="content">'.lang('message', 'forum_archiver_disabled').'</div>';
require_once DISCUZ_ROOT . "./source/archiver/common/footer.php";
exit;
}
$filename = $path . '.php';
return DISCUZ_ROOT . "./source/archiver/$filename";
}
/**
* 更新帖子參與度
*
* @param int $tid 帖子ID
* @param boolean $getsetarr 是否返回更新設置數組
* @return array|void 返回更新設置數組或者無返回
*/
function update_threadpartake($tid, $getsetarr = false) {
global $_G;
$setarr = array();
if($_G['uid'] && $tid) {
if($_G['setting']['heatthread']['period']) {
$partaked = C::t('forum_threadpartake')->fetch_threadpartake($tid, $_G['uid']);
$partaked = $partaked['uid'];
if(!$partaked) {
C::t('forum_threadpartake')->insert(array('tid' => $tid, 'uid' => $_G['uid'], 'dateline' => TIMESTAMP));
$setarr = C::t('forum_thread')->increase($tid, array('heats' => 1), false, 0, $getsetarr);
}
} else {
$setarr = C::t('forum_thread')->increase($tid, array('heats' => 1), false, 0, $getsetarr);
}
}
if($getsetarr) {
return $setarr;
}
}
/**
* 獲取帖子封面路徑
*
* @param int $tid 帖子ID
* @param int $cover 指定封面版本
* @param int $getfilename 是否只返回文件名
* @return string 封面路徑或文件名
*/
function getthreadcover($tid, $cover = 0, $getfilename = 0) {
global $_G;
if(empty($tid)) {
return '';
}
$coverpath = '';
$covername = 'threadcover/'.substr(md5($tid), 0, 2).'/'.substr(md5($tid), 2, 2).'/'.$tid.'.jpg';
if($getfilename) {
return $covername;
}
if($cover) {
$coverpath = ($cover < 0 ? $_G['setting']['ftp']['attachurl'] : $_G['setting']['attachurl']).'forum/'.$covername;
}
return $coverpath;
}
/**
* 轉換未使用的附件關聯信息
*
* @param int $aid 附件ID
* @param int $tid 主題ID
* @param int $pid 帖子ID
* @return void
*/
function convertunusedattach($aid, $tid, $pid) {
if(!$aid) {
return;
}
global $_G;
$attach = C::t('forum_attachment_n')->fetch_by_aid_uid(127, $aid, $_G['uid']);
if(!$attach) {
return;
}
$attach = daddslashes($attach);
$attach['tid'] = $tid;
$attach['pid'] = $pid;
C::t('forum_attachment_n')->insert_attachment('tid:'.$tid, $attach);
C::t('forum_attachment')->update($attach['aid'], array('tid' => $tid, 'pid' => $pid, 'tableid' => getattachtableid($tid)));
C::t('forum_attachment_unused')->delete($attach['aid']);
}
/**
* 更新附件關聯的帖子ID
*
* @param string $idtype 關聯類型
* @param array $ids 關聯ID列表
* @param int $oldtid 舊帖子ID
* @param int $newtid 新帖子ID
* @return void
*/
function updateattachtid($idtype, $ids, $oldtid, $newtid) {
foreach(C::t('forum_attachment_n')->fetch_all_by_id('tid:'.$oldtid, $idtype, $ids) as $attach) {
$attach['tid'] = $newtid;
C::t('forum_attachment_n')->insert_attachment('tid:'.$newtid, $attach);
}
C::t('forum_attachment_n')->delete_by_id('tid:'.$oldtid, $idtype, $ids);
C::t('forum_attachment')->update_by_id($idtype, $ids, $newtid);
}
/**
* 更新帖子信息
*
* @param array $data 包含帖子數據的數組
* @param string $condition 更新條件
* @param bool $unbuffered 是否使用緩沖查詢，默認為false
* @param bool $posttableid 帖子表ID，默認為false
* @return bool 操作結果，通常為false
*/
function updatepost($data, $condition, $unbuffered = false, $posttableid = false) {
return false;
}
/**
* 插入帖子
*
* @param array $data 包含帖子數據的數組
* @return int 插入的帖子ID，失敗則返回false
*/
function insertpost($data) {
// 如果$data中包含tid，嘗試獲取帖子信息并確定帖子所屬的表ID
if(isset($data['tid'])) {
$thread = C::t('forum_thread')->fetch_thread($data['tid']);
$tableid = $thread['posttableid'];
// 如果帖子回復數為0且存在沙發，則刪除沙發帖
if($thread['replies'] <= 0 && C::t('forum_sofa')->fetch($thread['tid'])) {
C::t('forum_sofa')->delete($thread['tid']);
}
} else {
// 如果沒有提供tid，則默認tid和tableid為0
$tableid = $data['tid'] = 0;
}
// 插入帖子到forum_post_tableid表并獲取插入的PID
$pid = C::t('forum_post_tableid')->insert(array('pid' => null), true);
// 合并數據并插入到forum_post表
$data = array_merge($data, array('pid' => $pid));
C::t('forum_post')->insert_post($tableid, $data);
// 如果PID是1024的倍數，刪除forum_post_tableid中PID小于等于該值的記錄
if($pid % 1024 == 0) {
C::t('forum_post_tableid')->delete_by_lesspid($pid);
}
// 保存最大帖子ID緩存
savecache('max_post_id', $pid);
return $pid;
}
/**
* 根據字符串內容判斷帖子是否需要審核
*
* @param string $string 帖子的主題和內容
* @return array 包含帖子是否需要審核的信息
*/
function threadmodstatus($string) {
global $_G;
// 檢查是否在指定時間范圍內需要審核
$postmodperiods = periodscheck('postmodperiods', 0);
if($postmodperiods) {
$modnewthreads = $modnewreplies = 1;
} else {
// 根據用戶組和論壇設置判斷帖子是否需要審核
$censormod = censormod($string);
$modnewthreads = (!$_G['group']['allowdirectpost'] || $_G['group']['allowdirectpost'] == 1) && $_G['forum']['modnewposts'] || $censormod ? 1 : 0;
$modnewreplies = (!$_G['group']['allowdirectpost'] || $_G['group']['allowdirectpost'] == 2) && $_G['forum']['modnewposts'] == 2 || $censormod ? 1 : 0;
// 考慮論壇狀態對審核需求的影響
if($_G['forum']['status'] == 3) {
$modnewthreads = !$_G['group']['allowgroupdirectpost'] || $_G['group']['allowgroupdirectpost'] == 1 || $censormod ? 1 : 0;
$modnewreplies = !$_G['group']['allowgroupdirectpost'] || $_G['group']['allowgroupdirectpost'] == 2 || $censormod ? 1 : 0;
}
}
// 處理允許發布URL的權限
$_G['group']['allowposturl'] = $_G['forum']['status'] != 3 ? $_G['group']['allowposturl'] : $_G['group']['allowgroupposturl'];
if($_G['group']['allowposturl'] == 1) {
if(!$postmodperiods) {
$censormod = censormod($string);
}
if($censormod) {
$modnewthreads = $modnewreplies = 1;
}
}
return array($modnewthreads, $modnewreplies);
}
/**
* 保存主題發布信息
*
* @param int $tid 主題ID
* @param bool $passapproval 是否通過審核，默認為false
* @return int 操作結果，1為成功，0為主題不存在，-1為需審核，-2為回復需審核
*/
function threadpubsave($tid, $passapproval = false) {
global $_G;
// 執行插件鉤子
if($_G['setting']['plugins']['func'][HOOKTYPE]['threadpubsave']) {
$hookparam = func_get_args();
hookscript('threadpubsave', 'global', 'funcs', array('param' => $hookparam, 'step' => 'check'), 'threadpubsave');
}
// 獲取主題信息
$thread = C::t('forum_thread')->fetch_by_tid_displayorder($tid, -4, '=', !$passapproval ? $_G['uid'] : null);
if(!$thread) {
return 0;
}
// 獲取主題帖子信息
$threadpost = C::t('forum_post')->fetch_threadpost_by_tid_invisible($tid);
$thread['message'] = $threadpost['message'];
// 初始化變量
$modworksql = 0;
$displayorder = 0;
$dateline = $_G['timestamp'];
$moderatepids = $saveposts = array();
$return = 1;
// 判斷帖子是否需要審核
list($modnewthreads) = threadmodstatus($thread['subject']."\t".$thread['message']);
if($modnewthreads && $passapproval === false) {
// 如果需要審核，則更新審核信息并通知管理員
updatemoderate('tid', $tid);
manage_addnotify('verifythread');
$displayorder = -2;
$modworksql = 1;
$return = -1;
C::t('forum_post')->update_by_tid('tid:'.$tid, $tid, array('dateline' => $dateline), false, false, 1);
} else {
// 如果不需要審核，則更新帖子時間
C::t('forum_post')->update_by_tid('tid:'.$tid, $tid, array('dateline' => $dateline, 'invisible' => '0'), false, false, 1);
}
// 更新主題信息
C::t('forum_thread')->update($tid, array('displayorder'=>$displayorder, 'dateline'=>$_G['timestamp'], 'lastpost'=>$_G['timestamp']));
$posts = $thread['replies'] + 1;
// 如果有回復，則處理每個回復
if($thread['replies']) {
$saveposts = C::t('forum_post')->fetch_all_by_tid('tid:'.$tid, $tid, true, '', 0, 0, 0);
foreach($saveposts as $post) {
$dateline++;
$invisible = 0;
list(, $modnewreplies) = threadmodstatus($post['subject']."\t".$post['message']);
if($modnewreplies) {
$moderatepids[] = $post['pid'];
$verifypost = true;
$invisible = -2;
$modworksql = 1;
$return = -2;
}
// 更新回復信息
C::t('forum_post')->update_post('tid:'.$tid, $post['pid'], array('dateline' => $dateline, 'invisible' => $invisible));
// 更新用戶積分
updatepostcredits('+', $thread['authorid'], 'reply', $thread['fid']);
}
}
// 如果有需要審核的帖子，更新審核信息并通知管理員
if($moderatepids) {
updatemoderate('pid', $moderatepids);
manage_addnotify('verifypost');
}
// 更新用戶積分
updatepostcredits('+', $thread['authorid'], 'post', $thread['fid']);
// 更新附件積分
$attachcount = C::t('forum_attachment_n')->count_by_id('tid:'.$thread['tid'], 'tid', $thread['tid']);
updatecreditbyaction('postattach', $thread['authorid'], array(), '', $attachcount, 1, $thread['fid']);
// 如果論壇為分類討論區，則更新用戶在該分類下的帖子數
if($_G['forum']['status'] == 3) {
C::t('forum_groupuser')->update_counter_for_user($thread['authorid'], $thread['fid'], 1);
}
// 更新論壇和分類討論區的最新帖子信息
$subject = str_replace("\t", ' ', $thread['subject']);
$lastpost = $thread['tid']."\t".$subject."\t".$thread['lastpost']."\t".$thread['lastposter'];
C::t('forum_forum')->update($_G['fid'], array('lastpost' => $lastpost));
C::t('forum_forum')->update_forum_counter($thread['fid'], 1, $posts, $posts, $modworksql);
// 更新父版塊的最新帖子信息
if($_G['forum']['type'] == 'sub') {
C::t('forum_forum')->update($_G['forum']['fup'], array('lastpost' => $lastpost));
}
// 執行插件鉤子
if($_G['setting']['plugins']['func'][HOOKTYPE]['threadpubsave']) {
hookscript('threadpubsave', 'global', 'funcs', array('param' => $hookparam, 'step' => 'save', 'posts' => $saveposts), 'threadpubsave');
}
return $return;
}
/**
* 獲取相關收藏集
*
* @param int $tid 主題ID
* @param bool $all 是否獲取全部相關收藏集，默認為false，即獲取設置數量內的收藏集
* @param int &$num 返回相關收藏集的數量
* @param int &$more 如果收藏集數量超過設置的最大顯示數量，$more設為1，否則設為0
* @return array 返回收藏集信息數組，如果無相關收藏集則返回null
*/
function getrelatecollection($tid, $all = false, &$num = null, &$more = null) {
global $_G;
$maxdisplay = $_G['setting']['collectionnum']; // 獲取設置的收藏集顯示數量
if(!$maxdisplay) return; // 如果設置為不顯示，則直接返回
$tidrelate = C::t('forum_collectionrelated')->fetch($tid); // 獲取指定主題的收藏集信息
$ctids = explode("\t", $tidrelate['collection'], -1); // 解析收藏集ID字符串為數組
$num = count($ctids); // 計算收藏集數量
if(!$ctids || !$num) {
$more = $num = 0;
return null;
}
if($all !== true && $num > $maxdisplay) {
$more = 1; // 如果未設置獲取全部且收藏集數量超過最大顯示數量，則設置$more為1
} else {
$maxdisplay = 0; // 否則設置$maxdisplay為0，表示獲取全部
}
return C::t('forum_collection')->fetch_all($ctids, 'follownum', 'DESC', 0, $maxdisplay, '', $tid); // 獲取收藏集信息
}
/**
* 設置@列表的Cookie
*
* @param array $uids 要設置的UID列表
*/
function set_atlist_cookie($uids) {
global $_G;
$atlist = $tmp = array();
$num = 0;
$maxlist = 10; // 設置@列表的最大數量
if(empty($uids)) {
return;
}
$newnum = count($uids); // 新的@列表數量
if($newnum >= $maxlist) {
$uids = array_slice($uids, 0, $maxlist); // 如果超過最大數量，則截取前$maxlist個UID
dsetcookie('atlist', implode(',', $uids), 86400 * 360); // 設置Cookie
return;
}
if($_G['cookie']['atlist']) {
$atlist = explode(',', $_G['cookie']['atlist']);
foreach($atlist as $key => $val) {
if(!in_array($val, $uids)) {
$num++;
if($num == ($maxlist - $newnum)) {
break;
}
$tmp[$key] = $val;
}
}
}
dsetcookie('atlist', implode(',', $uids).($tmp ? ','.implode(',', $tmp) : ''), 86400 * 360); // 更新或設置Cookie
}
/**
* 檢查HTTP_REFERER是否來自指定搜索引擎
*
* @return bool 返回true表示HTTP_REFERER來自指定搜索引擎，否則返回false
*/
function viewthread_is_search_referer() {
$regex = "((http|https)\:\/\/)?";
$regex .= "([a-z]*.)?(toutiao.com|m.sm.cn|[url]www.so.com[/url]|sogou.com|bing.com|baidu.com|google.com|google.cn|google.com.hk)(.[a-z]{2,3})?\/";
if(preg_match("/^$regex/", $_SERVER['HTTP_REFERER'])) {
return true;
}
return false;
}
/**
* 生成字符串話題的圖片表示
*
* @param string $value 要生成圖片的字符串
* @param string $key 生成圖片的標識關鍵字，默認與$value相同
* @param bool $force 是否強制重新生成圖片，默認為false
* @param int $rlength 如果指定，將對字符串進行截斷，使其長度不超過此參數
* @return string 返回圖片的URL地址
*/
function stringtopic($value, $key = '', $force = false, $rlength = 0) {
if($key === '') {
$key = $value; // 如果未指定$key，則使用$value作為$key
}
// 計算圖片存儲路徑和URL
$basedir = !getglobal('setting/attachdir') ? './data/attachment' : getglobal('setting/attachdir');
$url = !getglobal('setting/attachurl') ? './data/attachment/' : getglobal('setting/attachurl');
$subdir1 = substr(md5($key), 0, 2);
$subdir2 = substr(md5($key), 2, 2);
$target = 'temp/'.$subdir1.'/'.$subdir2.'/';
$targetname = substr(md5($key), 8, 16).'.png';
discuz_upload::check_dir_exists('temp', $subdir1, $subdir2); // 檢查目錄是否存在，不存在則創建
// 檢查是否需要重新生成圖片
if(!$force && file_exists($basedir.'/'.$target.$targetname)) {
return $url.$target.$targetname; // 如果存在則直接返回圖片URL
}
$value = str_replace("\n", '', $value); // 去除字符串中的換行符
// 默認字體設置
$fontfile = $fontname = '';
$ttfenabled = false;
$size = 10;
$w = 130;
$rowh = 25;
// 處理字符串，按換行符分割
$value = explode("\r", $value);
// 如果指定了最大長度，則對字符串進行截斷
if($rlength) {
$temp = array();
foreach($value as $str) {
$strlen = dstrlen($str);
if($strlen > $rlength) {
for($i = 0; $i < $strlen; $i++) {
$sub = cutstr($str, $rlength, '');
$temp[] = $sub;
$str = substr($str, strlen($sub));
$strlen = $strlen - $rlength;
}
} else {
$temp[] = $str;
}
}
$value = $temp;
unset($temp);
}
// 使用TrueType字體繪制文本
if(function_exists('imagettftext')) {
$fontroot = DISCUZ_ROOT.'./static/image/seccode/font/ch/';
$dirs = opendir($fontroot);
while($entry = readdir($dirs)) {
if($entry != '.' && $entry != '..' && in_array(strtolower(fileext($entry)), array('ttf', 'ttc'))) {
$fontname = $entry;
break;
}
}
if(!empty($fontname)) {
$fontfile = DISCUZ_ROOT.'./static/image/seccode/font/ch/'.$fontname;
}
if($fontfile) {
if(strtoupper(CHARSET) != 'UTF-8') {
include DISCUZ_ROOT.'./source/class/class_chinese.php';
$cvt = new Chinese(CHARSET, 'utf8');
$value = $cvt->Convert(implode("\r", $value));
$value = explode("\r", $value);
}
$ttfenabled = true;
}
}
// 計算文本的寬度和高度
foreach($value as $str) {
if($ttfenabled) {
$box = imagettfbbox($size, 0, $fontfile, $str);
$height = max($box[1], $box[3]) - min($box[5], $box[7]);
$len = (max($box[2], $box[4]) - min($box[0], $box[6]));
$rowh = max(array($height, $rowh));
} else {
$len = strlen($str) * 12;
}
$w = max(array($len, $w));
}
$h = $rowh * count($value) + count($value) * 2;
// 創建圖片并繪制文本
$im = @imagecreate($w, $h);
$background_color = imagecolorallocate($im, 255, 255, 255); // 設置背景顏色
$text_color = imagecolorallocate($im, 60, 60, 60); // 設置文本顏色
$h = $ttfenabled ? $rowh : 4;
foreach($value as $str) {
if($ttfenabled) {
imagettftext($im, $size, 0, 0, $h, $text_color, $fontfile, $str);
$h += 2;
} else {
imagestring($im, $size, 0, $h, $str, $text_color);
}
$h += $rowh;
}
imagepng($im, $basedir.'/'.$target.$targetname); // 保存圖片
imagedestroy($im);
return $url.$target.$targetname; // 返回圖片URL
}
/**
* 獲取回復背景樣式
*
* 根據用戶設置或全局設置, 獲取并返回回復內容的背景圖片樣式。
*
* @param string $replybg 用戶自定義的回復背景圖片名稱。
* @return string 返回背景圖片的樣式字符串，如果沒有設置，則返回空字符串。
*/
function getreplybg($replybg = '') {
global $_G;
$style = '';
// 檢查是否允許自定義回復背景
if(getglobal('setting/allowreplybg')) {
// 處理用戶自定義回復背景
if($replybg) {
$bgurl = $replybg;
// 檢查文件是否存在，確保附件URL正確
if(file_exists($_G['setting']['attachurl'].'common/'.$replybg)) {
$bgurl = $_G['setting']['attachurl'].'common/'.$replybg;
}
// 處理全局默認回復背景
} elseif($_G['setting']['globalreplybg']) {
$bgurl = $_G['setting']['globalreplybg'];
// 檢查文件是否存在，確保附件URL正確
if(file_exists($_G['setting']['attachurl'].'common/'.$_G['setting']['globalreplybg'])) {
$bgurl = $_G['setting']['attachurl'].'common/'.$_G['setting']['globalreplybg'];
}
}
// 如果設置了背景圖片，則生成樣式字符串
if($bgurl) {
$style = ' style="background-image: url('.$bgurl.');"';
}
}
return $style;
}
/**
* 安全過濾數據
*
* 對數組或字符串進行安全過濾，替換BBCODE為HTML標簽，并移除潛在的XSS攻擊向量。
*
* @param &$data 需要進行安全過濾的數據，可以是數組或字符串。
*/
function safefilter(&$data) {
if(is_array($data)) {
// 遞歸處理數組中的每個元素
foreach($data as $k => $v) {
safefilter($data[$k]);
}
} else {
// 替換和清理特定的BBCODE以及HTML標簽，避免XSS攻擊
$data = str_replace(array(
'[/color]', '[b]', '[/b]', '[s]', '[/s]', '[i]', '[/i]', '[u]', '[/u]',
), array(
'</font>', '<b>', '</b>', '<strike>', '</strike>', '<i>', '</i>', '<u>', '</u>'
), preg_replace(array(
"/\[color=([#\w]+?)\]/i",
"/\[color=((rgb|rgba)\([\d\s\.,]+?\))\]/i",
), array(
"<font color=\"\\1\">",
"<font style=\"color:\\1\">",
), strip_tags($data)));
}
}
?>
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