在应用需要整合ucenter时候需要用到 uc_client 目录，而往往我们并不需要那么多功能，那么有没有简单的方法呢？下面一个文件搞定ucenter 主要接口，包含，注册，登录，退出，同步登录相关接口。
java, c# 可以参考此文件写法。
<?php
/*
功能：精简版本的 ucenter_client，全部走 http 协议，仅支持用户登录注册修改密码等相关基本的接口，一个文件，方便使用。
其他：可以很方便的转换为其他语言。
版权：Copyleft GPL, 您可以任意使用和传播甚至修改而不用担心跨省追捕。
作者：axiuno(a)gmail.com
支持：http://www.xiuno.com/thread-index-fid-39-tid-663.htm
实例：
<?php
$_SERVER['HTTP_USER_AGENT'] = 'I am eval Internet Explorer!';
$ucconf = array (
'uc_appid' => 2,
'uc_appkey' => '026fsDv7Oil9sdawt3b3vz1j7cvVQiYWIECUi4CmxlPgvnEZtO6svxwGmk4mimQ6YlDsgfLz9ke91j9PDrEUd3YR3nwYI+CCnTGk0W6dQzOytnuxvk4qYm5tLQ',
'uc_url' => 'http://xiuno.com/dz7/uc_server/',
'uc_charset' => 'UTF-8',
);
$s = uc_user_register('xxxa', 'xxxa', 'xxxa@gmail.com');
$arr = uc_user_login('xxxa', 'xxxa');
$arr = uc_get_user('xxxa');
$arr = uc_user_synlogin(1);
print_r($arr);
?>
*/
function uc_user_login($username, $password) {
$username = urlencode(uc_charset($username));
$password = urlencode($password);
if(strpos($username, '@') === FALSE) {
$s = uc_http_request('user', 'login', "username=$username&password=$password&isuid=3");// username
} else {
$s = uc_http_request('user', 'login', "username=$username&password=$password&isuid=2");// email
}
if(strpos($s, 'Access denied for agent changed') !== FALSE) {
return '可能 APPKEY 没有设置正确。';
}
$arr = uc_xml_to_array($s);
if(is_array($arr)) {
return array (
'status'=>$arr[0],
'username'=>uc_charset($arr[1], 0),
'password'=>$arr[2],
'email'=>$arr[3],
'merge'=>$arr[4]
);
} else {
return $arr;
}
}
/*
ucenter 返回：
<?xml version="1.0" encoding="ISO-8859-1"?>
<root>
<item id="0"><![CDATA[4]]></item>
<item id="1"><![CDATA[abcde]]></item>
<item id="2"><![CDATA[abcde@gmail.com]]></item>
</root>
正则替换后返回：
Array
(
[0] => 4
[1] => abcde
[2] => abcde@gmail.com
)
*/
function uc_xml_to_array($s) {
if(strpos($s, '<root>') !== FALSE) {
preg_match_all('#<item id="(\w+)"><!\[CDATA\[([^]]*?)\]\]></item>#is', $s, $m);
if(!empty($m[1])) {
foreach($m[1] as $k=>$v) {
$arr[$v] = $m[2][$k];
}
return $arr;
}
}
return $s;
}
/*
同步登录：
返回一个数组，包含其他应用的 js 路径，格式大致如：
array (
0 => 'http://www.domain1.com/api/uc.php?auth=xxxxxx&action=rsynlogin',
1 => 'http://www.domain2.com/api/uc.php?auth=xxxxxx&action=rsynlogin',
2 => 'http://www.domain3.com/api/uc.php?auth=xxxxxx&action=rsynlogin',
)
接收到后 <script src="http://xxx"></script> 放入HTML页面，使其发送HTTP请求，完成其他应用的 cookie 设置，实现同步登录。同步退出同理。
*/
function uc_user_synlogin($uid) {
$s = uc_http_request('user', 'synlogin', "uid=$uid");
preg_match_all('#<script type="text/javascript" src="([^"]+")#is', $s, $m);
return isset($m[1]) ? $m[1] : $s;
}
/*
同步退出：同上
*/
function uc_user_synlogout() {
$s = uc_http_request('user', 'synlogout', '');
preg_match_all('#<script type="text/javascript" src="([^"]+)"#is', $s, $m);
return isset($m[1]) ? $m[1] : $s;
}
// 修改密码
function uc_user_updatepw($username, $newpw) {
$username = urlencode(uc_charset($username));
$newpw = urlencode($newpw);
return uc_http_request('user', 'edit', "username=$username&newpw=$newpw&ignoreoldpw=1");
}
// 删除用户
function uc_user_delete($uid) {
return uc_http_request('user', 'delete', "uid=$uid");
}
// 注册
function uc_user_register($username, $password, $email) {
$username = urlencode(uc_charset($username));
$password = urlencode($password);
$email = urlencode($email);
$regip = $_SERVER['REMOTE_ADDR'];
return uc_http_request('user', 'register', "username=$username&password=$password&email=$email®ip=$regip");
}
// 获取一个用户，根据用户名。
/*
Array
(
[0] => 5
[1] => xxxa
[2] => xxxa@gmail.com
)
*/
function uc_get_user($username) {
$username = urlencode(uc_charset($username));
$s = uc_http_request('user', 'get_user', "username=$username&isuid=0");
$arr = uc_xml_to_array($s);
if(is_array($arr)) {
return array (
'uid'=>$arr[0],
'username'=>uc_charset($arr[1], 0),
'email'=>$arr[2],
);
} else {
return $s;
}
}
// UTF-8 与 uc 编码互转函数， $to 控制转换方向。
function uc_charset($s, $to = 1) {
global $ucconf;
return $ucconf['uc_charset'] == 'UTF-8' ? $s : iconv($to ? 'UTF-8' : $ucconf['uc_charset'], $to ? $ucconf['uc_charset'] : 'UTF-8', $s);
}
// 修改密码
function uc_http_request($module, $action, $arg='') {
global $ucconf;
$input = urlencode(uc_authcode($arg.'&agent='.md5($_SERVER['HTTP_USER_AGENT'])."&time=".time(), 'ENCODE', $ucconf['uc_appkey']));
substr($ucconf['uc_url'], -1) != '/' && $ucconf['uc_url'] .= '/';
$url = $ucconf['uc_url'].'index.php?'."m=$module&a=$action&inajax=2&release=20091001&input=$input&appid=".$ucconf['uc_appid'];
return xn_get_url($url, 5);
}
// 可逆加密，RC4算法
function uc_authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {
$ckey_length = 4;
$key = md5($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));
}
}
// HTTP REQUEST，不能使用 php 内置的 file_get_contents(), 需要定制 HTTP_USER_AGENT
function xn_get_url($url, $timeout = 5, $post = '', $cookie = '') {
if(function_exists('fsockopen')) {
$limit = 500000;
$ip = '';
$return = '';
$matches = parse_url($url);
if(empty($matches['host'])) {
throw new Exception("$url 格式有误。");
}
$host = $matches['host'];
$path = $matches['path'] ? $matches['path'].(!empty($matches['query']) ? '?'.$matches['query'] : '') : '/';
$port = !empty($matches['port']) ? $matches['port'] : 80;
if(empty($post)) {
$out = "GET $path HTTP/1.0\r\n";
$out .= "Accept: */*\r\n";
$out .= "Accept-Language: zh-cn\r\n";
$out .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
$out .= "Host: $host\r\n";
$out .= "Connection: Close\r\n";
$out .= "Cookie:$cookie\r\n\r\n";
} else {
$out = "POST $path HTTP/1.0\r\n";
$out .= "Accept: */*\r\n";
$out .= "Accept-Language: zh-cn\r\n";
$out .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
$out .= "Host: $host\r\n";
$out .= 'Content-Length: '.strlen($post)."\r\n";
$out .= "Content-Type: application/x-www-form-urlencoded\r\n";
$out .= "Connection: Close\r\n";
$out .= "Cache-Control: no-cache\r\n";
$out .= "Cookie:$cookie\r\n\r\n";
$out .= $post;
}
$host == 'localhost' && $ip = '127.0.0.1';
$fp = @fsockopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout);
if(!$fp) {
return '';
} else {
stream_set_blocking($fp, TRUE);
stream_set_timeout($fp, $timeout);
@fwrite($fp, $out);
$status = stream_get_meta_data($fp);
if(!$status['timed_out']) {
$starttime = time();
while (!feof($fp)) {
if(($header = @fgets($fp)) && ($header == "\r\n" || $header == "\n")) {
break;
}
}
$stop = false;
while(!feof($fp) && !$stop) {
$data = fread($fp, ($limit == 0 || $limit > 8192 ? 8192 : $limit));
$return .= $data;
if($limit) {
$limit -= strlen($data);
$stop = $limit <= 0;
}
if(time() - $starttime > $timeout) break;
}
}
@fclose($fp);
//error_log($url."\r\n", 3, "d:/uc_http.txt");
return $return;
}
} else {
return '';
}
}
?>
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