Discuz中的同步登錄

2020-03-24 18:18:35

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供稿：網(wǎng)友

意思很明白了，那它是如何實(shí)現(xiàn)的呢？UC/Control/user.php中有一個(gè)onsynlogin方法，這里就是處理同步登錄的。function onsynlogin() {
$this- init_input();
$uid = $this- input('uid');
if($this- app['synlogin']) {
if($this- user = $_ENV['user']- get_user_by_uid($uid)) {
$synstr = '';
foreach($this- cache['apps'] as $appid = $app) {
if($app['synlogin'] $app['appid'] != $this- app['appid']) {
$synstr .= ' script type= text/javascript src= '.$app['url'].'/api/uc.php?time='.$this- time.' code='.urlencode($this- authcode('action=synlogin username='.$this- user['username'].' uid='.$this- user['uid'].' password='.$this- user['password']. time= .$this- time, 'ENCODE', $app['authkey'])).' reload= 1 /script
}
}
return $synstr;
}
}
return '';
} 當(dāng)調(diào)用該方法時(shí)，實(shí)際上會(huì)去調(diào)用該應(yīng)用下api/uc.php文件，將用戶名、密碼及時(shí)間戳做為參數(shù)傳遞。
以上是實(shí)現(xiàn)的第一步。第二步，當(dāng)應(yīng)用接收到UC的請(qǐng)求后，會(huì)調(diào)用uc_note類中的synlogin方法，該方法的核心是送一個(gè)P3P的HTTP頭，然后種下COOKIE。$discuz_auth_key = md5($_DCACHE['settings']['authkey'].$_SERVER['HTTP_USER_AGENT']);
header('P3P: CP= CURa ADMa DEVa PSAo PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR ');
$uid = intval($uid);
$query = $this- db- query( SELECT username, uid, password, secques FROM .$this- tablepre. members WHERE uid='$uid'
if($member = $this- db- fetch_array($query)) {
_setcookie('sid', '', -86400 * 365);
_setcookie('cookietime', $cookietime, 31536000);
_setcookie('auth', _authcode( $member[password]/t$member[secques]/t$member[uid] , 'ENCODE', $discuz_auth_key), $cookietime);
} else {
_setcookie('cookietime', $cookietime, 31536000);
_setcookie('loginuser', $username, $cookietime);
_setcookie('activationauth', _authcode($username, 'ENCODE', $discuz_auth_key), $cookietime);
} 對(duì)于Disucz這種基于COOKIE驗(yàn)證的應(yīng)用來(lái)說(shuō)，就實(shí)現(xiàn)了同步登錄。html教程

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