✏️ Editing: BlacklistWordRule.php

<?php
/*
 * LaraClassifier - Classified Ads Web Application
 * Copyright (c) BeDigit. All Rights Reserved
 *
 * Website: https://laraclassifier.com
 * Author: BeDigit | https://bedigit.com
 *
 * LICENSE
 * -------
 * This software is furnished under a license and may be used and copied
 * only in accordance with the terms of such license and with the inclusion
 * of the above copyright notice. If you Purchased from CodeCanyon,
 * Please read the full License from here - https://codecanyon.net/licenses/standard
 */

namespace App\Rules;

use App\Models\Blacklist;
use Illuminate\Contracts\Validation\Rule;

class BlacklistWordRule implements Rule
{
	/**
	 * Determine if the validation rule passes.
	 *
	 * @param  string  $attribute
	 * @param  mixed  $value
	 * @return bool
	 */
	public function passes($attribute, $value)
	{
		$words = Blacklist::whereIn('type', ['word', 'domain', 'email'])->get();
		
		$value = trim(mb_strtolower($value));
		if ($this->doesBannedEntryIsContainedInString($words, $value)) {
			return false;
		}
		
		// Remove all HTML tags from the $value and check again
		$value = strip_tags($value);
		if ($this->doesBannedEntryIsContainedInString($words, $value)) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * Does a banned entry is contained in the string
	 *
	 * @param $words
	 * @param $value
	 * @return bool
	 */
	private function doesBannedEntryIsContainedInString($words, $value): bool
	{
		if ($words->count() > 0) {
			foreach ($words as $word) {
				// Check if a ban's word is contained in the user entry
				$startPatten = '\s\-.,;:=/#\|_<>';
				$endPatten = $startPatten . 's';
				try {
					if (preg_match('|[' . $startPatten . '\\\]+' . $word->entry . '[' . $endPatten . '\\\]+|ui', ' ' . $value . ' ')) {
						return true;
					}
				} catch (\Throwable $e) {
					if (preg_match('|[' . $startPatten . ']+' . $word->entry . '[' . $endPatten . ']+|ui', ' ' . $value . ' ')) {
						return true;
					}
				}
			}
		}
		
		return false;
	}
	
	/**
	 * Get the validation error message.
	 *
	 * @return string
	 */
	public function message()
	{
		return trans('validation.blacklist_word_rule');
	}
}

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Ubuntu

Sid Gifari From Gifari Industries - BD Cyber Security Team