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Add forbidden word filter #35

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Add forbidden word filter #35

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afb4431
Update CensorWords.php
cercos Aug 28, 2016
692f68d
Update en-base.php
cercos Aug 28, 2016
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24 changes: 20 additions & 4 deletions src/CensorWords.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
class CensorWords
{
public $badwords;
public $forbiddenWords;

/*
* When the dictionary is loaded, a ton of regular expression strings are generated
Expand All @@ -29,8 +30,10 @@ public function __construct() {
* string
*/
public function setDictionary($dictionary) {

$this->badwords = $this->readBadWords($dictionary);

$words = $this->readBadWords($dictionary);
$this->badwords = $words['badwords'];
$this->forbiddenWords = $words['forbiddenWords'];
}

/**
Expand All @@ -43,7 +46,9 @@ public function setDictionary($dictionary) {
*/
public function addDictionary($dictionary) {

$this->badwords = array_merge($this->badwords, $this->readBadWords($dictionary));
$words = $this->readBadWords($dictionary);
$this->badwords = array_merge($this->badwords, $words['badwords']);
$this->forbiddenWords = array_merge($this->forbiddenWords, $words['forbiddenWords']);
}

/**
Expand All @@ -54,6 +59,7 @@ public function addDictionary($dictionary) {
*/
private function readBadWords($dictionary) {
$badwords = array();
$forbiddenWords = [];
$baseDictPath = __DIR__ . DIRECTORY_SEPARATOR .'dict/';

if (is_array($dictionary)) {
Expand All @@ -77,7 +83,12 @@ private function readBadWords($dictionary) {
}
}

return $badwords;
$wordList = [
'badwords' => $badwords,
'forbiddenWords' => $forbiddenWords
];

return $wordList;
}

/**
Expand Down Expand Up @@ -112,6 +123,7 @@ public function randCensor($chars, $len) {
private function generateCensorChecks($fullWords = false) {

$badwords = $this->badwords;
$forbiddenWords = $this->forbiddenWords;

// generate censor checks as soon as we load the dictionary
// utilize leet equivalents as well
Expand Down Expand Up @@ -147,6 +159,10 @@ private function generateCensorChecks($fullWords = false) {
for ($x=0; $x<count($badwords); $x++) {
$censorChecks[$x] = $fullWords ? '/\b'.str_ireplace(array_keys($leet_replace),array_values($leet_replace), $badwords[$x]).'\b/i'
: '/'.str_ireplace(array_keys($leet_replace),array_values($leet_replace), $badwords[$x]).'/i';
if(in_array($badwords[$x], $forbiddenWords, true)) {
$censorChecks[$x] = '/'.str_ireplace(array_keys($leet_replace),array_values($leet_replace), $badwords[$x]).'/i';
}

}

$this->censorChecks = $censorChecks;
Expand Down
6 changes: 5 additions & 1 deletion src/dict/en-base.php
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Original file line number Diff line number Diff line change
Expand Up @@ -41,4 +41,8 @@
'vagina',
'vulva',
'wank'
);
);
array_push($forbiddenWords ,
'fuck',
'shit'
);