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366 lines
14 KiB
PHP
366 lines
14 KiB
PHP
<?php
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namespace App\Providers;
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use App\Models\CustomField;
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use App\Models\Department;
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use App\Models\Setting;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\ServiceProvider;
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use Illuminate\Support\Facades\Validator;
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/**
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* This service provider handles a few custom validation rules.
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*
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* PHP version 5.5.9
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* @version v3.0
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*/
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class ValidationServiceProvider extends ServiceProvider
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{
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/**
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* Custom email array validation
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*
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* @author [A. Gianotto] [<snipe@snipe.net>]
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* @since [v3.0]
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* @return void
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*/
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public function boot()
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{
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// Email array validator
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Validator::extend('email_array', function ($attribute, $value, $parameters, $validator) {
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$value = str_replace(' ', '', $value);
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$array = explode(',', $value);
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foreach ($array as $email) { //loop over values
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$email_to_validate['alert_email'][] = $email;
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}
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$rules = ['alert_email.*'=>'email'];
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$messages = [
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'alert_email.*'=>trans('validation.email_array'),
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];
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$validator = Validator::make($email_to_validate, $rules, $messages);
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return $validator->passes();
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});
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/**
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* Unique only if undeleted.
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*
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* This works around the use case where multiple deleted items have the same unique attribute.
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* (I think this is a bug in Laravel's validator?)
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*
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* $attribute is the FIELDNAME you're checking against
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* $value is the VALUE of the item you're checking against the existing values in the fieldname
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* $parameters[0] is the TABLE NAME you're querying
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* $parameters[1] is the ID of the item you're querying - this makes it work on saving, checkout, etc,
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* since it defaults to 0 if there is no item created yet (new item), but populates the ID if editing
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*
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* The UniqueUndeletedTrait prefills these parameters, so you can just use
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* `unique_undeleted:table,fieldname` in your rules out of the box
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*/
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Validator::extend('unique_undeleted', function ($attribute, $value, $parameters, $validator) {
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if (count($parameters)) {
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// This is a bit of a shim, but serial doesn't have any other rules around it other than that it's nullable
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if (($parameters[0]=='assets') && ($attribute == 'serial') && (Setting::getSettings()->unique_serial != '1')) {
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return true;
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}
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$count = DB::table($parameters[0])
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->select('id')
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->where($attribute, '=', $value)
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->whereNull('deleted_at')
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->where('id', '!=', $parameters[1])->count();
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return $count < 1;
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}
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});
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/**
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* Unique if undeleted for two columns
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*
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* Same as unique_undeleted but taking the combination of two columns as unique constrain.
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* This uses the Validator::replacer('two_column_unique_undeleted') below for nicer translations.
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*
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* $parameters[0] - the name of the first table we're looking at
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* $parameters[1] - the ID (this will be 0 on new creations)
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* $parameters[2] - the name of the second field we're looking at
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* $parameters[3] - the value that the request is passing for the second table we're
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* checking for uniqueness across
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*
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*/
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Validator::extend('two_column_unique_undeleted', function ($attribute, $value, $parameters, $validator) {
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if (count($parameters)) {
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$count = DB::table($parameters[0])
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->select('id')
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->where($attribute, '=', $value)
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->where('id', '!=', $parameters[1]);
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if ($parameters[3]!='') {
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$count = $count->where($parameters[2], $parameters[3]);
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}
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$count = $count->whereNull('deleted_at')
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->count();
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return $count < 1;
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}
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});
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/**
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* This is the validator replace static method that allows us to pass the $parameters of the table names
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* into the translation string in validation.two_column_unique_undeleted for two_column_unique_undeleted
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* validation messages.
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*
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* This is invoked automatically by Validator::extend('two_column_unique_undeleted') above and
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* produces a translation like: "The name value must be unique across categories and category type."
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*
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* The $parameters passed coincide with the ones the two_column_unique_undeleted custom validator above
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* uses, so $parameter[0] is the first table and so $parameter[2] is the second table.
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*/
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Validator::replacer('two_column_unique_undeleted', function($message, $attribute, $rule, $parameters) {
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$message = str_replace(':table1', $parameters[0], $message);
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$message = str_replace(':table2', $parameters[2], $message);
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// Change underscores to spaces for a friendlier display
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$message = str_replace('_', ' ', $message);
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return $message;
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});
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// Prevent circular references
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//
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// Example usage in Location model where parent_id references another Location:
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//
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// protected $rules = array(
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// 'parent_id' => 'non_circular:locations,id,10'
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// );
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//
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Validator::extend('non_circular', function ($attribute, $value, $parameters, $validator) {
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if (count($parameters) < 2) {
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throw new \Exception('Required validator parameters: <table>,<primary key>[,depth]');
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}
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// Parameters from the rule implementation ($pk will likely be 'id')
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$table = array_get($parameters, 0);
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$pk = array_get($parameters, 1);
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$depth = (int) array_get($parameters, 2, 50);
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// Data from the edited model
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$data = $validator->getData();
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// The primary key value from the edited model
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$data_pk = array_get($data, $pk);
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$value_pk = $value;
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// If we’re editing an existing model and there is a parent value set…
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while ($data_pk && $value_pk) {
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// It’s not valid for any parent id to be equal to the existing model’s id
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if ($data_pk == $value_pk) {
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return false;
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}
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// Avoid accidental infinite loops
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if (--$depth < 0) {
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return false;
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}
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// Get the next parent id
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$value_pk = DB::table($table)->select($attribute)->where($pk, '=', $value_pk)->value($attribute);
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}
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return true;
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});
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// Yo dawg. I heard you like validators.
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// This validates the custom validator regex in custom fields.
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// We're just checking that the regex won't throw an exception, not
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// that it's actually correct for what the user intended.
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Validator::extend('valid_regex', function ($attribute, $value, $parameters, $validator) {
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// Make sure it's not just an ANY format
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if ($value != '') {
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// Check that the string starts with regex:
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if (strpos($value, 'regex:') === false) {
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return false;
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}
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$test_string = 'My hovercraft is full of eels';
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// We have to stip out the regex: part here to check with preg_match
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$test_pattern = str_replace('regex:', '', $value);
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try {
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preg_match($test_pattern, $test_string);
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return true;
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} catch (\Exception $e) {
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return false;
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}
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}
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return true;
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});
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// This ONLY works for create/update user forms, since the Update Profile Password form doesn't
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// include any of these additional validator fields
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Validator::extend('disallow_same_pwd_as_user_fields', function ($attribute, $value, $parameters, $validator) {
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$data = $validator->getData();
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if (array_key_exists('username', $data)) {
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if ($data['username'] == $data['password']) {
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return false;
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}
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}
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if (array_key_exists('email', $data)) {
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if ($data['email'] == $data['password']) {
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return false;
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}
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}
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if (array_key_exists('first_name', $data)) {
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if ($data['first_name'] == $data['password']) {
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return false;
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}
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}
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if (array_key_exists('last_name', $data)) {
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if ($data['last_name'] == $data['password']) {
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return false;
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}
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}
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return true;
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});
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Validator::extend('letters', function ($attribute, $value, $parameters) {
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return preg_match('/\pL/', $value);
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});
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Validator::extend('numbers', function ($attribute, $value, $parameters) {
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return preg_match('/\pN/', $value);
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});
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Validator::extend('case_diff', function ($attribute, $value, $parameters) {
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return preg_match('/(\p{Ll}+.*\p{Lu})|(\p{Lu}+.*\p{Ll})/u', $value);
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});
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Validator::extend('symbols', function ($attribute, $value, $parameters) {
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return preg_match('/\p{Z}|\p{S}|\p{P}/', $value);
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});
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Validator::extend('cant_manage_self', function ($attribute, $value, $parameters, $validator) {
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// $value is the actual *value* of the thing that's being validated
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// $attribute is the name of the field that the validation is running on - probably manager_id in our case
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// $parameters are the optional parameters - an array for everything, split on commas. But we don't take any params here.
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// $validator gives us proper access to the rest of the actual data
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$data = $validator->getData();
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if (array_key_exists('id', $data)) {
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if ($value && $value == $data['id']) {
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// if you definitely have an ID - you're saving an existing user - and your ID matches your manager's ID - fail.
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return false;
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} else {
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return true;
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}
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} else {
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// no 'id' key to compare against (probably because this is a new user)
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// so it automatically passes this validation
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return true;
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}
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});
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Validator::extend('is_unique_department', function ($attribute, $value, $parameters, $validator) {
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$data = $validator->getData();
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if (
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array_key_exists('location_id', $data) && $data['location_id'] !== null &&
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array_key_exists('company_id', $data) && $data['company_id'] !== null
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) {
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//for updating existing departments
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if(array_key_exists('id', $data) && $data['id'] !== null){
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$count = Department::where('name', $data['name'])
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->where('location_id', $data['location_id'])
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->where('company_id', $data['company_id'])
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->whereNotNull('company_id')
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->whereNotNull('location_id')
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->where('id', '!=', $data['id'])
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->count('name');
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return $count < 1;
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}else // for entering in new departments
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{
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$count = Department::where('name', $data['name'])
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->where('location_id', $data['location_id'])
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->where('company_id', $data['company_id'])
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->whereNotNull('company_id')
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->whereNotNull('location_id')
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->count('name');
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return $count < 1;
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}
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}
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else {
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return true;
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}
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});
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Validator::extend('not_array', function ($attribute, $value, $parameters, $validator) {
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return !is_array($value);
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});
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// This is only used in Models/CustomFieldset.php - it does automatic validation for checkboxes by making sure
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// that the submitted values actually exist in the options.
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Validator::extend('checkboxes', function ($attribute, $value, $parameters, $validator){
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$field = CustomField::where('db_column', $attribute)->first();
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$options = $field->formatFieldValuesAsArray();
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if(is_array($value)) {
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$invalid = array_diff($value, $options);
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if(count($invalid) > 0) {
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return false;
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}
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}
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// for legacy, allows users to submit a comma separated string of options
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elseif(!is_array($value)) {
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$exploded = array_map('trim', explode(',', $value));
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$invalid = array_diff($exploded, $options);
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if(count($invalid) > 0) {
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return false;
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}
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}
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return true;
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});
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// Validates that a radio button option exists
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Validator::extend('radio_buttons', function ($attribute, $value) {
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$field = CustomField::where('db_column', $attribute)->first();
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$options = $field->formatFieldValuesAsArray();
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return in_array($value, $options);
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});
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}
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/**
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* Register any application services.
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*
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* @return void
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*/
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public function register()
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{
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}
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}
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