discuz源代码详解（5）.doc

discuz源代码详解（5）2009-03-07 14:42以下内容为程序代码:/* 发送PM的函数* para int $toid 对方id* para string $subject PM主题* para int $fromid 发送方id* para string $from 发送方用户名*/function sendpm($toid, $subject, $message, $fromid = , $from = ) extract($GLOBALS, EXTR_SKIP); include language(pms); if(isset($language$subject) eval($subject = addslashes(.$language$subject.);); if(isset($language$message) eval($message = addslashes(.$language$message.);); if(!$fromid & !$from) $fromid = $discuz_uid; $from = $discuz_user; $pmids = array(); foreach(explode(, $toid) as $uid) if(is_numeric($uid) $query = $db-query(INSERT INTO $tableprepms (msgfrom, msgfromid, msgtoid, folder, new, subject, dateline, message) VALUES ($from, $fromid, $uid, inbox, 1, $subject, $timestamp, $message); if($query) $pmids = $uid; if($toid = implodeids($pmids) $db-query(UPDATE $tablepremembers SET newpm=1 WHERE uid IN ($toid); 以下内容为程序代码:/* 大家熟悉的showmesage终于出现！包含了ajax效果了* para string $message 显示在跳转页面的信息，比如：您已成功登陆* para string $url_forword 下一个url，过三秒会自动跳转过去* para string $extra 这个用来控制一些特殊的显示，比如：HALTED, NOPERM，这样可以控制一些特殊场合，Discuz想得真是太全面了！*/function showmessage($message, $url_forward = , $extra = ) extract($GLOBALS, EXTR_SKIP); global $extrahead, $discuz_action, $debuginfo, $seccode, $fid, $tid, $supe_fromsupesite, $supe_jumpurl, $supe, $charset, $show_message, $_DCACHE; $supe_messagetpl = $supe_error = ; $show_message = $message; $msgforward = unserialize($_DCACHEsettingsmsgforward); $msgforwardrefreshtime = intval($msgforwardrefreshtime); $url_forward = empty($url_forward) ? : (empty($_DCOOKIEsid) & $transsidstatus ? transsid($url_forward) : $url_forward); if($supe_fromsupesite & $supestatus) $supe_messagetpl = supesite_; $extra = ; $supe_error = $url_forward ? false : true; $url_forward = !empty($supe_jumpurl) & !$supe_error ? urldecode($supe_jumpurl) : $url_forward; elseif($url_forward & empty($_GETinajax) & $msgforwardquick & $msgforwardmessages & in_array($message, $msgforwardmessages) updatesession(); dheader(location: .str_replace(&, &, $url_forward); if(in_array($extra, array(HALTED, NOPERM) $fid = $tid = 0; $discuz_action = 254; else $discuz_action = 255; include language(messages); /把message这个语言包加了进来 if(isset($language$message) $supe_pre = $supe_fromsupesite ? supe_ : ; eval($show_message = .($language$supe_pre.$message ? $language$supe_pre.$message : $language$message).;); unset($supe_pre); ajaxtemplate(showmessage_ajax); $extrahead .= $url_forward ? : ; if($advlist = $advlistredirect) foreach($advlist AS $type = $redirectadvs) $advlist$type = $redirectadvsarray_rand($redirectadvs); if($extra = NOPERM & !$passport_status) /get secure code checking status (pos. -2) if($seccodecheck = substr(sprintf(%05b, $seccodestatus), -2, 1) $seccode = random(6, 1) + $seccode0 * 1000000; include template(nopermission); else include template($supe_messagetpl.showmessage); dexit();以下内容为程序代码:/* 用来计算星星月亮太阳显示的* para $num 等级数* */function showstars($num) global $starthreshold; $alt = alt=Rank: .$num.; if(empty($starthreshold) for($i = 0; $i $num; $i+) echo ; else for($i = 3; $i 0; $i-) $numlevel = intval($num / pow($starthreshold, ($i - 1); $num = ($num % pow($starthreshold, ($i - 1); for($j = 0; $j $numlevel; $j+) echo ; 以下内容为程序代码:/* 得到站点* return string 如: */function site() return $_SERVERHTTP_HOST;以下内容为程序代码:/* 这个看成函数重载也无妨，功能就是查找$haystack是不是在$needle中存在* para string $haystack* para string $needle* return boolean*/function strexists($haystack, $needle) return !(strpos($haystack, $needle) = FALSE);以下内容为程序代码:/* 验证码转换，具体功能用处还没研究* para string $seccode 验证码*/function seccodeconvert(&$seccode) $seccode = substr($seccode, -6); $s = sprintf(%04s, base_convert($seccode, 10, 24); $seccode = ; $seccodeunits = BCEFGHJKMPQRTVWXY2346789; for($i = 0; $i = 0x30 & $unit = 0x39) ? $seccodeunits$unit - 0x30 : $seccodeunits$unit - 0x57; 以下内容为程序代码:/* 提交后的检查，主要是检查验证码，安全提问和来路是不是正常。* para string $var 存放在全局变量中的下标* para int $allowget 是不是允许get提交* para int $seccodecheck 验证码检查* para int $secqaacheck 安全提问检查* return boolean*/function submitcheck($var, $allowget = 0, $seccodecheck = 0, $secqaacheck = 0) if(empty($GLOBALS$var) return FALSE; else global $_SERVER, $seccode, $seccodeverify, $secanswer, $_DCACHE; if($allowget | ($_SERVERREQUEST_METHOD = POST & $GLOBALSformhash = formhash() & (empty($_SERVERHTTP_REFERER) | preg_replace(/https?:/(:/+).*/i, 1, $_SERVERHTTP_REFERER) = preg_replace(/(:+).*/, 1, $_SERVERHTTP_HOST) if($seccodecheck) $tmp = $seccode0; seccodeconvert($seccode); if(strtoupper($seccodeverify) != $seccode) showmessage(submit_seccode_invalid); $seccode = random(6, 1) + $tmp * 1000000; if($secqaacheck) require_once DISCUZ_ROOT./forumdata/cache/cache_secqaa.php; if(md5($secanswer) != $_DCACHEsecqaasubstr($seccode, 0, 1)answer) showmessage(submit_secqaa_invalid); $seccode = random(1, 1) * 1000000 + substr($seccode, -6); return TRUE; else showmessage(submit_invalid); 以下内容为程序代码:/* 另一个提交检查，检查super site的提交的* para int $allowget 是不是允许get提交* para int $timespan 时间跨度* * return boolean*/function supe_submitcheck($allowget = 0, $timespan = 300) global $supe_seccode, $timestamp, $_DCOOKIE, $supe, $supe_fromsupesite; $supe_hash = isset($_GETsupe_hash) | isset($_POSTsupe_hash) ? (isset($_GETsupe_hash) ? $_GETsupe_hash : $_POSTsupe_hash) : (isset($_DCOOKIEsupe_hash) ? $_DCOOKIEsupe_hash : ); if($supe_fromsupesite & $supestatus & ($allowget | $_SERVERREQUEST_METHOD = POST) & $supe_hash & !empty($supe_seccode) list($check_timestamp, $check_seccode) = explode(t, authcode($supe_hash, DECODE); if($timestamp - $check_timestamp 1 & substr($GLOBALStimestamp, -1) $tplrefresh) if(filemtime($tplfile) filemtime($objfile) require_once DISCUZ_ROOT./include/template.func.php; parse_template($file, $templateid, $tpldir); return $objfile;以下内容为程序代码:/* 得到url中的sid* para string $url* para string tag* para int $wml* return