firefly-iii/app/Validation/FireflyValidator.php
2018-09-26 20:35:01 +02:00

649 lines
19 KiB
PHP

<?php
/**
* FireflyValidator.php
* Copyright (c) 2017 thegrumpydictator@gmail.com
*
* This file is part of Firefly III.
*
* Firefly III is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Firefly III is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
*/
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\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Bill\BillRepositoryInterface;
use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
use FireflyIII\Services\Password\Verifier;
use FireflyIII\TransactionRules\Triggers\TriggerInterface;
use FireflyIII\User;
use Google2FA;
use Illuminate\Contracts\Encryption\DecryptException;
use Illuminate\Support\Collection;
use Illuminate\Validation\Validator;
/**
* Class FireflyValidator.
*/
class FireflyValidator extends Validator
{
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param $attribute
* @param $value
*
* @return bool
*/
public function validate2faCode($attribute, $value): bool
{
if (!\is_string($value) || null === $value || 6 !== \strlen($value)) {
return false;
}
$secret = session('two-factor-secret');
return Google2FA::verifyKey($secret, $value);
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param $attribute
* @param $value
* @param $parameters
*
* @return bool
*/
public function validateBelongsToUser($attribute, $value, $parameters): bool
{
$field = $parameters[1] ?? 'id';
if (0 === (int)$value) {
return true;
}
$count = DB::table($parameters[0])->where('user_id', auth()->user()->id)->where($field, $value)->count();
return 1 === $count;
}
/**
* @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 (false === $result) {
return false;
}
if (0 === $result) {
return false;
}
return true;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param $attribute
* @param $value
*
* @return bool
*/
public function validateIban($attribute, $value): bool
{
if (!\is_string($value) || null === $value || \strlen($value) < 6) {
return false;
}
// strip spaces
$search = [
"\x20", // normal space
"\u{0001}", // start of heading
"\u{0002}", // start of text
"\u{0003}", // end of text
"\u{0004}", // end of transmission
"\u{0005}", // enquiry
"\u{0006}", // ACK
"\u{0007}", // BEL
"\u{0008}", // backspace
"\u{000E}", // shift out
"\u{000F}", // shift in
"\u{0010}", // data link escape
"\u{0011}", // DC1
"\u{0012}", // DC2
"\u{0013}", // DC3
"\u{0014}", // DC4
"\u{0015}", // NAK
"\u{0016}", // SYN
"\u{0017}", // ETB
"\u{0018}", // CAN
"\u{0019}", // EM
"\u{001A}", // SUB
"\u{001B}", // escape
"\u{001C}", // file separator
"\u{001D}", // group separator
"\u{001E}", // record separator
"\u{001F}", // unit separator
"\u{007F}", // DEL
"\u{00A0}", // non-breaking space
"\u{1680}", // ogham space mark
"\u{180E}", // mongolian vowel separator
"\u{2000}", // en quad
"\u{2001}", // em quad
"\u{2002}", // en space
"\u{2003}", // em space
"\u{2004}", // three-per-em space
"\u{2005}", // four-per-em space
"\u{2006}", // six-per-em space
"\u{2007}", // figure space
"\u{2008}", // punctuation space
"\u{2009}", // thin space
"\u{200A}", // hair space
"\u{200B}", // zero width space
"\u{202F}", // narrow no-break space
"\u{3000}", // ideographic space
"\u{FEFF}", // zero width no -break space
];
$replace = '';
$value = str_replace($search, $replace, $value);
$value = strtoupper($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 1 === (int)$checksum;
}
/**
* @param $attribute
* @param $value
* @param $parameters
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @return bool
*/
public function validateLess($attribute, $value, $parameters): bool
{
/** @var mixed $compare */
$compare = $parameters[0] ?? '0';
return bccomp((string)$value, (string)$compare) < 0;
}
/**
* @param $attribute
* @param $value
* @param $parameters
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @return bool
*/
public function validateMore($attribute, $value, $parameters): bool
{
/** @var mixed $compare */
$compare = $parameters[0] ?? '0';
return bccomp((string)$value, (string)$compare) > 0;
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*
* @param $attribute
* @param $value
* @param $parameters
*
* @return bool
*/
public function validateMustExist($attribute, $value, $parameters): bool
{
$field = $parameters[1] ?? 'id';
if (0 === (int)$value) {
return true;
}
$count = DB::table($parameters[0])->where($field, $value)->count();
return 1 === $count;
}
/**
* @param string $attribute
*
* @param string $value
*
* @return bool
*/
public function validateRuleActionValue(string $attribute, string $value = null): bool
{
// first, get the index from this string:
$value = $value ?? '';
$parts = explode('.', $attribute);
$index = (int)($parts[1] ?? '0');
// get the name of the trigger from the data array:
$actionType = $this->data['rule_actions'][$index]['name'] ?? 'invalid';
// if it's "invalid" return false.
if ('invalid' === $actionType) {
return false;
}
// if it's set_budget, verify the budget name:
if ('set_budget' === $actionType) {
/** @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 1 === $count;
}
// if it's link to bill, verify the name of the bill.
if ('link_to_bill' === $actionType) {
/** @var BillRepositoryInterface $repository */
$repository = app(BillRepositoryInterface::class);
$bill = $repository->findByName($value);
return null !== $bill;
}
// if it's convert_transfer, it must be a valid asset account name.
if ('convert_transfer' === $actionType) {
/** @var AccountRepositoryInterface $repository */
$repository = app(AccountRepositoryInterface::class);
$account = $repository->findByName(
$value,
[AccountType::DEFAULT, AccountType::ASSET, AccountType::LOAN, AccountType::DEBT, AccountType::MORTGAGE,
AccountType::CREDITCARD]
);
return null !== $account;
}
// return true for the rest.
return true;
}
/**
* $attribute has the format rule_triggers.%d.value.
*
* @param string $attribute
* @param string $value
*
* @return bool
*/
public function validateRuleTriggerValue(string $attribute, string $value): bool
{
//
// first, get the index from this string:
$parts = explode('.', $attribute);
$index = (int)($parts[1] ?? '0');
// get the name of the trigger from the data array:
$triggerType = $this->data['rule_triggers'][$index]['name'] ?? 'invalid';
// invalid always returns false:
if ('invalid' === $triggerType) {
return false;
}
// these trigger types need a numerical check:
$numerical = ['amount_less', 'amount_more', 'amount_exactly'];
if (\in_array($triggerType, $numerical, true)) {
return is_numeric($value);
}
// these trigger types need a simple strlen check:
$length = ['from_account_starts', 'from_account_ends', 'from_account_is', 'from_account_contains', 'to_account_starts', 'to_account_ends',
'to_account_is', 'to_account_contains', 'description_starts', 'description_ends', 'description_contains', 'description_is', 'category_is',
'budget_is', 'tag_is', 'currency_is', 'notes_contain', 'notes_start', 'notes_end', 'notes_are',];
if (\in_array($triggerType, $length, true)) {
return '' !== $value;
}
// check transaction type.
if ('transaction_type' === $triggerType) {
$count = TransactionType::where('type', strtolower($value))->count();
return 1 === $count;
}
// and finally a "will match everything check":
$classes = app('config')->get('firefly.rule-triggers');
/** @var TriggerInterface $class */
$class = $classes[$triggerType] ?? false;
if (false === $class) {
return false;
}
return !$class::willMatchEverything($value);
}
/**
* @param $attribute
* @param $value
*
* @return bool
*/
public function validateSecurePassword($attribute, $value): bool
{
$verify = false;
if (isset($this->data['verify_password'])) {
$verify = 1 === (int)$this->data['verify_password'];
}
if ($verify) {
/** @var Verifier $service */
$service = app(Verifier::class);
return $service->validPassword($value);
}
return true;
}
/**
* @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, $this->data['what']);
}
if (isset($this->data['type'])) {
return $this->validateByAccountTypeString($value, $parameters, $this->data['type']);
}
if (isset($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
{
$accountId = (int)($this->data['id'] ?? 0.0);
if (0 === $accountId) {
$accountId = (int)($parameters[0] ?? 0.0);
}
$query = AccountMeta::leftJoin('accounts', 'accounts.id', '=', 'account_meta.account_id')
->whereNull('accounts.deleted_at')
->where('accounts.user_id', auth()->user()->id)
->where('account_meta.name', 'accountNumber');
if ($accountId > 0) {
// exclude current account from check.
$query->where('account_meta.account_id', '!=', $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);
[$table, $field] = $parameters;
$exclude = (int)($parameters[2] ?? 0.0);
/*
* If other data (in $this->getData()) contains
* ID field, set that field to be the $exclude.
*/
$data = $this->getData();
if (!isset($parameters[2]) && isset($data['id']) && (int)$data['id'] > 0) {
$exclude = (int)$data['id'];
}
// get entries from table
$set = DB::table($table)->where('user_id', auth()->user()->id)->whereNull('deleted_at')
->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 (null !== $exclude) {
$query->where('piggy_banks.id', '!=', (int)$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 $value
*
* @return mixed
*/
private function tryDecrypt($value)
{
try {
$value = Crypt::decrypt($value);
} catch (DecryptException $e) {
//Log::debug(sprintf('Could not decrypt. %s', $e->getMessage()));
}
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);
/** @var Collection $set */
$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();
$ignore = (int)($parameters[0] ?? 0.0);
$value = $this->tryDecrypt($value);
/** @var Collection $set */
$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 string $value
* @param array $parameters
* @param string $type
*
* @return bool
*/
private function validateByAccountTypeString(string $value, array $parameters, string $type): bool
{
/** @var array $search */
$search = Config::get('firefly.accountTypeByIdentifier.' . $type);
/** @var Collection $accountTypes */
$accountTypes = AccountType::whereIn('type', $search)->get();
$ignore = (int)($parameters[0] ?? 0.0);
$accountTypeIds = $accountTypes->pluck('id')->toArray();
/** @var Collection $set */
$set = auth()->user()->accounts()->whereIn('account_type_id', $accountTypeIds)->where('id', '!=', $ignore)->get();
/** @var Account $entry */
foreach ($set as $entry) {
if ($entry->name === $value) {
return false;
}
}
return true;
}
}