firefly-iii/app/Validation/FireflyValidator.php
2023-04-01 07:04:42 +02:00

883 lines
28 KiB
PHP

<?php
/**
* FireflyValidator.php
* Copyright (c) 2019 james@firefly-iii.org
*
* This file is part of Firefly III (https://github.com/firefly-iii).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\Validation;
use Config;
use DB;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Models\AccountMeta;
use FireflyIII\Models\AccountType;
use FireflyIII\Models\TransactionType;
use FireflyIII\Models\Webhook;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Bill\BillRepositoryInterface;
use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
use FireflyIII\Services\Password\Verifier;
use FireflyIII\Support\Facades\Preferences;
use FireflyIII\Support\ParseDateString;
use FireflyIII\TransactionRules\Triggers\TriggerInterface;
use FireflyIII\User;
use Google2FA;
use Illuminate\Support\Collection;
use Illuminate\Validation\Validator;
use Illuminate\Support\Facades\Log;
use PragmaRX\Google2FA\Exceptions\IncompatibleWithGoogleAuthenticatorException;
use PragmaRX\Google2FA\Exceptions\InvalidCharactersException;
use PragmaRX\Google2FA\Exceptions\SecretKeyTooShortException;
use ValueError;
use function is_string;
/**
* Class FireflyValidator.
*/
class FireflyValidator extends Validator
{
/**
* @param mixed $attribute
* @param mixed $value
*
* @return bool
* @throws IncompatibleWithGoogleAuthenticatorException
* @throws InvalidCharactersException
* @throws SecretKeyTooShortException
*/
public function validate2faCode($attribute, $value): bool
{
if (null === $value || !is_string($value) || 6 !== strlen($value)) {
return false;
}
$user = auth()->user();
if (null === $user) {
Log::error('No user during validate2faCode');
return false;
}
$secretPreference = Preferences::get('temp-mfa-secret');
$secret = $secretPreference?->data ?? '';
return Google2FA::verifyKey($secret, $value);
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateBelongsToUser($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;
}
/**
* @param mixed $attribute
* @param mixed $value
*
* @return bool
*/
public function validateBic($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;
}
/**
* @param mixed $attribute
* @param mixed $value
*
* @return bool
*/
public function validateIban(mixed $attribute, mixed $value): bool
{
if (!is_string($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);
// replace characters outside of ASCI range.
$value = iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $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;
$iban = trim(str_replace($search, $replace, $iban));
if (0 === strlen($iban)) {
return false;
}
try {
$checksum = bcmod($iban, '97');
} catch (ValueError $e) {
$message = sprintf('Could not validate IBAN check value "%s" (IBAN "%s")', $iban, $value);
Log::error($message);
Log::error($e->getTraceAsString());
return false;
}
return 1 === (int)$checksum;
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateLess($attribute, $value, $parameters): bool
{
/** @var mixed $compare */
$compare = $parameters[0] ?? '0';
return bccomp((string)$value, (string)$compare) < 0;
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateMore($attribute, $value, $parameters): bool
{
/** @var mixed $compare */
$compare = $parameters[0] ?? '0';
return bccomp((string)$value, (string)$compare) > 0;
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateMustExist($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|null $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 = $this->data['actions'][$index]['type'] ?? '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);
return null !== $repository->findByName($value);
}
// 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;
}
if ('update_piggy' === $actionType) {
/** @var PiggyBankRepositoryInterface $repository */
$repository = app(PiggyBankRepositoryInterface::class);
$piggy = $repository->findByName($value);
return null !== $piggy;
}
// return true for the rest.
return true;
}
/**
* $attribute has the format triggers.%d.value.
*
* @param string $attribute
* @param string|null $value
*
* @return bool
*/
public function validateRuleTriggerValue(string $attribute, string $value = null): 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 = $this->data['triggers'][$index]['type'] ?? '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:
$length = [
'source_account_starts',
'source_account_ends',
'source_account_is',
'source_account_contains',
'destination_account_starts',
'destination_account_ends',
'destination_account_is',
'destination_account_contains',
'description_starts',
'description_ends',
'description_contains',
'description_is',
'category_is',
'budget_is',
'tag_is',
'currency_is',
'notes_contain',
'notes_start',
'notes_end',
'notes_are',
];
if (in_array($triggerType, $length, true)) {
return '' !== $value;
}
// check if it's an existing account.
if (in_array($triggerType, ['destination_account_id', 'source_account_id'], true)) {
return is_numeric($value) && (int)$value > 0;
}
// check transaction type.
if ('transaction_type' === $triggerType) {
$count = TransactionType::where('type', ucfirst($value))->count();
return 1 === $count;
}
// if the type is date, the simply try to parse it and throw error when it's bad.
if (in_array($triggerType, ['date_is', 'created_on', 'updated_on', 'date_before', 'date_after'], true)) {
/** @var ParseDateString $parser */
$parser = app(ParseDateString::class);
try {
$parser->parseDate($value);
} catch (FireflyException $e) {
Log::error($e->getMessage());
return false;
}
}
return true;
}
/**
* @param mixed $attribute
* @param mixed $value
*
* @return bool
*/
public function validateSecurePassword($attribute, $value): bool
{
$verify = false;
if (array_key_exists('verify_password', $this->data)) {
$verify = 1 === (int)$this->data['verify_password'];
}
if ($verify) {
/** @var Verifier $service */
$service = app(Verifier::class);
return $service->validPassword($value);
}
return true;
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateUniqueAccountForUser($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 (array_key_exists('objectType', $this->data)) {
return $this->validateByAccountTypeString($value, $parameters, $this->data['objectType']);
}
if (array_key_exists('type', $this->data)) {
return $this->validateByAccountTypeString($value, $parameters, (string)$this->data['type']);
}
if (array_key_exists('account_type_id', $this->data)) {
return $this->validateByAccountTypeId($value, $parameters);
}
$parameterId = $parameters[0] ?? null;
if (null !== $parameterId) {
return $this->validateByParameterId((int)$parameterId, $value);
}
if (array_key_exists('id', $this->data)) {
return $this->validateByAccountId($value);
}
// without type, just try to validate the name.
return $this->validateByAccountName($value);
}
/**
* @return bool
*/
private function validateAccountAnonymously(): bool
{
if (!array_key_exists('user_id', $this->data)) {
return false;
}
$user = User::find($this->data['user_id']);
$type = AccountType::find($this->data['account_type_id'])->first();
$value = $this->data['name'];
$set = $user->accounts()->where('account_type_id', $type->id)->get();
$result = $set->first(
function (Account $account) use ($value) {
return $account->name === $value;
}
);
return null === $result;
}
/**
* @param string $value
* @param array $parameters
* @param string $type
*
* @return bool
*/
private function validateByAccountTypeString(string $value, array $parameters, string $type): bool
{
/** @var array|null $search */
$search = Config::get('firefly.accountTypeByIdentifier.'.$type);
if (null === $search) {
return false;
}
$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();
$result = $set->first(
function (Account $account) use ($value) {
return $account->name === $value;
}
);
return null === $result;
}
/**
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
private function validateByAccountTypeId($value, $parameters): bool
{
$type = AccountType::find($this->data['account_type_id'])->first();
$ignore = (int)($parameters[0] ?? 0.0);
/** @var Collection $set */
$set = auth()->user()->accounts()->where('account_type_id', $type->id)->where('id', '!=', $ignore)->get();
$result = $set->first(
function (Account $account) use ($value) {
return $account->name === $value;
}
);
return null === $result;
}
/**
* @param int $accountId
* @param mixed $value
*
* @return bool
*/
private function validateByParameterId(int $accountId, $value): bool
{
/** @var Account $existingAccount */
$existingAccount = Account::find($accountId);
$type = $existingAccount->accountType;
$ignore = $existingAccount->id;
$entry = auth()->user()->accounts()->where('account_type_id', $type->id)->where('id', '!=', $ignore)
->where('name', $value)
->first();
return null === $entry;
}
/**
* @param mixed $value
*
* @return bool
*/
private function validateByAccountId($value): bool
{
/** @var Account $existingAccount */
$existingAccount = Account::find($this->data['id']);
$type = $existingAccount->accountType;
$ignore = $existingAccount->id;
$entry = auth()->user()->accounts()->where('account_type_id', $type->id)->where('id', '!=', $ignore)
->where('name', $value)
->first();
return null === $entry;
}
/**
* @param string $value
*
* @return bool
*/
private function validateByAccountName(string $value): bool
{
return auth()->user()->accounts()->where('name', $value)->count() === 0;
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateUniqueAccountNumberForUser($attribute, $value, $parameters): bool
{
$accountId = (int)($this->data['id'] ?? 0.0);
if (0 === $accountId) {
$accountId = (int)($parameters[0] ?? 0.0);
}
$query = AccountMeta::leftJoin('accounts', 'accounts.id', '=', 'account_meta.account_id')
->whereNull('accounts.deleted_at')
->where('accounts.user_id', auth()->user()->id)
->where('account_meta.name', 'account_number')
->where('account_meta.data', json_encode($value));
if ($accountId > 0) {
// exclude current account from check.
$query->where('account_meta.account_id', '!=', $accountId);
}
$set = $query->get(['account_meta.*']);
$count = $set->count();
if (0 === $count) {
return true;
}
if ($count > 1) {
// pretty much impossible but still.
return false;
}
$type = $this->data['objectType'] ?? 'unknown';
if ('expense' !== $type && 'revenue' !== $type) {
app('log')->warning(sprintf('Account number "%s" is not unique and account type "%s" cannot share its account number.', $value, $type));
return false;
}
Log::debug(sprintf('Account number "%s" is not unique but account type "%s" may share its account number.', $value, $type));
// one other account with this account number.
/** @var AccountMeta $entry */
foreach ($set as $entry) {
$otherAccount = $entry->account;
$otherType = (string)config(sprintf('firefly.shortNamesByFullName.%s', $otherAccount->accountType->type));
if (('expense' === $otherType || 'revenue' === $otherType) && $otherType !== $type) {
Log::debug(sprintf('The other account with this account number is a "%s" so return true.', $otherType));
return true;
}
Log::debug(sprintf('The other account with this account number is a "%s" so return false.', $otherType));
}
return false;
}
/**
* @param $attribute
* @param $value
* @return bool
*/
public function validateUniqueCurrencyCode($attribute, $value): bool
{
return $this->validateUniqueCurrency('code', (string)$attribute, (string)$value);
}
/**
* @param string $field
* @param string $attribute
* @param string $value
* @return bool
*/
public function validateUniqueCurrency(string $field, string $attribute, string $value): bool
{
return 0 === DB::table('transaction_currencies')->where($field, $value)->whereNull('deleted_at')->count();
}
/**
* @param $attribute
* @param $value
* @return bool
*/
public function validateUniqueCurrencyName($attribute, $value): bool
{
return $this->validateUniqueCurrency('name', (string)$attribute, (string)$value);
}
/**
* @param $attribute
* @param $value
* @return bool
*/
public function validateUniqueCurrencySymbol($attribute, $value): bool
{
return $this->validateUniqueCurrency('symbol', (string)$attribute, (string)$value);
}
/**
* @param mixed $value
* @param mixed $parameters
* @param mixed $something
*
* @return bool
*/
public function validateUniqueExistingWebhook($value, $parameters, $something): bool
{
$existingId = (int)($something[0] ?? 0);
$trigger = 0;
$response = 0;
$delivery = 0;
$triggers = Webhook::getTriggersForValidation();
$responses = Webhook::getResponsesForValidation();
$deliveries = Webhook::getDeliveriesForValidation();
if (auth()->check()) {
// get existing webhook value:
if (0 !== $existingId) {
/** @var Webhook|null $webhook */
$webhook = auth()->user()->webhooks()->find($existingId);
if (null === $webhook) {
return false;
}
// set triggers etc.
$trigger = $triggers[$webhook->trigger] ?? 0;
$response = $responses[$webhook->response] ?? 0;
$delivery = $deliveries[$webhook->delivery] ?? 0;
}
if (0 === $existingId) {
$trigger = $triggers[$this->data['trigger']] ?? 0;
$response = $responses[$this->data['response']] ?? 0;
$delivery = $deliveries[$this->data['delivery']] ?? 0;
}
$url = $this->data['url'];
$userId = auth()->user()->id;
return 0 === Webhook::whereUserId($userId)
->where('trigger', $trigger)
->where('response', $response)
->where('delivery', $delivery)
->where('id', '!=', $existingId)
->where('url', $url)->count();
}
return false;
}
/**
*
* Validate an object and its uniqueness. Checks for encryption / encrypted values as well.
*
* parameter 0: the table
* parameter 1: the field
* parameter 2: an id to ignore (when editing)
*
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateUniqueObjectForUser($attribute, $value, $parameters): bool
{
[$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 (!array_key_exists(2, $parameters) && array_key_exists('id', $data) && (int)$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 = $entry->$field;
if ($fieldValue === $value) {
return false;
}
}
return true;
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateUniqueObjectGroup($attribute, $value, $parameters): bool
{
$exclude = $parameters[0] ?? null;
$query = DB::table('object_groups')
->whereNull('object_groups.deleted_at')
->where('object_groups.user_id', auth()->user()->id)
->where('object_groups.title', $value);
if (null !== $exclude) {
$query->where('object_groups.id', '!=', (int)$exclude);
}
return 0 === $query->count();
}
/**
* @param mixed $attribute
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateUniquePiggyBankForUser($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);
}
$query->where('piggy_banks.name', $value);
return null === $query->first(['piggy_banks.*']);
}
/**
* @param mixed $value
* @param mixed $parameters
*
* @return bool
*/
public function validateUniqueWebhook($value, $parameters): bool
{
if (auth()->check()) {
$triggers = Webhook::getTriggersForValidation();
$responses = Webhook::getResponsesForValidation();
$deliveries = Webhook::getDeliveriesForValidation();
// integers
$trigger = $triggers[$this->data['trigger']] ?? 0;
$response = $responses[$this->data['response']] ?? 0;
$delivery = $deliveries[$this->data['delivery']] ?? 0;
$url = $this->data['url'];
$userId = auth()->user()->id;
return 0 === Webhook::whereUserId($userId)
->where('trigger', $trigger)
->where('response', $response)
->where('delivery', $delivery)
->where('url', $url)->count();
}
return false;
}
}