snipe-it/app/Providers/ValidationServiceProvider.php

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<?php
namespace App\Providers;
use DB;
use Illuminate\Support\ServiceProvider;
use Validator;
/**
* This service provider handles a few custom validation rules.
*
* PHP version 5.5.9
* @version v3.0
*/
class ValidationServiceProvider extends ServiceProvider
{
/**
* Custom email array validation
*
* @author [A. Gianotto] [<snipe@snipe.net>]
* @since [v3.0]
* @return void
*/
public function boot()
{
// Email array validator
Validator::extend('email_array', function ($attribute, $value, $parameters, $validator) {
$value = str_replace(' ', '', $value);
$array = explode(',', $value);
foreach ($array as $email) { //loop over values
$email_to_validate['alert_email'][]=$email;
}
$rules = array('alert_email.*'=>'email');
$messages = array(
'alert_email.*'=>trans('validation.email_array')
);
$validator = Validator::make($email_to_validate, $rules, $messages);
return $validator->passes();
});
// Unique only if undeleted
// This works around the use case where multiple deleted items have the same unique attribute.
// (I think this is a bug in Laravel's validator?)
Validator::extend('unique_undeleted', function ($attribute, $value, $parameters, $validator) {
if (count($parameters)) {
$count = DB::table($parameters[0])->select('id')->where($attribute, '=', $value)->whereNull('deleted_at')->where('id', '!=', $parameters[1])->count();
return $count < 1;
}
});
// Yo dawg. I heard you like validators.
// This validates the custom validator regex in custom fields.
// We're just checking that the regex won't throw an exception, not
// that it's actually correct for what the user intended.
Validator::extend('valid_regex', function ($attribute, $value, $parameters, $validator) {
// Make sure it's not just an ANY format
if ($value!='') {
// Check that the string starts with regex:
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if (strpos($value, 'regex:') === false) {
return false;
}
$test_string = 'My hovercraft is full of eels';
// We have to stip out the regex: part here to check with preg_match
$test_pattern = str_replace('regex:','', $value);
try {
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preg_match($test_pattern, $test_string);
return true;
} catch (\Exception $e) {
return false;
}
}
return true;
});
Validator::extend('letters', function ($attribute, $value, $parameters) {
return preg_match('/\pL/', $value);
});
Validator::extend('numbers', function ($attribute, $value, $parameters) {
return preg_match('/\pN/', $value);
});
Validator::extend('case_diff', function ($attribute, $value, $parameters) {
return preg_match('/(\p{Ll}+.*\p{Lu})|(\p{Lu}+.*\p{Ll})/u', $value);
});
Validator::extend('symbols', function ($attribute, $value, $parameters) {
return preg_match('/\p{Z}|\p{S}|\p{P}/', $value);
});
}
/**
* Register any application services.
*
* @return void
*/
public function register()
{
}
}