firefly-iii/app/Validation/FireflyValidator.php
2017-01-30 16:35:41 +01:00

547 lines
15 KiB
PHP

<?php
/**
* FireflyValidator.php
* Copyright (C) 2016 thegrumpydictator@gmail.com
*
* This software may be modified and distributed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International License.
*
* See the LICENSE file for details.
*/
declare(strict_types = 1);
namespace FireflyIII\Validation;
use Config;
use Crypt;
use DB;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountMeta;
use FireflyIII\Models\AccountType;
use FireflyIII\Models\Budget;
use FireflyIII\Models\PiggyBank;
use FireflyIII\Models\TransactionType;
use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
use FireflyIII\Rules\Triggers\TriggerInterface;
use FireflyIII\User;
use Google2FA;
use Illuminate\Contracts\Encryption\DecryptException;
use Illuminate\Contracts\Translation\Translator;
use Illuminate\Validation\Validator;
use Session;
/**
* Class FireflyValidator
*
* @package FireflyIII\Validation
*/
class FireflyValidator extends Validator
{
/**
* @param Translator $translator
* @param array $data
* @param array $rules
* @param array $messages
* @param array $customAttributes
*
*/
public function __construct(Translator $translator, array $data, array $rules, array $messages = [], array $customAttributes = [])
{
parent::__construct($translator, $data, $rules, $messages, $customAttributes);
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
*
* @return bool
*
*/
public function validate2faCode($attribute, $value): bool
{
if (!is_string($value) || is_null($value) || strlen($value) <> 6) {
return false;
}
$secret = Session::get('two-factor-secret');
return Google2FA::verifyKey($secret, $value);
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
* @param $parameters
*
* @return bool
*/
public function validateBelongsToUser($attribute, $value, $parameters): bool
{
$field = $parameters[1] ?? 'id';
if (intval($value) === 0) {
return true;
}
$count = DB::table($parameters[0])->where('user_id', auth()->user()->id)->where($field, $value)->count();
if ($count === 1) {
return true;
}
return false;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
*
* @return bool
*
*/
public function validateBic($attribute, $value): bool
{
$regex = '/^[a-z]{6}[0-9a-z]{2}([0-9a-z]{3})?\z/i';
$result = preg_match($regex, $value);
if ($result === false) {
return false;
}
if ($result === 0) {
return false;
}
return true;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
*
*
* @return bool
*/
public function validateIban($attribute, $value): bool
{
if (!is_string($value) || is_null($value) || strlen($value) < 6) {
return false;
}
$value = strtoupper($value);
$search = [' ', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
$replace = ['', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31',
'32', '33', '34', '35'];
// take
$first = substr($value, 0, 4);
$last = substr($value, 4);
$iban = $last . $first;
$iban = str_replace($search, $replace, $iban);
$checksum = bcmod($iban, '97');
return (intval($checksum) === 1);
}
/**
* @param $attribute
* @param $value
* @param $parameters
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @return bool
*/
public function validateMore($attribute, $value, $parameters): bool
{
$compare = $parameters[0] ?? '0';
return bccomp($value, $compare) > 0;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
* @param $parameters
*
* @return bool
*/
public function validateMustExist($attribute, $value, $parameters): bool
{
$field = $parameters[1] ?? 'id';
if (intval($value) === 0) {
return true;
}
$count = DB::table($parameters[0])->where($field, $value)->count();
if ($count === 1) {
return true;
}
return false;
}
/**
* @param $attribute
*
* @return bool
*/
public function validateRuleActionValue($attribute): bool
{
// get the index from a string like "rule-action-value.2".
$parts = explode('.', $attribute);
$index = $parts[count($parts) - 1];
// loop all rule-actions.
// check if rule-action-value matches the thing.
if (is_array($this->data['rule-action'])) {
$name = $this->data['rule-action'][$index] ?? 'invalid';
$value = $this->data['rule-action-value'][$index] ?? false;
switch ($name) {
default:
return true;
case 'set_budget':
/** @var BudgetRepositoryInterface $repository */
$repository = app(BudgetRepositoryInterface::class);
$budgets = $repository->getBudgets();
// count budgets, should have at least one
$count = $budgets->filter(
function (Budget $budget) use ($value) {
return $budget->name == $value;
}
)->count();
return ($count === 1);
case 'invalid':
return false;
}
}
return false;
}
/**
* @param $attribute
*
* @return bool
*/
public function validateRuleTriggerValue($attribute): bool
{
// get the index from a string like "rule-trigger-value.2".
$parts = explode('.', $attribute);
$index = $parts[count($parts) - 1];
// loop all rule-triggers.
// check if rule-value matches the thing.
if (is_array($this->data['rule-trigger'])) {
$name = $this->getRuleTriggerName($index);
$value = $this->getRuleTriggerValue($index);
// break on some easy checks:
switch ($name) {
case 'amount_less':
$result = is_numeric($value);
if ($result === false) {
return false;
}
break;
case 'transaction_type':
$count = TransactionType::where('type', $value)->count();
if (!($count === 1)) {
return false;
}
break;
case 'invalid':
return false;
}
// still a special case where the trigger is
// triggered in such a way that it would trigger ANYTHING. We can check for such things
// with function willmatcheverything
// we know which class it is so dont bother checking that.
$classes = Config::get('firefly.rule-triggers');
/** @var TriggerInterface $class */
$class = $classes[$name];
return !($class::willMatchEverything($value));
}
return false;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
* @param $parameters
*
*
* @return bool
*/
public function validateUniqueAccountForUser($attribute, $value, $parameters): bool
{
// because a user does not have to be logged in (tests and what-not).
if (!auth()->check()) {
return $this->validateAccountAnonymously();
}
if (isset($this->data['what'])) {
return $this->validateByAccountTypeString($value, $parameters);
}
if (isset($this->data['account_type_id'])) {
return $this->validateByAccountTypeId($value, $parameters);
}
if (isset($this->data['id'])) {
return $this->validateByAccountId($value);
}
return false;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
* @param $parameters
*
* @return bool
*/
public function validateUniqueAccountNumberForUser($attribute, $value, $parameters): bool
{
$accountId = $this->data['id'] ?? 0;
$query = AccountMeta::leftJoin('accounts', 'accounts.id', '=', 'account_meta.account_id')
->where('accounts.user_id', auth()->user()->id)
->where('account_meta.name', 'accountNumber');
if (intval($accountId) > 0) {
// exclude current account from check.
$query->where('account_meta.account_id', '!=', intval($accountId));
}
$set = $query->get(['account_meta.*']);
/** @var AccountMeta $entry */
foreach ($set as $entry) {
if ($entry->data == $value) {
return false;
}
}
return true;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* Validate an object and its unicity. Checks for encryption / encrypted values as well.
*
* parameter 0: the table
* parameter 1: the field
* parameter 2: an id to ignore (when editing)
*
* @param $attribute
* @param $value
* @param $parameters
*
*
* @return bool
*/
public function validateUniqueObjectForUser($attribute, $value, $parameters): bool
{
$value = $this->tryDecrypt($value);
// exclude?
$table = $parameters[0];
$field = $parameters[1];
$exclude = $parameters[2] ?? 0;
// get entries from table
$set = DB::table($table)->where('user_id', auth()->user()->id)
->where('id', '!=', $exclude)->get([$field]);
foreach ($set as $entry) {
$fieldValue = $this->tryDecrypt($entry->$field);
if ($fieldValue === $value) {
return false;
}
}
return true;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @param $attribute
* @param $value
* @param $parameters
*
* @return bool
*/
public function validateUniquePiggyBankForUser($attribute, $value, $parameters): bool
{
$exclude = $parameters[0] ?? null;
$query = DB::table('piggy_banks')->whereNull('piggy_banks.deleted_at')
->leftJoin('accounts', 'accounts.id', '=', 'piggy_banks.account_id')->where('accounts.user_id', auth()->user()->id);
if (!is_null($exclude)) {
$query->where('piggy_banks.id', '!=', $exclude);
}
$set = $query->get(['piggy_banks.*']);
/** @var PiggyBank $entry */
foreach ($set as $entry) {
$fieldValue = $this->tryDecrypt($entry->name);
if ($fieldValue == $value) {
return false;
}
}
return true;
}
/**
* @param int $index
*
* @return string
*/
private function getRuleTriggerName($index): string
{
return $this->data['rule-trigger'][$index] ?? 'invalid';
}
/**
* @param int $index
*
* @return string
*/
private function getRuleTriggerValue($index): string
{
return $this->data['rule-trigger-value'][$index] ?? '';
}
/**
* @param $value
*
* @return mixed
*/
private function tryDecrypt($value)
{
try {
$value = Crypt::decrypt($value);
} catch (DecryptException $e) {
// do not care.
}
return $value;
}
/**
* @return bool
*/
private function validateAccountAnonymously(): bool
{
if (!isset($this->data['user_id'])) {
return false;
}
$user = User::find($this->data['user_id']);
$type = AccountType::find($this->data['account_type_id'])->first();
$value = $this->tryDecrypt($this->data['name']);
$set = $user->accounts()->where('account_type_id', $type->id)->get();
/** @var Account $entry */
foreach ($set as $entry) {
if ($entry->name == $value) {
return false;
}
}
return true;
}
/**
* @param $value
*
* @return bool
*
*/
private function validateByAccountId($value): bool
{
/** @var Account $existingAccount */
$existingAccount = Account::find($this->data['id']);
$type = $existingAccount->accountType;
$ignore = $existingAccount->id;
$value = $this->tryDecrypt($value);
$set = auth()->user()->accounts()->where('account_type_id', $type->id)->where('id', '!=', $ignore)->get();
/** @var Account $entry */
foreach ($set as $entry) {
if ($entry->name == $value) {
return false;
}
}
return true;
}
/**
* @param $value
* @param $parameters
*
* @return bool
*/
private function validateByAccountTypeId($value, $parameters): bool
{
$type = AccountType::find($this->data['account_type_id'])->first();
$ignore = $parameters[0] ?? 0;
$value = $this->tryDecrypt($value);
$set = auth()->user()->accounts()->where('account_type_id', $type->id)->where('id', '!=', $ignore)->get();
/** @var Account $entry */
foreach ($set as $entry) {
if ($entry->name == $value) {
return false;
}
}
return true;
}
/**
* @param $value
* @param $parameters
*
* @return bool
*/
private function validateByAccountTypeString($value, $parameters): bool
{
$search = Config::get('firefly.accountTypeByIdentifier.' . $this->data['what']);
$type = AccountType::whereType($search)->first();
$ignore = $parameters[0] ?? 0;
$set = auth()->user()->accounts()->where('account_type_id', $type->id)->where('id', '!=', $ignore)->get();
/** @var Account $entry */
foreach ($set as $entry) {
if ($entry->name == $value) {
return false;
}
}
return true;
}
}