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2
false
false
false
EN-US
ZH-CN
X-NONE
MicrosoftInternetExplorer4
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症状：
在ucenter的后台应用管理里修改了设置或者新增了应用后，discuz后台ucenter设置中的ucenter地址会变成空，导致discuz无法正常访问ucenter，具体表现为用户短信无法打开，头像无法显示等。
分析与测试：
Ucenter以xml的方式传递数据给discuz，discuz中相应的负责接收的程序为api/uc.php，该文件中看到这样一句：
$UC_API = $post['UC_API'];
在此处，经测试发现，$post变量的数组值如下：
array (
'item' =>
array (
'0_attr' =>
array (
'id' => '6',
),
0 =>
array (
'item' =>
array (
'0_attr' =>
array (
'id' =>
'appid',
),
0 => '6',
'1_attr' =>
array (
'id' =>
'type',
),
1 =>
'ECSHOP',
'2_attr' =>
array (
'id' =>
'name',
),
2 =>
'ECSHOP 网店',
'3_attr' =>
array (
'id' =>
'url',
),
3 =>
'http://workshop',
'4_attr' =>
array (
'id' =>
'ip',
),
4 => '',
'5_attr' =>
array (
'id' =>
'viewprourl',
),
5 =>
'/space.php?uid=%s',
'6_attr' =>
array (
'id' =>
'apifilename',
),
6 =>
'uc.php',
'7_attr' =>
array (
'id' =>
'charset',
),
7 => 'gbk',
'8_attr' =>
array (
'id' =>
'synlogin',
),
8 => '1',
'9_attr' =>
array (
'id' =>
'extra',
),
9 =>
array (
'item' =>
'',
0 =>
array (
'id' =>
'apppath',
),
),
'10_attr'
=>
array (
'id' =>
'recvnote',
),
10 => '1',
),
),
......
......
......
'6_attr' =>
array (
'id' =>
'UC_API',
),
6 =>
'http://workuchome/ucenter',
),
)
显然，$post['UC_API']得不到任何值。在uc.php中，又将获得的$UC_API写入config.inc.php文件中：
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);
}
}
这样的话，就造成config.inc.php文件中的UC_API变为空：
define('UC_API', '');
解决：
在uchome的api/uc.php中，相应的代码是这样的：
$UC_API = '';
if($post['UC_API']) {
$UC_API
= $post['UC_API'];
unset($post['UC_API']);
}
……
……
if($UC_API &&
is_writeable(S_ROOT.'./config.php')) {
$configfile
= trim(file_get_contents(S_ROOT.'./config.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(S_ROOT.'./config.php', 'w')) {
@fwrite($fp,
trim($configfile));
@fclose($fp);
}
}
可以看出，这样的代码并不会更新config.inc.php文件，当然也不会出问题，故将discuz的uc.php也改为上述形式。
修改后经测试已
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
MicrosoftInternetExplorer4
<w:LsdException Locked="false"
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