Viewing file:  BasicGadgetBlacklist.php (1.6 KB) -rwxr-xr-x
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<?php
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* Basic example blacklist class. This class takes a text file with regex
* rules against which URL's are tested.
* The default file location is {$base_path}/blacklist.txt
*
*/
class BasicGadgetBlacklist implements GadgetBlacklist {
private $rules = array();
public function __construct($file = false) {
if (! $file) {
$file = Config::get('base_path') . '/blacklist.txt';
}
if (File::exists($file)) {
$this->rules = explode("\n", @file_get_contents($file));
}
}
/**
* Check the URL against the blacklist rules
*
* @param string $url
* @return boolean is blacklisted or not?
*/
function isBlacklisted($url) {
foreach ($this->rules as $rule) {
if (! empty($rule) && preg_match($rule, $url)) {
return true;
}
}
return false;
}
}
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