uc.php

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	$post = uc_unserialize(uc_post_contents());
	$cachefile = DISCUZ_ROOT.'./uc_client/data/cache/badwords.php';
	$fp = fopen($cachefile, 'w');
	$s = "<?php\r\n";
	$s .= '$_CACHE[\'badwords\'] = '.var_export($post, TRUE).";\r\n";
	fwrite($fp, $s);
	fclose($fp);
	exit(API_RETURN_SUCCEED);

} elseif($action == 'updatehosts') {

	!API_UPDATEHOSTS && exit(API_RETURN_FORBIDDEN);

	$post = uc_unserialize(uc_post_contents());
	$cachefile = DISCUZ_ROOT.'./uc_client/data/cache/hosts.php';
	$fp = fopen($cachefile, 'w');
	$s = "<?php\r\n";
	$s .= '$_CACHE[\'hosts\'] = '.var_export($post, TRUE).";\r\n";
	fwrite($fp, $s);
	fclose($fp);
	exit(API_RETURN_SUCCEED);

} elseif($action == 'updateapps') {

	!API_UPDATEAPPS && exit(API_RETURN_FORBIDDEN);

	$post = uc_unserialize(uc_post_contents());
	$UC_API = $post['UC_API'];
	unset($post['UC_API']);

	$cachefile = DISCUZ_ROOT.'./uc_client/data/cache/apps.php';
	$fp = fopen($cachefile, 'w');
	$s = "<?php\r\n";
	$s .= '$_CACHE[\'apps\'] = '.var_export($post, TRUE).";\r\n";
	fwrite($fp, $s);
	fclose($fp);

	if(is_writeable(DISCUZ_ROOT.'./config.inc.php')) {
		$configfile = trim(file_get_contents(DISCUZ_ROOT.'./config.inc.php'));
		$configfile = substr($configfile, -2) == '?>' ? substr($configfile, 0, -2) : $configfile;
		$configfile = preg_replace("/define\('UC_API',\s*'.*?'\);/i", "define('UC_API', '$UC_API');", $configfile);
		if($fp = @fopen(DISCUZ_ROOT.'./config.inc.php', 'w')) {
			@fwrite($fp, trim($configfile));
			@fclose($fp);
		}
	}

	exit(API_RETURN_SUCCEED);

} elseif($action == 'updateclient') {

	!API_UPDATECLIENT && exit(API_RETURN_FORBIDDEN);
	
	$post = uc_unserialize(uc_post_contents());
	$cachefile = DISCUZ_ROOT.'./uc_client/data/cache/settings.php';
	$fp = fopen($cachefile, 'w');
	$s = "<?php\r\n";
	$s .= '$_CACHE[\'settings\'] = '.var_export($post, TRUE).";\r\n";
	fwrite($fp, $s);
	fclose($fp);
	exit(API_RETURN_SUCCEED);


} elseif($action == 'updatecredit') {

	!UPDATECREDIT && exit(API_RETURN_FORBIDDEN);

	require_once DISCUZ_ROOT.'./include/db_'.$database.'.class.php';
	require_once DISCUZ_ROOT.'./forumdata/cache/cache_settings.php';

	$db = new dbstuff;
	$db->connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect, true, $dbcharset);
	unset($dbhost, $dbuser, $dbpw, $dbname, $pconnect);

	$credit = intval($get['credit']);
	$amount = intval($get['amount']);
	$uid = intval($get['uid']);

	$db->query("UPDATE {$tablepre}members SET extcredits$credit=extcredits$credit+'$amount' WHERE uid='$uid'");

	$discuz_user = $db->result_first("SELECT username FROM {$tablepre}members WHERE uid='$uid'");

	$db->query("INSERT INTO {$tablepre}creditslog (uid, fromto, sendcredits, receivecredits, send, receive, dateline, operation)
			VALUES ('$uid', '$discuz_user', '0', '$credit', '0', '$amount', '$timestamp', 'EXC')");
	exit(API_RETURN_SUCCEED);

} elseif($action == 'getcreditsettings') {

	!API_GETCREDITSETTINGS && exit(API_RETURN_FORBIDDEN);

	require_once DISCUZ_ROOT.'./forumdata/cache/cache_settings.php';

	$credits = array();
	foreach($_DCACHE['settings']['extcredits'] as $id => $extcredits) {
		$credits[$id] = array($extcredits['title'], $extcredits['unit']);
	}
	echo uc_serialize($credits);

} elseif($action == 'updatecreditsettings') {

	!API_UPDATECREDITSETTINGS && exit(API_RETURN_FORBIDDEN);

	$outextcredits = array();
	
	foreach($get['credit'] as $appid => $credititems) {
		if($appid == UC_APPID) {
			foreach($credititems as $value) {
				$outextcredits[] = array(
					'appiddesc' => $value['appiddesc'],
					'creditdesc' => $value['creditdesc'],
					'creditsrc' => $value['creditsrc'],
					'title' => $value['title'],
					'unit' => $value['unit'],
					'ratio' => $value['ratio']
				);
			}
		}
	}

	require_once DISCUZ_ROOT.'./include/db_'.$database.'.class.php';
	require_once DISCUZ_ROOT.'./forumdata/cache/cache_settings.php';
	require_once DISCUZ_ROOT.'./include/cache.func.php';

	$db = new dbstuff;
	$db->connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect, true, $dbcharset);
	unset($dbhost, $dbuser, $dbpw, $dbname, $pconnect);

	$db->query("REPLACE INTO {$tablepre}settings (variable, value) VALUES ('outextcredits', '".addslashes(serialize($outextcredits))."');", 'UNBUFFERED');

	$tmp = array();
	foreach($outextcredits as $value) {
		$key = $value['appiddesc'].'|'.$value['creditdesc'];
		if(!isset($tmp[$key])) {
			$tmp[$key] = array('title' => $value['title'], 'unit' => $value['unit']);
		}
		$tmp[$key]['creditsrc'][$value['creditsrc']] = $value['ratio'];
	}
	$_DCACHE['settings']['outextcredits'] = $tmp;
	
	updatesettings();

	exit(API_RETURN_SUCCEED);

} else {

	exit(API_RETURN_FAILED);

}

function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {

	$ckey_length = 4;

	$key = md5($key ? $key : UC_KEY);
	$keya = md5(substr($key, 0, 16));
	$keyb = md5(substr($key, 16, 16));
	$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';

	$cryptkey = $keya.md5($keya.$keyc);
	$key_length = strlen($cryptkey);

	$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;
	$string_length = strlen($string);

	$result = '';
	$box = range(0, 255);

	$rndkey = array();
	for($i = 0; $i <= 255; $i++) {
		$rndkey[$i] = ord($cryptkey[$i % $key_length]);
	}

	for($j = $i = 0; $i < 256; $i++) {
		$j = ($j + $box[$i] + $rndkey[$i]) % 256;
		$tmp = $box[$i];
		$box[$i] = $box[$j];
		$box[$j] = $tmp;
	}

	for($a = $j = $i = 0; $i < $string_length; $i++) {
		$a = ($a + 1) % 256;
		$j = ($j + $box[$a]) % 256;
		$tmp = $box[$a];
		$box[$a] = $box[$j];
		$box[$j] = $tmp;
		$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
	}

	if($operation == 'DECODE') {
		if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
			return substr($result, 26);
		} else {
			return '';
		}
	} else {
		return $keyc.str_replace('=', '', base64_encode($result));
	}

}

function dsetcookie($var, $value, $life = 0, $prefix = 1) {
	global $cookiepre, $cookiedomain, $cookiepath, $timestamp, $_SERVER;
	setcookie(($prefix ? $cookiepre : '').$var, $value,
		$life ? $timestamp + $life : 0, $cookiepath,
		$cookiedomain, $_SERVER['SERVER_PORT'] == 443 ? 1 : 0);
}

function dstripslashes($string) {
	if(is_array($string)) {
		foreach($string as $key => $val) {
			$string[$key] = dstripslashes($val);
		}
	} else {
		$string = stripslashes($string);
	}
	return $string;
}

function uc_serialize($arr, $htmlon = 0) {
	include_once UC_CLIENT_ROOT.'./lib/xml.class.php';
	return xml_serialize($arr, $htmlon);
}

function uc_unserialize($s) {
	include_once UC_CLIENT_ROOT.'./lib/xml.class.php';
	return xml_unserialize($s);
}

function uc_post_contents() {
	return file_get_contents('php://input');
}