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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Debugging helper plugin -- records detailed data on POSTs to log
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Sample
* @package StatusNet
* @author Brion Vibber <brionv@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
class PostDebugPlugin extends Plugin
{
/**
* Set to a directory to dump individual items instead of
* sending to the debug log
*/
public $dir=false;
public function onArgsInitialize(&$args)
{
if (isset($_SERVER['REQUEST_METHOD']) &&
$_SERVER['REQUEST_METHOD'] == 'POST') {
$this->doDebug();
}
}
public function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'PostDebug',
'version' => STATUSNET_VERSION,
'author' => 'Brion Vibber',
'homepage' => 'http://status.net/wiki/Plugin:PostDebug',
'rawdescription' =>
_m('Debugging tool to record request details on POST.'));
return true;
}
protected function doDebug()
{
$data = array('timestamp' => gmdate('r'),
'remote_addr' => @$_SERVER['REMOTE_ADDR'],
'url' => @$_SERVER['REQUEST_URI'],
'have_session' => common_have_session(),
'logged_in' => common_logged_in(),
'is_real_login' => common_is_real_login(),
'user' => common_logged_in() ? common_current_user()->nickname : null,
'headers' => $this->getHttpHeaders(),
'post_data' => $this->sanitizePostData($_POST));
$this->saveDebug($data);
}
protected function saveDebug($data)
{
$output = var_export($data, true);
if ($this->dir) {
$file = $this->dir . DIRECTORY_SEPARATOR . $this->logFileName();
file_put_contents($file, $output);
} else {
common_log(LOG_DEBUG, "PostDebug: $output");
}
}
protected function logFileName()
{
$base = common_request_id();
$base = preg_replace('/^(.+?) .*$/', '$1', $base);
$base = str_replace(':', '-', $base);
$base = rawurlencode($base);
return $base;
}
protected function getHttpHeaders()
{
if (function_exists('getallheaders')) {
$headers = getallheaders();
} else {
$headers = array();
$prefix = 'HTTP_';
$prefixLen = strlen($prefix);
foreach ($_SERVER as $key => $val) {
if (substr($key, 0, $prefixLen) == $prefix) {
$header = $this->normalizeHeader(substr($key, $prefixLen));
$headers[$header] = $val;
}
}
}
foreach ($headers as $header => $val) {
if (strtolower($header) == 'cookie') {
$headers[$header] = $this->sanitizeCookies($val);
}
}
return $headers;
}
protected function normalizeHeader($key)
{
return implode('-',
array_map('ucfirst',
explode("_",
strtolower($key))));
}
function sanitizeCookies($val)
{
$blacklist = array(session_name(), 'rememberme');
foreach ($blacklist as $name) {
$val = preg_replace("/(^|;\s*)({$name}=)(.*?)(;|$)/",
"$1$2########$4",
$val);
}
return $val;
}
function sanitizePostData($data)
{
$blacklist = array('password', 'confirm', 'token');
foreach ($data as $key => $val) {
if (in_array($key, $blacklist)) {
$data[$key] = '########';
}
}
return $data;
}
}
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